WORLDBASE

WORLDBASE Players FM Ypma, P

Stockfish
GameID: 0
FIDE Country B-Year Gender Standard Rapid Blitz
1027255 NED 1992 M 2274 0 2237
136 games
2025.05.03 Sardinia World Open A
98171 Fulgentini, Edoardo (2113) FM Ypma, P (2288) 1/2-1/2
1.d4 g6 2.e4 Bg7 3.Nc3 d6 4.g3 Nd7 5.Bg2 e5 6.Nge2 f5 7.exf5 gxf5 8.dxe5 dxe5 9.Qd3 Nb6 10.Qxd8+ Kxd8 11.Bg5+ Bf6 12.O-O-O+ Nd7 13.Bxf6+ Nxf6 14.f4 Ng4 15.fxe5 Nxe5 16.Nd4 c6 17.Rhf1 Kc7 18.Rxf5 Ng4 19.Re1 Nxh2 20.Rf7 Ng4 21.Ree7 h5 22.Be4 Kb6 23.Rxd7 Bxd7 24.Rxd7 Nf6 25.Rf7 1/2-1/2
2025.05.02 Sardinia World Open A
98135 FM Ypma, P (2288) Duraccio, Walter Mattia (2020) 1/2-1/2
1.e4 c6 2.d4 d5 3.f3 Qb6 4.a4 a5 5.exd5 cxd5 6.Ra3 Nc6 7.c3 Bf5 8.Rb3 Qc7 9.Na3 Rd8 10.Nb5 Qb8 11.Bd3 Bxd3 12.Qxd3 f6 13.f4 e6 14.Nf3 Nh6 15.O-O Bd6 16.Nxd6+ Rxd6 17.f5 Nxf5 18.Bf4 O-O 19.c4 e5 20.cxd5 Ncxd4 21.Rc3 Nxf3+ 22.Rxf3 Nd4 23.Rh3 g6 24.Be3 1/2-1/2
2025.05.01 Sardinia World Open A
98098 FM Ypma, P (2288) Rubinshtein, Kamilla (2058) 1-0
1.c4 e5 2.Nc3 Bb4 3.g3 Bxc3 4.bxc3 d6 5.Bg2 Nf6 6.e4 Be6 7.d3 c6 8.Nf3 h6 9.O-O O-O 10.a4 Qd7 11.c5 Bg4 12.cxd6 Qxd6 13.Ba3 c5 14.d4 Nbd7 15.Re1 Rfe8 16.d5 Qa6 17.h3 Bxf3 18.Bxf3 Red8 19.Qc2 Rac8 20.c4 Nb6 21.Rec1 Qxa4 22.Bb2 Qxc2 23.Rxc2 Nbd7 24.Rxa7 Rb8 25.Bc3 Ne8 26.Bg4 Nef6 27.Bxd7 Nxd7 28.Rb2 b6 29.Rba2 Kf8 30.f4 exf4 31.gxf4 Nf6 32.Be5 Rbc8 33.Rb7 Ra8 34.Rxa8 Rxa8 35.Bxf6 gxf6 36.Rxb6 Ra4 37.Rxf6 Rxc4 38.e5 Ke8 39.Kf2 Rd4 40.Ke3 Rxd5 41.Rxh6 c4 42.Rc6 Rd3+ 43.Ke4 Rxh3 44.Rxc4 f6 45.e6 Ke7 46.f5 Rh4+ 47.Kd5 Rh1 48.Rc7+ Ke8 49.Rf7 Rd1+ 50.Ke4 Re1+ 51.Kd3 Rd1+ 52.Ke2 Rh1 53.Rxf6 Rh3 54.Rf7 Ra3 55.f6 Ra6 56.Re7+ Kf8 57.Kf3 Rb6 58.Kg4 Ra6 59.Kf5 Ra5+ 60.Kg6 1-0
2025.04.30 Sardinia World Open A
98059 WFM Hu, Jiani (2091) FM Ypma, P (2288) 1/2-1/2
1.d4 g6 2.g3 Bg7 3.Bg2 f5 4.Nf3 Nf6 5.O-O O-O 6.c4 c6 7.Nc3 d6 8.b3 Qc7 9.Bb2 e5 10.e3 f4 11.exf4 exf4 12.Qd2 Bh6 13.d5 c5 14.h4 Bg4 15.Ng5 fxg3 16.fxg3 Nbd7 17.Rae1 Rae8 18.Rxe8 Nxe8 19.Rxf8+ Nxf8 20.Nb5 Qe7 21.Nxa7 Bg7 22.Bxg7 Qxg7 23.Qf4 Bd7 24.a4 Qa1+ 25.Qf1 Qd4+ 26.Kh1 Nf6 27.Nb5 Bxb5 28.axb5 b6 1/2-1/2
2025.04.30 Sardinia World Open A
98023 FM Ypma, P (2288) Karanikolas, D (2054) 1/2-1/2
1.c4 e6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Be7 5.d4 O-O 6.O-O b6 7.b3 Bb7 8.Bb2 Nbd7 9.Nbd2 dxc4 10.Nxc4 c5 11.e3 cxd4 12.Nxd4 Bxg2 13.Kxg2 Qc7 14.Qf3 Rfc8 15.Rac1 Nc5 16.Nb5 Qd7 17.Nc3 Qb7 18.Qxb7 Nxb7 19.Rfd1 Kf8 20.Ne5 Nd6 21.Ne2 Rxc1 22.Rxc1 Rc8 23.Nc6 a6 24.f3 Nb7 25.b4 Nd5 26.Nxe7 Rxc1 27.Bxc1 Nxe7 28.e4 Nc6 29.a3 b5 30.Nc3 Nd6 31.Be3 Nc4 32.Bc5+ Ke8 33.a4 1/2-1/2
2025.04.29 Sardinia World Open A
97990 Cedriano, Mattia (2067) FM Ypma, P (2288) 0-1
1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Nc3 a6 5.Be3 b5 6.Qd2 Bb7 7.a3 Nf6 8.Bd3 Nbd7 9.h3 O-O 10.Bh6 c5 11.Bxg7 Kxg7 12.e5 Ne8 13.Be4 Bxe4 14.Nxe4 cxd4 15.e6 fxe6 16.Nxd4 Nc7 17.Qc3 Kg8 18.O-O-O Ne5 19.Rhe1 a5 20.Ng5 Rf6 21.Qb3 a4 22.Qa2 Nc4 23.Nxb5 d5 24.Nxc7 Qxc7 25.Nxe6 Qa5 26.Re4 Rc8 27.Re5 Qb6 28.Nd4 0-1
2025.04.28 Sardinia World Open A
104875 Floris, Federico (2096) FM Ypma, P (2288) 1-0
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6 5.Nb3 g6 6.Be3 Qb4+ 7.Nc3 Bg7 8.Qd2 Bxc3 9.bxc3 Qxe4 10.c4 Nf6 11.f3 Qe5 12.O-O-O Qc7 13.c5 b6 14.Bh6 Rg8 15.Bg5 Nh5 16.Bc4 Ng7 17.Bf4 e5 18.Rhe1 Ne6 19.Bg3 g5 20.Bd5 f6 21.f4 gxf4 22.Bh4 Rg6 23.g3 fxg3 24.hxg3 Ng5 25.Rf1 Ba6 26.Rxf6 Rg7 27.Bxg5 O-O-O 28.Rxc6 dxc6 29.Be6+ Rdd7 30.Bf6 Kb7 31.Qxd7 Rxd7 32.Rxd7 1-0
2025.04.27 Sardinia World Open A
104807 FM Ypma, P (2288) Kukushkin, Ivan (2029) 1-0
1.g3 d5 2.Bg2 e5 3.d4 e4 4.c4 c6 5.Nc3 Nf6 6.Nh3 Be7 7.Qb3 Na6 8.cxd5 cxd5 9.Bf4 O-O 10.O-O b6 11.Be5 Be6 12.Nf4 Qd7 13.Bxf6 Bxf6 14.Ncxd5 Bxd4 15.Rad1 Be5 16.Qa3 Qb5 17.Bxe4 Bxb2 18.Qf3 Rae8 19.Bxh7+ Kxh7 20.Qh5+ Kg8 21.Ne7+ Rxe7 22.Qxb5 Bf6 23.Nxe6 Rxe6 24.Qxa6 Re7 25.Rd2 Bc3 26.Rd5 g6 27.Rfd1 Rfe8 28.e3 Kg7 29.Rd7 Re6 30.Qxa7 Rf6 31.R1d6 Rf5 32.g4 Rg5 33.Rxf7+ Kg8 34.h3 Be5 35.Rh7 Rf8 36.Rd8 1-0
2025.04.27 Sardinia World Open A
104815 FM Ypma, P (2288) GM Abdrlauf, Elham (2546) 0-1
1.c4 e6 2.e4 d5 3.exd5 exd5 4.d4 Nf6 5.Nf3 Be7 6.Nc3 O-O 7.Be2 dxc4 8.Bxc4 Nbd7 9.O-O Nb6 10.Bd3 Bg4 11.a3 c6 12.Be2 Nbd5 13.h3 Bh5 14.g4 Bg6 15.Ne5 Nxc3 16.bxc3 Ne4 17.Qb3 Qb6 18.Qxb6 axb6 19.Bb2 b5 20.Rfe1 Bh4 21.Rf1 Rfe8 22.Nxg6 hxg6 23.Bd3 Nd2 24.Rfd1 Nc4 25.Bc1 Nb6 26.g5 Na4 27.c4 Nc3 28.Rf1 bxc4 29.Bxc4 Ra4 30.Bb3 Ra5 31.Bd2 Ne2+ 32.Kg2 Rf5 33.Bc2 Rd5 34.Bb3 Rdd8 35.Rad1 Nxd4 36.Ba5 Rd6 37.Bc7 Rd7 38.Bb6 Re4 39.Bc2 Rf4 40.Ba5 Bxg5 41.Bb1 Bf6 42.Rfe1 Rh4 43.Re8+ Kh7 44.Rd3 Rh5 45.Bd2 Rb5 46.Bc2 Rbd5 47.Bb1 Nb5 48.Rxd5 Rxd5 49.Bb4 c5 50.Ba5 Nxa3 51.Ba2 c4 52.Bb4 Nc2 53.Bxc4 Rg5+ 54.Kf1 Nxb4 55.Bxf7 Re5 56.Rc8 Re7 57.Bb3 Nc6 58.Bg8+ Kh6 59.Bd5 Kg5 60.Bxc6 bxc6 61.Rxc6 Ra7 62.Kg2 Ra2 63.Rd6 Kf5 64.Kf3 Bh4 0-1
2022.08.04 Dutch Open 2022
1251044 Domalchuk-Jonasson, Aleksandr (2244) FM Ypma, P (2346) 1/2-1/2
1.d4 g6 2.e4 Bg7 3.Nf3 d6 4.c3 Nf6 5.Bd3 O-O 6.h3 e5 7.O-O Nc6 8.a4 d5 9.exd5 Nxd5 10.dxe5 Nxe5 11.Nxe5 Bxe5 12.Re1 Re8 13.Na3 c6 14.Nc4 Bg7 15.Rxe8+ Qxe8 16.Bf1 Qe7 17.Ne3 Be6 18.Qf3 Rd8 19.Nxd5 cxd5 20.Be3 d4 21.cxd4 Bxd4 22.Rd1 Bxe3 23.Rxd8+ Qxd8 24.Qxe3 b6 25.a5 bxa5 26.Qxa7 h5 27.Qe3 Qd1 28.Qd3 Qc1 29.Qb5 Qd2 30.Qd3 Qb4 31.Qc2 Kf8 32.Bd3 Qe1+ 33.Kh2 Qe5+ 34.Kg1 h4 35.Be4 g5 36.Bf3 Kg7 37.Qd2 Kg6 38.Bd1 f5 39.b4 axb4 1/2-1/2
2022.08.03 Dutch Open 2022
1251030 FM Ypma, P (2346) Bus, T (2102) 1-0
1.e4 c5 2.c4 Nc6 3.Nc3 d6 4.g3 g6 5.Bg2 Bg7 6.Nge2 Rb8 7.O-O Nf6 8.d3 O-O 9.h3 Ne8 10.Be3 Nc7 11.d4 cxd4 12.Nxd4 Ne6 13.Nde2 Nc5 14.Rc1 Be6 15.b3 a5 16.Kh2 Qd7 17.Qd2 Rfc8 18.Rcd1 Qd8 19.f4 b6 20.Nd4 Nxd4 21.Bxd4 Bxd4 22.Qxd4 f6 23.Qe3 Qf8 24.Nb5 Qh6 25.Rfe1 Nd7 26.Nd4 Bg4 27.Rd2 Rc5 28.e5 fxe5 29.Nc6 Rxc6 30.Bxc6 Qxh3+ 31.Kg1 exf4 32.Bd5+ Kh8 33.Qc3+ e5 34.Bg2 Qxg3 35.Qxg3 fxg3 36.Re3 h5 37.Rxg3 Kg7 38.Rxd6 Nf6 39.Rc3 Nd7 40.Re3 Kf7 41.Bd5+ Kg7 42.Bc6 Nf6 43.Rxe5 Rf8 44.Bd5 Nxd5 45.Rexd5 Re8 46.Rd2 Rb8 47.a4 Bf5 48.Rc6 h4 49.Rh2 h3 50.Rf2 Kf7 51.Kh2 Ke7 52.Rd2 Kf7 53.Rdd6 Re8 54.Rc7+ Kg8 55.Rxb6 Re2+ 56.Kg3 Re3+ 57.Kf2 Re8 58.Rbb7 g5 59.Rg7+ Kh8 60.Rxg5 Be4 61.Rb6 h2 62.Rh6+ Bh7 63.Rgh5 Rf8+ 64.Kg2 h1=B+ 65.Rxh1 Rg8+ 66.Kf2 Rg6 67.Rxh7+ 1-0
2022.08.02 Dutch Open 2022
1251014 FM Elgersma, Onno (2316) FM Ypma, P (2346) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.O-O d6 6.c3 O-O 7.Bg5 Bb6 8.a4 a6 9.Bc4 Ne7 10.Nbd2 c6 11.Ba2 Ng6 12.Nh4 Nxh4 13.Bxh4 h6 14.Bg3 Bg4 15.Qc2 Nh5 16.Kh1 Bc7 17.d4 Qf6 18.Qd3 exd4 19.cxd4 Nxg3+ 20.fxg3 Qg6 21.Nf3 Bd8 22.Rae1 Bf6 23.Qd2 b5 24.Bb1 Bg5 25.Qc3 Qe6 26.e5 Qc4 27.Qxc4 bxc4 28.exd6 Bxf3 29.Rxf3 Rad8 30.Ba2 Rxd6 31.Bxc4 Rxd4 32.b3 a5 33.Rf5 Bd2 34.Rd1 Rfd8 35.Bxf7+ Kh7 36.h4 Bb4 37.Rxd4 Rxd4 38.h5 Rd3 39.Bg6+ Kg8 40.Re5 Rd1+ 41.Kh2 Re1 42.Rf5 Re3 43.Rf7 Rxb3 44.Rc7 Kf8 45.Rxc6 Ra3 46.Re6 Be7 47.Re4 Rc3 48.Kh3 Rc8 49.Kg4 Rb8 50.Kf5 Rb4 51.Re5 Rxa4 52.Rb5 Rd4 53.Rxa5 Rd8 54.g4 Rb8 55.Ra6 Bd8 56.Ra7 Be7 57.Ke6 Bg5 58.Ra6 Kg8 59.Rc6 Rf8 60.Rc7 Rf6+ 61.Kd7 Rf8 62.Be8 Rf1 63.Rc8 Rf8 64.Ra8 Bh4 65.Ra3 Bg5 66.g3 Rf1 67.Ra8 Rf8 68.Rc8 Kh8 69.Rb8 Kg8 70.Rb5 Rf1 71.Bg6 Rf8 72.Rb7 Rf6 73.Rb5 Rf8 74.Be4 Rf7+ 75.Ke6 Re7+ 76.Kd5 Re8 77.Kd4 Bf6+ 78.Kd3 Rd8+ 79.Bd5+ Kh7 80.Ke3 Bg5+ 81.Ke4 Re8+ 82.Kf5 Rf8+ 83.Ke5 Bf6+ 84.Ke6 Bg5 85.Rb7 Rf6+ 86.Kd7 Rf8 87.Rb5 Rd8+ 88.Ke6 Rf8 89.Be4+ Kg8 90.Bg6 Rf6+ 91.Kd7 Rf8 92.Rb7 Rf6 93.Rb8+ Rf8 94.Bh7+ Kf7 95.Rb7 Rd8+ 96.Kc6+ Kf8 97.Rc7 Rd1 98.Bc2 Rd4 99.Bb3 Rxg4 100.Rf7+ Ke8 101.Rxg7 Rxg3 102.Bd5 Bf4 103.Rh7 Rc3+ 104.Kb5 Rc7 105.Rh8+ Ke7 106.Bc6 Kf6 107.Rg8 Rg7 108.Rxg7 Kxg7 1/2-1/2
2022.08.01 Dutch Open 2022
1250994 Lahaye, R (2417) FM Ypma, P (2346) 1-0
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e5 6.Be3 d6 7.Qd2 Be6 8.f4 Nd4 9.Nce2 Qd7 10.c3 Nxe2 11.Nxe2 Bh3 12.Bxh3 Qxh3 13.fxe5 Bxe5 14.d4 cxd4 15.cxd4 Bg7 16.Qb4 Qd7 17.Bf4 Nf6 18.Nc3 Rd8 19.O-O O-O 20.Bg5 Qe6 21.Rae1 Rc8 22.d5 Qe5 23.Bf4 Qh5 24.Bxd6 Ng4 25.h4 Rfe8 26.Qxb7 Bd4+ 27.Kg2 g5 28.Rf5 Ne3+ 29.Rxe3 Bxe3 30.Bc7 Qg6 31.hxg5 Bb6 32.Bxb6 axb6 33.Rf6 Qh5 34.d6 Rcd8 35.g6 Rf8 36.gxh7+ Kxh7 37.Qd5 Qg4 38.Rf5 Kg6 39.d7 f6 40.Qe6 1-0
2022.05.29 47th OKU 2022
1358939 FM Ypma, P (2340) Mensing, Adrian (1962) 1-0
1.d4 d5 2.Nc3 f5 3.Bf4 Nf6 4.e3 e6 5.h4 Bd6 6.Nf3 Bxf4 7.exf4 O-O 8.Ne5 Nc6 9.g3 Bd7 10.Bg2 Rc8 11.O-O Be8 12.Re1 Bh5 13.Nxc6 bxc6 14.Qd3 Qd6 15.Na4 Ne4 16.Qe3 Qb4 17.b3 Bf7 18.c3 Qb5 19.Bf1 Qa5 20.Kg2 Nf6 21.Nc5 Ne4 22.Na4 Nf6 23.Qc1 Nd7 24.Qa3 c5 25.b4 1-0
2022.05.28 47th OKU 2022
1358910 CM Foerster-Yialamas, Lucas (2117) FM Ypma, P (2340) 1-0
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 a6 5.a4 b6 6.Nf3 Nd7 7.Bc4 e6 8.O-O Ne7 9.Re1 h6 10.Be3 O-O 11.Qd2 Kh7 12.h4 Nf6 13.Rad1 d5 14.Bd3 dxe4 15.Nxe4 Nf5 16.Nxf6+ Qxf6 17.Be4 Ra7 18.Bf2 Bb7 19.Bxb7 Rxb7 20.b3 Rd8 21.g4 Ne7 22.Ng5+ hxg5 23.hxg5 Qxd4 24.Bxd4 Rxd4 25.Qh2+ Kg8 26.c3 Rd5 27.Rxd5 Nxd5 28.f5 gxf5 29.gxf5 Bxc3 30.g6 fxg6 31.fxg6 c5 32.Rxe6 Nf6 33.Qg2 Rd7 34.Qh3 Rd1+ 35.Kf2 Rd2+ 36.Ke3 Nd5+ 37.Ke4 Rd4+ 38.Kf5 Rf4+ 39.Kg5 Kf8 40.Qh6+ Bg7 41.Re8+ Kxe8 42.Qxg7 Rd4 43.Qf7+ Kd8 44.g7 Ne7 45.g8=Q+ Nxg8 46.Qxg8+ Kc7 47.Qf7+ Kc6 48.Qe6+ Kb7 49.Kf5 a5 50.Qe7+ Kc6 51.Qa7 Rd7 52.Qb8 Rh7 53.Qc8+ Kd6 54.Kf6 Rd7 55.Qb8+ Kd5 56.Qa8+ Kd6 57.Qc8 Rc7 58.Qe6# 1-0
2022.05.28 47th OKU 2022
1358924 FM Becx, C (2101) FM Ypma, P (2340) 1/2-1/2
1.f4 g6 2.Nf3 Bg7 3.d3 d5 4.g3 Nf6 5.Bg2 O-O 6.O-O b6 7.e4 dxe4 8.dxe4 Nxe4 9.Ng5 Qxd1 10.Rxd1 f5 11.Nxe4 fxe4 12.Bxe4 c6 13.c3 Bg4 14.Re1 Rc8 15.Bg2 Kf7 16.Be3 1/2-1/2
2022.05.27 47th OKU 2022
1358887 Cornelisse, J (2164) FM Ypma, P (2340) 1/2-1/2
1.d4 g6 2.Nc3 Bg7 3.e4 c5 4.d5 d6 5.Be2 Bxc3+ 6.bxc3 Qa5 7.Bd2 Qa4 8.c4 Nf6 9.Bc3 O-O 10.f3 Nbd7 11.Qb1 Rb8 12.Qb3 Nb6 13.e5 Nh5 14.g4 Nf4 15.Bf1 e6 16.exd6 exd5 17.Qxa4 Nxa4 18.Bd2 g5 19.Bxf4 gxf4 20.Ne2 d4 21.Nxf4 Rd8 22.Bd3 Rxd6 23.Kf2 Bd7 24.Rhe1 Nb2 25.Re5 Nxd3+ 26.cxd3 b6 27.Rae1 Kf8 28.Rh5 Kg7 29.Rg5+ Kf8 30.Rh5 Kg7 31.Rg5+ Kf8 1/2-1/2
2018.04.29 TCh-BEL 2017-18
2585504 GM Van den Doel, E (2591) FM Ypma, P (2324) 1/2-1/2
1.d4 d6 2.e4 Nd7 3.Nf3 e5 4.Bc4 Be7 5.dxe5 Nxe5 6.Nxe5 dxe5 7.Qh5 g6 8.Qxe5 Nf6 9.Bh6 Rg8 10.Nc3 Qd6 11.Qxd6 Bxd6 12.Bd2 Be6 13.Bd3 O-O-O 14.Bg5 Be7 15.e5 Nd5 16.Bxe7 Nxe7 17.O-O-O h6 18.Be4 g5 19.Rxd8+ Rxd8 20.h4 g4 21.h5 Rg8 22.Nb5 Bd7 23.Nd4 Rg5 24.e6 fxe6 25.Ne2 Ng8 26.Bg6 Nf6 27.Ng3 Bc6 1/2-1/2
2018.04.22 TCh-BEL 2017-18
2587720 FM Ypma, P (2324) GM Burg, T (2511) 1/2-1/2
1.b3 d5 2.Bb2 Nf6 3.Nf3 Bg4 4.Ne5 Bf5 5.e3 Nbd7 6.f4 e6 7.Be2 Nxe5 8.fxe5 Nd7 9.O-O Be7 10.c4 c6 11.d4 O-O 12.Nc3 Bg5 13.cxd5 Bxe3+ 14.Kh1 cxd5 15.Nxd5 Bg5 16.Nc3 Bg6 17.Bf3 Rb8 18.Ba3 Be7 19.Bxe7 1/2-1/2
2018.02.25 TCh-BEL 2017-18
2611534 GM Saltaev, M (2477) FM Ypma, P (2324) 1-0
1.e4 b6 2.d4 Bb7 3.Nc3 e6 4.Bd3 Bb4 5.Ne2 Qh4 6.O-O Nf6 7.f3 g5 8.Nb5 Na6 9.e5 Nd5 10.g3 Qh5 11.a3 c6 12.c4 Ne7 13.Nbc3 Bxc3 14.Nxc3 c5 15.Ne4 Bxe4 16.Bxe4 Rd8 17.Qa4 Nb8 18.dxc5 Nbc6 19.cxb6 axb6 20.Be3 Rb8 21.Qb5 O-O 22.Rad1 Rb7 23.c5 g4 24.f4 Rfb8 25.cxb6 d5 26.Bg2 d4 27.Rxd4 Nxd4 28.Bxd4 Nd5 29.Bxd5 exd5 30.a4 Rc8 31.Qxd5 Rbb8 32.Qe4 Rc4 33.b3 Rb4 34.Qd5 Qh6 35.a5 Rc8 36.Bc5 Rb5 37.b4 Rcxc5 38.bxc5 Rb2 39.Qd8+ Kg7 40.Qf6+ 1-0
2017.11.19 TCh-BEL 2017-18
2660520 FM Ypma, P (2324) IM Leenhouts, K (2502) 1/2-1/2
1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d5 5.Bd3 O-O 6.h3 c5 7.c3 Qb6 8.Qb3 c4 9.Qxb6 axb6 10.Bc2 b5 11.Bxb8 Rxb8 12.O-O Ne8 13.Nbd2 Bf5 14.Bxf5 gxf5 15.Ne5 Rd8 16.f4 Nd6 17.a3 Ne4 18.Nef3 Rd6 19.Kh2 Ra8 20.Nxe4 fxe4 21.Ng1 Kf8 22.Ne2 Ke8 23.Kg1 Kd7 24.Kf2 Rg6 25.g3 Bf6 26.Ke1 Rag8 27.Rg1 h5 28.Kd2 Kc6 29.Raf1 R6g7 30.Ra1 e6 31.Raf1 Kd6 32.Rh1 Rh7 33.Rh2 Rhg7 34.Rhf2 Rh7 35.Ra1 Rh6 36.Rg1 Rh7 37.Rfg2 Bd8 38.Rf2 f5 39.h4 Rhg7 40.Rh2 Kc6 41.Rh3 Be7 42.Ra1 Ra8 43.Rhh1 Rgg8 44.Rhg1 Ra7 45.Kc2 Rga8 46.Rab1 Kb6 47.Rgc1 Rg8 48.Rh1 Raa8 49.Kd2 Rg4 50.Rh3 Kc6 51.Kc2 Rg7 52.Kd2 Bd6 53.Rhh1 b6 54.Kc2 Rag8 55.Rbg1 Be7 1/2-1/2
2017.10.22 TCh-BEL 2017-18
2671505 FM Ypma, P (2324) IM Hovhanisian, M (2466) 1/2-1/2
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Nf6 5.Ne2 c5 6.dxc5 Bxc5 7.O-O h6 8.Nd2 Nc6 9.Nb3 Bb6 10.c3 Bg4 11.h3 Be6 12.Nbd4 O-O 13.Bf4 Nxd4 14.Nxd4 Bxd4 15.cxd4 Qb6 16.Qd2 Ne4 17.Bxe4 dxe4 18.d5 Rad8 19.d6 Bd7 20.a4 Qb3 21.Ra3 Qe6 22.Qd4 g5 23.Bd2 Bc6 24.Bb4 a6 25.Rd1 Rd7 26.Bc5 f5 27.Rc3 f4 28.Qc4 Qxc4 29.Rxc4 Rf5 30.Ba3 Kf7 31.Re1 Ke6 32.b3 h5 33.Rc5 Rxc5 34.Bxc5 g4 35.g3 f3 36.h4 Bd5 37.b4 Bc6 38.a5 Bd5 39.Rc1 Rf7 40.Kf1 Bc6 41.Ke1 Rf5 42.Rd1 Bd5 43.Rd2 Kd7 44.Rc2 Bc6 45.Rd2 Bb5 46.Rd1 Be2 47.Rd2 Bd3 48.Rb2 Rd5 49.Kd2 Kc6 50.Ke3 Kb5 51.Rd2 Kc4 52.Rd1 Kc3 53.Rd2 Kb3 54.Kf4 Kc4 55.Ke3 Kc3 56.Rd1 Kc2 57.Ra1 Kb3 58.Rd1 Kb2 59.Kf4 Kc2 60.Ra1 Kd2 61.Ra2+ Kc3 62.Ke3 Bb1 63.Ra1 Bd3 64.Rc1+ Kb2 65.Rd1 Kc2 66.Ra1 Kb3 67.Rd1 Kb2 68.Bd4+ Kc2 69.Rd2+ Kb3 70.Bc5 Kc3 71.Ra2 Kc4 72.Rb2 Kb5 73.Rd2 Kc6 74.Rd1 Kb5 1/2-1/2
2017.07.23 11th Leiden Open A 2017
2721148 GM Sandipan, C (2575) FM Ypma, P (2283) 1-0
1.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 Nc6 5.d5 Nce7 6.e4 g6 7.c5 Nf6 8.Bb5+ c6 9.dxc6 Nxc6 10.Bg5 h6 11.Bxf6 Qxf6 12.Qd5 Bd7 13.O-O-O O-O-O 14.cxd6 Bg7 15.Kb1 Rhe8 16.Qc5 Bf8 17.Bxc6 Bxc6 18.Nb5 Kd7 19.Nc7 Bxd6 20.Nxe8 Kxe8 21.Qxa7 Bxe4+ 22.Ka1 g5 23.Rhe1 g4 24.Nd2 Bb8 25.Nxe4 1-0
2017.07.22 11th Leiden Open A 2017
2721137 FM Ypma, P (2283) IM Kuipers, S (2388) 1/2-1/2
1.b3 e5 2.Bb2 Nc6 3.e3 Nf6 4.Bb5 Bd6 5.Ne2 O-O 6.O-O e4 7.Ng3 Be5 8.Bxe5 Nxe5 9.d4 exd3 10.cxd3 d5 11.d4 Ng6 12.Be2 Re8 13.Nd2 Qd6 14.Rc1 c6 15.Qc2 Bg4 16.Qc5 Qd7 17.b4 Bxe2 1/2-1/2
2017.07.21 11th Leiden Open A 2017
2721132 FM Ypma, P (2283) GM Pruijssers, R (2508) 1-0
1.d4 f5 2.Nf3 Nf6 3.Bf4 e6 4.h3 b6 5.e3 Bb7 6.Bd3 Be7 7.Nbd2 O-O 8.c3 Ne4 9.Rg1 d5 10.Qe2 Nd7 11.g4 Bd6 12.Bxd6 cxd6 13.gxf5 exf5 14.O-O-O Qf6 15.Rg2 Rae8 16.Rdg1 Re7 17.Ng5 h6 18.Ngf3 Qe6 19.Nh4 g5 20.f4 Rg7 21.fxg5 h5 22.Qf3 b5 23.Bxb5 Nb6 24.Qxh5 Nc4 25.Qh6 Qc8 26.Nxe4 dxe4 27.g6 f4 28.Rg5 Qxh3 29.Bxc4+ d5 30.Nf5 Qf3 31.Qxg7# 1-0
2017.07.20 11th Leiden Open A 2017
2721126 GM Gavrilov, Al1 (2491) FM Ypma, P (2283) 0-1
1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 4.Nf3 e5 5.Bc4 Be7 6.O-O c6 7.a4 Qc7 8.Ba2 h6 9.Qd3 g5 10.Be3 Nf8 11.Qc4 Rh7 12.a5 Ng6 13.dxe5 dxe5 14.Nd5 Nxd5 15.exd5 Bd7 16.Rfd1 Qb8 17.dxc6 Bxc6 18.Bb3 a6 19.Ba4 Qc8 20.h3 f6 21.Nd2 Bxa4 22.Qxa4+ Qc6 23.Qxc6+ bxc6 24.g4 h5 25.Ne4 hxg4 26.hxg4 Kf7 27.Kg2 Rah8 28.Rh1 Nf4+ 29.Bxf4 Rxh1 30.Rxh1 Rxh1 31.Kxh1 exf4 32.Kg2 Ke6 33.Kf3 f5 34.Nd2 Bc5 35.c3 fxg4+ 36.Kxg4 Bxf2 37.Kxg5 Be3 38.Nf3 c5 39.c4 Bc1 40.b3 Be3 41.Kg6 Bc1 42.Kg5 Be3 43.Kg4 Kf6 44.Ne1 Ke5 45.b4 cxb4 46.Nd3+ Ke4 47.Nxb4 f3 48.Kg3 Bd2 49.Nd5 Be1+ 50.Kh2 Bxa5 51.Kg1 Bd8 52.Kf2 Bh4+ 53.Kf1 a5 54.Nb6 Kd4 55.Nd7 a4 0-1
2017.07.18 11th Leiden Open A 2017
2721116 FM Ypma, P (2283) IM Beerdsen, Thomas (2452) 1/2-1/2
1.d4 Nf6 2.Bf4 e6 3.Nf3 Be7 4.h4 c5 5.c3 Nc6 6.e3 b6 7.Nbd2 Bb7 8.Bd3 h6 9.Rh3 d6 10.Qe2 Qc7 11.e4 cxd4 12.Nxd4 e5 13.Nxc6 Bxc6 14.Be3 O-O-O 15.c4 Nd7 16.b4 Nf8 17.a4 Ne6 18.a5 Nf4 19.Bxf4 exf4 20.axb6 axb6 21.Bc2 Kb7 22.Rha3 Ra8 23.Qf3 Bf6 24.Rxa8 Rxa8 25.Rxa8 Kxa8 26.b5 Bb7 27.Qxf4 Qe7 28.Qe3 Ka7 29.g3 Qe5 30.Qa3+ Kb8 31.Nf3 Qe7 32.Qd3 Qc7 33.Nd4 Qc5 34.Nf5 Be5 35.f4 Qg1+ 36.Kd2 Bb2 37.Bd1 Qf2+ 38.Be2 Qg1 1/2-1/2
2017.07.17 11th Leiden Open A 2017
2726765 GM Ikonnikov, Vy (2538) FM Ypma, P (2283) 1/2-1/2
1.d4 d6 2.Nf3 Nd7 3.c4 Ngf6 4.Nc3 e5 5.e4 Be7 6.Be2 c6 7.O-O Qc7 8.Qc2 h6 9.b4 g5 10.d5 Nf8 11.dxc6 bxc6 12.b5 Ne6 13.bxc6 Qxc6 14.Be3 Nf4 15.Bxf4 gxf4 16.Rfd1 Kf8 17.Rac1 Rg8 18.c5 Qxc5 19.Qd3 Qa3 20.Nd2 Be6 21.Nc4 Bxc4 22.Qxc4 Kg7 23.Nb5 Qc5 24.Nxd6 Bxd6 25.Qxc5 Bxc5 26.Rxc5 Nxe4 27.Rxe5 Nc3 28.Re1 Rae8 29.Bh5 Rxe5 30.Rxe5 Rb8 31.h4 Rb5 32.Rxb5 Nxb5 33.Kf1 Nc3 34.a3 Kf6 35.Ke1 Ke6 36.Be2 Kd5 37.Bd3 Kd4 38.Kd2 Nd5 39.Bc2 Nc3 40.Bh7 f6 41.Bg6 Nb5 42.a4 Nd6 43.Ke2 Nc4 44.Bf5 Ne5 45.a5 Kc5 46.a6 Kb6 47.Bc8 f3+ 48.gxf3 Nc4 49.f4 Nd6 50.Be6 Kxa6 51.Kf3 h5 52.Ke3 Kb5 53.Kd4 Kc6 54.Bd5+ Kd7 55.Bf3 Nf5+ 56.Ke4 Ng7 57.Kd5 a5 58.Bd1 Ke7 59.Kc5 Ne6+ 60.Kb5 Nxf4 61.Kxa5 Kf7 62.Kb4 Kg6 63.Kc3 Ng2 64.Kd4 Nxh4 65.Ke4 Ng2 66.Kf3 Nh4+ 67.Ke4 Kg5 68.f4+ Kg6 69.Be2 f5+ 70.Ke5 Ng2 71.Bxh5+ Kxh5 72.Kxf5 Nxf4 1/2-1/2
2016.12.30 54th Groningen Open 2016
2805349 Ypma, P (2260) FM Gedajlovic, Max (2338) 1-0
1.b3 e5 2.Bb2 Nc6 3.e3 Nf6 4.Bb5 Bd6 5.Na3 Be7 6.Nc4 d6 7.Bxc6+ bxc6 8.d3 Be6 9.e4 Bxc4 10.bxc4 Rb8 11.Bc3 Qd7 12.Ne2 O-O 13.O-O d5 14.cxd5 cxd5 15.Bxe5 dxe4 16.dxe4 Qe6 17.Bxc7 Rbc8 18.Nd4 Qd7 19.Be5 Rc5 20.Bxf6 Bxf6 21.Nb3 Qxd1 22.Raxd1 Rxc2 23.Rd2 Rxd2 24.Nxd2 Rc8 25.Nb3 Kf8 26.Rc1 Rxc1+ 27.Nxc1 Ke7 28.Nb3 Bc3 29.Kf1 Ke6 30.Ke2 Be5 31.Ke3 Bc7 32.Nd4+ Kd7 33.f4 f6 34.h4 a6 35.h5 Bd6 36.Nf5 Bc5+ 37.Kf3 g6 38.Ne3 gxh5 39.Nf5 Kc6 40.Ng7 Be7 41.Nxh5 Kd6 42.Kg4 Ke6 43.Ng7+ Kf7 44.Nf5 Bc5 45.Kf3 Ke6 46.Ne3 Bd6 47.g3 Bc7 48.Nc4 Bb8 49.Nb2 Bc7 50.Nd3 Bd6 51.Kg4 Bf8 52.Kh5 Kf7 53.g4 Ke6 54.f5+ Kf7 55.e5 fxe5 56.Nxe5+ Ke7 57.g5 Kd6 58.Ng4 Bg7 59.f6 Bf8 60.g6 hxg6+ 61.Kxg6 Ke6 62.f7 Bc5 63.Ne3 Ke5 64.Nc4+ Kd5 65.Na5 Be7 66.Kf5 Kc5 67.Ke6 Bf8 68.Kd7 Kd5 69.Nc6 Ke4 70.a4 Bh6 71.Nb8 a5 72.Nc6 Kd5 73.Nxa5 Kc5 74.Nc6 Kb6 75.Ne7 Bf8 76.Ke8 1-0
2016.12.29 54th Groningen Open 2016
2808136 Van Foreest, Lucas (2395) Ypma, P (2260) 1-0
1.e4 b6 2.d4 Bb7 3.Bd3 e6 4.Nf3 Nf6 5.Nbd2 c5 6.c3 Nc6 7.O-O cxd4 8.cxd4 Nb4 9.Bb1 Ba6 10.Re1 Qc7 11.Nf1 Bxf1 12.Rxf1 Rc8 13.a3 Nc6 14.Bg5 Be7 15.Bd3 O-O 16.Rc1 Qb8 17.Qe2 e5 18.Rxc6 dxc6 19.dxe5 Bxa3 20.exf6 Bd6 21.e5 Rfe8 22.Qe4 g6 23.Qh4 Bf8 24.Bh6 Bc5 25.Bf4 1-0
2016.12.28 54th Groningen Open 2016
2808099 Ypma, P (2260) GM Gleizerov, E (2518) 0-1
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nf3 Bd6 5.Bd3 Nf6 6.O-O O-O 7.Bg5 Bg4 8.Re1 Nbd7 9.Nbd2 c5 10.dxc5 Nxc5 11.Nb3 Nce4 12.Bxe4 dxe4 13.Bxf6 Qxf6 14.Rxe4 Bxf3 15.gxf3 Rad8 16.Qc1 Qxf3 17.Qe3 Qh5 18.h3 f5 19.Rd4 Rde8 20.Qd3 Be5 21.Rd7 f4 22.Nd2 Kh8 23.Nf3 Qxh3 24.Nxe5 f3 25.Nxf3 Qg4+ 26.Kf1 Rxf3 27.Qd4 Rxf2+ 28.Qxf2 Qxd7 29.Re1 Rc8 30.c3 h6 31.Re5 Rc6 32.Qf8+ Kh7 33.Ke1 Rf6 34.Qb4 Qd3 35.Qe4+ Qxe4+ 36.Rxe4 h5 37.b4 Kg6 38.c4 Kf7 39.Rd4 Ke7 40.a4 Rf5 41.a5 g5 42.c5 Rf4 43.Rd5 Kf6 44.b5 h4 45.Rd6+ Ke5 46.Rh6 Rc4 47.b6 axb6 48.cxb6 Ra4 49.Rh7 Rxa5 50.Rxb7 Rb5 51.Kf2 Kf4 52.Rf7+ Kg4 53.b7 Rb2+ 54.Kf1 h3 55.Kg1 Kg3 56.Rf1 Rxb7 57.Ra1 Rb3 58.Rc1 g4 59.Ra1 Rb4 60.Ra3+ Kh4 61.Ra1 g3 62.Kh1 Rf4 63.Rb1 Rf1+ 64.Rxf1 g2+ 65.Kh2 gxf1=B 66.Kg1 Kg3 67.Kh1 Bg2+ 68.Kg1 h2# 0-1
2016.12.27 54th Groningen Open 2016
2808068 IM Liu Guanchu (2418) Ypma, P (2260) 1/2-1/2
1.e4 b6 2.d4 Bb7 3.Nc3 e6 4.Bd3 Nf6 5.Nf3 Bb4 6.e5 Ne4 7.Bd2 Nxd2 8.Qxd2 Bxf3 9.gxf3 d5 10.a3 Bxc3 11.Qxc3 O-O 12.f4 f5 13.Bb5 Rf7 14.Bc6 Nxc6 15.Qxc6 Qe8 16.Qxe8+ Rxe8 17.Rc1 c5 18.c4 dxc4 1/2-1/2
2016.12.26 54th Groningen Open 2016
2810312 Ypma, P (2260) IM Ten Hertog, H (2453) 1-0
1.b3 g6 2.Bb2 Nf6 3.Bxf6 exf6 4.c4 b6 5.Nc3 Bb7 6.Nf3 f5 7.e3 f4 8.e4 Bg7 9.Bd3 Nc6 10.Rc1 g5 11.Bb1 g4 12.Ng1 Qg5 13.Kf1 h5 14.h4 Qh6 15.Nd5 O-O-O 16.Ne2 f3 17.gxf3 gxf3 18.Ng3 Nd4 19.Ne7+ Kb8 20.Nef5 Qf6 21.Rc3 Nxf5 22.Nxf5 Bh6 23.Rxf3 Qb2 24.d3 Rdg8 25.Rg1 Bf8 26.Rfg3 Rxg3 27.Rxg3 a5 28.Qc2 Qe5 29.d4 Qf4 30.d5 Bc5 31.Qb2 Re8 32.a3 Rxe4 33.Bxe4 Qxe4 34.Rg5 Qh1+ 35.Ke2 Qe4+ 36.Ne3 Qxh4 37.Qh8+ Ka7 38.Rxh5 Qe4 39.Qh7 Qd4 40.a4 d6 41.Qd3 Qb2+ 42.Qc2 Qf6 43.Rf5 Qg7 44.Rf3 Bc8 45.Kf1 Qa1+ 46.Kg2 Qg7+ 47.Rg3 Qf8 48.Qh7 Qe7 49.Rf3 Kb8 50.Qxf7 Qe4 51.Qf4 Qb1 52.Nf5 Kb7 53.Nd4 Qg6+ 54.Rg3 Qh7 55.Ne6 1-0
2016.12.21 54th Groningen Open 2016
2810277 GM Ulibin, M (2483) Ypma, P (2260) 1-0
1.d4 g6 2.e4 Bg7 3.Nc3 c5 4.d5 d6 5.Bb5+ Bd7 6.a4 Nf6 7.Nf3 O-O 8.h3 e6 9.O-O Bxb5 10.axb5 exd5 11.Nxd5 Nxe4 12.Re1 f5 13.Ng5 Bd4 14.Nxe4 fxe4 15.Rxe4 Nd7 16.Bf4 Nf6 17.Rxd4 cxd4 18.Bg5 h6 19.Bxf6 Rxf6 20.Nxf6+ Qxf6 21.Ra4 Rc8 22.Rxd4 Rxc2 23.Qxc2 Qxd4 24.Qxg6+ Kf8 25.Qxh6+ Kf7 26.Qh7+ Ke6 27.Qg8+ Ke7 28.Qh7+ Ke6 29.Qxb7 d5 30.Qc6+ Ke7 31.Qc3 Qd1+ 32.Kh2 d4 33.Qc5+ Ke6 34.Qxa7 Qd2 35.Qb6+ Kf5 36.Qc5+ Ke4 37.Qc6+ Kd3 38.b6 Qf4+ 39.Kg1 Ke2 40.Qc2+ Ke1 41.Qb1+ Ke2 42.Qf1+ Kd2 43.Qb5 Kc2 44.Qc4+ Kb1 45.b7 Qe5 46.Qb4 Qb8 47.Qb3 1-0
2016.05.13 10th BPB Limburg Open
2915497 GM Van Foreest, Jorden (2557) Ypma, P (2272) 1-0
1.e4 d5 2.exd5 Nf6 3.Bb5+ Bd7 4.Bc4 Bg4 5.f3 Bf5 6.Nc3 Nbd7 7.g4 Bg6 8.d4 a6 9.Bb3 Nb6 10.f4 h5 11.f5 Bh7 12.g5 Nfxd5 13.Nxd5 Nxd5 14.Qf3 c6 15.Ne2 g6 16.Nf4 Nxf4 17.Bxf4 Qa5+ 18.Bd2 Qxf5 19.Qe3 Bg8 20.O-O-O Bg7 21.Rhf1 Qd7 22.Ba5 Qd6 23.Qe4 Qxh2 24.Kb1 Qd6 25.Bb6 h4 26.c4 Qe6 27.Qd3 f5 28.gxf6 Bxf6 29.Rde1 Qf7 30.c5 Qg7 31.Bxg8 Rxg8 32.d5 g5 33.d6 Qg6 34.Rxe7+ Kf8 35.Rf5 Rg7 36.Re6 Rf7 37.d7 1-0
2016.03.26 9th OGD Prinsenstad 2016
2930486 Ypma, P (2254) Haver, Bas (2164) 0-1
1.f3 e5 2.g3 d5 3.Nh3 Nc6 4.Bg2 Bc5 5.Nf2 f5 6.e3 Nf6 7.Nc3 d4 8.Ne2 dxe3 9.dxe3 Qe7 10.O-O Be6 11.Bd2 Rd8 12.Qc1 O-O 13.b3 Rd7 14.Nd3 Rfd8 15.Nc3 Ba3 16.Qb1 Nb4 17.Rf2 Nxd3 18.cxd3 Rxd3 19.Qc2 Qd7 20.Nb1 Be7 21.Bf1 Rd6 22.Bc3 e4 23.Nd2 exf3 24.Nc4 Ne4 25.Nxd6 Qxd6 26.Bc4 Bxc4 27.bxc4 Nxc3 28.Rxf3 Qd3 29.Qb3 Bc5 30.Kh1 Qe4 31.Rf1 Rd1 0-1
2015.12.30 53rd Groningen Open 2015
2957117 Ypma, P (2228) IM Kerigan, D (2374) 1/2-1/2
1.e4 d6 2.d4 Nf6 3.Nc3 c6 4.Nf3 g6 5.a4 Bg7 6.h3 O-O 7.Be3 Qc7 8.Bc4 Nbd7 9.O-O Nxe4 10.Nxe4 d5 11.Bd3 dxe4 12.Bxe4 Nf6 13.Bd3 Nd5 14.Bd2 c5 15.c3 cxd4 16.Nxd4 Nf4 17.Be4 Ne6 18.Nb5 Qb8 19.Qf3 a6 20.Na3 Nc5 21.Bc2 Be6 22.Be3 Qc7 23.Rad1 Be5 24.Bd4 Rfd8 25.Rfe1 Bxd4 26.Rxd4 Nd7 27.Red1 Nf6 28.Nb1 Rxd4 29.Rxd4 Qe5 30.Qd1 Kg7 31.Nd2 Rc8 32.Nf3 Qc5 33.Bb3 Rc6 34.Rd8 Bxb3 35.Qxb3 Ne4 36.Rd4 Nxf2 37.Qxb7 Nd3 38.b4 Qxc3 39.Rxd3 Qc1+ 40.Kf2 Rc2+ 41.Kg3 Qf1 42.Rd2 Rxd2 43.Nxd2 Qe1+ 44.Kh2 Qxd2 45.Qxe7 Qf4+ 46.Kh1 Qf1+ 47.Kh2 Qf4+ 48.Kh1 Qf1+ 49.Kh2 1/2-1/2
2015.12.29 53rd Groningen Open 2015
2957081 FM Baskin, R (2351) Ypma, P (2228) 1-0
1.e4 d5 2.exd5 Nf6 3.Bb5+ Nbd7 4.d4 Nxd5 5.Nf3 g6 6.O-O Bg7 7.Be2 O-O 8.c4 N5f6 9.Nc3 c5 10.h3 cxd4 11.Nxd4 Nc5 12.Be3 Ne6 13.Nxe6 Bxe6 14.Qb3 Nd7 15.Rfd1 Qa5 16.Nd5 Rfe8 17.Bd2 Qd8 18.Bf4 Bxd5 19.Rxd5 e6 20.Rd2 Qc8 21.Rad1 Nc5 22.Qb5 a6 23.Qb6 e5 24.Be3 Ne6 25.Bf3 Rb8 26.Bd5 Nd4 27.Bxd4 exd4 28.Rd3 Re7 29.Rf3 Qc7 30.Rxf7 Qxb6 31.Rf6+ Re6 32.Rxe6 Qxe6 33.Bxe6+ Kf8 34.c5 Re8 35.Bd5 Re7 36.b4 Ke8 37.f3 Kd8 38.Be4 Kc7 39.Kf2 a5 40.bxa5 Kc8 41.Rb1 Rc7 42.a6 bxa6 43.c6 Bf8 44.Ke2 g5 45.Kd3 Bg7 46.Kc4 h5 47.Kc5 h4 48.Bf5+ Kd8 49.Bd7 1-0
2015.12.28 53rd Groningen Open 2015
2957051 Ypma, P (2228) FM Wacker, P (2335) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bg4 6.h3 Bh5 7.g4 Bg6 8.Nxe5 Qh4 9.Qf3 f6 10.Nc4 h5 11.d3 Bf7 12.g5 Be6 13.Kg2 b5 14.Na5 Bd6 15.Nxc6 Bg4 16.Qe3 fxg5 17.e5 Bc5 18.Qg3 Bd7 19.Na5 Qxg3+ 20.fxg3 g4 21.h4 O-O-O 22.Nb3 Bb6 23.Bg5 Bc6+ 24.Kh2 Re8 25.d4 Nf6 26.N1d2 a5 27.Bxf6 gxf6 28.Rxf6 Bd5 29.c3 a4 30.Nc1 b4 31.Ne2 a3 32.c4 axb2 33.Rb1 Rhf8 34.Rxf8 Rxf8 35.Kg1 Bf3 36.c5 Bxc5 37.dxc5 Bxe2 38.Rxb2 Re8 39.Rxb4 Rxe5 40.Re4 Rxe4 41.Nxe4 Bc4 42.a3 Bd3 43.Nf6 Bg6 44.Kf2 Kb7 45.Ke3 Kc6 46.Kd4 Kb5 47.Nd5 1-0
2015.12.27 53rd Groningen Open 2015
2960070 FM Maris, Iv (2352) Ypma, P (2228) 1-0
1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.d4 O-O 6.O-O Nbd7 7.Nc3 e5 8.e4 c6 9.h3 Qa5 10.Be3 exd4 11.Nxd4 Re8 12.Re1 Ne5 13.Qe2 Be6 14.Nxe6 Rxe6 15.Rac1 Rae8 16.c5 b5 17.cxd6 Nc4 18.f4 Nxe4 19.Nxe4 Nxd6 20.Nxd6 Rxe3 21.Nxe8 Rxe2 22.Rxe2 Bd4+ 23.Kh2 c5 24.Nd6 Qb6 25.Nc8 Qc7 26.Ne7+ Kg7 27.Nd5 Qd6 28.Re7 c4 29.Rce1 Bxb2 30.Rxa7 Bd4 31.Rb7 c3 32.Ree7 c2 33.Rxf7+ Kg8 34.Rfc7 1-0
2015.12.27 53rd Groningen Open 2015
2960071 FM Maris, Iv (2352) Ypma, P (2228) 1/2-1/2
1.d4 d5 2.c4 c6 3.Nf3 e6 4.e3 Bd6 5.Bd3 f5 6.O-O Nd7 7.b3 Qe7 8.Bb2 Ngf6 9.Qc1 O-O 10.Ba3 Ne4 11.Bxd6 Qxd6 12.Qa3 b6 13.cxd5 cxd5 14.Rc1 Ndf6 15.Qxd6 Nxd6 16.a4 Bd7 17.Ne5 Rac8 18.Nc3 Rc7 19.Nb5 Nxb5 20.Bxb5 Rfc8 21.Rxc7 Rxc7 22.Nxd7 Nxd7 23.b4 Kf7 24.a5 Ke7 25.Kf1 Kd6 26.Bxd7 Kxd7 27.axb6 axb6 28.b5 Kd6 29.Ra6 Rb7 30.Ra8 g5 31.Rc8 Rc7 32.Rb8 Rc1+ 33.Ke2 Kc7 34.Rh8 Rc2+ 35.Kf3 g4+ 36.Kg3 Rb2 37.Rxh7+ Kd6 38.h3 gxh3 39.gxh3 Rxb5 40.h4 Rb1 41.Kg2 f4 42.h5 fxe3 43.fxe3 Rb2+ 44.Kg3 Re2 45.Kf3 Rh2 46.h6 b5 47.Rh8 Ke7 48.h7 Kf6 49.Rf8+ Kg7 50.Re8 Rh6 51.h8=B+ Rxh8 52.Rxe6 Rb8 53.Rd6 b4 54.Rxd5 b3 55.Rg5+ Kf6 56.Rg1 b2 57.Rb1 Ke6 58.e4 Rb3+ 59.Ke2 Kd6 60.Kd2 Ke6 61.Kc2 Re3 62.Rxb2 Rxe4 63.Kd3 Rh4 64.Kc4 Rh5 65.Rb6+ Kd7 66.Rg6 Rf5 67.Rh6 Rg5 68.Rh4 Rf5 69.Kd3 Kd6 70.Ke4 Ra5 71.Rh6+ Kd7 72.d5 Ra1 73.Kd4 Rd1+ 1/2-1/2
2015.12.26 53rd Groningen Open 2015
2960033 Ypma, P (2228) IM Soors, S (2398) 0-1
1.e4 c6 2.d4 d5 3.f3 dxe4 4.fxe4 e5 5.Nf3 Bg4 6.Bc4 Nd7 7.c3 Bh5 8.O-O Ngf6 9.Nbd2 Bd6 10.Be2 b5 11.a4 a6 12.Nh4 Bg6 13.Nf5 Bxf5 14.exf5 O-O 15.Kh1 Qc7 16.axb5 axb5 17.Rxa8 Rxa8 18.g3 Rd8 19.Bf3 c5 20.Nb3 exd4 21.cxd4 c4 22.Nd2 Re8 23.Bg2 h5 24.Nf3 Ng4 25.Ng5 Ndf6 26.Qf3 b4 27.Bd2 Qb8 28.Rc1 Qa7 29.Rxc4 Qa1+ 30.Qf1 Qxb2 31.Qc1 Qa2 32.Rc2 Qa7 33.Rc8 Qxd4 34.h3 Nf2+ 35.Kh2 h4 36.Be3 hxg3+ 37.Kg1 Qd1+ 38.Qxd1 Nxd1 39.Rxe8+ Nxe8 40.Bd4 Nc7 41.Ne4 Nb5 42.Nxd6 Nxd4 43.Bd5 Ne3 44.Bxf7+ Kf8 45.Bh5 b3 46.Ne4 b2 47.Nd2 Ke7 48.Kh1 Kf6 0-1
2015.12.24 53rd Groningen Open 2015
2959993 Ypma, P (2228) IM Lobzhanidze, D (2425) 1/2-1/2
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nh3 e6 7.O-O Nge7 8.Nf4 O-O 9.h4 h6 10.g4 Rb8 11.g5 h5 12.Nce2 e5 13.Nxh5 gxh5 14.Ng3 Qd7 15.f3 f5 16.f4 exf4 17.Nxh5 fxe4 18.Nxg7 Kxg7 19.Rxf4 Rxf4 20.Bxf4 Ng6 21.Bg3 Qg4 22.Bxd6 Qxd1+ 23.Rxd1 Bg4 24.Bxb8 Bxd1 25.Bd6 exd3 26.cxd3 Nxh4 27.Bxc6 bxc6 28.Bxc5 a6 29.Kf2 Kf7 30.Ke3 Ke6 31.Kd2 Bg4 32.Kc3 Kd5 33.Be7 Ng6 34.Bf6 Nf4 35.d4 Bf5 36.Kb4 Bd3 37.Ka5 Ne6 38.g6 Bxg6 39.Kxa6 Nxd4 40.Kb6 Nc2 41.a4 Bd3 42.Be7 Ne3 43.b4 Nc4+ 44.Kb7 Ke6 45.Bc5 Kd5 46.Be7 Nd6+ 47.Bxd6 Kxd6 48.a5 Be4 49.Kb6 Bd3 50.a6 1/2-1/2
2015.12.23 53rd Groningen Open 2015
2959964 FM Pajeken, W (2304) Ypma, P (2228) 0-1
1.d4 d6 2.Nf3 g6 3.c4 Bg7 4.Nc3 c5 5.e3 cxd4 6.exd4 Nf6 7.Be2 O-O 8.O-O d5 9.c5 b6 10.b4 a5 11.Na4 bxc5 12.bxc5 Ba6 13.Nb6 Bxe2 14.Qxe2 Ra7 15.Bf4 Nbd7 16.Rab1 Ne4 17.Rfc1 g5 18.Nxd7 Qxd7 19.Bxg5 Qf5 20.Be3 Nc3 21.Qb2 Nxb1 22.Rxb1 Raa8 23.h3 Rfc8 24.a4 Rxc5 25.Qb7 Rcc8 26.Rb5 e6 27.Rxa5 Rab8 28.Qd7 Rd8 29.Qc7 Qb1+ 30.Kh2 Bf8 31.Bf4 Rbc8 32.Qa7 Qf5 33.Bg3 Bd6 34.Bxd6 Rxd6 35.Rc5 Rdd8 36.Rxc8 Rxc8 37.Qb7 Qf4+ 38.g3 Qc7 39.Qa6 Qc6 40.Qa7 Qc7 41.Qa6 Rb8 42.Qd3 Qc1 43.g4 Qb1 44.Qe3 Rb3 45.Qg5+ Qg6 46.Qd8+ Kg7 47.Ng5 h6 0-1
2015.12.22 53rd Groningen Open 2015
2959927 Ypma, P (2228) IM Berkovich, M (2353) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7 5.c3 g6 6.d4 exd4 7.cxd4 Bg7 8.d5 Na5 9.O-O O-O 10.Nbd2 d6 11.Rb1 b5 12.Bc2 c5 13.b4 cxb4 14.Rxb4 Qc7 15.Bb2 Bxb2 16.Rxb2 Qc3 17.Qb1 Bg4 18.a4 Nc4 19.Nxc4 bxc4 20.Bd1 Bxf3 21.Bxf3 Qf6 22.Bg4 c3 23.Rb3 h5 24.Be2 Rfc8 25.Rc1 Qd4 26.Qd3 Qxa4 27.Rbxc3 Rxc3 28.Rxc3 Qa1+ 29.Bf1 a5 30.Rc7 Qf6 31.Qb5 g5 32.Qb7 Re8 33.Qb5 Ra8 34.Qb7 Re8 35.Qb5 1/2-1/2
2015.12.21 53rd Groningen Open 2015
2959913 Chaurette, Laurent (1987) Ypma, P (2228) 0-1
1.d4 g6 2.Nf3 Bg7 3.e4 d6 4.Bd3 c5 5.dxc5 Qa5+ 6.Bd2 Qxc5 7.Bc3 Nf6 8.O-O O-O 9.h3 Nc6 10.Nbd2 e5 11.Re1 b5 12.a4 b4 13.Nb3 Qb6 14.Bd2 a5 15.Bb5 Bb7 16.Bg5 Na7 17.Bxf6 Bxf6 18.Bd3 d5 19.exd5 Bxd5 20.Be4 Bxe4 21.Rxe4 Rfd8 22.Qe2 Nc6 23.Qb5 Rab8 24.Qxb6 Rxb6 25.Nbd2 Nd4 26.Rc1 Nxf3+ 27.Nxf3 Rd5 28.c3 bxc3 29.bxc3 Rc5 30.Kf1 Bg7 31.Nd2 Bh6 32.Rc2 Bxd2 33.Rxd2 Rb3 34.Rc2 Ra3 35.Rce2 Rcxc3 36.Rxe5 Rc1+ 37.Re1 Rxe1+ 38.Kxe1 Rxa4 39.Re8+ Kg7 40.Ra8 g5 41.g3 h5 42.Kf1 Ra1+ 43.Kg2 a4 44.Ra6 a3 45.Ra5 f6 46.Ra6 Kf7 47.f4 g4 48.hxg4 hxg4 49.Kh2 Ke7 50.f5 Kd7 51.Ra4 Ra2+ 52.Kg1 Kd6 53.Kf1 Ke5 54.Ke1 Ra1+ 55.Kd2 a2 0-1
2015.07.30 Dutch Open 2015
3020376 Ypma, P (2246) FM Beukema, S (2363) 1-0
1.g3 f5 2.e4 fxe4 3.d3 exd3 4.Bxd3 Nf6 5.g4 g6 6.g5 Nh5 7.Ne2 d5 8.Ng3 Nxg3 9.hxg3 Qd6 10.Nc3 c6 11.Bf4 e5 12.Qe2 Bg7 13.O-O-O Bf5 14.Bxf5 gxf5 15.Rh6 Qe7 16.Qh5+ Kd8 17.Re1 Nd7 18.Rxh7 Rxh7 19.Qxh7 d4 20.Nd1 Qf8 21.Bd2 Kc7 22.Kb1 Qf7 23.Qh1 Rh8 24.Qg2 Qh5 25.c3 Nc5 26.g4 fxg4 27.cxd4 Qg6+ 28.Ka1 Qc2 29.Ne3 Qxd2 30.Rd1 Nb3+ 31.axb3 Qa5+ 32.Kb1 exd4 33.Qxg4 dxe3 34.Qd7+ Kb6 35.Qxg7 e2 36.Qd4+ Qc5 37.Qxc5+ Kxc5 38.Re1 Rg8 39.f4 Rf8 40.Rxe2 Rxf4 41.Re7 Kb6 42.g6 Rg4 43.g7 a5 44.Kc2 Ka6 45.Rc7 Kb6 46.Rf7 c5 47.Kd3 Kc6 48.Ke3 b5 49.Kf3 Rg1 50.Ke4 c4 51.bxc4 bxc4 52.Kf5 Kb5 53.Kf6 a4 54.Rb7+ Kc5 55.Kf7 c3 56.bxc3 Kc4 57.Rc7+ Kb3 58.g8=Q Rxg8 59.Kxg8 a3 60.c4 a2 61.Ra7 1-0
2015.07.29 Dutch Open 2015
3020354 Buckels, Valentin (2152) Ypma, P (2246) 1-0
1.d4 g6 2.c4 Bg7 3.Nf3 d6 4.g3 e5 5.Nc3 Nc6 6.dxe5 Nxe5 7.Nxe5 Bxe5 8.Bg2 c6 9.O-O Be6 10.Qd3 h5 11.Rd1 h4 12.Ne4 hxg3 13.hxg3 Qa5 14.Bd2 Qc7 15.Bc3 O-O-O 16.c5 f6 17.cxd6 Qh7 18.f3 Bxc3 19.Qxc3 Bh3 20.Qa5 Bxg2 21.Kxg2 f5 22.Rh1 Qg7 23.Rxh8 fxe4 24.Qc7+ Qxc7 25.dxc7 Kxc7 26.Rah1 exf3+ 27.Kxf3 Rf8+ 28.Kg2 Re8 29.R1h7+ Kb6 30.Rg7 Rxe2+ 31.Kf3 Rxb2 32.Rhxg8 a5 33.a4 Rb4 34.g4 g5 35.Rxg5 Rxa4 36.Ra8 Ra1 37.Rgxa5 Rxa5 38.Rxa5 Kxa5 39.g5 b5 40.g6 c5 41.g7 c4 42.g8=Q Kb4 43.Ke2 Kc3 44.Kd1 b4 45.Kc1 b3 46.Qg3+ Kb4 47.Kb2 1-0
2015.07.28 Dutch Open 2015
3020336 Ypma, P (2246) FM Beerdsen, Thomas (2317) 1-0
1.g3 e5 2.Bg2 d6 3.d4 Nd7 4.e4 Ngf6 5.Ne2 g6 6.O-O exd4 7.b4 Bg7 8.Bb2 O-O 9.Bxd4 a5 10.a3 axb4 11.axb4 Rxa1 12.Bxa1 Re8 13.Nd2 Ne5 14.c4 Bg4 15.h3 Bxe2 16.Qxe2 Qa8 17.c5 dxc5 18.f4 Nh5 19.Kh2 Nc6 20.Bxg7 Nxg7 21.bxc5 Ne6 22.e5 Qa2 23.Rf2 Ra8 24.Ne4 Qxe2 25.Rxe2 Ra5 26.Rb2 Ncd8 27.Rd2 Kg7 28.h4 Nc6 29.Rd7 Nb8 30.Rd2 Na6 31.Rd7 Naxc5 32.Nxc5 Rxc5 33.Bxb7 Rc2+ 34.Kg1 Rc1+ 35.Kg2 Rc2+ 36.Kg1 Rc1+ 37.Kg2 c6 38.Rd6 Rc2+ 39.Kf1 c5 40.Bd5 Nd4 41.Rd7 Nf5 42.Rxf7+ Kh6 43.Rxf5 Rc1+ 44.Ke2 1-0
2015.07.27 Dutch Open 2015
3020317 Beukema, Jasper (1942) Ypma, P (2246) 1/2-1/2
1.e4 g6 2.Nc3 Bg7 3.f4 a6 4.Nf3 b5 5.d4 d6 6.Be3 Nd7 7.Bd3 Bb7 8.O-O c5 9.e5 Nh6 10.exd6 exd6 11.dxc5 Nxc5 12.f5 Nxd3 13.Bxh6 Bxh6 14.Qxd3 O-O 15.Rad1 Rc8 16.Ne4 Bxe4 17.Qxe4 Qe8 18.Qh4 Qe3+ 19.Kh1 Qf4 20.Qh3 Bg7 21.c3 Qxf5 22.Qxf5 gxf5 23.Rxd6 Rfe8 24.Rxa6 Re2 25.Rb1 b4 26.cxb4 Rxb2 27.Rd1 Rxb4 28.a4 h6 29.h3 Rb2 30.Rd7 Rcc2 31.Ra8+ Kh7 32.Rxf7 Rxg2 33.Rxf5 Rgc2 34.Rf4 h5 35.Ra5 Rc1+ 36.Ng1 Kg6 37.Rf3 Kh6 38.Rff5 Rcc2 39.Rxh5+ Kg6 40.Rhg5+ Kh6 41.Nf3 Rf2 42.Raf5 Rxf3 43.Rh5+ Kg6 1/2-1/2
2015.07.25 Dutch Open 2015
3024499 Ypma, P (2246) Roorda, T (2103) 1-0
1.g3 Nf6 2.Bg2 g6 3.e4 d6 4.d4 Bg7 5.Ne2 c5 6.O-O cxd4 7.Nxd4 O-O 8.c4 Qc7 9.b3 Ng4 10.Bb2 Qc5 11.Na3 Nc6 12.Nac2 Nce5 13.h3 Nf6 14.f4 Nc6 15.Kh2 Bd7 16.Rb1 Rad8 17.Re1 Rfe8 18.Nxc6 Bxc6 19.Bd4 Qa5 20.b4 Qxa2 21.Qd3 b5 22.cxb5 Bxb5 23.Qxb5 Qxc2 24.Rbc1 Qa2 25.Re2 Qa3 26.Ra1 Qb3 27.Rb2 Qe6 28.Qd3 Rc8 29.Rxa7 Rc1 30.Bxf6 Bxf6 31.e5 dxe5 32.Bd5 Rc3 33.Qxc3 Qxd5 34.Ra5 exf4 35.Rxd5 Bxc3 36.Rb3 fxg3+ 37.Kxg3 e6 38.Rd7 Be1+ 39.Kf3 Rb8 40.b5 Ba5 41.Ke4 Kf8 42.Kd3 Ke8 43.Rd6 Ke7 44.Rc6 Bb6 45.Kc4 g5 46.Ra3 h5 47.Ra6 Bd8 48.b6 Kd7 49.Kb5 g4 50.Ra7+ Ke8 51.b7 Kd7 52.hxg4 hxg4 53.Rc2 f5 54.Ka6 Bc7 55.Ra8 g3 56.Ka7 Rxb7+ 57.Kxb7 Bd6 58.Rd2 Ke7 59.Kc6 Bb4 60.Rg2 Be1 61.Kc5 f4 62.Re2 Bf2+ 63.Rxf2 gxf2 64.Ra1 Kf6 65.Kd4 Kf5 66.Kd3 Kg4 67.Ke2 Kg3 68.Ra8 f3+ 69.Kf1 e5 70.Rg8+ Kf4 71.Kxf2 e4 72.Re8 1-0
2015.06.21 HSG Open 2015
3043075 IM De Jong, JW (2449) Ypma, P (2261) 1-0
1.d4 d6 2.Nf3 g6 3.c4 Bg7 4.e4 e5 5.Bg5 Ne7 6.Nc3 exd4 7.Nxd4 h6 8.Be3 Nbc6 9.Be2 O-O 10.Qd2 Kh7 11.O-O-O f5 12.exf5 Nxf5 13.Nxf5 Bxf5 14.g4 Be6 15.f4 Na5 16.f5 gxf5 17.gxf5 Nxc4 18.Bxc4 Bxc4 19.Rhg1 Qf6 20.Rg4 d5 21.Bd4 1-0
2015.05.22 9th BPB Limburg Open 2015
3051006 IM Burg, T (2507) Ypma, P (2260) 1-0
1.e4 c5 2.Nf3 g6 3.c3 d5 4.e5 Nc6 5.d4 Bg4 6.Bb5 Qb6 7.Bxc6+ bxc6 8.dxc5 Qxc5 9.O-O Bg7 10.Re1 Qb6 11.Nbd2 h5 12.h3 Bc8 13.Qc2 Bf5 14.Qa4 Bd7 15.Nb3 c5 16.Qa3 c4 17.Nc5 e6 18.Nxd7 Kxd7 19.Nd4 Ne7 20.Bg5 Bf8 21.b3 Nc6 22.Qa4 cxb3 23.Rab1 Bc5 24.Rxb3 Bxd4 25.cxd4 Qc7 26.Rc1 Rhc8 27.Qa3 Rcb8 28.Rxc6 Qxc6 29.Qe7+ Kc8 30.Qd8# 1-0
2015.04.25 Dutch League 2014-15
3058699 Ypma, P (2209) IM Van der Stricht, G (2379) 1/2-1/2
1.d4 Nf6 2.g3 d5 3.Bg2 c6 4.Nf3 Bg4 5.Ne5 Bf5 6.c4 e6 7.Qb3 Qb6 8.c5 Qxb3 9.axb3 Nbd7 10.Nxd7 Nxd7 11.Nc3 e5 12.e4 exd4 13.Nxd5 cxd5 14.exf5 Bxc5 15.Bxd5 O-O 16.O-O Nf6 17.Bf3 Rfd8 18.Re1 Bb4 19.Rd1 d3 20.Be3 a5 21.Bxb7 Rab8 22.Ba6 d2 23.Bf4 Ra8 24.Bf1 Rac8 25.Be5 Ne4 26.Kg2 Nc5 27.Bc4 Nd3 28.Bxd3 Rxd3 29.Bc3 h5 30.Kf1 Rd5 31.f6 g5 32.f4 gxf4 33.gxf4 Kh7 34.Ke2 Re8+ 35.Be5 Rg8 36.Rg1 Rg6 37.Rad1 h4 38.h3 Rg3 39.Bc3 Kg6 40.Rxg3+ hxg3 41.Kf3 Kf5 42.Kxg3 Rd3+ 43.Kf2 Rxh3 44.Rxd2 Bxc3 45.bxc3 Rxc3 46.Rd5+ Kxf4 47.Rxa5 Rxb3 48.Ra7 Rb2+ 49.Ke1 Kf5 50.Rxf7 Rb6 51.Rf8 Rxf6 52.Rxf6+ Kxf6 1/2-1/2
2015.04.11 Dutch League 2014-15
3063385 IM Sprenger, J (2479) Ypma, P (2209) 1-0
1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Bg7 6.Nde2 Nh6 7.g3 O-O 8.Bg2 f5 9.O-O Kh8 10.Bf4 e5 11.Be3 d6 12.Qd2 f4 13.gxf4 Ng4 14.h3 exf4 15.Bxf4 Nge5 16.Qe3 Nc4 17.Qg3 Bf6 18.Rad1 Bh4 19.Qh2 N4e5 20.Nd4 Qb6 21.Nxc6 bxc6 22.Rxd6 Nc4 23.Nd5 Qxb2 24.Rxc6 Qb5 25.Rc7 Kg8 26.Bh6 Ba6 27.Rg7+ Kh8 28.Qc7 Qb2 29.Rxh7+ Kg8 30.Bxf8 Rxf8 31.Rxh4 1-0
2015.04.05 8th OGD Prinsenstad 2014
3064689 Ypma, P (2257) Barendse, T (2156) 1/2-1/2
1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.dxc5 Bxc3+ 5.bxc3 Qa5 6.Qd4 Nf6 7.Qb4 Nc6 8.Qxa5 Nxa5 9.Bd3 b6 10.cxb6 axb6 11.Be3 Bb7 12.f3 d5 13.Bb5+ Bc6 14.Bxc6+ Nxc6 15.Bxb6 dxe4 16.Bd4 O-O 17.Ne2 exf3 18.gxf3 e5 19.Bc5 Rfb8 20.Kf2 Rb2 21.Rhd1 Rxc2 22.a4 Nh5 23.Be3 Nf4 24.Rd2 Rxd2 25.Bxd2 Nd3+ 26.Ke3 Nc5 27.c4 Rd8 28.Be1 f5 29.a5 Kf7 30.Nc3 Nb3 31.Ra4 Ncxa5 32.Nb5 Nc6 33.Ra6 Ncd4 34.Ra7+ Kg8 35.Bc3 Nc2+ 36.Kf2 Nc5 37.Kg3 e4 38.fxe4 Nxe4+ 39.Kf4 Nxc3 40.Nxc3 Rd4+ 41.Ke5 Rxc4 42.Nd5 Rc5 43.Kf6 Rc6+ 44.Kg5 Kf8 45.Rxh7 Nd4 46.Ne7 Nf3+ 47.Kf4 Re6 48.Nxg6+ Rxg6 49.Kxf3 1/2-1/2
2015.04.05 8th OGD Prinsenstad 2014
3064700 Schroer, M (2227) Ypma, P (2257) 1-0
1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Bf4 Nc6 5.e3 Bf5 6.Nc3 Nf6 7.Rc1 e6 8.Qb3 Qb6 9.Qxb6 axb6 10.a3 Be7 11.f3 O-O 12.g4 Bg6 13.h4 h5 14.g5 Ne8 15.Nb5 f6 16.gxf6 Bxf6 17.Bh3 e5 18.Be6+ Kh7 19.dxe5 Nxe5 20.Bxe5 Bxe5 21.Nd4 Nd6 22.Bxd5 Rad8 23.Ne6 Bxb2 24.Nxf8+ Rxf8 25.Rc7 Nb5 26.Rxb7 Nc3 27.Rxb6 Bxa3 28.Rb3 Bd6 29.Rxc3 Bb4 30.Kd2 Rd8 31.e4 Rc8 32.Ne2 Be8 1-0
2015.04.04 8th OGD Prinsenstad 2014
3064657 Ypma, P (2257) Vistisen, L (2134) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Bc5 5.b4 Bxb4 6.c3 Bd6 7.d4 Qe7 8.Re1 O-O 9.Bg5 h6 10.Bh4 Na5 11.Bd3 c6 12.Nbd2 Bc7 13.dxe5 Bxe5 14.Nxe5 Qxe5 15.Nf3 Qe6 16.e5 Nd5 17.Nd4 Qe8 18.Nf5 Nf4 19.Nxg7 Kxg7 20.Bf6+ Kg8 21.Re4 1/2-1/2
2015.04.04 8th OGD Prinsenstad 2014
3064668 FM Jackson, O (2133) Ypma, P (2257) 0-1
1.e4 c5 2.Nc3 g6 3.f4 Bg7 4.Nf3 Nc6 5.Bb5 Nd4 6.a4 e6 7.O-O Ne7 8.e5 Nxf3+ 9.Qxf3 a6 10.Bc4 d5 11.exd6 Qxd6 12.d3 O-O 13.Ne4 Qc7 14.c3 b6 15.Qf2 Bb7 16.Be3 Nf5 17.g4 Nd6 18.Nxd6 Qxd6 19.h3 Rad8 20.a5 Qc6 21.Kh2 b5 22.Bb3 Rxd3 23.Bxc5 Bf6 24.Bxf8 Bh4 25.Bh6 Bxf2 26.Rxf2 Qc5 0-1
2015.04.04 8th OGD Prinsenstad 2014
3064675 Ypma, P (2257) IM De Jong, M (2304) 0-1
1.e4 e6 2.b3 b6 3.d4 d5 4.Bd3 Nf6 5.e5 Nfd7 6.Qe2 c5 7.c3 Nc6 8.Be3 cxd4 9.Bxd4 Qc7 10.Nf3 g5 11.h3 Bg7 12.O-O Ndxe5 13.Nxe5 Bxe5 14.Bb5 Bxd4 15.cxd4 Bd7 16.Rc1 Qd6 17.Qe3 f6 18.h4 h6 19.Nc3 Kf7 20.h5 Ne7 21.a4 a6 22.Bd3 Rhc8 23.Qe2 Qb4 24.Na2 Qxd4 25.Bxa6 Rc5 26.Rd1 Qf4 27.b4 Rc7 28.g3 Qe5 29.Qd3 Qf5 30.b5 Qxd3 31.Rxd3 Rc4 32.a5 bxa5 33.Nc3 Bc8 34.Rxa5 Nc6 35.Ra1 Nb4 36.Na4 0-1
2015.03.07 Dutch League 2014-15
3076015 Ypma, P (2209) FM Driessens, P (2315) 1/2-1/2
1.d4 d6 2.e4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.dxe5 dxe5 6.Bc4 Bc5 7.Bg5 c6 8.O-O h6 9.Bh4 Qe7 10.a3 a5 11.Ba2 Nf8 12.b4 Ba7 13.bxa5 Ng6 14.Bg3 Qc5 15.Na4 Qxa5 16.Nb2 Nxe4 17.Nc4 Qc5 18.Ncxe5 Nxe5 19.Nxe5 O-O 20.Qh5 Be6 21.Bxe6 fxe6 22.Qg6 Nxg3 23.Qxe6+ Kh7 24.Qg6+ Kg8 25.Qe6+ Kh7 26.Qg6+ Kg8 27.Qe6+ 1/2-1/2
2015.02.15 75th Noteboom Open
3080412 Ypma, P (2248) GM Ikonnikov, Vy (2561) 1/2-1/2
1.e4 c5 2.c3 b6 3.d4 Bb7 4.Nd2 e6 5.Ngf3 cxd4 6.cxd4 Nf6 7.Bd3 d6 8.O-O Be7 9.Re1 Nbd7 10.Nf1 O-O 11.Ng3 Re8 12.h4 Rc8 13.h5 h6 14.a4 Rc7 15.a5 bxa5 16.Bd2 Qb8 17.Bxa5 Nb6 18.Nh2 Rcc8 19.Bc3 Rc7 20.Qe2 Nbd7 21.Ra5 Bd8 22.Ra3 Rc8 23.Nf3 Bb6 24.Nd2 e5 25.d5 Bc5 26.Rb3 Nb6 27.Nf5 Qc7 28.Qf3 Kh7 29.Nf1 Qd8 30.Bd2 Rg8 31.Ra1 Ra8 32.Rb5 Kh8 33.Rba5 Nc8 34.N1g3 Nh7 35.b4 Bb6 36.R5a3 Ng5 37.Qg4 Rb8 38.Rf1 Nh7 39.Kh1 Ne7 40.f4 Bc8 41.fxe5 dxe5 42.Bc3 Nxf5 43.Nxf5 f6 44.Bc4 Ng5 45.d6 Rf8 46.Rd1 Bd4 47.Bxd4 exd4 48.Rxd4 Rxb4 49.Qe2 Bxf5 50.exf5 Nf7 51.Rxa7 Ne5 52.Rc7 Rb6 53.Be6 Rxd6 54.Rxd6 Qxd6 55.Rc8 Rxc8 56.Bxc8 Qd4 57.Be6 Qh4+ 58.Kg1 Ng4 59.Qd2 Qh2+ 60.Kf1 Qh1+ 61.Ke2 Qxg2+ 62.Kd1 Qf3+ 63.Kc1 Qc6+ 64.Qc2 Qe8 65.Kd2 Ne5 66.Ke3 Kh7 67.Qc8 Qxc8 68.Bxc8 Kg8 69.Ke4 Kf8 70.Kd5 Ke7 71.Ba6 Nf3 72.Be2 Ng5 73.Kc6 Nh3 74.Kc5 Ng5 75.Kd5 Nf7 76.Bf1 Nd6 77.Bd3 Ne8 78.Kc6 1/2-1/2
2015.02.14 75th Noteboom Open
3080331 Ypma, P (2248) Thakoerdien, Jerrel (2148) 0-1
1.d4 Nf6 2.g3 c5 3.d5 d6 4.c4 g6 5.Nc3 Bg7 6.Bg2 O-O 7.e4 e6 8.dxe6 fxe6 9.e5 Ne8 10.Nf3 Nc6 11.Bf4 Qb6 12.O-O dxe5 13.Bg5 Qc7 14.h4 Nd4 15.Nh2 Bd7 16.h5 gxh5 17.Qxh5 Nd6 18.Bh6 Bc6 19.Bxg7 Qxg7 20.Bxc6 Nxc6 21.Rae1 Rf5 22.Qh4 Nd4 23.Ne4 Rf4 24.Qxf4 exf4 25.Nxd6 fxg3 0-1
2015.02.07 Dutch League 2014-15
3085956 De Graaf, D (2205) Ypma, P (2209) 0-1
1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Qxd4 Nf6 5.Bc4 Nc6 6.Qd3 Bg7 7.Nc3 O-O 8.a4 Nb4 9.Qe2 d5 10.exd5 Bf5 11.Bb3 Nfxd5 12.Nxd5 Nxd5 13.O-O Qa5 14.c3 e5 15.Rd1 Be6 16.Bc2 h6 17.Be4 Rad8 18.Bd2 Qc7 19.Be3 a5 20.Bxd5 Bxd5 21.Qb5 Bc6 22.Bb6 Bxb5 23.Bxc7 Rxd1+ 24.Rxd1 Bxa4 25.Re1 Bc6 26.Bxe5 Bxf3 27.Bxg7 Kxg7 28.gxf3 Kf6 29.Rd1 Ke6 30.Rd4 Rc8 31.Kf1 Rc5 32.Kg2 Rh5 33.Rd2 Rd5 34.Re2+ Kd6 35.Re8 Rb5 36.Re2 Kd5 37.f4 Kc4 38.Kf3 Kb3 39.Ke4 a4 40.Kd4 Ka2 41.c4 Rxb2 42.Re7 Rb3 43.c5 a3 44.Kc4 b5+ 45.Kd4 b4 46.c6 Rc3 47.c7 Rxc7 0-1
2014.12.30 52nd Groningen Open
3094532 IM Kolbus, D (2317) Ypma, P (2223) 1/2-1/2
1.c4 e5 2.g3 d6 3.d4 Be7 4.Nc3 f5 5.Bg2 Nf6 6.e4 c6 7.dxe5 dxe5 8.Qxd8+ Bxd8 9.Nge2 Na6 10.O-O O-O 11.b3 Bb6 12.Bg5 Nc5 13.Bxf6 Rxf6 14.exf5 Bxf5 15.b4 Nd3 16.c5 Bc7 17.a3 a5 18.Be4 Rd8 19.Bxf5 Rxf5 20.Ne4 Rf7 21.Rab1 axb4 22.axb4 b5 23.Rb3 h6 24.Ra1 Kh7 25.Ra6 Ne1 26.N2c3 Nf3+ 27.Kh1 Rd3 28.Rb2 Nd4 29.Ra7 Kg6 30.Kg2 Bd8 31.Rxf7 Kxf7 32.h4 g5 33.hxg5 Bxg5 34.Kf1 Bc1 35.Ra2 Ke6 36.Kg2 Kf5 37.Nd6+ Kg6 38.Nde4 Kf5 1/2-1/2
2014.12.29 52nd Groningen Open
3094475 Ypma, P (2223) Brzeski, M (2332) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Nxe4 5.Nc3 Nf6 6.Re1 Be7 7.d4 e4 8.d5 exf3 9.dxc6 bxc6 10.Qxf3 d5 11.Bd3 O-O 12.Bg5 h6 13.Bxh6 gxh6 14.Qe3 Qd6 15.Qxe7 Re8 16.Qxd6 cxd6 17.Rxe8+ Nxe8 18.Re1 Kf8 19.Ne2 Rb8 20.b3 Nc7 21.Nd4 c5 22.Nc6 Rb6 23.Nxa7 Be6 24.a4 c4 25.Be2 Ra6 26.Nb5 Nxb5 27.axb5 Rb6 28.bxc4 dxc4 29.Rb1 d5 30.f4 Ke7 31.Kf2 Kd6 32.Ke3 Kc5 33.c3 Bd7 34.g4 Bxb5 35.g5 Re6+ 36.Kf2 Re4 37.gxh6 Rxf4+ 38.Kg3 Rf6 39.Rf1 Rg6+ 40.Bg4 Bd7 41.h3 Be6 42.h7 Rh6 43.Rf6 Rxh7 44.Bxe6 fxe6 45.Rxe6 d4 46.Re5+ Kd6 47.cxd4 c3 48.Kf4 Rb7 49.Rc5 Rf7+ 50.Ke4 Re7+ 51.Kd3 Rh7 52.Kxc3 Rxh3+ 1/2-1/2
2014.12.28 52nd Groningen Open
3099244 Ypma, P (2223) GM Ernst, S (2553) 0-1
1.c4 e5 2.Nc3 d6 3.g3 f5 4.Bg2 Nf6 5.d4 Be7 6.Nh3 c6 7.O-O Na6 8.e4 O-O 9.dxe5 dxe5 10.Qe2 Nc5 11.Ng5 Qd3 12.Re1 Qxe2 13.Rxe2 h6 14.Nf3 Nfxe4 15.Nxe4 fxe4 16.Nxe5 Bf6 17.Be3 Na4 18.Ng4 Re8 19.Rb1 Bxg4 20.Rd2 Rad8 21.Rxd8 Bxd8 22.Bxa7 e3 23.Re1 e2 24.f3 Ba5 25.Bf2 Bxe1 26.Bxe1 Nxb2 27.fxg4 Nd3 0-1
2014.12.27 52nd Groningen Open
3099205 FM Kevlishvili, Robby (2366) Ypma, P (2223) 0-1
1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nc6 5.c4 Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Be3 O-O 10.Qd2 Be6 11.Rc1 Qa5 12.f3 Rfc8 13.b3 a6 14.a4 Nd7 15.O-O b5 16.axb5 axb5 17.Nxb5 Qxd2 18.Bxd2 Ra2 19.Rfd1 Nc5 20.Rb1 f5 21.Bf1 fxe4 22.fxe4 Bg4 23.Bg5 Bxd1 24.Rxd1 Kf8 25.Rb1 Nxe4 26.Be3 Nd2 27.Bxd2 Rxd2 28.h3 Ra8 29.Nc7 Ra1 30.Rxa1 Bxa1 31.b4 Bd4+ 32.Kh2 Rd1 33.Ne6+ Ke8 34.Nxd4 Rxf1 35.Kg3 Rc1 36.c5 dxc5 37.bxc5 Rxc5 38.Nf3 Ra5 39.h4 Kf7 40.Kg4 Ra4+ 41.Kg5 Kg7 0-1
2014.12.26 52nd Groningen Open
3099161 Den Hartog, Marijn (2150) Ypma, P (2223) 0-1
1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nc6 5.Be3 Nf6 6.Nc3 Bg7 7.Be2 O-O 8.O-O d5 9.exd5 Nb4 10.Qd2 Nbxd5 11.Nxd5 Nxd5 12.Rad1 Nxe3 13.fxe3 e5 14.Nb5 Be6 15.Nd6 Qb6 16.c4 Bh6 17.Rf3 a5 18.Rc1 Bg4 19.c5 Qb4 20.Rc3 Bxf3 21.Bxf3 Rad8 22.a3 Qb5 23.Qc2 Qd7 24.Bxb7 Qc7 25.Qe4 Rxd6 26.cxd6 Qxd6 27.Rd3 Qc5 28.b4 axb4 29.axb4 Qa7 30.Kf2 Rb8 31.Rd7 Qa2+ 32.Kf3 Qe6 33.Qd3 e4+ 34.Bxe4 Rxb4 35.Rd8+ Bf8 36.Bd5 Qf6+ 37.Ke2 Rb2+ 38.Kd1 Rb6 39.Rd7 Qa1+ 40.Ke2 Qb2+ 41.Kf3 Rf6+ 42.Kg4 Qe5 43.Qe4 Qxh2 0-1
2014.12.24 52nd Groningen Open
3099116 Ypma, P (2223) Keetman, Maaike (2074) 1-0
1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.c4 Bf5 5.cxd5 cxd5 6.Qb3 Qc8 7.Nc3 e6 8.d3 Be7 9.O-O O-O 10.Re1 Nc6 11.e4 dxe4 12.dxe4 Bg6 13.e5 Nd7 14.Be3 Bh5 15.Nb5 Bxf3 16.Bxf3 Ndxe5 17.Be4 Na5 18.Qa4 Qc4 19.Qxc4 Nexc4 20.Bxa7 Nxb2 21.Re2 Bf6 22.Rc1 Rfd8 23.Bb6 Rdc8 24.Rxc8+ Rxc8 25.Bxa5 Rc5 26.Rc2 1-0
2014.12.23 52nd Groningen Open
3099041 Klekowski, M (2418) Ypma, P (2223) 1-0
1.d4 d5 2.c4 c6 3.Nf3 e6 4.Qc2 dxc4 5.Qxc4 Nf6 6.g3 Be7 7.Bg2 O-O 8.O-O b5 9.Qc2 Bb7 10.Bg5 Nbd7 11.Nc3 h6 12.Bf4 Qb6 13.a4 b4 14.a5 Qa6 15.Na4 Qxa5 16.Nd2 Qb5 17.Nc4 c5 18.Bxb7 Qxb7 19.Bd6 b3 20.Qc1 Bxd6 21.Nxd6 Qc6 22.dxc5 Rab8 23.Qc3 Nd5 24.Qa5 Nb4 25.Rad1 Nc2 26.Ne4 Rb5 27.Qd2 Rb7 28.Qd6 Qxa4 29.Nc3 Qc4 30.c6 Rb6 31.Qxd7 Qxc6 32.Qxa7 Qb7 33.Qa5 Ra6 34.Qe5 Rfa8 35.h4 Ra5 36.Qf4 Ra2 37.Qc1 R2a5 38.Qf4 Rc8 39.Rd3 Nb4 40.Rd2 Nd5 41.Qe4 Qb4 42.Qxb4 Nxb4 43.Rfd1 Na2 44.Rd8+ Rxd8 45.Rxd8+ Kh7 46.Rc8 Kg6 47.Kf1 Ra7 48.Ke1 Rb7 49.Ne4 Nb4 50.Kd2 Nd5 51.Nc5 Rb5 52.Nd3 Rb7 53.Rc4 f5 54.Nf4+ Kf6 55.Nxd5+ exd5 56.Rc6+ Ke5 57.Ke3 d4+ 58.Kd3 f4 59.Rc5+ Kd6 60.Rc4 fxg3 61.fxg3 Ke5 62.Rxd4 h5 63.Re4+ Kf5 64.Rf4+ Ke5 65.Ra4 Kf5 66.Ke3 Rb5 67.Kf3 Rb6 68.Ra5+ Kg6 69.Rg5+ Kh6 70.e4 g6 71.Ke3 Kg7 72.Rc5 Kf6 73.Kd4 Rb4+ 74.Rc4 Rb6 75.Kd5 Rb8 76.e5+ Ke7 77.Rc7+ Kf8 78.Kd6 Rb6+ 79.Rc6 Rb4 80.Ke6 1-0
2014.12.22 52nd Groningen Open
3099003 Ypma, P (2223) Kampman, T (2084) 1-0
1.Nf3 e6 2.g3 b6 3.Bg2 Bb7 4.O-O Nf6 5.c4 c5 6.Nc3 Be7 7.Re1 d6 8.d4 O-O 9.e4 cxd4 10.Nxd4 Qc8 11.b3 Nc6 12.Bb2 Rd8 13.Rc1 Bf8 14.Nc2 a6 15.Ne3 Ne5 16.h3 Bc6 17.Ncd5 Nfd7 18.f4 Ng6 19.a4 Qb7 20.a5 Ne7 21.Qd4 e5 22.Qd1 Bxd5 23.exd5 g6 24.fxe5 Nxe5 25.Ng4 Nxg4 26.Qxg4 Nf5 27.Rf1 Qc8 28.Be4 Qc5+ 29.Kh1 Nh6 30.Qf3 f5 31.Qc3 Nf7 32.Bxf5 Ne5 33.Be6+ Kh8 34.Rxf8+ Rxf8 35.Qxe5+ dxe5 36.Bxe5+ Rf6 37.Bxf6# 1-0
2014.12.21 52nd Groningen Open
3098917 GM L'Ami, E (2613) Ypma, P (2223) 1-0
1.d4 d5 2.c4 c6 3.Nf3 e6 4.Nc3 dxc4 5.Bg5 Be7 6.Bxe7 Nxe7 7.e3 b5 8.a4 Nd5 9.g3 a5 10.axb5 Nxc3 11.bxc3 cxb5 12.Qb1 Ba6 13.Bg2 Ra7 14.O-O Nd7 15.Qa2 Bb7 16.Rfb1 Qb6 17.Qa3 Be4 18.Rb2 Qc6 19.Ne1 Bxg2 20.Nxg2 Qa6 21.e4 Nf6 22.f3 Kd7 23.Ne3 Rc8 24.Rab1 Rb7 25.Kg2 Ke8 26.Ra2 a4 27.Re2 Qc6 28.Qb4 Qc7 29.Nc2 Qe7 30.Na3 Rcb8 31.Reb2 Qc7 32.Nxb5 Rxb5 33.Qxa4 Qa7 34.Qxa7 Rxb2+ 35.Rxb2 Rxb2+ 36.Kh3 Rf2 37.Qb8+ Ke7 38.Qc7+ Ke8 39.d5 1-0
2014.12.13 Dutch League 2014-15
3107935 IM Riemersma, L (2432) Ypma, P (2209) 1-0
1.c4 c6 2.Nf3 d5 3.g3 dxc4 4.Bg2 b5 5.a4 Bb7 6.b3 cxb3 7.Qxb3 e6 8.axb5 Qd5 9.Qe3 Qxb5 10.O-O Nf6 11.Nc3 Qb6 12.d4 Be7 13.Ba3 Bxa3 14.Na4 Qb4 15.Rxa3 Nd5 16.Qc1 Nd7 17.e4 N5b6 18.Nc5 Nxc5 19.dxc5 Nd7 20.Qa1 Qxc5 21.Ra5 Qe7 22.Qxg7 Qf6 23.Qxf6 Nxf6 24.Rb1 Bc8 25.Ne5 O-O 26.Nxc6 a6 27.Ne7+ Kg7 28.e5 Nd5 29.Bxd5 exd5 30.Nxc8 Rfxc8 31.Rb6 d4 32.Rd6 Rc1+ 33.Kg2 Rd1 34.Raxa6 Rxa6 35.Rxa6 Re1 36.f4 Re2+ 37.Kh3 d3 38.Rd6 d2 39.g4 h6 40.Kg3 Kf8 41.h4 Re3+ 42.Kg2 Re2+ 43.Kf3 Rh2 44.Kg3 Re2 45.g5 h5 46.Kf3 Rh2 47.Kg3 Re2 48.Kf3 Rh2 49.Ke3 Rxh4 50.Rxd2 Rh1 51.Rd6 Kg7 52.Rh6 Re1+ 53.Kf3 Rf1+ 54.Ke4 Rh1 55.Kf5 Rh2 56.Ra6 Rg2 57.Ra7 h4 58.e6 h3 59.Rxf7+ Kg8 60.Kg6 Re2 61.f5 h2 62.Rg7+ Kf8 63.Rh7 Kg8 64.Rh4 1-0
2014.11.22 Dutch League 2014-15
3113315 Ypma, P (2209) WGM Paulet, I (2220) 1-0
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 Bb4+ 5.Nbd2 O-O 6.Bg2 dxc4 7.Qc2 c5 8.Qxc4 Nc6 9.dxc5 e5 10.O-O Be6 11.Qc2 Rc8 12.a3 Qa5 13.Nb3 Bxb3 14.Qxb3 Bxc5 15.Bd2 Qa6 16.Rac1 Ne4 17.Be3 Nd4 18.Bxd4 exd4 19.Qd3 Qxd3 20.exd3 Nd6 21.Ne5 Bb6 22.Bh3 Rxc1 23.Rxc1 h6 24.Nd7 Rd8 25.Nxb6 axb6 26.Rc7 g6 27.Bg2 Re8 28.Bxb7 Re1+ 29.Kg2 Rd1 30.Bd5 Rxd3 31.Rd7 Ne8 32.Rd8 Kf8 33.Bc6 Ke7 34.Rxe8+ Kd6 35.Bf3 Rb3 36.Re2 d3 37.Rd2 Ke5 38.Bc6 b5 39.Be8 Kf6 40.Kf3 g5 41.Ke4 b4 42.a4 Ke7 43.Bb5 1-0
2014.11.01 Dutch League 2014-15
3119603 Ypma, P (2209) Rietveld, R (2223) 1-0
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.g3 Bf5 5.Nc3 e6 6.Nh4 Bg6 7.Qb3 Qb6 8.c5 Qc7 9.Bf4 Qc8 10.a4 Nbd7 11.Nxg6 hxg6 12.e4 dxe4 13.a5 Be7 14.Bg2 Nd5 15.Nxe4 Nxf4 16.gxf4 Qc7 17.a6 bxa6 18.Rxa6 Qxf4 19.Qe3 Qxe3+ 20.fxe3 Nb8 21.Ra3 a6 22.Rb3 f5 23.Nd2 O-O 24.Rb7 Bh4+ 25.Ke2 Rc8 26.Nc4 Bd8 27.Nb6 Bxb6 28.cxb6 1-0
2014.09.27 Dutch League 2014-15
3134074 Kevlishvili, Robby (2313) Ypma, P (2209) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.d3 g6 6.O-O Bg7 7.c3 c6 8.Bc4 Ne7 9.cxd4 d5 10.Bb3 Bxd4 11.Qe2 dxe4 12.dxe4 Be6 13.Rd1 Qb6 14.Bg5 h6 15.Bf4 Rd8 16.Na3 g5 17.Bg3 Bxb3 18.axb3 O-O 19.Nc4 Qb4 20.Rd3 Nc8 21.Rad1 Bf6 22.Nd6 Ne7 23.Qh5 Bg7 24.h4 g4 25.Qxg4 Ra8 26.Be5 f6 27.Rg3 fxe5 28.Qxg7# 1-0
2014.07.31 Dutch Open 2014
3159011 Ypma, P (2203) Dijkhuis, Sven (1988) 1-0
1.c4 e5 2.Nc3 Nc6 3.Nf3 Bc5 4.e3 d6 5.d4 exd4 6.exd4 Bb6 7.b4 a6 8.Bg5 f6 9.Be3 Nge7 10.Qb3 Nf5 11.c5 Ba7 12.Bc4 Nce7 13.Bf4 b5 14.Bf7+ Kf8 15.g4 Bb7 16.Bh5 g6 17.gxf5 gxh5 18.Qe6 Ng8 19.cxd6 Bxf3 20.dxc7 Qe8 21.Bd6+ Kg7 22.Rg1+ Bg4 23.d5 Nh6 24.Ne4 Qf7 25.Be7 Ng8 26.Bd8 Qxe6 27.fxe6 Bb6 28.h3 1-0
2014.07.30 Dutch Open 2014
3158983 Vos, T (2130) Ypma, P (2203) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O g6 6.c3 Bg7 7.cxd4 c6 8.Bc4 d5 9.exd5 cxd5 10.Qa4+ Bd7 11.Bb5 a6 12.Bxd7+ Qxd7 13.Qb4 Ne7 14.Nc3 O-O 15.d3 Nc6 16.Qc5 Rfd8 17.Be3 Rac8 18.Qb6 Ne7 19.Rac1 Rc6 20.Qb4 Re6 21.Na4 b6 22.Bf4 Nc6 23.Qxb6 Nxd4 24.Nc5 Rxb6 25.Nxd7 Rxb2 26.Bg5 Rxd7 27.Rc8+ Bf8 28.Re1 Ne6 29.Bf6 Rxa2 30.f4 Rc7 31.Ra8 Rac2 0-1
2014.07.29 Dutch Open 2014
3158959 Ypma, P (2203) Van Osch, Mees (2200) 1/2-1/2
1.f4 c5 2.Nf3 Nc6 3.e4 e6 4.Bb5 Nge7 5.Bxc6 Nxc6 6.c4 d5 7.d3 dxe4 8.dxe4 Qxd1+ 9.Kxd1 b6 10.Nc3 Bb7 11.Ke2 Nd4+ 12.Kf2 Be7 13.Be3 Nxf3 14.gxf3 Rd8 15.Rhd1 O-O 16.Rxd8 Rxd8 17.Rd1 Rxd1 18.Nxd1 f5 19.Nc3 Bf6 20.Bd2 a6 21.Ke3 Kf7 22.b3 Kg6 23.Na4 Bd4+ 24.Kd3 b5 25.Nc3 bxc4+ 26.bxc4 Bxc3 27.Bxc3 Kf7 28.Be5 Ke7 29.Bxg7 Kd7 30.Bh6 Bc8 31.h4 Kc7 32.Bf8 Kb6 33.h5 a5 34.h6 a4 35.a3 Ba6 36.e5 Kc6 37.Bd6 Kb6 38.Bf8 1/2-1/2
2014.07.28 Dutch Open 2014
3161335 Den Hartog, Marijn (2006) Ypma, P (2203) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.d3 g6 6.c3 Bg7 7.O-O Ne7 8.Qe2 O-O 9.cxd4 c6 10.Ba4 d5 11.Be3 Qb6 12.Nc3 Bxd4 13.Bxd4 Qxd4 14.Qe3 Qb4 15.d4 dxe4 16.a3 Qb6 17.Nxe4 Nf5 18.Qf4 Nxd4 19.Nf6+ Kg7 20.Nh5+ gxh5 21.Qg5+ Kh8 22.Qf6+ 1/2-1/2
2014.07.26 Dutch Open 2014
3161299 Ypma, P (2203) IM Afek, Y (2298) 0-1
1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 c5 6.d5 b5 7.cxb5 a6 8.bxa6 d6 9.Nc3 Bxa6 10.O-O Nbd7 11.Qc2 Qa5 12.h3 Rfb8 13.Rd1 Ra7 14.Rb1 Ne8 15.Bd2 Nc7 16.a3 Rab7 17.b4 Qxa3 18.Rb3 Qxb3 19.Qxb3 cxb4 20.Na4 Nc5 21.Nxc5 dxc5 22.Bf4 c4 23.Qa4 c3 24.Bxc7 Rxc7 25.Ne1 b3 26.Be4 Rc4 27.Qxa6 Rxe4 28.Rc1 Reb4 29.Kg2 R4b6 30.Qa3 Rc8 31.Qxe7 c2 32.Nxc2 Rbb8 33.Qe4 Bb2 34.Rf1 bxc2 35.d6 c1=Q 36.Rxc1 Bxc1 37.Qd5 Bb2 38.e4 Re8 39.d7 Red8 40.e5 Rb6 41.f4 Ba3 42.g4 Be7 43.f5 Rdb8 44.f6 Bd8 45.Qc5 Rb2+ 46.Kf3 R2b3+ 47.Kf4 h6 48.e6 fxe6 49.Qc1 Kf7 50.Ke5 R3b4 51.Kd6 R4b5 52.Qxh6 R8b6# 0-1
2014.07.25 Dutch Open 2014
3161279 Sparenberg, E (2119) Ypma, P (2203) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O g6 6.c4 Bg7 7.d3 Ne7 8.f4 c6 9.Ba4 d6 10.g4 f5 11.gxf5 gxf5 12.Qh5+ Kd7 13.Nd2 Kc7 14.b4 fxe4 15.dxe4 d3 16.Rb1 d5 17.cxd5 cxd5 18.Bb2 Bxb2 19.Rxb2 Qd6 20.Rc1+ Kd8 21.e5 Qg6+ 22.Qxg6 Nxg6 23.Rf1 Rf8 24.Rb3 Rxf4 25.Rxd3 Rxb4 26.Rxd5+ Ke7 27.Bb3 Nf4 28.Rc5 Bd7 29.Rc4 Rxc4 30.Bxc4 Rf8 31.Rf3 b5 32.Bf1 a5 33.Nb3 a4 34.Nc5 Nh3+ 35.Rxh3 Rxf1+ 36.Kxf1 Bxh3+ 37.Ke2 Be6 38.Nxe6 Kxe6 39.Kd3 Kxe5 40.Kc3 Kd5 41.Kb4 Kc6 42.h4 h5 43.Kc3 Kc5 44.a3 Kd5 45.Kb4 Kc6 46.Kc3 Kc5 47.Kd3 Kd5 48.Kc3 Ke4 49.Kb4 Kf4 50.Kxb5 Kg4 51.Kxa4 Kxh4 52.Kb5 Kg3 53.a4 h4 54.a5 h3 55.Kb6 h2 56.a6 h1=Q 57.Ka7 Qc6 0-1
2014.07.24 Dutch Open 2014
3161236 Ypma, P (2203) IM De Jong, M (2345) 0-1
1.f4 d5 2.Nf3 Bg4 3.e3 Nd7 4.h3 Bxf3 5.Qxf3 c6 6.d3 e5 7.e4 Ngf6 8.g4 exf4 9.g5 dxe4 10.dxe4 Qa5+ 11.Nc3 Qxg5 12.Bxf4 Qh4+ 13.Bg3 Qh5 14.Be2 Qxf3 15.Bxf3 Bb4 16.O-O-O Bxc3 17.bxc3 O-O 18.e5 Nd5 19.Bxd5 cxd5 20.Rxd5 Nb6 21.Rd3 Rfe8 22.Rf1 Rac8 23.Rdf3 Re7 24.Bf2 Nc4 25.Bd4 b6 26.Rf4 Rcc7 27.Rd1 h6 28.Re1 f6 29.e6 Rc6 30.Bxf6 gxf6 31.Rxf6 Kg7 32.Rf4 b5 33.Rfe4 Rc5 34.a4 a6 35.axb5 axb5 36.h4 Rf5 37.R4e2 Kf6 38.Kb1 Ne5 39.Kb2 Nf3 40.Ra1 Nxh4 41.Rh2 Rf4 42.Ra8 Nf5 43.Rf8+ Kg5 44.Rg2+ Rg4 45.Rf2 Ne3 46.Rb8 Nd1+ 0-1
2014.07.23 Dutch Open 2014
3161220 Op den Dries, J (2098) Ypma, P (2203) 0-1
1.d4 d5 2.Nc3 Bf5 3.f3 e6 4.e4 Bg6 5.Bd3 Nf6 6.Be3 dxe4 7.fxe4 Bb4 8.Bg5 c5 9.dxc5 Qa5 10.Bd2 Qxc5 11.Qe2 Nc6 12.Nf3 O-O 13.O-O-O Ne5 14.Nxe5 Qxe5 15.Rdf1 Rac8 16.h4 Bh5 17.g4 Bxg4 18.Qg2 h5 19.Be2 Bxc3 20.Bxc3 Qxe4 21.Bf3 Bxf3 22.Rxf3 Ng4 23.Kb1 e5 24.Re1 Qd5 25.Qe2 Qc4 26.Qd2 b5 27.b3 Qc6 28.Rd3 e4 29.Rg3 f6 30.Qe2 Rfe8 31.Bb2 b4 32.Rxg4 hxg4 33.Qxg4 e3 34.Rg1 Rc7 35.Qxb4 e2 36.Rc1 Qe4 37.Qxe4 Rxe4 38.Re1 f5 0-1
2014.07.22 Dutch Open 2014
3161174 Ypma, P (2203) GM Horvath, Cs1 (2542) 0-1
1.e4 g6 2.f4 d5 3.d3 Bg7 4.Be2 dxe4 5.dxe4 Qxd1+ 6.Bxd1 b6 7.e5 Bb7 8.Bf3 Nc6 9.Bd2 f6 10.Bc3 fxe5 11.Nd2 O-O-O 12.Bxc6 Bxc6 13.Ngf3 Nh6 14.O-O Nf5 15.Nxe5 Bxe5 16.fxe5 Ne3 17.Rf7 Rhf8 18.e6 Rxf7 19.exf7 Rf8 20.Re1 Nd5 21.Nc4 Nxc3 22.Ne5 Na4 23.Nxc6 Rxf7 24.Rxe7 Rxe7 25.Nxe7+ Kd7 26.Nd5 Nxb2 27.Nf6+ Ke7 28.Nxh7 Nd1 29.Ng5 Nc3 30.a3 a5 31.Kf2 Nb5 32.a4 Nc3 33.Ke3 Nxa4 34.Kd4 Nc5 35.Nf3 Kd6 36.h4 b5 37.g4 a4 38.Ne1 b4 39.h5 gxh5 40.gxh5 a3 41.c3 b3 42.h6 b2 43.h7 b1=Q 44.h8=Q Qe4# 0-1
2014.06.01 41st OKU Open A 2014
3185949 Ypma, P (2178) Van Opheusden, B (2112) 1/2-1/2
1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.f3 Bf5 5.c4 e6 6.dxe6 Nc6 7.exf7+ Kxf7 8.Bd3 Bb4+ 9.Nc3 Re8+ 10.Kf1 Qxd4 11.Be2 Bxc3 12.bxc3 Qxc3 13.Bg5 Nd4 14.Rc1 Bc2 15.Qd2 Qxd2 16.Bxd2 Rxe2 17.Nxe2 Bd3 18.Rc3 Bxe2+ 19.Kf2 c5 20.Re1 b5 21.cxb5 Bxb5 22.Rxc5 a6 23.Rc7+ Bd7 24.Rb7 Rc8 25.Bg5 Ne6 26.Bxf6 Nc5 27.Rxd7+ Nxd7 28.Bd4 Rc4 29.Ke3 Ra4 30.Re2 Nf8 31.Kd3 Ne6 32.Be3 Nc7 33.Kc3 Nd5+ 34.Kb3 Rb4+ 35.Kc2 Ra4 36.Kb2 Rb4+ 37.Kc2 1/2-1/2
2014.06.01 41st OKU Open A 2014
3185962 Rosmuller, A (2102) Ypma, P (2178) 1-0
1.d4 e6 2.c4 Bb4+ 3.Nc3 c5 4.e3 cxd4 5.exd4 d5 6.Nf3 Nc6 7.Be2 dxc4 8.Bxc4 Nf6 9.O-O O-O 10.Bg5 Be7 11.Re1 a6 12.Bb3 Nb4 13.Ne5 Bd7 14.Qe2 Rc8 15.Rad1 Nfd5 16.Nxd5 Nxd5 17.Bxd5 Bxg5 18.Bxb7 Bb5 19.Qf3 Rc2 20.Qb3 Qc7 21.Be4 Rd2 22.Nf3 Rxd1 23.Qxd1 Bf6 24.a4 Bd7 25.Qd3 Qa5 26.b3 Rc8 27.Rb1 g6 28.g3 Kg7 29.Kg2 Rc3 30.b4 Rxd3 31.bxa5 Ra3 32.Rb6 Bxa4 33.Rxa6 Bd1 34.Ne5 Be2 35.Ra7 Bd8 36.Nxf7 Rxa5 37.Rd7 Bb5 38.Rb7 Bf6 39.Nd6+ 1-0
2014.05.31 41st OKU Open A 2014
3185910 Ypma, P (2178) Henseler, J (2058) 1-0
1.b3 e5 2.Bb2 Nc6 3.e3 d5 4.Bb5 Bd6 5.f4 Qe7 6.Nf3 Bg4 7.h3 Bxf3 8.Qxf3 Nf6 9.fxe5 Bxe5 10.d4 Bd6 11.c4 Bb4+ 12.Kf1 O-O 13.a3 Rfe8 14.axb4 Qxb4 15.Ba4 dxc4 16.Bc3 Qd6 17.Bxc6 bxc6 18.bxc4 Ne4 19.Be1 Re6 20.Kg1 Rae8 21.Nd2 Nc3 22.c5 Qd8 23.Nc4 Rf6 24.Bh4 Ree6 25.Kh2 1-0
2014.05.31 41st OKU Open A 2014
3185916 FM Ten Hertog, H (2353) Ypma, P (2178) 1-0
1.e4 Nc6 2.Nc3 e5 3.g3 Bc5 4.Bg2 d6 5.Nge2 a6 6.d3 f5 7.O-O Nf6 8.Bg5 h6 9.Bxf6 Qxf6 10.exf5 Bxf5 11.Nd5 Qf7 12.c3 Bg4 13.h3 Bxh3 14.Nxc7+ Qxc7 15.Bxh3 O-O 16.d4 Ba7 17.Qb3+ Kh8 18.Rad1 Qf7 19.Qxf7 Rxf7 20.dxe5 dxe5 21.Kg2 g5 22.Rd6 Raf8 23.f3 h5 24.Rh6+ Rh7 25.Rxh7+ Kxh7 26.Nc1 Kg7 27.Be6 Rd8 28.Nb3 b5 29.Bf5 Ne7 30.Be4 Nd5 31.Bxd5 Rxd5 32.Rc1 Rd3 33.c4 e4 34.fxe4 Bb8 35.c5 Bxg3 36.c6 Bc7 37.Nc5 Rd2+ 38.Kf3 Kg6 39.Nxa6 Bb6 40.c7 Rf2+ 41.Kg3 h4+ 42.Kh3 Rf3+ 43.Kg2 Rf2+ 44.Kh3 Rf3+ 45.Kg2 Rf2+ 46.Kh1 Bxc7 47.Nxc7 Rxb2 48.e5 g4 49.e6 Re2 50.Nd5 Kg5 51.e7 h3 52.Rc8 Re1+ 53.Kh2 Re2+ 54.Kh1 Re1+ 55.Kh2 Re2+ 56.Kg1 Re1+ 57.Kf2 h2 58.Rh8 g3+ 59.Kxg3 1-0
2014.02.28 74th Noteboom Open 2014
3216455 Ypma, P (2178) IM Van der Werf, M (2426) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Nxe4 5.Qe2 Nd6 6.Bd5 Be7 7.Nxe5 Nxe5 8.Qxe5 O-O 9.d4 Bf6 10.Qf4 g6 11.Nc3 Nf5 12.Ne4 Bg7 13.Ng5 Qf6 14.Qxc7 Nxd4 15.Qc4 d6 16.c3 Nc6 17.Ne4 Qe5 18.g3 Ne7 19.Rd1 Nxd5 20.Rxd5 Qe6 21.Bf4 b5 22.Qd3 Bb7 23.Rd1 Qxd5 24.Qxd5 Bxd5 25.Rxd5 a6 26.Nxd6 Rfd8 27.Rc5 Bf8 28.Rd5 Be7 29.Rd2 g5 30.Nf5 gxf4 31.Nxe7+ Kf8 32.Nd5 Rd6 33.b3 Rc8 34.Rd3 f3 0-1
2013.12.30 51st Groningen Open A 2013
3229608 IM De Jong, M (2347) Ypma, P (2179) 1-0
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3 Nf6 6.d4 d5 7.Bd3 Bd6 8.O-O O-O 9.h3 c5 10.dxc5 Bxc5 11.Bg5 Nc6 12.Nc3 Be6 13.a3 a6 14.Qd2 Rc8 15.Rfe1 Bb6 16.Qf4 h6 17.Bxh6 gxh6 18.Qxh6 Re8 19.Ng5 Rc7 20.Bh7+ Kh8 21.Bf5+ Kg8 22.Nxe6 fxe6 23.Bxe6+ Rxe6 24.Rxe6 Rf7 25.Qg6+ Kf8 26.Rae1 Bxf2+ 27.Kxf2 Qb6+ 28.R6e3 d4 29.Qh6+ Kg8 30.Rg3+ Ng4+ 31.Ke2 d3+ 32.Kd1 dxc2+ 33.Kc1 1-0
2013.12.29 51st Groningen Open A 2013
3231328 Ypma, P (2179) Vos, T (2085) 1-0
1.d4 Nf6 2.g4 Nxg4 3.e4 d6 4.Bg5 c5 5.d5 g6 6.Nc3 a6 7.Be2 Nf6 8.f4 b5 9.e5 b4 10.Na4 dxe5 11.fxe5 Qxd5 12.Qxd5 Nxd5 13.O-O-O Bb7 14.Bf3 e6 15.Nb6 Ra7 16.Bxd5 Bxd5 17.Nf3 Be7 18.Nxd5 Bxg5+ 19.Nxg5 exd5 20.Rxd5 Rc7 21.Ne4 Nd7 22.Rf1 Ke7 23.Ng5 h6 24.Rxf7+ Ke8 25.e6 hxg5 26.Rfxd7 Rxd7 27.exd7+ Kd8 28.Rxc5 Kxd7 29.Rxg5 Rxh2 30.Rxg6 a5 31.Rg5 a4 32.Rg4 a3 33.b3 Rh1+ 34.Kd2 Ra1 35.Rxb4 Rxa2 36.Rb6 Kc7 37.Rh6 Ra1 38.Kc3 Kb7 39.Rh5 Kb6 40.Rh6+ Kb7 41.Rh4 Kb6 42.Ra4 Kb5 43.Ra8 Kb6 44.Kb4 1-0
2013.12.28 51st Groningen Open A 2013
3231266 Pijpers, A (2366) Ypma, P (2179) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.O-O Bxc3 9.d5 Bf6 10.Re1 Ne7 11.Rxe4 d6 12.Bg5 Bxg5 13.Nxg5 O-O 14.Nxh7 Bf5 15.Rh4 Bxh7 16.Qh5 f5 17.Qxh7+ Kf7 18.Qh5+ Kg8 19.Re1 b5 20.Bd3 Qd7 21.Re6 c6 22.Qh7+ Kf7 23.Bxf5 Rh8 24.Rxe7+ Qxe7 25.Qg6+ Kg8 26.Rxh8+ Kxh8 27.Qh7# 1-0
2013.12.27 51st Groningen Open A 2013
3231227 Ypma, P (2179) Gutkind, Kedem (2066) 1-0
1.a3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 O-O 5.c4 d6 6.d4 c5 7.g3 Qb6 8.Qb3 Nc6 9.d5 Na5 10.Qc2 cxb4 11.Nbd2 Ng4 12.e3 Bf5 13.Qc1 Nxe3 14.fxe3 Qxe3+ 15.Be2 Bd3 16.Ng1 Bxb2 17.Qxb2 Nxc4 18.Qxb4 Bxe2 19.Nxe2 Ne5 20.Qd4 Nd3+ 21.Kf1 Qxd2 22.Nf4 Qb2 23.Qxb2 Nxb2 24.Rb1 Nc4 25.Rxb7 Rfb8 26.Rxe7 Nxa3 27.Kg2 a5 28.Rf1 Re8 29.Rd7 Nc4 30.Kh3 Re5 31.Rc1 g5 32.Nh5 g4+ 33.Kh4 Ne3 34.Rcc7 Nf5+ 35.Kxg4 Ne3+ 36.Kh4 Ng2+ 37.Kg4 Ne3+ 38.Kh4 Nxd5 39.Ra7 Rxa7 40.Rd8+ 1-0
2013.12.26 51st Groningen Open A 2013
3231167 IM Hoeksema, E (2369) Ypma, P (2179) 1-0
1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.f3 d5 5.cxd5 Nxd5 6.Nxd5 Qxd5 7.e4 Qd6 8.Ne2 e5 9.Be3 Qb4+ 10.Qd2 Qxd2+ 11.Kxd2 exd4 12.Nxd4 Nc6 13.Nxc6 Bxc6 14.Ba6 Rd8+ 15.Ke2 Bd6 16.Rac1 Bd7 17.f4 c5 18.Bb7 O-O 19.Bd5 Rfe8 20.Kf3 Be6 21.Rhd1 Bxd5 22.Rxd5 Kf8 23.Rcd1 Ke7 24.e5 Bc7 25.Rxd8 Bxd8 26.f5 Bc7 27.Rd5 Rc8 28.Ke4 a6 29.h3 g6 30.Bg5+ Ke8 31.g4 c4 32.a4 Rb8 33.Bd2 Bd8 34.Bb4 b5 35.axb5 axb5 36.f6 Bc7 37.g5 Bd8 38.h4 Bc7 39.e6 Rd8 40.Rc5 Bd6 41.Rxb5 fxe6 42.Bxd6 Rxd6 43.Rb8+ Kf7 44.Rb7+ Kg8 45.Rg7+ Kf8 46.Rxh7 Rd2 47.h5 1-0
2013.12.24 51st Groningen Open A 2013
3231130 Ypma, P (2179) Keetman, Maaike (1899) 1-0
1.f4 d5 2.Nf3 Nf6 3.g3 Bf5 4.Bg2 e6 5.O-O Nbd7 6.c4 c6 7.b3 Be7 8.Kh1 O-O 9.d3 Qb6 10.Nc3 Nc5 11.Be3 Qa5 12.Qe1 Qc7 13.Bg1 Rfd8 14.Rc1 Nfd7 15.cxd5 exd5 16.b4 Na6 17.Nxd5 Qd6 18.Nxe7+ Qxe7 19.Nd4 Be6 20.a3 Nf6 21.f5 Bc8 22.e4 Nd7 23.Qc3 Ne5 24.Rcd1 Rd6 25.Ne6 fxe6 26.Qxe5 Rd8 27.f6 gxf6 28.Rxf6 Rf8 29.Qg5+ Kh8 30.Bd4 1-0
2013.12.23 51st Groningen Open A 2013
3231086 Sandvik, T (2083) Ypma, P (2179) 0-1
1.e4 e6 2.d4 b6 3.Bd3 Bb7 4.Nc3 Bb4 5.Nf3 Nf6 6.Qe2 d5 7.exd5 Nxd5 8.Bd2 Bxc3 9.bxc3 Qd6 10.Ne5 Nd7 11.Nxd7 Qxd7 12.O-O O-O-O 13.Ba6 Qa4 14.Bxb7+ Kxb7 15.c4 Nb4 16.Bxb4 Qxb4 17.Qd3 e5 18.Rfb1 Qd6 19.Qe4+ Kb8 20.d5 f5 21.Qe3 Rhf8 22.a4 f4 23.Qe4 f3 24.g3 Qd7 25.Rb3 Qf5 26.Re3 g5 27.Qxf5 Rxf5 28.Rae1 Re8 29.h3 h5 30.Re4 Kc8 31.Rb1 Rf6 32.Rbe1 Rf5 33.Kf1 Kd7 34.Rb1 Rf6 35.Ke1 h4 36.gxh4 Rf4 37.Rxf4 gxf4 38.Kd2 e4 39.Rg1 e3+ 40.Ke1 Re4 41.fxe3 fxe3 42.Rg4 Re7 43.Rf4 f2+ 44.Ke2 Ke8 45.Rf3 Kd7 46.h5 Kd6 47.h6 Kc5 48.h7 Rxh7 49.Kxe3 Rxh3 50.Kxf2 Rxf3+ 51.Kxf3 Kxc4 52.Ke4 a5 53.Ke5 b5 54.axb5 Kxb5 55.Kd4 Kb4 56.c3+ Kb3 57.c4 a4 58.c5 a3 59.d6 cxd6 60.cxd6 a2 61.Kc5 a1=Q 62.d7 Qa5+ 63.Kc6 Qd8 0-1
2013.12.22 51st Groningen Open A 2013
3234871 Ypma, P (2179) Stolwijk, Colin (2041) 0-1
1.c4 c6 2.b3 d5 3.Bb2 Bf5 4.g3 Nd7 5.Bg2 Ngf6 6.Nf3 e6 7.O-O Bd6 8.d4 O-O 9.Nh4 Bg6 10.Nxg6 hxg6 11.c5 Be7 12.f4 Ne4 13.Nd2 Nxd2 14.Qxd2 f5 15.b4 a5 16.a3 axb4 17.axb4 b5 18.cxb6 Nxb6 19.Rac1 Qd7 20.Qd3 Bd6 21.Bc3 Ra3 22.Qb1 Nc4 23.Rf3 Rb8 24.Be1 Rxf3 25.exf3 Bxb4 26.Bf1 Qa7 27.Qa1 Qxa1 28.Rxa1 Bxe1 29.Rxe1 Nd2 30.Kf2 Kf7 31.Bd3 Rb3 32.Be2 Rb1 33.Rxb1 Nxb1 34.Ke3 Nc3 35.Ba6 Ke7 36.Bb7 Kd7 37.Ba6 Na4 38.Kd2 Kd6 39.Kc2 Nb6 40.Kc3 c5 41.Bb5 cxd4+ 42.Kxd4 Nd7 43.Ba4 e5+ 44.fxe5+ Nxe5 45.f4 Nf3+ 46.Ke3 Nxh2 47.Be8 g5 48.Bg6 Ke6 49.Bh7 Ng4+ 50.Kd4 Nf6 51.Bg6 g4 52.Ke3 Ne4 53.Bh7 Nxg3 54.Bg8+ Kd6 55.Bh7 Kc5 56.Kd3 Ne4 57.Bxf5 g3 0-1
2013.12.21 51st Groningen Open A 2013
3234789 IM Stukopin, A (2509) Ypma, P (2179) 1-0
1.Nf3 e6 2.g3 c5 3.Bg2 Nc6 4.c4 Nf6 5.O-O d5 6.d4 dxc4 7.Qa4 cxd4 8.Ne5 Bd7 9.Nxc6 Qb6 10.e3 Bc5 11.b4 cxb3 12.exd4 b2 13.dxc5 bxa1=Q 14.cxb6 Qxb1 15.Be3 Qd3 16.Rd1 Qxd1+ 17.Qxd1 Bxc6 18.Bxc6+ bxc6 19.b7 Rd8 20.Qxd8+ 1-0
2013.07.25 Dutch Open 2013
3290928 IM Hendriks, W (2417) Ypma, P (2178) 1-0
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 c4 7.Nbd2 Na5 8.h4 Bd7 9.g3 h6 10.Bh3 O-O-O 11.O-O Kb8 12.Rb1 Qc7 13.Re1 Ne7 14.Kg2 Nc8 15.Nf1 Nb6 16.Qe2 Be7 17.N1h2 Rdg8 18.Be3 Ba4 19.Rh1 Qd8 20.Rbf1 Na8 21.Ne1 Nc7 22.h5 Qe8 23.Kg1 Qb5 24.Bg4 Qb3 25.Kg2 Rc8 26.f4 g6 27.Rf2 Qb5 28.Kg1 Rh7 29.Nf1 Rch8 30.Nf3 Qe8 31.Rfh2 Qg8 32.Rh3 Qg7 33.N3h2 Bd7 34.Qf2 Nc6 35.Bd1 Re8 36.Ng4 Reh8 37.Qh2 Bf8 38.Nf6 Kc8 39.Bc2 b5 40.hxg6 fxg6 41.g4 a5 42.Qg2 Ne7 43.Ng3 Ne8 44.Nxh7 Rxh7 45.f5 exf5 46.gxf5 gxf5 47.Rxh6 Rxh6 48.Bxh6 Qf7 49.Bxf8 Qxf8 50.Nh5 a4 51.Nf4 Qf7 52.Rh8 Kb7 53.e6 Bxe6 54.Rxe8 Qxe8 55.Nxe6 Qh5 56.Qg5 1-0
2013.07.24 Dutch Open 2013
3290916 Ypma, P (2178) GM Sengupta, D (2555) 1/2-1/2
1.d4 d5 2.c4 e6 3.Nf3 c6 4.Nc3 Nf6 5.g3 dxc4 6.Bg2 b5 7.a4 b4 8.Nb1 Nbd7 9.O-O Ba6 10.Qc2 c5 11.Ne5 cxd4 12.Nc6 Qc7 13.Nxb4 Rc8 14.Nxa6 Qb6 15.Rd1 Ng4 16.Qe4 Nxf2 17.Kxf2 Qxa6 18.Qb7 Qxb7 19.Bxb7 Rc7 20.Ba6 Bb4 21.Bd2 Bxd2 22.Rxd2 Nc5 23.Bb5+ Ke7 24.Rc2 Ne4+ 25.Ke1 Nd6 26.Na3 Rb8 27.Bxc4 Rb4 28.Bb5 Nxb5 29.axb5 Rd7 30.Rd1 e5 31.Rdd2 h5 32.Kd1 h4 33.Kc1 Ke6 34.Rc4 Rxc4+ 35.Nxc4 Rb7 36.gxh4 Rxb5 37.Rd3 Rc5 38.b3 a5 39.Kd2 a4 40.Na3 axb3 41.Rxb3 Rc8 42.Rb6+ Kf5 43.Nb5 Kf4 44.Rb7 f5 45.Rxg7 Rh8 46.Nd6 Rh6 47.Nc4 Rxh4 48.Rg2 e4 49.Kc2 Rh6 50.Rf2+ Kg5 51.Nd2 Rc6+ 52.Kd1 Rc3 53.h4+ Kg4 54.Rh2 Kh5 55.Nf1 Ra3 56.Kc2 d3+ 57.exd3 Rxd3 58.Nd2 Ra3 59.Kb2 Rg3 60.Re2 Kxh4 61.Nxe4 1/2-1/2
2013.06.01 OKU Open A 2013
3321898 GM Lalic, B (2493) Ypma, P (2152) 1-0
1.d4 g6 2.c4 Bg7 3.e4 c5 4.d5 d6 5.Nc3 Nf6 6.h3 O-O 7.Nf3 a6 8.a4 b6 9.Bd3 e5 10.Bg5 h6 11.Be3 Ra7 12.Qd2 Kh7 13.g4 Rh8 14.O-O-O Kg8 15.Kb1 Kf8 16.Rdf1 Ke8 17.Ne1 g5 18.f3 Nh7 19.h4 f6 20.Ne2 Rf7 21.Ng3 Kd7 22.Nf5 Kc7 23.Rh3 Bf8 24.Rfh1 a5 25.Nc2 Kb7 26.Na3 Na6 27.Nb5 Nc7 28.Nc3 Bxf5 29.exf5 Rg8 30.Ne4 Rgg7 31.hxg5 hxg5 32.Rh6 Be7 33.Rg6 Nf8 34.Ng3 Rh7 35.Rh5 Nd7 36.Qh2 Qh8 37.Rgh6 Nf8 38.Bxg5 Rxh6 39.Bxh6 Rh7 40.Be3 Ne8 41.Rxh7 Qxh7 42.Qh5 Qxh5 43.gxh5 Kc7 44.f4 Kd7 45.h6 e4 46.Be2 Kd8 47.Bh5 Nh7 48.Bg6 Bf8 49.Bxh7 Bxh6 50.Nxe4 Ke7 51.Bg6 Nc7 52.Kc2 Bg7 53.Bd2 Bh6 54.Kd3 Bg7 55.Ke2 1-0
2013.05.20 BSG Pinkstertoernooi 2013
3325972 Cornelisse, J (2215) Ypma, P (2152) 0-1
1.c4 g6 2.Nc3 Bg7 3.d4 c5 4.d5 d6 5.e4 e5 6.Bd3 Ne7 7.Nge2 O-O 8.O-O f5 9.f4 Nd7 10.Nb5 Nb6 11.Ng3 a6 12.Nc3 Nd7 13.Qc2 exf4 14.Bxf4 Ne5 15.Bg5 h6 16.Bxe7 Qxe7 17.exf5 Qg5 18.f6 Bxf6 19.Rae1 Ng4 20.Nce4 Bd4+ 21.Kh1 Rxf1+ 22.Rxf1 Qh4 23.h3 Ne3 24.Qe2 Nxf1 25.Nxf1 Qf4 26.Neg3 Qe5 27.Qd2 Kg7 28.Qa5 Qe7 29.Qb6 a5 30.a4 Ra6 31.Qb3 Qf7 32.Qc2 Qf2 33.Qxf2 Bxf2 34.Ne4 Bd4 35.b3 Bf5 36.Nfg3 Be5 37.Nf1 Rb6 38.Nfd2 Bf4 0-1
2013.05.20 BSG Pinkstertoernooi KO 2013
3325980 Ypma, P (2152) GM Reinderman, D (2571) 0-1
1.c4 f5 2.g3 Nf6 3.Bg2 g6 4.Nc3 Bg7 5.b3 O-O 6.Bb2 e5 7.e3 c6 8.d4 e4 9.d5 Na6 10.Nge2 Nc5 11.Nf4 g5 12.b4 Na6 13.Nfe2 Nxb4 14.O-O Nd3 15.Ba3 d6 16.Rb1 Ne5 17.c5 Nc4 18.Qa4 Nxa3 19.Qxa3 Nxd5 20.Nxd5 cxd5 21.cxd6 Rf6 22.d7 Qxd7 23.Nd4 Ra6 24.Qb3 Rb6 25.Qc2 Rxb1 26.Rxb1 b6 27.Bf1 Bxd4 28.exd4 Bb7 29.Qd2 Qe7 30.Bb5 Rf8 31.Kh1 Kh8 32.Ba4 f4 33.gxf4 gxf4 34.Rg1 Ba6 35.Bb3 e3 36.Qe1 Qe4+ 0-1
2013.05.20 BSG Pinkstertoernooi KO 2013
3325982 GM Reinderman, D (2571) Ypma, P (2152) 1-0
1.c4 g6 2.Nf3 Bg7 3.Nc3 c6 4.e4 e5 5.d4 d6 6.Be2 Ne7 7.O-O O-O 8.Re1 f5 9.dxe5 dxe5 10.Bg5 Qc7 11.c5 Rd8 12.Qb3+ Kh8 13.Qf7 fxe4 14.Nxe4 Rd7 15.Bf6 Bxf6 16.Nxf6 Nf5 17.Qg8# 1-0
2013.05.19 BSG Pinkstertoernooi 2013
3325880 Ypma, P (2152) IM Bosboom, M (2400) 0-1
1.d4 g6 2.g3 Bg7 3.Bg2 Nf6 4.c4 O-O 5.Nf3 d6 6.O-O Nbd7 7.Nc3 e5 8.e4 exd4 9.Nxd4 c6 10.b3 Re8 11.Bb2 Nc5 12.Qc2 a5 13.h3 Qb6 14.Rad1 a4 15.Rfe1 Nfd7 16.Nce2 Ne5 17.Nc1 h5 18.Kh1 axb3 19.axb3 Ned7 20.f4 Nf6 21.Bc3 Bxh3 22.Bxh3 Nfxe4 23.Bg2 Nxc3 24.Qxc3 Ne6 25.Nce2 Nxd4 26.Nxd4 Rxe1+ 27.Qxe1 Bxd4 28.f5 Be5 29.fxg6 fxg6 30.b4 Qc7 31.Qe3 Kg7 32.b5 Rf8 33.b6 Qe7 34.c5 dxc5 35.Bh3 Rf7 36.Re1 Bf6 37.Be6 Bd4 38.Qa3 Rf1+ 39.Rxf1 Qxe6 40.g4 hxg4 41.Qg3 Be5 42.Qh4 Qd5+ 43.Kg1 Bd4+ 44.Kh2 Qe5+ 45.Qg3 Qe2+ 46.Qg2 g3+ 47.Kh3 Qh5+ 48.Kxg3 Be5+ 49.Kf2 Qh4+ 50.Kf3 Qf4+ 51.Ke2 Qc4+ 52.Ke3 Qb3+ 53.Ke2 Qb5+ 54.Kf3 Qxb6 55.Qg5 Bf6 56.Qf4 Qd8 57.Kg3 b5 58.Rf2 c4 59.Ra2 Qe7 60.Qf3 Be5+ 61.Kh3 Qd7+ 62.Kh4 c3 63.Rf2 Qe7+ 64.Kh3 Qf6 65.Qe2 Qg5 66.Rf3 Qh5+ 0-1
2013.05.19 BSG Pinkstertoernooi 2013
3325920 Kampen, B (1906) Ypma, P (2152) 0-1
1.d4 g6 2.Nf3 Bg7 3.g3 c5 4.c3 Nf6 5.Bg2 d5 6.O-O O-O 7.Qa4 Bd7 8.Qa3 c4 9.Bg5 h6 10.Bxf6 Bxf6 11.Nbd2 e6 12.b4 a5 13.Qb2 axb4 14.Qxb4 Nc6 15.Qxb7 Rb8 16.Qa6 Be7 17.Rfb1 Qc7 18.e4 Na5 19.Rxb8 Rxb8 20.Rb1 Bd8 21.Rxb8 Qxb8 0-1
2013.05.19 BSG Pinkstertoernooi 2013
3325940 Ypma, P (2152) Visser, HJ (2280) 1-0
1.d4 d5 2.Nf3 Nf6 3.g3 Bf5 4.Bg2 e6 5.c4 c6 6.O-O Nbd7 7.b3 h6 8.Re1 Bb4 9.Bd2 Be7 10.Nc3 O-O 11.Bc1 a5 12.Nd2 Bg6 13.e4 Bb4 14.Bb2 Nxe4 15.Ndxe4 Bxe4 16.Bxe4 dxe4 17.Rxe4 Re8 18.a3 Bf8 19.Qc2 g6 20.Rd1 Nf6 21.Re2 Rc8 22.a4 Qb6 23.Nb1 Bg7 24.Nd2 Red8 25.Nf3 Qc7 26.Qb1 Ne8 27.Red2 Nf6 28.Qa1 Qe7 29.Ba3 Qe8 30.Bb2 Qe7 31.Ba3 Qe8 32.Bb2 Nd7 33.Kg2 Kh7 34.Bc3 Ra8 35.Qb2 Qh8 36.Rd3 b6 37.Qd2 Rdc8 38.Qf4 Qe8 39.h4 Kg8 40.Nh2 h5 41.Nf3 Qe7 42.Qc1 Nf6 43.Bd2 Ng4 44.Bf4 Ra7 45.Qd2 Rd7 46.Ne5 Rdd8 47.Nxg4 hxg4 48.Qe2 f5 49.Re3 Re8 50.Kg1 Qd7 51.Be5 Bh6 52.Red3 Kf7 53.Qb2 Re7 54.Kg2 Qb7 55.Kg1 Rd7 56.b4 Qa6 57.b5 cxb5 58.axb5 Qb7 59.d5 exd5 60.Rxd5 Rxd5 61.cxd5 Rc5 62.d6 Qf3 63.Re1 Rd5 64.Bf4 Bf8 65.Qc2 Kg8 66.Qc8 Rd1 67.Qe6+ Kh7 68.d7 Rxe1+ 69.Qxe1 Qd5 70.Qd2 Qxd2 71.Bxd2 Be7 72.Bg5 1-0
2013.05.18 BSG Pinkstertoernooi 2013
3325852 Ypma, P (2152) FM Plukkel, S (2347) 1/2-1/2
1.d4 Nf6 2.g3 e6 3.Bg2 c5 4.Nf3 cxd4 5.Nxd4 Nc6 6.O-O Bc5 7.Nb3 Be7 8.c4 O-O 9.Nc3 a6 10.Be3 Ne5 11.Qd4 d6 12.Rac1 Rb8 13.Rfd1 Qc7 14.Ne4 Nxe4 15.Bxe4 b6 16.Bf4 Rd8 17.c5 bxc5 18.Nxc5 Qa5 19.Nb3 Qxa2 20.Qa7 Bb7 21.Bxb7 Qxb3 22.Bxa6 Bf6 23.Qc7 Qb6 24.Qxb6 Rxb6 25.Rc8 Rxc8 26.Bxc8 d5 27.Ra1 g5 28.Bxe5 Bxe5 29.Rb1 Bxb2 30.Bd7 Kf8 31.Ba4 f5 32.e3 Ke7 33.Kf1 Kd6 34.Ke2 Kc5 35.Kd3 e5 36.Kc2 Ba3 37.Rxb6 Kxb6 38.Bd7 f4 39.gxf4 gxf4 40.exf4 e4 41.Bg4 Bd6 42.f3 e3 43.Kd3 Bxf4 44.h4 Kc5 45.h5 h6 46.Bf5 Kd6 47.Bg6 Ke6 48.Ke2 Kf6 49.Kd3 Kg5 50.Ke2 Kh4 51.Kd3 Bg5 52.Ke2 Kg3 53.Bd3 d4 54.Bg6 Kh4 55.Kd3 Bf4 56.Ke2 Kg5 57.Ke1 1/2-1/2
2013.05.17 BSG Pinkstertoernooi 2013
3325842 Van Leusden, Dennis (1940) Ypma, P (2152) 0-1
1.d4 g6 2.e4 Bg7 3.Nc3 c5 4.d5 d6 5.Bd3 Nf6 6.h3 Bd7 7.a4 O-O 8.Nf3 e5 9.g4 b6 10.Bg5 a6 11.Nd2 Ra7 12.Nc4 Be8 13.Qf3 Rb7 14.Na3 Bd7 15.Qe2 Ra7 16.Nc4 Qc7 17.Qf3 Ne8 18.Kd2 f6 19.Be3 Rb7 20.Na3 Qd8 21.Qe2 Nc7 22.Rag1 g5 23.b3 Rf7 24.h4 Bf8 25.hxg5 fxg5 26.Rh5 Be7 27.Rgh1 Rg7 28.f3 Be8 29.R5h3 Qd7 30.Qh2 Bg6 31.Qe2 Bd8 32.Rh6 Kf8 33.Kd1 Bf6 34.Qf1 Ke8 35.R1h2 Kd8 36.Qe2 Kc8 37.Qf1 Rg8 38.Qe2 Bg7 39.R6h3 h6 40.Qf1 Be8 41.Nc4 b5 42.Na5 Ra7 43.Kd2 Ra8 44.Nc6 Nxc6 45.dxc6 Qxc6 46.Nd5 Nxd5 47.exd5 Qxd5 48.Ke1 Kb8 49.axb5 axb5 50.Rd2 Qc6 51.Kf2 Bd7 52.c4 bxc4 53.bxc4 Rf8 54.Kg3 e4 55.Be2 Be5+ 56.Kg2 Bxg4 57.Rxh6 exf3+ 58.Kg1 Qe4 59.Bxg5 f2+ 0-1
2013.02.09 73rd Noteboom Mem
3355528 Ypma, P (2157) Hachijan, A (2213) 0-1
1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.Nc3 Nbd7 7.e4 e5 8.d5 Nc5 9.Qc2 a5 10.O-O c6 11.Be3 cxd5 12.cxd5 b6 13.a3 a4 14.Bxc5 bxc5 15.Nxa4 Qa5 16.Nc3 Ba6 17.Rfb1 c4 18.Bh3 Ra7 19.Re1 Rb8 20.Na2 Qc5 21.Nb4 Bb5 22.Qc3 Nxe4 23.Rxe4 f5 24.Ng5 fxe4 25.Nxe4 Qb6 26.Be6+ Kh8 27.Qd2 Qd4 28.Qxd4 exd4 29.Nxd6 d3 30.Nxb5 Rxb5 31.d6 Rxb4 32.d7 Bf6 0-1
2013.02.08 73rd Noteboom Mem
3355487 Ypma, P (2157) GM Andriasian, Z (2608) 0-1
1.c4 e5 2.g3 h5 3.h4 Nc6 4.Bg2 g6 5.Nc3 Bg7 6.d3 d6 7.Rb1 a5 8.a3 Nf6 9.Bg5 Ne7 10.Nd5 Nfxd5 11.cxd5 O-O 12.Qc2 Bd7 13.Bxe7 Qxe7 14.Qxc7 Rfc8 15.Qb6 Rc5 16.Qb3 Rac8 17.e4 Rc1+ 18.Rxc1 Rxc1+ 19.Ke2 a4 20.Qb4 Bh6 21.f3 b5 22.Kf2 Rc2+ 23.Ne2 Bd2 0-1
2012.12.30 Groningen Open A
3367823 Ypma, P (2157) FM Lyell, M (2226) 0-1
1.g3 e5 2.Bg2 d5 3.c4 d4 4.Qa4+ Bd7 5.Qa5 Nc6 6.Bxc6 Bxc6 7.Qxe5+ Be7 8.f3 Nf6 9.b4 O-O 10.Bb2 Nd7 11.Qf4 Bd6 12.Qh4 Qxh4 13.gxh4 Bxb4 14.Bxd4 Be7 15.Bf2 Ne5 16.c5 Nd7 17.Nh3 Nxc5 18.O-O Ne6 19.Nc3 Rad8 20.d3 h5 21.Bg3 Rd7 22.Rab1 g6 23.Ne4 Nd4 24.Nf4 Nf5 25.Ng2 Re8 26.Rfc1 Nxg3 27.hxg3 f5 28.Nc3 Kf7 29.Kf2 Bf6 30.Rc2 Bd4+ 31.Kf1 Be5 32.Kf2 a6 33.Rb4 b5 34.Na4 a5 35.Rb1 Bd4+ 36.e3 bxa4 37.Rxc6 Bb6 38.d4 Rde7 39.Rc4 Re6 40.Rxa4 Rc6 41.Rb2 Rc3 42.Re2 Re6 43.Nf4 Rec6 44.Rd2 Rc1 45.Ne2 Rb1 46.Ra3 Rc4 47.Rc3 Rcb4 48.a3 R4b2 49.Rxb2 Rxb2 50.e4 0-1
2012.12.28 Groningen Open A
3367765 Ypma, P (2157) FM Heemskerk, W (2253) 1/2-1/2
1.d4 e6 2.c4 Nf6 3.g3 d5 4.Nf3 Be7 5.Bg2 O-O 6.O-O Nbd7 7.b3 c6 8.Nbd2 b6 9.Qc2 Bb7 10.Bb2 Rc8 11.e4 c5 12.e5 Ne8 13.dxc5 Bxc5 14.Qd3 Nc7 15.Rae1 Qe7 16.a3 a5 17.a4 Rfd8 18.Qb1 Bb4 19.Rd1 h6 20.cxd5 Nxd5 21.Nc4 Ba6 22.Nd4 Bxc4 23.bxc4 Rxc4 24.Nf5 Qf8 25.Bxd5 exd5 26.Rxd5 Rc5 27.Rfd1 1/2-1/2
2012.12.27 Groningen Open A
3367742 WGM Calzetta Ruiz, M (2286) Ypma, P (2157) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.c3 d5 5.Nxe5 dxe4 6.O-O Qd5 7.Nxc6 Qxb5 8.Nd4 Qd3 9.Re1 c5 10.Re3 Qa6 11.Nb3 Qc6 12.d4 c4 13.N3d2 f5 14.a4 Nd5 15.Re1 Bd6 16.Qh5+ Kf8 17.Qe2 Be6 18.Qxc4 Qe8 19.Qb5 Qg6 20.Nf1 f4 21.Kh1 Nf6 22.Nbd2 Bd5 23.c4 Bc6 24.Qb3 e3 25.d5 exd2 26.Bxd2 Bd7 27.Qxb7 Kf7 28.Re6 Rhb8 29.Rxf6+ Qxf6 30.Qxd7+ Kg8 31.Bc3 Be5 32.Re1 Bxc3 33.bxc3 h6 34.d6 Rd8 35.Qe6+ Qxe6 36.Rxe6 Re8 37.Rxe8+ Rxe8 38.c5 Re1 39.Kg1 Kf7 40.f3 Rc1 41.g3 fxg3 42.hxg3 Rxc3 43.Nd2 Rxc5 44.Ne4 Ra5 0-1
2012.12.23 Groningen Open A
3367672 Ypma, P (2157) Gieben, Stijn (2048) 1-0
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.g3 e6 5.Bg2 Bd6 6.b3 O-O 7.O-O Nbd7 8.Bb2 Ne4 9.Ne5 f5 10.f3 Nef6 11.Nd3 c5 12.e3 b6 13.Nd2 Ba6 14.Re1 Re8 15.e4 dxc4 16.Nxc4 Bf8 17.Rc1 Rc8 18.Kh1 cxd4 19.Bxd4 Nc5 20.Nxc5 Bxc5 21.Bxc5 Rxc5 22.e5 Bxc4 23.bxc4 Nd7 24.f4 Rc7 25.Re2 Nc5 26.Rd2 Rd7 27.Rd6 Qc7 28.Qd4 Red8 29.Rd1 g6 30.h3 Kf8 31.Kh2 Ke7 32.Qa1 Kf7 33.R1d2 Na6 34.Qd1 Nc5 35.Bf3 Ke7 36.Qa1 Rxd6 37.exd6+ Rxd6 38.Qg7+ Kd8 39.Qg8+ Kd7 40.Re2 Rd3 41.Bg2 Kd6 42.a4 a5 43.Qh8 Qf7 44.Qd8+ Nd7 45.Rb2 Kc5 46.Qc7+ Kd4 47.Rxb6 Ke3 48.Qa7 Qg7 49.Rxe6+ Kd2 50.Bf1 Qd4 51.Qxa5+ Rc3 52.Re2+ Kd1 53.Qb4 Nc5 54.Rg2 Rb3 55.Be2+ Kc1 56.Qe1+ Kb2 57.Bd1+ 1-0
2012.12.21 Groningen Open A
3369666 Ypma, P (2157) IM Nestorovic, N (2429) 0-1
1.d4 Nf6 2.c4 c5 3.d5 b5 4.Qc2 bxc4 5.e4 d6 6.Bxc4 g6 7.Nf3 Bg7 8.O-O O-O 9.Nc3 Nbd7 10.Rb1 Nb6 11.b3 Nxc4 12.bxc4 e6 13.h3 a6 14.Bf4 e5 15.Bg5 h6 16.Bxf6 Qxf6 17.Qd3 Qd8 18.Rb3 f5 19.Rfb1 Ra7 20.Rb8 Raf7 21.R1b6 Qc7 22.Qb1 fxe4 23.Rc6 Qa5 24.Rcxc8 Qxc3 25.Rxf8+ Bxf8 26.Qxe4 Qc1+ 27.Ne1 Kg7 28.Qe2 Rf4 29.Rb7+ Kg8 30.g3 Qxc4 31.Nd3 Rd4 32.Rb3 Qxd5 33.Ne1 c4 34.Rb8 Re4 0-1
2012.11.18 Remco Heite Open 2012
3383922 GM Van den Doel, E (2570) Ypma, P (2150) 0-1
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 g6 9.O-O Bg7 10.Qd3 O-O 11.Nd4 Qb6 12.Nxc6 Qxc6 13.Rb1 a6 14.a4 Nd7 15.b3 Nc5 16.Qc2 Bxc3 17.Qxc3 Nxe4 18.Qb2 Rfd8 19.Bh6 e5 20.f3 Nc5 21.f4 Nd3 22.Qc3 Qc5+ 23.Kh1 Nf2+ 24.Rxf2 Qxf2 25.fxe5 Qf5 26.Re1 dxe5 27.h3 Rd3 28.Qb4 Rd7 29.Qc5 Re8 30.b4 e4 31.Qe3 Qh5 32.b5 axb5 33.axb5 Rd1 34.Rxd1 Qxd1+ 35.Kh2 Qd3 36.Qb6 Qxc4 37.Be3 Qd5 38.g3 Rd8 39.h4 Qa2+ 40.Kh3 Qe6+ 41.Qxe6 fxe6 42.Kg4 Rf8 43.Bf4 e5 44.Bxe5 Rf5 45.Bd4 Rxb5 46.Kf4 Rb4 47.Kxe4 Kf7 48.Kd5 Rxd4+ 49.Kxd4 Ke6 50.g4 h6 51.Ke4 b5 52.Kd4 b4 53.h5 g5 0-1
2012.11.18 Remco Heite Open 2012
3383924 Ypma, P (2150) GM L'Ami, E (2629) 0-1
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.h3 g6 7.Nf3 Bf5 8.Na3 Bxd3 9.Qxd3 Bg7 10.Bf4 O-O 11.O-O e6 12.Rfe1 a6 13.Nc2 b5 14.a4 Qb6 15.axb5 axb5 16.Ne5 Na5 17.Bg5 Qb7 18.b4 Nc6 19.Bxf6 Bxf6 20.Nf3 Rfc8 21.Rxa8 Rxa8 22.Ra1 Rc8 23.Nd2 e5 24.Qf3 Kg7 25.Qxd5 Rd8 26.Qf3 exd4 27.Nxd4 Bxd4 28.cxd4 Qd7 29.d5 Qxd5 30.Qxd5 Rxd5 31.Ne4 Rd4 32.Nc3 Rxb4 33.Ra6 Nd4 34.Rd6 Rc4 35.Rxd4 Rxd4 36.Nxb5 Rd1+ 37.Kh2 Rd3 38.Nc7 Kf6 39.Na6 Ke5 40.Nc5 Rc3 41.Nd7+ Ke6 42.Nf8+ Ke7 43.Nxh7 f6 44.g4 g5 45.f4 gxf4 46.g5 Rc2+ 47.Kg1 fxg5 48.Nxg5 Kf6 49.Nf3 Ra2 50.Kf1 Kf5 51.Ke1 Ke4 52.Nd2+ Kd3 53.Nf1 f3 54.Ng3 Ke3 55.Nf5+ Kf4 56.Nd6 f2+ 57.Kf1 Kf3 58.h4 Ra1# 0-1
2012.11.18 Remco Heite Open 2012
3383929 Jonkman, Fokke (2084) Ypma, P (2150) 1/2-1/2
1.c4 c6 2.Nf3 d5 3.g3 Nf6 4.b3 g6 5.Bb2 Bg7 6.Bg2 O-O 7.O-O Bf5 8.d3 Qc8 9.Nc3 Bh3 10.Qc2 Bxg2 11.Kxg2 Rd8 12.e3 Na6 13.a3 Qf5 14.Nh4 Qh5 15.Ne2 Rac8 16.h3 g5 17.Nf5 Bf8 18.Bxf6 exf6 19.g4 Qg6 20.Neg3 Nc7 21.c5 d4 22.exd4 Ne6 23.Ne2 Ng7 24.Neg3 Ne6 25.Ne2 Ng7 26.Neg3 1/2-1/2
2012.11.18 Remco Heite Open 2012
3383931 Ypma, P (2150) GM Nijboer, F (2527) 0-1
1.d4 f5 2.c4 Nf6 3.Nc3 d6 4.Nf3 g6 5.g3 Bg7 6.Bg2 O-O 7.O-O c6 8.b3 Qa5 9.Qc2 e5 10.dxe5 dxe5 11.e3 e4 12.Nd4 c5 13.Nde2 Nc6 14.a3 Be6 15.Bb2 Bf7 16.Rfd1 Ne5 17.Nd5 Nxd5 18.cxd5 Rad8 19.Nf4 Rd6 20.b4 cxb4 21.axb4 Qd8 22.Rxa7 g5 23.Ne2 Rxd5 24.Rxd5 Qxd5 25.Nd4 Qd7 26.Bf1 Rc8 27.Qa4 Qxa4 28.Rxa4 Nf3+ 29.Kg2 Nxd4 30.Bxd4 Bxd4 31.exd4 Rc2 32.Kg1 Rc1 33.Kg2 Bh5 34.Bb5 Bf3+ 35.Kh3 Rg1 36.Ra7 Bg4# 0-1
2012.08.02 Dutch Open 2012
3431208 Ypma, P (2175) Evengroen, H (1968) 1-0
1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 O-O 5.g3 a5 6.a3 e5 7.Nxe5 Ng4 8.Nxg4 Bxb2 9.Ra2 Bg7 10.b5 d5 11.Ne3 d4 12.Nc2 Re8 13.Bg2 c6 14.a4 Bg4 15.f3 d3 16.Ne3 Bf5 17.Bf1 Nd7 18.Nxf5 gxf5 19.e3 f4 20.Bxd3 Nc5 21.Be2 Qg5 22.gxf4 Qh4+ 23.Kf1 Qh3+ 24.Kf2 Bf6 25.Rg1+ Kh8 26.Rg2 Rg8 27.Bf1 Bh4+ 28.Kg1 Nd3 29.Rg4 Bf2+ 30.Kh1 Qh5 31.Bxd3 f5 32.Bxf5 Qxf5 33.e4 Qe6 34.d3 Be3 35.f5 Qd6 36.Re2 Bf4 37.c5 Qe5 38.d4 Rgd8 39.Rd2 1-0
2012.08.01 Dutch Open 2012
3431192 Van Osch, Mees (2071) Ypma, P (2175) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.c3 Bc5 6.O-O h5 7.b4 Bb6 8.Bb2 c6 9.Be2 d5 10.exd5 cxd5 11.c4 Qh4 12.cxd5 Nf6 13.Re1 Kf8 14.g3 Qg5 15.h4 Qf5 16.Bf3 g5 17.hxg5 Qxg5 18.d3 Nxd5 19.Qd2 Ne3 20.Bxd4 Bxd4 21.Nc3 Qf6 22.Ne4 Qxf3 23.Rxe3 Bxe3 24.fxe3 Rg8 0-1
2012.07.31 Dutch Open 2012
3431178 Ypma, P (2175) Von Meijenfeldt, Bart (2123) 1-0
1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 a6 5.Bxd7+ Bxd7 6.Nc3 Nf6 7.Bg5 h6 8.Bxf6 gxf6 9.dxc5 dxc5 10.Qd5 Qc7 11.O-O-O h5 12.Kb1 e6 13.Qd3 O-O-O 14.Nd2 Bc6 15.Qe2 Bh6 16.h4 Qf4 17.Nb3 Rxd1+ 18.Rxd1 Qxh4 19.Nxc5 Qg5 20.b4 Rd8 21.Rxd8+ Kxd8 22.a4 Ke8 23.g3 Qc1+ 24.Ka2 Qd2 25.Kb3 Qd4 26.f4 Bf8 27.Qc4 Qd6 28.a5 f5 29.exf5 exf5 30.Qe2+ Kd8 31.Qxh5 Qf6 32.Qd1+ Kc8 33.Nd5 Qg6 34.Nb6+ Kc7 35.Na8+ Kc8 36.Nb6+ Kc7 37.Qd3 Bg7 38.Nc4 Qh5 39.Qd6+ Kc8 40.Nb6# 1-0
2012.07.30 Dutch Open 2012
3431159 Vereggen, L (2051) Ypma, P (2175) 1-0
1.e4 e6 2.Nc3 d5 3.d3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6 6.Be3 Nf6 7.Ng3 b6 8.d4 h5 9.Ne5 Bb7 10.Bb5+ c6 11.Bd3 Be7 12.O-O Nbd7 13.Qf3 Qc7 14.Nxd7 Qxd7 15.Ne4 Nxe4 16.Bxe4 g5 17.c4 f5 18.Bc2 O-O-O 19.Rfd1 f4 20.Bd2 c5 21.Be4 cxd4 22.a4 a5 23.b4 axb4 24.a5 g4 25.Qd3 Bc5 26.axb6 Bxb6 27.c5 Bxe4 28.Qxe4 Bxc5 29.Qa8+ Kc7 30.Bxf4+ Kb6 31.Qa6# 1-0
2012.07.28 Dutch Open 2012
3434385 Ellenbroek, T (2047) Ypma, P (2175) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 c5 5.Nf3 Ne4 6.Bd2 Nxd2 7.Qxd2 cxd4 8.Nxd4 Nc6 9.Bg2 Nxd4 10.Qxd4 Qf6 11.Rd1 Qxd4 12.Rxd4 Rb8 13.O-O Bxc3 14.bxc3 b6 15.Rb1 Bb7 16.c5 Bxg2 17.Kxg2 Ke7 18.Rdb4 Ra8 19.cxb6 axb6 20.a4 Rhc8 21.R1b3 Rc5 22.e4 e5 23.f4 f6 24.f5 Rc6 25.Ra3 Kd8 26.Kf3 Kc7 27.Ke3 Rd6 28.Ke2 Kd8 29.Rb2 Ke7 30.Rd2 Ra5 31.c4 Rxd2+ 32.Kxd2 Kd6 33.Kc3 Kc5 34.Ra1 Ra7 35.g4 d6 36.h4 h6 37.Kb3 Ra8 38.Rd1 h5 39.g5 fxg5 40.hxg5 h4 41.Rd5+ Kc6 42.Rd3 Rh8 43.Rh3 Kc5 44.Kc3 Rh5 45.g6 Rh8 46.Kd3 Kb4 47.Ke3 Kxc4 48.Kf3 Kd3 49.Kg4+ Kxe4 50.Kg5 d5 51.f6 gxf6+ 52.Kxf6 d4 53.g7 Rg8 54.Rxh4+ Kd5 55.Rh8 Rxg7 56.Kxg7 e4 57.Kf6 e3 58.Re8 Kc4 59.Kf5 d3 60.Re4+ Kc3 61.Rxe3 Kc2 1/2-1/2
2012.07.27 Dutch Open 2012
3434367 Ypma, P (2175) Vos, T (1958) 1/2-1/2
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.c5 Nc6 6.Nf3 Bg4 7.Be2 Bxf3 8.Bxf3 e5 9.dxe5 Nxe5 10.Qe2 Qe7 11.O-O Nxf3+ 12.Qxf3 Qxc5 13.b4 Qd4 14.Qe2+ Be7 15.Bb2 Qc4 16.Qe5 Qe4 17.Qc7 O-O 18.a3 b6 19.Nc3 Qc2 20.Rab1 d4 21.Rfc1 Qb3 22.Nb5 Nd5 23.Qc6 Rac8 24.Qxc8 Rxc8 25.Rxc8+ Bf8 26.Nxd4 Qa2 27.Rcc1 Nf4 28.Rf1 Nd3 29.Ba1 g6 30.Rb3 Nf4 31.Rf3 Bh6 32.Rd1 Qd5 33.Re1 Kf8 34.Bc3 g5 1/2-1/2
2012.07.26 Dutch Open 2012
3434348 Ypma, P (2175) Vesters, Melchior (1974) 0-1
1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.f4 Qb6 5.Nf3 d5 6.e5 Bg4 7.Be2 e6 8.O-O Ne7 9.a3 Nd7 10.Be3 Nf5 11.Qd2 Nxe3 12.Qxe3 Rc8 13.b4 Qd8 14.h3 Bxf3 15.Rxf3 h5 16.g3 Qe7 17.Kg2 Kd8 18.Na4 Kc7 19.b5 Kb8 20.bxc6 Rxc6 21.Qb3 Rhc8 22.Rb1 Nb6 23.Nc5 Bf8 24.a4 Qc7 25.a5 Bxc5 26.dxc5 Nd7 27.Qa3 Rxc5 28.Rfb3 Rxc2 29.Rxb7+ Qxb7 30.Rxb7+ Kxb7 31.Kf1 Rc1+ 32.Kf2 Nc5 33.Qb2+ Ka8 34.Kg2 Ne4 35.a6 R1c7 36.Qd4 Rc2 37.Qd3 R8c4 38.f5 Rd2 39.Qf3 Rcc2 40.Qa3 Rxe2+ 41.Kf1 Rf2+ 42.Ke1 Rfe2+ 43.Kf1 Nd2+ 44.Kg1 Re1+ 0-1
2012.07.25 Dutch Open 2012
3434329 Maatman, Nick (2123) Ypma, P (2175) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.g3 Qa5+ 5.Nc3 Ne4 6.Qd3 cxd4 7.Nxd4 Bb4 8.Nb3 Qf5 9.Qe3 Nxc3 10.bxc3 Be7 11.Bg2 Nc6 12.O-O O-O 13.a4 Ne5 14.Nd2 Qh5 15.h3 Bc5 16.Qf4 Ng6 17.Qf3 Qxf3 18.Nxf3 b6 19.Rd1 Rb8 20.Ba3 Bxa3 21.Rxa3 Rd8 22.a5 bxa5 23.Rxa5 a6 24.Nd4 Bb7 25.Bxb7 Rxb7 26.Rxa6 Rc7 27.Ra4 Kf8 28.f4 Ke7 29.Nc2 f5 30.Kf2 Nh8 31.e4 fxe4 32.Rd4 Nf7 33.Rxe4 Nd6 34.Rd4 Nf5 35.Rd3 Rdc8 36.Na3 Nd6 37.Rxd6 Kxd6 38.Nb5+ Ke7 39.Nxc7 Rxc7 40.Ke3 Rb7 41.c5 Rb8 42.Ra7 Rc8 43.Kd4 h5 44.g4 hxg4 45.hxg4 Ke8 46.Ra6 Ke7 47.g5 Rf8 48.Ke4 Rc8 49.c6 Rxc6 50.Rxc6 dxc6 51.f5 exf5+ 52.Kxf5 Kf7 53.c4 Ke7 54.Ke5 Kd7 55.Kf5 Ke7 56.Kf4 Kd7 57.Kf5 1/2-1/2
2012.07.24 Dutch Open 2012
3434315 Ypma, P (2175) De Bruijne, Arian (1934) 0-1
1.e4 c5 2.c4 Nc6 3.Nc3 d6 4.g3 Nf6 5.Bg2 g6 6.Nge2 Bg7 7.O-O O-O 8.a3 Ne8 9.Rb1 a5 10.d3 Nc7 11.Be3 Ne6 12.Nb5 Bd7 13.f4 Rc8 14.Qe1 Ncd4 15.Nbxd4 cxd4 16.Bd2 Nc5 17.b4 Nxd3 18.Qd1 axb4 19.axb4 Be6 20.e5 dxe5 21.Bxb7 Rc7 22.Be4 Bxc4 23.Rf3 f5 24.Bxd3 Bxd3 25.Rxd3 e4 26.Ra3 d3 27.Nc1 Rc2 28.Rbb3 Qd4+ 29.Kg2 Rfc8 30.Kh3 Qf2 31.Rxd3 exd3 32.Rxd3 e5 33.fxe5 Bxe5 34.Nb3 g5 35.Qh1 g4+ 36.Kh4 Bf6+ 37.Kh5 Qa7 38.Qd5+ Qf7+ 39.Qxf7+ Kxf7 40.Rd7+ Be7 41.Bg5 Rxh2+ 42.Bh4 Rxh4+ 43.gxh4 g3 44.Rd2 Rg8 45.Rg2 Rg4 46.b5 Rxh4# 0-1
2012.07.14 6th LCT GpA 2012
3444123 Kolodkin, Daniil (1885) Ypma, P (2175) 0-1
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.a3 Bf8 6.f4 Ne7 7.Be3 Ba6 8.Bxa6 Nxa6 9.Qd3 Nb8 10.Nf3 g6 11.O-O-O h5 12.g3 Nf5 13.Bf2 c5 14.h3 c4 15.Qd2 Qd7 16.g4 Ng7 17.Nh4 Be7 18.Bg3 Na6 19.Qg2 Nc7 20.Rdf1 O-O-O 21.Qf2 Rde8 22.Nf3 b5 23.Bh4 a5 24.Bf6 Rhg8 25.Ne2 b4 26.axb4 axb4 27.c3 Qa4 28.Kd2 Qa2 29.Rb1 Nb5 30.Bxe7 Rxe7 31.Rhc1 Na3 32.Ra1 Qxb2+ 33.Ke1 Nc2+ 34.Rxc2 Qxa1+ 0-1
2012.07.13 6th LCT GpA 2012
3444099 Sanders, I (2100) Ypma, P (2175) 1/2-1/2
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Ng3 e6 7.Be2 Bd6 8.c4 O-O 9.O-O b6 10.Qc2 Qc7 11.Rd1 Bb7 12.b3 c5 13.Bb2 cxd4 14.Nxd4 Be5 15.Nb5 Qb8 16.Bxe5 Nxe5 17.Qc3 Ng6 18.Bf3 Nh4 19.Bxb7 Qxb7 20.f3 Rad8 21.Nd6 Qb8 22.Nde4 Nxe4 23.Nxe4 Ng6 24.g3 h5 25.f4 Rxd1+ 26.Rxd1 Rd8 27.Rd3 h4 28.Qd2 Rxd3 29.Qxd3 Qc8 30.Qd4 hxg3 31.hxg3 e5 32.fxe5 Qf5 33.Nf2 1/2-1/2
2012.07.12 6th LCT GpA 2012
3444069 Ypma, P (2175) GM Arun Prasad, S (2518) 0-1
1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 cxd4 5.Qxd4 a6 6.Bxd7+ Bxd7 7.Nc3 Rc8 8.Bg5 h6 9.Bh4 e5 10.Qd3 g5 11.Bg3 Nf6 12.Nd2 b5 13.a3 Qa5 14.h4 Rg8 15.hxg5 hxg5 16.O-O-O Qb6 17.Nd5 Nxd5 18.exd5 f5 19.f3 Rc7 20.Rdf1 Qb7 21.Bf2 g4 22.fxg4 Rxg4 23.Rh8 Bc8 24.Rfh1 Rcg7 25.g3 Qf7 26.Kb1 Rg8 27.R8h7 R8g7 28.Rh8 Rg8 29.R8h7 Bg7 30.Ka1 Bb7 31.c4 Kd7 32.cxb5 Qxd5 33.Qxf5+ Qe6 34.Qxe6+ Kxe6 35.bxa6 Bxh1 36.Rxh1 Rf8 37.a7 Kd7 38.Rc1 Bh6 39.Rc4 Rgg8 40.Ne4 d5 41.Nc5+ Kc6 42.Rb4 d4 43.Na4 Bd2 44.Rb6+ Kc7 45.Ra6 Rxf2 46.a8=Q Rxa8 47.Rxa8 e4 48.Re8 e3 49.Nc5 e2 50.Nd3 Rf1+ 51.Ka2 Be3 52.Rh8 e1=Q 53.Nxe1 Rxe1 54.Kb3 d3 0-1
2012.07.10 6th LCT GpA 2012
3444056 Ypma, P (2175) Van Halderen, H (2062) 1-0
1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bb5 e6 6.Bxc6 bxc6 7.O-O Ne7 8.d3 d5 9.Qe1 O-O 10.Kh1 Rb8 11.Na4 c4 12.e5 cxd3 13.cxd3 d4 14.b3 Re8 15.Ng5 Nd5 16.Ne4 f6 17.Nd6 Rf8 18.Ba3 Ne3 19.Nxc8 Qd5 20.Ne7+ 1-0
2012.07.09 6th LCT GpA 2012
3444040 Blankert, Willem (2030) Ypma, P (2175) 0-1
1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 c6 5.d4 Be7 6.O-O O-O 7.Qc2 Nbd7 8.Nbd2 c5 9.cxd5 Nxd5 10.Ne4 cxd4 11.Nxd4 N7f6 12.Rd1 Qb6 13.Bg5 Rd8 14.Nxf6+ Nxf6 15.Be3 Qa6 16.Nb3 Bd7 17.Qc7 Nd5 18.Bxd5 exd5 19.Rxd5 Bc6 20.Rxd8+ Bxd8 21.Qf4 Qxe2 22.Bxa7 Bg5 23.Qxg5 Qf3 24.Kf1 h6 25.Qe3 Qg2+ 26.Ke2 Re8 27.Qxe8+ Bxe8 28.h4 Qe4+ 29.Be3 Bb5+ 30.Kd1 Qf3+ 31.Kc2 Qe2+ 32.Nd2 Qd3+ 33.Kd1 Bd7 34.a4 Bg4+ 35.Kc1 Bf5 36.Kd1 Qc2+ 37.Ke2 Bd3+ 38.Kf3 Qc6+ 39.Kg4 Qe6+ 40.Kf3 Qd5+ 41.Kg4 Bf5+ 42.Kf4 g5+ 43.hxg5 hxg5+ 44.Kxg5 Bg6+ 45.Kf6 Qe6+ 0-1
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