WORLDBASE

WORLDBASE Players GM Kosten, A

Stockfish
GameID: 0
FIDE Country B-Year Gender Standard Rapid Blitz
400114 ENG 1958 M 2370 2402 0
146 games
2026.04.28 World Senior Teams +65
2255766 GM Kosten, A (2374) GM Petursson, Mar (2387) 1/2-1/2
1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.d3 d6 6.Qd2 e6 7.b3 Nge7 8.Bb2 O-O 9.h4 h6 10.Nh3 f5 11.f4 h5 12.Ng5 d5 13.Na4 Bxb2 14.Qxb2 Qd6 15.O-O d4 16.a3 Rb8 17.b4 b6 18.b5 Na5 19.Rae1 Bd7 20.e3 a6 21.exd4 axb5 22.cxb5 c4 23.Rf3 Nd5 24.Nc3 Nf6 25.Ne2 cxd3 26.Rxd3 Rbc8 27.Nc3 Rfe8 28.Qb4 Qxb4 29.axb4 Nc4 30.Re2 Nd6 31.Bc6 Bxc6 32.bxc6 Rxc6 33.Rde3 Rc4 34.d5 exd5 35.Rxe8+ Ndxe8 36.Nxd5 Nxd5 37.Rxe8+ Kg7 38.Rd8 Nf6 39.Rb8 Rxb4 40.Rb7+ Kg8 41.Rb8+ Kg7 42.Rb7+ Kg8 1/2-1/2
2026.04.27 World Senior Teams +65
2248836 GM Kosten, A (2374) FM Sandner, G (2230) 1-0
1.c4 e5 2.g3 Nf6 3.Bg2 h6 4.Nc3 Bb4 5.e4 Nc6 6.a3 Bxc3 7.bxc3 d6 8.d3 Ne7 9.Ne2 c5 10.h3 Rb8 11.f4 Nc6 12.O-O b6 13.Ra2 Qe7 14.g4 Nh7 15.Ng3 g5 16.Nf5 Qc7 17.fxe5 Bxf5 18.exd6 Qxd6 19.Rxf5 Ne7 20.e5 Qd7 21.Rf1 Nf8 22.Raf2 Rh7 23.Be4 Rg7 24.Rf6 Nfg6 25.d4 cxd4 26.cxd4 Rd8 27.Rd6 Qc7 28.Qa4+ Kf8 29.Qxa7 Qxa7 30.Rxd8# 1-0
2026.04.26 World Senior Teams +65
2248813 GM Kosten, A (2374) IM Binham, T (2208) 1-0
1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 4.c4 e6 5.O-O Be7 6.d3 h6 7.cxd5 exd5 8.Nc3 O-O 9.Qb3 Nc6 10.Qxb7 Nb4 11.Bf4 d4 12.Bxc7 Qd7 13.Ne5 Qe6 14.Nb5 Nc2 15.Nc6 Bc5 16.Rac1 Qxe2 17.b4 a6 18.bxc5 axb5 19.Bd6 Bxd3 20.Bxf8 Rxf8 21.Bf3 Qd2 22.Rfd1 1-0
2026.04.25 World Senior Teams +65
2248781 GM Knaak, R (2401) GM Kosten, A (2374) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.a3 Bxd2+ 6.Qxd2 Bb7 7.e3 O-O 8.Be2 a5 9.b3 d6 10.O-O Nbd7 11.Bb2 c5 12.Rfd1 Qe7 13.Qe1 Rfd8 14.Nd2 cxd4 15.exd4 d5 16.a4 Nf8 17.Nf3 Ng6 18.Ne5 Nxe5 19.dxe5 Ne4 20.cxd5 Bxd5 21.Bf3 Qb7 22.Ba3 Rac8 23.Bxe4 Bxe4 1/2-1/2
2026.04.23 World Senior Teams +65
2248753 GM Kosten, A (2374) GM Bykhovsky, Av (2315) 1/2-1/2
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.d3 c5 7.Ne5 Nbd7 8.Nxd7 Bxd7 9.e4 dxe4 10.dxe4 Bc6 11.Qe2 Nd7 12.f4 e5 13.Nc3 Bf6 14.Nd5 Bxd5 15.cxd5 Re8 16.Be3 b6 17.Rad1 Nf8 18.b3 Qd6 19.f5 h6 20.h4 Nh7 21.Rf2 Rec8 22.Bf1 Be7 23.Qf3 Rc7 24.Rh2 a6 25.a4 Rb7 26.g4 f6 27.Rc2 a5 28.Bb5 Rba7 29.Qe2 Rd8 30.Rcd2 Kf8 31.Bc6 Rb8 32.Qb5 Kf7 33.Kg2 Kf8 34.Kf3 Kf7 35.Ra1 Kf8 36.Rc2 Kf7 37.Qe2 Kg8 38.Bb5 Rc8 39.Rh1 Kf8 40.Rh3 Kg8 41.Qh2 Kf7 42.Rg2 Rg8 43.Ke2 Rc7 44.Rhg3 Rcc8 45.g5 fxg5 46.hxg5 Nxg5 47.Qh5+ Kf8 48.f6 Bxf6 49.Bxg5 hxg5 50.Rxg5 Ke7 51.Rf2 Rcf8 52.Rg6 Kd8 53.Qg4 Ke7 54.Bc6 Rf7 55.Rf5 Rd8 56.Bb5 Rb8 57.Rf3 Kd8 58.Rh3 Kc7 59.Rh7 Rbf8 60.Qh3 Qd8 61.Qg3 Qe7 62.Rh5 Qd6 63.Qh3 Qd8 64.Rf5 Re7 65.Rg3 Kd6 66.Rg1 Qc8 67.Rh1 Ref7 68.Qh5 Re7 69.Qf3 Ref7 70.Qh5 Re7 71.Qg6 Qd8 72.Rhh5 Kc7 73.Rf3 Qc8 74.Rh1 Qd8 75.d6+ Qxd6 76.Rd3 Qe6 77.Rhd1 Bh4 78.Rd7+ Kb8 79.Qxe6 Rxe6 80.Rxg7 Ref6 81.Rdd7 Rf2+ 82.Kd1 Rd8 83.Rxd8+ Bxd8 84.Rg8 Kc7 85.Rg7+ Kb8 86.Rg8 1/2-1/2
2026.04.22 World Senior Teams +65
2248729 FM Buchal, S (2216) GM Kosten, A (2374) 1/2-1/2
1.c4 Nf6 2.g3 e6 3.Bg2 d5 4.Nf3 Nc6 5.O-O dxc4 6.Qa4 Nd7 7.Qxc4 e5 8.b3 Be7 9.Bb2 O-O 10.Rd1 Nb6 11.Qc2 Nd4 12.Qd3 Bf5 13.e4 Bg4 14.Bxd4 Bc5 15.Rc1 Bxd4 16.Nxd4 exd4 17.Na3 c6 18.Nc2 c5 19.h3 Be6 20.f4 f5 21.b4 Bc4 22.Qa3 cxb4 23.Nxb4 fxe4 24.Bxe4 Qe7 25.Re1 Qd7 26.Kh2 h6 27.Nd3 Qa4 28.Qxa4 Nxa4 29.Ne5 Ba6 30.Bd5+ Kh7 31.Be4+ Kg8 32.Bd5+ Kh7 33.Be4+ 1/2-1/2
2026.04.21 World Senior Teams +65
2248709 GM Kosten, A (2374) FM Motuz, K (2233) 1-0
1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 dxc4 5.O-O Nbd7 6.Qc2 Nb6 7.a4 a5 8.Na3 Bxa3 9.Rxa3 O-O 10.d3 cxd3 11.Rxd3 Nbd5 12.b3 Qe7 13.Qb1 e5 14.e4 Nb4 15.Rd2 Bg4 16.Bb2 Bxf3 17.Bxf3 c5 18.Be2 Nc6 19.Bc4 Rad8 20.Re2 Nd4 21.Re3 Nd7 22.Bc3 Ra8 23.f4 Nb6 24.Bd3 f6 25.Rf2 Kh8 26.Kg2 Qe6 27.fxe5 Qxe5 28.Qe1 Qe6 29.Bxa5 Qxb3 30.Bb1 Qe6 31.Ba2 Qc6 32.Bxb6 Qxb6 33.Bd5 Rad8 34.a5 Qb5 35.Qc3 b6 36.Ra2 Nc6 37.Bc4 Qb4 38.a6 b5 39.Bd5 Qxc3 40.Rxc3 Nb4 41.Ra5 Nxd5 42.exd5 Rxd5 43.a7 Ra8 44.Rxb5 Rdd8 45.Rb7 h5 46.Rxc5 Kh7 47.Rxh5+ Kg6 48.Ra5 Kh7 49.h4 Kh6 50.Kh3 Kh7 51.h5 Kh6 52.Rab5 1-0
2026.04.20 World Senior Teams +65
2242626 CM Wengholm, A (2165) GM Kosten, A (2374) 1/2-1/2
1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.O-O Nc6 5.d3 Bd6 6.Nbd2 O-O 7.e4 dxe4 8.dxe4 e5 9.Qe2 b6 10.Nc4 Ba6 11.c3 Na5 12.Nfd2 Qd7 13.Re1 Qe6 14.Bf1 Rfd8 15.b3 Bf8 16.Qf3 Nb7 17.Qf5 Re8 18.Qxe6 Rxe6 19.b4 c5 20.a3 Bb5 21.a4 Bd7 22.b5 a6 23.Bh3 Ree8 24.Bxd7 Nxd7 25.Bb2 Ra7 26.Red1 Na5 27.Nxa5 bxa5 28.Nf1 c4 29.Ne3 Rc8 30.Rd5 Nc5 31.Ba3 axb5 32.axb5 Nxe4 33.Bxf8 Kxf8 34.b6 Rb7 35.Rxe5 Nxc3 36.Raxa5 Rxb6 37.Nxc4 Rbc6 38.Ne3 f6 39.Rh5 h6 1/2-1/2
2025.04.12 TCh-EUR Senior +65 2025
123299 IM Maier, C (2233) GM Kosten, A (2366) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 d5 5.exd5 Nxd5 6.O-O Nb6 7.Bb3 Bg4 8.Re1 Qe7 9.h3 Bh5 10.a4 a5 11.Be3 O-O-O 12.Nbd2 Nd5 13.c3 Nxe3 14.Rxe3 f5 15.Qf1 Qf6 16.Rae1 Bd6 17.Bd5 Ne7 18.Bxb7+ Kxb7 19.d4 e4 20.Qb5+ Kc8 21.Rxe4 fxe4 22.Nxe4 Qf5 23.Ne5 Bxe5 24.Qa6+ Kd7 25.Nc5+ Ke8 26.Rxe5 Qf6 27.Re6 Qg5 28.Qc6+ Kf7 29.Qxc7 Rc8 30.Qd6 Rhd8 31.Nd7 Ke8 0-1
2025.04.11 TCh-EUR Senior +65 2025
123289 Kyas, J (2168) GM Kosten, A (2366) 1/2-1/2
1.e4 e5 2.Bc4 Nf6 3.d3 c6 4.Nf3 d5 5.Bb3 Bd6 6.exd5 Nxd5 7.O-O Bg4 8.h3 Bh5 9.Nbd2 Nd7 10.Ne4 Bc7 11.Ng3 Bg6 12.Bg5 f6 13.Bd2 Nc5 14.Nh4 Nxb3 15.axb3 Qd7 16.Re1 O-O 17.Nxg6 hxg6 18.Ne4 Bb6 19.Nc3 Rad8 20.Nxd5 Qxd5 21.Be3 1/2-1/2
2025.04.10 TCh-EUR Senior +65 2025
123265 GM Kosten, A (2366) Bowmer, Kevin (2126) 1-0
1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.d3 d6 6.Qd2 e5 7.b3 Nge7 8.Bb2 Rb8 9.e3 a6 10.Nge2 b5 11.O-O O-O 12.h3 f5 13.Rad1 Kh8 14.f4 b4 15.Nd5 Nxd5 16.cxd5 Ne7 17.Kh2 a5 18.Rc1 Qb6 19.Ng1 Ba6 20.Rf2 Rfe8 21.e4 Rbc8 22.fxe5 dxe5 23.Nf3 Ng8 24.Ng5 Qf6 25.exf5 gxf5 26.Ne6 Rxe6 27.dxe6 Qxe6 28.Qe3 Ne7 29.Rxc5 Rxc5 30.Qxc5 Bxd3 31.Qxa5 1-0
2025.04.09 TCh-EUR Senior +65 2025
123261 Sobocanec, Alojz (1792) GM Kosten, A (2366) 0-1
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nc3 b6 5.Bg5 h6 6.Bh4 Bb7 7.e3 Bxc3+ 8.bxc3 d6 9.Bd3 Nbd7 10.O-O Qe7 11.Re1 g5 12.Bg3 Ne4 13.Bxe4 Bxe4 14.Nd2 Bb7 15.e4 h5 16.f3 h4 17.Bf2 Nf6 18.h3 Nh5 19.Nf1 Nf4 20.Kh2 Qd7 21.Ne3 O-O-O 22.a4 f5 23.d5 fxe4 24.fxe4 Rhf8 25.Ng4 a5 26.Be3 Rde8 27.Bd4 e5 28.Be3 Qh7 29.Bg1 Nh5 30.Qb3 Ng3 31.Bxb6 cxb6 32.Qxb6 Qc7 33.Qa7 Qc5 34.Qxc5+ dxc5 35.Rab1 Ba6 36.Rb6 Bxc4 37.Rc6+ Kb8 38.Rxc5 Bd3 39.d6 Nxe4 40.Rxe5 Nxd6 41.g3 Rxe5 42.Rxe5 Rf1 43.gxh4 gxh4 44.Kg2 Rc1 45.Kf2 Nf5 46.Kf3 Rf1+ 47.Nf2 Ng3 48.Ke3 Re1+ 49.Kd4 Nf5+ 50.Kd5 Bc4+ 51.Kc6 0-1
2025.04.07 TCh-EUR Senior +65 2025
123229 GM Kosten, A (2366) Woestmann, Hans-Joachim (2029) 1-0
1.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.c4 O-O 6.d3 b6 7.cxd5 Nxd5 8.a3 c5 9.d4 cxd4 10.Nxd4 Bb7 11.e4 Nf6 12.Nc3 Na6 13.Re1 Qd7 14.Bf4 Nc7 15.Bxc7 Qxc7 16.e5 Nd5 17.Nxd5 Bxd5 18.Bxd5 exd5 19.Nf5 Rfd8 20.Qg4 Bf8 21.e6 fxe6 22.Rxe6 Re8 23.Rxe8 Rxe8 24.Rd1 Qc2 25.Rxd5 Qxb2 26.Nh6+ Kh8 27.Nf7+ Kg8 28.Ng5 Qb1+ 29.Rd1 Qg6 30.Qc4+ Kh8 31.Nf7+ Kg8 32.Nh6+ 1-0
2025.04.06 TCh-EUR Senior +65 2025
129232 FM Zyla, J (2181) GM Kosten, A (2366) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bc5 5.O-O Nge7 6.c3 Ng6 7.d4 Ba7 8.Bg5 f6 9.Be3 O-O 10.Nbd2 d6 11.Re1 Kh8 12.Nf1 exd4 13.Nxd4 Nxd4 14.Bxd4 Bxd4 15.Qxd4 Be6 16.Ne3 Qe7 17.Bc2 Qf7 18.b3 Rad8 19.Rad1 Ne7 20.Nd5 Nxd5 21.exd5 Bd7 22.Re3 1/2-1/2
2025.02.26 World Senior Teams +65
161730 GM Kosten, A (2372) FM Schmidt, Bo (2256) 1/2-1/2
1.c4 c6 2.e4 d5 3.exd5 cxd5 4.d4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5 Nxd5 8.Bd3 Nc6 9.O-O O-O 10.Re1 Nxc3 11.bxc3 b6 12.h4 Bb7 13.Ng5 Bxg5 14.Bxg5 Qd7 15.h5 h6 16.Bf4 1/2-1/2
2025.02.25 World Senior Teams +65
161683 GM Kosten, A (2372) IM Baker, CW (2150) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3 d6 6.Bxc6+ bxc6 7.d4 exd4 8.Nxd4 Bd7 9.Qf3 c5 10.Nf5 g6 11.Nh6 Bxh6 12.Bxh6 Ng4 13.Bf4 g5 14.Bg3 Be6 15.O-O-O Qf6 16.Qxf6 Nxf6 17.e5 Nh5 18.exd6 Nxg3 19.hxg3 cxd6 20.Rxd6 Ke7 21.Rb6 c4 22.Ne4 h6 23.Re1 Rhb8 24.Rxb8 Rxb8 25.Nc5 Rb6 26.Nxe6 fxe6 27.g4 Kd6 28.Rh1 Ke5 29.Rxh6 Kf4 30.Rh3 Kxg4 31.Rc3 Rb4 32.a3 Ra4 33.Kd2 Kf4 34.Rf3+ Ke4 35.Kc3 e5 36.Rf6 g4 37.g3 a5 38.Rf7 1-0
2025.02.24 World Senior Teams +65
161636 IM Sharif, Me (2318) GM Kosten, A (2372) 1/2-1/2
1.Nf3 Nf6 2.g3 e6 3.Bg2 d5 4.O-O Bd6 5.d4 O-O 6.c4 Nc6 7.b3 dxc4 8.bxc4 e5 9.c5 Be7 10.dxe5 Qxd1 11.Rxd1 Ne4 12.Ba3 Bxc5 13.Bxc5 Nxc5 14.Nc3 Be6 15.Ng5 Nxe5 16.f4 Ng4 17.Nce4 Nxe4 18.Bxe4 h6 19.Nxe6 fxe6 20.Bxb7 Rad8 21.Rac1 Rxd1+ 22.Rxd1 e5 23.Bd5+ Kh8 24.Bf3 Ne3 25.Rc1 exf4 26.Rxc7 fxg3 27.hxg3 a6 28.Rc6 Rf6 29.Rxf6 gxf6 30.Kf2 Nd1+ 31.Ke1 Nc3 32.a3 f5 33.Bc6 Kg7 34.a4 Kf6 35.a5 Ne4 36.Bb5 Nc5 37.Bc4 1/2-1/2
2025.02.23 World Senior Teams +65
170586 IM Maryasin, B (2218) GM Kosten, A (2372) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.O-O Ng6 5.d4 exd4 6.Nxd4 Bc5 7.Nf5 O-O 8.Nc3 d6 9.Qh5 Nd4 10.Bd3 c6 11.Na4 Ne6 12.Nxc5 Nxc5 13.Rd1 Bxf5 14.Qxf5 Nxd3 15.Rxd3 Re8 16.Bf4 Nxf4 17.Qxf4 Qe7 18.f3 Rad8 19.Rad1 d5 20.exd5 Qc5+ 21.Qd4 Rxd5 22.Qxc5 Rxc5 23.Re3 Kf8 1/2-1/2
2025.02.21 World Senior Teams +65
170539 GM Kosten, A (2372) GM Meister, Jak (2418) 1/2-1/2
1.c4 c6 2.e4 d5 3.exd5 cxd5 4.d4 Nf6 5.Nc3 Nc6 6.Nf3 Bg4 7.cxd5 Nxd5 8.Qb3 Bxf3 9.gxf3 e6 10.Qxb7 Nxd4 11.Bb5+ Nxb5 12.Qc6+ Ke7 13.Qc5+ Ke8 14.Qc6+ Ke7 15.Qc5+ 1/2-1/2
2025.02.20 World Senior Teams +65
170492 FM Ceschia, I (2205) GM Kosten, A (2372) 1/2-1/2
1.d4 Nf6 2.Bg5 Ne4 3.Bf4 d5 4.e3 Nc6 5.Nd2 g5 6.Bg3 Nxg3 7.hxg3 e5 8.dxe5 Nxe5 9.Ngf3 Bg7 10.Nxe5 Bxe5 11.c3 c6 12.Qc2 h6 13.Nf3 Bg7 14.Nd4 Qd6 15.Bd3 Bd7 16.Nf5 Bxf5 17.Bxf5 a5 18.Rd1 h5 19.O-O h4 20.gxh4 Rxh4 21.g3 Rh8 22.Kg2 Rd8 23.e4 d4 24.cxd4 Bxd4 25.e5 Qd5+ 26.Be4 Qxa2 27.Bxc6+ bxc6 28.Qxc6+ Kf8 29.Rxd4 Rxd4 30.Qc5+ Kg7 31.Qxd4 Qe6 32.g4 Rb8 33.f3 Rb4 34.Qc3 Qb3 35.e6+ Qxc3 36.bxc3 Rb2+ 37.Kg3 fxe6 38.Ra1 Rb5 39.Kf2 Re5 1/2-1/2
2025.02.19 World Senior Teams +65
170445 GM Kosten, A (2372) Wahlbom, M (2109) 1/2-1/2
1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 O-O 5.e4 d6 6.Nge2 c5 7.O-O Nc6 8.d3 a6 9.h3 Rb8 10.a4 Ne8 11.Be3 Nc7 12.d4 cxd4 13.Nxd4 Ne6 14.Nde2 Bd7 15.Rb1 Na5 16.b3 b5 17.cxb5 axb5 18.b4 Nc4 19.a5 Nxe3 20.fxe3 Nc7 21.Nd5 Nxd5 22.exd5 Bh6 23.Qd3 e5 24.e4 Qc7 25.Rb3 Rfc8 26.Rc3 Qa7+ 27.Kh2 Rxc3 28.Nxc3 Rc8 29.Qf3 Be8 30.Rb1 Bd2 31.Rb3 Qd4 32.Na2 Rc2 33.Ra3 Qa1 34.Qf6 Rxa2 35.Rxa2 Qxa2 36.Qe7 Bxb4 37.Qxe8+ Kg7 38.Qxb5 Bxa5 39.Qa6 Qa3 40.h4 h5 41.Qf1 Bb6 42.Qf3 Qxf3 1/2-1/2
2025.02.17 World Senior Teams +65
177760 CM Soderberg, P (2065) GM Kosten, A (2372) 0-1
1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 d5 5.Qc2 h6 6.Be2 Bd6 7.O-O O-O 8.Nbd2 Re8 9.Re1 Ne7 10.Nf1 Ng6 11.Ng3 c6 12.a4 a5 13.h3 Be6 14.Bf1 Qd7 15.Bd2 Bc7 16.Rad1 Bb6 17.Be3 Bxe3 18.fxe3 dxe4 19.dxe4 Qc7 20.c4 Qb6 21.Rd3 Nd7 22.Rc3 Nc5 23.Kh2 Rad8 24.h4 Bc8 25.h5 Nf8 26.Nh4 Nh7 27.Be2 Rd6 28.Nhf5 Bxf5 29.Nxf5 Qd8 30.Rd1 Rxd1 31.Bxd1 Nxe4 32.Qxe4 Qxd1 33.Qh4 e4 34.c5 Re5 35.Ng3 Nf6 36.Rc4 Ng4+ 37.Kh3 Rg5 38.Rd4 Qg1 39.Qxg4 Rxg4 40.Kxg4 Qxe3 41.Rxe4 f5+ 0-1
2024.07.11 World Senior Teams +65
473491 FM Hentunen, A (2207) GM Kosten, A (2360) 0-1
1.c4 Nf6 2.g3 e6 3.Bg2 d5 4.d4 dxc4 5.Qa4+ Bd7 6.Qxc4 c5 7.dxc5 Bc6 8.Nf3 Nbd7 9.O-O Bxc5 10.Nc3 Rc8 11.Qb3 O-O 12.Bf4 Qe7 13.Na4 Bd5 14.Qd1 Bb4 15.a3 Ba5 16.b4 Bc7 17.Be3 b6 18.Rc1 Ne5 19.Nxe5 Bxe5 20.Bxd5 Nxd5 21.Rxc8 Rxc8 22.Bd4 Qf6 23.Bxe5 Qxe5 24.Qd3 g6 25.Rd1 h5 26.h4 Qc7 27.Rd2 Qc6 28.Nb2 Qc1+ 29.Nd1 Rc3 30.Qd4 Rxa3 31.Kg2 Nf6 32.f3 Kg7 33.Nf2 e5 34.Qd8 Qc4 35.Qe7 Qe6 36.Qxe6 fxe6 37.e4 Kf7 38.Nd3 Nd7 39.Kf2 Ke7 40.Ke2 a5 41.bxa5 bxa5 42.Nb2 Nb6 43.Nd3 Nd7 44.Nb2 Rb3 45.Nc4 a4 46.Ra2 Rb4 47.Rc2 Kf6 48.Ne3 a3 49.Kd2 Rb3 50.Rc7 a2 51.Ra7 Rb2+ 52.Nc2 Nc5 53.Ra3 Rb3 54.Ra8 Ke7 55.Ra7+ Kd6 56.Ne3 Rb2+ 57.Kc3 Re2 58.Nc4+ Kc6 59.Nxe5+ Kb6 60.Ra3 Re3+ 61.Kb2 Rxa3 62.Nc4+ Kb5 63.Nxa3+ Kb4 64.Kxa2 Kc3 65.Nb5+ Kd3 66.Nd6 Ke3 67.Nf7 Kxf3 68.Ne5+ Kxg3 69.Nxg6 Nxe4 70.Kb3 Nd2+ 71.Kc2 Nf3 72.Kd3 Nxh4 73.Nf8 e5 74.Ke4 Nf3 75.Ng6 Kg4 76.Ke3 h4 77.Kf2 h3 78.Ne7 Nh4 79.Kg1 Kg3 80.Nd5 Nf3+ 81.Kh1 Ng5 82.Ne3 e4 83.Kg1 Kf3 84.Nf5 e3 85.Nd4+ Ke4 86.Ne2 Kd3 87.Kf1 Kd2 88.Ng3 Ne6 89.Ne4+ Kd3 90.Ng3 Nf4 91.Ke1 Nd5 92.Nf1 Nf6 93.Nh2 Ne4 94.Nf3 Nd6 95.Nh2 Nf5 96.Ng4 Nd4 97.Ne5+ Ke4 98.Ng4 Kf3 99.Nh2+ Kg2 100.Ng4 e2 101.Ne3+ Kf3 0-1
2024.07.10 World Senior Teams +65
473427 GM Kosten, A (2360) FM Stebbings, A (2226) 1-0
1.c4 c5 2.Nf3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc6 6.Nc3 Nc7 7.O-O e5 8.b3 Be7 9.Bb2 O-O 10.Ne1 Bd7 11.Nd3 f6 12.f4 exf4 13.Nxf4 Bd6 14.e3 Bxf4 15.Rxf4 Be6 16.Rc1 Qd7 17.Rf2 Rad8 18.Ne4 b6 19.Qh5 Nd5 20.a3 Nce7 21.Qe2 a5 22.Rcf1 Rc8 23.Qd3 Rcd8 24.Qc2 Rc8 25.h3 Qc7 26.g4 h6 27.Qd1 Qd7 28.Ng3 Qb5 29.Nh5 Rf7 30.Be4 a4 31.Qb1 Qxb3 32.Bc2 Qb5 33.e4 Nc7 34.e5 Ncd5 35.Bh7+ Kf8 36.Nxg7 Rxg7 37.exf6 Rf7 38.fxe7+ Ke8 39.Bg6 1-0
2024.07.09 World Senior Teams +65
473367 IM Messa, R (2262) GM Kosten, A (2360) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.g3 d5 6.Bg2 dxc4 7.Qc2 Nc6 8.Qxc4 Qd5 9.Qxd5 exd5 10.a3 Bxd2+ 11.Nbxd2 Ne7 12.Rc1 c6 13.Ne5 Nf5 14.e3 Nd6 15.f3 a4 16.Kf2 h5 17.h3 Ra6 18.Nd3 O-O 19.g4 Re8 20.Rhe1 1/2-1/2
2024.07.07 World Senior Teams +65
482171 GM Kosten, A (2360) IM Mikhalevski, A (2393) 1/2-1/2
1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3 Nbd7 9.Nc3 c5 10.Qe2 Rc8 11.Rfd1 Qc7 12.Rac1 Qb8 13.cxd5 Nxd5 14.Nxd5 Bxd5 15.e4 Bb7 16.d4 Bf6 17.Ba3 Be7 18.Ne1 Rfe8 19.dxc5 Nxc5 20.e5 Bxg2 21.Nxg2 Qb7 22.h4 b5 23.Ne3 a6 24.Rc2 Bf8 25.Qg4 a5 26.Rdc1 b4 27.Bb2 a4 28.bxa4 Nxa4 29.Ba1 Rxc2 30.Rxc2 Rc8 31.Rxc8 Qxc8 32.Qc4 Qb7 33.Qc2 Qd7 34.Qd1 Qc6 35.Qc2 Qd7 36.Qd1 Qc6 37.Bd4 h6 38.Qc2 Qd7 39.Qc4 Qb7 40.Kf1 Qe4 41.Ke2 h5 42.Qd3 Qc6 43.Qc4 Qe4 44.Qd3 Qc6 1/2-1/2
2024.07.06 World Senior Teams +65
482107 IM Roos, Dan (2311) GM Kosten, A (2360) 1/2-1/2
1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.O-O Bd6 5.d3 O-O 6.Nc3 Nc6 7.Nd2 d4 8.Nce4 Nxe4 9.Nxe4 Be7 10.c3 e5 11.cxd4 exd4 12.Nd2 a5 13.Nc4 Nb4 14.Bd2 a4 15.a3 Nd5 16.Rc1 Be6 17.Qc2 c6 18.e4 dxe3 19.fxe3 Bf6 20.d4 Re8 21.Qd3 Nc7 22.Bb4 Nd5 23.Bd2 Nc7 24.Bb4 Nd5 1/2-1/2
2024.07.05 World Senior Teams +65
482043 GM Kosten, A (2360) GM Plachetka, J (2289) 1-0
1.c4 c5 2.g3 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.Nf3 e6 6.h4 h6 7.d4 cxd4 8.Nb5 d5 9.cxd5 exd5 10.O-O Nge7 11.Nbxd4 O-O 12.Be3 Nf5 13.Nxf5 Bxf5 14.Qd2 Kh7 15.Rfd1 Be4 16.Rac1 Re8 17.b4 a6 18.a3 Qf6 19.Bd4 Nxd4 20.Nxd4 Bxg2 21.Kxg2 Rac8 22.Rxc8 Rxc8 23.e3 Qe7 24.Nf3 Rd8 25.Qd3 Bf6 26.Kg1 Qe4 27.Nd4 Kg8 28.Ne2 g5 29.hxg5 hxg5 30.Qxe4 dxe4 31.Rxd8+ Bxd8 32.g4 b5 33.Nc3 Bf6 34.Nxe4 Bb2 35.Nc5 Bxa3 36.Nxa6 Kg7 37.Nc7 Bxb4 38.Nxb5 Kf6 39.Nd4 Bc3 40.Nf5 Ke5 41.Kf1 Ke6 42.Ke2 Ba5 43.Kd3 Be1 44.f3 Bb4 45.Ke4 Ba3 46.Nd4+ Kf6 47.Kd5 Bc1 48.e4 Bb2 49.Nc6 Bc1 50.Kd6 Ba3+ 51.Kd7 Kg6 52.Ke8 f6 53.Kd7 Bb2 54.Ke6 Bc3 55.Ne7+ Kg7 56.Kf5 Bb2 57.Nc6 Bc1 58.Nb8 Bb2 59.Nd7 Bc1 60.Nxf6 1-0
2024.07.04 World Senior Teams +65
481979 FM Raupp, T (2237) GM Kosten, A (2360) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 c5 5.d5 O-O 6.e4 d6 7.Ne2 a6 8.a4 Ba5 9.Ng3 b5 10.Kf2 Nbd7 11.Bf4 Ne5 12.axb5 exd5 13.exd5 Re8 14.Be2 Bb7 15.Qc2 Bxc3 16.Qxc3 axb5 17.b3 Ng6 18.Rxa8 Bxa8 19.Bd2 b4 20.Qb2 Qb6 21.Nf5 Ne5 22.Ra1 Bb7 23.Qa2 Bc8 24.Ne3 Qd8 25.Qa7 h6 26.Qa5 Qe7 27.Re1 Bd7 28.Kg1 Qf8 29.Ra1 Qe7 30.Re1 Qf8 31.Ra1 1/2-1/2
2024.07.03 World Senior Teams +65
481915 GM Kosten, A (2360) FM Miltner, A (2259) 1-0
1.Nf3 d6 2.d4 Nf6 3.Nc3 Nbd7 4.e4 e5 5.Bc4 Be7 6.O-O O-O 7.Re1 c6 8.a4 a5 9.h3 exd4 10.Nxd4 Nc5 11.Bf4 Ne8 12.Qd2 Be6 13.Nxe6 fxe6 14.Rad1 d5 15.exd5 exd5 16.Qe3 Nd6 17.Bxd5+ cxd5 18.Qxc5 Nf5 19.Qxd5+ Qxd5 20.Nxd5 Bc5 21.Nc7 1-0
2024.07.02 World Senior Teams +65
481852 Holst, Per (2073) GM Kosten, A (2360) 0-1
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Bxd2+ 6.Qxd2 Nc6 7.Bg2 Ne4 8.Qc2 Qb4+ 9.Kf1 d5 10.e3 O-O 11.Nbd2 f5 12.a3 Qe7 13.b4 a6 14.Ke2 Bd7 15.Rhb1 Be8 16.b5 Na5 17.a4 Nxc4 18.Nxc4 dxc4 19.Ne5 axb5 20.axb5 Rxa1 21.Rxa1 Nd6 22.Rb1 Nxb5 23.Nxc4 c6 24.Rb3 Bh5+ 25.Ke1 Ra8 26.Qb1 Qd8 27.Ne5 Nxd4 0-1
2024.05.15 TCh-EUR Senior +65 2024
544986 IM Vujakovic, B (2232) GM Kosten, A (2366) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.Nc3 Ng6 5.h4 h5 6.d4 Nxd4 7.Nxd4 exd4 8.Qxd4 c6 9.Be2 Qb6 10.Qxb6 axb6 11.b3 b5 12.Bb2 Bc5 13.a4 bxa4 14.Rxa4 Rxa4 15.Nxa4 Bb4+ 16.Bc3 Bxc3+ 17.Nxc3 Nf4 18.g3 Nxe2 19.Kxe2 d6 20.Ra1 Kd8 21.Ra5 f6 22.Kd3 Kc7 23.Ne2 Be6 24.Nd4 Bf7 25.f4 Re8 26.Nf5 g6 27.Ne3 Kb6 28.Ra1 d5 29.exd5 Bxd5 30.Re1 Rd8 31.Kc3 Be6 32.Nf1 Bf5 33.Re7 Rd1 34.Ne3 Rg1 35.Nxf5 gxf5 36.Rg7 Kc5 37.Kd3 b5 38.Kc3 b4+ 39.Kd3 Kd5 40.Rg8 Rd1+ 41.Ke2 Rc1 42.Kd2 Rg1 43.Kd3 Rd1+ 44.Ke2 Rc1 45.Kd2 Rg1 1/2-1/2
2024.05.14 TCh-EUR Senior +65 2024
544953 IM Hardicsay, P (2175) GM Kosten, A (2366) 0-1
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 O-O 5.a3 Be7 6.e4 d6 7.Qc2 Nfd7 8.Be2 e5 9.O-O a5 10.d5 Nc5 11.Nb3 Nxb3 12.Qxb3 a4 13.Qd1 f5 14.exf5 Bxf5 15.Be3 Nd7 16.Ne1 Bg5 17.Qd2 Bxe3 18.Qxe3 Nc5 19.Rc1 Qf6 20.Rc3 Ra6 21.Nd3 Bxd3 22.Bxd3 Rb6 23.Qd2 Qf4 24.Qc2 e4 25.Be2 g6 26.g3 Qe5 27.Kg2 Qd4 28.h3 Rb3 29.f4 exf3+ 30.Bxf3 Rxc3 31.Qxc3 Qxc3 32.bxc3 Re8 33.Kf2 Nd3+ 34.Kg1 Re3 35.Bd1 Ne5 36.Bxa4 Rxg3+ 37.Kh2 Rxc3 0-1
2024.05.13 TCh-EUR Senior +65 2024
553353 IM Binham, T (2283) GM Kosten, A (2366) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.d4 exd4 7.Nxd4 b5 8.Nxc6 Bxc6 9.Bb3 Nf6 10.Nc3 Be7 11.Qd3 O-O 12.Bf4 b4 13.Nd5 Bb5 14.Bc4 Nxd5 15.exd5 Bf6 16.c3 bxc3 17.bxc3 Qd7 18.Rab1 Rfb8 19.h3 h6 20.Rfe1 Bxc4 21.Qxc4 Rb5 1/2-1/2
2024.05.12 TCh-EUR Senior +65 2024
553321 IM Roos, Louis1 (2278) GM Kosten, A (2366) 1-0
1.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 d5 6.e3 O-O 7.Nc3 Qe7 8.Rc1 dxc4 9.Bxc4 Rd8 10.O-O c5 11.Rfd1 Nc6 12.Qe2 Bd7 13.a3 cxd4 14.exd4 Be8 15.h3 Rac8 16.Ba2 h6 17.Qe3 Qd6 18.d5 exd5 19.Bxd5 Nxd5 20.Nxd5 Qe6 21.Qxe6 fxe6 22.Ne3 Kf8 23.b4 Rxd1+ 24.Rxd1 a5 25.b5 Nb8 26.a4 Nd7 27.Nd4 Kf7 28.Nb3 b6 29.Nd2 Ke7 30.Ndc4 Rc5 31.Rd4 g5 32.h4 e5 33.Rd6 gxh4 34.Rxh6 Bf7 35.Rxh4 Be6 36.f3 Rc8 37.Kh2 Bxc4 38.Nxc4 Ke6 39.Rh6+ Kd5 40.Ne3+ Kc5 41.Rh4 Kd6 42.Kg3 Rc3 43.Rh6+ Kc5 44.Rc6+ Kd4 45.Nf5+ Kd3 46.Rd6+ Kc2 47.Rxd7 Kb3 48.Rd6 Kxa4 49.Rxb6 Kb3 50.Rc6 1-0
2024.05.11 TCh-EUR Senior +65 2024
553289 GM Kosten, A (2366) GM Mihalcisin, A (2441) 1/2-1/2
1.c4 e5 2.g3 Nf6 3.Bg2 d5 4.cxd5 Nxd5 5.Nf3 Nc6 6.O-O Nb6 7.b3 Be7 8.Bb2 f6 9.Nc3 Be6 10.Qc1 Qd7 11.Rd1 O-O 12.d4 Nxd4 13.Nxd4 exd4 14.Ne4 Rad8 15.Nc5 Bxc5 16.Qxc5 Qc8 17.Rxd4 Rxd4 18.Bxd4 Rd8 19.Rc1 c6 20.e3 Bh3 21.Be4 Qe6 22.Qc2 f5 23.Bf3 Rd7 24.Rd1 Bg4 25.Bxg4 fxg4 26.Bxb6 axb6 27.Rxd7 Qxd7 28.Qc4+ Kh8 29.e4 Qd1+ 30.Kg2 Qf3+ 31.Kg1 Qd1+ 32.Kg2 1/2-1/2
2024.05.10 TCh-EUR Senior +65 2024
553258 GM Plachetka, J (2284) GM Kosten, A (2366) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 d5 6.e3 O-O 7.Nc3 Qe7 8.Rc1 Rd8 9.cxd5 exd5 10.Qc2 Nc6 11.a3 Bg4 12.Be2 Bxf3 13.gxf3 a6 14.Rg1 1/2-1/2
2024.05.09 TCh-EUR Senior +65 2024
553230 GM Kosten, A (2366) FM Werner, Cle (2204) 1-0
1.c4 e5 2.g3 c6 3.Nf3 e4 4.Nd4 d5 5.cxd5 Qxd5 6.e3 Bc5 7.Nc3 Qe5 8.d3 Nf6 9.dxe4 Nxe4 10.Bg2 Nxc3 11.bxc3 O-O 12.O-O Na6 13.a4 Nc7 14.Qc2 Qh5 15.Rb1 Nd5 16.Nb3 Be7 17.e4 Nf6 18.f3 Be6 19.Be3 Bxb3 20.Qxb3 Bc5 21.Bd4 b6 22.Qc4 Nd7 23.f4 Rac8 24.e5 Qf5 25.Rbd1 Rfe8 26.Rf2 Bf8 27.Qf1 Rc7 28.Re2 Qh5 29.Bf3 Qh6 30.Qg2 Nc5 31.f5 Nxa4 32.e6 Rec8 33.exf7+ Rxf7 34.Re6 Qg5 35.Rxc6 Rd8 36.Bd5 Qxf5 37.Be6 Qh5 38.Rf1 Rd7 39.g4 Qb5 40.Rxf7 Rxf7 41.Bxf7+ Kxf7 42.Qa2+ Ke8 1-0
2024.05.08 TCh-EUR Senior +65 2024
553194 IM Glienke, Ma (2186) GM Kosten, A (2366) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Bd3 d5 7.Nc3 Bb4 8.exd5 cxd5 9.O-O O-O 10.h3 Rb8 11.Bg5 Be7 12.Rb1 Be6 13.Qf3 h6 14.Bh4 Rb4 15.Bg3 Bd6 16.a3 Rb8 17.Rfd1 Bxg3 18.Qxg3 Nh5 19.Qe5 Qg5 20.Qxg5 hxg5 21.b4 Nf4 22.Ne2 Nxe2+ 1/2-1/2
2023.09.28 World Senior Teams +65
800040 Erismann, P (2037) GM Kosten, A (2352) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bg4 6.h3 Bh5 7.g4 Bg6 8.Nxe5 Bd6 9.Nxg6 hxg6 10.Qf3 f5 11.e5 Bc5 12.Kg2 Qd7 13.c3 fxg4 14.Qxg4 Qd3 15.f4 Ne7 16.Qf3 O-O-O 17.Qxd3 Rxd3 18.Rf3 Rhd8 19.b4 Ba7 20.Na3 Nf5 21.Rxd3 Rxd3 22.Nc4 Rg3+ 23.Kf1 Rxh3 24.Ke2 Ng3+ 25.Kf3 Nh5+ 26.Ke4 c5 27.Ne3 cxb4 28.cxb4 Rh4 29.Nd5 Nxf4 30.Nxf4 g5 31.Kf5 gxf4 32.d3 Bd4 33.Rb1 Rh1 34.Kxf4 Re1 0-1
2023.09.27 World Senior Teams +65
799988 GM Westerinen, H (2237) GM Kosten, A (2352) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.O-O Ng6 5.d4 exd4 6.Nxd4 Bc5 7.Nf5 O-O 8.Be3 Bxe3 9.Nxe3 d6 10.Nc3 Nce7 11.f4 c6 12.Be2 Qb6 13.Qd3 d5 14.Nd1 dxe4 15.Qxe4 Bf5 16.Qc4 Be6 17.Qe4 Rad8 18.c3 Rd2 19.Rf2 Nf5 20.Bf1 Rxf2 21.Kxf2 Rd8 22.Be2 Nxe3 23.Nxe3 Bd5 24.Qb4 Qxb4 25.cxb4 Nxf4 26.Rd1 Nxe2 27.Kxe2 Re8 28.a3 f5 29.Kf2 Be6 30.g3 Kf7 31.h4 Re7 32.Kf3 Rd7 33.Rxd7+ Bxd7 34.Nc4 Ke6 35.Kf4 h6 36.h5 Be8 37.a4 Bxh5 38.Na5 g5+ 39.Ke3 Kd5 40.Nxb7 Bg6 41.Nc5 Kc4 42.Na6 h5 43.Nb8 Be8 44.Na6 Bf7 45.Kf2 Kb3 46.b5 cxb5 47.axb5 Kxb2 48.Nc5 Ka3 49.Nd7 Kb4 50.Ne5 Be6 51.Nf3 Bd7 52.Nxg5 Bxb5 53.Ke3 Kc3 54.Kf4 a5 55.Kxf5 Bd3+ 0-1
2023.09.26 World Senior Teams +65
799938 IM Birnboim, N (2346) GM Kosten, A (2352) 0-1
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 b6 5.e4 c5 6.a3 Bxc3+ 7.bxc3 d6 8.Bd3 Nc6 9.Nf3 e5 10.d5 Ne7 11.Nh4 h6 12.g3 g5 13.Ng2 Bh3 14.f3 Qc7 15.Bf1 Nh5 16.Ne3 Bd7 17.Be2 O-O-O 18.Nf5 Nxf5 19.exf5 Rde8 20.Kf2 Nf6 21.h4 e4 22.g4 gxh4 23.Rxh4 Qd8 24.Rh1 h5 25.g5 Bxf5 26.Qa4 exf3 27.Bxf3 Ne4+ 28.Bxe4 Bxe4 29.Qxa7 Bxh1 30.Qa8+ Kd7 31.Qc6+ Ke7 32.Bf4 Be4 33.Re1 Kf8 34.Bxd6+ Kg8 35.Bc7 Qc8 0-1
2023.09.24 World Senior Teams +65
808210 GM Kosten, A (2352) IM Roos, Louis1 (2253) 1-0
1.c4 Nf6 2.g3 e5 3.Bg2 h6 4.Nc3 Bb4 5.e4 Bxc3 6.bxc3 d6 7.Ne2 O-O 8.O-O Nc6 9.h3 a6 10.a4 Bd7 11.d3 Na5 12.f4 Qe7 13.c5 Rfd8 14.cxd6 cxd6 15.Ba3 Qe6 16.c4 b5 17.axb5 axb5 18.cxb5 Bxb5 19.Nc3 Bc6 20.Bb4 Nb7 21.Qd2 d5 22.Rxa8 Rxa8 23.fxe5 Qxe5 24.Qf2 dxe4 25.dxe4 Nd8 26.Kh2 Ne6 27.Nd5 Bb7 28.Bc3 Nxe4 29.Qxf7+ 1-0
2023.09.23 World Senior Teams +65
808159 FM Goormachtigh, J (2183) GM Kosten, A (2352) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.g3 b6 6.Bg2 Bb7 7.O-O O-O 8.Bf4 Be7 9.Nc3 Ne4 10.Qc2 Nxc3 11.Qxc3 d6 12.Rfd1 Nd7 13.Ne1 Bxg2 14.Kxg2 Bf6 15.Nf3 Re8 16.e4 e5 17.dxe5 Nxe5 18.Bxe5 Bxe5 19.Nxe5 Rxe5 20.f3 1/2-1/2
2023.09.22 World Senior Teams +65
808103 GM Kosten, A (2352) GM Meister, Jak (2439) 1/2-1/2
1.c4 e5 2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Bb4 5.e4 d6 6.Nge2 Bc5 7.h3 h5 8.d3 h4 9.g4 Nh7 10.a3 a6 11.f4 Nd4 12.Nxd4 Bxd4 13.Ne2 c5 14.Nxd4 cxd4 15.O-O g5 16.f5 Nf8 17.b4 Nd7 18.Bd2 f6 19.Qb3 b6 20.Rfc1 Rb8 21.Rab1 Qe7 22.a4 Kf8 23.Qa3 Kg7 24.a5 bxa5 25.Qxa5 Bb7 26.Bf3 Rhc8 27.Bd1 Qd8 28.Qa3 Ra8 29.Ba4 Bc6 30.Bxc6 Rxc6 31.Ra1 Rcc8 32.Rc2 Qc7 33.Rca2 Qb7 34.Qb3 a5 35.Rxa5 Rxa5 36.Rxa5 Ra8 37.Qa3 Rxa5 38.Qxa5 Kf7 39.Qd8 Qa7 40.Kf2 Nf8 41.Qxd6 Qa1 42.b5 Qd1 43.Qd5+ Kg7 44.Bxg5 Qxd3 45.Bxf6+ Kxf6 46.g5+ Kg7 47.Qxe5+ Kg8 48.Qd5+ Kh8 49.Qe5+ 1/2-1/2
2023.09.21 World Senior Teams +65
808055 GM Plachetka, J (2289) GM Kosten, A (2352) 1/2-1/2
1.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Bd2 a5 5.g3 d6 6.Bg2 Nbd7 7.Nc3 O-O 8.a3 Bxc3 9.Bxc3 Ne4 10.Qc2 f5 11.O-O 1/2-1/2
2023.09.20 World Senior Teams +65
808003 GM Kosten, A (2352) FM Xheladini, M (2149) 1-0
1.c4 e5 2.g3 d5 3.cxd5 Qxd5 4.Nf3 Nc6 5.Nc3 Qa5 6.Bg2 Nf6 7.d3 h6 8.O-O Be6 9.a3 Qc5 10.Be3 Qd6 11.Rc1 Nd5 12.Ne4 Qd8 13.Nc5 Bc8 14.Qb3 Bxc5 15.Bxc5 Nde7 16.Rfd1 O-O 17.d4 Be6 18.Qxb7 Rb8 19.Bxe7 Nxe7 20.Qxc7 Rxb2 21.dxe5 Qxc7 22.Rxc7 Nd5 23.Rc5 Nb6 24.Bf1 Nc4 25.Nd4 Rd8 26.e3 Nd2 27.Be2 Ne4 28.Rcc1 Bh3 29.f3 Nc3 30.Rxc3 Rxe2 31.Rdc1 Rg2+ 32.Kh1 Rb8 33.Rc8+ Rxc8 34.Rxc8+ Kh7 35.Rc2 Rxc2 36.Nxc2 Bd7 37.Nd4 Kg8 38.Kg2 Kf8 39.e4 Ke7 40.Kf2 Kd8 41.Nf5 Kc7 42.Nxg7 Kb6 43.f4 Ka5 44.f5 Ka4 45.e6 Bxe6 46.fxe6 fxe6 47.Nxe6 Kxa3 48.e5 1-0
2023.07.20 TCh-EUR Senior +65 2023
887998 FM Bachmann, An (2189) GM Kosten, A (2358) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Qc2 c5 8.Nf3 b6 9.Ne5 Nd5 10.Nc3 Nxe5 11.Nxd5 exd5 12.dxe5 Be6 13.O-O Be7 14.Bf4 O-O 15.Rad1 Ra7 16.Bxd5 Bxd5 17.e4 Bxe4 18.Qxe4 Rd7 19.Qe2 1/2-1/2
2023.07.19 TCh-EUR Senior +65 2023
887961 GM Legky, N (2360) GM Kosten, A (2358) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.a3 Bxd2+ 6.Qxd2 O-O 7.Nc3 d6 8.h3 e5 9.g4 Re8 10.g5 Nh5 11.Nd5 Qd8 12.dxe5 dxe5 13.O-O-O Nd7 14.Rg1 c6 15.Nc3 Qb6 16.Ne4 Nc5 17.Nxc5 Qxc5 18.e3 g6 19.Qd6 Qxd6 20.Rxd6 Bf5 21.Bg2 Be4 22.Nd2 Bxg2 23.Rxg2 Rad8 24.Ne4 Rxd6 25.Nxd6 Rb8 26.Rg1 b6 27.Rd1 f5 28.c5 b5 29.b4 Ng7 30.h4 Ne6 1/2-1/2
2023.07.18 TCh-EUR Senior +65 2023
887926 GM Kosten, A (2358) IM Tompa, J (2287) 1/2-1/2
1.Nf3 d5 2.g3 Nf6 3.Bg2 Bg4 4.c4 c6 5.Ne5 Be6 6.cxd5 Bxd5 7.Nf3 c5 8.Nc3 Bc6 9.O-O e6 10.b3 Be7 11.Bb2 O-O 12.d3 Qc7 13.Rc1 Rd8 14.Rc2 Na6 15.Rd2 Nb4 16.a3 Nbd5 17.Nxd5 Bxd5 18.e4 Bc6 19.Ne5 Be8 20.f4 Rac8 21.f5 exf5 22.Rxf5 b5 23.Rf1 Bd6 24.Nf3 1/2-1/2
2023.07.17 TCh-EUR Senior +65 2023
887890 FM Werner, Cle (2244) GM Kosten, A (2358) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7 5.Bb3 h6 6.O-O d6 7.c3 Ng6 8.d4 Be7 9.Re1 O-O 10.Nbd2 Kh8 11.dxe5 dxe5 12.Nf1 Qxd1 13.Bxd1 Be6 14.Be3 Na5 15.N1d2 c5 16.Nb3 Nxb3 17.Bxb3 c4 18.Bc2 Rfc8 19.g3 Bc5 20.Rad1 Bxe3 21.Rxe3 Rd8 22.Ree1 Kg8 23.Rxd8+ Rxd8 24.Rd1 Rxd1+ 25.Bxd1 Kf8 1/2-1/2
2023.07.15 TCh-EUR Senior +65 2023
898752 GM Kosten, A (2358) Wahlbom, M (2130) 1-0
1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.c4 c5 6.Nc3 Be7 7.b3 d6 8.Bb2 Nbd7 9.e3 a6 10.Qe2 O-O 11.Rfd1 Qc7 12.Rac1 Rfe8 13.d4 Bf8 14.d5 exd5 15.Nxd5 Nxd5 16.cxd5 b5 17.Qc2 f6 18.Nd4 Nb6 19.Ne6 Qf7 20.e4 Rxe6 21.dxe6 Qxe6 22.Re1 Re8 23.Qd2 Qf7 24.Qa5 Nd7 25.Rcd1 f5 26.exf5 Rxe1+ 27.Rxe1 Bxg2 28.Kxg2 Qxf5 29.Kg1 d5 30.Qxa6 d4 31.Qc6 b4 32.Kg2 Nf6 33.Qf3 Qd7 34.Bc1 Nd5 35.Bd2 h6 36.Qd3 Nf6 37.Qc4+ Kh8 38.Qe6 Qb7+ 39.Kg1 Qf3 40.Qf7 Bd6 41.Bxh6 gxh6 42.Re8+ 1-0
2023.07.14 TCh-EUR Senior +65 2023
898712 GM Plachetka, J (2284) GM Kosten, A (2358) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Bxd2+ 6.Qxd2 Nc6 7.Nc3 d5 8.cxd5 exd5 9.Bg2 O-O 10.O-O 1/2-1/2
2023.07.13 TCh-EUR Senior +65 2023
898676 GM Kosten, A (2358) IM Lederman, L (2213) 1/2-1/2
1.c4 c6 2.e4 d5 3.cxd5 cxd5 4.exd5 Nf6 5.Qa4+ Nbd7 6.Nc3 g6 7.Nf3 Bg7 8.Bc4 O-O 9.d3 a6 10.Qa3 Ne8 11.Bg5 Ndf6 12.O-O Nd6 13.Rfe1 Bf5 14.Ne5 Re8 15.Bb3 h6 16.Bf4 g5 17.Bd2 Ng4 18.Nxg4 Bxg4 19.h4 gxh4 20.Qb4 Qd7 21.f3 Bf5 22.Qxh4 Bg6 23.g4 h5 24.gxh5 Bxd3 25.Kh1 Qf5 26.Re3 Kh8 27.Rg1 Bf6 28.Qg4 Rg8 29.Qxf5 Bxf5 30.Ree1 Bd3 31.Rxg8+ Rxg8 32.Rg1 Nf5 33.Rxg8+ Kxg8 34.Kg2 Be5 35.f4 Bd4 36.Kf3 Kg7 37.Nd1 Kh6 38.Bc3 Bxc3 39.bxc3 Kxh5 40.Nf2 Bb1 1/2-1/2
2022.11.19 11th Beirut Open 2022
1118985 FM Koniahli, Malek (2209) GM Kosten, A (2368) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.O-O Nge7 7.d4 Ng6 8.Re1 Be7 9.Nbd2 O-O 10.dxe5 Ncxe5 11.Bc2 Re8 12.Nd4 Bg5 13.Nf1 Bxc1 14.Qxc1 Qf6 15.Ng3 Nf4 16.Qd1 g6 17.Nge2 Nxe2+ 18.Nxe2 Nf3+ 19.gxf3 Bh3 20.Nf4 Qxf4 21.Re3 Bg4 0-1
2022.11.18 11th Beirut Open 2022
1118952 GM Kosten, A (2368) Adeimi, M (2005) 1-0
1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Nd4 Nc6 5.e3 Bc5 6.Nb3 d6 7.d4 exd3 8.Bxd3 O-O 9.O-O Qd7 10.Nxc5 dxc5 11.e4 Ne5 12.Bg5 Qe6 13.f4 Nxd3 14.Qxd3 h6 15.Bh4 b6 16.e5 Nh5 17.Nd5 Bb7 18.Qf3 g6 19.g4 Ng7 20.Nf6+ Qxf6 21.exf6 Bxf3 22.fxg7 Rfe8 23.Rxf3 Kxg7 24.b3 Re4 25.Rd1 a5 26.Be1 a4 27.Bc3+ Kh7 28.Rd7 axb3 29.Rxf7+ Kg8 30.Rg7+ Kf8 31.axb3 Rd8 32.Rxg6 Re2 33.Rxh6 Rd1+ 34.Rf1 Rd3 1-0
2022.11.17 11th Beirut Open 2022
1118930 IM Daulyte-Cornette, Deimante (2356) GM Kosten, A (2368) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.Nc3 h6 6.h3 a6 7.Be3 d6 8.Bxc5 dxc5 9.a4 Qd6 10.O-O O-O 11.Nd2 Bd7 12.Ba2 Nb4 13.Nc4 Qe7 14.Bb3 Be6 15.f4 exf4 16.Rxf4 Nd7 17.Qd2 Rad8 18.Re1 Rfe8 19.Rff1 Nb6 20.Nxb6 Bxb3 21.Nbd5 Bxd5 22.Nxd5 Nxd5 23.exd5 Qd7 24.Qf4 Qxd5 25.Qxc7 Rc8 26.Qf4 Rxe1 27.Rxe1 Qd4+ 28.Qxd4 cxd4 29.Re4 a5 30.Rxd4 Rxc2 31.b4 axb4 32.Rxb4 Rd2 33.Rxb7 Rxd3 1/2-1/2
2022.11.16 11th Beirut Open 2022
1123929 GM Kosten, A (2368) Berbari, Imad (1730) 1-0
1.c4 e5 2.Nc3 Nc6 3.g3 Bc5 4.Bg2 a6 5.e3 d6 6.Nge2 Ba7 7.b3 Nge7 8.a3 Bg4 9.h3 Bd7 10.Bb2 Rb8 11.O-O O-O 12.Kh2 b5 13.Qc2 bxc4 14.bxc4 Na5 15.d3 Bc6 16.Nd5 Bxd5 17.cxd5 Nb3 18.Rab1 Nc5 19.d4 exd4 20.Nxd4 Qd7 21.Ba1 a5 22.Qc3 Na4 23.Qxa5 Bb6 24.Qd2 Ng6 25.f4 Bc5 26.Nc6 Rxb1 27.Rxb1 Re8 28.e4 Nb6 29.h4 Qg4 30.Rb3 f6 31.Bf3 Qc8 32.h5 Nf8 33.h6 Qa6 34.hxg7 Kxg7 35.f5 h6 36.Bxf6+ Kh7 37.Bg2 Nfd7 38.Ba1 Rg8 39.f6 Nc4 40.Qf4 Nf8 41.f7 Rg6 42.Ne7 Ne5 43.Nxg6 Nfxg6 44.Qf6 1-0
2022.11.15 11th Beirut Open 2022
1123895 Kaloust, Giorgio (1990) GM Kosten, A (2368) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Bb4+ 5.Nd2 O-O 6.Nf3 c5 7.O-O cxd4 8.cxd5 Nxd5 9.Nxd4 e5 10.Nc2 Nc6 11.Nc4 Be6 12.Nxe5 Nxe5 13.Bxd5 Bxd5 14.Nxb4 Bc4 15.Qxd8 Raxd8 16.Re1 Rfe8 17.Bf4 a5 18.Nc2 Nc6 19.Be3 a4 20.Na3 Be6 21.Nb5 Nb4 22.Nc7 Nc2 23.Nxe8 Rxe8 24.Rec1 Nxa1 25.Rxa1 Rc8 26.a3 Rc2 27.Rd1 h5 28.Rd2 Rxd2 29.Bxd2 1/2-1/2
2022.11.14 11th Beirut Open 2022
1123863 GM Kosten, A (2368) Arkadan, Adam (1107) 1-0
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Be6 7.O-O Be7 8.d4 exd4 9.Nxd4 Nxd4 10.Qxd4 Nxc3 11.Qxc3 Bf6 12.Qb4 Rb8 13.Bf4 Qd4 14.Bc6+ bxc6 15.Qxb8+ Qd8 16.Bxc7 Qxb8 17.Bxb8 O-O 18.Bxa7 Ra8 19.Bc5 g6 20.a3 Rb8 21.a4 Rxb2 22.Rab1 Rxe2 23.Rb8+ Kg7 24.Bf8+ Kg8 25.Bh6+ Bd8 26.Rxd8# 1-0
2022.11.13 11th Beirut Open 2022
1123784 GM Kosten, A (2368) Bedrosian, D (1630) 1-0
1.Nf3 b6 2.e4 Bb7 3.Nc3 d6 4.d4 e6 5.Bd3 Nd7 6.O-O g6 7.a4 a6 8.Bg5 Ne7 9.Qd2 h6 10.Be3 Bg7 11.h3 g5 12.Nh2 e5 13.dxe5 dxe5 14.Ne2 Ng6 15.Ng3 Nf6 16.Rfd1 O-O 17.Ng4 Nxg4 18.hxg4 Nf4 19.Bf1 Qf6 20.Qc3 Qc6 21.Qxc6 Bxc6 22.f3 Bf6 23.Nf5 Kh7 24.g3 Ne6 25.Bf2 Kg6 26.Kg2 Rh8 27.Bc4 h5 28.gxh5+ Rxh5 29.Ne3 Rah8 30.Ng4 b5 31.axb5 Bxb5 32.Bxe6 fxe6 33.b3 Be2 34.Rd2 Rh1 35.Rxh1 Bxf3+ 36.Kxf3 1-0
2022.11.13 11th Beirut Open 2022
1123817 Assaad, Joe (1964) GM Kosten, A (2368) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7 5.c3 Ng6 6.d4 exd4 7.cxd4 d5 8.exd5 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 Qxd5 11.Nc3 Qe6+ 12.Kf1 Qc4+ 13.Kg1 O-O 14.h4 h5 15.Bb3 Qb4 16.Qg5 Bg4 17.Ne4 Nce7 18.Ne5 Nxe5 19.Nf6+ Kh8 20.Nxh5 Nf3+ 21.gxf3 Bxh5 22.Qxh5+ Kg8 23.Qg5 Rad8 24.Rd1 Rd6 25.h5 Kh8 26.Rh3 Rf6 27.Kg2 Qd6 28.Bc2 Nd5 29.Rg3 Nf4+ 30.Kf1 Rg8 31.Re1 Qc6 32.h6 Qxc2 33.Qxg7+ 1-0
2022.11.12 11th Beirut Open 2022
1128353 Hamadeh, Sally (1121) GM Kosten, A (2368) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ Bd7 7.Bxd7+ Qxd7 8.Nc3 Nxd5 9.Qe2 f6 10.Nf3 Nf4 11.Qf1 O-O-O 12.d3 Bb4 13.Bd2 Nc6 14.O-O-O Rhe8 15.g3 Nd5 16.Nxd5 Qxd5 17.Bxb4 Nxb4 18.Qh3+ Kb8 19.Nd2 Qxa2 20.Qxh7 Qa1+ 21.Nb1 Na2+ 22.Kd2 Qxb2 23.Qxg7 e4 24.Ke1 exd3+ 25.Kf1 dxc2 26.Rxd8+ Rxd8 27.Qe7 Qb5+ 28.Kg2 Qc6+ 29.Kh3 Rh8+ 30.Kg4 f5+ 0-1
2022.05.02 4ncl 2021-22
1335816 GM Kosten, A (2371) Purton, B (2140) 1-0
1.c4 Nf6 2.Nc3 c5 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7 6.Nf3 Nc6 7.O-O e5 8.d3 Be7 9.Nd2 O-O 10.Bxc6 bxc6 11.Nc4 f6 12.b3 Nb5 13.Bb2 Be6 14.Rc1 Nd4 15.Na4 Rb8 16.Ba3 Rb5 17.Nd2 Qa5 18.Rc3 Bf7 19.Ne4 Rfb8 20.Bxc5 f5 21.Bxe7 fxe4 22.dxe4 R5b7 23.Bc5 Nxb3 24.Bd6 Rd8 25.axb3 1-0
2022.05.01 4ncl 2021-22
1335717 Scott, Gordon W (2224) GM Kosten, A (2371) 0-1
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Bd6 7.Ng3 dxc4 8.Bxc4 e5 9.d5 Nbd7 10.O-O Nb6 11.Be2 Ne8 12.e4 Bc5 13.Qd3 Nd6 14.Be3 Bxe3 15.Qxe3 Bd7 16.a4 a5 17.b3 Nbc8 18.Rac1 Ne7 19.Rc2 Rc8 20.Rfc1 c5 21.f4 exf4 22.Qxf4 Qb6 23.e5 Ng6 24.Qe3 Rfe8 25.Nce4 Rxe5 26.Rxc5 Rce8 27.Bd3 f5 28.Nf6+ gxf6 29.Qh6 Re1+ 0-1
2022.04.30 4ncl 2021-22
1335602 GM Kosten, A (2371) GM Gormally, D (2471) 1/2-1/2
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.Nd5 Bc5 7.b4 Nxd5 8.bxc5 Nf6 9.O-O Qe7 10.Ba3 e4 11.Ne1 b6 12.Nc2 bxc5 13.d3 Rb8 14.dxe4 Nxe4 15.Qd3 Re8 16.Ne3 Qe5 17.Bxe4 Qxe4 18.Bxc5 d6 19.Ba3 Qxd3 20.exd3 Nd4 21.Rab1 Bb7 22.Rb2 Nf3+ 23.Kg2 Nd2+ 24.Rxb7 Rxb7 25.Rd1 Nb1 26.Bc1 f6 27.h4 Re5 28.d4 Ra5 29.Re1 Kf7 30.d5 Rb8 31.Nf5 Re8 32.Be3 Na3 33.Rc1 g6 34.Nd4 Rc5 35.Nc2 Ra5 36.Nd4 Ra4 37.c5 Nc4 38.Bf4 g5 39.hxg5 fxg5 40.Bxg5 Re5 41.Nf3 Rxd5 42.cxd6 cxd6 43.Rh1 Kg7 44.Bh6+ Kg6 45.Bf4 h5 46.Re1 Rxa2 47.Re6+ Kf7 48.Rh6 Kg7 49.Nh4 Re2 50.Rg6+ Kf7 51.Bh6 Re6 52.Rg7+ Ke8 53.Ng6 Rf5 54.Rg8+ Kf7 55.Rg7+ Kf6 56.Nh4 Ra5 57.Rc7 Re4 58.Bg7+ Ke6 59.Ng6 Ne5 60.Nf4+ Rxf4 61.gxf4 Ng6 62.Bd4 a6 63.Be3 Nh4+ 64.Kh3 Nf5 65.Rh7 h4 66.Kg4 Ra1 67.Rh8 Rg1+ 68.Kf3 a5 69.Re8+ Kf7 70.Ra8 h3 71.Rh8 a4 72.Rxh3 a3 73.Rh7+ Ng7 74.Bd4 a2 75.Ke4 a1=Q 76.Rxg7+ Rxg7 77.Bxa1 Rg1 78.Bd4 Ke6 79.f5+ Kd7 80.f4 Rg4 81.Bh8 Rg8 82.Bd4 Re8+ 83.Kd5 Rb8 84.Ke4 Rb5 85.Bg7 Rb4+ 86.Bd4 1/2-1/2
2022.03.27 4ncl 2021-22
1403196 CM Ratnesan, Ranesh (2258) GM Kosten, A (2367) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.e3 Bxd2+ 6.Qxd2 O-O 7.Nc3 d6 8.Bd3 e5 9.Bc2 Nbd7 10.O-O Nb6 11.b3 Bg4 12.Ng5 h6 13.Nge4 Nxe4 14.Bxe4 c6 15.f3 Bd7 16.Rae1 f5 17.Bb1 Rae8 18.f4 e4 19.a4 a5 20.d5 c5 21.g4 Qh4 22.Qg2 Rf6 23.Qg3 Qxg3+ 24.hxg3 Rg6 25.gxf5 Bxf5 26.Kf2 Nd7 27.Rh1 Nf6 28.Reg1 Bg4 29.Ke1 Kf8 30.Bc2 h5 31.Bd1 Bxd1 32.Nxd1 1/2-1/2
2022.03.26 4ncl 2021-22
1403115 GM Kosten, A (2367) Rocco, Federico (2237) 1-0
1.Nf3 Nf6 2.g3 b5 3.a4 b4 4.Bg2 Bb7 5.O-O e6 6.d3 d5 7.a5 c5 8.c3 Nc6 9.Qa4 Qd7 10.e4 d4 11.Bg5 Be7 12.e5 Nd5 13.a6 Bc8 14.Bxe7 Ndxe7 15.cxd4 cxd4 16.Nxd4 Qxd4 17.Bxc6+ Bd7 18.Bxd7+ Qxd7 19.Qxb4 Nc6 20.Qe4 Rb8 21.Rc1 Nd4 22.Nd2 O-O 23.Rc4 Rfd8 24.Rac1 h6 25.Rc7 Qb5 26.Rb7 Qa5 27.b4 Qa3 28.Rcc7 Qxa6 29.Rxa7 Qb5 30.Rxf7 Nf5 31.Nc4 Rd4 32.Rxg7+ Kh8 33.Rh7+ Kg8 34.Qe2 Qe8 35.Nd6 Qg6 36.Nxf5 exf5 37.Qa2+ 1-0
2020.01.06 Irish New Year Norm GM
2027562 IM Astaneh Lopez, A (2432) GM Kosten, A (2402) 1-0
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 O-O 5.a3 Be7 6.e4 d6 7.Qc2 Nfd7 8.b4 a5 9.Bb2 axb4 10.axb4 Rxa1+ 11.Bxa1 e5 12.d5 Na6 13.Bc3 c6 14.Be2 cxd5 15.cxd5 Qc7 16.Qb3 Nb6 17.O-O Bd7 18.Rc1 Na4 19.Bb2 Qb8 20.Ba3 b5 21.Nb1 Bd8 22.Nc3 Nxc3 23.Rxc3 Bb6 24.Bc1 Rc8 25.Bd2 Rxc3 26.Qxc3 h6 27.h3 Qa7 28.Be1 Nc7 29.Nd2 Qa2 30.Kf1 Kf8 31.Bg4 f5 32.Bxf5 Bxf5 33.Qf3 g6 34.g4 Qc2 35.gxf5 gxf5 36.Qxf5+ Ke7 37.Nf3 Qd3+ 38.Kg2 Qe2 39.Qh7+ Ke8 40.Qg6+ Kd7 41.Qg4+ Ke7 42.Nxe5 Qxg4+ 43.Nxg4 h5 44.Nh6 Kf6 45.Bc3+ Kg6 46.Nf5 Nxd5 47.Nh4+ Kg5 48.exd5 Kf4 49.Ng6+ Ke4 50.Ne7 Kd3 51.Be1 Ke2 52.Nc8 Bd4 53.Nxd6 Kxe1 54.Nxb5 Bxf2 55.d6 Bb6 56.Nc3 Kd2 57.Nd5 1-0
2020.01.06 Irish New Year Norm GM
2027568 GM Kosten, A (2402) FM Ryan, Jo (2293) 1-0
1.Nf3 Nc6 2.d4 d5 3.g3 Bf5 4.Bg2 Nb4 5.Na3 e6 6.c3 Nc6 7.Nc2 h6 8.O-O Nf6 9.Nd2 e5 10.Ne3 Bh7 11.Qb3 exd4 12.Nxd5 Rb8 13.cxd4 Nxd4 14.Qe3+ Ne6 15.Nxf6+ Qxf6 16.Qxa7 Qd8 17.Bxb7 Bc5 18.Qa4+ Ke7 19.Bg2 Qd4 20.Qc6 Rb6 21.Qf3 Ng5 22.Qc3 Qxc3 23.bxc3 Re6 24.Nb3 Bb6 25.Ba3+ Kf6 26.h4 Ne4 27.e3 g5 28.hxg5+ hxg5 29.c4 Rhe8 30.c5 Ba7 31.Bh3 Ra6 32.Bb2+ Ke7 33.Rfd1 Rh6 34.Rd7+ Kf8 35.Bg2 Rc6 36.Nd4 Rh6 37.Rxc7 Bb8 38.Rc6 f6 39.Rd1 g4 40.Ne6+ Ke7 41.Ng7 1-0
2020.01.05 Irish New Year Norm GM
2027552 GM Turner, Ma (2521) GM Kosten, A (2402) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.Re1 Nd6 6.Nxe5 Be7 7.Bf1 Nxe5 8.Rxe5 O-O 9.d4 b6 10.Nc3 Bb7 11.Bf4 f5 12.Nd5 Bxd5 13.Rxd5 g6 14.Re5 Nf7 15.Re1 Bd6 16.Qf3 Qf6 17.Bc4 Qxd4 18.Bxd6 cxd6 19.Qb3 Rac8 20.Bd5 Qf6 21.c3 Kg7 22.Qa4 Rc7 23.f4 g5 24.Rad1 gxf4 25.Bxf7 Rxf7 26.Qxf4 Rc6 27.Rd3 Kf8 28.Rd5 a6 29.a4 Qg6 30.Re3 Qg4 31.Qh6+ Qg7 32.Qh4 Qf6 33.Qf4 Qg6 34.h3 Rf6 35.b4 Qf7 36.c4 b5 37.axb5 axb5 38.Rxb5 Rxc4 39.Rb8+ Kg7 40.Rg3+ Rg6 41.Qxd6 f4 42.Rxg6+ 1-0
2020.01.05 Irish New Year Norm GM
2027557 GM Kosten, A (2402) GM Pert, N (2558) 1/2-1/2
1.c4 e5 2.g3 Nf6 3.Bg2 c6 4.Nf3 e4 5.Nd4 Qb6 6.Nb3 a5 7.d3 a4 8.N3d2 exd3 9.O-O Be7 10.exd3 d5 11.cxd5 cxd5 12.Nc3 Qa5 13.a3 Nc6 14.b4 axb3 15.Bb2 O-O 16.Nxb3 Qd8 17.h3 Bf5 18.Ne2 Bd6 19.Qd2 Re8 20.Nbd4 Bd7 21.Nb5 Bb8 22.a4 Ne5 23.Nf4 Ra6 24.Rfe1 h5 25.h4 Bc6 26.Bd4 Neg4 27.Rxe8+ Bxe8 28.Nc3 Bc6 29.Re1 Ba7 30.Bxa7 Rxa7 31.d4 Ra8 32.f3 Nh6 33.Re5 1/2-1/2
2020.01.04 Irish New Year Norm GM
2027543 GM Kosten, A (2402) IM Fitzsimons, D (2317) 0-1
1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 O-O 5.e3 d6 6.Nge2 e5 7.O-O Nc6 8.h3 Be6 9.Nd5 Ne7 10.Nxe7+ Qxe7 11.b3 Qd7 12.Kh2 d5 13.d4 exd4 14.Nxd4 dxc4 15.Ba3 Rfd8 16.Bxb7 Bxh3 17.Bxa8 Bxf1 18.Qxf1 Rxa8 19.Qxc4 Ng4+ 20.Kg2 Ne5 21.Qb5 c6 22.Qa5 Qg4 23.Rc1 Qe4+ 24.Kg1 h5 25.Bd6 Ng4 26.Bc5 Nxe3 0-1
2020.01.04 Irish New Year Norm GM
2027550 FM Brady, S (2285) GM Kosten, A (2402) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 O-O 6.Nbd2 a6 7.Bb3 d5 8.Qe2 Ba7 9.h3 h6 10.O-O Re8 11.Rd1 Be6 12.Nf1 Qe7 13.Ng3 Rad8 14.Be3 Bxe3 15.Qxe3 Na5 16.Bxd5 Nxd5 17.exd5 Bxd5 18.Re1 Nc6 19.b3 Qd7 20.Rad1 Re6 21.Nh4 Ne7 22.d4 exd4 23.Qxd4 Rxe1+ 24.Rxe1 Be6 25.Nf3 Nc6 26.Qf4 Qd6 27.Qxd6 Rxd6 28.Kf1 Rd3 29.Re3 Rxe3 30.fxe3 Bd7 31.Ke2 Kf8 32.e4 g6 33.Ke3 Ke7 34.Ne2 Kd6 35.b4 Ne5 36.Nxe5 Kxe5 37.Nf4 Bb5 38.h4 g5 39.hxg5 hxg5 40.Nh3 f6 41.Nf2 b6 42.Ng4+ Ke6 43.g3 1/2-1/2
2020.01.03 Irish New Year Norm GM
2027534 GM Kosten, A (2402) IM Pajeken, Jakob Leon (2327) 1/2-1/2
1.Nf3 d5 2.g3 Nf6 3.Bg2 Nbd7 4.c4 dxc4 5.Na3 e5 6.Nxc4 e4 7.Ng5 Nc5 8.d3 Bg4 9.Nxe4 Nfxe4 10.dxe4 Qxd1+ 11.Kxd1 O-O-O+ 12.Ke1 Be6 13.Nd2 g6 14.e5 Bg7 15.Nf3 Nd7 16.Ng5 Nxe5 17.Nxe6 fxe6 18.Bf4 h6 19.h4 Ng4 20.Rb1 e5 21.Bh3 exf4 22.Bxg4+ Kb8 23.gxf4 Rd6 24.Bf3 Rf8 25.e3 Rb6 26.Rg1 Bxb2 27.Kd2 Rff6 28.Be4 Rfd6+ 29.Kc2 Bf6 30.Rxb6 axb6 31.Rxg6 Bxh4 32.Rxd6 cxd6 33.f3 Kc7 34.Kd3 b5 35.Kd4 b4 36.Bd5 Be1 37.Ke4 Kd7 38.Kf5 Ke7 39.e4 Bd2 40.e5 b6 41.Bc4 h5 42.exd6+ Kxd6 43.Kg5 Ke7 44.Kxh5 1/2-1/2
2020.01.03 Irish New Year Norm GM
2027539 FM Li, Henry (2288) GM Kosten, A (2402) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Bc5 6.c3 O-O 7.d4 Ba7 8.dxe5 Nxe4 9.Qd5 Nc5 10.Bc2 Ne7 11.Qd1 d6 12.Bg5 Bg4 13.Qd4 h5 14.exd6 cxd6 15.Qd1 Ne6 16.Bxe7 Qxe7 17.h3 Bxf3 18.Qxf3 g6 19.Nd2 Rad8 20.Rfe1 d5 21.Nb3 Qh4 1/2-1/2
2020.01.02 Irish New Year Norm GM
2027528 IM Collins, S IRL (2446) GM Kosten, A (2402) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.Bxc6+ bxc6 8.d4 exd4 9.Nxd4 Bd7 10.c4 O-O 11.Nc3 Re8 12.Qf3 Rb8 13.b3 c5 14.Nf5 Bxf5 15.exf5 Nd7 16.Bd2 Bf6 17.Rxe8+ Qxe8 18.Re1 Qd8 19.Nd5 Be5 20.g3 Nb6 21.Bc3 Bxc3 22.Ne7+ Kh8 23.Qxc3 Qf8 24.f6 Nd7 25.Nc6 Rc8 26.fxg7+ Qxg7 27.Qa5 Nf6 28.Ne7 Rf8 29.Qxc7 Ne8 30.Qd8 Qf6 31.Qc8 Qc3 32.Re3 Qa1+ 33.Kg2 Qg7 34.Nf5 Nf6 35.Qxa6 1-0
2019.05.28 TCh-FRA Top 12 2019
2386713 FM Bressac, S (2358) GM Kosten, A (2419) 1-0
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nxe5 7.d4 Bd6 8.f4 Nc6 9.e5 Bb4 10.d5 Qe7 11.exf6 Qc5+ 12.Kh1 Bxc3 13.bxc3 Qxb5 14.dxc6 Qxc6 15.Ba3 d6 16.Qd3 Re8 17.Qg3 g6 18.Qg5 Kh8 19.Rf3 Bf5 20.Qh6 Rg8 21.Re1 Rae8 22.Rfe3 Rxe3 23.Rxe3 Qb6 24.Bc1 Qb1 25.Re1 Qxc2 26.h3 Be4 27.Qg5 Re8 28.Kh2 d5 29.Ba3 c5 30.Bxc5 Qxc3 31.Qxd5 Qc2 32.Bf2 Qxf2 33.Rxe4 Rf8 34.Qd6 Kg8 35.Rc4 Qe2 36.Rc7 Qe4 37.a3 h6 38.Re7 Qc6 39.Qe5 Rd8 40.Rxf7 Qd6 41.Rg7+ Kh8 42.Rxg6 1-0
2019.05.27 TCh-FRA Top 12 2019
2388600 GM Kosten, A (2419) GM Stevic, H (2580) 0-1
1.Nf3 d5 2.c4 dxc4 3.e4 Bg4 4.Bxc4 e6 5.O-O Nf6 6.e5 Nd5 7.Qa4+ Qd7 8.Bb5 c6 9.Qxg4 cxb5 10.Nc3 b4 11.Ne4 Nc6 12.d4 f5 13.exf6 gxf6 14.Re1 O-O-O 15.Ng3 f5 16.Qh4 Bd6 17.Bg5 Rdg8 18.Nh5 h6 19.Bf6 Rg4 20.Qh3 Rhg8 21.g3 Qf7 22.Be5 Bxe5 23.dxe5 f4 24.Rf1 Qf5 25.Kh1 Qe4 26.Qg2 Nxe5 27.Nxe5 Qxe5 28.f3 R4g5 29.Qc2+ Kb8 30.gxf4 Nxf4 31.Rae1 Qd4 32.Nxf4 Qxf4 33.Qe4 Qxh2+ 0-1
2019.05.26 TCh-FRA Top 12 2019
2388550 IM Cossin, S (2494) GM Kosten, A (2419) 1-0
1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.f3 d5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 e5 8.Bb5+ Nd7 9.Ne2 a6 10.Bxd7+ Qxd7 11.dxe5 Qe6 12.Bf4 Bc5 13.Nd4 Qc4 14.Qb3 Qxb3 15.axb3 a5 16.e6 f6 17.Bxc7 g6 18.Bg3 Ke7 19.Bf2 Rhc8 20.O-O Bd6 21.Nb5 Bc5 22.Rfc1 Kxe6 23.c4 Bc6 24.Nc3 f5 25.Nd5 Bxd5 26.exd5+ Kd6 27.Kf1 Bxf2 28.Kxf2 b5 29.Ke3 Kc5 30.cxb5+ Kxd5 31.Rxc8 Rxc8 32.Kd3 Ra8 33.Ra4 Rb8 34.Rxa5 Kc5 35.Ra7 Rd8+ 36.Ke3 Re8+ 37.Kf2 h6 38.Ra6 Rg8 39.h4 Kxb5 40.Rf6 Kb4 41.h5 gxh5 42.Rxf5 Kxb3 43.Rxh5 Rg6 44.Rc5 Kb4 45.Rc1 Kb5 46.g4 Kb6 47.Kg3 h5 48.Kh4 hxg4 49.fxg4 Rh6+ 50.Kg5 Rh8 51.Kf6 1-0
2019.05.24 TCh-FRA Top 12 2019
2388441 GM Kosten, A (2419) GM Fedorchuk, S (2620) 0-1
1.Nf3 Nf6 2.c4 e6 3.g3 a6 4.Bg2 b5 5.b3 Bb7 6.Nc3 b4 7.Na4 c5 8.O-O Be7 9.d4 cxd4 10.Qxd4 O-O 11.Rd1 Bc6 12.Ne5 Bxg2 13.Kxg2 d6 14.Nb6 Qe8 15.Nf3 Nc6 16.Qd3 Rb8 17.c5 dxc5 18.Qxa6 Nd4 19.Na4 Nb5 20.Ne5 Ra8 21.Qc6 Nd5 22.Bb2 Bf6 23.Qxe8 Rfxe8 24.Rdc1 Nbc3 25.Nd7 Nxa4 26.Nxf6+ Nxf6 27.bxa4 Nd7 28.a3 b3 29.Rc3 Reb8 30.Rd1 Rb7 31.Rdd3 Rba7 32.Rd6 Rb8 33.Rdd3 Rba8 34.Rd6 Rb8 35.Rdd3 Rab7 36.a5 Kf8 37.a6 Ra7 38.Rxb3 Rxb3 39.Rxb3 Rxa6 40.Rd3 Ra7 41.Rd6 Rb7 42.Bc1 Rc7 43.a4 Ke7 44.Rd2 Ra7 45.Ra2 Kd6 46.a5 Kc6 47.Bd2 Nb8 48.Kf3 Rb7 49.g4 Na6 50.h4 Nb4 51.Ra4 Kb5 52.Ra1 Ra7 53.Bc3 g6 54.e4 Kc4 55.Be5 Nc6 56.Rc1+ Kb5 57.Bc3 Nxa5 58.Ra1 Nc6 59.Rxa7 Nxa7 60.Kf4 Kc4 61.Ba1 Kd3 62.Ke5 Nc6+ 63.Kf6 Kxe4 64.Kxf7 Ne5+ 65.Kg7 Nxg4 66.Kxh7 Kf5 67.f3 Nh2 0-1
2019.05.23 TCh-FRA Top 12 2019
2388399 GM Oparin, G (2624) GM Kosten, A (2419) 1-0
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.a3 Bxd2+ 6.Qxd2 Bb7 7.e3 O-O 8.Be2 a5 9.b3 d6 10.Bb2 Nbd7 11.O-O Qe7 12.Rad1 Rfd8 13.Qc2 c5 14.Nd2 cxd4 15.Bxd4 e5 16.Bb2 Rac8 17.Qf5 Nf8 18.f3 Ng6 19.Rfe1 Rc5 20.Qb1 Rc7 21.Nf1 Nh4 22.Ng3 Nd7 23.e4 Nc5 24.Bc1 Bc6 25.Be3 Rb7 26.b4 axb4 27.axb4 Ne6 28.Qb2 Qf6 29.b5 Be8 30.Bf1 Rdd7 31.Qf2 Qd8 32.Rd2 f6 33.Red1 Bf7 34.Ne2 f5 35.g3 f4 36.Bxf4 Nxf3+ 37.Qxf3 exf4 38.gxf4 Nc5 39.Bh3 Be6 40.Bxe6+ Nxe6 41.Nd4 Qf6 42.Nxe6 Qxe6 43.Rd5 Ra7 44.e5 dxe5 45.fxe5 Rxd5 46.Qxd5 Kf7 47.Kh1 Re7 48.Qf3+ Ke8 49.Qa8+ Kf7 50.Rf1+ Kg6 51.Qe4+ Kh6 52.Qe3+ g5 53.Rf6+ Qxf6 54.Qh3+ 1-0
2019.05.22 TCh-FRA Top 12 2019
2388343 GM Kosten, A (2419) GM Hamitevici, V (2476) 1/2-1/2
1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 g6 5.b3 Bg7 6.Bb2 O-O 7.O-O e6 8.Nc3 Re8 9.d4 Ne4 10.Qc2 Nxc3 11.Bxc3 d5 12.Nd2 Nc6 13.e3 Ne7 14.b4 Nf5 15.a4 c5 16.dxc5 Bxc3 17.Qxc3 bxc5 18.bxc5 d4 19.exd4 Bxg2 20.Kxg2 Qxd4 21.Qxd4 Nxd4 22.Rab1 Rec8 23.Ne4 f5 24.Rfd1 e5 25.Nf6+ Kg7 26.Nd7 Nc6 27.Rb7 Na5 28.c6 Rxc6 29.Nxe5+ Nxb7 30.Rd7+ Kf6 31.Nxc6 Nc5 32.Rxh7 a5 33.Ra7 Rxa7 34.Nxa7 Ke6 35.Nc6 Nb3 36.h4 Kd6 37.Nd8 Nc5 38.Kf3 Kd7 39.Nf7 Ke6 40.Ng5+ Ke7 41.Ke3 Nxa4 42.Kd4 Nb2 43.Nh3 a4 44.Nf4 a3 45.Nd5+ Ke6 46.Nb4 Nd1 47.f3 Nf2 48.c5 Nh1 49.g4 fxg4 50.fxg4 Nf2 51.h5 Nxg4 52.hxg6 Nh6 53.c6 Nf5+ 54.Kc5 Ne7 55.c7 Nc8 56.Kc6 Kf6 57.Kd7 Na7 58.c8=Q Nxc8 59.Kxc8 1/2-1/2
2019.05.20 TCh-FRA Top 12 2019
2391073 GM Fressinet, L (2640) GM Kosten, A (2419) 1/2-1/2
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.exd5 exd5 5.Bd3 Nf6 6.Bg5 O-O 7.Ne2 c6 8.h3 Nbd7 9.O-O Re8 10.Ng3 h6 11.Be3 Nb6 12.Qf3 Nc4 13.Bc1 Nd6 14.Bf4 Nde4 15.a3 Bxc3 16.bxc3 Ng5 17.Bxg5 hxg5 18.Rfe1 g4 19.hxg4 Bxg4 20.Qf4 Qa5 21.Re5 Qxc3 22.Rf1 c5 23.f3 Bd7 24.Ne2 Qa5 25.Rg5 Re6 26.Ng3 g6 27.Bf5 Rc6 28.Bxd7 Nxd7 29.Rxd5 Nf6 30.Rd6 Qb6 31.Nf5 gxf5 32.Qg5+ Kf8 33.Qh6+ Kg8 34.Qg5+ Kf8 35.Qh6+ 1/2-1/2
2019.05.19 TCh-FRA Top 12 2019
2391017 GM Kosten, A (2419) GM Hamdouchi, H (2584) 1/2-1/2
1.Nf3 g6 2.e4 c5 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Bg7 7.O-O O-O 8.Re1 Nc6 9.Nb3 a6 10.a4 b6 11.Bf1 Bb7 12.Nd5 Nd7 13.c3 e6 14.Ne3 Nf6 15.Ng4 Nxg4 16.Qxg4 Qc7 17.Qh4 Rad8 18.Bg5 f6 19.Bh6 Bxh6 20.Qxh6 Ne5 21.Nd4 Rde8 22.f4 Nf7 23.Qh3 Bc8 24.Bxa6 Bxa6 25.Nxe6 Qc8 26.Nxf8 Qxh3 27.gxh3 Kxf8 28.b4 g5 29.a5 b5 30.c4 bxc4 31.Reb1 Rb8 32.b5 Rxb5 33.Rxb5 Bxb5 34.a6 Bc6 35.a7 Bxe4 36.a8=Q+ Bxa8 37.Rxa8+ Kg7 38.Rc8 d5 39.fxg5 Nxg5 40.Rc5 Nxh3+ 41.Kg2 Nf4+ 42.Kf3 Nd3 43.Rxd5 Kg6 44.Ke4 1/2-1/2
2019.05.18 TCh-FRA Top 12 2019
2390959 GM Fedorov, Alex (2566) GM Kosten, A (2419) 1-0
1.e4 e5 2.Nc3 Nf6 3.g3 d5 4.exd5 Nxd5 5.Nf3 Nc6 6.Bg2 Nxc3 7.bxc3 Bc5 8.O-O O-O 9.d3 Bg4 10.h3 Bh5 11.g4 Bg6 12.Ng5 Qd7 13.h4 f6 14.Ne4 Bxe4 15.Bxe4 Ne7 16.Bxb7 Rab8 17.Bg2 f5 18.gxf5 Nxf5 19.Qg4 Rb6 20.Qc4+ Rf7 21.Bd5 Rg6+ 22.Kh2 Nd6 23.Qxc5 Kh8 24.Rb1 h6 25.Rb8+ Kh7 26.Rb4 e4 27.Rxe4 Rf5 28.Qc6 Qd8 29.Qa8 Nc8 30.Be3 Rxd5 31.Rg1 Rxg1 32.Kxg1 Rb5 33.Bd4 Qd7 34.Re3 Nd6 35.Rg3 Nf5 36.Qe4 Kg8 37.Rg6 Qf7 38.Re6 Nd6 39.Qg4 Nf5 40.Qe4 Nd6 41.Qg6 Qxg6+ 42.Rxg6 Nf5 43.Rc6 Ra5 44.Rxc7 Rxa2 45.Rxa7 Rxc2 46.Be5 Rd2 47.d4 Rd3 48.Rc7 Rd1+ 49.Kh2 Rd2 50.Bg3 h5 51.Rc5 g6 52.d5 Kf7 53.Rc7+ Kf6 54.Rc6+ Kf7 55.c4 Rc2 56.Kg1 Nd4 57.Rc7+ Kf6 58.c5 Kf5 59.d6 1-0
2019.01.06 15th Vandoeuvre Open 2019
2448219 IM Guilleux, F (2418) GM Kosten, A (2425) 1-0
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.g3 Bb7 6.Bg2 O-O 7.O-O d5 8.a3 Be7 9.b4 a5 10.b5 a4 11.Qc2 c6 12.cxd5 cxd5 13.Ne5 Nbd7 14.f4 Nxe5 15.fxe5 Ne8 16.Nf3 Nc7 17.Rb1 Ra5 18.Bd2 Rxb5 19.Rbc1 Na6 20.Qxa4 Rb2 21.Rb1 b5 22.Qd1 Rxb1 23.Qxb1 Qb6 24.Qb2 Rc8 25.Rb1 Bc6 26.e3 Be8 27.Bf1 Rb8 28.Ne1 f6 29.Nd3 Bg6 30.exf6 Bxf6 31.a4 b4 32.a5 Qb7 33.Rc1 b3 34.Rc3 Bxd3 35.Bxd3 e5 36.Bxa6 Qxa6 37.Rxb3 Rf8 38.Rb8 exd4 39.Rxf8+ Kxf8 40.exd4 Qd3 41.Qb4+ Kf7 42.Be1 Bxd4+ 43.Bf2 Bxf2+ 44.Kxf2 d4 45.Qb7+ Kg6 46.Qc6+ Kg5 47.Qd5+ Kh6 48.Qd6+ g6 49.Qf8+ 1-0
2018.10.29 16th Cap D'Agde Open 2018
2483440 GM Kravtsiv, M (2654) GM Kosten, A (2437) 1-0
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 c5 5.d5 O-O 6.e4 d6 7.Ne2 a6 8.Ng3 b5 9.Kf2 exd5 10.Nxd5 Nxd5 11.Qxd5 Ra7 12.Bg5 Qb6 13.Rd1 Nc6 14.Nf5 bxc4 15.Nxg7 Kxg7 16.Qxd6 Be6 17.Bh6+ Kxh6 18.Qxf8+ Kg6 19.f4 Nd4 20.Qg8+ 1-0
2018.07.21 3rd Espalion Open 2018
2544577 GM Gozzoli, Y (2587) GM Kosten, A (2439) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Bxd2+ 6.Qxd2 Nc6 7.Nc3 d5 8.Ne5 dxc4 9.Nxc6 bxc6 10.Bg2 O-O 1/2-1/2
2018.07.20 3rd Espalion Open 2018
2544552 GM Kosten, A (2439) Menard, Baptiste (2184) 1-0
1.c4 e5 2.Nc3 d6 3.g3 f5 4.d4 e4 5.f3 exf3 6.exf3 Nf6 7.Bg2 Be7 8.Nge2 c6 9.O-O O-O 10.d5 Qb6+ 11.Nd4 Na6 12.Re1 Re8 13.b3 Nc7 14.f4 Bd7 15.Bb2 cxd5 16.cxd5 Ng4 17.Qd2 Bf6 18.Na4 Bxa4 19.bxa4 Na6 20.a5 Qb4 21.Bc3 Qc5 22.h3 Ne5 23.Kh2 Nc4 24.Qd3 Nb4 25.Bxb4 Qxb4 26.Rxe8+ Rxe8 27.Rb1 Qd2 28.Qxd2 Nxd2 29.Rb4 g6 30.g4 Bxd4 31.Rxd4 Re2 32.Kg3 Ne4+ 33.Bxe4 fxe4 34.a4 Re3+ 35.Kh4 Rd3 36.Rxe4 Rxd5 37.a6 bxa6 38.Re8+ Kf7 39.Ra8 Ra5 40.Rxa7+ Kg8 41.Rd7 Rxa4 42.Kg5 a5 43.h4 Rd4 44.f5 gxf5 45.Kf6 h6 46.g5 hxg5 47.hxg5 Rg4 48.g6 1-0
2018.07.19 3rd Espalion Open 2018
2544525 FM Gerard, N (2183) GM Kosten, A (2439) 0-1
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.a3 Bxd2+ 6.Qxd2 Bb7 7.e3 a5 8.b3 O-O 9.Bb2 d6 10.Be2 Nbd7 11.O-O Qe7 12.Qc2 c5 13.Nd2 Rfc8 14.Bc3 cxd4 15.exd4 d5 16.Bf3 b5 17.c5 Nxc5 18.dxc5 Qxc5 19.Rfc1 b4 20.axb4 axb4 21.Rxa8 Bxa8 22.Nb1 bxc3 23.Qxc3 Qxc3 24.Rxc3 Rxc3 25.Nxc3 Kf8 26.Be2 e5 27.Nb5 Ke7 28.Kf1 Bc6 29.Na3 Ne4 30.Ke1 Nc3 31.Ba6 d4 32.g3 Na2 33.Bd3 e4 34.Bc4 Nb4 35.Kd2 f6 36.Bg8 h6 37.Nc4 Bd5 38.Bh7 Ke6 39.Ke2 f5 40.Nb6 Bc6 41.h3 Bb5+ 42.Kd2 Ke5 43.Bg8 g5 44.Bf7 f4 45.Nc4+ Bxc4 46.bxc4 Na6 47.gxf4+ gxf4 48.f3 e3+ 49.Ke2 Nc5 50.Bg6 Kf6 0-1
2018.07.18 3rd Espalion Open 2018
2544499 WFM Pass, D (1951) GM Kosten, A (2439) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ Bd7 7.Qe2 Be7 8.Nc3 Bxb5 9.Qxb5+ c6 10.dxc6 Nxc6 11.Nf3 Qc7 12.d4 e4 13.Ne5 O-O 14.Nxc6 bxc6 15.Qe2 Qb6 16.O-O Qxd4 17.Rd1 Qe5 18.Be3 Rfe8 19.Rd2 h5 20.Bd4 Qf5 21.Rad1 Bc5 22.Bxc5 Qxc5 23.Rd4 Qe5 24.h3 Rab8 25.b4 Rbc8 26.Qe3 c5 27.bxc5 Qxc5 28.Nxe4 Nxe4 29.Rxe4 Qxe3 30.Rxe3 Rxe3 31.fxe3 Rxc2 32.Rd8+ Kh7 33.Rd7 Rxa2 34.Rxf7 Kg6 35.Rc7 Kf6 36.e4 g6 37.Rc6+ Kg5 38.e5 a5 39.e6 a4 40.e7 Re2 41.Ra6 Rxe7 42.Rxa4 Re6 43.Rb4 Kf6 44.Kf2 g5 45.Rc4 Re5 46.Rc6+ Kf5 47.Rc4 Ra5 48.Rb4 Ra2+ 49.Kf3 Ra3+ 50.Kf2 Ra2+ 1/2-1/2
2018.07.17 3rd Espalion Open 2018
2544467 GM Kosten, A (2439) IM Kurayan, R (2366) 0-1
1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 O-O 5.e4 c5 6.Nge2 Nc6 7.d3 a6 8.O-O Ne8 9.Be3 d6 10.d4 cxd4 11.Nxd4 Nc7 12.Nxc6 bxc6 13.c5 Rb8 14.cxd6 Qxd6 15.Qc2 Nb5 16.Ne2 Bg4 17.Rad1 Qc7 18.h3 Bxe2 19.Qxe2 c5 20.Rd5 Nd4 21.Qc4 Rb4 22.Qxc5 Qxc5 23.Rxc5 Rxb2 24.Ra5 Rc8 25.Rxa6 Be5 26.Rd1 Nc2 27.Rc1 Rd8 28.Bc5 Rd2 29.Kh1 Bd4 30.Ra8+ Kg7 31.Rd8 Rxf2 32.Rxd4 Rxg2 33.Rc4 Re2 34.a4 f6 35.e5 Ne1 36.exf6+ exf6 37.R4c3 Rh2+ 38.Kg1 Rbg2+ 0-1
2018.07.16 3rd Espalion Open 2018
2544412 GM Kosten, A (2439) Grichkevitch, G (1964) 1-0
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.Bg5 h6 10.Bxf6 Bxf6 11.a3 Be6 12.b4 axb4 13.axb4 Qd7 14.Nd2 Bh3 15.Nd5 Bd8 16.Ne4 Kg7 17.b5 Nd4 18.Bxh3 Qxh3 19.e3 Nf5 20.Ra1 Rxa1 21.Qxa1 Ne7 22.f4 Nxd5 23.cxd5 f6 24.Qa7 b6 25.Qb7 Qd7 26.Qc6 Qxc6 27.bxc6 exf4 28.gxf4 Re8 29.Kf2 f5 30.Nc3 g5 31.Nb5 g4 32.Ra1 1-0
2018.07.16 3rd Espalion Open 2018
2544439 GM Flear, G (2451) GM Kosten, A (2439) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d6 5.Bg5 c5 6.dxc5 dxc5 7.a3 Bxc3+ 8.Qxc3 Nc6 9.Rd1 Qa5 10.Qxa5 Nxa5 11.e3 1/2-1/2
2018.07.15 3rd Espalion Open 2018
2544384 Flaujac, Benoit (1902) GM Kosten, A (2439) 0-1
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 Ng4 6.O-O d6 7.exd6 Bxd6 8.Re1+ Kf8 9.a4 Nce5 10.Nxe5 Nxe5 11.Bb3 Qh4 12.h3 Bd7 13.Nd2 Bc6 14.c3 Nd3 15.Re2 Bxg2 16.Kxg2 Nf4+ 17.Kf1 Qxh3+ 0-1
2018.07.14 3rd Espalion Open 2018
2544356 GM Kosten, A (2439) Rinie, J (1654) 1-0
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Re1 e6 7.d3 Be7 8.Nbd2 O-O 9.a4 Re8 10.Nf1 Qc7 11.h3 Rac8 12.Bf4 e5 13.Bg5 a5 14.Ne3 h6 15.Bxf6 Nxf6 16.Nh2 b6 17.Nhg4 Qd7 18.Nf5 d5 19.Nxe5 Qe6 20.Ng4 dxe4 21.dxe4 Rcd8 22.Qf3 c4 23.Ngxh6+ gxh6 24.Qg3+ 1-0
2018.06.04 TCh-FRA Top 12 2018
2573916 GM Kosten, A (2448) GM Kveinys, A (2493) 1/2-1/2
1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 dxc4 5.Qa4+ c6 6.Qxc4 b5 7.Qb3 Bb7 8.O-O Nbd7 9.d4 a6 10.Ne5 1/2-1/2
2018.06.03 TCh-FRA Top 12 2018
2573850 GM Wagner, De (2567) GM Kosten, A (2448) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.c3 O-O 6.a4 a6 7.b4 Ba7 8.Bg5 h6 9.Bh4 d6 10.Na3 Be6 11.O-O Re8 12.Re1 Bxc4 13.Nxc4 Re6 14.b5 Ne7 15.Rb1 Ng6 16.Bg3 Qe8 17.b6 cxb6 18.Nxb6 Rd8 19.c4 Re7 20.a5 Rc7 21.Qd2 Rc6 22.Nd5 Nxd5 23.cxd5 Rc7 24.d4 f6 25.h4 Rdc8 26.Qd1 Qf7 27.h5 Ne7 28.dxe5 fxe5 29.Nh4 Rf8 30.Rf1 Bd4 31.Rb3 Qe8 32.Qg4 Qc8 33.Qxc8 Rfxc8 34.Rfb1 Bc3 35.f4 exf4 36.Bxf4 Rc4 37.Rxc3 Rxc3 38.Rxb7 R3c7 39.Rxc7 Rxc7 40.Bxd6 Rd7 41.Bc5 Rc7 42.Bb6 Rc1+ 43.Kf2 Kf7 44.Ke2 Nc8 45.Bd4 Rc4 46.Nf5 Ra4 47.g4 Ne7 48.Nd6+ Kf8 49.Bc3 Ra2+ 50.Ke3 Rg2 51.Kf3 Rc2 52.Bb4 Rb2 53.Bc5 Rc2 54.Bd4 Ra2 55.Bb6 g6 56.hxg6 Nxg6 57.Nf5 Ra3+ 58.Kf2 Ra2+ 59.Ke3 Ra3+ 60.Kd4 Ra4+ 61.Ke3 Ra3+ 62.Kd2 Rh3 63.Bc7 Ke8 64.Bb8 Ra3 65.Bc7 Kd7 66.Bb6 Ne5 67.Nxh6 Rh3 68.Nf5 Nxg4 69.Bd4 Ra3 70.e5 Nxe5 71.Bxe5 Rxa5 72.Ne3 Rxd5+ 73.Nxd5 Ke6 74.Nc7+ Kxe5 75.Nxa6 1/2-1/2
2018.06.02 TCh-FRA Top 12 2018
2573835 GM Ragger, M (2672) GM Kosten, A (2448) 1-0
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 Be7 5.Bg2 O-O 6.O-O dxc4 7.Qc2 b6 8.Bg5 Nd5 9.Bxe7 Qxe7 10.Nbd2 Ba6 11.Nxc4 c5 12.Rac1 Rc8 13.Ne3 Nxe3 14.fxe3 Nd7 15.Ne5 cxd4 16.Qa4 Rxc1 17.Rxc1 Rc8 18.Rxc8+ Bxc8 19.Nc6 Qg5 20.Qxd4 e5 21.Qc3 Ba6 22.Qd2 g6 23.Nxa7 Kg7 24.Nc6 Nf6 25.Qc3 Ng4 26.Bf3 f6 27.Nb4 Bc4 28.b3 Bf7 29.e4 Qh5 30.h4 g5 31.Qc8 1-0
2018.06.01 TCh-FRA Top 12 2018
2573771 GM Kosten, A (2448) GM Malakhov, V (2691) 0-1
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Bxd2+ 8.Nbxd2 d5 9.exd5 Nxd5 10.Qb3 Nce7 11.O-O O-O 12.Rfe1 h6 13.Ne4 b6 14.Ne5 Be6 15.Rad1 c6 16.Qf3 Qc7 17.Bb3 Rad8 18.Rc1 f6 19.Ng4 f5 20.Nef6+ gxf6 21.Rxe6 fxg4 22.Qxg4+ Kh8 23.Qh4 Nf5 24.Qh3 Qf4 25.Rce1 Qg5 26.Bxd5 cxd5 27.f4 Qg6 28.Qd3 Kg7 29.R1e5 Nh4 30.Re7+ Kh8 0-1
2018.05.31 TCh-FRA Top 12 2018
2573731 GM Fedorchuk, S (2637) GM Kosten, A (2448) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 d6 7.c4 Bg4 8.h3 Bxf3 9.Qxf3 Nd7 10.Bxc6 bxc6 11.Be3 O-O 12.Nc3 Bg5 13.b4 Bxe3 14.Qxe3 a5 15.b5 c5 16.f4 exf4 17.Rxf4 f6 18.Raf1 Nb6 19.Rf5 Qe7 20.Qg3 Rae8 21.Ne2 g6 22.R5f2 Qe5 23.Qh4 Kg7 24.Kh1 Qg5 25.Qxg5 fxg5 26.Kg1 Rxf2 27.Rxf2 Nd7 28.Nc1 Ne5 29.Rb2 Rb8 30.Rb3 g4 31.Ra3 Ra8 32.hxg4 Nxg4 33.Ra4 Kf6 34.Kf1 Ke5 35.Ke1 Kd4 36.Kd2 Ke5 37.g3 h5 38.Nb3 Rf8 39.Nxa5 Rf2+ 40.Kc3 Rg2 41.Nc6+ Kf6 42.Ra7 Ne3 43.Rxc7 Rxa2 44.Kb3 Rd2 45.b6 Rxd3+ 46.Ka4 Nxc4 47.b7 Nb2+ 48.Ka5 Rxg3 49.Rd7 Ra3+ 50.Kb6 Rb3+ 51.Kc7 Nc4 52.b8=Q Rxb8 53.Kxb8 h4 54.Kc7 Kg5 55.Rh7 Kg4 56.Ne7 g5 57.Kc6 Nd2 58.Kd5 h3 59.Nf5 c4 60.Nxd6 c3 61.Nf5 Nf3 62.Ne3+ Kg3 63.e5 Kf4 64.e6 Kxe3 65.e7 h2 66.e8=Q+ Kd2 67.Qe4 Nh4 68.Kc4 1-0
2018.05.30 TCh-FRA Top 12 2018
2573683 GM Kosten, A (2448) IM Bailet, P (2501) 0-1
1.c4 e5 2.Nc3 Nc6 3.e3 Nf6 4.Nf3 Be7 5.d4 exd4 6.Nxd4 O-O 7.Be2 Bb4 8.O-O Bxc3 9.bxc3 d6 10.c5 Ne4 11.Nxc6 bxc6 12.Bf3 Nxc5 13.Bxc6 Rb8 14.Ba3 Ba6 15.Bxc5 dxc5 16.Re1 Qf6 17.Bf3 Qxc3 18.Rc1 Qb4 19.Qc2 Rb5 20.a3 Qxa3 21.Ra1 Qb4 22.Rec1 Ra5 23.Rxa5 Qxa5 24.Qxc5 Qxc5 25.Rxc5 Rb8 26.h4 c6 27.Rxc6 Bb7 28.Rd6 Bxf3 29.gxf3 Kf8 30.Ra6 Ra8 31.f4 Ke7 32.Kg2 Kd7 33.Kf3 Kc7 34.e4 Kb7 35.Rd6 Rc8 36.e5 a5 37.Rd7+ Rc7 38.Rd4 Kc6 39.f5 Ra7 40.Ke4 a4 41.Rd6+ Kc7 42.Rd1 a3 43.Rc1+ Kd7 44.Rd1+ Ke7 45.h5 Ra4+ 46.Kd5 a2 47.Ra1 Ra5+ 48.Kd4 Ra4+ 49.Kd5 Kd7 50.Kc5 g6 51.hxg6 hxg6 52.e6+ Ke7 53.exf7 g5 54.Kd5 Kxf7 55.Ke5 Ra5+ 56.Ke4 Kf6 57.Ke3 Kxf5 58.Kf3 Ra3+ 59.Ke2 Ke4 60.Kd2 Kf3 61.Ke1 g4 62.Kf1 Rb3 0-1
2018.05.29 TCh-FRA Top 12 2018
2573618 GM Kosten, A (2448) GM Van Foreest, Jorden (2638) 1/2-1/2
1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 a6 5.d4 Bf5 6.Bd3 Bg6 7.O-O e6 8.Qe2 Bb4 9.Bd2 Bxc3 10.Bxc3 O-O 11.a4 Nbd7 12.Bxg6 hxg6 13.b3 Ne4 14.Bb2 Qb6 15.a5 Qxb3 16.c5 e5 17.Nxe5 Nxe5 18.dxe5 Qb5 19.Qc2 Qxc5 20.Qxc5 Nxc5 21.Ba3 Nb3 22.Rab1 Nd2 23.Bxf8 Nxb1 24.Rxb1 Kxf8 25.Rxb7 d4 26.exd4 Rd8 27.g3 Rxd4 28.Ra7 Rd5 29.Rxa6 Rxe5 30.Ra7 g5 31.Kg2 g4 32.h3 gxh3+ 33.Kxh3 g6 34.Kg4 Re4+ 35.Kf3 Ra4 36.a6 Kg7 37.Ke3 Kf6 38.Kd3 Ke6 39.Kc3 f5 40.Kb3 Ra1 41.Kb4 Kd5 42.Rd7+ Ke6 43.Ra7 Kd5 44.Rd7+ Ke5 1/2-1/2
2018.05.28 TCh-FRA Top 12 2018
2576412 GM Balogh, C (2628) GM Kosten, A (2448) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.c3 O-O 6.Bg5 h6 7.Bh4 Be7 8.Nbd2 d6 9.O-O Na5 10.Bb5 a6 11.Ba4 b5 12.Bc2 c5 13.d4 cxd4 14.cxd4 Nc6 15.h3 Bb7 16.Re1 Re8 17.a3 exd4 18.Nb3 d5 19.e5 Ne4 20.Bxe7 Qxe7 21.Nfxd4 Qxe5 22.Nxc6 Bxc6 23.f3 Qxb2 24.Nd4 Nf6 25.Qd2 Rxe1+ 26.Rxe1 Qxa3 27.Nxc6 Qc5+ 28.Nd4 a5 29.Kh1 b4 30.Rc1 Qb6 31.Ba4 Nh5 32.g4 Nf6 33.Kg2 Rd8 34.Qe3 Qa7 35.Qe5 Qb8 36.Qxb8 Rxb8 37.Rc5 Ra8 38.Nb3 Kf8 39.Rxa5 Rc8 40.Rc5 Ra8 41.Ra5 Rc8 42.Nd4 Rc4 43.Nf5 Rc8 44.Rb5 g6 45.Nd4 1-0
2018.05.27 TCh-FRA Top 12 2018
2576364 GM Kosten, A (2448) GM Bluebaum, M (2633) 1/2-1/2
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 c5 12.d5 b4 13.dxe6 bxc3 14.exf7+ Kf8 15.Qe2 cxb2 16.Rad1 Qb6 17.Rfe1 Qf6 18.c3 Be4 19.Nh4 Bxg2 20.Kxg2 Nc6 21.Qxb2 Rd8 22.Rxd8+ Nxd8 23.Qc2 Kxf7 24.Nxf5 Qc6+ 25.Kg1 Bf6 26.Qd2 Rf8 27.Qh6 Kg8 28.Re7 Nf7 29.Qh5 Bg7 30.Ra7 Qf6 31.Nxg7 Kxg7 32.Qxc5 Rd8 33.Kg2 Rd3 34.Qh5 Rxc3 35.Qg4+ Kh6 36.Qh3+ Kg6 37.Qg4+ Kh6 38.Qh3+ Kg7 39.Qg4+ 1/2-1/2
2018.05.26 TCh-FRA Top 12 2018
2576308 IM Vernay, C (2513) GM Kosten, A (2448) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d6 5.e3 O-O 6.Bd3 c5 7.Ne2 Nc6 8.O-O e5 9.Nd5 cxd4 10.exd4 Nxd5 11.cxd5 Nxd4 12.Nxd4 exd4 13.a3 Ba5 14.Bxh7+ Kh8 15.Be4 Bg4 16.Qd3 f5 17.Bf3 Bxf3 18.Qxf3 Qe7 19.b4 Bb6 20.Bb2 Qe4 21.Rfe1 Qxf3 22.gxf3 a5 23.Rad1 axb4 24.axb4 Ra4 25.Bxd4 Rxb4 26.Bxb6 Rxb6 27.Rb1 Rxb1 28.Rxb1 Ra8 29.Kg2 Ra5 30.Kg3 Rxd5 31.Rxb7 1/2-1/2
2016.11.27 Kilkenny Masters
2821558 GM Kosten, A (2461) GM Libiszewski, F (2543) 1/2-1/2
1.c4 e6 2.Nf3 d5 3.e3 Nf6 4.Nc3 Be7 5.b3 O-O 6.Bb2 b6 7.d4 Bb7 8.Nb1 1/2-1/2
2016.11.27 Kilkenny Masters
2821559 GM Maze, S (2615) GM Kosten, A (2461) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.d3 O-O 6.O-O d6 7.h3 Nd4 8.Nxd4 Bxd4 9.Ne2 Bb6 10.Ng3 c6 11.Ba4 Nd7 12.c3 d5 13.Qf3 Nc5 14.Bc2 d4 15.Bd2 a5 16.Nf5 Bxf5 17.Qxf5 Re8 18.cxd4 Ne6 19.Bb3 Bxd4 20.a4 Bxb2 21.Rab1 Bd4 22.Kh1 g6 23.Qg4 Qc7 24.f4 exf4 25.Bxf4 Nxf4 26.Rxf4 Re7 27.Rbf1 Rf8 28.Bc4 Kg7 29.Qe2 h5 30.g4 Be5 31.R4f2 Qd7 32.Kg2 hxg4 33.Qxg4 Qxg4+ 34.hxg4 g5 35.Rh1 f6 36.Rff1 Rh8 37.Rxh8 Kxh8 38.Rh1+ Kg7 39.Kf3 Bd4 40.Rb1 b6 41.Rc1 Rc7 42.Be6 Kf8 43.Rc4 Ke7 44.Bf5 c5 45.Rc1 Kd6 46.Bg6 Rc8 47.Bf7 Rh8 48.Bh5 b5 49.axb5 Kc7 50.e5 fxe5 51.Ke4 Rf8 52.Kd5 Kb6 53.Kc4 Rf2 54.Be8 Rf4 55.Rh1 Bf2+ 56.Kd5 Rd4+ 57.Kxe5 Bg3+ 58.Kf5 Rd5+ 59.Kf6 a4 60.Ra1 Be5+ 61.Ke6 Rd8 62.Kxe5 Rxe8+ 63.Kf6 Kxb5 64.Kxg5 Rd8 65.Rb1+ Ka5 66.Rc1 Kb4 67.Rb1+ Ka3 68.Rb5 Rd5+ 69.Kf6 Ka2 70.g5 a3 71.g6 Rxd3 72.Rxc5 Rf3+ 1/2-1/2
2016.11.26 Kilkenny Masters
2821552 GM Kosten, A (2461) GM Lalic, B (2443) 1/2-1/2
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Nd5 e4 6.Nh4 O-O 7.Bg2 d6 8.a3 Bc5 9.O-O Re8 10.e3 Bb6 11.f3 Nxd5 12.cxd5 exf3 13.Nxf3 Ne5 14.Nxe5 dxe5 1/2-1/2
2015.06.27 TCh-FRA Cup Final 2015
3042180 FM Riff, V (2394) GM Kosten, A (2457) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.a4 Rb8 8.Nxe5 Nxe5 9.d4 Bxd4 10.Qxd4 d6 11.f4 Nc6 12.Qc3 Ne7 13.e5 Ne4 14.Qe1 Nc5 15.Ba2 Bf5 16.axb5 axb5 17.b4 Ne6 18.Bb2 O-O 19.Bxe6 Bxe6 20.Nd2 Bf5 21.Nf3 1/2-1/2
2014.06.03 TCh-FRA Top 12 2014
3187006 GM Kosten, A (2455) IM Velten, P (2429) 1-0
1.c4 e5 2.g3 Nc6 3.Bg2 Nf6 4.Nc3 Bc5 5.a3 a5 6.e3 d6 7.Nge2 O-O 8.O-O Bf5 9.d4 Ba7 10.h3 h6 11.Kh2 Re8 12.b3 exd4 13.exd4 Ne4 14.Be3 Nb8 15.Nxe4 Bxe4 16.Bxe4 Rxe4 17.Nc3 Re7 18.Qg4 Re6 19.d5 Rg6 20.Qe4 Bxe3 21.Qxe3 Nd7 22.Rae1 f5 23.Ne2 Rf6 24.Nf4 Nf8 25.Re2 Qd7 26.Rfe1 Rf7 27.Qc3 b6 28.Re3 Kh7 29.Ne6 Ng6 30.f4 Rg8 31.Qc2 Kh8 32.Qe2 Rf6 33.Nd4 Rf7 34.Qh5 Rf6 35.h4 Qf7 36.Qe2 Rc8 37.h5 Nf8 38.Re7 Qg8 39.Qd3 g5 40.Nxf5 gxf4 41.Rg7 1-0
2014.06.02 TCh-FRA Top 12 2014
3189444 GM Kosten, A (2455) FM Boyd, S (2264) 1-0
1.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.Bc4 Be7 6.O-O O-O 7.a4 c6 8.a5 Nxe4 9.Nxe4 d5 10.a6 exd4 11.axb7 Bxb7 12.Bxd5 cxd5 13.Ng3 d3 14.Qxd3 Nc5 15.Qd1 a5 16.Be3 f5 17.Nh5 Qe8 18.Nf4 Qf7 19.Ne5 Qf6 20.Bxc5 Bxc5 21.Nd7 Qc6 22.Nxc5 Qxc5 23.Ne6 Qb6 24.Nxf8 Rxf8 25.Qd2 d4 26.Rfe1 Qg6 27.f4 Be4 28.Re2 Qd6 29.Rd1 a4 30.Qxd4 Qxf4 31.Qc4+ Kh8 32.Qb4 Rb8 33.Qd6 Qxd6 34.Rxd6 Kg8 35.c3 Kf7 36.Red2 a3 37.bxa3 Rb3 38.Ra6 Ke7 39.a4 g5 40.Rh6 Rxc3 41.Rxh7+ Kf6 42.a5 Ra3 43.a6 Kg6 44.Ra7 Kh5 45.Kf2 Kg4 46.Re2 Kh5 47.Rb2 Kg4 48.h3+ Kf4 49.Re7 g4 50.hxg4 Kxg4 51.a7 Bd5 52.Rd2 Bc6 53.Kg1 Kg3 54.Rg7+ Kf4 55.Kh2 Be4 56.Rdd7 Ke3 57.Rg3+ Kf4 58.Rgg7 1-0
2014.05.31 TCh-FRA Top 12 2014
3189365 FM Taddei, B (2367) GM Kosten, A (2455) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 Qe7 7.Qe2 Nd5 8.c4 Nb6 9.Nc3 Bb7 10.Bd2 Qe6 11.O-O-O O-O-O 12.b3 Ba6 13.h4 Ba3+ 14.Kb1 Rhe8 15.f4 f6 16.Qe4 fxe5 17.f5 Qf7 18.Bg5 d5 19.cxd5 Bxf1 20.Bxd8 Ba6 21.Bg5 cxd5 22.Nxd5 Bb7 23.Nxb6+ axb6 24.Qc2 Bc5 25.Rhe1 e4 26.g4 e3 27.b4 Be4 28.Rd3 Bxd3 1/2-1/2
2014.05.29 TCh-FRA Top 12 2014
3189275 GM Fressinet, L (2711) GM Kosten, A (2455) 1-0
1.Nf3 Nf6 2.g3 d5 3.Bg2 Nbd7 4.d4 e6 5.O-O Be7 6.Nbd2 O-O 7.Re1 b6 8.e4 Nxe4 9.Nxe4 dxe4 10.Rxe4 Bb7 11.Re1 c5 12.Be3 Rc8 13.Qe2 Nf6 14.dxc5 Bxc5 15.Rad1 Qe7 16.Bg5 h6 17.Bf4 Rfd8 18.Rxd8+ Rxd8 19.Ne5 Bxg2 20.Kxg2 Qb7+ 21.Qf3 Qxf3+ 22.Kxf3 b5 23.Be3 Rc8 24.Bxc5 Rxc5 25.c3 Nd5 26.Nd3 Rc6 27.Re4 f6 28.a4 a6 29.Ke2 Kf7 30.Kd2 g5 31.Kc2 Rd6 32.Nc5 Rc6 33.b4 Nb6 34.Rd4 Nxa4 35.Nxa4 bxa4 36.Rd1 e5 37.Ra1 Ke6 38.Rxa4 e4 39.Kb3 Kf5 40.c4 Kg4 41.b5 axb5 42.cxb5 Rb6 43.Rxe4+ Kf3 44.Rb4 f5 45.Kc4 Kxf2 46.Kc5 Rb8 47.Kd6 Kg2 48.Rb2+ Kf3 49.b6 f4 50.gxf4 gxf4 51.Kc7 Rf8 52.b7 h5 53.b8=Q Rxb8 54.Kxb8 Ke4 55.Kc7 f3 56.Kd6 h4 57.Rb4+ Ke3 58.Ke5 f2 59.Re4+ Kd3 60.Rf4 Ke2 61.Kf5 f1=Q 62.Rxf1 Kxf1 63.Kg4 Kf2 64.Kxh4 1-0
2014.05.28 TCh-FRA Top 12 2014
3189259 GM Kosten, A (2455) IM Riff, JN (2458) 1/2-1/2
1.Nf3 d5 2.c4 c6 3.b3 Nf6 4.Bb2 e6 5.g3 Be7 6.Bg2 O-O 7.O-O a5 8.Nc3 Nbd7 9.cxd5 exd5 10.d3 Re8 11.Qc2 Bd6 12.e4 dxe4 13.dxe4 Qe7 14.Rad1 Bc7 15.Nd4 Nf8 16.h3 Rd8 17.Rfe1 Bb6 18.Na4 Ba7 19.Re2 Be6 20.Red2 Ne8 21.Kh2 f6 22.Qc1 Nc7 23.Ba3 Qf7 24.Bc5 Bxc5 25.Nxc5 Bc8 26.Bf1 Kh8 27.Nf3 Re8 28.Nh4 Qe7 29.Bg2 Na6 30.Na4 Be6 31.Nf5 Bxf5 32.exf5 Rad8 33.Bf1 Nb4 34.Re1 Qc7 35.Rxe8 Rxe8 36.a3 Na6 37.Bxa6 bxa6 38.Qc4 h6 39.Nc5 Qe5 40.Nb7 Qe1 41.Qc2 Qf1 42.Qd3 Qc1 43.Qc2 Qf1 44.Rd1 Qb5 45.Nd6 Re2 46.Rd2 Rxd2 47.Qxd2 Qxb3 48.Qxa5 Qd5 49.Qd8 Kg8 1/2-1/2
2014.05.27 TCh-FRA Top 12 2014
3189189 GM Gordon, S (2493) GM Kosten, A (2455) 1-0
1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.O-O Be7 5.c4 O-O 6.b3 c5 7.cxd5 Nxd5 8.Bb2 Nc6 9.d4 b6 10.Nc3 Nxc3 11.Bxc3 Ba6 12.Ne5 Nxe5 13.Bxa8 cxd4 14.Qxd4 Qxa8 15.Qxe5 Bf6 16.Qe3 Bxc3 17.Qxc3 Bxe2 18.Rfe1 Bf3 19.Re3 Bd5 20.Rc1 h6 21.Rd3 Be4 22.Rd2 Bh1 23.f4 Bd5 24.h3 Qb7 25.Kh2 Qe7 26.Qd4 Rd8 27.g4 Qa3 28.Rc3 Qe7 29.Kg3 Rf8 30.Qe3 Ba8 31.h4 Qb7 32.h5 Qh1 33.Rh2 Qd1 34.Rc1 Qd6 35.Rd2 Qa3 36.Rc7 Bd5 37.Rdc2 Qa6 38.Qe2 Qa3 39.Rc8 Qd6 40.Qe5 Qb4 41.g5 Kh7 42.Rxf8 Qxf8 43.Rc7 hxg5 44.fxg5 Kg8 45.h6 gxh6 46.gxh6 Kh7 47.Rc8 1-0
2014.05.25 TCh-FRA Top 12 2014
3190932 GM Kosten, A (2455) FM Heinz, Ti (2322) 1-0
1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 g6 5.d4 Bg7 6.Bd3 O-O 7.O-O a6 8.h3 Nbd7 9.Re1 dxc4 10.Bxc4 c5 11.a4 cxd4 12.exd4 Nb6 13.Bb3 Nbd5 14.Nxd5 Nxd5 15.Bxd5 Qxd5 16.Rxe7 Be6 17.Bf4 Rfd8 18.Rc1 Bxd4 19.Nxd4 Qxd4 20.Re8+ Kg7 21.Qxd4+ Rxd4 22.Be5+ f6 23.Rc7+ Kh6 24.Rxa8 fxe5 25.Rh8 1-0
2014.05.24 TCh-FRA Top 12 2014
3190907 GM Kosten, A (2455) GM Bunzmann, D (2464) 1/2-1/2
1.Nf3 d5 2.c4 e6 3.g3 a6 4.b3 b5 5.Bg2 Nf6 6.O-O Be7 7.d4 Bb7 8.cxd5 Nxd5 9.Bb2 O-O 10.Nbd2 Nd7 11.e4 N5f6 12.Qe2 c5 13.Rfd1 Rc8 14.a4 b4 15.Nc4 Bxe4 16.dxc5 Bd5 17.Nd4 Nxc5 18.Nf5 exf5 19.Bxd5 Nxd5 20.Ne3 Nc3 21.Bxc3 bxc3 22.Rxd8 Rfxd8 23.Qc2 Bf6 24.b4 Ne6 25.Qxf5 Nd4 26.Qg4 h5 27.Qxh5 c2 28.Rc1 Rc3 29.Kg2 1/2-1/2
2013.08.09 100th ch-GBR 2013
3282478 Wadsworth, Matthew J (2136) GM Kosten, A (2458) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Re1 d6 8.c3 O-O 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.d5 Re8 13.b3 Bd7 14.Nbd2 c4 15.b4 Nb7 16.a4 a5 17.bxa5 Rxa5 18.Bb2 bxa4 19.Bxa4 Rea8 20.Bxd7 Nxd7 21.Rxa5 Nxa5 22.Ba3 Nb3 23.Bb4 Nxd2 24.Qxd2 Nc5 25.Bxc5 Qxc5 26.Qb2 f5 27.Qb7 Ra7 28.Qb8+ Kf7 29.exf5 Ra2 30.Rf1 Qxd5 31.Qc7 Kf6 32.Rb1 Qc5 33.Qxc5 dxc5 34.g4 Ra6 35.Nd2 Kg5 36.Rb7 Bf6 37.Kg2 Kf4 38.Nxc4 Ra2 39.Rb2 Rxb2 40.Nxb2 e4 41.Na4 h5 42.Nxc5 hxg4 43.hxg4 Bxc3 44.Kf1 Kxg4 45.Nxe4 Be5 46.Ke2 1/2-1/2
2013.08.08 100th ch-GBR 2013
3282426 GM Kosten, A (2458) Weaving, Richard (2196) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.d4 Bg4 10.Be3 exd4 11.cxd4 Na5 12.Bc2 c5 13.Nbd2 cxd4 14.Bxd4 Nc6 15.Be3 d5 16.h3 Bh5 17.g4 Bg6 18.e5 Ne4 19.Nb3 f6 20.Nbd4 Nxd4 21.Nxd4 Qd7 22.e6 Qb7 23.Nf5 Rad8 24.Bd4 Rfe8 25.Bb3 Kh8 26.Nh4 Bb4 27.Nxg6+ hxg6 28.Re3 Rxe6 29.Qd3 Qc7 30.Qe2 Qf4 31.Rd1 Bd6 32.Qf3 Qh2+ 33.Kf1 Bf4 34.Red3 Rde8 35.Bxd5 R6e7 36.Qg2 Ng5 37.Qxh2 Bxh2 38.Be3 Ne6 39.Bc6 Rc8 40.Bf3 Be5 41.b3 Kg8 42.Rd7 Rc7 43.Rxe7 Rxe7 44.Bd5 Kf8 45.Rc1 Ke8 46.Rc6 Nc7 47.Be4 Kd7 48.Rc2 g5 49.Bc5 Re8 50.Rd2+ Kc8 51.Bg6 Rh8 52.Kg2 Kb7 53.Be4+ Kb8 54.Bf5 g6 55.Bxg6 Ne6 56.Be3 Nf4+ 57.Bxf4 Bxf4 58.Rd7 Rc8 59.Bf5 Rc7 60.Rd8+ Kb7 61.Be4+ Kb6 62.Rf8 Be5 63.f4 gxf4 64.h4 Rc3 65.h5 Rg3+ 66.Kf1 Bd4 67.Rd8 Be3 68.Ke2 Rh3 69.Rd6+ Kc5 70.Rd5+ Kb4 71.Bg2 f3+ 72.Bxf3 Bg5 73.Kf2 Bh4+ 74.Ke3 Bg5+ 75.Ke4 Rh2 76.Kf5 Rxa2 77.Rd3 Rh2 78.Bd5 a5 79.Be6 Re2 80.Bd7 Kc5 81.Kg6 Rh2 82.Rf3 Rh4 83.Kf5 Rh2 84.Rd3 Rh1 85.Be6 Rh2 86.Rd5+ Kc6 87.Kg6 Rh3 88.Rxg5 fxg5 89.h6 Kd6 90.Bg8 a4 91.bxa4 bxa4 92.Kxg5 Ke7 93.Kg6 Kf8 94.Bc4 a3 95.g5 Rg3 96.Bd5 Rg1 97.h7 Rxg5+ 98.Kxg5 Kg7 1/2-1/2
2013.08.07 100th ch-GBR 2013
3282391 Weller, Jean-Luc (2172) GM Kosten, A (2458) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.Bd2 O-O 7.a3 Bxc3 8.Bxc3 Qe7 9.e4 e5 10.d5 Nd4 11.Nxd4 exd4 12.Bxd4 Nxe4 13.O-O-O Nc5 14.Bxc5 dxc5 15.Bd3 h6 16.Rde1 Qd6 17.g3 Bd7 18.f4 Rfe8 19.Qc3 c6 20.Re5 f6 21.Rxe8+ Rxe8 22.Bg6 Rf8 23.Be4 Re8 24.Qd3 b6 25.Rd1 Bg4 26.Bf3 Bxf3 27.Qxf3 cxd5 28.Qxd5+ Qxd5 29.Rxd5 Re2 30.Rd2 Re4 31.b3 h5 32.Rd8+ Kf7 33.Kd2 Re7 34.f5 g6 35.fxg6+ Kxg6 36.Rd5 f5 37.h4 Kf6 38.b4 cxb4 39.axb4 Re4 40.Kc3 Re3+ 41.Rd3 Rxd3+ 42.Kxd3 Ke5 43.Ke3 a5 44.c5 a4 45.cxb6 Kd6 46.Kd3 Kc6 47.Kc3 Kxb6 48.Kb2 Kc6 49.Ka2 Kb6 1/2-1/2
2013.08.06 100th ch-GBR 2013
3282351 GM Kosten, A (2458) GM Gordon, S (2521) 0-1
1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.Nf3 d6 6.O-O Bf5 7.b3 Qd7 8.Bb2 Bh3 9.e3 h5 10.d4 Bxg2 11.Kxg2 h4 12.dxc5 hxg3 13.fxg3 Qh3+ 14.Kg1 dxc5 15.Qe2 Nf6 16.Nd5 O-O 17.Ng5 Qh8 18.Rxf6 Bxf6 19.Nxf6+ exf6 20.Ne4 Ne5 21.Rf1 f5 22.Nxc5 Rfe8 23.Nxb7 Qh6 24.Nd6 Re6 25.c5 Ng4 26.e4 Rf8 27.Rf4 Qh5 28.b4 f6 29.b5 fxe4 30.Qxg4 Qxc5+ 31.Rf2 f5 32.Qh4 Rxd6 33.Qh6 Kf7 34.Qg7+ Ke8 35.Kg2 e3 36.Re2 Qd5+ 37.Kh3 f4 38.Qe5+ Qxe5 39.Bxe5 f3 40.Rxe3 Re6 0-1
2013.08.05 100th ch-GBR 2013
3286568 GM Lalic, B (2489) GM Kosten, A (2458) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 a6 6.Ne5 Bb4+ 7.Nc3 Nd5 8.Bd2 b5 9.a4 Bxc3 10.bxc3 f6 11.e4 Ne7 12.Ng4 Bb7 13.O-O O-O 14.Qb1 c6 15.Bc1 Rf7 16.Ne3 Ng6 17.Rd1 Nd7 18.Bh3 Ngf8 19.Ba3 Qc7 20.d5 exd5 21.exd5 Ne5 22.Bg2 1/2-1/2
2013.08.03 100th ch-GBR 2013
3286521 GM Kosten, A (2458) Osborne, M (2269) 1-0
1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 g6 5.O-O Bg7 6.d4 O-O 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Be3 d5 10.Rc1 dxc4 11.Rxc4 Bd5 12.Rc1 a5 13.Qa4 Na6 14.Rfd1 Qe8 15.Qxe8 Rfxe8 16.a3 Red8 17.Bf4 c5 18.dxc5 bxc5 19.Ne5 Bxg2 20.Rxd8+ Rxd8 21.Kxg2 g5 22.Nc6 Rd7 23.Bxg5 Bxb2 24.Rb1 Bxa3 25.Nxe7+ Kf8 26.Rb6 Ra7 27.Nc6 Ra8 28.Nxa5 Nc7 29.Nc4 Bb4 30.Rb7 Ne6 31.Bh6+ Kg8 32.Nd6 Nd8 33.Re7 Ne6 34.Ne4 Ng7 35.Nf6+ Kf8 36.Rc7 1-0
2013.08.02 100th ch-GBR 2013
3286462 GM Wells, Peter K (2479) GM Kosten, A (2458) 1-0
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.g3 d5 6.Bg2 dxc4 7.Qc2 Nc6 8.Qxc4 Qd5 9.Qd3 O-O 10.O-O Rd8 11.Nc3 Qh5 12.Bg5 Be7 13.Qb5 Ra6 14.Bxf6 Qxb5 15.Nxb5 Bxf6 16.a4 Rb6 17.Rfd1 Bd7 18.Nd2 Rc8 19.Rac1 g6 20.Ne4 Be7 21.Nc5 Be8 22.Nxb7 Nd8 23.Nxa5 Bxb5 24.axb5 Rxb5 25.Nc4 Rcb8 26.Rc2 Kg7 27.e3 h5 28.h4 f5 29.Ra1 Nf7 30.Ra7 Bd8 31.Ra6 g5 32.hxg5 Nxg5 33.f4 Nf7 34.Rxe6 h4 35.gxh4 Bxh4 36.Bc6 Rb4 37.Be8 Nd8 38.Rg6+ Kf8 39.Bd7 1-0
2013.08.01 100th ch-GBR 2013
3286409 GM Gormally, D (2496) GM Kosten, A (2458) 0-1
1.d4 Nf6 2.Nf3 e6 3.g3 d5 4.c4 Bb4+ 5.Nc3 dxc4 6.Bg2 Nc6 7.O-O O-O 8.Re1 Rb8 9.e4 b5 10.e5 Nd5 11.Ng5 h6 12.Nge4 Be7 13.Qh5 Nxd4 14.Bxh6 gxh6 15.Rad1 c5 16.Rxd4 cxd4 17.Qxh6 Re8 18.Nd6 Bf8 19.Qh5 Bxd6 20.Re4 Bxe5 21.Rxe5 dxc3 0-1
2013.07.31 100th ch-GBR 2013
3286367 GM Kosten, A (2458) Varnam, L (2107) 1-0
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.d3 Nge7 7.Nd2 d6 8.Nf1 O-O 9.Ne3 a6 10.Ned5 Nxd5 11.Nxd5 Rb8 12.O-O Ne7 13.Bg5 f6 14.Bd2 Nxd5 15.Bxd5+ Kh8 16.a3 f5 17.b4 b6 18.Rb1 Qc7 19.e3 Bb7 20.Qf3 Rfe8 21.Bxb7 Rxb7 22.e4 Qc6 23.Qg2 Rc8 24.Rfc1 Kg8 25.a4 cxb4 26.Rxb4 fxe4 27.dxe4 Qd7 28.Qf1 Bf8 29.Be3 a5 30.Rb5 Qc6 31.Qd3 Be7 32.f3 Kg7 33.Kg2 Bd8 34.Qb3 Bc7 35.c5 dxc5 36.Bxc5 Bd8 37.Bf8+ Kxf8 38.Rxc6 Rxc6 39.Qd5 Rc2+ 40.Kh3 Rb8 41.Qd6+ 1-0
2013.07.30 100th ch-GBR 2013
3286313 Yeo, M (2170) GM Kosten, A (2458) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 6.d4 Na5 7.Bd3 d6 8.dxe5 dxe5 9.Nxe5 Nf6 10.O-O O-O 11.Qc2 c5 12.Nd2 Qc7 13.f4 b6 14.Nec4 Nxc4 15.Bxc4 Bb7 16.e5 Qc6 17.Nf3 Ne4 18.Re1 Rad8 19.Bd3 Rxd3 20.Qxd3 c4 21.Qc2 Nc5 22.Nd4 Qc7 23.Re2 Nd3 24.Be3 Bc5 25.Rf1 Qd7 26.a4 Qg4 27.h3 Qg6 28.Kh2 Qe4 29.Bg1 Qd5 30.Nf5 Qd7 31.Bxc5 Nxc5 32.Nd6 Bc6 33.Qf5 Qxf5 34.Nxf5 Bxa4 35.Ra1 a5 36.Nd6 Bc6 37.f5 Rd8 38.Re3 Bd5 39.Rb1 f6 40.e6 Rxd6 41.e7 Bf7 42.e8=Q+ Bxe8 43.Rxe8+ Kf7 44.Rbe1 Rd7 45.Rh8 Ra7 1/2-1/2
2013.07.29 100th ch-GBR 2013
3290269 GM Kosten, A (2458) Mercs, P (2109) 1-0
1.Nf3 c5 2.c4 Nc6 3.g3 g6 4.Bg2 Bg7 5.O-O e5 6.Nc3 d6 7.a3 Nge7 8.b4 O-O 9.Rb1 f5 10.Ne1 e4 11.Bb2 cxb4 12.axb4 Nxb4 13.Nxe4 d5 14.Bxg7 Kxg7 15.Ng5 a5 16.Qa4 Ra6 17.Nc2 Nec6 18.cxd5 Qxg5 19.dxc6 Nxc6 20.d4 Rd8 21.d5 Ne7 22.Ne3 Qf6 23.Rfc1 Bd7 24.Qf4 b5 25.Qc7 Qb6 26.d6 Nc8 27.Rc6 1-0
2013.06.09 French Top 12 2013
3318112 GM Edouard, R (2659) GM Kosten, A (2479) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.cxd5 exd5 9.dxc5 Bxc3 10.bxc3 Bg4 11.h3 Bxf3 12.Qxf3 Ne5 13.Qf5 Re8 14.Bb5 Re6 15.Qc2 Ne4 16.f3 Nxc5 17.Ba3 Qb6 18.Rab1 Qc7 19.Qd2 Rd8 20.Qd4 b6 21.Rbd1 a6 22.Be2 Nc6 23.Qd2 Qe5 24.Bc1 b5 25.Qc2 Na4 26.Rd3 Nb6 27.f4 Qc7 28.Qd1 Ne7 29.Bf3 Qc5 30.Kh2 Red6 31.Qe2 f5 32.Bd2 Nc4 33.Be1 Re8 34.Bf2 Qc8 35.Rfd1 Nb6 36.Qc2 Rc6 37.Qb3 Rc4 38.Bh5 Ng6 39.Qa3 Kh8 40.Bf3 Ne7 41.Bh5 Ng6 42.Bf3 Ne7 43.Bh5 1/2-1/2
2013.06.08 French Top 12 2013
3318031 GM Wirig, A (2498) GM Kosten, A (2479) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.Bd2 O-O 7.a3 Bxc3 8.Bxc3 a5 9.e3 a4 10.Be2 Qe7 11.O-O e5 12.dxe5 dxe5 13.Nd2 Bg4 14.Bd3 Bh5 15.Ne4 Bg6 16.Nxf6+ Qxf6 17.Rad1 Bxd3 18.Rxd3 Qg6 19.Rfd1 Qe4 20.Bb4 Nxb4 21.axb4 a3 22.bxa3 Rxa3 23.Rc3 Qxc2 1/2-1/2
2013.06.07 French Top 12 2013
3318007 GM Kosten, A (2479) IM Roos, Louis1 (2373) 1-0
1.c4 Nf6 2.g3 c6 3.Nf3 d5 4.Bg2 e6 5.O-O b5 6.b3 Nbd7 7.Na3 Qa5 8.Nc2 bxc4 9.bxc4 Ba6 10.cxd5 cxd5 11.d3 Bd6 12.Bd2 Qa4 13.Nb4 Bb5 14.Nd4 Qxd1 15.Raxd1 Ba4 16.Rb1 O-O 17.Na6 Rfc8 18.Bb4 Bxb4 19.Rxb4 Nb6 20.f4 g6 21.Bh3 Rc3 22.g4 Re8 23.Rb2 Kf8 24.Nf3 Ke7 25.f5 g5 26.fxe6 fxe6 27.Ne5 Rec8 28.Bg2 Rc2 29.Rfb1 Be8 30.d4 Rxb2 31.Rxb2 Rc1+ 32.Kf2 Rd1 33.e3 Nc4 34.Nxc4 dxc4 35.Bf3 Ra1 36.Nc5 Nd5 37.Rb7+ Kf6 38.Rxa7 Nb4 39.Ne4+ Kg6 40.Nd6 Bc6 41.Nxc4 Nd3+ 42.Ke2 Nc1+ 43.Kd2 Bxf3 44.Ne5+ Kh6 45.Nxf3 Rxa2+ 46.Rxa2 Nxa2 47.e4 Kg6 48.Ne5+ Kf6 49.Nd3 1-0
2013.06.06 French Top 12 2013
3317945 GM Maze, S (2543) GM Kosten, A (2479) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.Bxc6 dxc6 6.Qe2 Qe7 7.Be3 Bg4 8.Nbd2 Nd7 9.h3 Bh5 10.Nc4 f6 11.a3 a5 12.O-O O-O 13.Rfe1 b5 14.Ncd2 a4 15.Nf1 Rfd8 16.Ng3 Bxf3 17.Qxf3 Bxe3 18.fxe3 c5 19.Rf1 Nb6 20.Rf2 Nc8 21.h4 Nd6 22.h5 h6 23.Raf1 Qe6 24.c3 Re8 25.Re2 Rad8 26.d4 cxd4 27.exd4 exd4 28.cxd4 Nf7 29.Qc3 Qg4 30.Re3 Ng5 31.Rfe1 Kh8 32.d5 Re5 33.Qc6 Qd7 34.Qxd7 Rxd7 35.Nf5 Nf7 36.g4 Nd6 37.Kf2 Rd8 38.Nxd6 cxd6 39.Rc1 Re7 40.Rc6 Rb7 41.Rec3 b4 42.Rc8 Rg8 43.R3c7 bxa3 44.Rxb7 Rxc8 45.bxa3 Rc3 46.Rd7 Rxa3 47.Rxd6 Kg8 48.Rd8+ Kf7 49.Rd7+ Kf8 50.Ra7 Ra1 51.Ke2 a3 52.Kf3 a2 53.Kg2 Ke8 1/2-1/2
2013.06.04 French Top 12 2013
3317848 GM Kosten, A (2479) GM Rapport, Richard (2674) 1/2-1/2
1.c4 g6 2.g3 Bg7 3.Bg2 Nc6 4.Nc3 a6 5.b3 b5 6.cxb5 axb5 7.Bb2 e6 8.Qc1 1/2-1/2
2013.06.03 French Top 12 2013
3320826 IM Debray, C (2356) GM Kosten, A (2479) 0-1
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d6 5.e4 c5 6.d5 O-O 7.Bd3 Nbd7 8.Ne2 Ne5 9.Bg5 b5 10.a3 bxc4 11.Bxc4 Bxc3+ 12.Qxc3 Nxe4 13.Bxd8 Nxc3 14.Bc7 Nxc4 15.Nxc3 exd5 16.O-O-O d4 17.b3 Nb6 18.Ne4 Bb7 19.Nxd6 Bxg2 20.Rhg1 Nd5 21.Ba5 Nf4 22.Kc2 Bf3 23.Rde1 Bh5 24.Kd2 Bg6 25.Rg3 f5 26.Re5 Rf6 27.Nb7 Ra6 28.Rxc5 Rb8 29.Bc7 Rxb7 30.Bxf4 Rxa3 31.Rc8+ Kf7 32.Rd3 Raxb3 33.Rxd4 Rb2+ 34.Rc2 Rxc2+ 35.Kxc2 Bh5 36.Rd5 Ke6 37.Rd6+ Ke7 38.Rc6 Bf3 39.Rc7+ Rxc7+ 40.Bxc7 g5 41.Kd3 Kd7 42.Ba5 f4 43.h4 g4 44.Be1 Ke6 45.Kd4 Kf5 46.Kd3 Ke5 47.Ba5 Be4+ 48.Ke2 Kd4 49.Bc7 Bd3+ 50.Kd2 Ke4 51.Ke1 Kf3 52.Bd6 a5 53.Bc5 a4 54.Bd6 Bb5 55.Kd2 0-1
2013.06.02 French Top 12 2013
3320800 GM Kosten, A (2479) FM Saada, J (2323) 0-1
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.O-O a6 7.Qxc4 b5 8.Qc2 Bb7 9.a4 c5 10.d3 Be7 11.axb5 axb5 12.Rxa8 Qxa8 13.Na3 Bc6 14.e4 O-O 15.Bf4 Rc8 16.Qd2 c4 17.Ne5 c3 18.Qe2 Nxe5 19.Bxe5 Bxa3 20.bxa3 Qxa3 21.Bxf6 gxf6 22.d4 Bd7 23.Qg4+ Kf8 24.Qf3 b4 25.Qxf6 b3 26.e5 Ke8 27.d5 Qe7 28.Qf4 exd5 29.Bxd5 b2 30.Qd4 Bf5 31.e6 fxe6 32.Ba2 Qc5 33.Qh8+ Kf7 34.Bxe6+ Bxe6 35.Qxh7+ Ke8 36.Qg6+ Bf7 37.Re1+ Kf8 38.Qh7 Qh5 39.Qe4 c2 40.Qb4+ Qc5 41.Qxb2 Qc3 0-1
2013.05.31 French Top 12 2013
3320705 IM Riff, JN (2458) GM Kosten, A (2479) 1/2-1/2
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 Bd7 10.h3 h6 11.b3 b6 12.Ne2 c5 13.Rd1 Kc8 14.Nf4 Bc6 15.Nd5 Ne7 16.c4 Kb7 17.Bb2 Rd8 18.Nxe7 1/2-1/2
2013.05.30 French Top 12 2013
3320616 GM Kosten, A (2479) IM Nezar, M (2396) 1/2-1/2
1.Nf3 d5 2.c4 c6 3.g3 Bg4 4.Bg2 e6 5.O-O Nf6 6.b3 Nbd7 7.Bb2 Bd6 8.d3 O-O 9.Nbd2 a5 10.h3 Bh5 11.Qc2 Qe7 12.e4 dxe4 13.dxe4 Bxf3 14.Nxf3 e5 15.Nh4 g6 16.Rad1 Bc5 17.Qd2 Rfd8 18.Kh2 Nh5 19.Qh6 Qf8 20.Qc1 Qe7 21.Bf3 Ng7 22.Qh6 Ne6 23.Bg4 Nd4 24.Nf3 Nxf3+ 25.Bxf3 Nf8 26.Kg2 f6 27.Bg4 1/2-1/2
2013.05.06 4ncl 2012-13
3331309 GM Arakhamia-Grant, K (2414) GM Kosten, A (2479) 1-0
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.c3 O-O 6.O-O d6 7.Nbd2 a6 8.Ba4 Ba7 9.h3 Ne7 10.Re1 Ng6 11.d4 b5 12.Bc2 Bb7 13.b3 Re8 14.Bb2 Nh5 15.Bd3 Nhf4 16.Bf1 exd4 17.cxd4 d5 18.e5 c5 19.g3 Ne6 20.h4 cxd4 21.b4 f6 22.exf6 Qxf6 23.Nb3 Rf8 24.Bg2 Rae8 25.Qd2 Qf5 26.Nbxd4 Nxd4 27.Bxd4 Bxd4 28.Nxd4 Qg4 29.Rxe8 Rxe8 30.Rc1 h6 31.Rc7 Re7 32.Rxb7 Rxb7 33.Bxd5+ Rf7 34.Nc6 Kf8 35.Bxf7 Kxf7 36.Qd5+ Ke8 37.Qd8+ Kf7 38.Qd5+ Ke8 39.h5 Nf4 1-0
2013.05.05 4ncl 2012-13
3331244 Jameson, D (2143) GM Kosten, A (2479) 1/2-1/2
1.d4 Nf6 2.c4 e6 3.Nf3 Nc6 4.Nc3 Bb4 5.Bd2 d5 6.e3 O-O 7.Rc1 dxc4 8.Bxc4 a6 9.Be2 Bd6 10.h3 e5 11.d5 Ne7 12.e4 Ng6 13.O-O Qe7 14.Re1 Nh5 15.Nh4 Qxh4 16.Bxh5 Ne7 17.Bg4 f5 18.exf5 Bxf5 19.Be3 Rad8 20.Bxf5 Nxf5 21.Qg4 Qxg4 22.hxg4 Nxe3 23.Rxe3 Bc5 24.Re2 Bd4 25.Kf1 Rf7 26.Rd1 Rd6 27.f3 b5 28.a3 Rfd7 29.Rde1 Rb6 30.Rc1 b4 31.axb4 Rxb4 32.Nd1 h6 33.Rc6 a5 34.Rd2 Kh7 35.Ke2 Rb5 36.Rdc2 Rb7 37.Ke1 Kg8 38.Ke2 Kf8 39.Ne3 Rxb2 40.Rxb2 Bxb2 41.Ra6 Bd4 42.Rxa5 Rd8 43.Nf5 Bg1 44.Ne3 Rb8 45.Nc4 Bd4 1/2-1/2
2013.05.04 4ncl 2012-13
3331180 GM Kosten, A (2479) IM Ansell, S (2377) 1/2-1/2
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O d6 7.d3 h6 8.Bd2 a5 9.a3 Bc5 10.Na4 Bg4 11.Nxc5 dxc5 12.Bc3 Re8 13.h3 Bh5 14.Nd2 Qd6 15.Ne4 Nxe4 16.Bxe4 Bg6 17.Bg2 Rad8 18.Qa4 Nd4 19.Rfe1 b6 20.e3 Nf5 21.Rad1 f6 22.b4 axb4 23.axb4 Rf8 24.Be4 Ne7 25.Bxg6 Nxg6 26.d4 Qe6 27.bxc5 bxc5 28.Kg2 cxd4 29.exd4 c6 30.dxe5 fxe5 31.Rxd8 Rxd8 32.Qa5 Rd3 33.Bxe5 Nh4+ 1/2-1/2
2013.01.13 4ncl 2012-13
3364619 GM Kosten, A (2479) Kirk, Ez (2258) 0-1
1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e4 c5 6.Nge2 Nc6 7.d3 Ne8 8.Be3 Nd4 9.Rb1 Nc7 10.b4 d6 11.bxc5 dxc5 12.O-O Rb8 13.h3 b6 14.f4 Bb7 15.a4 Qd7 16.e5 Bxg2 17.Kxg2 Nc6 18.Qd2 Rfd8 19.Rfd1 f6 20.exf6 exf6 21.g4 f5 22.gxf5 Qxf5 23.Ng3 Qd7 24.Nce4 Rf8 25.Rf1 Rbd8 26.Rbd1 Na6 27.Qe2 Nab4 28.Nf2 Ne7 29.a5 Nf5 30.Nxf5 Rxf5 31.axb6 axb6 32.Qf3 Qf7 33.Bc1 g5 34.Ne4 gxf4 35.Ng3 Qg6 36.Bxf4 Bh6 37.Qe4 Rxf4 38.Rxf4 Bxf4 39.Qxf4 Nxd3 40.Rxd3 Rxd3 41.Qb8+ Kf7 42.Qc7+ Ke8 43.Qb8+ Rd8 44.Qe5+ Kd7 45.h4 Qc6+ 46.Ne4 Re8 47.Qf5+ Kd8 48.Kf3 Qxe4+ 49.Qxe4 Rxe4 50.Kxe4 h5 51.Kd3 Kd7 52.Ke3 Kc6 53.Kd3 b5 54.cxb5+ Kxb5 55.Kc3 Kc6 56.Kc4 Kd6 57.Kc3 Ke5 0-1
2013.01.12 4ncl 2012-13
3364557 WFM Longson, Sarah N (2133) GM Kosten, A (2479) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.c3 a6 6.O-O Ba7 7.Bb3 d6 8.Be3 O-O 9.Nbd2 Ne7 10.Bxa7 Rxa7 11.d4 Ng6 12.Re1 h6 13.Nc4 Nd7 14.Qd2 Ra8 15.Rad1 Qf6 16.Ne3 Nb6 17.c4 Re8 18.dxe5 Nxe5 19.Nxe5 Rxe5 20.Nd5 Nxd5 21.exd5 Bf5 22.Rxe5 Qxe5 23.Re1 Qf6 24.Re3 Kf8 25.Ba4 Qh4 26.Qe2 b5 27.Bb3 bxc4 28.Bxc4 Qd4 29.h3 Bd7 30.Bb3 Re8 31.Rxe8+ Bxe8 32.Qxa6 Qxb2 33.Qc4 Qa1+ 34.Kh2 Qe5+ 35.Kg1 Qe1+ 36.Kh2 Qxf2 37.Qxc7 Qf4+ 38.Kg1 Qe3+ 39.Kh2 Qf4+ 40.Kg1 1/2-1/2
2012.11.04 4ncl 2012-13
3390576 Chapman, T (2279) GM Kosten, A (2479) 1/2-1/2
1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.d4 Be7 5.Bg2 O-O 6.O-O dxc4 7.Qc2 b5 8.a4 b4 9.Nbd2 Bb7 10.Nxc4 Be4 11.Qd1 c5 12.dxc5 Nbd7 13.Nfe5 Bxg2 14.Kxg2 Qc7 15.Nxd7 Nxd7 16.Be3 Bxc5 17.Rc1 Rfd8 18.Qb3 Rac8 19.Bg5 Re8 20.Rfd1 Qb7+ 21.Qf3 Qxf3+ 22.exf3 Nb6 23.Nxb6 1/2-1/2
2012.11.03 4ncl 2012-13
3390484 IM Panjwani, R (2402) GM Kosten, A (2479) 1/2-1/2
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e6 6.Nge2 Nge7 7.Nf4 a6 8.b3 b5 9.Bb2 O-O 10.Rb1 Rb8 11.d3 d6 12.O-O Bd7 13.Qd2 e5 14.Nfd5 b4 15.Ne2 Nxd5 16.cxd5 Na5 17.Rbc1 Re8 18.f4 Qe7 19.e4 f5 20.Kh1 Nb7 21.Ng1 Nd8 22.Rce1 Nf7 23.exf5 Bxf5 24.d4 cxd4 25.Bxd4 Rec8 26.Ba1 Rc2 27.Qd1 Rxa2 28.fxe5 dxe5 29.g4 Bd7 30.d6 Nxd6 31.Bxe5 Bxe5 32.Qd5+ Qe6 33.Rxe5 Qxd5 34.Bxd5+ Kh8 35.Rf6 Re8 36.Rxe8+ Nxe8 37.Rf8+ Kg7 38.Rf7+ Kh6 39.Rxd7 Nf6 40.g5+ Kxg5 41.Rd8 Ng4 42.Nf3+ Kf4 43.Rf8+ Ke3 44.Re8+ Kf2 45.Ng1 Ne3 46.Rf8+ Nf5 47.Re8 Ne3 48.Rf8+ 1/2-1/2
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