Event: Round 4: Nicolas Cogan - Lobognon Anderson Olivier Mambe
Date: 2023-07-04
White: Nicolas Cogan
Black: Lobognon Anderson Olivier Mambe
Result: 1-0
ECO: A42
Opening: Modern Defense: Averbakh System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... g6?! { [%eval 0.68] } { Inaccuracy. Nf6 was best. } { [%clk 1:30:51] } 2. c4 { [%eval 0.25] [%clk 1:31:02] } 2... Bg7 { [%eval 0.65] [%clk 1:30:50] } 3. e4 { [%eval 0.64] [%clk 1:31:15] } 3... d6 { [%eval 0.63] [%clk 1:30:58] } 4. Nc3 { [%eval 0.43] [%clk 1:31:38] } 4... c6 { [%eval 0.66] [%clk 1:28:50] } 5. f4 { [%eval 0.37] [%clk 1:30:32] } 5... Qb6 { [%eval 0.0] [%clk 1:28:49] } 6. Nf3 { [%eval 0.5] [%clk 1:27:17] } 6... Bg4 { [%eval 0.0] [%clk 1:28:54] } 7. Na4 { [%eval 0.58] [%clk 1:18:02] } 7... Qc7 { [%eval 0.99] [%clk 1:27:55] } 8. Be3 { [%eval 0.76] [%clk 1:17:40] } 8... Nf6 { [%eval 0.96] [%clk 1:25:52] } 9. Nc3 { [%eval 0.92] [%clk 1:16:18] } 9... Qb6 { [%eval 1.24] [%clk 1:25:15] } 10. Rb1 { [%eval 1.44] [%clk 1:14:49] } 10... O-O { [%eval 1.4] [%clk 1:25:00] } 11. h3 { [%eval 0.91] [%clk 1:12:13] } 11... Bc8?! { [%eval 2.06] } { Inaccuracy. Bxf3 was best. } { [%clk 1:24:22] } 12. Bd3 { [%eval 1.88] [%clk 1:09:34] } 12... Nh5 { [%eval 2.48] [%clk 1:22:00] } 13. g4 { [%eval 2.55] [%clk 1:03:56] } 13... Nf6 { [%eval 2.43] [%clk 1:21:37] } 14. Qd2 { [%eval 2.3] [%clk 1:03:15] } 14... Nbd7 { [%eval 2.62] [%clk 1:16:59] } 15. O-O { [%eval 2.64] [%clk 0:59:28] } 15... Rd8 { [%eval 2.67] [%clk 1:14:59] } 16. b4 { [%eval 2.38] [%clk 0:57:06] } 16... a6?! { [%eval 3.41] } { Inaccuracy. Qc7 was best. } { [%clk 1:14:42] } 17. Rf2?! { [%eval 2.32] } { Inaccuracy. e5 was best. } { [%clk 0:49:25] } 17... Nf8 { [%eval 2.9] [%clk 1:12:37] } 18. Rg2?! { [%eval 2.1] } { Inaccuracy. e5 was best. } { [%clk 0:48:45] } 18... Rb8?! { [%eval 2.79] } { Inaccuracy. Qc7 was best. } { [%clk 1:11:37] } 19. a3 { [%eval 2.4] [%clk 0:44:33] } 19... Ra8 { [%eval 2.93] [%clk 1:09:23] } 20. f5 { [%eval 3.08] [%clk 0:37:10] } 20... Qc7 { [%eval 2.86] [%clk 1:06:31] } 21. Bf4 { [%eval 2.22] [%clk 0:34:13] } 21... Qb6?! { [%eval 3.15] } { Inaccuracy. b5 was best. } { [%clk 1:06:08] } 22. c5 { [%eval 3.11] [%clk 0:29:43] } 22... Qc7 { [%eval 3.55] [%clk 1:01:23] } 23. Bc4 { [%eval 3.84] [%clk 0:26:49] } 23... Qd7 { [%eval 4.29] [%clk 1:00:09] } 24. Qa2?! { [%eval 2.7] } { Inaccuracy. e5 was best. } { [%clk 0:22:54] } 24... d5 { [%eval 2.6] [%clk 0:59:14] } 25. Ne5 { [%eval 2.84] [%clk 0:21:37] } 25... Qe8 { [%eval 2.91] [%clk 0:55:59] } 26. exd5 { [%eval 2.78] [%clk 0:21:38] } 26... cxd5 { [%eval 2.95] [%clk 0:55:11] } 27. Bd3 { [%eval 2.3] [%clk 0:17:54] } 27... e6 { [%eval 2.87] [%clk 0:53:59] } 28. fxg6 { [%eval 2.26] [%clk 0:17:32] } 28... Nxg6 { [%eval 2.21] [%clk 0:53:21] } 29. Qf2 { [%eval 2.24] [%clk 0:14:27] } 29... Nxf4?! { [%eval 3.21] } { Inaccuracy. Nd7 was best. } { [%clk 0:52:00] } 30. Qxf4 { [%eval 3.52] [%clk 0:14:51] } 30... Nd7 { [%eval 3.51] [%clk 0:51:51] } 31. Rf1? { [%eval 2.09] } { Mistake. g5 was best. } { [%clk 0:13:33] } 31... Nxe5? { [%eval 4.0] } { Mistake. f6 was best. } { [%clk 0:52:00] } 32. dxe5 { [%eval 4.03] [%clk 0:13:56] } 32... Rd7?! { [%eval 5.07] } { Inaccuracy. Qe7 was best. } { [%clk 0:50:20] } 33. g5 { [%eval 5.25] [%clk 0:11:01] } 33... Kh8 { [%eval 6.14] [%clk 0:50:42] } 34. Rg4 { [%eval 5.24] [%clk 0:10:26] } 34... Qf8 { [%eval 5.69] [%clk 0:50:20] } 35. Rh4 { [%eval 5.86] [%clk 0:09:31] } 35... a5?! { [%eval 9.86] } { Inaccuracy. Qg8 was best. } { [%clk 0:50:22] } 36. Rxh7+ { [%eval 9.14] [%clk 0:05:16] } 36... Kg8 { [%eval 9.04] [%clk 0:50:33] } 37. Qh4 { [%eval 15.11] [%clk 0:05:15] } 37... Qd8?! { [%eval #7] } { Checkmate is now unavoidable. f5 was best. } { [%clk 0:50:39] } 38. Rxg7+ { [%eval #6] [%clk 0:02:59] } 38... Kxg7 { [%eval #6] [%clk 0:49:26] } 39. Qh6+ { [%eval #5] [%clk 0:03:01] } 39... Kg8 { [%eval #5] [%clk 0:47:09] } 40. Bh7+ { [%eval #4] [%clk 0:03:12] } 1-0