| FIDE | Country | B-Year | Gender | Standard | Rapid | Blitz |
|---|---|---|---|---|---|---|
112143
|
ARG | 1959 | M | 1994 | 1981 | 1890 |
213
games
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| 2205702 | Koch, Ju (2031) | CM Mingo Fernandez, M (2173) | 0-1 | |
| 1.Nf3 d5 2.e3 Nf6 3.c4 c6 4.Nc3 Bf5 5.Qb3 Qb6 6.d4 e6 7.c5 Qc7 8.Be2 Nbd7 9.O-O Be7 10.h3 O-O 11.Na4 Rab8 12.Bd3 Bxd3 13.Qxd3 e5 14.Nxe5 Nxe5 15.dxe5 Qxe5 16.Rb1 Ne4 17.b4 Qh5 18.Nc3 f5 19.Ne2 g5 20.f3 Nf6 21.Ng3 Qg6 22.Qxf5 Rbe8 23.Qxg6+ hxg6 24.Bb2 Nd7 25.Bd4 Bd8 26.a4 Bc7 27.Ne2 Ne5 28.Bxe5 Rxe5 29.Rb3 Rfe8 30.Kf2 R8e7 31.Nd4 a5 32.b5 cxb5 33.axb5 a4 34.Ra3 Ba5 35.c6 Bd2 36.Nc2 Rc7 37.Rd1 Ba5 38.Nd4 Bb6 39.Rxa4 Kg7 40.cxb7 Rxb7 41.Ra6 Bxd4 42.exd4 Rf5 43.Rb1 Rf4 44.b6 Rxd4 45.Ra7 Rxa7 46.bxa7 Ra4 47.Rb7+ Kf6 48.Ke3 Ke5 49.g3 Ra3+ 50.Ke2 Kd4 51.Rg7 Ra2+ 52.Ke1 Ke3 53.Re7+ Kxf3 54.h4 g4 55.Rd7 Kxg3 56.Rxd5 Rxa7 57.h5 gxh5 58.Rxh5 Ra1+ 59.Ke2 Kg2 60.Rb5 Ra2+ 61.Ke1 g3 62.Rh5 Ra4 63.Ke2 Re4+ 64.Kd1 Kf2 65.Rf5+ Kg1 66.Rh5 g2 67.Rh6 Kf2 68.Rf6+ Kg3 0-1 | ||||
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| 2205964 | FM Andrade, I (2136) | Koch, Ju (2031) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 d5 9.Nxd5 Bxa3 10.bxa3 Qa5+ 11.Bd2 Qd8 12.Nxf6+ Qxf6 13.Bd3 O-O 14.O-O Be6 15.f4 exf4 16.Bxf4 Qd4+ 17.Kh1 Ne5 18.Be2 Qxd1 19.Rfxd1 Ng6 20.Bd6 Rfd8 21.a4 Rd7 22.a5 Rc8 23.c4 f6 24.c5 Ne5 25.Rab1 Nc4 26.Bg3 Rxd1+ 27.Rxd1 Nxa5 28.Rc1 Nc6 29.Kg1 Bxa2 30.Bd6 Nd4 31.Bg4 Be6 32.Bd1 Nb5 33.Bf4 g5 34.Be3 Rc6 35.Kf2 Kg7 36.h4 h6 37.hxg5 hxg5 38.Bh5 Bf7 39.Be2 Bg6 40.Bf3 Re6 41.e5 Rxe5 42.Bxb7 Nc7 43.c6 Be4 44.Rd1 Kg6 45.Bb6 Nd5 46.Bd4 Rf5+ 47.Kg1 Nc7 48.Bc8 Rd5 49.Bg4 Nb5 50.Bb6 Rxd1+ 51.Bxd1 Bxc6 52.Be2 Nd4 53.Bd3+ f5 54.Bxd4 a5 55.Bc5 a4 56.Kf2 g4 57.Ba3 Kg5 58.Ke3 f4+ 59.Kf2 1-0 | ||||
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| 2205455 | WIM Sihite, Chelsie Monica Ignesias (2223) | Koch, Ju (2031) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 h6 5.O-O d6 6.h3 g5 7.Nh2 Bg7 8.Nc3 O-O 9.a4 Ne7 10.a5 c6 11.Ng4 Nxg4 12.hxg4 d5 13.Bb3 Be6 14.Re1 b5 15.exd5 Nxd5 16.Ne4 Qe7 17.c3 Rad8 18.Bxd5 cxd5 19.Ng3 Qd7 20.f3 f5 21.gxf5 Bxf5 22.Nh5 Bh8 23.a6 Bg6 24.Ng3 e4 25.dxe4 dxe4 26.Qxd7 Rxd7 27.Nxe4 Bxe4 28.fxe4 Re8 29.Ra5 Re5 30.Be3 Rxe4 31.Rxb5 Rde7 32.Rb8+ Kf7 33.Rb7 Re6 34.Rf1+ Ke8 35.Rb8+ Kd7 36.Bc5 Re8 37.Rd1+ Kc6 38.Rxe8 Rxe8 39.Bxa7 Ra8 40.Bd4 Rxa6 41.Bxh8 1-0 | ||||
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| 2206484 | CM Yaniv, Ori (2205) | Koch, Ju (2031) | 1-0 | |
| 1.d4 e6 2.e4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7 6.a3 c4 7.Nbd2 Na5 8.Qc2 Qb6 9.Be2 Be7 10.O-O Nh6 11.Rb1 Nf5 12.b3 cxb3 13.Nxb3 Ba4 14.Nfd2 Rc8 15.Qb2 Nxb3 16.Nxb3 O-O 17.g4 Nh4 18.Be3 Bxb3 19.Qxb3 Qxb3 20.Rxb3 b6 21.Rc1 Rc7 22.c4 dxc4 23.Rxc4 Rxc4 24.Bxc4 Rc8 25.Bd3 f6 26.f4 fxe5 27.dxe5 Bc5 28.Kf2 Bxe3+ 29.Kxe3 Ng6 30.Bxg6 hxg6 31.Rd3 Rc7 32.Ke4 Kf7 33.h4 a6 34.h5 gxh5 35.gxh5 Rc4+ 36.Kf3 Rc7 37.Kg4 b5 38.Rd6 a5 39.Rb6 Rc5 40.Rb7+ Kf8 41.Kg5 b4 42.axb4 axb4 43.Rxb4 Rc1 44.Rb8+ Kf7 45.Rb7+ Kf8 46.Kg6 Rg1+ 47.Kh7 Rg4 48.f5 exf5 49.e6 Re4 50.Rf7+ Ke8 51.Rxf5 Rxe6 52.Kxg7 Re7+ 53.Kg6 Re6+ 54.Kg7 Re7+ 55.Kg8 Re6 56.Rg5 Ke7 57.Rg7+ Ke8 58.Rg6 Re7 59.h6 Rf7 60.Re6+ 1-0 | ||||
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| 2205247 | CM Petersen, Marcel (2278) | Koch, Ju (2031) | 1-0 | |
| 1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Be2 Nf6 7.O-O Bd6 8.dxc5 Bxc5 9.Nb3 Bd6 10.h3 O-O 11.Bd3 h6 12.Nbd4 a6 13.c3 Re8 14.Re1 Ne4 15.Be3 Nxd4 16.Nxd4 Bd7 17.Qf3 Qh4 18.Rad1 Rad8 19.Nf5 Bxf5 20.Qxf5 Qf6 21.Bxe4 dxe4 22.Qxf6 gxf6 23.Bxh6 f5 24.g3 Re6 25.Bf4 Be7 26.Rxd8+ Bxd8 27.Rd1 Bf6 28.Rd6 Kg7 29.Rxe6 fxe6 30.Kf1 e5 31.Be3 Be7 32.Ke2 Kg6 33.c4 Bd6 34.a3 f4 35.Bb6 Kf5 36.c5 Bb8 37.b4 e3 38.gxf4 Kxf4 39.fxe3+ Kg3 40.Kd3 Kxh3 41.Ke4 Kg3 42.Bd8 Kf2 43.Bf6 1-0 | ||||
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| 2206282 | Koch, Ju (2031) | Clawitter, C (2050) | 1-0 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.d4 Be7 5.Bg2 O-O 6.O-O dxc4 7.Qa4 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bg5 Nc6 11.Rd1 Nb4 12.Qc1 Qc8 13.Bxf6 Bxf6 14.Nbd2 Rd8 15.a3 Nd5 16.Nb3 Nb6 17.Nc5 Bd5 18.e4 Bc4 19.e5 Be7 20.Qc2 Nd7 21.Nxd7 Rxd7 22.Rac1 c5 23.b3 Bd5 24.dxc5 a5 25.b4 axb4 26.axb4 Ra2 27.Qb1 Qc6 28.Rxd5 Qxd5 29.Ng5 Qd3 30.Qxa2 Bxg5 31.Rb1 Bd2 32.Qa8+ Rd8 33.Qe4 g6 34.Qxd3 Rxd3 35.c6 Rc3 36.Rd1 Bg5 37.h4 Be7 38.Rd7 Bxb4 39.c7 1-0 | ||||
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| 2207072 | Gu, Hardy (1981) | Koch, Ju (2031) | 0-1 | |
| 1.d4 e6 2.Nf3 c5 3.c3 d5 4.Bf4 Nf6 5.e3 Bd6 6.Nbd2 O-O 7.Bg3 Qc7 8.Ne5 Nbd7 9.f4 b6 10.Bd3 a5 11.Qe2 c4 12.Bc2 b5 13.Bh4 Bb7 14.Qf3 b4 15.g4 bxc3 16.bxc3 g6 17.Bg5 Ne4 18.Nxe4 dxe4 19.Bxe4 Bxe4 20.Qxe4 f6 21.Nxd7 Qxd7 22.Bh6 Rfb8 23.O-O Ra7 24.f5 exf5 25.gxf5 g5 26.Qe6+ Qxe6 27.fxe6 Be7 28.d5 Rd8 29.e4 Rb7 30.e5 fxe5 31.Kg2 Rb2+ 32.Kg3 Rxd5 33.Rf7 Rd3+ 0-1 | ||||
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| 2206566 | Koch, Ju (2031) | CM Kim, Thomas Jakob (2212) | 0-1 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.d4 Be7 5.Bg2 O-O 6.O-O Nbd7 7.Nbd2 a5 8.Qc2 c5 9.cxd5 Nxd5 10.a3 b6 11.e4 N5f6 12.e5 Nd5 13.dxc5 Nxc5 14.Ne4 Ba6 15.Rd1 Rc8 16.Nxc5 Bxc5 17.Qe4 Qc7 18.Ng5 g6 19.Qh4 h5 20.Bxd5 exd5 21.e6 fxe6 22.Bf4 Qe7 23.Qh3 e5 24.Be3 Bxe3 25.fxe3 Qxg5 0-1 | ||||
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| 2206108 | WFM Aadya, Gupta (1875) | Koch, Ju (2031) | 1/2-1/2 | |
| 1.d4 d5 2.Nf3 e6 3.g3 c5 4.Bg2 Nc6 5.O-O Nf6 6.b3 cxd4 7.Nxd4 Bc5 8.Bb2 O-O 9.c4 Nxd4 10.Bxd4 Bxd4 11.Qxd4 dxc4 12.Qxc4 a6 13.a4 Rb8 14.a5 b5 15.axb6 Qxb6 16.Nd2 a5 17.Rfc1 Ba6 18.Qa4 Bxe2 19.Rc6 Qb4 20.Qxa5 Rfd8 21.Qxb4 Rxb4 22.Rc3 h5 23.Nc4 Rdb8 24.Na5 Nd5 25.Rcc1 h4 26.Nc6 Rxb3 27.Nxb8 Rxb8 28.Re1 Bd3 29.Rad1 Bc4 30.Rd4 Ba2 31.Rxh4 g6 32.Ra4 Bb3 33.Ra3 Bc4 34.h4 Kg7 35.Ra7 Nf6 36.Rc1 Bd5 37.f3 e5 38.g4 Rb3 39.g5 Nh5 40.Rd1 Bxf3 41.Rf1 e4 42.Bxf3 exf3 43.Kf2 Nf4 44.Kg3 Ne2+ 45.Kf2 Nf4 46.Re7 Nd3+ 47.Kxf3 Nc5+ 48.Re3 Rb2 49.Rf2 Rb1 50.Kg2 Ne6 51.Ref3 Rb7 52.Rf6 Rd7 53.Kg3 Rd3+ 54.R2f3 Rd7 55.Re3 Ra7 56.Rexe6 fxe6 57.Rxe6 Ra3+ 58.Kg4 Ra4+ 59.Kg3 Ra3+ 60.Kf2 Ra2+ 61.Kg3 Ra3+ 1/2-1/2 | ||||
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| 2206907 | Koch, Ju (2031) | Montano Vicente, Guadalupe (2035) | 1/2-1/2 | |
| 1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.O-O Nf6 5.Bd3 g6 6.c3 Bg7 7.Re1 O-O 8.a4 b6 9.Bc2 Bb7 10.d4 e6 11.Bg5 Qc7 12.Na3 a6 13.h3 Rac8 14.Rc1 Rfe8 15.e5 dxe5 16.dxe5 Nd5 17.Nc4 b5 18.axb5 axb5 19.Nd6 Nxe5 20.Nxe8 Rxe8 21.Bf4 Nxf3+ 22.Qxf3 Qxf4 23.Be4 Qxf3 24.Bxf3 Rb8 25.h4 Nf6 26.Bxb7 Rxb7 27.Ra1 h6 28.Ra8+ Kh7 29.Rd1 Nd5 30.g3 c4 31.Rda1 b4 32.R1a7 Rxa7 33.Rxa7 bxc3 34.bxc3 Nxc3 35.Rc7 Nd5 36.Rxc4 Be5 37.Ra4 Kg7 38.Kg2 Bf6 39.Ra7 Ne7 40.Kf3 Nf5 41.Kg2 h5 42.Kf3 g5 43.hxg5 Bxg5 44.Ra5 Kg6 45.g4 hxg4+ 46.Kxg4 Bf6 47.Kf3 Bd4 48.Ke2 Kf6 49.f3 Be5 50.Rb5 Bf4 51.Ra5 Be5 52.Ra4 Bd6 53.Kd3 Be7 54.Ke4 Bd6 55.Kd3 Be7 56.Ke4 Bd6 57.Kd3 1/2-1/2 | ||||
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| 2206704 | CM Saketh, P (2101) | Koch, Ju (2031) | 0-1 | |
| 1.Nf3 c5 2.c4 Nf6 3.Nc3 e6 4.g3 d5 5.cxd5 exd5 6.d4 Nc6 7.Bg2 cxd4 8.Nxd4 Bc5 9.Be3 Qb6 10.Nc2 Bxe3 11.Nxe3 d4 12.Nc4 Qc5 13.Nb5 O-O 14.Nba3 b5 15.Nd2 b4 16.Nac4 Be6 17.Rc1 Ne5 18.Nxe5 Qxe5 19.Bxa8 Rxa8 20.O-O Bd5 21.b3 Ng4 22.h3 Ne3 23.fxe3 Qxg3# 0-1 | ||||
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| 2185453 | Koch, Ju (2031) | IM Acosta, Pablo Ismael (2478) | 0-1 | |
| 1.e4 c5 2.Ne2 e6 3.c4 Nf6 4.Nbc3 Nc6 5.g3 d5 6.exd5 exd5 7.cxd5 Ne5 8.Nf4 Bd6 9.Be2 O-O 10.O-O Bg4 11.f3 Bf5 12.d4 cxd4 13.Qxd4 Re8 14.Be3 a6 15.Rad1 b5 16.Kh1 Ned7 17.Qd2 b4 18.Ne4 Bxe4 19.fxe4 Nxe4 20.Qd3 Qe7 21.Ng2 Ndc5 22.Qc2 Rac8 23.Bc4 Qd7 24.Bf4 Qh3 25.Bxd6 Nxd6 26.Nf4 Qh6 27.b3 Nce4 28.Kg2 Nf6 29.h3 Re3 30.Rf3 Rxf3 31.Kxf3 g5 32.Nd3 Qxh3 33.Qg2 Qg4+ 0-1 | ||||
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| 2128427 | Koch, Ju (2031) | FM Yoganathan, Sakithyan (2295) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 c6 4.e4 d6 5.d4 Bg7 6.Be2 Nfd7 7.O-O O-O 8.Be3 e5 9.d5 c5 10.Qd2 Qe7 11.Bh6 a6 12.a4 f5 13.exf5 gxf5 14.Bxg7 Qxg7 15.Qg5 Nf6 16.Qxg7+ Kxg7 17.Ng5 h6 18.Ne6+ Bxe6 19.dxe6 Re8 20.Nd5 Nc6 21.Nc7 Nd4 22.Bd1 a5 23.Nxa8 Rxa8 24.Ra3 Re8 25.Rg3+ Kh7 26.Re1 Ne4 27.Ra3 Nd2 28.b3 Kg6 29.Ra2 Ne4 30.Bc2 Ng5 31.g4 Ngf3+ 32.Kf1 Nxe1 33.Bxf5+ Nxf5 34.gxf5+ Kxf5 35.Kxe1 Rxe6 36.Rd2 Rg6 37.Rd3 Ke4 38.Re3+ Kd4 39.Ke2 e4 40.Rh3 Rf6 41.Rh5 Kc3 42.Rh3+ Kb4 43.Ke3 Kxb3 44.Kxe4+ Kxc4 45.f4 Re6+ 46.Kf5 Re1 47.Rxh6 d5 48.Kg6 d4 49.f5 Rg1+ 50.Kf7 d3 51.Rd6 Kc3 52.f6 c4 53.Ke7 Re1+ 54.Kf8 d2 55.f7 d1=Q 56.Rxd1 Rxd1 57.Ke8 Re1+ 58.Kd7 Rf1 59.Ke7 Kd2 60.f8=Q Rxf8 61.Kxf8 c3 0-1 | ||||
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| 2128192 | FM Craciun, Sasha-Matei (2212) | Koch, Ju (2031) | 1-0 | |
| 1.e4 c5 2.Nf3 g6 3.c3 Nf6 4.Bd3 d6 5.Bc2 Bg7 6.O-O O-O 7.Re1 Nc6 8.a3 Bg4 9.h3 Bxf3 10.Qxf3 e6 11.d3 Ne5 12.Qe2 Qb6 13.Nd2 d5 14.Kh1 dxe4 15.dxe4 Rfd8 16.f4 Nc6 17.Nc4 Qc7 18.e5 Ne8 19.Be3 b5 20.Nd2 c4 21.Ne4 a5 22.Qf2 Rab8 23.Rad1 Rxd1 24.Rxd1 b4 25.axb4 axb4 26.Nc5 Ra8 27.Rd7 Qa5 28.Be4 Qa1+ 29.Kh2 bxc3 30.bxc3 Ra2 31.Qf3 Nd8 32.Rxd8 Qxc3 33.Rxe8+ Bf8 34.Nd7 1-0 | ||||
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| 2128470 | Vazelakis, D (1876) | Koch, Ju (2031) | 0-1 | |
| 1.d4 Nf6 2.Nc3 d5 3.Bf4 e6 4.Nb5 Bd6 5.Nxd6+ cxd6 6.Nf3 Nc6 7.e3 O-O 8.Be2 Qe7 9.O-O e5 10.Bg5 h6 11.dxe5 dxe5 12.Bxf6 Qxf6 13.Qxd5 Rd8 14.Qb5 a6 15.Qb3 b5 16.Rad1 Be6 17.Qc3 Rdc8 18.Qd2 Rd8 19.Qc1 e4 20.Nd4 Nxd4 21.exd4 Rxd4 22.Rxd4 Qxd4 23.c3 Qf6 24.Qe3 Rd8 25.Qb6 Bxa2 26.Qxf6 gxf6 27.h3 Rd2 28.Bg4 Rxb2 29.Re1 Rb1 30.Kf1 a5 31.Rxb1 Bxb1 32.Bd7 b4 33.cxb4 axb4 34.Ba4 Kf8 35.Ke1 Ke7 36.Kd2 Kd6 37.Kc1 Bd3 38.Kb2 Kc5 39.Kb3 f5 40.Be8 f6 41.Bg6 f4 42.g3 Bc4+ 43.Kb2 e3 44.fxe3 fxe3 0-1 | ||||
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| 2128233 | Koch, Ju (2031) | Chiang, Jacob (2032) | 1/2-1/2 | |
| 1.Nf3 c5 2.c4 d6 3.g3 Nc6 4.Bg2 Nf6 5.O-O g6 6.b3 Bg7 7.Bb2 O-O 8.d3 Bd7 9.Nc3 Qc7 10.e3 a6 11.Qe2 e5 12.Rac1 Rfe8 13.Rfd1 Rad8 14.Nd5 Nxd5 15.cxd5 Nb4 16.e4 Nxa2 17.Ra1 Nb4 18.Bc3 a5 19.Rdc1 b6 20.Bxb4 axb4 21.Ra6 Ra8 22.Rca1 Rxa6 23.Rxa6 Bb5 24.Ra2 Qb7 25.Bf1 Ra8 26.Qb2 Ra5 27.Nd2 Qa6 28.Rxa5 bxa5 29.Nc4 a4 30.bxa4 Bxc4 31.dxc4 Qxa4 32.Bd3 Bh6 33.Bc2 Qa6 34.Bb3 Kg7 35.Qa2 Qxa2 36.Bxa2 f5 37.f3 fxe4 38.fxe4 Kf6 39.Kg2 Kg5 40.Kf3 Bg7 41.h3 h5 42.h4+ Kf6 43.Bb3 g5 44.hxg5+ Kxg5 45.Ba4 h4 46.gxh4+ Kxh4 47.Bb3 Bh6 48.Bc2 Kh3 49.Bb3 Kh2 50.Bc2 Kg1 51.Ke2 Kg2 52.Bb3 Kg3 53.Bc2 Kf4 54.Kd3 Kf3 55.Bb3 Kf2 56.Bc2 Ke1 57.Bb3 Bf8 58.Bc2 Bh6 59.Bb3 Bc1 60.Bc2 Bb2 61.Bb3 Bd4 62.Bc2 Kf2 63.Bb3 Kf3 64.Bc2 Kf4 65.Bb3 Kg5 66.Bc2 Kf6 67.Bb3 Ke7 68.Bc2 Kd8 69.Bb3 Kc7 70.Bc2 Kb6 71.Bb3 Ka5 72.Bc2 Bg1 73.Bb3 Bh2 74.Bc2 Bf4 75.Bb3 Bh6 76.Bc2 Bf8 77.Bb3 Be7 78.Bc2 b3 79.Bxb3 Kb4 80.Bc2 Ka3 81.Bd1 Kb2 82.Bc2 Kc1 83.Ba4 Bd8 84.Bb3 Bc7 85.Ba4 Bb6 86.Bb3 Ba5 87.Ba4 Bb4 88.Bc6 Kb2 89.Bb5 Ka3 90.Bc6 Ba5 91.Bb5 Kb4 92.Bc6 Bb6 93.Bb5 Ka5 94.Bc6 Ba7 95.Bb5 Kb6 96.Bc6 Kc7 97.Bb5 Kd8 98.Bc6 Ke7 99.Bb5 Kf6 100.Bc6 Kg5 101.Bb5 Kg4 102.Bc6 Kg3 103.Bb5 Kf3 104.Bc6 Kf2 105.Bb5 Ke1 106.Bc6 Kd1 107.Bb5 Kc1 108.Bc6 Kb2 109.Bb5 Ka3 110.Bc6 Ka2 111.Bb5 Ka1 112.Bc6 Kb2 113.Bb5 Ka3 114.Bc6 Kb4 115.Bb5 Ka5 116.Bc6 Kb6 117.Bb5 Kc7 118.Bc6 Bb6 119.Bb5 Ba5 120.Bc6 Bb4 121.Bb5 Bc3 122.Bc6 Bd4 123.Bb5 Be3 124.Bc6 Bf2 125.Bb5 Bg3 126.Bc6 Bf4 127.Bb5 Bg5 128.Bc6 Bf6 129.Bb5 1/2-1/2 | ||||
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| 2128518 | Koch, Ju (2031) | Arnold, Ken | 1/2-1/2 | |
| 1.Nf3 d5 2.c4 dxc4 3.e3 Nd7 4.Bxc4 e6 5.d4 Ngf6 6.O-O c5 7.Nc3 a6 8.dxc5 Bxc5 9.b3 O-O 10.Bb2 b5 11.Bd3 Bb7 12.Qe2 Qb6 13.Rfd1 Rfd8 14.Rac1 Nf8 15.h3 Ng6 16.Bb1 Rac8 17.Rxd8+ Rxd8 18.Rd1 Rxd1+ 19.Qxd1 Kf8 20.a4 Ke8 21.axb5 axb5 22.Qe2 Bc6 23.Bd3 b4 24.Na4 Bxa4 25.bxa4 b3 26.Bb5+ Ke7 27.Qd3 Nd5 28.Qxb3 f6 29.Nd4 Ne5 30.Qd1 Nc7 31.Qh5 Nxb5 32.Nxb5 Nd3 33.Bd4 h6 34.Bxc5+ Nxc5 35.Qg6 Kf8 36.Qc2 Ke7 37.Qc4 Kd7 38.Qd4+ Ke7 39.g4 Qc6 40.h4 e5 41.Qb4 Kd7 42.Qd2+ Ke7 43.Qb4 Kf7 44.Na7 Qd5 45.a5 Qd1+ 46.Kh2 Nd3 47.Qb7+ Kg8 48.Qc8+ Kh7 49.Qf5+ g6 50.Qd7+ Kg8 51.Qe8+ Kg7 52.Qe7+ Kg8 53.Qe8+ Kh7 54.Qe7+ Kh8 55.Qf8+ Kh7 56.Qf7+ Kh8 57.Qf8+ Kh7 58.Qf7+ Kh8 59.Qf8+ 1/2-1/2 | ||||
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| 2128019 | IM Kushko, Dmitriy (2449) | Koch, Ju (2031) | 1-0 | |
| 1.Nf3 c5 2.c4 g6 3.e4 Bg7 4.d4 cxd4 5.Nxd4 Nc6 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 Nxd4 9.Qd1 e5 10.Bd3 O-O 11.O-O d6 12.Ne2 Nxe2+ 13.Bxe2 Be6 14.Qd2 Qe7 15.Rad1 Rfd8 16.Qb4 b6 17.Rd2 Rd7 18.Rfd1 Rad8 19.a4 f5 20.f3 f4 21.Bf2 g5 22.a5 bxa5 23.Qxa5 h5 24.c5 Bb3 25.cxd6 Qe6 26.Rc1 Rxd6 27.Qxd8+ Rxd8 28.Rxd8+ Kh7 29.Rc7 g4 30.Rdd7 Qf6 31.Rxg7+ Qxg7 32.Rxg7+ Kxg7 33.fxg4 1-0 | ||||
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| 2128282 | Koch, Ju (2031) | CM Smieszek, W (2117) | 0-1 | |
| 1.Nf3 Nf6 2.c4 c5 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 g6 6.e3 Bg7 7.Be2 O-O 8.O-O d5 9.cxd5 Nxd5 10.Nxd5 Qxd5 11.Nxc6 Qxc6 12.Bf3 Qb6 13.Qb3 Qxb3 14.axb3 a6 15.Bd2 Bxb2 16.Rab1 Bg7 17.Bb4 Re8 18.Rfd1 Bf5 19.Rbc1 Rab8 20.g4 Be6 21.Rd3 Be5 22.Rcd1 b6 23.h3 a5 24.Ba3 b5 25.Bc5 a4 26.bxa4 bxa4 27.Ba3 Bb3 28.Bc6 Bxd1 29.Bxe8 Bxg4 30.Bxf7+ Kxf7 31.hxg4 Rb3 32.Rd5 Ke6 0-1 | ||||
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| 2128317 | Ocampos, I (2205) | Koch, Ju (2031) | 1-0 | |
| 1.e4 c5 2.d4 cxd4 3.c3 Nf6 4.e5 Nd5 5.Nf3 Nc6 6.cxd4 e6 7.a3 d6 8.exd6 Bxd6 9.Bd3 O-O 10.O-O g6 11.Bh6 Re8 12.Nbd2 Nf6 13.Rc1 Bf8 14.Bg5 Be7 15.Re1 Nd5 16.Bh6 Bf8 17.Bxf8 Rxf8 18.Ne4 Nf6 19.Bb1 b6 20.Rxc6 1-0 | ||||
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| 2128069 | Koch, Ju (2031) | CM Kopczynski, M (2225) | 1/2-1/2 | |
| 1.Nf3 d6 2.d4 g6 3.c4 Bg7 4.Nc3 f5 5.e3 Nf6 6.Bd3 O-O 7.O-O Nc6 8.d5 Ne5 9.Nxe5 dxe5 10.Ne2 e4 11.Bc2 e6 12.dxe6 Bxe6 13.Nd4 Bxc4 14.Re1 c5 15.Bb3 Bxb3 16.Qxb3+ Kh8 17.Ne6 Qd5 18.Nxf8 Rxf8 19.Qxd5 Nxd5 20.Bd2 b6 21.Rab1 a5 22.a3 Kg8 23.Red1 Nc7 24.Bc3 Bxc3 25.bxc3 b5 26.Rd7 Rc8 27.Rbd1 Ne6 28.Re7 Nf8 29.Ra7 b4 30.axb4 axb4 31.cxb4 cxb4 32.Rb7 Rc4 33.Rb1 Ne6 34.R7xb4 Rxb4 35.Rxb4 Kg7 36.Rb7+ Kh6 37.f3 Nc5 38.Ra7 g5 39.fxe4 Nxe4 40.Kf1 Kg6 41.Ke2 h5 42.Ra6+ Kf7 43.Ra7+ Kf6 44.Ra6+ Kf7 45.Ra7+ Kf6 46.Ra6+ Kf7 1/2-1/2 | ||||
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| 2128117 | FM Stepanencu, Nicodim-Cosmin (2353) | Koch, Ju (2031) | 1-0 | |
| 1.b3 Nf6 2.Bb2 e6 3.f4 d5 4.Nf3 c5 5.e3 Nc6 6.Bb5 Bd7 7.O-O Bd6 8.d3 Qc7 9.Nbd2 a6 10.Bxc6 Bxc6 11.Ne5 O-O 12.Ndf3 h6 13.Qe1 Qd8 14.Nxc6 bxc6 15.Qg3 Ne8 16.Qg4 f5 17.Qg6 Qe7 18.Rae1 Qf7 19.Qg3 Qh5 20.Ne5 Bxe5 21.Bxe5 Qg4 22.Qxg4 fxg4 23.e4 Nf6 24.Bd6 Rfd8 25.Bxc5 dxe4 26.Be7 Rd7 27.Bxf6 gxf6 28.Rxe4 Kf7 29.f5 exf5 30.Rxf5 Rg8 31.Ra5 Rg5 32.Rxg5 hxg5 33.Rxg4 Kg6 34.Ra4 1-0 | ||||
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| 2096006 | Brignoccoli, Pablo (1952) | Koch, Ju (2007) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 b5 6.Bb3 Bc5 7.c3 d6 8.O-O O-O 9.Rd1 Bg4 10.d3 h6 11.h3 Be6 12.Bc2 Bb6 13.d4 exd4 14.Nxd4 Bd7 15.Be3 Ne7 16.Nd2 Ng6 17.a4 c5 18.N4f3 Re8 19.Qf1 Rb8 20.g4 Nh7 21.e5 Nxe5 22.Nxe5 dxe5 23.Ne4 Qe7 24.Qd3 Nf8 25.Nd6 Red8 26.Nf5 Bxf5 27.Qxf5 Qe6 28.Qe4 c4 29.Bxb6 Rxd1+ 30.Rxd1 Qxb6 31.axb5 Qxb5 32.Re1 Rd8 33.Qe2 Ne6 34.h4 Qd5 35.Rd1 Nf4 36.Qf1 Qa8 37.Rxd8+ Qxd8 38.Qxc4 g6 39.Bb3 Ne6 40.Qxa6 Nc5 41.Qxg6+ Kh8 42.Bxf7 Qf8 43.Qf6+ Qg7 44.Qxg7+ Kxg7 45.Bd5 1-0 | ||||
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| 2095944 | WFM Adam, Ernestina (2191) | Koch, Ju (2007) | 1-0 | |
| 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7 6.Be2 Bb5 7.dxc5 Bxc5 8.b4 Bf8 9.Na3 Bxe2 10.Qxe2 a6 11.O-O Nd7 12.c4 Ne7 13.Rb1 g6 14.Rd1 Rc8 15.Bg5 Nc6 16.cxd5 Nxb4 17.Nc4 Qb5 18.Rdc1 Rxc4 19.Qxc4 Qxc4 20.Rxc4 Nb6 21.Rcxb4 Bxb4 22.Rxb4 1-0 | ||||
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| 2090745 | Koch, Ju (2007) | FM Asprelli, Gaspar (2319) | 1/2-1/2 | |
| 1.Nf3 c5 2.c4 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 e6 6.e3 d5 7.cxd5 exd5 8.Be2 Be7 9.O-O O-O 10.b3 Re8 11.Bb2 Bd6 12.Ncb5 Bb8 13.Nf3 a6 14.Nbd4 Qd6 15.Rc1 Bg4 16.g3 Ne7 17.Rc2 Ng6 18.Qc1 h5 19.Ba3 Qd7 20.Ng5 h4 21.f4 Bxe2 22.Rxe2 Ba7 23.Bb2 Qg4 24.Rf3 Bxd4 25.Bxd4 hxg3 26.h3 Qh5 27.Qf1 Ne4 28.Nxe4 Rxe4 29.Rxg3 Nxf4 30.Rf2 Rxd4 31.exd4 Ne6 32.Rf5 Qh6 33.Rxf7 Rc8 34.Kh2 Ng5 35.Qf5 Ne6 36.Rgxg7+ Nxg7 37.Rxg7+ Kxg7 38.Qxc8 Qf4+ 39.Kg2 Qe4+ 40.Kg3 Qe3+ 41.Kg2 Qe2+ 42.Kg3 Qe1+ 43.Kg2 1/2-1/2 | ||||
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| 2090709 | Alvarez, Mia Morena (1785) | Koch, Ju (2007) | 0-1 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 h6 5.c3 d6 6.a4 a5 7.h3 g5 8.Qb3 Qe7 9.Nbd2 Bg7 10.Nf1 Nd8 11.Ne3 c6 12.Bd2 Be6 13.g4 O-O 14.Ke2 d5 15.exd5 Nxd5 16.Nxd5 cxd5 17.Bxd5 Qd6 18.Bxe6 Nxe6 19.Be3 Rfe8 20.Qc2 Qc6 21.Nd2 Nd4+ 22.Bxd4 exd4+ 23.Ne4 dxc3 24.bxc3 Bxc3 25.Rac1 Rac8 26.f3 Qb6 27.Qb1 Qxb1 28.Rxb1 Bb4 29.Rhc1 Kg7 30.d4 Red8 31.Kd3 Kg6 32.Nc3 Rc6 33.Nb5 f5 34.Rc4 f4 35.Na7 Re6 36.Rf1 Re3+ 37.Kc2 Re2+ 38.Kd3 Rde8 39.Rcc1 R2e3+ 40.Kc4 Rd8 41.Rcd1 Rc3+ 42.Kb5 Rd5+ 43.Kb6 Rc4 44.Nb5 Rd7 45.Na7 Kf6 46.Rfe1 Bxe1 47.Rxe1 Rb4+ 48.Kxa5 Rdxd4 49.Nb5 Rxa4+ 50.Kb6 Rd3 51.Rf1 Rb4 52.Kc5 Rbb3 53.Nd4 b6+ 54.Kc4 Rbc3+ 55.Kb4 Ke5 0-1 | ||||
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| 2090659 | Koch, Ju (2007) | Bayinay, Juan Santiago (1824) | 1/2-1/2 | |
| 1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.cxd5 exd5 6.Qc2 c6 7.Bg5 h6 8.Bf4 Nh5 9.Be5 Nd7 10.e3 Nxe5 11.Nxe5 Nf6 12.Bd3 Ng4 13.Nf3 Nf6 14.h3 Bd6 15.O-O Qe7 16.e4 dxe4 17.Nxe4 Nxe4 18.Bxe4 O-O 19.Rfe1 Qf6 20.Rad1 Be6 21.d5 Bxd5 22.Bxd5 cxd5 23.Rxd5 Rfe8 24.Red1 Rad8 25.R1d4 1/2-1/2 | ||||
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| 2090596 | Koch, Ju (2007) | FM Varela Velazquez, Carlos Francisco (2204) | 0-1 | |
| 1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bxf3 5.Qxf3 Nf6 6.Be2 e6 7.exd5 cxd5 8.O-O Nc6 9.Bb5 Rc8 10.d3 a6 11.Bxc6+ Rxc6 12.Bg5 Bb4 13.Rab1 b5 14.Ne2 Rxc2 15.Nd4 Rc7 16.Rbc1 Bc5 17.Qg3 Bd6 18.Bxf6 gxf6 19.Qg7 Rf8 20.Qh6 Kd7 21.Nf3 Rg8 22.Rxc7+ Bxc7 23.Rc1 Qf8 24.Qxf6 Qg7 25.Qxg7 Rxg7 26.Kf1 h5 27.g3 e5 28.Re1 f6 29.Nh4 Rg5 30.Nf3 Rg8 31.Nh4 Bb6 32.Rc1 a5 33.Ke2 a4 34.Nf5 Rg5 35.Ne3 e4 36.Rd1 exd3+ 37.Rxd3 Kc6 38.Kf3 d4 39.Ng2 Kc5 40.b3 axb3 41.axb3 Rf5+ 42.Nf4 Bc7 43.Ke4 Re5+ 44.Kf3 h4 45.g4 f5 46.Rd1 fxg4+ 47.hxg4 Re8 48.Nd3+ Kd6 49.g5 Rf8+ 50.Kg4 Kd5 51.Re1 h3 0-1 | ||||
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| 2090533 | Rodas, Dominic | Koch, Ju (2007) | 0-1 | |
| 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 e6 6.Nc3 d6 7.Nxd5 exd5 8.Bf4 dxe5 9.dxe5 Bb4+ 10.Bd2 Bc5 11.Nf3 Qb6 12.Qe2 Nc6 13.Rc1 Bg4 14.h3 Nd4 15.Qd1 Nxf3+ 16.gxf3 Bxf2+ 17.Ke2 Bd7 18.Bb4 Qe3# 0-1 | ||||
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| 2083584 | Koch, Ju (1993) | FM Mitev, Valentin (2313) | 0-1 | |
| 1.Nf3 f5 2.d4 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.b3 d6 7.Bb2 Nbd7 8.Nbd2 Qe8 9.Re1 e5 10.dxe5 dxe5 11.e4 fxe4 12.Nxe4 Nxe4 13.Rxe4 Qf7 14.Qe2 Re8 15.Nxe5 Nxe5 16.Bxe5 Bf5 17.Re3 Rxe5 18.Rxe5 Bxe5 19.Qxe5 c6 20.Re1 Bxc2 21.Bh3 Bf5 22.Bxf5 Qxf5 23.Qxf5 gxf5 24.Re7 Rb8 25.Kg2 a5 26.Kf3 b5 27.Rc7 Rb6 28.Kf4 a4 29.Kxf5 axb3 30.axb3 Ra6 31.Ke5 Ra3 32.Rxc6 Rxb3 33.f4 Rb2 34.Kf6 h5 35.h4 Rb3 36.Kg6 Kf8 37.Kxh5 Rxg3 38.Rc5 b4 39.Rb5 b3 40.f5 Kf7 41.Rb6 Kg7 42.f6+ Kf7 43.Rb7+ Kxf6 44.Rb6+ Ke5 45.Rb5+ Kd4 46.Kh6 Kc4 47.Rb8 Rd3 48.h5 Rd6+ 49.Kg7 Rd7+ 50.Kg6 Rd6+ 51.Kg7 Rd5 0-1 | ||||
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| 2084384 | Koch, Ju (1993) | CM Winkels, M (1912) | 0-1 | |
| 1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.g3 Bb4+ 5.Bd2 a5 6.Bg2 O-O 7.O-O dxc4 8.Bg5 h6 9.Bxf6 Qxf6 10.a3 Bd6 11.Nc3 Nc6 12.e3 e5 13.d5 Ne7 14.Qa4 Bg4 15.Nd2 Qg6 16.Qxc4 h5 17.f3 Bd7 18.Rac1 Nf5 19.Qe2 h4 20.g4 Ne7 21.Nde4 f5 22.Nxd6 cxd6 23.h3 e4 24.fxe4 fxg4 25.Kh2 gxh3 26.Bxh3 Qg3+ 27.Kh1 Qxh3+ 28.Qh2 Rxf1+ 0-1 | ||||
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| 2083156 | FM Laddha, Shubh Jayesh (2303) | Koch, Ju (1993) | 1-0 | |
| 1.Nf3 c5 2.e4 Nc6 3.Bb5 d6 4.O-O Bd7 5.Re1 a6 6.Bf1 e5 7.c3 Nf6 8.d4 cxd4 9.cxd4 Bg4 10.d5 Nd4 11.Be3 Nxf3+ 12.gxf3 Bd7 13.f4 exf4 14.Bxf4 Be7 15.e5 dxe5 16.Bxe5 Bg4 17.f3 Bh5 18.d6 Qb6+ 19.Qd4 1-0 | ||||
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| 2083413 | FM Golubovic, Erik (2334) | Koch, Ju (1993) | 1-0 | |
| 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4 5.Bg2 c5 6.O-O Nc6 7.Ne5 Nxe5 8.dxe5 Qxd1 9.Rxd1 Nd5 10.Na3 c3 11.e4 cxb2 12.Bxb2 Nb4 13.Nb5 Na6 14.Nd6+ Bxd6 15.exd6 f6 16.e5 f5 17.Ba3 Rb8 18.Rac1 b6 19.Bf1 Nb4 20.Bxb4 cxb4 21.Bb5+ Bd7 22.Bxd7+ Kxd7 23.Rc7+ Kd8 24.Rdc1 a5 25.Rxg7 a4 26.Rb1 b3 27.axb3 a3 28.Ra7 Ra8 29.Rxa8+ 1-0 | ||||
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| 2084727 | Koch, Ju (1993) | FM Ramu, K (2151) | 0-1 | |
| 1.Nf3 d5 2.b3 c5 3.e3 Nc6 4.Bb2 f6 5.c4 d4 6.exd4 cxd4 7.g3 e5 8.Bg2 Bc5 9.d3 a5 10.O-O Nge7 11.Nbd2 O-O 12.Ne4 b6 13.Nxc5 bxc5 14.Nd2 Rb8 15.Ba3 Nb4 16.Bxb4 axb4 17.a4 bxa3 18.Rxa3 Bb7 19.Ne4 Qb6 20.Qc2 f5 21.Ng5 h6 22.Nh3 Bxg2 23.Kxg2 Qb7+ 24.f3 g5 25.Kg1 Ra8 26.Ra4 Nc6 27.Rfa1 Rxa4 28.Rxa4 Nb4 29.Qe2 e4 30.fxe4 fxe4 31.dxe4 d3 32.Qe3 Qf7 33.Nf2 Nc2 34.Qxc5 d2 35.Qd5 Qxd5 36.cxd5 Rxf2 37.Kxf2 d1=Q 0-1 | ||||
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| 2083966 | Koch, Ju (1993) | CM Barrientos, Er (2033) | 0-1 | |
| 1.Nf3 c5 2.c4 Nc6 3.g3 e5 4.Nc3 g6 5.Bg2 Bg7 6.O-O Nge7 7.a3 a5 8.e3 O-O 9.d4 exd4 10.Nb5 d5 11.exd4 cxd4 12.Nfxd4 dxc4 13.Nxc6 Nxc6 14.Qxd8 Rxd8 15.Bg5 f6 16.Be3 Bf5 17.Rac1 Bd3 18.Rfe1 f5 19.Nc3 Nd4 20.Bxd4 Bxd4 21.Re7 b6 22.Rce1 Rac8 23.Ra7 Re8 24.Rxe8+ Rxe8 25.Bd5+ Kh8 26.Rb7 Rd8 27.Bf3 Kg8 28.Kg2 h6 29.h4 g5 30.hxg5 hxg5 31.Rc7 g4 32.Bc6 Kf8 33.Rd7 Rxd7 34.Bxd7 Ke7 35.Bc8 Kd6 36.Nb5+ Kc5 37.Nxd4 Kxd4 38.Bd7 Kc5 39.f3 Be2 40.fxg4 fxg4 0-1 | ||||
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| 2084227 | FM Andersson, Bj2 (2147) | Koch, Ju (1993) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bb5 Nf6 5.O-O Nxe4 6.Re1 d5 7.Nxd4 Bc5 8.f3 O-O 9.Bxc6 bxc6 10.fxe4 dxe4 11.c3 Qh4 12.Be3 Bg4 13.Qd2 Rad8 14.Qf2 Qh5 15.Nd2 Bd6 16.g3 f5 17.Ne6 f4 18.Nxf4 Qf7 19.h4 Rde8 20.b3 h6 21.Qg2 g5 22.hxg5 hxg5 23.Nh3 Bf3 24.Nxg5 Qh5 25.Qh2 Qg4 26.Qh7# 1-0 | ||||
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| 2083728 | CM Chelly, Yahya (1995) | Koch, Ju (1993) | 1/2-1/2 | |
| 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 h6 5.Bd2 c5 6.e3 Nc6 7.Be2 dxc4 8.Bxc4 cxd4 9.exd4 Bd6 10.O-O O-O 11.Nc3 a6 12.Be3 b5 13.Bd3 Bb7 14.Rc1 Nb4 15.Bb1 Nbd5 16.Nxd5 Bxd5 17.Ne5 Rc8 18.Qd2 Ne4 19.Bxe4 Bxe4 20.f3 Bxe5 21.dxe5 Qxd2 22.Bxd2 Bd3 23.Rfe1 Rfd8 24.Rxc8 Rxc8 25.Rc1 Rxc1+ 26.Bxc1 Bc4 27.b3 Bd5 28.Kf2 Kf8 29.Ke3 Ke8 30.Kd4 Kd7 31.Bd2 Kc6 32.Ba5 f6 33.Bd8 f5 34.Be7 g6 35.Ke3 a5 36.g3 a4 37.bxa4 bxa4 38.a3 Kb5 39.f4 Kc4 40.Bb4 Be4 41.h3 h5 42.Be7 Bg2 43.h4 Bd5 44.Bb4 Kb3 45.Bf8 Kc4 46.Bb4 Kb3 47.Kd4 Kc2 48.Kc5 Kd3 49.Kd6 Ke2 50.Ke7 Kf2 51.Kf6 Kxg3 52.Kg5 Kf3 53.Bd2 Bc6 54.Bc1 Bd5 55.Bd2 Bb3 56.Bc1 Bd5 57.Bd2 1/2-1/2 | ||||
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| 2084785 | CM Doostkam, P (1967) | Koch, Ju (1993) | 1-0 | |
| 1.c4 c5 2.Nc3 g6 3.Nf3 Bg7 4.g3 Nc6 5.Bg2 e5 6.d3 Nge7 7.O-O O-O 8.a3 a5 9.Bg5 f6 10.Bd2 d5 11.cxd5 Nxd5 12.Nxe5 Nxc3 13.Nxc6 Nxe2+ 14.Qxe2 bxc6 15.Bxc6 Bh3 16.Bxa8 Qxa8 17.Qe4 Bxf1 18.Rxf1 f5 19.Qc4+ Kh8 20.Bc3 Qd8 21.Bxg7+ Kxg7 22.Qxc5 Qxd3 23.Qxa5 Qb3 24.Qe5+ Kh6 25.Re1 Rc8 26.Qe3+ Kg7 27.Qxb3 1-0 | ||||
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| 2084596 | WCM Akshaya Sathi (1977) | Koch, Ju (1993) | 1-0 | |
| 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Qa4+ Nc6 6.cxd5 exd5 7.e3 O-O 8.Bb5 Bg4 9.Bxc6 Bxc3+ 10.bxc3 bxc6 11.Qxc6 Rb8 12.Ne5 Bf5 13.O-O Rb6 14.Qa4 Ne4 15.Ba3 Re8 16.Rac1 Rh6 17.c4 Nd2 18.Rfd1 Nxc4 19.Nxc4 dxc4 20.Rxc4 Bd7 21.Qxa7 Qh4 22.Qxc7 Qg4 23.Rdc1 Rg6 24.Qg3 Qh5 25.Qf4 Bh3 26.g3 Rf6 27.Qe5 Qxe5 28.dxe5 Ra6 29.R4c3 h5 30.f4 h4 31.R1c2 hxg3 32.hxg3 Bf5 33.Rd2 Be4 34.Bd6 Rea8 35.a3 Rxa3 36.Bxa3 1-0 | ||||
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| 2084092 | Koch, Ju (1993) | FM Purygin, A (2309) | 0-1 | |
| 1.Nf3 d5 2.c4 dxc4 3.Qa4+ Nc6 4.Qxc4 Nf6 5.g3 Be6 6.Qa4 Qd7 7.Bg2 O-O-O 8.d3 Bh3 9.Bxh3 Qxh3 10.Be3 a6 11.Nc3 e5 12.O-O-O h6 13.Kb1 Bd6 14.Rc1 Qe6 15.d4 Qf5+ 16.Qc2 Qxc2+ 17.Rxc2 e4 18.Nd2 Nb4 19.Rcc1 Rhe8 20.a3 Nbd5 21.Nxd5 Nxd5 22.Nc4 Nxe3 23.Nxd6+ Rxd6 24.fxe3 Rf6 25.Rhf1 Ree6 26.Rf4 g5 27.Rff1 Kd7 28.b4 c6 29.Kb2 Kd6 30.Kb3 h5 31.a4 h4 32.gxh4 gxh4 33.Rf4 Rxf4 34.exf4 Rg6 35.e3 Rg2 36.Rc2 Rg1 37.Kc4 Re1 38.Rg2 Rxe3 39.Rg7 Ke7 40.Rh7 Rh3 41.d5 cxd5+ 42.Kxd5 e3 43.Rh5 Kf6 44.Re5 Rxh2 45.Rxe3 Kf5 46.Re5+ Kxf4 47.Rh5 Rd2+ 48.Kc5 Kg3 49.Kb6 Rd4 50.b5 axb5 51.axb5 h3 52.Kxb7 h2 53.Rxh2 Kxh2 0-1 | ||||
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| 2075678 | WFM Sneha Halder (2160) | Koch, Ju (1993) | 0-1 | |
| 1.f4 d5 2.Nf3 Bg4 3.g3 c6 4.h3 Bxf3 5.exf3 Nf6 6.d4 e6 7.g4 Bd6 8.Bd3 Qc7 9.Qd2 Nbd7 10.c3 O-O-O 11.Na3 Nf8 12.Kd1 Ng6 13.f5 Nh4 14.Qf2 Bg3 15.Qe2 exf5 16.g5 Rde8 17.Qc2 Nh5 18.Bxf5+ Nxf5 19.Qxf5+ Kb8 20.Bd2 g6 21.Qd3 Nf4 22.Bxf4 Bxf4 23.Nc2 Bxg5 24.Re1 Qf4 25.b4 Bh4 26.Re5 Rxe5 27.dxe5 Qxe5 28.Kc1 Bf6 29.Kb2 Qd6 30.Re1 Qd7 31.f4 Re8 32.Rxe8+ Qxe8 33.f5 Qe4 34.Qxe4 dxe4 35.fxg6 hxg6 36.Ne3 Bg5 37.Ng2 f5 38.Kc2 f4 39.h4 f3 0-1 | ||||
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| 2075971 | Koch, Ju (1993) | FM Beulen, M (2359) | 0-1 | |
| 1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O Nbd7 9.Bd3 Bg6 10.Qe2 O-O 11.e4 Bh5 12.e5 Nd5 13.Nxd5 cxd5 14.Be3 Rc8 15.Rfc1 Qa5 16.Bb5 Nb8 17.Rxc8 Rxc8 18.Rc1 Rxc1+ 19.Bxc1 a6 20.Qc2 axb5 21.Qc8+ Bf8 22.Qxb8 Bxf3 23.gxf3 Qe1+ 24.Kg2 Qxc1 25.Qxb7 bxa4 26.Qb5 g6 0-1 | ||||
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| 2076484 | FM Borges Oliveros, Sebastian Francisco (2015) | Koch, Ju (1993) | 1-0 | |
| 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 dxc4 5.Bg2 c5 6.O-O Nc6 7.Ne5 Nxe5 8.dxe5 Qxd1 9.Rxd1 Nd5 10.Nc3 Nxc3 11.bxc3 Be7 12.a4 Rb8 13.a5 b5 14.axb6 axb6 15.Ra7 f6 16.Bf4 f5 17.Bc6+ Kf7 18.Bg5 Bb7 19.Bxb7 Bxg5 20.Bc8+ Kg6 21.Bxe6 Rhd8 22.Rxd8 Rxd8 23.f4 Rd1+ 24.Kf2 Bd8 25.Bxc4 h5 26.Be6 h4 27.g4 fxg4 28.Bxg4 h3 29.Bxh3 Bh4+ 30.Ke3 Be1 31.e6 Bxc3 32.e7 1-0 | ||||
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| 2075220 | Koch, Ju (1993) | FM Sydykov, Bayastan (2340) | 0-1 | |
| 1.Nf3 c5 2.e3 Nc6 3.b3 g6 4.Bb2 Nf6 5.Bxf6 exf6 6.c4 Bg7 7.Nc3 O-O 8.Be2 Re8 9.O-O f5 10.Rc1 b6 11.d4 cxd4 12.exd4 Bb7 13.Re1 d6 14.Nd5 Qd7 15.b4 Re4 16.Nc3 Ree8 17.a3 Rac8 18.d5 Ne5 19.Nb5 Nxf3+ 20.Bxf3 Rxe1+ 21.Qxe1 a6 22.Na7 Re8 23.Qd2 Qa4 24.Qd3 Bb2 25.Rd1 Qxa3 26.Qxa3 Bxa3 27.b5 a5 28.h4 Bb2 29.Nc6 a4 30.Rb1 a3 31.Nb4 Ra8 32.Na2 Bc8 33.Bd1 f4 34.Bc2 Kg7 35.Kf1 Kf6 36.Ke2 Bf5 37.Bxf5 Kxf5 38.f3 Re8+ 39.Kd2 Re3 40.Nb4 Rb3 41.Na2 f6 42.Kc2 Re3 43.Kd2 g5 44.hxg5 fxg5 45.Nb4 Rb3 46.Na2 h5 47.Kc2 Re3 48.Kd2 g4 49.fxg4+ hxg4 50.Nb4 Rb3 51.Na2 Ke4 52.Kc2 Re3 53.Kd2 Kd4 54.Nb4 Bc3+ 0-1 | ||||
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| 2076760 | FM Herrera, Mart (2190) | Koch, Ju (1993) | 1/2-1/2 | |
| 1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.g3 dxc4 5.Bg2 c5 6.O-O Nc6 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2 c3 10.bxc3 O-O 11.Ne1 Bd7 12.Nd3 Be7 13.c4 Rfd8 14.Bb2 Be8 15.Rab1 Rab8 16.Nb3 b6 17.Ne5 Rxd1+ 18.Rxd1 Nxe5 19.Bxe5 Rd8 20.Rxd8 Bxd8 21.Bb8 a5 22.c5 Nd7 23.Bd6 Nxc5 24.Nxc5 bxc5 25.Bxc5 f6 26.e4 Bb5 27.f4 Kf7 28.Kf2 Bc7 29.Ke3 e5 30.Bh3 a4 31.Bc8 h6 32.Bb7 Bc4 33.a3 Bb3 34.Bc6 g6 35.h4 h5 36.Bd7 Ba5 37.Bc6 Be1 38.Kf3 Bd1+ 39.Kg2 Bb3 40.Bd6 Bc3 41.Kf3 Bd4 42.Bd5+ Bxd5 43.exd5 exf4 44.Kxf4 Ke8 45.Ke4 Bb2 46.Bc5 Kd7 47.Kf4 Be5+ 48.Kf3 Bb2 49.g4 hxg4+ 50.Kxg4 Be5 51.h5 gxh5+ 52.Kxh5 Bb2 53.Kg4 Be5 54.Kf5 Bb2 55.Ke4 Be5 56.Kf5 1/2-1/2 | ||||
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| 2076266 | CM Aranda, Juan Manuel (2134) | Koch, Ju (1993) | 0-1 | |
| 1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.O-O Bf5 5.c4 e6 6.cxd5 exd5 7.d3 Nbd7 8.Nd4 Bg6 9.e4 dxe4 10.dxe4 Bc5 11.Be3 O-O 12.Nc3 Re8 13.Qc2 Ng4 14.Rad1 Nxe3 15.fxe3 Qc7 16.b4 Bxb4 17.Nd5 Qa5 18.Nb3 Qa4 19.Nxb4 Qxb4 20.Rxd7 a5 21.Nd4 Qa3 22.Qf2 Re7 23.Rxe7 Qxe7 24.Nf5 Qb4 25.Qc2 Rd8 26.h4 Rd2 27.Qb1 Qc3 28.Rc1 Qe5 29.Qxb7 h5 30.Qe7 Rxg2+ 31.Kxg2 Qb2+ 32.Kf3 Qxc1 33.Qd8+ Kh7 34.Qd3 Qh1+ 35.Kf4 Bxf5 36.exf5 Qh2 37.f6+ g6 38.Qd8 Qf2+ 39.Ke4 Qc2+ 40.Ke5 Qc5+ 41.Ke4 Qf5+ 42.Kd4 c5+ 43.Kc4 Qe4+ 44.Kb5 Qxe3 45.Kc6 Qe4+ 46.Kxc5 Qc2+ 47.Kb6 Qb2+ 48.Kc7 Qc2+ 49.Kd7 Qd2+ 50.Ke8 Qxd8+ 51.Kxd8 g5 52.Ke7 Kg6 53.Ke8 Kxf6 54.Kf8 Ke6 55.Kg7 f5 56.g4 gxh4 57.gxh5 h3 58.h6 h2 0-1 | ||||
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| 2075798 | Bartodziej, Bartosz (2311) | Koch, Ju (1993) | 1-0 | |
| 1.Nf3 d5 2.e3 c5 3.b3 Nf6 4.Bb2 e6 5.c4 Nc6 6.Be2 d4 7.d3 e5 8.O-O Bd6 9.e4 O-O 10.Bc1 Ne7 11.Bg5 Ng6 12.Nh4 Nxh4 13.Bxh4 Be7 14.Nd2 Nh5 15.Bxe7 Qxe7 16.Bxh5 g6 17.Bg4 f5 18.exf5 gxf5 19.Bf3 Kh8 20.Re1 Qf6 21.Bd5 1-0 | ||||
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| 2075328 | Koch, Ju (1993) | CM Mata Gonzalez, J (2164) | 0-1 | |
| 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.d4 Be7 5.Bg2 O-O 6.O-O dxc4 7.Qa4 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bg5 Nbd7 11.Bxf6 Nxf6 12.Nbd2 Rc8 13.Nb3 Be4 14.Qc3 Nd5 15.Qc1 c5 16.dxc5 Qc7 17.Nfd4 Bxg2 18.Kxg2 Bxc5 19.Nxc5 Qxc5 20.Qxc5 Rxc5 21.Rac1 Rfc8 22.Nb3 Rc2 23.Kf3 Kf8 24.a3 Ke7 25.e4 Nb6 26.Rxc2 Rxc2 27.Rb1 Nc4 28.Nd4 Rxb2 29.Rd1 Rd2 30.Rxd2 Nxd2+ 31.Ke3 Nc4+ 32.Kd3 Nxa3 33.Nc6+ Kd6 34.Nb4 a5 35.e5+ Kc5 36.Na6+ Kb6 37.Nb8 b4 38.Nd7+ Kb5 39.f4 Nc4 40.Kc2 a4 0-1 | ||||
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| 2076367 | Koch, Ju (1993) | CM Medghoul, S (2157) | 0-1 | |
| 1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.b3 O-O 6.Bb2 c5 7.e3 Nc6 8.O-O d4 9.exd4 cxd4 10.Re1 a5 11.Ne5 Nxe5 12.Rxe5 Nd7 13.Re1 e5 14.d3 Bd6 15.Ba3 Bb4 16.Bxb4 axb4 17.a4 Ra6 18.Nd2 f5 19.Bd5+ Kh8 20.Nf3 Qf6 21.Qd2 h6 22.Qxb4 Rb6 23.Qa3 g5 24.a5 Ra6 25.Nd2 e4 26.dxe4 f4 27.e5 Nxe5 28.Rxe5 fxg3 29.Ne4 gxf2+ 30.Nxf2 Qxf2+ 31.Kh1 Bh3 32.Ree1 Raf6 33.Qc1 Rf3 34.Rg1 Re8 35.Qe1 Rxe1 36.Raxe1 Re3 37.Rxe3 dxe3 0-1 | ||||
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| 2076656 | Koch, Ju (1993) | CM Sakhayi, M (2166) | 1/2-1/2 | |
| 1.Nf3 d5 2.c4 d4 3.b4 Bg4 4.Ne5 Bf5 5.Bb2 f6 6.Nf3 e5 7.e3 dxe3 8.fxe3 Bxb4 9.Be2 Ne7 10.O-O O-O 11.d4 exd4 12.exd4 Nbc6 13.d5 Bc5+ 14.Kh1 Nb4 15.Na3 Qd7 16.Nd4 Bxd4 17.Qxd4 c6 18.d6 Ng6 19.c5 Nd5 20.Bc4 Be6 21.Rae1 Rae8 22.Nb5 a6 23.Bxd5 Bxd5 24.Nc7 Rxe1 25.Rxe1 Qf5 26.Nxd5 cxd5 27.h3 h5 28.Rd1 Nf4 29.Qf2 g5 30.Bc1 Re8 31.Bxf4 gxf4 32.Re1 Re4 33.Rxe4 dxe4 34.d7 Qxd7 35.Qxf4 f5 36.Qg5+ Kf7 37.Qxh5+ Ke6 38.Qh6+ Kd5 39.Qd2+ Kc6 40.Qxd7+ Kxd7 41.Kg1 f4 42.Kf2 Ke6 43.g4 Ke5 44.g5 f3 45.Ke3 Kf5 46.h4 Kg6 47.a4 Kh5 48.a5 Kg6 49.Kf2 Kh5 50.Ke3 Kg6 51.Kf2 Kh5 52.Ke3 1/2-1/2 | ||||
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| 1934097 | Koch, Ju (1993) | WCM Swara Lakshmi S Nair (2130) | 0-1 | |
| 1.e4 e5 2.Nc3 Nf6 3.g3 d5 4.exd5 Nxd5 5.Bg2 Nxc3 6.bxc3 Nc6 7.Ne2 Bd6 8.O-O O-O 9.d4 exd4 10.cxd4 Bd7 11.Rb1 b6 12.c4 Re8 13.Nf4 Rb8 14.Bb2 Bxf4 15.gxf4 Bf5 16.Rc1 Nb4 17.Rc3 Qh4 18.Rg3 Qxf4 19.d5 g6 20.Qb3 a5 21.a3 Na6 22.Qc3 Kf8 23.Qh8+ Ke7 24.Re1+ Kd7 25.Rxe8 Rxe8 26.Qf6 Re1+ 27.Bf1 Qxc4 28.Qxf7+ Kc8 29.Qe8+ Rxe8 0-1 | ||||
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| 1933347 | CM Ardila, Oscar Humberto (1984) | Koch, Ju (1993) | 1-0 | |
| 1.a3 c5 2.h3 g6 3.d3 Bg7 4.Nd2 Nc6 5.e4 e5 6.Ngf3 Nge7 7.Be2 O-O 8.O-O d5 9.c3 h6 10.Qc2 Be6 11.Rd1 d4 12.cxd4 Nxd4 13.Nxd4 cxd4 14.Nf3 Rc8 15.Qa4 Qb6 16.b4 Rc3 17.Bd2 Bb3 18.Qa5 Qxa5 19.bxa5 Bxd1 20.Rxd1 Rc7 21.Bb4 Re8 22.Rb1 Nc6 23.Bd6 Rd7 24.Bc5 Nxa5 25.Bxa7 Nc6 26.Bb6 Ra8 27.Rb3 Bf8 28.Rb5 f6 29.Nh4 Kg7 30.Bg4 Rf7 31.Be6 Re7 32.Bd5 Rxa3 33.Bc5 Ra1+ 34.Kh2 Rc7 35.Bb6 Rc8 36.Be6 Rca8 37.Bc7 R1a7 38.Bb6 Ra6 39.Bc7 Ne7 40.Bc4 Rc6 41.Rxb7 Rc8 42.Ba5 Kh8 43.Bb4 Rxc4 44.dxc4 Nc6 45.Nxg6+ Kg8 46.Bxf8 Rxf8 47.Nxf8 Kxf8 48.Rb6 Nb4 49.Rxf6+ Ke7 50.Rxh6 d3 51.Rh7+ Ke6 52.Rh8 d2 53.Rd8 1-0 | ||||
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| 1933117 | Koch, Ju (1993) | CM Jyotshnav Talukdar (2204) | 0-1 | |
| 1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.g3 Be7 5.Bg2 O-O 6.O-O dxc4 7.Qa4 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bg5 Be4 11.Qc1 Nc6 12.Bxf6 Bxf6 13.Nbd2 Nxd4 14.Nxd4 Bxg2 15.Kxg2 Qxd4 16.Nf3 Qxb2 17.Qxc7 Qxe2 18.Rfe1 Qc4 19.Qxc4 bxc4 20.Rac1 c3 21.Rc2 Rab8 22.Ne5 Rb5 23.f4 Rb2 24.Ree2 Bxe5 25.fxe5 Rxc2 26.Rxc2 Rc8 27.Kf3 Kf8 28.Ke4 Ke7 29.Kd4 Kd7 30.h4 f6 31.exf6 gxf6 32.a4 e5+ 33.Kd5 a5 34.g4 h6 35.g5 hxg5 36.hxg5 fxg5 37.Kxe5 Rc5+ 38.Kd4 Kc6 0-1 | ||||
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| 1932884 | FM Baradaran Tamadon, Arian (2330) | Koch, Ju (1993) | 1-0 | |
| 1.Nf3 d5 2.b3 c5 3.Bb2 Nc6 4.g3 f6 5.d4 cxd4 6.Nxd4 e5 7.Nxc6 bxc6 8.Bg2 Bc5 9.O-O Ne7 10.c4 O-O 11.cxd5 cxd5 12.Nc3 Be6 13.Rc1 Rc8 14.Na4 Bb6 15.Qd3 e4 16.Qa6 Rxc1 17.Rxc1 Bc8 18.Qb5 Bd7 19.Qb4 Nc6 20.Qd6 Ne7 21.Nxb6 axb6 22.Rc7 Rf7 23.Rxd7 Qe8 24.Rd8 1-0 | ||||
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| 1933712 | Koch, Ju (1993) | Do Carmo, Gabriel Carckeno (2045) | 1-0 | |
| 1.c4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.e4 Bg7 6.Be3 Nf6 7.Nc3 O-O 8.Be2 d6 9.O-O Nd7 10.Qd2 Nc5 11.f3 Re8 12.Rfd1 Ne6 13.Nxc6 bxc6 14.c5 Rb8 15.cxd6 exd6 16.Bxa7 Rb4 17.Be3 Qa5 18.Rac1 Ba6 19.Bxa6 Qxa6 20.b3 Qa5 21.Na4 Ra8 22.Rxc6 Nd4 23.Rxd6 Nb5 24.Rd8+ Bf8 25.Bh6 Rd4 26.Rxf8+ Rxf8 27.Qxa5 Rxd1+ 28.Kf2 Rfd8 29.Qxb5 1-0 | ||||
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| 1934234 | CM Amarasinghe, A (1963) | Koch, Ju (1993) | 1-0 | |
| 1.d4 e6 2.c4 d5 3.g3 Nf6 4.Bg2 dxc4 5.Nf3 c5 6.O-O Nc6 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Na3 c3 10.bxc3 O-O 11.Nb5 Bd7 12.Bg5 Rfd8 13.Nbd4 Nxd4 14.cxd4 Bb6 15.Ne5 Nd5 16.Bxd8 Rxd8 17.Bxd5 exd5 18.Nxd7 Rxd7 19.e3 Kf8 20.Rac1 Ke7 21.Rc8 Bd8 22.Rb1 a5 23.Rb8 b6 24.Rc8 Kd6 25.Rbc1 b5 26.R1c5 b4 27.R8c6+ Ke7 28.Rb5 g6 29.f4 h5 30.h3 f6 31.g4 hxg4 32.hxg4 Kf7 33.f5 g5 34.Rcc5 Be7 35.Rxd5 Rxd5 36.Rxd5 a4 37.Rb5 Ke8 38.e4 Kd7 39.e5 Kc6 40.Rb8 fxe5 41.dxe5 Bc5+ 42.Kg2 Kd5 43.e6 1-0 | ||||
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| 1932469 | IM Becking, S (2410) | Koch, Ju (1993) | 0-1 | |
| 1.d4 Nf6 2.Nf3 e6 3.c3 c5 4.e3 d5 5.Nbd2 Nc6 6.Bd3 Bd6 7.e4 dxe4 8.Nxe4 Nxe4 9.Bxe4 cxd4 10.Bxc6+ bxc6 11.Qxd4 O-O 12.O-O c5 13.Qd3 Bxh2+ 0-1 | ||||
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| 1932731 | Koch, Ju (1993) | FM Dilanian, G (2206) | 0-1 | |
| 1.Nf3 Nf6 2.c4 c5 3.g3 g6 4.Bg2 Bg7 5.Nc3 O-O 6.a3 Nc6 7.Rb1 d5 8.cxd5 Nxd5 9.O-O Bf5 10.d3 Bxc3 11.bxc3 Nxc3 12.Qc2 Nxb1 13.Qxb1 c4 14.Bh6 Re8 15.Qxb7 Na5 16.Qb2 f6 17.Nd4 Rb8 18.Qa1 Nb3 19.Nxb3 cxb3 20.Bc6 Bd7 21.Bd5+ e6 22.Bc4 b2 23.Qa2 Qb6 24.Rb1 g5 25.h4 gxh4 26.Be3 Qc6 27.Rxb2 hxg3 28.Rc2 gxf2+ 29.Bxf2 Kh8 30.e4 Qd6 31.Bh4 Qf4 32.Rh2 Rg8+ 33.Kh1 Qf3+ 34.Rg2 Qh3+ 0-1 | ||||
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| 1934016 | Kulik, Nicolas (2089) | Koch, Ju (1993) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Nd5 Nxd5 8.exd5 Nb8 9.a4 a6 10.Na3 Nd7 11.Nc4 Be7 12.a5 b5 13.axb6 Nxb6 14.Be3 Nxc4 15.Bxc4 O-O 16.Qd2 f5 17.f3 Bh4+ 18.g3 Bf6 19.c3 f4 20.Bf2 Bh3 21.Rg1 e4 22.fxe4 f3 23.Qd3 Bg5 24.Kd1 a5 25.Kc2 a4 26.Ra3 Bh6 27.Rga1 Qg5 28.Rxa4 Rxa4 29.Rxa4 Qc1+ 30.Kb3 Rb8+ 31.Rb4 Rxb4+ 32.cxb4 Bd7 33.b5 Bd2 34.Qc2 Qxc2+ 35.Kxc2 Ba5 36.b6 Bc8 37.e5 dxe5 38.d6+ Kf8 39.d7 Bxd7 40.b7 1-0 | ||||
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| 1933507 | FM Borges Oliveros, Sebastian Francisco (2015) | Koch, Ju (1993) | 1-0 | |
| 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 dxc4 5.Bg2 Bb4+ 6.Bd2 a5 7.O-O O-O 8.Qc2 b5 9.a4 Nc6 10.axb5 Bxd2 11.Nbxd2 Nb4 12.Qxc4 Bb7 13.Rac1 Rc8 14.Ne5 Bd5 15.Bxd5 exd5 16.Qc5 Nd7 17.Nxd7 Qxd7 18.Nb3 Rb8 19.Qxc7 Qxc7 20.Rxc7 Rxb5 21.Rfc1 h5 22.R1c5 Rfb8 23.Rc8+ Kh7 24.Rxb8 Rxb8 25.Rxa5 Nd3 26.exd3 Rxb3 27.Rxd5 Rxb2 28.Rxh5+ Kg6 29.Re5 Rd2 30.Re3 f5 31.Kg2 f4 32.gxf4 Kf5 33.Kf3 g6 34.Re5+ Kf6 35.Ke3 Ra2 36.d5 Ra6 37.Re6+ 1-0 | ||||
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| 1933792 | Koch, Ju (1993) | CM Medghoul, S (2157) | 0-1 | |
| 1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.b3 g6 5.Bb2 Bg7 6.Qc2 O-O 7.Be2 Bf5 8.d3 Nbd7 9.O-O Re8 10.Nd4 e5 11.Nxf5 gxf5 12.Nc3 d4 13.Nd1 c5 14.b4 b6 15.bxc5 Nxc5 16.exd4 exd4 17.Bf3 Rc8 18.Ba3 Ng4 19.h3 Ne5 20.Be2 f4 21.Bxc5 Rxc5 22.Nb2 f3 23.Bxf3 Nxf3+ 24.gxf3 Rg5+ 25.Kh1 Qd7 0-1 | ||||
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| 1877510 | Koch, Ju (1993) | Pace, Christopher (2053) | 0-1 | |
| 1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.g3 Be7 5.Bg2 O-O 6.O-O b6 7.cxd5 exd5 8.Nc3 Bb7 9.Bf4 a6 10.Rc1 Nbd7 11.Ne5 c5 12.dxc5 Nxc5 13.b4 Ne6 14.Bg5 Nxg5 0-1 | ||||
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| 1878297 | WCM Nugroho, Angel Ruth (1884) | Koch, Ju (1993) | 0-1 | |
| 1.d4 Nf6 2.Nf3 e6 3.Bf4 d5 4.e3 Bd6 5.Bg3 O-O 6.Bd3 c5 7.c3 Qc7 8.Nbd2 Nbd7 9.O-O e5 10.dxc5 Qxc5 11.e4 dxe4 12.Nxe4 Nxe4 13.Bxe4 Nf6 14.Bc2 Bg4 15.Re1 Rfe8 16.h3 Bh5 17.Qd3 Bg6 18.Qe2 Bxc2 19.Qxc2 Rad8 20.Rad1 e4 21.Bxd6 Rxd6 22.Nd4 Red8 23.Qb3 b6 24.Ne2 Rxd1 25.Rxd1 Rxd1+ 26.Qxd1 Qd5 27.Qxd5 Nxd5 28.Ng3 Nf6 29.Kf1 h5 30.h4 Kf8 31.Ke2 Ke8 32.Ke3 Ng4+ 33.Kxe4 Nxf2+ 34.Kd4 g6 35.c4 Kd7 36.b4 Kc6 37.a4 a6 38.Ne2 Ng4 39.Nf4 Nf6 40.Nd3 Nd7 41.Ne5+ Nxe5 42.Kxe5 a5 43.bxa5 bxa5 44.Kd4 f6 45.c5 g5 46.g3 gxh4 47.gxh4 f5 48.Ke5 Kxc5 49.Kxf5 Kb4 50.Kg5 Kxa4 51.Kxh5 Kb3 52.Kg6 a4 53.h5 a3 54.h6 a2 55.h7 a1=Q 56.Kh6 Qh8 57.Kg6 Kc4 0-1 | ||||
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| 1877024 | CM Yazici, Ugur Doga (2200) | Koch, Ju (1993) | 0-1 | |
| 1.e4 c5 2.Nf3 Nc6 3.Bb5 d6 4.c3 a6 5.Bxc6+ bxc6 6.d4 cxd4 7.cxd4 Nf6 8.Nc3 e6 9.O-O Be7 10.e5 dxe5 11.dxe5 Qxd1 12.Rxd1 Nd5 13.Ne4 O-O 14.Be3 f5 15.exf6 Nxf6 16.Nc5 Nd5 17.Bd4 Bf6 18.Rac1 Rb8 19.b3 Rb4 20.Rc4 a5 21.Rxb4 axb4 22.Bxf6 gxf6 23.Nd4 Nc3 24.Re1 Rd8 25.Nxc6 Rd6 26.Ne7+ Kf7 27.Nxc8 Rc6 28.Nxe6 Rxe6 29.Ra1 Rc6 30.Na7 Ra6 31.Nc8 Rc6 32.a3 Rxc8 33.axb4 Rb8 34.Ra7+ Kg6 35.Rc7 Nd5 36.Rc5 Nxb4 37.h4 Nd3 38.Rc3 Ne5 39.Kh2 h5 40.f3 Rb4 41.Kg3 Kf5 42.Kh3 Ng6 43.g4+ hxg4+ 44.fxg4+ Rxg4 45.Rf3+ Nf4+ 46.Kh2 Rxh4+ 47.Kg3 Rg4+ 48.Kh2 Rg2+ 49.Kh1 Rb2 50.Kg1 Kg4 51.Re3 Nh3+ 52.Kf1 f5 53.Rc3 f4 54.Rc8 f3 55.Rg8+ Ng5 56.Ke1 Rxb3 57.Kf2 Rb2+ 58.Kg1 Kf4 59.Rf8+ Kg3 0-1 | ||||
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| 1878071 | FM Essing, A (2206) | Koch, Ju (1993) | 1-0 | |
| 1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 Bb4 5.cxd5 exd5 6.Bg5 h6 7.Bxf6 Qxf6 8.g3 O-O 9.Bg2 c5 10.O-O Bxc3 11.bxc3 c4 12.Rb1 Nc6 13.Rb5 Rd8 14.Nd2 Ne7 15.e4 Qa6 16.Qb1 Qa3 17.Rc1 dxe4 18.Nxc4 Qa6 19.Ne5 Bf5 20.Qb3 Be6 21.Qb2 f6 22.Bxe4 fxe5 23.Bxb7 Qxa2 24.Bxa8 Qxb2 25.Rxb2 Rxa8 26.dxe5 a5 27.Ra1 Kf7 28.Ra3 Bd5 29.Rb5 Ke6 30.Raxa5 Rxa5 31.Rxa5 Nc6 32.Rc5 Nxe5 33.h4 Nd7 34.Ra5 Kd6 35.Ra6+ Bc6 36.f4 Nc5 37.Ra7 Ne4 38.Rxg7 Nxc3 39.Rg6+ Kc5 40.Rxh6 Ne2+ 41.Kf2 Nd4 42.h5 Be4 43.Rh8 Nf5 44.h6 Nd6 45.h7 Nf7 46.Rc8+ Kd6 47.h8=Q Nxh8 48.Rxh8 Bf5 49.Ra8 1-0 | ||||
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| 1877823 | WCM Ejsymont, Blanka (2071) | Koch, Ju (1993) | 1/2-1/2 | |
| 1.Nf3 d5 2.g3 c5 3.Bg2 Nf6 4.O-O e6 5.c4 d4 6.d3 Nc6 7.e4 e5 8.Ne1 Be7 9.f4 exf4 10.Bxf4 Bg4 11.Nf3 O-O 12.h3 Bxf3 13.Qxf3 Bd6 14.Nd2 Ne5 15.Qe2 Qc7 16.Nf3 Rae8 17.Nxe5 Bxe5 18.a3 a5 19.b3 b6 20.Rab1 Nd7 21.b4 axb4 22.axb4 f5 23.b5 Nf6 24.Bxe5 Qxe5 25.Rbe1 fxe4 26.Bxe4 Qxg3+ 27.Qg2 Qxg2+ 28.Kxg2 Nxe4 29.Rxf8+ Kxf8 30.dxe4 Re5 31.Kf3 g5 32.Ra1 Kf7 33.Ra6 Re6 34.Ra7+ Re7 35.Ra6 Re6 36.Kg4 Kg6 37.e5 h5+ 38.Kf3 Kf5 39.Ra8 Kxe5 40.Rg8 Kf5 41.Rh8 g4+ 42.hxg4+ hxg4+ 43.Kf2 Ke4 44.Ke2 Kf4+ 45.Kf2 g3+ 46.Kg2 Re2+ 47.Kf1 Rf2+ 48.Ke1 Rc2 49.Rf8+ Ke3 50.Re8+ Kf3 51.Rf8+ Kg2 52.Rf6 Rxc4 53.Rxb6 Rb4 54.Rb8 c4 55.b6 d3 56.Kd2 Rb2+ 57.Kc1 c3 58.Rd8 d2+ 59.Kd1 Rxb6 60.Kc2 Rb7 61.Kxc3 Kh1 62.Rh8+ Kg1 63.Kxd2 g2 64.Ke2 Rf7 65.Rg8 Rf5 66.Ke1 Kh2 67.Rh8+ Kg3 68.Rg8+ Kh3 69.Rh8+ Kg4 70.Rg8+ Kh3 71.Rh8+ Kg3 72.Rg8+ Kh2 73.Rh8+ Kg1 74.Rg8 Re5+ 75.Kd2 Kf2 76.Rf8+ Kg3 77.Rg8+ Kf3 78.Rf8+ Kg4 79.Rg8+ Rg5 80.Ra8 g1=Q 81.Ra4+ Kf3 82.Ra3+ Kf2 83.Re3 Rd5+ 84.Kc3 Kxe3 85.Kc4 1/2-1/2 | ||||
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| 1876607 | Koch, Ju (1993) | FM Hakobyan, Menua (2387) | 0-1 | |
| 1.Nf3 d5 2.d4 c6 3.c4 Nf6 4.Nc3 a6 5.cxd5 cxd5 6.Bf4 Nc6 7.e3 Bg4 8.Be2 e6 9.O-O Bd6 10.h3 Bxf3 11.Bxf3 Bxf4 12.exf4 Qb6 13.Ne2 O-O 14.a3 Qxb2 15.Rb1 Qxa3 16.Rxb7 Na5 17.Rc7 Nc4 18.Rxc4 dxc4 19.Bxa8 Rxa8 20.Qc2 Rc8 21.Nc3 Qb3 22.Rc1 g6 23.Qd2 Nd5 24.Nxd5 exd5 25.f5 Qb6 26.fxg6 hxg6 27.Qc3 a5 28.Ra1 Qb4 29.Ra3 Re8 30.h4 Re1+ 31.Kh2 Qxc3 32.Rxc3 Re4 33.h5 Rxd4 34.hxg6 fxg6 35.Ra3 Kg7 36.Rxa5 c3 37.Rc5 Rc4 0-1 | ||||
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| 1877377 | Koch, Ju (1993) | CM Anakok, Deniz (2129) | 0-1 | |
| 1.Nf3 Nf6 2.c4 c6 3.d4 d5 4.Nc3 e6 5.cxd5 cxd5 6.Bf4 Nc6 7.e3 Bd6 8.Bg3 O-O 9.Bd3 Qe7 10.a3 e5 11.dxe5 Nxe5 12.Nxe5 Bxe5 13.Bxe5 Qxe5 14.O-O Bg4 15.Be2 Be6 16.Qd4 Qxd4 17.exd4 Rac8 18.Bf3 Rc4 19.Rfd1 a6 20.Rac1 Rfc8 21.Ne2 Rxc1 22.Rxc1 Rxc1+ 23.Nxc1 Bf5 24.Nb3 b6 25.Kf1 Kf8 26.Ke1 Ke7 27.Kd2 Kd6 28.h3 Be4 29.Ke3 Bxf3 30.Kxf3 Ne4 31.Ke3 f5 32.Nd2 Nf6 33.Kf4 Ke6 34.g4 fxg4 35.hxg4 h6 36.Nf3 g5+ 37.Nxg5+ hxg5+ 38.Kxg5 Ne4+ 39.Kh6 Nxf2 40.g5 Kf5 41.g6 Ng4+ 42.Kh7 Nf6+ 43.Kg7 Nh5+ 44.Kf7 Ke4 45.Ke6 Nf4+ 0-1 | ||||
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| 1877159 | CM Bodemar, Jonathan (2154) | Koch, Ju (1993) | 1-0 | |
| 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 d6 7.Qd2 h6 8.Nge2 Nge7 9.O-O Nd4 10.Nd1 Rb8 11.Nc1 e5 12.c3 Ne6 13.Ne2 h5 14.f4 exf4 15.Nxf4 Bh6 16.Nd5 Bxe3+ 17.N1xe3 O-O 18.h4 Nxd5 19.Nxd5 Ng7 20.Nf6+ 1-0 | ||||
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| 1877928 | Koch, Ju (1993) | CM Shavkatov, Temur (2043) | 1-0 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 d6 6.Be2 Nbd7 7.e5 dxe5 8.dxe5 Ng4 9.e6 Nde5 10.exf7+ Nxf7 11.Qxd8 Rxd8 12.h3 Nge5 13.Nd5 Nxf3+ 14.Bxf3 c6 15.Nxe7+ Kf8 16.Nxc8 Raxc8 17.O-O Ne5 18.Be2 Re8 19.Be3 Nf7 20.Rab1 Bh6 21.Bxh6+ Nxh6 22.Bf3 Rcd8 23.Rfd1 Rxd1+ 24.Rxd1 Re7 25.b4 Kg7 26.b5 Nf5 27.bxc6 bxc6 28.Bxc6 Rc7 29.Bd5 Nd6 30.g4 Rc5 31.f4 Nxc4 32.Bxc4 Rxc4 33.Rd7+ Kf6 34.Rxa7 Rxf4 35.Kg2 Rb4 36.a4 Rb2+ 37.Kg3 Ra2 38.Rxh7 Rxa4 39.Rb7 g5 40.Rb6+ Kf7 41.Rb3 Rc4 42.h4 gxh4+ 43.Kxh4 Kg6 44.Rb6+ Kg7 45.Kh5 Rc5+ 46.g5 Rc1 47.Rb4 Rc6 48.Rb7+ Kg8 49.g6 Rd6 50.Kh6 Rd8 51.Rg7+ Kh8 52.Rh7+ Kg8 53.Ra7 Rf8 54.Rg7+ Kh8 55.Re7 Kg8 56.Re4 Rd8 57.Re7 Rc8 58.Kg5 Kh8 59.Kf6 Kg8 60.g7 1-0 | ||||
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| 1876919 | Koch, Ju (1993) | WCM Wadhwa, Ananya (1856) | 0-1 | |
| 1.Nf3 Nf6 2.c4 e6 3.d4 d5 4.g3 c6 5.Bg2 Be7 6.O-O O-O 7.Qc2 Nbd7 8.Rd1 b6 9.Nbd2 Bb7 10.e4 dxe4 11.Nxe4 Nxe4 12.Qxe4 Nf6 13.Qc2 Qc8 14.c5 Rd8 15.Bf4 Nd5 16.Ne5 f6 17.Nc4 Nxf4 18.gxf4 Qc7 19.cxb6 axb6 20.Qe4 Kh8 21.Qxe6 Ra4 22.b3 Ra7 23.Re1 Bf8 24.f5 b5 25.Ne3 Rxd4 26.Red1 c5 27.Nd5 Qd8 28.Rxd4 cxd4 29.Re1 Ra8 30.Qf7 Bc6 31.Nxf6 Qxf6 32.Qxf6 gxf6 33.Bxc6 Rxa2 34.Bxb5 Rb2 35.Bc4 Kg7 36.Rd1 Bc5 37.Kg2 h5 38.Kf3 Kh6 39.Re1 Kg5 40.Re2 Rxe2 41.Kxe2 Kxf5 42.Kf3 Ke5 43.h3 Bb4 44.Bf7 h4 45.Bc4 Be1 46.Bf7 d3 47.Bc4 d2 48.Be2 Kd4 49.Bd1 Kc3 50.Ke3 Kb4 51.f4 Ka3 52.f5 Kb2 53.Ke2 Kc1 54.b4 Bg3 55.b5 Bc7 56.b6 Bxb6 57.Bb3 Bc5 58.Be6 Bb4 59.Bd5 Bc3 0-1 | ||||
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| 1878216 | Koch, Ju (1993) | WFM Sermukhamedova, Adriana (2161) | 0-1 | |
| 1.Nf3 Nf6 2.c4 e6 3.d4 c5 4.e3 cxd4 5.exd4 d5 6.Nc3 Bb4 7.a3 Bxc3+ 8.bxc3 O-O 9.Bd3 dxc4 10.Bxc4 Qc7 11.Qe2 b6 12.Bd2 Bb7 13.Bd3 Nbd7 14.O-O h6 15.h3 Rac8 16.Ne5 Nxe5 17.dxe5 Qc6 18.f3 Nd5 19.c4 Ne7 20.Rac1 Rfd8 21.Bb4 Nf5 22.Bxf5 exf5 23.Qc2 Qe6 24.Bd6 Ba6 25.Rfe1 Bxc4 26.Qa4 a6 27.Qb4 b5 28.Qa5 Ra8 29.Red1 Rdc8 30.Qb6 Qg6 31.Qe3 a5 32.Kh2 Qe6 33.Rd4 Bd5 34.Rcd1 Bb3 35.R1d3 a4 36.Bb4 Rc2 37.Rd2 Rac8 38.Rd6 Qe8 39.Qd3 Rxd2 40.Qxd2 g6 41.e6 fxe6 42.Qd4 e5 43.Qb6 Bf7 44.Qxb5 Qxb5 0-1 | ||||
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| 1648131 | Koch, Ju (1993) | GM Brkic, A (2594) | 0-1 | |
| 1.Nf3 Nf6 2.c4 e6 3.d4 Bb4+ 4.Bd2 Qe7 5.g3 Bxd2+ 6.Qxd2 Nc6 7.Bg2 Ne4 8.Qc2 Qb4+ 9.Nc3 Nxc3 10.Qxc3 Qxc3+ 11.bxc3 d6 12.O-O Bd7 13.Nd2 O-O-O 14.a4 Na5 15.Rfb1 c5 16.e3 Kc7 17.Bf1 b6 18.Nb3 Rb8 19.Nxa5 bxa5 20.Bd3 Rb6 21.h4 h6 22.Rxb6 axb6 23.Bc2 Bc6 24.e4 Bb7 25.f3 Ba6 26.Bb3 Kd7 27.Kf2 Rc8 28.Rc1 Ke7 29.Ke3 e5 30.d5 Rb8 31.Rf1 Bc8 32.g4 Bd7 33.Rg1 g6 34.Rf1 Rf8 35.Rg1 Rh8 36.Bc2 h5 37.g5 Rf8 38.Rf1 f6 39.f4 fxg5 40.hxg5 h4 41.f5 h3 42.Rh1 gxf5 43.exf5 Bxf5 44.Bxf5 Rxf5 45.Rxh3 Rxg5 46.Rh7+ Kf6 47.Rd7 Rg3+ 48.Kd2 Kf5 49.Rxd6 Rg2+ 50.Ke3 Rg3+ 51.Kd2 Rg2+ 52.Ke3 Ra2 53.Rxb6 Rxa4 54.d6 Ke6 55.Kd3 Ra1 56.Ke4 a4 57.d7+ Kxd7 58.Kxe5 a3 59.Kd5 a2 60.Kxc5 Rb1 0-1 | ||||
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| 1647922 | Koch, Ju (1993) | CM Goderdzishvili, Giga (2233) | 1/2-1/2 | |
| 1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 d6 5.O-O g6 6.d3 Bg7 7.Nc3 Nbd7 8.e4 O-O 9.h3 e5 10.Be3 Nc5 11.Qd2 a5 12.Rab1 Qd7 13.b3 Ne6 14.a3 c5 15.Bh6 Nd4 16.Nxd4 cxd4 17.Nd5 Nxd5 18.cxd5 Rfc8 19.Bxg7 Kxg7 20.Rbc1 Ba6 21.f4 f6 22.fxe5 fxe5 23.Kh2 h6 24.h4 Qb5 25.Rxc8 Rxc8 26.Qf2 Qe8 27.Qf6+ Kh7 28.Qxd6 Bxd3 29.Rf6 h5 30.Re6 Qf8 31.Qxe5 Rd8 32.Re7+ Kg8 33.Qe6+ Kh8 34.Rb7 Rd6 35.Qe7 Qxe7 36.Rxe7 Bc2 37.e5 Rd8 38.d6 Kg8 39.d7 Kf8 40.Rh7 Bf5 41.Bc6 d3 42.Rh8+ Ke7 43.Re8+ Kf7 44.Rxd8 Bxd7 45.Rxd7+ Ke6 46.Rxd3 Kxe5 47.Kg2 Ke6 48.Kf3 Ke5 49.Ke3 Ke6 50.Rd5 Ke7 51.Ke4 Ke6 52.b4 axb4 53.axb4 Ke7 54.b5 Ke6 55.g4 Kf6 56.Rg5 Ke6 57.Rxg6+ Ke7 58.Ke5 hxg4 59.Rg7+ Kf8 60.Kf6 g3 61.Bd7 g2 62.Rxg2 1/2-1/2 | ||||
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| 1649714 | CM Fernandez, Gera (2161) | Koch, Ju (1993) | 1-0 | |
| 1.e4 c5 2.d3 g6 3.g3 Bg7 4.Bg2 Nc6 5.f4 e5 6.Nf3 d6 7.O-O Nge7 8.f5 gxf5 9.Nh4 f4 10.Qh5 O-O 11.Nc3 Ng6 12.Nf5 Be6 13.Nxg7 Kxg7 14.gxf4 exf4 15.Bxf4 Nxf4 16.Rxf4 h6 17.Raf1 Qg5 18.Qe2 Kh7 19.Kh1 Rg8 20.Nb5 Nd4 21.Nxd4 cxd4 22.a3 Rg7 23.Qf2 Rag8 24.Rg1 Bh3 25.Rxf7 Rxf7 26.Qxf7+ Rg7 27.Qf2 Bxg2+ 28.Qxg2 Qxg2+ 29.Rxg2 Rxg2 30.Kxg2 Kg6 31.Kf3 Kg5 32.Kg3 h5 33.h4+ Kg6 34.Kf4 Kf6 35.c3 dxc3 36.bxc3 b5 37.d4 a5 38.Ke3 Ke6 39.Kd3 Kf6 40.c4 b4 41.axb4 axb4 42.Kc2 Ke6 43.Kb3 1-0 | ||||
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| 1648707 | Koch, Ju (1993) | WGM Mikhailova, I (2143) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.dxc3 Qxd1+ 7.Kxd1 f6 8.Bc4 e5 9.Be3 Bd6 10.Nd2 Ke7 11.Kc2 Be6 12.b4 Nd7 13.a4 Rhd8 14.Rhd1 Nf8 15.a5 a6 16.f3 Rd7 17.g4 Rad8 18.Bxe6 Kxe6 19.Nc4 Be7 20.h4 Rxd1 21.Rxd1 Rxd1 22.Kxd1 f5 23.h5 fxg4 24.fxg4 gxh5 25.gxh5 Nd7 26.Nd2 Nf6 27.h6 Bf8 28.Ke2 Ng4 29.Bg5 Bxh6 30.Nf3 Kf7 31.Nxe5+ Nxe5 32.Bxh6 c6 33.Bf4 Ke6 34.Bh6 Ng4 35.Bf4 h5 36.Kf3 Ne5+ 37.Kg3 Nd3 38.Bc7 c5 39.bxc5 Nxc5 40.Kf4 h4 41.e5 Na4 42.c4 Nb2 43.c5 Nc4 44.Kg4 Nxe5+ 45.Kxh4 Nd3 46.Bb6 Kd5 47.Kg4 Nxc5 48.Kf5 Kc6 49.Bd8 Kb5 50.Ke5 Nb3 51.Kd5 Nxa5 0-1 | ||||
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| 1648495 | CM Ochedzan, Filip (2052) | Koch, Ju (1993) | 1-0 | |
| 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 Nxc3 6.bxc3 Be7 7.d4 O-O 8.Bd3 f6 9.Qh5 g6 10.Bxg6 hxg6 11.Qxg6+ Kh8 12.Nf3 fxe5 13.Nxe5 Bf5 14.Nf7+ Rxf7 15.Qxf7 Bh4+ 16.g3 Qe7+ 17.Qxe7 Bxe7 18.O-O Be4 19.Rf7 Nc6 20.Bh6 Bg6 21.Rf2 Kh7 22.Bf4 Rf8 23.Re1 Be4 24.Bxc7 Rxf2 25.Kxf2 Bg5 26.Bf4 Bxf4 27.gxf4 Kg6 28.c4 Kf5 29.cxd5 Bxd5 30.c3 Kxf4 31.a3 Be4 32.Rg1 Ne7 33.h3 Nd5 34.c4 Nb6 35.c5 Nc4 36.a4 Nb2 37.Rg4+ Kf5 38.a5 Nd3+ 39.Ke3 Nxc5 40.dxc5 Bc6 41.Rg7 a6 42.h4 1-0 | ||||
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| 1648259 | FM Devaev, A (2306) | Koch, Ju (1993) | 1-0 | |
| 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 O-O 5.e4 b6 6.Ne2 Ne8 7.a3 Be7 8.Be3 Bb7 9.Qd2 f5 10.exf5 exf5 11.O-O-O Nc6 12.Kb1 Na5 13.Nc1 Nd6 14.b3 Nf7 15.Ka2 d6 16.d5 c5 17.b4 cxb4 18.axb4 Nxc4 19.Bxc4 Ne5 20.Be2 b5 21.Nb3 a5 22.Nxa5 Rxa5+ 23.bxa5 Qxa5+ 24.Kb1 b4 25.Qa2 Ra8 26.Qxa5 Rxa5 27.Nb5 Ba6 28.f4 Bxb5 29.Bxb5 Ng6 30.Bd3 Bf6 31.Bc4 Bc3 32.g3 Ne7 33.Kc2 1-0 | ||||
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| 1649030 | Koch, Ju (1993) | CM Danzer, G (2172) | 1/2-1/2 | |
| 1.Nf3 Nf6 2.c4 c5 3.Nc3 Nc6 4.g3 g6 5.Bg2 Bg7 6.a3 O-O 7.h4 h5 8.Rb1 e6 9.b4 d5 10.cxd5 cxb4 11.axb4 Nxd5 12.b5 Nce7 13.Nxd5 Nxd5 14.O-O a6 15.bxa6 Rxa6 16.Bb2 Nf6 17.Be5 Ng4 18.Bxg7 Kxg7 19.Rb2 Rd6 20.d3 b6 21.Qb1 Bb7 22.Rc1 Re8 23.Rb4 Re7 24.Qb2+ Kg8 25.Rb1 Rc7 26.Rxb6 Rxb6 27.Qxb6 Rc1+ 28.Bf1 Qxb6 29.Rxb6 Bxf3 30.exf3 Ne5 31.Kg2 Nxf3 32.Kxf3 Rxf1 33.Rd6 Kg7 34.Rd7 Kf6 35.Ke3 Re1+ 36.Kf4 Rf1 37.f3 e5+ 38.Ke3 Re1+ 39.Kf2 Ra1 40.d4 exd4 41.Rxd4 Ra2+ 42.Ke3 Ra3+ 43.Kf4 Ra5 44.Rd6+ Kg7 45.Rb6 Ra4+ 46.Ke3 Ra3+ 47.Kf2 Ra2+ 48.Kg1 Ra1+ 49.Kg2 Ra2+ 50.Kh3 Ra3 51.f4 Rc3 52.Rd6 Rb3 53.f5 gxf5 54.Kg2 Ra3 55.Rb6 Rc3 1/2-1/2 | ||||
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| 1649309 | Sanchez Barreto, Josue Efrain (2046) | Koch, Ju (1993) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 d5 9.Nxd5 Bxa3 10.bxa3 Qa5+ 11.Bd2 Qd8 12.Bg5 Qa5+ 13.Bd2 Qd8 14.Nxf6+ Qxf6 15.Rb1 O-O 16.Bd3 Rd8 17.O-O Qe7 18.Rb3 Be6 19.Rc3 Rac8 20.Qb1 b5 21.a4 b4 22.Rxc6 Rxc6 23.Bxb4 Qc7 24.a5 Bc4 25.a3 Bxd3 26.cxd3 Rc2 27.Qb3 Rc1 28.Be1 Qc2 29.Qb6 Rxd3 30.Qxa6 h6 31.Qb5 Qb3 32.Qxb3 Rxb3 33.Bb4 Rxf1+ 34.Kxf1 Rd3 35.Ke2 Rd7 36.Ke3 Ra7 37.g3 f6 38.f4 Kf7 39.Kd3 Ke6 40.Kc4 Kd7 41.Kb5 Kc7 42.a6 exf4 43.gxf4 Kb8 44.e5 fxe5 45.fxe5 Rf7 46.Kb6 Rf5 47.Bd6+ Ka8 48.a4 g5 49.a5 g4 50.Kc6 h5 51.e6 Rf3 52.e7 Re3 53.Kd7 h4 54.e8=Q+ Rxe8 55.Kxe8 g3 56.hxg3 hxg3 57.Bxg3 Ka7 58.Bf4 Kxa6 59.Be3 1-0 | ||||
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| 1649594 | Koch, Ju (1993) | WCM Garcia Hernandez, Rebeca (1943) | 0-1 | |
| 1.Nf3 Nf6 2.c4 c5 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.h4 h5 7.a3 Nc6 8.Rb1 d5 9.cxd5 Nxd5 10.Nxd5 Qxd5 11.O-O c4 12.b3 Rd8 13.bxc4 Qxc4 14.d3 Qc5 15.Qb3 Be6 16.Be3 Qxe3 17.fxe3 Bxb3 18.Rxb3 Rd7 19.Rfb1 Rb8 20.Ng5 Nd8 21.Ne4 Ne6 22.Bh3 f5 23.Nd2 Nc5 24.Rb5 Rc7 25.Bg2 b6 26.Nc4 Bh6 27.Kf2 Bg7 28.Bd5+ Kh7 29.Nd2 e6 30.Bc4 Na4 31.R5b3 Nc5 32.R3b2 Na4 33.Rb3 Nc5 34.Rc3 Na4 35.Rcc1 Rc6 36.Bb5 Rxc1 37.Rxc1 Nc5 38.d4 Ne4+ 39.Nxe4 fxe4 40.Rc7 Rf8+ 41.Kg2 Kh8 42.Rxa7 Bh6 43.Rd7 Bxe3 44.a4 Rf2+ 45.Kh1 Rf1+ 46.Kh2 Rf2+ 47.Kh1 Rf1+ 48.Kh2 Bg1+ 49.Kh1 Bf2+ 50.Kg2 Rg1+ 51.Kxf2 Rc1 52.Kg2 e3 53.Kh2 Kg8 0-1 | ||||
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| 1648860 | IM Purtseladze, M (2261) | Koch, Ju (1993) | 1-0 | |
| 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Bg5 h6 6.Bxf6 Qxf6 7.Qa4+ Nc6 8.e3 O-O 9.Be2 a6 10.O-O dxc4 11.Bxc4 Bd7 12.Qb3 Bd6 13.Ne4 Qe7 14.Nxd6 cxd6 15.Qa3 b5 16.Bd3 Rfe8 17.Rac1 e5 18.Be4 b4 19.Qb3 Rac8 20.d5 Nb8 21.Qxb4 f5 22.Bb1 g5 23.Qb7 g4 24.Nd2 Qh4 25.Nc4 Qe7 26.Nb6 Red8 27.Nxc8 1-0 | ||||
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| 1649398 | WFM Nikulina, A (1875) | Koch, Ju (1993) | 1/2-1/2 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 d5 9.Nxd5 Bxa3 10.Nxf6+ gxf6 11.Qxd8+ Nxd8 12.Bxf6 Bxb2 13.Rd1 Bc3+ 14.Ke2 O-O 15.Bxd8 Bg4+ 16.f3 Rfxd8 17.fxg4 Rxd1 18.Kxd1 Rd8+ 19.Bd3 Rd4 20.Ke2 Ra4 21.Rb1 b5 22.Rb3 b4 23.Rb1 Rxa2 24.Rf1 a5 25.Rxf7 b3 26.Rc7 bxc2 27.Bxc2 Rxc2+ 28.Kd3 Rxg2 29.Rxc3 Rxg4 30.Rc5 a4 31.Rxe5 a3 32.Ra5 Rh4 33.Kd4 Rxh2 34.Rxa3 h5 35.Ra7 h4 36.Ke3 h3 37.Kf3 Rh1 38.Kg3 Kf8 39.e5 Re1 40.Kxh3 Rxe5 41.Kg4 Re7 42.Rxe7 1/2-1/2 | ||||
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| 1643052 | Koch, Ju (1993) | FM Goldin, R (2284) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bg5 Re8 10.Nd5 Nxd5 11.cxd5 c6 12.Bc4 b5 13.Bb3 c5 14.a4 c4 15.Bc2 b4 16.O-O Ba6 17.Rfc1 Nd7 18.Be3 Rec8 19.Nd2 f6 20.Bd1 f5 21.f3 Bf8 22.g3 Bc5 23.Kf2 f4 24.gxf4 exf4 25.Bxc5 Rxc5 26.Be2 Rac8 27.b3 c3 28.Nc4 Bxc4 29.Bxc4 Ne5 30.d6+ Rxc4 31.bxc4 Rxc4 32.Rab1 a5 33.Rc2 Kf7 34.Ke2 Ke6 35.Rd1 b3 0-1 | ||||
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| 1642823 | FM Lyutsinger, Iren (2277) | Koch, Ju (1993) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.c3 e5 6.Nxc6 dxc6 7.Qxd8+ Kxd8 8.Bg5 Be7 9.f3 h6 10.Be3 Be6 11.Nd2 Kc7 12.Bc4 Bxc4 13.Nxc4 Nd7 14.O-O-O f6 15.b4 a5 16.Nxa5 b6 17.Rxd7+ Kxd7 18.Bxb6 c5 19.a3 cxb4 20.axb4 Rhc8 21.Kb2 Rcb8 22.Nc4 Ke6 23.Kb3 Ra6 24.Ba5 Bd8 25.Ka4 Bxa5 26.Nxa5 Rc8 27.c4 Rca8 28.c5 f5 29.Kb5 fxe4 30.fxe4 R6a7 31.c6 Rxa5+ 32.bxa5 Kd6 33.Rd1+ Ke6 34.c7 1-0 | ||||
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| 1644125 | Koch, Ju (1993) | CM Sushanth, Kamabathula (2184) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 d6 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bg5 Re8 10.Nd5 Nxd5 11.cxd5 c6 12.Bc4 cxd5 13.Bxd5 Nd7 14.Nd2 Nb6 15.Bb3 Be6 16.Ke2 f6 17.Be3 Kf7 18.Rhc1 Rac8 19.Bxe6+ Kxe6 20.b3 Bf8 21.Bxb6 axb6 22.Rc4 Rxc4 23.Nxc4 Bc5 24.f3 Ra8 25.a3 b5 26.b4 Bd4 27.Ra2 bxc4 0-1 | ||||
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| 1644394 | FM Brilej, Jaka (2357) | Koch, Ju (1993) | 0-1 | |
| 1.g3 Nf6 2.Bg2 d5 3.b3 c5 4.Bb2 Nc6 5.Nf3 e6 6.e3 Be7 7.O-O O-O 8.d3 b6 9.c4 Bb7 10.Nc3 Qc7 11.cxd5 exd5 12.d4 Rfd8 13.Rc1 Rac8 14.dxc5 bxc5 15.Na4 Qa5 16.Ne5 Nxe5 17.Bxe5 Ba6 18.Re1 c4 19.Bd4 Bb4 20.Bc3 Bxc3 21.Rxc3 cxb3 22.Rxc8 Bxc8 23.axb3 Bf5 24.h3 Be4 25.Qe2 Bxg2 26.Kxg2 h6 27.Rd1 Qb4 28.Qc2 Rb8 29.Nc5 Rc8 30.Nd3 Rxc2 31.Nxb4 Rb2 32.Nxd5 Nxd5 33.Rxd5 Rxb3 34.Rd8+ Kh7 35.Rd7 Kg6 36.Rxa7 h5 37.Ra6+ f6 38.Ra5 Kh6 39.Kf3 Kg6 40.Ra6 Kh6 41.Kf4 Rb4+ 42.Kf3 Rb3 43.Rd6 Kg6 44.Rd4 Kh6 45.Ke2 Rb2+ 46.Rd2 Rb4 47.Rd3 Rb2+ 48.Rd2 Rb4 49.Kf3 Kg6 50.Rd8 Kh6 51.Rd3 Kg6 52.e4 Kh6 53.Ke3 Kg6 54.Rd4 Rb3+ 55.Rd3 Rb4 56.Kf4 Rb2 57.f3 Rb5 58.h4 Kh6 59.Rd6 Kg6 60.Re6 Ra5 61.Rb6 Rc5 62.Ra6 Rb5 63.Rd6 Ra5 64.Rd5 Ra3 65.Rd4 Ra5 66.Rb4 Rc5 67.g4 hxg4 68.Kxg4 Ra5 69.Rb6 Rc5 70.f4 Kf7 71.Rb7+ Kg6 72.h5+ Rxh5 73.Rxg7+ Kxg7 74.Kxh5 Kh7 75.Kg4 Kg6 0-1 | ||||
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| 1643886 | Koch, Ju (1993) | Clawitter, C (2050) | 1-0 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.d4 Be7 5.Bg2 O-O 6.O-O dxc4 7.Qc2 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bg5 Nc6 11.Rd1 Ra7 12.a3 Qa8 13.Ne1 Rd8 14.Bxf6 Bxf6 15.e3 Na5 16.Bxb7 Qxb7 17.Nc3 Nc6 18.Nd3 b4 19.Nc5 Qb8 20.N3e4 a5 21.Nxf6+ gxf6 22.Nxe6 fxe6 23.Qxc6 Rd6 24.Qc4 Raa6 25.axb4 Qxb4 26.Qxb4 axb4 27.Rxa6 Rxa6 28.Rc1 Ra2 29.Rxc7 Rxb2 30.Rb7 b3 31.e4 Rb1+ 32.Kg2 Rd1 33.Rxb3 Rxd4 34.f3 Rd2+ 35.Kh3 Kg7 36.Rb7+ Kg6 37.Re7 e5 38.f4 exf4 39.gxf4 h5 40.Re6 Kf7 41.f5 Rd3+ 42.Kh4 Rd2 43.Kxh5 Rxh2+ 44.Kg4 Ra2 45.Kf3 Ra3+ 46.Kf4 Ra4 47.Rb6 Ke7 48.Rb7+ Kf8 49.Ke3 Ke8 50.Kd3 Kf8 51.Rc7 Ke8 52.Rc4 Ra3+ 53.Kd4 Ra1 54.Kd5 Kd7 55.Rd4 Ra5+ 56.Kc4+ Ke7 57.Rd5 Ra4+ 58.Kd3 Ra3+ 59.Kd4 Ra4+ 60.Ke3 Rb4 61.Rd4 Rb3+ 62.Kf4 Rb1 63.e5 Rf1+ 64.Ke4 fxe5 65.Kxe5 Re1+ 66.Kf4 Rf1+ 67.Kg5 Rg1+ 68.Rg4 Rxg4+ 69.Kxg4 Kf6 70.Kf4 Kf7 71.Ke5 Ke7 72.f6+ Kf7 73.Kf5 Kf8 74.Kf4 1-0 | ||||
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| 1643654 | Koch, Ju (1993) | Montano Vicente, Guadalupe (2033) | 1-0 | |
| 1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.g3 dxc4 5.Bg2 Bb4+ 6.Bd2 a5 7.O-O O-O 8.a3 Bxd2 9.Qxd2 b5 10.Ne5 Nd5 11.e4 Ne7 12.a4 Nbc6 13.Nxc6 Nxc6 14.d5 Nb4 15.axb5 Rb8 16.Na3 Bb7 17.Nxc4 exd5 18.Nxa5 Qd6 19.Ra4 c5 20.bxc6 Nxc6 21.Nxb7 Rxb7 22.Qxd5 Qxd5 23.exd5 Ne5 24.b4 Rfb8 25.Rb1 g6 26.d6 Rb6 27.Rd1 Kf8 28.d7 Ke7 29.Ra7 Kd8 30.Re1 Nxd7 31.Rd1 1-0 | ||||
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| 1642641 | Rosenstock, Ephraim M (2040) | Koch, Ju (1993) | 1-0 | |
| 1.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.d4 Bb4 6.Bg5 h6 7.Bh4 g5 8.Bg3 Ne4 9.Rc1 h5 10.h4 Bxc3+ 11.bxc3 Nxg3 12.fxg3 g4 13.Ne5 c6 14.e4 Nd7 15.Nxd7 Bxd7 16.e5 Qa5 17.Qd2 O-O-O 18.Bd3 f6 19.O-O fxe5 20.dxe5 Qc5+ 21.Qf2 Qxf2+ 22.Rxf2 Rde8 23.Re1 Be6 24.Bg6 Re7 25.Rf6 Kd7 26.a4 b6 27.Rd1 c5 28.Be4 Rf7 29.Bxd5 Rxf6 30.exf6 Bxd5 31.Rxd5+ Ke6 32.Rd2 Kxf6 33.Rd7 Re8 34.Kf2 Re4 35.Rxa7 Rc4 36.Ra6 Ke5 37.Rxb6 Rxa4 38.Rh6 Ke4 39.Rxh5 Ra2+ 40.Kg1 c4 41.Rg5 Kd3 42.Rxg4 Kxc3 43.h5 Ra5 44.h6 Ra8 45.Rf4 Kd3 46.g4 c3 47.g5 c2 48.Rf3+ Kd4 49.Rf1 Rb8 50.h7 Rb1 51.h8=Q+ 1-0 | ||||
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| 1644446 | Koch, Ju (1993) | CM Sarveshwaran V (2290) | 1/2-1/2 | |
| 1.c4 e5 2.Nc3 f5 3.g3 Nf6 4.Bg2 d6 5.d3 g6 6.e4 Bg7 7.Nge2 O-O 8.O-O Nc6 9.Be3 f4 10.gxf4 exf4 11.Bxf4 Nh5 12.Bg3 Nxg3 13.fxg3 Bg4 14.Rxf8+ Qxf8 15.Qf1 Qe7 16.Qf4 Bxe2 17.Nxe2 Bxb2 18.Rb1 Rf8 19.Qd2 Bf6 20.d4 Qg7 21.e5 dxe5 22.Bd5+ Kh8 23.Bxc6 bxc6 24.dxe5 Bxe5 25.Nf4 Qf7 26.Rf1 g5 27.Ng6+ Qxg6 28.Rxf8+ Kg7 29.Rf1 c5 30.Qd7+ Kh6 31.Qh3+ Kg7 32.Qd7+ Kh6 33.Qh3+ Kg7 34.Qd7+ 1/2-1/2 | ||||
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| 1643451 | WFM Subramanian, Anusha (2056) | Koch, Ju (1993) | 1-0 | |
| 1.c4 c5 2.Nc3 Nf6 3.Nf3 g6 4.e4 d6 5.d4 cxd4 6.Nxd4 Nc6 7.Be3 Ng4 8.Qd2 Nxe3 9.Qxe3 Bg7 10.Nc2 O-O 11.Be2 Be6 12.O-O Rc8 13.Rac1 b6 14.Rfd1 Na5 15.b3 Qc7 16.Nd4 Qc5 17.Nd5 Bxd5 18.exd5 Bxd4 19.Qxd4 Qxd4 20.Rxd4 Nb7 21.Re4 Rc7 22.Re1 Nc5 23.Re3 e5 24.dxe6 fxe6 25.Bg4 e5 26.Rd1 Rf6 27.Bf3 Kg7 28.Bd5 a5 29.f3 g5 30.Re2 Kf8 31.Red2 Ke7 32.Kf2 Rc8 33.Ke3 h5 34.h3 Rh8 35.Be4 Rhf8 36.Bc2 Rf4 37.Bg6 R4f6 38.Bxh5 Ne6 39.Rxd6 Nd4 40.Rd5 a4 41.Rxe5+ 1-0 | ||||
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| 1643200 | Koch, Ju (1993) | GM Gutman, G (2445) | 0-1 | |
| 1.Nf3 c6 2.c4 d5 3.d4 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Bd3 Bg6 9.a3 Be7 10.O-O O-O 11.Rc1 Rc8 12.Na4 Bxd3 13.Qxd3 Ne4 14.Nd2 f5 15.f3 Nxd2 16.Qxd2 Na5 17.Nc5 Bxc5 18.dxc5 Nb3 19.Qb4 Nxc1 20.Rxc1 Qd7 21.Bd6 Rfd8 22.Qd2 Qc6 23.b4 Rxd6 24.cxd6 Qxc1+ 25.Qxc1 Rxc1+ 26.Kf2 Rc8 0-1 | ||||
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| 1643994 | WFM Tran Le Vy (1973) | Koch, Ju (1993) | 0-1 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5 6.Bxb5 Qxd5 7.Bxc6+ Qxc6 8.O-O h6 9.Nf3 Bd6 10.Re1 Bb7 11.d3 O-O 12.Nc3 Rad8 13.Be3 e4 14.Nd4 Qd7 15.dxe4 Nxe4 16.Nxe4 Bxe4 17.f3 Bb7 18.c3 c5 19.Nb3 Qc7 20.Qe2 Bxh2+ 21.Kh1 Bg3 22.Red1 Qe5 23.Kg1 Qh5 24.Bxc5 Rde8 25.Qc4 Qh2+ 26.Kf1 Qh1+ 27.Bg1 Bxf3 0-1 | ||||
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| 1638409 | Koch, Ju (1970) | FM Federer, Colin (2294) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bg5 c6 10.Nxe5 Re8 11.O-O-O h6 12.Bh4 Nxe4 13.Nxe4 Bxe5 14.Bf3 Bf5 15.Nf6+ Bxf6 16.Bxf6 Nd7 17.Bc3 Ne5 18.Bxe5 Rxe5 19.Rhe1 Rc5 20.b3 b5 21.g4 Be6 22.Rd6 bxc4 23.Rxc6 Rxc6 24.Bxc6 Rc8 25.Rxe6 fxe6 26.Bd7 Rc7 27.Bxe6+ Kg7 28.bxc4 Kf6 29.Bd5 Ke5 30.Kc2 Kf4 31.f3 g5 32.Kc3 Ke5 33.Be4 a5 34.a4 Rc8 35.Bf5 Rb8 36.Be4 Rb4 37.Bc6 Kd6 38.Be8 Kc5 39.Bd7 Rxc4+ 40.Kd3 Rf4 41.Ke3 Kc4 42.h4 Kc3 43.hxg5 hxg5 44.Bb5 Rb4 45.Bc6 Rb6 46.Be4 Rf6 47.Bd5 Rf8 48.Ke4 Rf4+ 49.Ke3 Rxa4 50.Bc6 Rd4 0-1 | ||||
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| 1639713 | Bryant, Harry (2166) | Koch, Ju (1970) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d4 exd4 5.e5 Ne4 6.cxd4 d5 7.exd6 Nxd6 8.Nc3 Be7 9.Bd3 O-O 10.h3 Bf6 11.O-O Nb4 12.Bb1 c6 13.a3 Nd5 14.Nxd5 cxd5 15.Bf4 Ne4 16.Re1 Bf5 17.Ne5 Qb6 18.Ra2 Bxe5 19.Bxe5 f6 20.Bf4 Bg6 21.f3 Nd6 22.Bxg6 hxg6 23.b4 Nc4 24.Rae2 Rf7 25.Qd3 Qa6 26.Qxg6 Raf8 27.Re7 f5 28.Rxf7 Qxg6 29.Rxb7 Rf7 30.Rb8+ Kh7 31.Ree8 Qf6 32.h4 Re7 33.Rh8+ Kg6 34.h5+ Kf7 35.Rhf8+ Ke6 36.Rxf6+ gxf6 37.h6 Nxa3 38.Rg8 Rh7 39.Rg7 Rxg7 40.hxg7 Kf7 41.Bh6 Nc2 42.Kf2 Nxd4 43.Bd2 Nc6 44.b5 Nd4 45.Be3 Nxb5 46.Ke2 a5 47.Bd2 a4 48.Bc1 a3 49.Kd3 a2 50.Bb2 Na3 51.g8=N Nc4 52.Nh6+ Kg6 53.Ba1 Ne5+ 54.Kd4 1-0 | ||||
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| 1639213 | Koch, Ju (1970) | FM Ljukin, S (2362) | 0-1 | |
| 1.Nf3 d5 2.d4 Nf6 3.c4 c6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O Nbd7 9.Bd3 Bg4 10.h3 Bh5 11.Qe2 O-O 12.e4 Bxf3 13.Qxf3 e5 14.d5 Nc5 15.Bg5 Bxc3 16.bxc3 cxd5 17.Bxf6 Qxf6 18.Qxf6 gxf6 19.Bc2 dxe4 20.Rfe1 f5 21.g4 fxg4 22.hxg4 f5 23.gxf5 Rxf5 24.Bxe4 Rg5+ 25.Kf1 Rf8 26.Bd5+ Kg7 27.Re3 Rf4 28.Ke2 Kf6 29.Rg3 Rxa4 30.Rxa4 Nxa4 31.Rf3+ Rf5 32.c4 Rxf3 33.Bxf3 Nc5 34.Ke3 e4 35.Bd1 Ke5 0-1 | ||||
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| 1639997 | Koch, Ju (1970) | CM Winkels, M (1905) | 1-0 | |
| 1.Nf3 d6 2.d4 e5 3.dxe5 Nc6 4.Nc3 Bg4 5.Bg5 Be7 6.Bxe7 Ngxe7 7.exd6 cxd6 8.e3 O-O 9.Be2 d5 10.O-O a6 11.Nd4 Nxd4 12.Qxd4 Bf5 13.Bd3 Be6 14.Rad1 Nc6 15.Qf4 Qb6 16.e4 d4 17.Nd5 Qxb2 18.Rb1 Qxa2 19.Rxb7 Bxd5 20.exd5 Qxd5 21.Be4 Qe5 22.Qh4 g6 23.Bxc6 a5 24.Qe4 Qc5 25.Bd5 Rac8 26.Rc1 a4 27.h4 a3 28.h5 Kg7 29.hxg6 hxg6 30.Qe5+ Kh6 31.Qh2+ Kg7 32.Qe5+ Kh6 33.Qe4 Rce8 34.Qf3 f5 35.Qh3+ Kg5 36.Qg3+ Kf6 37.Qc7 Qxd5 38.Qg7+ Kg5 39.f4+ Kxf4 40.Qh6+ Ke4 41.Re1# 1-0 | ||||
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| 1638982 | WIM Pavlidou, E (2217) | Koch, Ju (1970) | 0-1 | |
| 1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Bb4 5.e3 h6 6.Bxf6 Qxf6 7.Rc1 O-O 8.a3 Bxc3+ 9.Rxc3 c6 10.Nf3 Nd7 11.Be2 e5 12.cxd5 e4 13.Nd2 cxd5 14.O-O Qg6 15.f3 Nf6 16.f4 Bh3 17.Rf2 Ng4 18.Bxg4 Bxg4 19.Qb3 Qd6 20.Nf1 b6 21.h3 Bd7 22.Qb4 Qxb4 23.axb4 Rfc8 24.Rfc2 Rxc3 25.Rxc3 Rc8 26.Rxc8+ Bxc8 27.g4 Kf8 28.Ng3 Ke7 29.Kf2 Kd6 30.f5 Kc6 31.Nh5 g6 32.fxg6 fxg6 33.Nf4 h5 34.Kg3 hxg4 35.hxg4 g5 36.Ng6 Kb5 37.Ne7 Bb7 38.Nf5 Kxb4 39.Nd6 Bc6 40.Nf7 Kb3 41.Nxg5 Kxb2 42.Nf7 Be8 43.Nd6 Bg6 44.Kf4 a5 45.Kg5 a4 46.Kxg6 a3 47.g5 a2 48.Kf7 a1=Q 49.g6 Qf1+ 50.Kg8 Qf6 0-1 | ||||
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| 1639517 | CM Escudero Ribo, Eloi (2201) | Koch, Ju (1970) | 1-0 | |
| 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Bc4 Nb6 6.Bb3 d5 7.cxd4 Bf5 8.Nc3 e6 9.Nf3 Be7 10.O-O O-O 11.Bc2 Bxc2 12.Qxc2 Nc6 13.a3 Rc8 14.Qd3 Na5 15.Bf4 Nd7 16.Rac1 Nc4 17.Rc2 a6 18.Rfc1 b5 19.a4 b4 20.Ne2 a5 21.b3 Ncb6 22.Rxc8 Nxc8 23.Qb5 h6 24.Ne1 g5 25.Be3 Kg7 26.Nd3 f6 27.f4 fxe5 28.Nxe5 Nxe5 29.dxe5 gxf4 30.Nxf4 Rxf4 31.Bxf4 Bg5 32.Qb7+ Ne7 33.Bxg5 hxg5 34.Qc7 Qf8 35.Rf1 Qe8 36.Qxa5 Qb8 37.Qc5 Nf5 38.g4 Nh4 39.Qe7+ 1-0 | ||||
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| 1638799 | Koch, Ju (1970) | CM Bahmani, Koorosh (2205) | 0-1 | |
| 1.Nf3 d5 2.d4 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.c4 c6 7.Nc3 Nbd7 8.cxd5 cxd5 9.Ne5 e6 10.f4 Nb6 11.Be3 Bd7 12.Rc1 Rc8 13.b3 Qe7 14.Qd2 Rfd8 15.Bf2 Ne8 16.Rfd1 Nd6 17.Qe1 f6 18.Nd3 Bc6 19.Nc5 e5 20.dxe5 fxe5 21.Nxd5 Nxd5 22.Bxd5+ Bxd5 23.Rxd5 exf4 24.gxf4 b6 25.Nd3 Ne4 26.Rxd8+ Rxd8 27.Qb4 Qxb4 28.Nxb4 Rd2 29.Rc8+ Bf8 30.Bh4 Kf7 31.Rc7+ Ke6 32.Kf1 Bxb4 33.Be1 Rd1 0-1 | ||||
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| 1639335 | Koch, Ju (1970) | FM Burmakin, E (2110) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bg5 Re8 10.Nd5 Nxd5 11.cxd5 c6 12.Bc4 b5 13.Bb3 Bb7 14.Rc1 Rc8 15.dxc6 Bxc6 16.Bd5 a5 17.O-O Ra6 18.Rc5 Bf8 19.Rc2 Re8 20.Rfc1 Bxd5 21.exd5 f6 22.Be3 Bd6 23.h4 Kg7 24.g3 h6 25.Nd2 g5 26.hxg5 hxg5 27.Ne4 Kg6 28.Nxd6 Rxd6 29.Rc8 Rxc8 30.Rxc8 Nd7 31.Ra8 a4 32.b3 axb3 33.axb3 Rxd5 34.Ra7 g4 35.Kg2 Kf5 36.b4 Ke4 37.Rc7 Kd3 38.Bc5 f5 39.Be7 f4 40.gxf4 exf4 41.Rc1 Ne5 42.Rd1+ Kc4 43.Rxd5 Kxd5 44.Bf6 Nd3 45.Bg5 Kc4 46.Be7 Nxb4 0-1 | ||||
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| 127648 | Koch, Ju (2001) | IM Schnaider, Ilan (2384) | 0-1 | |
| 1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.b3 Bf5 5.Bb2 e6 6.Be2 h6 7.O-O Nbd7 8.d4 Be7 9.Nc3 O-O 10.Nd2 Nb6 11.Rc1 a5 12.c5 Nbd7 13.Na4 Rb8 14.Bc3 Qc7 15.f4 Ra8 16.Bb2 Bh7 17.Qe1 Rfc8 18.Nf3 b5 19.cxb6 Nxb6 20.Nc5 Nbd7 21.Nxd7 Nxd7 22.Ne5 Nxe5 23.fxe5 Bg6 24.Qd2 Qb7 25.Bd3 Bxd3 26.Qxd3 a4 27.e4 axb3 28.axb3 dxe4 29.Qxe4 Qxb3 30.Rb1 Qd5 31.Qxd5 cxd5 32.Bc1 Rc2 33.Rf2 Rc4 34.Be3 Ra3 35.Rb8+ Kh7 36.Rxf7 Rxe3 37.Rxe7 Re2 38.Rb1 Rcc2 39.Rxe6 Rxg2+ 40.Kf1 Rcf2+ 41.Ke1 Rxh2 42.Reb6 Ra2 0-1 | ||||
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| 155946 | FM Dilmukhametov, Artur (2276) | Koch, Ju (2001) | 1-0 | |
| 1.d4 Nf6 2.Nc3 d5 3.e4 dxe4 4.f3 c5 5.d5 e6 6.Bb5+ Bd7 7.fxe4 Bxb5 8.Nxb5 Qa5+ 9.Nc3 exd5 10.exd5 Be7 11.d6 Bd8 12.Qe2+ Kd7 13.Be3 Nd5 14.Qg4+ Kc6 15.Qe4 c4 16.Qxc4+ Kxd6 17.O-O-O 1-0 | ||||
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| 154688 | Koch, Ju (2001) | FM Aditya, Varun Gampa (2190) | 0-1 | |
| 1.c4 g6 2.g3 Bg7 3.Bg2 d6 4.Nc3 Nc6 5.Nf3 Bd7 6.Rb1 Qc8 7.h4 e5 8.d3 Nge7 9.Bd2 O-O 10.Qc1 Nd4 11.Nxd4 exd4 12.Nd5 Nxd5 13.cxd5 Re8 14.e4 dxe3 15.Bxe3 Bd4 16.O-O Rxe3 17.Qc4 Rxg3 18.Kh2 Rxg2+ 19.Kxg2 Bh3+ 0-1 | ||||
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| 155462 | CM Murawski, Jan (2079) | Koch, Ju (2001) | 1-0 | |
| 1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Bg5 Bb4 5.e3 h6 6.Bxf6 Qxf6 7.Qa4+ Nc6 8.cxd5 exd5 9.Nf3 O-O 10.Be2 a6 11.O-O Be6 12.Rac1 Bd6 13.Qb3 Ne7 14.Na4 b6 15.Qc3 g5 16.Ne5 Ng6 17.Nxg6 Qxg6 18.Qc6 Rfd8 19.Bf3 g4 20.Bd1 Qh5 21.g3 Bf5 22.Bc2 Bxc2 23.Qxc2 Qg6 24.Qxg6+ fxg6 25.Nc3 Bb4 26.a3 Bxc3 27.Rxc3 c5 28.dxc5 bxc5 29.Rxc5 d4 30.exd4 Rxd4 31.Re1 Rf8 32.Rc2 h5 33.Kg2 a5 34.h4 gxh3+ 35.Kxh3 a4 36.Re7 Rf7 37.Re6 Kg7 38.Kg2 Rg4 39.Ra6 h4 40.Kh3 Rd4 41.gxh4 Rxf2 42.Rxf2 1-0 | ||||
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| 157272 | Koch, Ju (2001) | Miserendino, A (2032) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 c5 7.d5 b5 8.cxb5 a6 9.a4 axb5 10.Bxb5 Ba6 11.Bxa6 Rxa6 12.Nd2 Nbd7 13.O-O Rb6 14.Nb5 Qc8 15.Nc4 Rb8 16.f3 Qa6 17.Bd2 Rfc8 18.Qc2 Nb6 19.Nxb6 Rxb6 20.Bc3 Rcb8 21.g4 Nd7 22.Bxg7 Kxg7 23.Qc3+ Kg8 24.f4 Nf6 25.Qf3 Qa5 26.e5 Ne8 27.e6 fxe6 28.dxe6 Qd2 29.Rf2 Qb4 30.f5 g5 31.Qe3 h6 32.f6 Nxf6 33.Rxf6 Qxg4+ 34.Kh1 exf6 35.e7 Re8 36.Nc7 Rxb2 37.Rg1 Qd7 38.Nxe8 Qc6+ 0-1 | ||||
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| 157017 | CM Yevchenko, A (2276) | Koch, Ju (2001) | 1/2-1/2 | |
| 1.c4 e6 2.e4 d5 3.exd5 exd5 4.cxd5 Nf6 5.Nc3 c6 6.dxc6 Nxc6 7.Nf3 Bc5 8.Bb5 O-O 9.O-O Bg4 10.Be2 Re8 11.h3 Bh5 12.d3 Qe7 13.Bg5 h6 14.Bxf6 Qxf6 15.Ne4 Qe7 16.Nxc5 Qxe2 17.Qxe2 Rxe2 18.Nxb7 Bxf3 19.gxf3 Rxb2 20.Nc5 Nd4 21.Kg2 Rc8 22.Rfc1 Ne2 23.Rc4 Nf4+ 24.Rxf4 Rxc5 25.Ra4 Rcc2 26.Rf1 Rxa2 27.Rxa2 Rxa2 28.f4 Rd2 29.Ra1 Rxd3 30.Rxa7 g6 31.Ra6 Kg7 32.Rb6 h5 33.Ra6 Rc3 34.Rb6 Rd3 35.Ra6 Rc3 36.Rb6 Rd3 1/2-1/2 | ||||
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| 155229 | Koch, Ju (2001) | Zheenbekov, N (2065) | 0-1 | |
| 1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.d4 Bb4+ 5.Bd2 Be7 6.Bg2 O-O 7.O-O c6 8.Bg5 Nbd7 9.Nc3 h6 10.Bc1 b6 11.Ne5 Bb7 12.b3 Rc8 13.Bb2 Ba8 14.e4 dxe4 15.Nxe4 Nxe4 16.Bxe4 Nf6 17.Bg2 c5 18.Bxa8 Rxa8 19.Nc6 Qc7 20.Nxe7+ Qxe7 21.d5 exd5 22.Bxf6 Qxf6 23.Qxd5 Rad8 24.Qb7 a5 25.Rad1 Rd4 26.Rfe1 Rfd8 27.Rxd4 cxd4 28.Qe4 d3 29.Rd1 d2 30.Qc2 Qd4 31.Kf1 h5 32.Ke2 Qg4+ 33.Kf1 Qf3 34.Kg1 Qe2 35.Kg2 h4 36.gxh4 g6 37.h5 Rd4 38.h3 Rf4 39.Rf1 Qf3+ 40.Kg1 Qxh3 41.f3 Qg3+ 42.Kh1 Rh4# 0-1 | ||||
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| 156255 | Koch, Ju (2001) | FM Marcziter, D (2210) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 Na6 7.O-O c5 8.d5 e6 9.h3 Re8 10.Bf4 exd5 11.exd5 Nc7 12.Re1 Nh5 13.Bh2 f5 14.Nd2 Nf6 15.Nf3 Nh5 16.Nd2 Nf6 17.Nf3 a6 18.a4 Ne4 19.Qc2 Nxc3 20.bxc3 Qf6 21.Bd3 Bd7 22.Rab1 Rab8 23.Rxe8+ Nxe8 24.Rb6 Qxc3 25.Bxd6 Nxd6 26.Rxd6 Qa1+ 27.Kh2 Bxa4 28.Qb1 Be5+ 29.g3 Qxb1 30.Rxg6+ hxg6 31.Bxb1 Bd6 0-1 | ||||
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| 156526 | WFM Subramanian, Anusha (2026) | Koch, Ju (2001) | 1-0 | |
| 1.c4 e6 2.Nc3 d5 3.e3 c5 4.cxd5 exd5 5.d4 Nf6 6.Nf3 Nc6 7.Bb5 cxd4 8.Nxd4 Bd7 9.O-O a6 10.Be2 Bd6 11.h3 O-O 12.Bf3 Be6 13.b3 Rc8 14.Bb2 Bb8 15.Nxe6 fxe6 16.Rc1 Qd6 17.g3 Ne5 18.Bg2 Ng6 19.Qd2 h5 20.Qd3 Ne5 21.Qe2 h4 22.f4 Nc6 23.g4 d4 24.Ne4 Nxe4 25.Bxe4 dxe3 26.Rcd1 Qb4 27.Rd7 Rf7 28.Bh7+ Kf8 29.Qd3 Rxd7 30.Qxd7 Rc7 31.Bxg7# 1-0 | ||||
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| 155771 | Koch, Ju (2001) | WFM Kuchava, A (2094) | 0-1 | |
| 1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.g3 Bb4+ 5.Bd2 Be7 6.Bg2 O-O 7.O-O c6 8.b3 b6 9.Nc3 Ba6 10.Ne5 Nfd7 11.cxd5 cxd5 12.Nxd7 Nxd7 13.Re1 Rc8 14.Rc1 Ba3 15.Rb1 Qe7 16.Bf1 Nf6 17.e3 Bxf1 18.Rxf1 Rc6 19.Nb5 Bd6 20.Nxd6 Qxd6 21.Rc1 Rfc8 22.Rxc6 Qxc6 23.Qc1 Ne4 24.Qxc6 Rxc6 25.Rc1 Rxc1+ 26.Bxc1 Nc3 27.Bd2 Nxa2 28.Kf1 a5 29.Ke2 f6 30.Kd3 e5 31.Kc2 Kf7 32.Kb2 Nb4 33.Bxb4 axb4 34.Kc2 e4 35.Kd2 Kg6 36.Ke2 Kg5 37.h3 f5 38.f3 exf3+ 39.Kxf3 Kf6 40.h4 h6 41.g4 fxg4+ 42.Kxg4 g5 43.hxg5+ hxg5 44.Kg3 Kf5 45.Kf3 b5 46.e4+ dxe4+ 47.Ke3 g4 48.d5 Ke5 49.d6 Kxd6 50.Kxe4 Kc5 51.Kf4 Kd4 52.Kxg4 Kc3 53.Kf3 Kxb3 54.Ke3 Kc2 0-1 | ||||
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| 172091 | FM Kovalevsky, Stanislav (2098) | Koch, Ju (2001) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.Re1 Nd6 6.Bxc6 dxc6 7.Nxe5 Be7 8.d4 O-O 9.Nd2 Bf5 10.Ndf3 Re8 11.c3 Bf6 12.Bf4 Bg6 13.Bg3 Nf5 14.Nxg6 hxg6 15.Rxe8+ Qxe8 16.Bxc7 Qe6 17.Qb3 Qd7 18.Be5 b6 19.Re1 Re8 20.h3 Nh4 21.Nxh4 Bxh4 22.Qd1 Bf6 23.Bxf6 Rxe1+ 24.Qxe1 gxf6 25.Qe4 Kg7 26.c4 f5 27.Qe5+ f6 28.Qe3 Qd6 29.b3 a5 30.g3 g5 31.Kg2 a4 32.bxa4 Qb4 33.Qb3 Qa5 34.d5 cxd5 35.cxd5 Qc5 36.Qb5 Qd6 37.Qc6 Qe5 38.Qe6 Qxe6 39.dxe6 Kf8 40.Kf3 Ke7 41.h4 gxh4 42.gxh4 Kxe6 43.Kf4 Kf7 44.Kxf5 Kg7 45.h5 Kh6 46.Kxf6 Kxh5 47.Ke6 1-0 | ||||
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| 173641 | CM Modric, N (2088) | Koch, Ju (2001) | 1-0 | |
| 1.d4 Nf6 2.Bg5 e6 3.Nd2 d5 4.e3 c5 5.c3 Nc6 6.Bd3 Bd6 7.Ngf3 h6 8.Bh4 g5 9.Bg3 c4 10.Bc2 Qc7 11.Qe2 b5 12.a3 Bb7 13.e4 Bxg3 14.hxg3 O-O-O 15.e5 Nd7 16.g4 Nf8 17.O-O-O Ng6 18.g3 a5 19.Rh5 b4 20.Rdh1 bxa3 21.bxa3 Qe7 22.Nb1 f5 23.gxf5 Nf8 24.Rxh6 Rxh6 25.Rxh6 exf5 26.Bxf5+ Kb8 27.Qb2 Ka8 28.Qb6 Rb8 29.Rxc6 Bxc6 30.Qxc6+ Ka7 31.Qxd5 Rxb1+ 32.Kxb1 Qxa3 33.Qc5+ Qxc5 34.dxc5 1-0 | ||||
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| 173405 | Koch, Ju (2001) | FM Shymanskyi, Oleksandr (2218) | 0-1 | |
| 1.Nf3 c5 2.c4 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nc3 d6 6.a3 a5 7.Rb1 e5 8.O-O Nge7 9.Nd5 Be6 10.Ne1 O-O 11.Nc2 a4 12.b4 axb3 13.Rxb3 Na5 14.Rb5 Nxc4 15.Nxe7+ Qxe7 16.Rxb7 Qd8 17.d3 Na5 18.Rb5 Rb8 19.Rxb8 Qxb8 20.Be3 f5 21.Qb1 Nb3 22.Na1 f4 23.Bc1 Nd4 24.Qxb8 Nxe2+ 25.Kh1 Rxb8 26.gxf4 exf4 27.Nc2 Rb1 28.Bd2 Rxf1+ 29.Bxf1 Bd5+ 30.Bg2 f3 31.Bh3 Bc3 32.Bxc3 Nxc3 33.Ne3 Bc6 34.Be6+ Kg7 35.h4 Kf6 36.Bc4 d5 37.Kh2 dxc4 0-1 | ||||
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| 173920 | Koch, Ju (2001) | CM Jayasundara, P (1874) | 0-1 | |
| 1.Nf3 c5 2.c4 g6 3.Nc3 Bg7 4.e3 Nf6 5.d4 cxd4 6.exd4 O-O 7.Be2 d5 8.c5 Nc6 9.O-O Ne4 10.Be3 Nxc3 11.bxc3 b6 12.cxb6 axb6 13.h3 Na5 14.Qa4 Qc7 15.Rfc1 Bd7 16.Qb4 Rfb8 17.c4 Nxc4 18.Bxc4 dxc4 19.Rxc4 Qd8 20.Ne5 Be8 21.Nc6 Bxc6 22.Rxc6 b5 23.a3 Ra4 24.Qc5 b4 25.Rc1 bxa3 26.Rc8 Rxc8 27.Qxc8 Ra8 28.Qc4 e5 29.dxe5 Bxe5 30.Rc2 Qd1+ 0-1 | ||||
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| 172669 | Dubrovich, I (2042) | Koch, Ju (2001) | 0-1 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 h6 5.O-O d6 6.Re1 g5 7.a4 Bg7 8.a5 a6 9.Nc3 O-O 10.Ne2 Be6 11.Bxe6 fxe6 12.c3 Nh5 13.Qb3 Qd7 14.Qxb7 Rfb8 15.Qxa8 Rxa8 16.d4 exd4 17.cxd4 e5 18.d5 Nd4 19.Nexd4 exd4 20.Bd2 Rf8 21.Rac1 Nf4 22.Bxf4 Rxf4 23.Rc6 Qg4 24.h3 Qd7 25.Rec1 Rxf3 26.gxf3 Qxh3 27.Rxc7 Be5 28.Rc8+ Kg7 29.R1c7+ Kg6 30.Rg8+ Kh5 31.f4 Bxf4 32.f3 Be3# 0-1 | ||||
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| 172429 | Koch, Ju (2001) | GM Mirzoev, A (2442) | 0-1 | |
| 1.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 h5 5.h4 Nc6 6.a3 Nh6 7.Rb1 a5 8.Nf3 Nf5 9.d3 b6 10.e4 Nfd4 11.Nxd4 cxd4 12.Nb5 Bb7 13.O-O d6 14.f4 Qd7 15.f5 gxf5 16.Bh3 Be5 17.Bxf5 e6 18.Bh3 Bxg3 19.Qf3 Be5 20.Bg5 Bg7 21.Kh1 Ne5 22.Qe2 Ng4 23.Bxg4 hxg4 24.Qxg4 f5 25.Qf4 Be5 26.Qf2 fxe4 27.dxe4 Bxe4+ 28.Kg1 Bc6 29.Nxd4 Bxd4 30.Qxd4 e5 31.Qf2 Qg4+ 32.Kh2 Qxg5 33.Qf7+ Kd8 34.Qf6+ Qxf6 35.Rxf6 Kc7 0-1 | ||||
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| 171696 | Koch, Ju (2001) | CM Ugorek, Kacper (2226) | 0-1 | |
| 1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Nf3 O-O 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bg5 Re8 10.Nd5 Nxd5 11.cxd5 c6 12.Bc4 cxd5 13.Bxd5 h6 14.Be3 Nc6 15.O-O-O Be6 16.Kb1 Bxd5 17.Rxd5 Red8 18.Rhd1 b6 19.a3 Rxd5 20.Rxd5 Rd8 21.Rxd8+ Nxd8 22.Nd2 Kf8 23.Nc4 Ke7 24.Kc2 Nc6 25.Kd3 Ke6 26.g3 h5 27.f4 exf4 28.gxf4 b5 29.Nd2 Bxb2 30.Nb1 a6 31.Kc2 Bf6 32.Nc3 Be7 33.Kb3 Na5+ 34.Ka2 Bxa3 35.Nd5 Bd6 36.Bb6 Nc4 37.Bd4 f5 38.Nb6 Nxb6 39.exf5+ Kxf5 40.Bxb6 Bxf4 0-1 | ||||
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| 174524 | WFM Adam, Ernestina (2249) | Koch, Ju (2001) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 h6 5.a4 d6 6.Nc3 g5 7.a5 a6 8.O-O Bg7 9.Nd5 O-O 10.c3 Nxd5 11.Bxd5 Ne7 12.Bc4 Be6 13.Bxe6 fxe6 14.Qb3 Qd7 15.Be3 Ng6 16.d4 Kh7 17.Rad1 exd4 18.Nxd4 Bxd4 19.cxd4 e5 20.dxe5 Nxe5 21.Qxb7 Rab8 22.Qxa6 Rxb2 23.Bd4 Qb5 24.Qxb5 Rxb5 25.Ra1 Nc6 26.Bc3 Ra8 27.a6 Rb6 28.Ba5 Rbxa6 29.Bc3 Rxa1 30.Rxa1 Rxa1+ 31.Bxa1 Nb4 32.Kf1 Nc2 33.Bc3 c5 34.Ke2 Kg6 35.Kd3 Na3 36.Ba5 Nb5 37.Kc4 Nd4 38.Kd5 Ne2 39.Kxd6 c4 40.e5 Kf7 41.Kd7 Nd4 42.Bc3 Ne6 43.Kd6 h5 44.g3 g4 45.Kd5 Ng5 46.Kxc4 Ke6 47.Kd3 Nf3 48.Ke3 Nxh2 49.Kf4 Nf3 50.Ba1 Nh2 51.Bb2 Nf3 52.Ba1 Nh2 53.Kg5 Nf3+ 54.Kxh5 Nxe5 55.Bxe5 Kxe5 56.Kxg4 Kf6 57.Kf4 Kg6 58.Ke5 Kg5 59.f4+ Kg6 60.Ke6 1-0 | ||||
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| 171456 | Koch, Ju (2001) | FM Zeman, Matyas (2320) | 1/2-1/2 | |
| 1.Nf3 d5 2.c4 e6 3.d4 Nf6 4.g3 Bb4+ 5.Bd2 a5 6.Bg2 O-O 7.O-O dxc4 8.a3 Bxd2 9.Qxd2 b5 10.Ne5 Nd5 11.e4 Nb6 12.Nc3 Ba6 13.Rfd1 c6 14.d5 Qd6 15.Qf4 f6 16.Nxc6 Qxf4 17.gxf4 Nxc6 18.dxc6 b4 19.axb4 axb4 20.Na4 Rab8 21.Nc5 Bb5 22.c7 Rbc8 23.Nxe6 Rfe8 24.f5 Bd7 25.Rd6 Bxe6 26.Rxb6 Bf7 27.Ra7 c3 28.bxc3 bxc3 29.Rc6 Re7 30.Rxc3 Kf8 31.Rb7 Ke8 32.Rb8 Kd7 33.Rxc8 Kxc8 34.f4 Rxc7 35.Rxc7+ Kxc7 36.e5 g6 37.fxg6 hxg6 38.exf6 Kd6 39.Kf2 Ke6 40.Ke3 Kxf6 41.Be4 Be6 42.Kf3 Bd7 43.Kg3 Bc8 44.h4 Bd7 45.Bf3 Bc8 46.Bg4 Bb7 47.h5 gxh5 48.Bxh5 Be4 49.Bf3 Bf5 50.Bg4 Be4 1/2-1/2 | ||||
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| 173001 | WFM Shokirjonova, Barchinoy (2061) | Koch, Ju (2001) | 0-1 | |
| 1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 Bb4 5.Qa4+ Nc6 6.e3 O-O 7.Bd2 a6 8.Qc2 dxc4 9.Bxc4 b5 10.Be2 Bb7 11.O-O Bd6 12.Rad1 Qe7 13.e4 e5 14.Nd5 Nxd5 15.exd5 Nxd4 16.Nxd4 exd4 17.Bc1 Rae8 18.Bf3 Qf6 19.Qd2 Be5 20.b3 Qd6 21.Bb2 Bxh2+ 22.Kh1 Bf4 0-1 | ||||
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| 174288 | FM Soria, K (2260) | Koch, Ju (2001) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.Nc3 Be7 10.h3 Be6 11.b3 b6 12.Bb2 h5 13.Ne2 c5 14.Nf4 Kc8 15.Rad1 Kb7 16.Nxe6 fxe6 17.Rd2 Rad8 18.Rfd1 Rxd2 19.Rxd2 Rd8 20.Rxd8 Bxd8 21.c4 a5 22.g4 hxg4 23.hxg4 Nh4 24.Nxh4 Bxh4 25.f4 Kc6 26.Kg2 Bd8 27.Kf3 Kd7 28.Ke4 Ke7 29.f5 Kf7 30.Bc1 g6 31.Bh6 gxf5+ 32.gxf5 exf5+ 33.Kxf5 Bh4 34.Bg5 Bxg5 35.Kxg5 Ke6 36.Kf4 c6 37.a4 b5 38.Ke4 bxc4 39.bxc4 Ke7 40.Kf5 Kf7 41.e6+ Ke7 42.Ke5 Ke8 43.Kd6 Kd8 44.Kxc6 Ke7 45.Kxc5 Kxe6 46.Kb6 Kd7 47.Kxa5 Kc6 48.Kb4 Kb6 49.c5+ Kc6 50.Kc4 Kc7 51.Kb5 Kb7 52.c6+ Kc7 53.Kc5 Kc8 54.Kb6 Kb8 55.c7+ Kc8 56.a5 1-0 | ||||
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| 316627 | GM Sorin, A (2317) | Koch, Ju (1997) | 1-0 | |
| 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.Bg5 Be7 7.Bxe7 Ngxe7 8.e3 c4 9.Be2 O-O 10.O-O b5 11.Qd2 Rb8 12.e4 dxe4 13.Nxe4 Bf5 14.Ng3 Be6 15.Rad1 Qd6 16.Ne4 Qb4 17.Nc5 Qxd2 18.Rxd2 h6 19.a4 Na5 20.Ne5 Rfc8 21.Nxe6 fxe6 22.Bg4 Nf5 23.d5 Rd8 24.Bxf5 exf5 25.d6 b4 26.Rd5 Nb7 27.Nc6 1-0 | ||||
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| 316585 | Chiappero, Julio Alfredo (2246) | Koch, Ju (1997) | 1-0 | |
| 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.dxc5 d4 7.Na4 Bxc5 8.Nxc5 Qa5+ 9.Bd2 Qxc5 10.Rc1 Qb6 11.e3 Nf6 12.Bc4 O-O 13.O-O Bg4 14.exd4 Bxf3 15.Qxf3 Qxd4 16.Be3 Qg4 17.Bd5 Qxf3 18.Bxf3 Rab8 19.b3 Rfc8 20.Rfd1 h6 21.Bxc6 Rxc6 22.Rxc6 bxc6 23.Rd6 Rc8 24.f3 a6 25.Kf2 Nd5 26.Bd2 Kf8 27.Rd7 Ra8 28.Ke2 Ke8 29.Rb7 a5 30.a4 g5 31.g3 Kf8 32.Kd3 Kg7 33.Rd7 Rb8 34.Kc2 Nb4+ 35.Bxb4 axb4 36.Rc7 Re8 37.Rxc6 Re2+ 38.Kd3 Rb2 39.Kc4 Rc2+ 40.Kb5 Rc3 41.a5 Rxb3 42.a6 Ra3 43.Kxb4 Ra1 44.Kb5 Rb1+ 45.Kc5 Ra1 46.Kb6 Rb1+ 47.Kc7 Ra1 48.Kb7 1-0 | ||||
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| 316571 | Koch, Ju (1997) | FM Ambrogi, A (2232) | 1/2-1/2 | |
| 1.c4 e6 2.Nf3 d5 3.b3 c5 4.Bb2 Nf6 5.g3 Be7 6.Bg2 O-O 7.O-O Nc6 8.e3 b6 9.Nc3 Ba6 10.Qe2 Qd7 11.Nb5 Rac8 12.Rfd1 Rfd8 13.d4 cxd4 14.exd4 Qe8 15.Ne5 Bxb5 16.cxb5 Nxe5 17.dxe5 Nd7 18.a3 Nc5 19.b4 Na4 20.Bf1 Nc3 21.Bxc3 Rxc3 22.Rdc1 Rdc8 23.Qe1 R3c7 24.h4 g6 25.Qd2 Bf8 26.Rxc7 Rxc7 27.Rc1 Qc8 28.Rxc7 Qxc7 29.f4 Bg7 30.Bd3 f6 31.exf6 Bxf6 32.h5 gxh5 33.Qe2 Qf7 34.Qc2 h4 35.Qc8+ Kg7 36.Kg2 hxg3 37.Kxg3 h5 38.Qc1 e5 39.fxe5 Bxe5+ 40.Kg2 Qf4 41.Qxf4 Bxf4 42.Kf3 Bc1 43.a4 Bd2 44.a5 bxa5 45.bxa5 Bxa5 46.Kf4 Kf6 47.Be2 h4 48.Bd1 Bd2+ 49.Kg4 Ke5 50.Kxh4 Kf4 51.Be2 d4 52.Kh3 Ke3 53.Bd1 Ba5 54.Kg2 Bb6 55.Kf1 Kd2 56.Bg4 Bc5 57.Bh5 Bb4 58.Bg4 Be7 59.Bh5 Bh4 60.Bg4 Ke3 61.Bh5 Bg3 62.Bg4 d3 1/2-1/2 | ||||
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| 334874 | Koch, Ju (1997) | Calens, D (1983) | 0-1 | |
| 1.c4 Nf6 2.Nf3 c5 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.Nc3 Bg7 7.e3 O-O 8.d4 Ne4 9.Qc2 Nxc3 10.bxc3 Nc6 11.Ne5 Bxe5 12.dxe5 Qc7 13.f4 Na5 14.e4 Nxc4 15.Qe2 b5 16.Rd1 Rfd8 17.Be3 d6 18.exd6 Nxd6 19.f5 Nc4 20.Bf4 Qb6 21.a4 a6 22.Rdb1 Qc6 23.axb5 axb5 24.Rxa8 Rxa8 25.e5 Qxg2+ 26.Qxg2 Bxg2 27.Kxg2 Ra2+ 28.Kf3 g5 29.Bxg5 Nxe5+ 30.Ke4 f6 31.Bf4 Ra4+ 32.Kd5 Nd3 33.Bh6 b4 34.Kc4 Ne5+ 35.Kxc5 Nf7 36.Kb5 Ra2 37.Bf4 bxc3 38.h4 Rb2+ 0-1 | ||||
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| 476282 | Koch, Ju (1986) | Mahmud, Lihue Mateo (1879) | 1/2-1/2 | |
| 1.Nf3 d5 2.g3 Nc6 3.c4 d4 4.Bg2 e5 5.d3 Bb4+ 6.Bd2 Be7 7.O-O Bf5 8.b4 Bf6 9.b5 Nb8 10.Ne1 Qc8 11.f4 Bh3 12.fxe5 Bxe5 13.Nf3 Bxg2 14.Kxg2 Bf6 15.Na3 Ne7 16.Bf4 c5 17.bxc6 Nbxc6 18.Nb5 Nf5 19.Nd6+ Nxd6 20.Bxd6 Qd7 21.Bf4 O-O 22.Rb1 Rfe8 23.Re1 Re7 24.e4 dxe3 25.Rxe3 b6 26.Rxe7 Qxe7 27.Qd2 Rd8 28.Re1 Qd7 29.Ne5 Nxe5 30.Bxe5 Qc6+ 31.Kg1 h6 32.Qe2 Bxe5 33.Qxe5 Rxd3 34.Qe8+ Qxe8 35.Rxe8+ Kh7 36.Re7 Ra3 37.Rxf7 Rxa2 38.Rc7 a5 39.Rb7 Rc2 40.Rxb6 Rxc4 41.Ra6 Ra4 42.h4 h5 43.Kg2 Ra3 44.Kf2 a4 45.Kg2 Ra1 46.Kf2 a3 47.Kg2 a2 48.Kh2 1/2-1/2 | ||||
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| 476232 | Garcia, Cristian Javier (1813) | Koch, Ju (1986) | 0-1 | |
| 1.Nf3 d5 2.d4 c5 3.e3 Nf6 4.Be2 Nc6 5.O-O Bg4 6.b3 e6 7.Bb2 Bd6 8.Nbd2 O-O 9.h3 Bh5 10.Re1 Rc8 11.c4 Ne4 12.a3 Qe7 13.Nxe4 dxe4 14.dxc5 Bxc5 15.Nd4 Bxe2 16.Nxc6 Rxc6 17.Rxe2 Rd8 18.Rd2 Rcd6 19.Rxd6 Rxd6 20.Qc2 Rd3 21.b4 Bb6 22.Kf1 f5 23.Rd1 Qd7 24.Ke2 Rxd1 25.Qxd1 Qxd1+ 26.Kxd1 Bc7 27.a4 a5 28.b5 b6 29.Ba3 e5 30.c5 Kf7 31.Kc2 Ke6 32.Kc3 g5 33.c6 h5 34.Kc4 h4 35.Bb2 g4 36.Bc3 f4 37.exf4 exf4 38.Kd4 0-1 | ||||
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| 476189 | Koch, Ju (1986) | Studenetzky, M (1831) | 0-1 | |
| 1.Nf3 Nc6 2.c4 e5 3.Nc3 f5 4.d4 e4 5.Ng5 h6 6.Nh3 g5 7.e3 Nf6 8.Be2 Bg7 9.Qb3 d6 10.Bd2 Ne7 11.Nd5 Nexd5 12.cxd5 O-O 13.O-O-O Kh8 14.Ba5 b6 15.Bd2 Bb7 16.Bc4 a6 17.a4 b5 18.axb5 axb5 19.Qxb5 Ba6 20.Qc6 Bxc4 21.Qxc4 Qd7 22.Qc6 Qc8 23.f3 Ra6 24.Qc4 Qb7 25.Bc3 Rfa8 26.Kd2 Nxd5 27.Ke2 Ra4 28.Qxa4 Nxc3+ 29.bxc3 Rxa4 30.fxe4 Ra2+ 31.Rd2 Qb5+ 0-1 | ||||
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| 495237 | Mesiano, Felipe (1799) | Koch, Ju (1986) | 1/2-1/2 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.O-O g6 5.c3 Bg7 6.d4 exd4 7.cxd4 a6 8.Bc4 b5 9.Bb3 O-O 10.Nc3 d6 11.h3 Na5 12.Bc2 c5 13.dxc5 dxc5 14.Qe2 Qc7 15.Rd1 Bb7 16.Bd3 Nec6 17.Be3 Nd4 18.Bxd4 cxd4 19.Nb1 Rfe8 20.Nbd2 Nc6 21.Nb3 Qb6 22.a3 Bh6 23.Bc2 Rad8 24.Qd3 Bg7 25.Nbd2 a5 26.Bb3 a4 27.Bd5 Na5 28.Bxb7 Nxb7 29.Rab1 Nc5 30.Qf1 Nxe4 31.Nxe4 Rxe4 32.b3 Qc6 33.bxa4 bxa4 34.Rd3 h6 35.Qd1 Rde8 36.Rb4 Qc7 37.Rxa4 g5 38.Rd2 h5 39.Raxd4 Bxd4 40.Rxd4 Rxd4 41.Qxd4 Rd8 42.Qa1 Qf4 43.Qe1 g4 44.hxg4 hxg4 45.Nh2 Rc8 46.Nf1 Rc1 47.Qe2 Qc4 48.Qxc4 Rxc4 49.Ne3 Ra4 50.Kh2 Rxa3 51.Nxg4 Kg7 52.Ne3 Kg6 53.g3 f5 54.Nd5 Ra2 55.Kg2 Kg5 56.Nf4 Ra3 57.Nh3+ Kf6 58.Nf4 Kg5 59.Nh3+ Kf6 1/2-1/2 | ||||
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| 495096 | Koch, Ju (1986) | CM Tomeo, I (2250) | 0-1 | |
| 1.Nf3 d5 2.c4 d4 3.b4 g5 4.Bb2 c5 5.bxc5 Nc6 6.Nxd4 Nxd4 7.e3 e5 8.exd4 exd4 9.Bd3 Qe7+ 10.Qe2 Qxe2+ 11.Kxe2 Bxc5 12.Ba3 b6 13.Bxc5 bxc5 14.Na3 Nf6 15.Rhe1 Be6 16.Nb5 Kd7 17.f3 a6 18.Na3 Rab8 19.Rab1 Kd6 20.Kf2 h5 21.Be4 Nd7 22.Rxb8 Rxb8 23.Rb1 Rxb1 24.Bxb1 Nb6 25.Bd3 Na4 26.Bc2 Nb2 27.d3 Ke5 28.g3 Bd7 29.Ke2 f5 30.Kd2 f4 31.gxf4+ Kxf4 32.Ke2 Bc6 33.Nb1 Bxf3+ 34.Kf2 Bd1 35.Bxd1 Nxd1+ 36.Ke1 Nc3 37.Nd2 Ke3 38.Nb3 Na4 39.Nc1 Nb2 0-1 | ||||
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| 495037 | Giampa, A (2230) | Koch, Ju (1986) | 1/2-1/2 | |
| 1.Nf3 Nf6 2.b3 e6 3.Bb2 c5 4.c4 Nc6 5.e3 d5 6.cxd5 exd5 7.Bb5 Bd6 8.O-O O-O 9.d4 a6 10.Be2 cxd4 11.Nxd4 Re8 12.Nd2 Bc7 13.Nxc6 bxc6 14.Nf3 Bg4 15.Qc2 Qd6 16.g3 Ne4 17.Nd4 Bd7 18.Rac1 Bb6 19.Bf3 Rac8 20.Qd3 a5 21.Bxe4 Rxe4 22.Qa6 Bxd4 23.Bxd4 c5 24.f3 Re6 1/2-1/2 | ||||
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| 494957 | Koch, Ju (1986) | Litzenberger-Brunetti, Joaquin | 1-0 | |
| 1.Nf3 d5 2.g3 c6 3.Bg2 Bg4 4.c4 e6 5.O-O Bd6 6.b3 Ne7 7.Bb2 O-O 8.d4 Nd7 9.Nbd2 Rc8 10.e4 Bb4 11.a3 Bxd2 12.Qxd2 dxe4 13.Ng5 Nf6 14.Nxe4 Nxe4 15.Bxe4 Qb6 16.b4 Rfd8 17.Qg5 Bf5 18.d5 Ng6 19.Bxf5 exf5 20.c5 Qb5 21.d6 a5 22.Rab1 axb4 23.axb4 Qxb4 24.Bxg7 Qxc5 25.Bf6 Rxd6 26.Be7 Rc7 27.Bxd6 Qxd6 28.Rfe1 Kg7 29.Qxf5 Qf6 30.Qg4 c5 31.h4 Kf8 32.Ra1 Qd4 33.Qg5 Kg7 34.Rad1 Qf6 35.Qg4 Kf8 36.f4 b5 37.h5 Ne7 38.Rd8# 1-0 | ||||
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| 511110 | Paz, Patricio (1846) | Koch, Ju (1986) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Bd3 d5 7.Qe2 dxe4 8.Bxe4 Nxe4 9.Qxe4+ Qe7 10.Qxe7+ Bxe7 11.Bf4 Bd6 12.Bxd6 cxd6 13.Nd2 O-O 14.O-O-O Be6 15.Ne4 d5 16.Nc5 Rab8 17.Rhe1 Rfe8 18.Re3 Rb5 19.Nxe6 Rxe6 20.Rde1 Rxe3 21.Rxe3 Kf8 22.b3 d4 23.Re4 Rf5 24.f3 c5 25.Kd2 g5 26.Kd3 h5 27.h3 f6 28.Kc4 Kf7 29.a3 a5 30.Kb5 Rd5 31.Kxa5 c4+ 32.Kb4 d3 33.cxd3 cxb3 34.Kxb3 Rxd3+ 35.Kb4 Rd2 36.g4 hxg4 37.hxg4 Rd3 38.f4 gxf4 39.Rxf4 Kg6 40.a4 Kg5 41.Rc4 Rd8 42.a5 Rb8+ 43.Ka4 Ra8 44.Kb5 Rb8+ 45.Ka6 Ra8+ 46.Kb6 Rb8+ 47.Kc7 Ra8 48.Ra4 Ra6 49.Kb7 Re6 50.a6 Re7+ 51.Kc6 Re6+ 52.Kd5 Re5+ 53.Kd6 Re8 54.a7 Ra8 55.Kc6 Rxa7 56.Rxa7 Kxg4 57.Kd5 1-0 | ||||
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| 511065 | Koch, Ju (1986) | Pigoni, Luis (1820) | 1-0 | |
| 1.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.b3 O-O 6.Bb2 c5 7.e3 Nc6 8.c4 d4 9.exd4 cxd4 10.Re1 Re8 11.d3 Rb8 12.Ne5 Nxe5 13.Rxe5 Bd6 14.Bxd4 Bxe5 15.Bxe5 Ra8 16.Nc3 Nd7 17.Bd6 a6 18.c5 Ra7 19.h4 Nf8 20.Ne4 Bd7 21.Qh5 h6 22.Bf4 Bc6 23.Nd6 Re7 24.Bxc6 bxc6 25.d4 Ng6 26.Be3 e5 27.Rd1 Qf8 28.Qf5 Re6 29.h5 Ne7 30.Qg4 Nd5 31.Bd2 Ne7 32.dxe5 Rxe5 33.Bxh6 f5 34.Qc4+ Rd5 35.Bg5 Kh7 36.Re1 Ng8 37.Re8 Qxe8 38.Nxe8 Re5 39.Nd6 Ra8 40.Qf7 Kh8 41.Nxf5 Rxf5 42.Qxf5 1-0 | ||||
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| 511029 | Rojas, Ivan Leonardo (1557) | Koch, Ju (1986) | 0-1 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 h6 5.c3 d6 6.b4 Be7 7.O-O O-O 8.Nbd2 a6 9.Bb3 d5 10.exd5 Nxd5 11.Ne4 Kh8 12.Bb2 Nf4 13.Bc2 Bg4 14.a3 Qc8 15.Bc1 f5 16.Ng3 Nd5 17.Bd2 f4 18.Ne4 Nf6 19.Re1 Nxe4 20.Rxe4 Bf6 21.Qf1 Bf5 22.Ree1 Qd7 23.Rad1 Rae8 24.Bc1 g5 25.h3 h5 26.Bb2 g4 27.hxg4 hxg4 28.Nd2 Qh7 29.Qe2 Kg7 0-1 | ||||
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| 518132 | Koch, Ju (1986) | GM Slipak, S (2374) | 0-1 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.b3 c5 5.Bg2 Nc6 6.e3 d4 7.exd4 cxd4 8.O-O Bd6 9.Re1 O-O 10.d3 h6 11.Ba3 Re8 12.Bxd6 Qxd6 13.a3 a5 14.Nfd2 e5 15.Ne4 Nxe4 16.Bxe4 f5 17.Bd5+ Be6 18.Bg2 Bd7 19.Ra2 Re7 20.Rae2 Rae8 21.Bd5+ Kh8 22.f3 b5 23.Qc1 b4 24.a4 Nb8 25.Nd2 Na6 26.Nf1 Nc7 27.f4 Nxd5 28.fxe5 Nc3 0-1 | ||||
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| 605611 | IM Diaz Hollemaert, N (2351) | Koch, Ju (1963) | 1-0 | |
| 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.a3 Nf6 7.Bg5 cxd4 8.Nxd4 Be7 9.e3 O-O 10.Be2 h6 11.Bh4 Be6 12.O-O Rc8 13.Rc1 g5 14.Bg3 Nxd4 15.Qxd4 Bc5 16.Qd3 Qe7 17.Be5 Rfd8 18.Na4 Bd6 19.Bxd6 Qxd6 20.Qd4 Bd7 21.Nc5 Rc7 22.f4 Ne8 23.Ne4 dxe4 24.Qxd6 Nxd6 25.Rxc7 g4 26.Rd1 Be6 27.Rd4 Kf8 28.h3 h5 29.Rc5 gxh3 30.Rxh5 Ke7 31.g4 Rg8 32.Kh2 Bxg4 33.Bxg4 Rxg4 34.Re5+ Kd7 35.Kxh3 Rg6 36.Rexe4 Kc6 37.Re5 Rh6+ 38.Kg4 Rg6+ 39.Kf3 b5 40.b4 a6 41.e4 Nc4 42.Rc5+ Kb6 43.a4 Nd6 44.e5 Nf5 45.a5+ Kb7 46.Rd7+ Kb8 47.Rxf7 1-0 | ||||
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| 750250 | Koch, Ju (1909) | Asprelli, Gaspar (2240) | 0-1 | |
| 1.Nf3 Nf6 2.c4 c5 3.g3 d5 4.cxd5 Nxd5 5.Nc3 Nc6 6.Bg2 Nc7 7.d3 e5 8.Qa4 Bd7 9.a3 Be7 10.h4 O-O 11.O-O b5 12.Qd1 a6 13.Bg5 f6 14.Be3 Rc8 15.Rc1 Ne6 16.Nd5 Bd6 17.Qd2 a5 18.b3 Ned4 19.Qb2 Be6 20.Nxd4 exd4 21.Bf4 Re8 22.Bxd6 Qxd6 23.Nf4 Bf7 24.h5 Re5 25.Bf3 Ne7 26.b4 axb4 27.axb4 c4 28.dxc4 bxc4 29.Rfd1 Rd8 30.b5 Qb6 31.Rb1 c3 32.Qc2 Rxb5 33.Rxb5 Qxb5 34.Rb1 Qe5 35.Be4 f5 36.Bd3 g5 37.hxg6 hxg6 38.Rb5 Qd6 39.Qb1 Ra8 40.Rb6 Qc5 41.Rb5 Qc7 42.Rb7 Qd6 43.Rb6 Qa3 44.Rb8+ Kg7 45.Rxa8 Qxa8 46.Qb4 Nc6 47.Qd6 Qb7 48.Ne6+ Bxe6 49.Qxe6 Qc7 50.Qc4 Qd6 51.f4 Nb4 52.e3 Nc6 53.Kf2 Kf8 54.Ke2 Qe7 0-1 | ||||
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| 916014 | Koch, Ju (1947) | Ccahuancama, Abraham William (1682) | 0-1 | |
| 1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 e5 5.e4 d6 6.Nge2 O-O 7.O-O Re8 8.d3 c6 9.Bg5 Bg4 10.Qd2 Nbd7 11.h3 Be6 12.b3 Nb6 13.d4 Qd7 14.Kh2 Qc7 15.d5 Bd7 16.Rfd1 c5 17.Rf1 Rf8 18.Rae1 Rae8 19.Bh6 a6 20.Bxg7 Kxg7 21.f4 exf4 22.gxf4 Nh5 23.f5 Bc8 24.Nf4 Nf6 25.Rf3 Nbd7 26.Rg3 Ne5 27.Bf3 Rh8 28.Qg2 Kf8 29.Rf1 Ke7 30.Bd1 Reg8 31.fxg6 hxg6 32.Nd3 Nxd3 33.Rxd3 g5 34.e5 Nh5 35.Ne4 Qd7 36.exd6+ Kf8 37.Bg4 Qxg4 38.hxg4 Nf4+ 39.Kg1 Nxg2 40.Kxg2 Bxg4 41.Re1 Bf5 42.Rde3 Bxe4+ 43.Rxe4 Kg7 44.Re7 Rd8 45.Rxb7 Rxd6 46.Kg3 Rh4 47.Rc7 Rd8 48.Re2 Rdh8 49.Rxc5 Kg6 50.d6 Rh1 51.Rxg5+ Kxg5 52.Kf3 0-1 | ||||
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| 915948 | Axarlian, C (2030) | Koch, Ju (1947) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.Nc3 a6 6.Bxc6+ bxc6 7.d4 exd4 8.Nxd4 Bd7 9.Qf3 Be7 10.e5 dxe5 11.Nxc6 Bxc6 12.Qxc6+ Nd7 13.Be3 O-O 14.Rd1 Bd6 15.Ne4 Nf6 16.Bg5 Qe8 17.Nxf6+ gxf6 18.Qxe8 Rfxe8 19.Bxf6 Re6 20.Bh4 Rb8 21.b3 Rb4 22.c4 a5 23.Bg5 Rb8 24.Be3 f5 25.Ke2 f4 26.Bd2 Rbe8 27.Bc3 e4 28.Rd5 Bb4 29.Rc1 Rf8 30.Rg5+ Rg6 31.Rxg6+ hxg6 32.f3 e3 33.g3 g5 34.gxf4 gxf4 35.Be5 Bd6 36.Bc3 Rf5 37.Kd3 Rh5 38.Rc2 Kf7 39.Bd4 c5 40.Bc3 Bc7 41.Rg2 Rh7 42.Ke4 Kf8 43.Kd5 Rh5+ 44.Ke6 1-0 | ||||
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| 915923 | Koch, Ju (1947) | Saliba, Gabriel Ivan | 1-0 | |
| 1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Qc2 e6 5.Nc3 Bd6 6.b3 Nbd7 7.Bb2 e5 8.cxd5 cxd5 9.Nb5 Bb8 10.Ba3 Ne4 11.Rc1 Nb6 12.Nc7+ Bxc7 13.Qxc7 Qxc7 14.Rxc7 Nd7 15.Nxe5 Kd8 16.Rxd7+ Bxd7 17.Nxf7+ Kc7 18.Nxh8 Rxh8 19.f3 Nf6 20.Bd3 b5 21.Kf2 a6 22.Rc1+ Bc6 23.Bc5 Re8 24.Bd4 Re6 25.g4 g5 26.Bf5 Rd6 27.Be5 h5 28.gxh5 Nxh5 1-0 | ||||
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| 915878 | Unhold, Valentin (2060) | Koch, Ju (1947) | 1-0 | |
| 1.Nf3 d5 2.b3 Nf6 3.Bb2 e6 4.e3 Nbd7 5.c4 Be7 6.Nc3 c5 7.cxd5 exd5 8.d4 O-O 9.Bd3 Re8 10.O-O Bd6 11.Rc1 cxd4 12.Nxd4 Ne5 13.Bf5 a6 14.h3 Nc6 15.Bxc8 Rxc8 16.Nf5 Bf8 17.Qf3 d4 18.Nxd4 Nxd4 19.exd4 Qxd4 20.Rfd1 Qh4 21.Qxb7 Bc5 22.Qf3 h6 23.Na4 Ne4 24.Nxc5 Nxc5 25.Rd4 Qe7 26.Rdc4 Qe2 27.Qxe2 Rxe2 28.Bd4 1-0 | ||||
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| 915866 | Koch, Ju (1947) | Hernandez Figueroa, Martin Jose | 1-0 | |
| 1.c4 e5 2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Bc5 5.e3 a6 6.Nge2 O-O 7.O-O d6 8.a3 Bf5 9.d4 exd4 10.Nxd4 Qd7 11.Nxf5 Qxf5 12.Nd5 Nxd5 13.cxd5 Ne5 14.b4 Bb6 15.Bb2 Rfe8 16.Bd4 Nd7 17.Rc1 Rac8 18.Bf3 Ne5 19.Be2 c5 20.dxc6 Bxd4 21.exd4 Rxc6 22.dxe5 Qxe5 23.Bf3 Rc3 24.Bxb7 Rxa3 25.Re1 Qb5 26.Rxe8+ Qxe8 27.Rc8 1-0 | ||||
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| 957765 | Koch, Ju (1962) | Gaite, Karen Nerina (1660) | 1/2-1/2 | |
| 1.Nf3 d5 2.c4 Nf6 3.e3 e6 4.b3 Bd6 5.Bb2 Nbd7 6.Nc3 c6 7.Qc2 dxc4 8.bxc4 Qe7 9.Be2 e5 10.d4 a6 11.h3 h5 12.O-O-O Ba3 13.Bxa3 Qxa3+ 14.Qb2 Qe7 15.dxe5 Nxe5 16.Nxe5 Qxe5 17.Na4 Qxb2+ 18.Kxb2 Bf5 19.g4 Be6 20.Nc5 Ke7 21.f3 hxg4 22.hxg4 Rxh1 23.Rxh1 Rd8 24.Kc3 Bc8 25.a4 b6 26.Nb3 Bd7 27.g5 Ne8 28.Bd3 c5 29.a5 Ba4 30.Rb1 Bxb3 31.Rxb3 bxa5 32.Ra3 Nc7 33.Rxa5 Kd6 34.Be4 Rb8 35.f4 f6 36.gxf6 gxf6 37.Bd3 Rg8 38.Bf5 Rh8 39.Ra2 Rd8 40.Rd2+ Ke7 41.Rh2 Ne8 42.Rh7+ Kd6 43.Rb7 Kc6 44.Be4+ Kd6 45.Rb6+ Kd7 46.Rxa6 Nd6 47.Bd5 Rc8 48.Ra7+ Rc7 49.Rxc7+ Kxc7 50.e4 Kd7 51.Kd3 Ne8 52.Ke3 Ke7 53.Kf3 Ng7 54.Kg3 Nh5+ 55.Kg4 Ng7 56.e5 fxe5 57.fxe5 Ne8 58.Kf5 Ng7+ 59.Ke4 Ne8 60.Kd3 Kd7 61.Kc3 Kc7 62.Bf7 Ng7 63.Kd3 Kd7 64.Ke4 Kc6 65.Kd3 Nf5 66.Bd5+ Kd7 67.Kc3 Ne7 68.Kb3 Kc7 69.Ka4 Kb6 70.Be4 Nc8 71.Kb3 Ne7 72.Kc3 Kc7 73.Kd3 Kd7 74.Bg2 Ke6 75.Ke4 Kf7 76.Bh3 Kg6 77.Be6 Kg5 78.Bd7 Kg6 79.Kd3 Kg5 80.Ke3 Kg6 81.Kf4 Kf7 82.Kg5 Ng8 83.Bc6 Ne7 84.Bd7 Ng8 85.e6+ Ke7 86.Kf5 Kd6 87.Kg6 Ne7+ 88.Kf7 Nf5 89.Kf6 Ne7 90.Be8 Nc8 91.Bh5 Ne7 92.Bf3 Nc8 93.Bb7 Ne7 94.Bd5 Nc8 95.Kf7 Ne7 96.Kf8 Nc8 97.Ke8 Ne7 98.Kf7 1/2-1/2 | ||||
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| 957706 | Fernandez Babasz, Santiago Ernesto | Koch, Ju (1962) | 1/2-1/2 | |
| 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Bb4 5.Nf3 h6 6.Bh4 g5 7.Bg3 Ne4 8.Rc1 h5 9.Qa4+ Nc6 10.h3 Bd7 11.cxd5 exd5 12.Qb5 Bxc3+ 13.bxc3 Nxg3 14.fxg3 Nxd4 15.Qxd5 Nxf3+ 16.gxf3 Qf6 17.Qxb7 O-O 18.Qxc7 Bc6 19.Kf2 Rfd8 20.Bg2 Rd7 21.Qa5 Rad8 22.h4 Rd5 23.hxg5 Rxg5 24.Qb4 Rb5 25.Qf4 Qxf4 26.gxf4 Rd2 27.Rhd1 Rxa2 28.Ra1 Rxa1 29.Rxa1 a5 30.Ke3 Bd7 31.c4 Rb3+ 32.Kd4 a4 33.Rh1 Rb2 34.Kd3 Bf5+ 35.e4 Rxg2 36.exf5 a3 37.Rxh5 a2 38.Rh1 Kf8 39.Ra1 Ke7 40.Kc3 Rf2 41.Kb4 Kd7 42.Ka5 Rd2 43.Kb5 Kc7 44.Kc5 Kd7 45.Re1 Rb2 46.Ra1 Rd2 47.Kb5 Rf2 48.Kc5 Rxf3 49.Rxa2 Rxf4 1/2-1/2 | ||||
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| 965426 | Rojas, Patricio Santiago (1649) | Koch, Ju (1962) | 0-1 | |
| 1.d4 d5 2.Bf4 c5 3.e3 cxd4 4.exd4 Nc6 5.c3 f6 6.Bd3 e5 7.Qh5+ g6 8.Bxg6+ hxg6 9.Qxh8 exf4 10.Qxg8 Bf5 11.Qh7 Qb6 12.Nf3 Qxb2 13.O-O Qxa1 14.Qxb7 Rc8 15.Re1+ Be7 16.Nh4 Kd8 17.Nxf5 gxf5 18.Qb3 Rb8 19.Qxd5+ Kc7 20.Qxf5 Qxa2 21.Qxf4+ Bd6 22.Qc1 Bxh2+ 23.Kxh2 Qxf2 24.Re3 Rg8 25.Kh1 0-1 | ||||
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| 965353 | Koch, Ju (1962) | Paris, Adolfo (1815) | 0-1 | |
| 1.d4 e6 2.Nf3 Nf6 3.c3 b6 4.Bf4 Bb7 5.e3 Be7 6.h3 O-O 7.Nbd2 Nd5 8.Bh2 f5 9.Bd3 Nf6 10.Qc2 Kh8 11.O-O-O c5 12.e4 c4 13.Bxc4 fxe4 14.Ng5 Ng8 15.h4 Bxg5 16.hxg5 Qxg5 17.Bg3 Nh6 18.Bh4 Qg6 19.Nf1 d5 20.Be2 Nd7 21.Ne3 Nf5 22.Nxf5 exf5 23.Be7 Rfe8 24.Ba3 Nf6 25.g3 Re6 26.Rdg1 a5 27.g4 fxg4 28.Qd1 e3 29.f3 Ba6 30.Bxa6 Rxa6 31.Qe2 Ra8 32.fxg4 Ne4 33.Rh3 Rae8 34.Rf3 Nd2 35.Rf5 Rf6 36.Rd1 Rxf5 37.gxf5 Qxf5 0-1 | ||||
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| 965270 | Ibarra, Juan Martin (2182) | Koch, Ju (1962) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.Re1 Nd6 6.a4 Be7 7.Nc3 O-O 8.d4 e4 9.Nxe4 Nxe4 10.Rxe4 d5 11.Re1 Bg4 12.c3 Bf6 13.h3 Bxf3 14.Qxf3 Ne7 15.Bd2 c6 16.Bd3 Nc8 17.h4 Nd6 18.g3 Qd7 19.h5 Rfe8 20.h6 Rxe1+ 21.Rxe1 Re8 22.Rxe8+ Nxe8 23.Kg2 g6 24.g4 Be7 25.g5 f5 26.c4 Nc7 27.Qg3 Bd6 28.Qf3 Be7 29.b3 Kf8 30.Qg3 Bd6 31.Qe3 Qe6 32.Qf3 Qd7 33.a5 a6 34.Qe3 Qe6 35.Qf3 Qd7 36.Kf1 Be7 37.Qe3 Qe6 38.Qh3 Ne8 39.c5 Bd8 40.Bf4 Bxa5 41.Qg3 Qe7 42.Bd6 Nxd6 43.cxd6 Qe1+ 44.Kg2 Qe6 45.d7 Bd8 46.Qb8 Qxd7 47.Qe5 Qf7 48.Qh8+ Ke7 49.f4 Kd7 50.Kf3 Qe7 51.Qg7 Bc7 52.Bxf5+ gxf5 53.g6 hxg6 54.Qxe7+ 1-0 | ||||
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| 965223 | Koch, Ju (1962) | Menasse, Lautaro | 1-0 | |
| 1.c4 Nf6 2.Nf3 d5 3.cxd5 Nxd5 4.Nc3 e6 5.g3 c5 6.Bg2 Nc6 7.O-O Be7 8.d3 O-O 9.Bd2 b6 10.Qa4 Bb7 11.a3 a6 12.Rfc1 Qc7 13.Ne4 Rac8 14.Rab1 Qd7 15.h4 Ne5 16.Qxd7 Nxd7 17.Bg5 N7f6 18.Ne5 Rc7 19.Nc4 Rb8 20.Nxf6+ Bxf6 21.e4 Bxg5 22.hxg5 b5 23.exd5 bxc4 24.dxc4 exd5 25.cxd5 Rd8 26.d6 Rxd6 27.Bxb7 Rxb7 28.Rxc5 g6 29.b4 Rb5 30.Rbc1 Rd5 31.Rxd5 Rxd5 32.Rc5 Rd6 33.Rc8+ Kg7 34.Ra8 h6 35.gxh6+ Kxh6 36.Kf1 Kg5 37.Ke2 Kf5 38.Re8 Rd5 39.Re3 Kg4 40.Re4+ Kf5 41.Rf4+ Ke6 42.a4 f5 43.Rc4 Kd6 44.Ke3 g5 45.Rd4 Kc6 46.Rxd5 Kxd5 47.Kd3 g4 48.Ke3 Kc4 49.b5 1-0 | ||||
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| 965081 | FM Sanhueza, C (2204) | Koch, Ju (1962) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.Re1 Nd6 6.Nxe5 Nxe5 7.Rxe5+ Be7 8.Bf1 O-O 9.d4 Bf6 10.Re1 Re8 11.Rxe8+ Nxe8 12.d5 d6 13.Nd2 g6 14.Nc4 c6 15.c3 Bd7 16.Bf4 cxd5 17.Qxd5 Bc6 18.Qd2 d5 19.Ne5 Nd6 20.Rd1 Ne4 21.Qc2 Qe7 22.Nxc6 bxc6 23.Qa4 Qd7 24.Qxe4 1-0 | ||||
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| 965053 | Koch, Ju (1962) | Ripa, Martin | 1-0 | |
| 1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e4 d6 6.Nge2 Nbd7 7.O-O c6 8.d3 Rb8 9.Be3 b6 10.h3 Bb7 11.Qd2 Re8 12.Rad1 Nf8 13.d4 N8d7 14.f4 a6 15.d5 c5 16.a4 Bc8 17.Kh2 h6 18.Ng1 Kh7 19.Nf3 Nf8 20.e5 Ng8 21.Rfe1 Bd7 22.Bf1 Qc7 23.Bf2 Rbd8 24.b3 Bc8 25.Ne4 f5 26.Neg5+ hxg5 27.Nxg5+ Kh8 28.Nf7+ Kh7 29.Ng5+ Kh8 30.Nf7+ Kh7 31.e6 Nh6 32.Bd3 Kg8 33.Nxd8 Qxd8 34.Qc2 Kh7 35.g4 fxg4 36.Rg1 Nf5 37.Bxf5 gxf5 38.Qxf5+ Kh8 39.Rxg4 Bf6 40.Rdg1 Nh7 41.Rg6 1-0 | ||||
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| 1150031 | Lupi, P (2139) | Koch, Ju (1933) | 1-0 | |
| 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 gxf6 7.Nf3 f5 8.Nc3 a6 9.g3 b5 10.Bg2 Bb7 11.O-O O-O 12.Qd2 Bf6 13.Rad1 Nd7 14.d5 e5 15.d6 Nc5 16.b4 Ne4 17.Nxe4 fxe4 18.dxc7 Qe7 19.Nh4 Bxh4 20.gxh4 Rfc8 21.Rfe1 Rxc7 22.Re3 f5 23.Rg3+ Kh8 24.Qh6 Rg8 25.Rd6 Rxg3 26.hxg3 Rc8 27.Qd2 e3 28.fxe3 Bxg2 29.Kxg2 Rxc2 30.Qxc2 Qxd6 31.Qxf5 Kg7 32.Kf3 Qd5+ 33.Qe4 Qd1+ 34.Kg2 Qe2+ 35.Kh3 Qf1+ 36.Kg4 Qe2+ 37.Kf5 Qh5+ 38.Ke6 Qe8+ 39.Kd5 Kf6 40.Qf3+ Kg7 41.Qg4+ Kh8 42.Qf5 Qd8+ 43.Kxe5 Qc7+ 44.Ke4 Qc4+ 45.Kf3 Qxb4 46.Qf6+ Kg8 47.Qxa6 Qc4 48.Qa8+ Kf7 49.Qe4 Qxa2 50.Qxh7+ Kf6 51.Qh6+ Kf7 52.Qh5+ Kg7 53.Qxb5 Qa8+ 54.e4 Qa3+ 55.Kg4 Qd6 56.Qd5 Qa6 57.Qe5+ Kg6 58.h5+ Kf7 59.Kg5 Qb6 60.Qf5+ Ke7 61.h6 Qe3+ 62.Kg6 Qb6+ 63.Kg7 Qb2+ 64.e5 1-0 | ||||
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| 1149963 | Koch, Ju (1933) | Mayeregger, Guadalupe Milagros (1740) | 1-0 | |
| 1.Nf3 Nf6 2.c4 c5 3.Nc3 Nc6 4.e3 g6 5.d4 cxd4 6.exd4 d5 7.cxd5 Nxd5 8.Qb3 Nb6 9.d5 Nb8 10.Bb5+ Bd7 11.O-O Bg7 12.d6 O-O 13.Bg5 Be6 14.dxe7 Qc8 15.exf8=Q+ Bxf8 16.Qd1 Nc6 17.Bxc6 Qxc6 18.Nd4 Qd7 19.Nxe6 Qxe6 20.Qf3 Rc8 21.Rfe1 Qc4 22.Qe4 Qc5 23.Be7 Bxe7 24.Qxe7 Qf5 25.Qe5 Qc2 26.Ne4 Nd7 27.Nf6+ Nxf6 28.Qxf6 h5 29.h3 Qa4 30.Re7 Rf8 31.b3 Qb5 32.Rd1 Qa5 33.Rdd7 1-0 | ||||
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| 1157692 | Koch, Ju (1933) | IM Quiroga, F (2260) | 0-1 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 dxc4 7.Qa4 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bg5 Be4 11.Qc1 Nbd7 12.Bxf6 Nxf6 13.Nbd2 Bb7 14.Rd1 Ra7 15.Qc2 Qa8 16.Ne1 Bxg2 17.Nxg2 c5 18.dxc5 Rc8 19.Nb3 Rac7 20.Rac1 a5 21.c6 Rxc6 22.Qb1 g6 23.Nd4 Rxc1 24.Rxc1 Rxc1+ 25.Qxc1 Qd5 26.e3 e5 27.Nc6 Bc5 28.Nxa5 Qxa2 29.Nc6 Qd5 30.b4 Bd6 31.e4 Qxe4 32.Ne3 Nd5 33.Nxd5 Qxd5 34.Qc3 h5 35.h4 Qe4 36.f4 f6 37.fxe5 fxe5 38.Kf2 Kg7 39.Qf3 Qc2+ 40.Kg1 e4 0-1 | ||||
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| 1157624 | Mackeprang, L (2153) | Koch, Ju (1933) | 0-1 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.d4 exd4 5.Nxd4 g6 6.Be3 Bg7 7.c4 O-O 8.Nc3 d6 9.h3 a6 10.Ba4 Ne5 11.Bb3 c5 12.Nde2 b5 13.cxb5 c4 14.Bc2 axb5 15.Nxb5 Ba6 16.Nbc3 Rb8 17.Rb1 Nd3+ 18.Bxd3 cxd3 19.Nf4 d5 20.Nfxd5 Nxd5 21.Nxd5 f5 22.Qa4 d2+ 23.Bxd2 Bd3 24.Rd1 fxe4 25.Ne3 Qf6 26.Ng4 Qxb2 27.Qd7 Qxa2 28.h4 h5 29.Ne3 Rf7 30.Qc6 Rbf8 31.Qxg6 Rxf2 32.Qxh5 Qf7 33.Qxf7+ R8xf7 34.Rc1 Re2+ 35.Kd1 Rff2 36.Nf1 Rxg2 37.Rc8+ Kh7 38.h5 Ref2 39.h6 Be5 40.Re8 Bxf1 41.Re7+ Kg6 42.Rxe5 Rxd2+ 43.Ke1 Bd3 44.Rg1 Re2+ 45.Kf1 Ra2+ 0-1 | ||||
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| 1157562 | Koch, Ju (1933) | Arena, Carlos (1496) | 1-0 | |
| 1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Nf3 O-O 6.Be2 Nc6 7.d5 Nb8 8.h3 Nbd7 9.Be3 a5 10.O-O e5 11.dxe6 fxe6 12.Qc2 e5 13.Rad1 Qe7 14.a3 c6 15.b4 axb4 16.axb4 Ne8 17.Ra1 Rxa1 18.Rxa1 Ndf6 19.Ra7 Qc7 20.Qa2 Kh8 21.c5 Nxe4 22.Nxe4 d5 23.Nd6 d4 24.Ng5 h6 25.Ndf7+ Kg8 26.Nxh6+ Kh8 27.Nhf7+ Kg8 28.Nxe5+ Kh8 29.Nxg6# 1-0 | ||||
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| 1157449 | Uelf, M (2236) | Koch, Ju (1933) | 1-0 | |
| 1.d4 d5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.Nbd2 c5 7.c3 Nc6 8.Re1 cxd4 9.Nxd4 Qb6 10.Nxc6 bxc6 11.e4 a5 12.e5 Nd7 13.Nf3 Nc5 14.Qc2 Ba6 15.Be3 Qc7 16.Rad1 Ne4 17.h4 a4 18.Ng5 Nxg5 19.hxg5 Rfb8 20.Bf1 Bxf1 21.Kxf1 Qb7 22.Bc1 c5 23.Kg2 d4+ 24.f3 Rd8 25.Rh1 g6 26.c4 d3 27.Rxd3 Rxd3 28.Qxd3 Rd8 29.Qc2 Qd7 30.Be3 Bf8 31.Re1 Qb7 32.Re2 Qc6 33.Rd2 Rxd2+ 34.Qxd2 Qc7 35.Qc3 Bg7 36.Bf4 Qd7 37.Be3 Bf8 38.b3 axb3 39.Qxb3 Qc7 40.f4 Qc6+ 41.Kg1 h6 42.gxh6 Bxh6 43.Bf2 Bf8 44.a4 g5 45.a5 gxf4 46.gxf4 Qe4 47.a6 1-0 | ||||
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| 1157402 | Koch, Ju (1933) | Mayeregger Gonzalez, Renata (1553) | 1-0 | |
| 1.c4 e5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Ne7 5.Rb1 c5 6.h3 Nbc6 7.b4 d6 8.b5 Nd4 9.e3 Ne6 10.h4 h6 11.Nge2 Rb8 12.O-O O-O 13.d3 Nc7 14.e4 f5 15.Bd2 f4 16.f3 Kh7 17.g4 Rh8 18.Kf2 Be6 19.Rh1 Kg8 20.Nd5 Ncxd5 21.cxd5 Bd7 22.b6 axb6 23.Rxb6 Bb5 24.Qb3 Qd7 25.g5 Ba4 26.Qb2 Nc8 27.Bh3 Qc7 28.Ba5 Nxb6 29.Bxb6 Qe7 30.Be6+ Kf8 31.Nc3 Bd7 32.Bc7 Rc8 33.Qb6 Rxc7 34.Qxc7 Bxe6 35.Qxe7+ Kxe7 36.dxe6 Kxe6 37.Rb1 Rb8 38.gxh6 Bxh6 1-0 | ||||
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| 1157274 | IM Dolezal, C (2365) | Koch, Ju (1933) | 1-0 | |
| 1.d4 d5 2.c4 e6 3.Nf3 c5 4.cxd5 exd5 5.g3 Nf6 6.Bg2 Nc6 7.O-O Be7 8.dxc5 Bxc5 9.Bg5 O-O 10.Nbd2 Be7 11.Nb3 h6 12.Be3 Bg4 13.Nfd4 Qd7 14.Nxc6 bxc6 15.Rc1 Rfc8 16.Bc5 a5 17.Nd4 Bf8 18.Qa4 Ra6 19.Bxf8 Kxf8 20.Rc5 Qb7 21.f3 Qb6 22.Rfc1 Bd7 23.Qa3 Kg8 24.e3 Qb4 25.Qd3 Rb6 26.a3 Qa4 27.Qc3 Rcb8 28.Bf1 Rb5 29.Bxb5 cxb5 30.Qe1 Re8 31.Ra1 1-0 | ||||
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| 1197655 | Diaz, Di (2067) | Koch, Ju (1941) | 1-0 | |
| 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Rc1 Bf8 13.Nxc6 bxc6 14.Na4 Re6 15.Bc5 Ne4 16.Bxe4 Rxe4 17.Bxf8 Qxf8 18.Nc5 Rb4 19.Qd2 Rab8 20.b3 Qe7 21.Rc2 Rg4 22.Rfc1 Rg6 23.Qf4 Rb5 24.Nd3 Rf6 25.Qd4 Bf5 26.Rd2 Bxd3 27.Qxd3 Rb4 28.Qa6 Qb7 29.Qxb7 Rxb7 30.Rc5 Kf8 31.Rd4 Re6 32.e3 Rb6 33.Ra5 Re7 34.Rda4 Rbb7 35.Rc5 Rec7 36.e4 Rb5 37.Rc2 dxe4 38.Rxe4 a5 39.Rec4 c5 40.R2c3 Ke7 41.a4 Rb8 42.Rxc5 Rxc5 43.Rxc5 Rxb3 44.Rxa5 g6 45.Rb5 Ra3 46.Rb4 h5 47.h4 Ra2 48.Kg2 Ra3 49.Kf1 Ra2 50.Ke1 Ke6 51.Rf4 Ke7 52.Kd1 f5 53.Kc1 Kd6 54.Kb1 Re2 55.Kc1 Ra2 56.Kd1 Kd5 57.Ke1 Ke5 58.Kf1 Kd5 59.Rb4 Ke6 60.Kg2 Ra3 61.Rb6+ Kf7 62.Ra6 Kg7 63.a5 Kf7 64.Ra7+ Kf8 65.a6 Ra2 66.Ra8+ Kg7 67.Kf3 Ra3+ 68.Kf4 Ra4+ 69.Ke5 Ra2 70.Ra7+ Kh6 71.Kf6 Ra5 72.Ra8 Kh7 73.Kg5 f4+ 74.Kxf4 Ra2 75.f3 Ra3 76.Ke4 Ra4+ 77.Kd5 Ra3 78.Ke4 Ra4+ 79.Ke3 Ra3+ 80.Kf2 Ra2+ 81.Kg1 Kg7 82.a7 Ra1+ 83.Kg2 Ra2+ 84.Kh3 Ra4 85.g4 hxg4+ 86.fxg4 Ra3+ 87.Kg2 Ra2+ 88.Kf3 Ra3+ 89.Ke4 Ra4+ 90.Kd5 Ra5+ 91.Kc6 Ra1 92.Rd8 Rxa7 93.Rd7+ Rxd7 94.Kxd7 g5 95.h5 Kf7 96.Kd6 1-0 | ||||
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| 1937174 | Koch, Ju (1986) | Martinez, Isidoro (1981) | 0-1 | |
| 1.Nf3 Nf6 2.c4 d6 3.Nc3 e5 4.d4 Qe7 5.dxe5 dxe5 6.e4 c6 7.Be2 g6 8.O-O Bg7 9.h3 O-O 10.Be3 Re8 11.a3 Nbd7 12.b4 Nf8 13.Bc5 Qd7 14.Qc2 b6 15.Rad1 Qb7 16.Bd6 Nh5 17.c5 a5 18.Bc4 axb4 19.axb4 b5 20.Bb3 Be6 21.Ng5 Bxb3 22.Qxb3 h6 23.Nf3 Nf4 24.Ra1 g5 25.Rxa8 Qxa8 26.Kh2 N8g6 27.g3 Ne6 28.Qb2 Nd4 29.Nxd4 exd4 30.Ra1 dxc3 31.Qb1 c2 0-1 | ||||
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| 1935674 | Koch, Ju (1986) | Munoz, Juan Alberto | 0-1 | |
| 1.Nf3 g6 2.c4 Bg7 3.d4 d6 4.Nc3 Nf6 5.e4 O-O 6.Be2 c5 7.h3 cxd4 8.Nxd4 Nc6 9.Be3 Re8 10.O-O a6 11.Rc1 Bd7 12.Qd2 Rc8 13.Rfd1 Qc7 14.f3 Nh5 15.Nd5 Qd8 16.Nxc6 Bxc6 17.Nb6 Rb8 18.Bd4 Bxd4+ 19.Qxd4 Nf4 20.Bf1 Ne6 21.Qe3 Nc5 22.Nd5 Bxd5 23.cxd5 Qa5 24.a3 Qb6 25.b4 Nd7 26.Qxb6 Nxb6 27.Rc7 Na8 28.Rc3 Rec8 29.Rdc1 Rxc3 30.Rxc3 Kf8 31.a4 Ke8 32.a5 Kd8 33.b5 axb5 34.Bxb5 Nc7 35.Bf1 Ra8 36.Rb3 Kc8 37.Ra3 f6 38.Kf2 Na6 39.Bxa6 Rxa6 40.f4 Kd7 41.Rb3 Kc7 42.Rb5 b6 43.axb6+ Rxb6 44.Ra5 Kb7 45.g4 h6 46.h4 Rb4 47.Ke3 Kc8 48.g5 hxg5 49.hxg5 fxg5 50.fxg5 Kd7 51.Ra7+ Ke8 52.Ra8+ Kf7 53.Ra7 Rb3+ 54.Kd4 Rb1 55.e5 Rd1+ 56.Kc4 dxe5 57.Kc5 e4 58.d6 Rxd6 59.Ra3 Rd3 60.Ra4 e3 61.Re4 e6 62.Kc4 Rd5 63.Rxe3 Rxg5 64.Kd4 Kf6 65.Rf3+ Rf5 66.Rh3 e5+ 67.Ke4 Rf4+ 68.Ke3 Kf5 69.Rh8 g5 70.Rf8+ Kg4 71.Re8 e4 72.Rh8 Kg3 73.Rg8 g4 74.Rh8 Rf3+ 75.Kxe4 Rf1 76.Ra8 Kg2 77.Ra2+ Rf2 78.Ra1 g3 79.Ke3 Rf1 80.Ra8 Kg1 81.Rg8 g2 82.Ke2 Rf6 83.Ke1 Re6+ 84.Kd2 Re5 85.Rg7 Rf5 86.Ke2 Re5+ 87.Kf3 Rf5+ 88.Kg4 Ra5 89.Kh3 Ra3+ 90.Kg4 Rb3 91.Kf4 Kf1 0-1 | ||||
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| 1936446 | Koch, Ju (1986) | FM Garzon, E (2122) | 1/2-1/2 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.d4 d5 7.cxd5 exd5 8.Nc3 O-O 9.Bg5 h6 10.Bxf6 Bxf6 11.e3 Re8 12.b4 c6 13.Rc1 Ba6 14.b5 cxb5 15.Qb3 b4 16.Nxd5 Bxf1 17.Bxf1 a5 18.Nc7 Rxe3 19.fxe3 Ra7 20.Nd5 Kh7 21.Qc2+ g6 22.Nxf6+ Qxf6 23.Bg2 Na6 24.Qc6 Qe7 25.Ne5 Rc7 26.Qxc7 Nxc7 27.Rc6 b5 28.Rb6 a4 29.Rb7 b3 30.axb3 axb3 31.Be4 b2 32.Kg2 Kg7 33.Bd3 Qa3 34.Rxc7 Qxd3 35.Nxd3 b1=Q 36.Ne5 Qe4+ 37.Kf2 Qf5+ 38.Ke2 Qh5+ 39.Kd3 Qf5+ 40.Kc3 Qe4 41.Rxf7+ Kg8 42.Rd7 Qxe3+ 43.Kb4 Qe1+ 44.Kxb5 Qb1+ 45.Kc5 Qc2+ 46.Kd5 Qxh2 47.Rd8+ Kg7 48.Rd7+ Kg8 49.Rd8+ Kg7 50.Rd7+ Kg8 1/2-1/2 | ||||
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| 1937479 | Pontes, A (1867) | Koch, Ju (1986) | 0-1 | |
| 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Nc3 d5 7.e5 Ng4 8.f4 Bc5 9.Qf3 Nf2 10.Be3 Bxe3 11.Qxe3 Nxh1 12.O-O-O O-O 13.Bd3 d4 14.Qg1 Qh4 15.g3 Nxg3 16.hxg3 Qh3 17.Ne4 Bg4 18.Ng5 Qh5 19.Bxh7+ Kh8 20.Rd2 f6 21.Rh2 fxg5 22.Bg6 Qh6 23.Rxh6+ gxh6 24.Qxd4 Rad8 25.Qg1 Rd1+ 26.Qxd1 Bxd1 27.Kxd1 gxf4 28.gxf4 Kg7 29.f5 Rd8+ 30.Ke2 Rd5 31.e6 Kf6 32.c4 Rd4 33.b3 Rh4 34.Kf3 Rh2 35.Ke4 Rxa2 36.Kd4 Rb2 37.Kc3 Rh2 38.Kd4 a5 39.Kc5 Rh3 40.Kxc6 Rxb3 41.Kxc7 Rc3 42.Kd7 Rd3+ 43.Ke8 a4 44.Kf8 Re3 45.Be8 a3 46.c5 Kxf5 47.e7 Kf6 48.Bf7 Rxe7 49.Ba2 Ra7 50.c6 Ra8# 0-1 | ||||
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| 1936245 | Brito Vicente De Paulo Alencar | Koch, Ju (1986) | 0-1 | |
| 1.d4 Nf6 2.Nc3 d5 3.Bf4 c5 4.e3 Nc6 5.Nb5 e5 6.dxe5 Qa5+ 7.Qd2 Qxd2+ 8.Kxd2 Ne4+ 9.Ke1 Kd8 10.f3 g5 11.fxe4 gxf4 12.exf4 Nb4 13.Bd3 c4 14.a3 cxd3 15.axb4 dxc2 16.Rc1 Bxb4+ 17.Kf2 dxe4 18.Rxc2 Bf5 19.Rc4 a5 20.Rd4+ Ke7 21.Ne2 Bc5 22.Rd1 Rhd8 23.Ke1 Bxd4 24.Nexd4 Bg4 25.Rc1 Rac8 26.Rxc8 Rxc8 27.h3 Bd7 28.Nd6 Rc1+ 29.Kd2 Rg1 30.Ke3 Rxg2 31.Kxe4 Rxb2 32.f5 a4 33.f6+ Kf8 34.Nc4 Rb1 35.Kd5 Be6+ 36.Nxe6+ fxe6+ 37.Kxe6 Rc1 38.Nd6 a3 39.Kd7 Re1 40.e6 Rxe6 41.Kxe6 a2 42.f7 a1=Q 43.Nxb7 Qa6+ 0-1 | ||||
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| 1936759 | CM Carrillo Parra, Miguel Alfredo (2128) | Koch, Ju (1986) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Nd5 Nxd5 8.exd5 Nb8 9.a4 a6 10.Na3 Be7 11.Be2 O-O 12.O-O f5 13.Nc4 Nd7 14.a5 Nf6 15.Nb6 Rb8 16.f4 e4 17.Be3 Nd7 18.Nc4 Bf6 19.Rb1 Qe7 20.b4 Rd8 21.Qd2 Nf8 22.Nb6 Bd7 23.c4 h6 24.Rfc1 g5 25.c5 dxc5 26.bxc5 Be8 27.Bc4 Bf7 28.d6 Qe8 29.fxg5 hxg5 30.Bxg5 Bxc4 31.Bxf6 Bd3 32.Qg5+ Qg6 33.Bxd8 Qxg5 34.Bxg5 Bxb1 35.Rxb1 Ne6 36.h4 Nxc5 37.d7 Nxd7 38.Nxd7 Rc8 39.Rxb7 Rc1+ 40.Bxc1 1-0 | ||||
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| 1937795 | Koch, Ju (1986) | Hakanson, Ian (1907) | 1-0 | |
| 1.Nf3 d5 2.e3 Nf6 3.c4 e6 4.b3 Be7 5.Bb2 O-O 6.Nc3 c5 7.cxd5 exd5 8.d4 Nc6 9.dxc5 Bxc5 10.Be2 Bg4 11.O-O Re8 12.Rc1 Bb6 13.Na4 Bc7 14.h3 Bxf3 15.Bxf3 Qd6 16.g3 Rad8 17.Nc5 Rb8 18.Bd4 Ne4 19.Nxe4 dxe4 20.Bg2 Rbd8 21.Bc5 Qg6 22.Qg4 Qxg4 23.hxg4 Re5 24.b4 Rg5 25.b5 b6 26.Bxb6 1-0 | ||||
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| 1938054 | Quiroga, L (1842) | Koch, Ju (1986) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.exd5 cxd5 9.O-O O-O 10.Bg5 c6 11.h3 Re8 12.Qf3 h6 13.Bh4 Rb8 14.Rfe1 Be6 15.a3 Bd6 16.Rab1 c5 17.Bb5 Rf8 18.Bc6 Qc7 19.Bxf6 Qxc6 20.Be5 Bxe5 21.Rxe5 d4 22.Qxc6 dxc3 23.Qxc5 cxb2 24.Qc3 Rfc8 25.Rc5 Rxc5 26.Qxc5 Ba2 27.Rxb2 Rxb2 28.Qxa7 Rxc2 29.Qa8+ Kh7 30.Qe4+ g6 31.Qxc2 Be6 32.a4 1-0 | ||||
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| 1938345 | Koch, Ju (1986) | Moreno, Dario (1812) | 1-0 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 Nc6 7.d5 Nb8 8.h3 e5 9.Be3 a5 10.O-O Na6 11.Rb1 b6 12.Nd2 Ne8 13.a3 f5 14.f3 f4 15.Bf2 g5 16.b4 axb4 17.axb4 h5 18.Nb5 Bd7 19.Qc2 Qf6 20.c5 bxc5 21.bxc5 Bxb5 22.Bxb5 Nxc5 23.Bc6 Rd8 24.Bxc5 dxc5 25.Qxc5 Qd6 26.Rfc1 g4 27.hxg4 hxg4 28.Bxe8 Rdxe8 29.Qxd6 cxd6 30.fxg4 Rc8 31.Nf3 Kf7 32.Ng5+ 1-0 | ||||
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| 1938610 | Nava, Pedro (2029) | Koch, Ju (1986) | 1/2-1/2 | |
| 1.e4 c5 2.Nf3 Nc6 3.Bb5 Nd4 4.Bc4 e6 5.c3 Nc6 6.e5 d5 7.exd6 Bxd6 8.O-O Nf6 9.d4 cxd4 10.cxd4 O-O 11.Nc3 a6 12.Bg5 b5 13.Bd3 Nb4 14.Bb1 Bb7 15.a3 Nbd5 16.Qd3 g6 17.Re1 Qc7 18.Nxd5 Nxd5 19.Ba2 Bf4 20.g3 Bxg5 21.Nxg5 Qe7 22.Ne4 Nf6 23.Nc5 Bd5 24.Bxd5 Nxd5 25.Rac1 Rfd8 26.Ne4 Rac8 27.Qf3 Kg7 28.h4 h6 29.Rc5 Nf6 30.Rec1 Nxe4 31.Qxe4 Rxc5 32.dxc5 Rc8 33.c6 Qd6 34.b4 f5 35.Qf3 e5 36.Qc3 Kf6 37.c7 Ke6 38.Qc6 Qxc6 39.Rxc6+ Kd5 40.Rxa6 Rxc7 41.Rxg6 Rc3 42.Rxh6 Rxa3 43.Rb6 Kc4 44.h5 Kxb4 45.h6 Ra7 46.Re6 e4 47.Kg2 Kc4 48.Rb6 b4 49.g4 fxg4 50.Kg3 b3 51.Kxg4 Kc3 52.Kf4 Re7 53.h7 Rxh7 54.Kxe4 b2 55.f4 Re7+ 56.Kd5 Kc2 57.f5 b1=Q 58.Rxb1 Kxb1 59.Kd6 Rf7 60.Ke6 Rf8 61.f6 Kc2 62.Ke7 Ra8 63.f7 Kd3 64.f8=Q Rxf8 65.Kxf8 1/2-1/2 | ||||
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| 2002578 | Koch, Ju (2000) | FM Cimer, Emanuel (2237) | 1/2-1/2 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 Nbd7 7.e5 Ne8 8.e6 fxe6 9.Ng5 Ndf6 10.h4 d5 11.h5 Nd6 12.hxg6 hxg6 13.Qc2 Nde4 14.Ncxe4 dxe4 15.Be3 c6 16.O-O-O Qa5 17.Kb1 e5 18.d5 cxd5 19.cxd5 Bd7 20.Qc3 Qxc3 21.bxc3 Rfc8 22.c4 b6 23.d6 e6 24.Rh4 Rd8 25.Nxe4 Nxe4 26.Rxe4 Bf6 27.Rg4 Kg7 28.Bd3 Be8 29.Bc2 Bf7 30.a4 Rac8 31.Bc1 Rc6 32.Ba3 g5 33.Rh1 Bg8 34.Rc1 1/2-1/2 | ||||
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| 2002488 | FM Falcon, Benjamin (2249) | Koch, Ju (2000) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Re1 O-O 7.h3 Qc7 8.d4 d5 9.exd5 Nxd5 10.dxc5 Rd8 11.Qa4 Ne5 12.Nxe5 Bxe5 13.Nd2 Nxc3 14.bxc3 Bxc3 15.Nf3 Bxa1 16.Bf4 Qxc5 17.Rxa1 a6 18.Be2 b5 19.Qa5 Be6 20.Be3 Qc2 21.Re1 Qxa2 22.Qb4 Re8 23.Qh4 f6 24.Bd4 Bf5 25.g4 Be4 26.g5 e5 27.gxf6 Bxf3 28.Bxf3 exd4 29.Re7 Rxe7 30.fxe7 Qb1+ 31.Kg2 Re8 32.Bd5+ Kg7 33.Qxd4+ Kh6 34.Qf4+ g5 35.Qf8+ Kh5 36.Bf3+ 1-0 | ||||
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| 2002421 | FM Munoz, Francisco Javier (2357) | Koch, Ju (2000) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 b5 7.Bb3 d6 8.a3 Na5 9.Ba2 c5 10.Nc3 O-O 11.b4 Nb7 12.h3 Be6 13.Nd5 Nxd5 14.exd5 Bd7 15.Re1 Kh8 16.c3 f5 17.d4 exd4 18.cxd4 c4 19.Bb1 Bf6 20.Ra2 Re8 21.Rxe8+ Qxe8 22.Re2 Qh5 23.Qe1 Rg8 24.Bb2 Nd8 25.Qd2 g5 26.Ne5 Bc8 27.Re1 Qh6 28.Qe2 g4 29.hxg4 fxg4 30.Qe4 Qg7 31.g3 Nf7 32.Kg2 Ng5 33.Qf4 Nh3 34.Qe3 Rf8 35.f4 gxf3+ 36.Nxf3 Bg4 37.Rh1 Bxf3+ 38.Qxf3 Ng5 39.Qg4 Bd8 40.Bc1 Qf6 41.Bxg5 Qxg5 42.Rxh7+ Kg8 43.Qe6+ 1-0 | ||||
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| 2462808 | Areco, Antonio (1740) | Koch, Ju (1983) | 0-1 | |
| 1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Bg5 Be7 5.e3 h6 6.Bh4 O-O 7.Nf3 Nbd7 8.Rc1 c5 9.Be2 dxc4 10.Bxc4 a6 11.a4 cxd4 12.Nxd4 Ne5 13.Be2 Ng6 14.Bg3 e5 15.Nf3 Qa5 16.O-O Be6 17.Bd3 Nd7 18.Qe2 Rac8 19.Bc2 f5 20.Rfd1 Rfe8 21.h3 Qb4 22.Rb1 Rc5 23.Na2 Bxa2 0-1 | ||||
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| 2462771 | Koch, Ju (1983) | Lopez, Di (2173) | 1/2-1/2 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 dxc4 7.Qc2 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bg5 Be4 11.Qc1 Nbd7 12.Nbd2 Bb7 13.Qc2 Rc8 14.Bxf6 Nxf6 15.Nb3 Be4 16.Qc3 Nd5 17.Qc1 c5 18.dxc5 Qc7 19.Nfd4 Bxg2 20.Kxg2 Bxc5 21.Qxc5 Qxc5 22.Nxc5 Rxc5 23.Rac1 Rfc8 24.Rxc5 Rxc5 25.Nb3 Rc4 26.Rc1 Rxc1 1/2-1/2 | ||||
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| 2462727 | Hoeschele, Hermann (1735) | Koch, Ju (1983) | 0-1 | |
| 1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Nbd7 5.Bg5 Be7 6.e3 h6 7.Bxf6 Nxf6 8.cxd5 exd5 9.Bd3 O-O 10.Qc2 Be6 11.Ne5 Ng4 12.O-O c6 13.Qe2 Nxe5 14.dxe5 Qc7 15.f4 f5 16.Qh5 Qc8 17.Qh3 Re8 18.Ne2 c5 19.Ng3 Qd7 20.Rad1 d4 21.Bb1 Qc8 22.exd4 cxd4 23.Rc1 Qd7 24.Rfd1 Rac8 25.Ne2 Rxc1 26.Rxc1 Rc8 27.b3 Rxc1+ 28.Nxc1 Qc7 29.Ne2 Qa5 30.Kf1 Qa6 31.Ke1 Bc5 32.Bxf5 Bd5 33.Bb1 Qc6 34.Qd3 Bxg2 35.Qh7+ Kf7 36.Bg6+ 0-1 | ||||
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| 2466348 | Koch, Ju (1983) | Costianosky, R (2248) | 0-1 | |
| 1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 4.c4 c6 5.Qb3 Qb6 6.O-O Nbd7 7.d4 dxc4 8.Qxc4 e6 9.Nc3 Be7 10.Nh4 Bg4 11.e4 e5 12.Be3 exd4 13.Bxd4 Be6 14.Qa4 Bc5 15.Bxc5 Nxc5 16.Qc2 O-O 17.b3 Rad8 18.Rad1 Rxd1 19.Rxd1 Rd8 20.Rd2 g6 21.Nf3 Rxd2 22.Nxd2 Qd8 23.e5 Ng4 24.Nf3 Qd3 25.Qc1 Nxf2 26.Ne1 Qd4 27.Kf1 Ng4 28.Nd1 Nxh2+ 29.Ke2 Bg4+ 30.Nf3 Qd3+ 0-1 | ||||
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| 2466286 | Cuberli, E (2215) | Koch, Ju (1983) | 1-0 | |
| 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6 5.Nc3 Be7 6.Qg3 Nb4 7.Bd3 d6 8.Nge2 Nxd3+ 9.cxd3 Nh5 10.Qf3 Nf6 11.O-O O-O 12.h3 Nd7 13.d4 c5 14.Qg3 Re8 15.Rd1 cxd4 16.Nxd4 Ne5 17.Nd5 Be6 18.Ne3 Qb6 19.Nef5 Bxf5 20.Nxf5 Ng6 21.Be3 Qc6 22.f3 Bf8 23.h4 h5 24.Qg5 Rad8 25.Qxh5 d5 26.exd5 Qd7 27.Qg5 Re5 28.g4 Rxd5 29.Rf1 Ne7 30.Bxa7 Nxf5 31.gxf5 Rxf5 32.Qg4 Qe6 33.Rae1 Qf6 34.Be3 Rd3 35.Bg5 Qb6+ 36.Kh1 Rfd5 37.Re8 f6 38.Bh6 Qc7 39.Rg1 Rd1 40.Qe6+ 1-0 | ||||
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| 2466243 | Koch, Ju (1983) | WCM Bosco, Giuliana (1578) | 1-0 | |
| 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bg5 Re8 10.Nd5 Nxd5 11.cxd5 c6 12.Bc4 Bd7 13.Be3 h6 14.O-O-O a5 15.Kb1 Na6 16.Bb6 g5 17.dxc6 Bxc6 18.Bd5 Rac8 19.Be3 Nb4 20.Bxc6 Nxc6 21.Rd5 Rcd8 22.Rhd1 b5 23.Rxd8 Rxd8 24.Rxd8+ Nxd8 25.Kc2 b4 26.Bc5 Nc6 27.Bd6 f6 1-0 | ||||
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| 2466173 | Martinez de Negri, G (2211) | Koch, Ju (1983) | 1-0 | |
| 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Be7 9.Bd3 O-O 10.O-O h6 11.Ne4 Nd5 12.Ng3 Nb4 13.Be4 Nb7 14.a3 Nd5 15.c4 Nf6 16.Bxc6 Rb8 17.b4 Bg4 18.Qe3 Qc7 19.Bxb7 Rxb7 20.h3 Be6 21.d3 a5 22.b5 Bc5 23.Qe2 Bd4 24.Bb2 Rd8 25.Bxd4 Rxd4 26.Nc3 Nd7 27.Rfe1 Nc5 28.Rad1 f6 29.Nce4 Nxd3 30.Rxd3 Bxc4 31.Red1 Bxd3 32.Rxd3 Qc1+ 33.Kh2 Qc4 34.Rxd4 Qxd4 35.Qg4 Qd8 36.Nf5 Kh7 37.Nh4 Rxb5 38.Qg6+ Kg8 39.Nf5 Rb7 40.Nxh6+ Kf8 41.Qh7 Ke8 42.Qg8+ Ke7 43.Qf7# 1-0 | ||||
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| 2466139 | Koch, Ju (1983) | Schultz, Rauanda (1557) | 1-0 | |
| 1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 4.c4 c6 5.Qb3 Qb6 6.O-O e6 7.d4 dxc4 8.Qxc4 Nbd7 9.Nc3 Ne4 10.Nh4 Nxc3 11.Nxf5 Nb5 12.a4 Nc7 13.Ne3 Bd6 14.Qd3 O-O 15.Nc4 Qa6 16.Nxd6 Qxd3 17.exd3 Rab8 18.Nxb7 1-0 | ||||
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| 2466054 | FM Toniutti, E (2301) | Koch, Ju (1983) | 1-0 | |
| 1.d4 e6 2.c4 Nf6 3.g3 d5 4.Nf3 dxc4 5.Bg2 c5 6.O-O Nc6 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2 Ng4 10.Ne4 Be7 11.h3 Nf6 12.Nd6+ Bxd6 13.Rxd6 Ke7 14.Rd1 Bd7 15.Be3 b6 16.Rac1 Rac8 17.Rxc4 Rhd8 18.Bd2 Kf8 19.Bf4 Be8 20.Rdc1 Nd5 21.Bd2 Nce7 22.e4 Rxc4 23.Rxc4 Nf6 24.Rd4 Rxd4 25.Nxd4 e5 26.Nc2 Bc6 27.f3 a5 28.Bc3 Nd7 29.Ne3 Bb5 30.f4 f6 31.Bf3 Bd3 32.Ng4 Nc6 33.Nf2 Bc4 34.b3 Ba6 35.Ng4 Nd4 36.Kf2 Nxf3 37.Kxf3 exf4 38.Kxf4 Ke7 39.Ne3 Bb7 40.Nf5+ Kf8 41.Ke3 Ne5 42.Nd6 Bc6 43.Bd4 Ke7 44.Nc8+ Kd8 45.Nxb6 1-0 | ||||
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| 2490376 | Koch, Ju (1952) | WCM Bosco, Giuliana (1622) | 1-0 | |
| 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.d4 O-O 6.O-O Nbd7 7.Nc3 Re8 8.e4 e5 9.Re1 exd4 10.Nxd4 Nf8 11.h3 Ne6 12.Be3 Nc5 13.Qc2 Bd7 14.Rad1 Qc8 15.Kh2 Ne6 16.Nde2 h6 17.f4 Bc6 18.Nd5 Nc5 19.Nec3 Nxd5 20.cxd5 Bd7 21.b4 Bxc3 22.Qxc3 Nxe4 23.Qd4 f5 24.Bc1 Re7 25.Bb2 Kh7 26.g4 Qf8 27.gxf5 gxf5 28.Bf3 Qf7 29.Rg1 Rg8 30.Rxg8 Qxg8 31.Rg1 Qf8 32.Bh5 Be8 33.Bxe8 Qxe8 34.Rg7+ Rxg7 35.Qxg7# 1-0 | ||||
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| 2490302 | Koch, Ju (1952) | Olivares, D ARG (2017) | 1-0 | |
| 1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 c5 7.cxd5 Nxd5 8.Bb2 Bf6 9.Nc3 Nc6 10.Na4 b6 11.d4 cxd4 12.Nxd4 Nxd4 13.Bxd4 Bxd4 14.Qxd4 Bb7 15.Rfd1 Qe7 16.Nc3 Nxc3 17.Qxc3 Bxg2 18.Kxg2 Rac8 19.Qb2 Qb7+ 20.f3 Rfd8 21.Rac1 Rxd1 22.Rxd1 Qc7 23.Qd4 Kf8 24.Qd3 Ke7 25.Qxh7 Qc2 26.Qh4+ f6 27.Qb4+ Rc5 28.Qd2 Qxd2 29.Rxd2 a5 30.f4 b5 31.Kf3 a4 32.bxa4 bxa4 33.a3 Rc3+ 34.Rd3 Rb3 35.Ke3 Rb1 36.h4 Kf7 37.Kd4 Kg6 38.e4 Kh5 39.e5 f5 40.Kc5 Rb3 41.Rd4 Rxa3 42.Kd6 Rxg3 43.Kxe6 a3 44.Kxf5 a2 45.Ra4 Rg2 46.Ke6 Kxh4 47.Kf7 Kh5 48.e6 Rf2 49.Kxg7 Rxf4 50.Rxa2 1-0 | ||||
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| 2490275 | Dubrovich, I (2004) | Koch, Ju (1952) | 1-0 | |
| 1.e4 e6 2.d4 d5 3.Bd3 dxe4 4.Bxe4 Nf6 5.Bf3 c5 6.Ne2 Nc6 7.Be3 cxd4 8.Nxd4 Nd5 9.Nxc6 bxc6 10.O-O Bd7 11.Bd4 Nf6 12.c4 Be7 13.Nc3 O-O 14.Qe2 Qc7 15.Rfd1 Rfd8 16.Rd3 Be8 17.Rad1 Rac8 18.Ne4 c5 19.Nxf6+ Bxf6 20.Bxf6 Rxd3 21.Rxd3 gxf6 22.Qd2 Qe5 23.h4 Rb8 24.b3 Qa1+ 25.Bd1 Kf8 26.Kh2 Qe5+ 27.f4 Qc7 28.g3 Bc6 29.Qe3 Bb7 30.Bf3 Bxf3 31.Qxf3 Rd8 32.Rxd8+ Qxd8 33.Qc6 Qd2+ 34.Kh3 Qf2 35.h5 Kg7 36.Qa8 h6 37.Qg2 Qd4 38.Qe2 f5 39.Kg2 Qe4+ 40.Qxe4 fxe4 41.b4 cxb4 42.c5 Kf8 43.g4 a5 44.g5 a4 45.gxh6 b3 46.axb3 axb3 47.c6 b2 48.c7 b1=Q 49.c8=Q+ Ke7 50.Qc7+ Kf6 51.Qd8+ 1-0 | ||||
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| 2490222 | Fiori, H (2104) | Koch, Ju (1952) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 d5 9.Bxf6 gxf6 10.Nxd5 Bxa3 11.bxa3 Be6 12.Qd2 f5 13.Bd3 fxe4 14.Bxe4 f5 15.Bf3 O-O 16.Rd1 Nd4 17.c3 Bxd5 18.Bxd5+ Qxd5 19.Qg5+ Kh8 20.cxd4 Rad8 21.O-O Rd7 22.g3 exd4 23.Rd3 Qe4 24.Qh6 Kg8 25.Rfd1 Qe5 26.Qg5+ Kh8 27.Qd2 Rfd8 28.Re1 Qb5 29.Rd1 Qe5 30.a4 b5 31.axb5 Qxb5 32.Qg5 Qe5 33.Qd2 Qd5 34.Re1 Qd6 35.Qa5 f4 36.Re4 fxg3 37.hxg3 Qg6 38.Qe5+ Qg7 39.Qe6 Qg6 40.Qe5+ Qg7 41.Qh5 Qg6 42.Qe2 Qg7 43.Re8+ 1-0 | ||||
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| 2575888 | Hoeschele, Hermann (1662) | Koch, Ju (1961) | 0-1 | |
| 1.d4 Nf6 2.Bg5 Ne4 3.Bf4 d5 4.f3 Nf6 5.e3 e6 6.Bd3 Bd6 7.Bg5 h6 8.Bh4 c5 9.c3 Nc6 10.Nd2 Bd7 11.f4 cxd4 12.cxd4 Nb4 13.Be2 Rc8 14.Kf2 g5 15.Bg3 Rc2 16.a3 Rxd2 17.Qb3 Ne4+ 18.Kf1 Rxe2 19.Kxe2 Bb5+ 20.Kd1 Qa5 21.Be1 Ba4 0-1 | ||||
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| 2575819 | Koch, Ju (1961) | FM Anelli, A (2076) | 0-1 | |
| 1.Nf3 c5 2.c4 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nc3 e6 6.d3 Nge7 7.O-O d5 8.cxd5 exd5 9.Bg5 Be6 10.e4 d4 11.Nd5 h6 12.Bxe7 Nxe7 13.Nxe7 Qxe7 14.Nd2 O-O 15.f4 f5 16.Qc2 Qc7 17.Rae1 Bf7 18.Bh3 fxe4 19.Nxe4 c4 20.f5 gxf5 21.Rxf5 Qb6 22.Ref1 cxd3 23.Qxd3 Bg6 24.Qc4+ Kh7 25.Rxf8 Rxf8 26.Rxf8 Bxf8 27.Bg2 Bg7 28.b3 d3+ 29.Nc5 d2 30.Bf3 Qd6 31.Kg2 d1=Q 32.Bxd1 Qxd1 33.Nxb7 Qd2+ 0-1 | ||||
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| 2575760 | Cuberli, E (2236) | Koch, Ju (1961) | 1-0 | |
| 1.c4 e6 2.d4 d5 3.Nc3 Bb4 4.Nf3 Nf6 5.Bg5 h6 6.Bh4 g5 7.Bg3 Ne4 8.Qc2 Nc6 9.a3 Bxc3+ 10.bxc3 h5 11.Ne5 Nxe5 12.Bxe5 f6 13.f3 fxe5 14.fxe4 Qf6 15.e3 Bd7 16.Bd3 dxc4 17.Bxc4 O-O 18.O-O-O Qe7 19.Kb2 b5 20.Bb3 a5 21.dxe5 Kg7 22.Rd4 a4 23.Ba2 Rab8 24.Rhd1 Bc6 25.R1d2 Rf1 26.Rb4 Rd8 27.Rxd8 Qxd8 28.Bxe6 Qd1 29.Qxd1 Rxd1 30.c4 Bxe4 31.cxb5 Bxg2 32.Rc4 Kg6 33.Rxc7 Be4 34.Bf7+ Kf5 35.Rc5 Rd2+ 36.Kc3 Rd3+ 37.Kb4 Rxe3 38.Bxh5 Bg2 39.Kxa4 Ke6 40.Bg4+ Ke7 41.h3 Bxh3 42.Bxh3 Rxh3 43.b6 Rh8 44.Kb5 Kd7 45.Rc7+ Kd8 46.e6 1-0 | ||||
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| 2575672 | Koch, Ju (1961) | Pradines, Ernesto (1693) | 1-0 | |
| 1.Nf3 Nf6 2.c4 e6 3.g3 Be7 4.Bg2 O-O 5.O-O d5 6.d4 dxc4 7.Qc2 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bf4 Nd5 11.Bd2 Nf6 12.Rd1 Be4 13.Qc1 Nbd7 14.Ba5 Ra7 15.Nbd2 Bd5 16.b4 Qa8 17.Bh3 Bd6 18.Qb2 Re8 19.Ne5 g5 20.f3 g4 21.Nxd7 Nxd7 22.Bxg4 f5 23.Bh3 Re7 24.Re1 Nf6 25.Bg2 f4 26.e4 fxe3 27.Rxe3 h5 28.Ne4 Qf8 29.Nxd6 cxd6 30.Rae1 h4 31.g4 Rg7 32.h3 Rad7 33.Qc2 Nh7 34.Rc3 Qf4 35.Rc8+ Nf8 36.Qf2 Rdf7 37.Bd8 Rh7 38.g5 Bxf3 39.Bxf3 Qxf3 40.Qxf3 Rxf3 41.Rf1 Rxf1+ 42.Kxf1 Rf7+ 43.Bf6 Ra7 44.Kg2 Kf7 45.Kf3 Nd7 46.Bd8 Nf8 47.Kg4 Ng6 48.Rc7+ Rxc7 49.Bxc7 d5 50.Bd6 Kg7 51.Bh2 Kf7 52.Bg1 Ke7 53.Bf2 e5 54.Kf5 Nf4 55.dxe5 Nxh3 56.Bc5+ Kf7 57.e6+ Kg8 58.Kg4 Nxg5 59.Kxg5 h3 60.Kg6 1-0 | ||||
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| 2575603 | Mayo, R (2081) | Koch, Ju (1961) | 1-0 | |
| 1.e4 e6 2.d3 d5 3.Nd2 c5 4.Ngf3 Nc6 5.g3 Bd6 6.Bg2 Nge7 7.O-O O-O 8.Re1 f6 9.c3 Bd7 10.Nf1 d4 11.h4 b6 12.h5 Qc7 13.N1h2 Rad8 14.Ng4 e5 15.Nh4 Qc8 16.Bh3 c4 17.dxc4 Be6 18.Qf3 Kh8 19.h6 g5 20.Ng2 f5 21.exf5 Rxf5 22.Qe4 Rdf8 23.cxd4 Bb4 24.d5 Nd4 25.Nxe5 Bxe1 26.Nxe1 Qc7 27.Bxf5 Rxf5 28.f4 1-0 | ||||
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| 2575538 | Koch, Ju (1961) | FM Aguilar, A (2252) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 e5 7.d3 Nc6 8.Rb1 a5 9.a3 h6 10.b4 axb4 11.axb4 Be6 12.b5 Ne7 13.Qb3 Nd7 14.Ba3 Nf5 15.e3 Re8 16.Nd2 Rb8 17.Nde4 h5 18.h4 Bh6 19.Rfe1 Nf6 20.Nxf6+ Qxf6 21.Nd5 Qd8 22.Qd1 Ra8 23.Bb2 Bg7 24.Nb4 Rb8 25.Ra1 Ne7 26.Nd5 c6 27.Nxe7+ Rxe7 28.Qa4 d5 29.Ba3 Rd7 30.bxc6 bxc6 31.Rab1 Ra8 32.Qb3 dxc4 33.dxc4 Rd3 34.Red1 Rxa3 35.Rxd3 Qxd3 36.Qb8+ Kh7 37.Bxc6 Ra2 0-1 | ||||
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| 2655860 | Koch, Ju (1968) | GM Hernandez Guerrero, G (2528) | 0-1 | |
| 1.c4 e5 2.Nc3 d6 3.g3 g6 4.Bg2 Bg7 5.e4 Nc6 6.Nge2 f5 7.d3 Nf6 8.Nd5 O-O 9.Bg5 Be6 10.Qd2 Qd7 11.O-O Kh8 12.Rac1 Rf7 13.b4 Ng8 14.Be3 Nd4 15.exf5 Nxf5 16.Ndc3 c6 17.b5 Nxe3 18.fxe3 Nf6 19.bxc6 bxc6 20.Ne4 Nxe4 21.dxe4 Rxf1+ 22.Bxf1 Rf8 23.Bg2 Bh6 24.Qd3 Qf7 25.Rf1 Bxc4 26.Qxd6 Bxe3+ 27.Kh1 Qxf1+ 28.Bxf1 Rxf1+ 29.Kg2 Rf2+ 30.Kh3 Bxe2 31.Qxe5+ Kg8 32.Qe8+ Kg7 33.Qe7+ Rf7 34.Qe5+ Kh6 35.Qc3 Kh5 36.g4+ Bxg4+ 37.Kg2 Rf2+ 38.Kg3 Rf3+ 39.Kg2 Kh4 40.Qg7 Rf2+ 0-1 | ||||
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| 2655820 | Koch, Ju (1968) | GM Cuenca Jimenez, J (2506) | 0-1 | |
| 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 Nc6 7.d3 e5 8.Rb1 a5 9.a3 Re8 10.Bg5 h6 11.Bxf6 Bxf6 12.b4 axb4 13.axb4 Bg7 14.b5 Ne7 15.Qb3 c6 16.Nd2 Be6 17.Rfc1 d5 18.bxc6 bxc6 19.Qb7 Rc8 20.cxd5 cxd5 21.e3 d4 22.exd4 Qxd4 23.Nde4 Nf5 24.Rb4 Qd8 25.Rd1 Nd4 26.Na4 Re7 27.Qb6 Qxb6 28.Nxb6 Rd8 29.Nc4 Rc7 30.Ned6 Rcd7 31.Nb7 Rb8 32.Rdb1 Ne2+ 33.Kf1 Nc3 34.Nbd6 Rbd8 35.R1b3 Na2 36.Rb8 Nc1 37.Rxd8+ Rxd8 38.Ra3 Nxd3 39.Ra8 Rxa8 40.Bxa8 Bf8 41.Be4 Nc5 42.Bc2 h5 43.Ke2 Be7 44.f3 Bd5 45.Be4 Nxe4 46.fxe4 Be6 47.Kd3 Bh3 48.Ke3 0-1 | ||||
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| 2671007 | Koch, Ju (1979) | Longhitano, Juan (1531) | 1-0 | |
| 1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 c6 5.b3 Be7 6.Bb2 O-O 7.O-O Nbd7 8.d3 Qc7 9.Nc3 e5 10.cxd5 cxd5 11.e3 a6 12.Rc1 Qd8 13.a3 Bd6 14.b4 Nb6 15.h3 h6 16.Nd2 Be6 17.Nb3 Nfd7 18.f4 f5 19.Na5 Rb8 20.Qb3 Qe7 21.Nxd5 Qf7 22.e4 exf4 23.Nc4 Nxc4 24.dxc4 fxe4 25.Nxf4 Bf5 26.Qd1 Qe7 27.Qd5+ Kh7 28.g4 Bxf4 29.Rxf4 Be6 30.Qxe4+ Kh8 31.Rxf8+ Rxf8 32.Re1 Re8 33.Qg6 Nf8 34.Qxh6+ Kg8 35.Qh5 Qd7 36.Bd5 Re7 37.Bc3 Qc7 38.Qe5 Qb6+ 39.Bd4 Qd8 40.Bc5 1-0 | ||||
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| 2670988 | Bruno, G (1665) | Koch, Ju (1979) | 0-1 | |
| 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.c4 Bb7 5.Nf3 Be7 6.Nc3 O-O 7.e3 d6 8.Be2 Nbd7 9.d4 c5 10.O-O d5 11.Qb3 cxd4 12.Nxd4 Nc5 13.Qd1 Rc8 14.cxd5 Nxd5 15.Nxd5 Bxd5 16.Bf3 Bf6 17.Nc6 Bxc6 18.Qxd8 Rfxd8 19.Bxf6 gxf6 20.Bxc6 Rd2 21.Rfd1 Rcd8 22.Rxd2 Rxd2 23.f3 f5 24.e4 f4 25.Kf1 Kf8 26.a4 Nb3 27.Ra3 Na5 28.Ba8 Rd8 29.Bc6 Nc4 30.Ra2 Ne3+ 31.Kf2 Rd1 32.g3 Rh1 33.Ra3 Rxh2+ 34.Kg1 Rg2+ 35.Kh1 Rxg3 36.a5 Nc4 37.axb6 axb6 38.Rc3 Ne5 39.Rc1 Nxf3 40.e5 Nxe5 41.Be4 Ke7 42.Rc7+ Kd6 43.Rc8 f3 44.Kh2 Rg4 45.Rd8+ Ke7 0-1 | ||||
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| 2670971 | Koch, Ju (1979) | Soza, Fernando | 0-1 | |
| 1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 e6 5.O-O Be7 6.b3 O-O 7.Bb2 c5 8.e3 d6 9.Nc3 Nbd7 10.Qe2 Ne4 11.Nxe4 Bxe4 12.d3 Bb7 13.d4 Nf6 14.Rfd1 Qc8 15.Rac1 Rd8 16.d5 exd5 17.cxd5 Nxd5 18.e4 Ba6 19.Qc2 Nb4 20.Qb1 Qe6 21.a3 Nc6 22.Rd5 Bf6 23.Ng5 Qe7 24.Bxf6 Qxf6 25.f4 g6 26.e5 dxe5 27.Ne4 Qe7 28.Nxc5 bxc5 29.Rdxc5 Nd4 30.Rxe5 Ne2+ 31.Kf2 Qxa3 32.Rxe2 Bxe2 33.Bxa8 Bd3 34.Rd1 Bxb1 35.Rxd8+ Kg7 36.Bd5 Bf5 37.Bc4 h5 38.Rb8 Qc5+ 39.Ke2 Bg4+ 0-1 | ||||
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| 2670945 | Sola, Jose Antonio (1692) | Koch, Ju (1979) | 1/2-1/2 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Be2 O-O 8.Qd2 d5 9.exd5 Nxd5 10.Nxd5 Qxd5 11.Bf3 Qc4 12.b3 Qa6 13.Be2 Qb6 14.Ne6 Qb4 15.Nxg7 Qxd2+ 16.Bxd2 Nd4 17.Bd3 Kxg7 18.Bc3 e5 19.O-O-O Bg4 20.Rde1 Rfe8 21.Rxe5 Rxe5 22.Bxd4 f6 23.Bxe5 fxe5 24.Be4 Rb8 25.f3 Bf5 26.Rd1 Kf6 27.Bd5 b5 28.c3 h5 1/2-1/2 | ||||
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| 2670915 | Koch, Ju (1979) | Abate, T (1726) | 1/2-1/2 | |
| 1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Nge2 O-O 6.Ng3 e5 7.d5 Nbd7 8.h4 h5 9.Be2 a5 10.Bg5 Qe8 11.Nb5 Qd8 12.Bxh5 gxh5 13.Nxh5 Nc5 14.Nc3 Kh8 15.Qf3 Bg4 16.Qxf6 Bxh5 17.Qxd8 Raxd8 18.Bxd8 Rxd8 19.O-O Bf6 20.f3 Bxh4 21.g4 Bg6 22.Kg2 Kg7 23.Rad1 c6 24.b3 Bg5 25.Na4 Nxa4 26.bxa4 Be3 27.Rb1 cxd5 28.cxd5 b6 29.Rb3 Bc5 30.Rc3 f6 31.Rc4 Rb8 1/2-1/2 | ||||
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| 2670879 | Payba, Joaquin (1100) | Koch, Ju (1979) | 0-1 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bb5 O-O 8.Qd2 Ng4 9.Nxc6 bxc6 10.Bd3 Nxe3 11.Qxe3 d5 12.O-O-O d4 13.Qf3 dxc3 14.Bb5 Qb6 15.Qd3 Be6 16.b3 cxb5 17.Rde1 Rfd8 18.Qf3 Qa5 19.a4 bxa4 20.Re3 axb3 21.cxb3 Qa1+ 22.Kc2 Qb2# 0-1 | ||||
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| 2676461 | Koch, Ju (1979) | GM Valerga, D (2452) | 0-1 | |
| 1.c4 Nf6 2.Nf3 e6 3.d4 d5 4.Nc3 Bb4 5.e3 O-O 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 Qc7 10.Qc2 dxc4 11.Bxc4 e5 12.Bd3 Bg4 13.Ng5 h6 14.Ne4 Nxe4 15.Bxe4 exd4 16.cxd4 cxd4 17.Bxc6 bxc6 18.exd4 Be6 19.Be3 Bd5 20.Qf5 Rfe8 21.Rfe1 Qa5 22.Rec1 Re6 23.Rc5 Qd8 24.Qh5 Qe7 25.Rxd5 cxd5 26.Qxd5 Rc8 27.h3 Rd6 28.Qa5 Qb7 29.Qd2 Qd5 30.Rc1 Rxc1+ 31.Qxc1 Rg6 32.g3 Rc6 33.Qd2 Rb6 34.Qc2 Rb3 35.Qc8+ Kh7 36.Qc2+ g6 37.Bc1 a5 38.Kh2 a4 39.Qd2 h5 40.Qf4 Kg8 41.Qd2 h4 42.Qf4 hxg3+ 43.fxg3 Rd3 44.Qe5 Qa2+ 0-1 | ||||
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| 2676414 | Koch, Ju (1979) | Ortiz, Santiago | 1-0 | |
| 1.Nf3 e6 2.c4 Nf6 3.g3 Be7 4.Bg2 O-O 5.O-O d5 6.d4 Nc6 7.b3 dxc4 8.bxc4 a6 9.Bb2 b5 10.Ne5 Bb7 11.Nxc6 Bxc6 12.Bxc6 Rb8 13.cxb5 axb5 14.Nd2 b4 15.Nc4 Ng4 16.e4 f6 17.Qxg4 f5 18.exf5 exf5 19.Qe2 b3 20.Qe6+ Kh8 21.Ne5 Rf6 22.Nf7+ Rxf7 23.Qxf7 bxa2 24.Rxa2 Bf6 25.Re1 h6 26.Re8+ Qxe8 27.Bxe8 Kh7 28.Ra6 c5 29.Rxf6 cxd4 30.Rxh6+ Kxh6 31.Qh5# 1-0 | ||||
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| 2676429 | FM Mussanti, D (2288) | Koch, Ju (1979) | 1-0 | |
| 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Bxf6 gxf6 9.Na3 b5 10.Nd5 1-0 | ||||
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| 2757359 | Balzano, I (2150) | Koch, Ju (2025) | 1/2-1/2 | |
| 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Bxc6 dxc6 5.d3 Bg7 6.h3 e5 7.O-O f6 8.Be3 b6 9.Nc3 Be6 10.a3 Qe7 11.Qe2 Nh6 12.Rfb1 O-O 13.b4 cxb4 14.axb4 Nf7 15.Na4 f5 16.c4 f4 17.Bd2 g5 18.Nh2 Rad8 19.c5 b5 20.Nb2 Bc8 21.Bc3 1/2-1/2 | ||||
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| 2757329 | Koch, Ju (2025) | Torres, Federico (2172) | 1/2-1/2 | |
| 1.Nf3 c6 2.c4 Nf6 3.g3 d6 4.Bg2 e5 5.Nc3 g6 6.O-O Bg7 7.d3 O-O 8.Rb1 Re8 9.e4 Bg4 10.h3 Bxf3 11.Bxf3 h5 12.h4 Nbd7 13.b4 Nf8 14.b5 Ne6 15.Be3 Nd7 16.Bg2 Nd4 17.bxc6 bxc6 18.Ne2 Qa5 19.Nxd4 exd4 20.Bf4 Be5 21.Qd2 Qc7 22.Bh6 Rab8 23.Bh3 Bh8 24.Bxd7 Qxd7 25.Kg2 Rb7 26.Rxb7 Qxb7 27.Re1 Rb8 28.Bf4 Be5 29.Bxe5 dxe5 30.Qg5 Re8 31.Qf6 Qb6 32.Qd6 Re6 33.Qa3 Kg7 34.Re2 Qb1 35.Qb3 Qxb3 36.axb3 c5 37.Ra2 Rb6 38.Ra3 Kf6 39.Kf3 a5 40.Rxa5 Rxb3 41.Ke2 Rb2+ 42.Ke1 Rb1+ 43.Ke2 1/2-1/2 | ||||
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| 2759056 | FM Montero Martinez, C (2050) | Koch, Ju (2025) | 0-1 | |
| 1.d4 Nf6 2.Nf3 g6 3.c4 c5 4.d5 d6 5.Nc3 Bg7 6.Bg5 h6 7.Bf4 Bf5 8.Qa4+ Nbd7 9.Nd2 g5 10.Bg3 O-O 11.e4 Bg6 12.Be2 a6 13.h4 b5 14.Qc2 Nb6 15.hxg5 hxg5 16.Bd3 bxc4 17.Nxc4 Nxc4 18.Bxc4 Qa5 19.O-O Rfb8 20.Rac1 Nh5 21.Bh2 Bd4 22.Rfe1 g4 23.Kf1 g3 24.Bxg3 Nxg3+ 25.fxg3 Kg7 26.g4 Rh8 27.Ke2 Rh2 28.Kd3 Rah8 29.Qe2 f6 30.Kc2 Rb8 31.Kd3 Rbh8 32.Kc2 Rb8 33.Kd3 Qb4 34.b3 a5 35.a4 Qb7 36.Nb5 Be5 37.Rh1 Rbh8 38.Rxh2 Rxh2 39.Qd2 Rh4 40.Qxa5 Qc8 41.Qc7 Bxe4+ 42.Kxe4 Qxg4+ 43.Ke3 Qg3+ 44.Kd2 Qxg2+ 45.Be2 Qxd5+ 0-1 | ||||
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| 2758986 | Fiori, A (2091) | Koch, Ju (2025) | 1/2-1/2 | |
| 1.d4 Nf6 2.Nf3 g6 3.Nc3 d5 4.Bf4 Bg7 5.Qd2 Ne4 6.Nxe4 dxe4 7.Ne5 Be6 8.e3 Nd7 9.Nxd7 Qxd7 10.c4 f5 11.h4 Bf7 12.Qb4 O-O 13.Be2 b6 14.Rd1 Rfe8 15.h5 e5 16.dxe5 Qe7 17.Qxe7 Rxe7 18.hxg6 hxg6 19.b3 Bxe5 20.Bxe5 Rxe5 21.Rd7 Rc8 22.g4 Rce8 23.gxf5 gxf5 24.Rxc7 f4 25.exf4 Ra5 26.a4 e3 27.Rxf7 exf2+ 28.Kxf2 Kxf7 29.Bh5+ Rxh5 30.Rxh5 Kg6 31.Rd5 Re4 32.Kf3 Re1 33.Rd7 Rb1 34.Rxa7 Rxb3+ 35.Kg4 Rb4 36.Rc7 Rxa4 37.Rc6+ Kf7 38.Kg5 Rb4 39.f5 Rb1 40.Rc7+ Ke8 41.f6 Rg1+ 42.Kf5 Rb1 43.f7+ Kf8 44.Ke6 Re1+ 45.Kd7 Rb1 46.Kc6 Rb4 47.Kd6 Rb1 48.Rb7 Rb2 49.Kc6 Rb4 50.Kd5 Rb1 51.Rc7 Rd1+ 52.Kc6 Rb1 53.Kb7 Rb4 54.Ka6 Kg7 1/2-1/2 | ||||
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| 2758955 | Koch, Ju (2025) | Churba, D (2114) | 1-0 | |
| 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 e5 7.d3 Nbd7 8.Rb1 c6 9.Nd2 a5 10.a3 Nb6 11.b4 axb4 12.axb4 d5 13.c5 Nbd7 14.e4 d4 15.Na4 b5 16.cxb6 Nxb6 17.Nxb6 Qxb6 18.Nc4 Qc7 19.Qc2 Be6 20.Bg5 h6 21.Bd2 Nd7 22.f4 Rfb8 23.Rfc1 f6 24.Na5 c5 25.f5 Bf7 26.fxg6 Be6 27.Qd1 Qd6 28.Qh5 cxb4 29.Nc6 b3 30.Nxb8 Rxb8 31.Bh3 b2 32.Bxe6+ Qxe6 33.Rf1 Qa6 34.Bxh6 Nf8 35.Bxg7 Kxg7 36.Qe2 Qa2 37.Qc2 Ne6 38.Rf2 Nc5 39.Rxb2 Rxb2 40.Qxb2 Qxb2 41.Rxb2 Nxd3 42.Rc2 Ne1 43.Rc7+ Kxg6 44.Kf2 Nd3+ 45.Ke2 Nb4 46.Rc4 Na6 47.h4 Nb8 48.g4 Nd7 49.Rc7 Nf8 50.Re7 Kh6 51.Rf7 Ng6 52.Rxf6 Kg7 53.Rf5 Nxh4 54.Rxe5 Ng2 55.Kd3 1-0 | ||||
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| 2758915 | WFM Meza, A (2101) | Koch, Ju (2025) | 1/2-1/2 | |
| 1.d4 e6 2.c4 d5 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Bb4 6.e3 h6 7.Bh4 Nbd7 8.Bd3 c5 9.Ne2 c4 10.Bc2 Qa5 11.O-O O-O 12.f3 Bxc3 13.Nxc3 b5 14.e4 b4 15.Nxd5 Nxd5 16.exd5 Nb6 17.d6 Be6 18.Re1 Nd5 19.Re5 Qb6 20.Be4 Qxd6 21.Bxd5 Bxd5 22.Be7 Qc6 23.Bxf8 Rxf8 24.Rc1 Rd8 25.Qd2 Qd6 26.Rd1 f6 27.Re3 a5 28.Qc2 Qf4 29.Re7 Qd6 30.Qe2 Kf8 31.Re3 a4 32.a3 b3 33.Qe1 Qb6 34.Qc3 Bf7 35.Kh1 Bd5 36.h3 Bf7 37.Re2 Bd5 38.Qe3 Qd6 39.Rde1 Bf7 40.Rd2 Bd5 41.Qc3 Qb6 42.Rde2 Bf7 43.Rd2 1/2-1/2 | ||||
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| 2758872 | Anino, S (2159) | Koch, Ju (2025) | 1-0 | |
| 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 Na6 8.Bg5 Qe8 9.Nd2 Bd7 10.O-O h6 11.Be3 Nh7 12.a3 f5 13.f3 f4 14.Bf2 g5 15.b4 c5 16.dxc6 bxc6 17.c5 Nc7 18.cxd6 Ne6 19.Nb3 Nf6 20.Na4 g4 21.Nac5 g3 22.hxg3 fxg3 23.Bxg3 Nf4 24.Bc4+ Kh8 25.Nxd7 Nxd7 26.Nc5 Nxc5 27.bxc5 Qg6 28.Qe1 Rab8 29.Ra2 Rb7 30.Bh4 Rfb8 31.Qg3 Qe8 32.Qg4 Qf8 33.g3 Bf6 34.Qf5 Bxh4 35.gxf4 Qxf5 36.exf5 exf4 37.Bd3 Bf6 38.Rc1 Rb2 39.Rxb2 Bxb2 40.Rc4 Bxa3 41.Be4 Rd8 42.Bxc6 Bxc5+ 43.Rxc5 Rxd6 44.Bd5 Kg7 45.Be6 Kf6 46.Rc7 a5 47.Ra7 Rd1+ 48.Kg2 Ra1 49.Kh3 Ke5 50.Kg4 Rg1+ 51.Kh5 Ra1 52.Kxh6 Ra3 53.Kg5 Rxf3 54.Rxa5+ Kd6 55.Rd5+ Kc6 56.Rd4 1-0 | ||||
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| 2759017 | Koch, Ju (2025) | Molina, PaS (2239) | 0-1 | |
| 1.Nf3 f5 2.c4 e6 3.g3 c6 4.Bg2 d5 5.b3 Qf6 6.d4 Bd6 7.Bg5 Qg6 8.Qc1 Nd7 9.Bf4 Be7 10.Ne5 Nxe5 11.dxe5 Nh6 12.h4 O-O 13.Nd2 Qe8 14.Nf3 Nf7 15.h5 b6 16.h6 g6 17.O-O Bb7 18.Qe3 Qd8 19.cxd5 cxd5 20.Qd2 g5 21.Be3 Kh8 22.Nd4 Qd7 23.f4 g4 24.Kf2 Nxh6 25.Rh1 Ng8 26.Rh5 Bc5 27.Rah1 Rf7 28.Nc2 a5 29.Bd4 Qb5 30.Bf1 Qc6 31.e3 Rc8 0-1 | ||||
