Event: Round 7: Cogan, Nicolas - Nader Obeid
Date: 2025-05-18
White: Cogan, Nicolas
WhiteTitle: CM
WhiteElo: 2099
Black: Nader Obeid
BlackTitle: FM
BlackElo: 2069
Result: 0-1
ECO: D10
Opening: Slav Defense: Exchange Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:27:32] } 1... d5 { [%eval 0.2] [%clk 1:29:16] } 2. c4 { [%eval 0.18] [%clk 1:27:53] } 2... c6 { [%eval 0.21] [%clk 1:29:42] } 3. cxd5 { [%eval 0.15] [%clk 1:27:58] } 3... cxd5 { [%eval 0.19] [%clk 1:30:06] } 4. Bg5 { [%eval 0.03] [%clk 1:27:54] } 4... Bf5 { [%eval 0.4] [%clk 1:19:11] } 5. Nc3 { [%eval 0.1] [%clk 1:26:30] } 5... f6?! { [%eval 0.7] } { Inaccuracy. h6 was best. } { [%clk 1:18:59] } 6. Bd2 { [%eval 0.31] [%clk 1:26:21] } 6... Nc6 { [%eval 0.24] [%clk 1:17:36] } 7. e4 { [%eval 0.19] [%clk 1:24:09] } 7... dxe4 { [%eval 0.22] [%clk 1:14:08] } 8. d5 { [%eval 0.25] [%clk 1:23:51] } 8... Ne5 { [%eval 0.34] [%clk 1:13:47] } 9. Qa4+ { [%eval -0.16] [%clk 1:23:04] } 9... Kf7 { [%eval -0.19] [%clk 1:12:55] } 10. f3 { [%eval -0.12] [%clk 1:02:02] } 10... exf3 { [%eval -0.08] [%clk 1:08:10] } 11. Nxf3 { [%eval -0.09] [%clk 1:02:24] } 11... Nxf3+ { [%eval -0.2] [%clk 1:08:22] } 12. gxf3 { [%eval -0.23] [%clk 1:02:48] } 12... g6 { [%eval -0.28] [%clk 1:08:24] } 13. O-O-O { [%eval -0.77] [%clk 0:57:22] } 13... Bh6 { [%eval -0.27] [%clk 1:05:24] } 14. d6 { [%eval -0.36] [%clk 0:34:30] } 14... exd6 { [%eval 0.0] [%clk 1:00:03] } 15. Bc4+?! { [%eval -0.76] } { Inaccuracy. Qb3+ was best. } { [%clk 0:10:38] } 15... Kg7 { [%eval -0.93] [%clk 0:59:35] } 16. Qb4 { [%eval -0.72] [%clk 0:07:15] } 16... Rc8 { [%eval -0.76] [%clk 0:29:50] } 17. Bd3? { [%eval -2.01] } { Mistake. Rhe1 was best. } { [%clk 0:01:43] } 17... Bxd3 { [%eval -2.13] [%clk 0:27:36] } 18. Bxh6+ { [%eval -2.09] [%clk 0:02:02] } 18... Nxh6 { [%eval -2.02] [%clk 0:27:45] } 19. Rxd3 { [%eval -1.89] [%clk 0:02:31] } 19... Nf5 { [%eval -1.39] [%clk 0:27:21] } 20. Qxb7+ { [%eval -1.43] [%clk 0:01:34] } 20... Rc7 { [%eval -1.38] [%clk 0:27:02] } 21. Qb3 { [%eval -1.34] [%clk 0:00:52] } 21... Qe7 { [%eval -1.22] [%clk 0:22:26] } 22. Kb1 { [%eval -1.18] [%clk 0:01:11] } 22... Rb7 { [%eval -1.05] [%clk 0:22:22] } 23. Qa4 { [%eval -1.2] [%clk 0:00:33] } 23... Rhb8 { [%eval -1.1] [%clk 0:21:17] } 24. b3 { [%eval -1.01] [%clk 0:01:02] } 24... Rc8 { [%eval -1.09] [%clk 0:21:24] } 25. Qe4 { [%eval -1.03] [%clk 0:00:33] } 25... Qc7 { [%eval -0.98] [%clk 0:13:05] } 26. Rg1 { [%eval -0.96] [%clk 0:00:33] } 26... Kf8?! { [%eval -0.06] } { Inaccuracy. Qd7 was best. } { [%clk 0:07:58] } 27. Qe6 { [%eval -0.05] [%clk 0:00:33] } 27... Qc5 { [%eval 0.0] [%clk 0:03:29] } 28. Qxf6+ { [%eval 0.0] [%clk 0:00:47] } 28... Rf7 { [%eval 0.0] [%clk 0:03:31] } 29. Qh8+?? { [%eval -4.54] } { Blunder. Qg5 was best. } { [%clk 0:00:00] } 29... Ke7 { [%eval -4.45] [%clk 0:03:36] } 30. Nd5+ { [%eval -4.47] [%clk 0:00:46] } 30... Kd7 { [%eval -4.47] [%clk 0:03:45] } 31. Nf6+ { [%eval -4.72] [%clk 0:00:33] } 31... Rxf6 { [%eval -4.57] [%clk 0:02:43] } 32. Qxh7+ { [%eval -4.53] [%clk 0:00:53] } 32... Ne7 { [%eval -4.49] [%clk 0:03:01] } 33. Re1? { [%eval -8.27] } { Mistake. Qh3+ was best. } { [%clk 0:01:03] } 33... Re6 { [%eval -7.75] [%clk 0:02:12] } 34. Red1? { [%eval #-13] } { Checkmate is now unavoidable. Qh3 was best. } { [%clk 0:00:33] } 34... Qc2+ { [%eval #-12] [%clk 0:02:07] } 35. Ka1 { [%eval #-12] [%clk 0:01:02] } 35... Qe2?? { [%eval -5.08] } { Lost forced checkmate sequence. Re2 was best. } { [%clk 0:01:55] } 36. Qh4 { [%eval -5.01] [%clk 0:00:33] } 36... Rc2 { [%eval -5.05] [%clk 0:00:58] } 37. Qa4+ { [%eval -5.0] [%clk 0:00:36] } 37... Nc6 { [%eval -4.8] [%clk 0:01:11] } 38. f4?? { [%eval #-4] } { Checkmate is now unavoidable. Kb1 was best. } { [%clk 0:00:32] } 38... Qxd3 { [%eval #-3] [%clk 0:01:13] } 0-1