Event: WCO
Site: Chennai, India
Date: 2022-08-06
White: Kasongo Kazadi Olivier
Black: Gontcharov Serguei
BlackElo: 1864
Result: 0-1
ECO: A57
Opening: Benko Gambit
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:28:39] } 1... Nf6 { [%eval 0.23] [%clk 1:30:53] } 2. c4 { [%eval 0.34] [%clk 1:27:54] } 2... c5 { [%eval 0.78] [%clk 1:31:16] } 3. d5 { [%eval 0.75] [%clk 1:28:06] } 3... b5 { [%eval 0.83] [%clk 1:31:41] } 4. e3?! { [%eval 0.13] } { Inaccuracy. cxb5 was best. } { [%clk 1:28:02] } 4... bxc4 { [%eval 0.54] [%clk 1:27:01] } 5. Bxc4 { [%eval 0.13] [%clk 1:28:10] } 5... d6 { [%eval 0.38] [%clk 1:26:36] } 6. Nc3 { [%eval 0.32] [%clk 1:28:14] } 6... g6 { [%eval 0.39] [%clk 1:26:37] } 7. e4 { [%eval 0.55] [%clk 1:27:33] } 7... Bg7 { [%eval 0.44] [%clk 1:24:20] } 8. Bd3 { [%eval -0.08] [%clk 1:27:39] } 8... Nbd7 { [%eval -0.01] [%clk 1:21:07] } 9. Nf3 { [%eval 0.1] [%clk 1:27:26] } 9... O-O { [%eval 0.08] [%clk 1:20:08] } 10. h3 { [%eval -0.04] [%clk 1:26:46] } 10... Nb6?! { [%eval 0.73] } { Inaccuracy. Rb8 was best. } { [%clk 1:16:59] } 11. g4?? { [%eval -0.97] } { Blunder. O-O was best. } { [%clk 1:25:29] } 11... e6 { [%eval -1.04] [%clk 1:15:00] } 12. Be3?? { [%eval -5.93] } { Blunder. dxe6 was best. } { [%clk 1:23:05] } 12... exd5 { [%eval -5.77] [%clk 1:14:50] } 13. exd5 { [%eval -5.98] [%clk 1:23:30] } 13... Bb7?! { [%eval -4.63] } { Inaccuracy. Nfxd5 was best. } { [%clk 1:09:21] } 14. Qb3? { [%eval -8.07] } { Mistake. O-O was best. } { [%clk 1:21:54] } 14... Nfxd5 { [%eval -8.14] [%clk 1:08:33] } 15. Ng5 { [%eval -11.58] [%clk 1:21:56] } 15... Nxe3 { [%eval -11.62] [%clk 1:07:33] } 16. Nxf7 { [%eval -13.15] [%clk 1:22:22] } 16... Rxf7 { [%eval -11.92] [%clk 1:07:26] } 17. fxe3 { [%eval -12.0] [%clk 1:22:46] } 17... Bxh1 { [%eval -12.23] [%clk 1:07:24] } 18. O-O-O { [%eval -12.18] [%clk 1:12:38] } 18... c4 { [%eval -11.59] [%clk 1:07:05] } 19. Bxc4 { [%eval -11.53] [%clk 1:12:53] } 19... Nxc4 { [%eval -11.38] [%clk 1:07:29] } 20. Qxc4 { [%eval -11.61] [%clk 1:13:14] } 20... Rc8 { [%eval -11.69] [%clk 1:06:48] } 21. Qb3 { [%eval -12.13] [%clk 1:13:31] } 21... Bg2 { [%eval -12.08] [%clk 1:04:18] } 22. Rg1 { [%eval -12.84] [%clk 1:10:41] } 22... Be4 { [%eval -12.07] [%clk 1:01:33] } 23. Rf1 { [%eval -12.77] [%clk 1:10:52] } 23... d5 { [%eval -12.16] [%clk 1:01:43] } 24. Rxf7 { [%eval -12.15] [%clk 1:11:09] } 24... Kxf7 { [%eval -12.04] [%clk 1:02:07] } 25. Kd2 { [%eval -13.07] [%clk 1:11:06] } 25... Bxc3+ { [%eval -12.9] [%clk 1:02:19] } 26. bxc3 { [%eval -12.94] [%clk 1:11:30] } 26... Qc7 { [%eval -13.18] [%clk 1:01:54] } 27. Qa3?! { [%eval #-18] } { Checkmate is now unavoidable. Qb4 was best. } { [%clk 1:11:28] } 27... Qh2+ { [%eval #-5] [%clk 1:00:38] } 28. Ke1 { [%eval #-5] [%clk 1:11:55] } 28... Rb8 { [%eval #-6] [%clk 0:54:35] } 29. Qxa7+ { [%eval #-6] [%clk 1:12:08] } 29... Kg8 { [%eval #-5] [%clk 0:54:52] } 0-1