Event: Round 9: Koseoglu, Omer Umut - Ersoz, Teoman Guney
Date: 2025-07-27
White: Koseoglu, Omer Umut
WhiteElo: 1867
Black: Ersoz, Teoman Guney
BlackTitle: CM
BlackElo: 2052
Result: 0-1
ECO: A57
Opening: Benko Gambit Accepted: Dlugy Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:29:32] } 2. c4 { [%eval 0.18] [%clk 1:26:52] } 2... c5 { [%eval 0.56] [%clk 1:29:51] } 3. d5 { [%eval 0.47] [%clk 1:27:12] } 3... b5 { [%eval 0.47] [%clk 1:30:17] } 4. cxb5 { [%eval 0.47] [%clk 1:27:31] } 4... a6 { [%eval 0.6] [%clk 1:30:41] } 5. f3?! { [%eval 0.0] } { Inaccuracy. bxa6 was best. } { [%clk 1:27:53] } 5... axb5 { [%eval 0.04] [%clk 1:31:06] } 6. e4 { [%eval 0.06] [%clk 1:28:02] } 6... Qa5+ { [%eval 0.0] [%clk 1:31:28] } 7. Bd2 { [%eval 0.11] [%clk 1:28:19] } 7... b4 { [%eval 0.0] [%clk 1:31:53] } 8. Na3 { [%eval -0.01] [%clk 1:28:36] } 8... e6 { [%eval 0.01] [%clk 1:31:57] } 9. Nc4 { [%eval 0.06] [%clk 1:25:06] } 9... Qc7 { [%eval 0.08] [%clk 1:32:24] } 10. Bg5 { [%eval 0.0] [%clk 1:24:09] } 10... exd5 { [%eval 0.12] [%clk 1:32:48] } 11. exd5 { [%eval 0.13] [%clk 1:23:04] } 11... d6 { [%eval 0.19] [%clk 1:33:15] } 12. Qe2+ { [%eval -0.13] [%clk 1:16:06] } 12... Be7 { [%eval 0.0] [%clk 1:31:49] } 13. Bxf6 { [%eval 0.03] [%clk 1:16:27] } 13... gxf6 { [%eval 0.01] [%clk 1:32:12] } 14. Qe4?! { [%eval -0.7] } { Inaccuracy. Qd2 was best. } { [%clk 1:15:35] } 14... Nd7 { [%eval -0.68] [%clk 1:29:22] } 15. Ne2?! { [%eval -1.42] } { Inaccuracy. Qc2 was best. } { [%clk 1:12:55] } 15... f5 { [%eval -1.27] [%clk 1:23:55] } 16. Qe3 { [%eval -1.6] [%clk 1:02:45] } 16... Ne5?! { [%eval -0.87] } { Inaccuracy. Nb6 was best. } { [%clk 1:06:44] } 17. Ng3 { [%eval -0.85] [%clk 0:58:55] } 17... Ng6 { [%eval -0.88] [%clk 1:02:55] } 18. Nh5 { [%eval -0.69] [%clk 0:57:32] } 18... Kd8 { [%eval -0.39] [%clk 0:58:32] } 19. Be2 { [%eval -0.48] [%clk 0:50:20] } 19... Bh4+ { [%eval -0.24] [%clk 0:50:06] } 20. g3 { [%eval -0.34] [%clk 0:48:11] } 20... Re8 { [%eval -0.42] [%clk 0:46:33] } 21. Qd2 { [%eval -0.52] [%clk 0:41:37] } 21... Qe7 { [%eval -0.47] [%clk 0:40:26] } 22. Kf2?! { [%eval -1.44] } { Inaccuracy. a3 was best. } { [%clk 0:40:23] } 22... f4 { [%eval -1.58] [%clk 0:28:35] } 23. gxh4?? { [%eval -3.97] } { Blunder. Bd3 was best. } { [%clk 0:32:47] } 23... Qxh4+ { [%eval -3.77] [%clk 0:28:57] } 24. Ng3 { [%eval -3.62] [%clk 0:33:14] } 24... Ba6 { [%eval -3.52] [%clk 0:28:20] } 25. Kg2?! { [%eval -4.72] } { Inaccuracy. b3 was best. } { [%clk 0:29:47] } 25... fxg3 { [%eval -4.81] [%clk 0:27:39] } 26. hxg3 { [%eval -4.79] [%clk 0:29:47] } 26... Nf4+ { [%eval -4.61] [%clk 0:22:32] } 27. Kf2 { [%eval -4.58] [%clk 0:30:07] } 27... Qxh1? { [%eval -2.49] } { Mistake. Rxe2+ was best. } { [%clk 0:17:40] } 28. Rxh1 { [%eval -2.46] [%clk 0:30:35] } 28... Rxe2+ { [%eval -2.42] [%clk 0:18:09] } 29. Qxe2 { [%eval -2.31] [%clk 0:30:55] } 29... Nxe2 { [%eval -2.41] [%clk 0:18:36] } 30. Rxh7?? { [%eval -4.95] } { Blunder. Nxd6 was best. } { [%clk 0:31:17] } 30... Ke7 { [%eval -4.73] [%clk 0:18:40] } 31. Ne3 { [%eval -5.72] [%clk 0:31:25] } 31... Nd4 { [%eval -4.9] [%clk 0:19:01] } 32. Ng4 { [%eval -5.89] [%clk 0:31:49] } 32... Bb7 { [%eval -5.58] [%clk 0:19:01] } 0-1