Event: Round 7: Kostyukovich, Ivan - Yao, Lucas Mason Pin Qian
Date: 2024-11-22
White: Kostyukovich, Ivan
WhiteElo: 1489
Black: Yao, Lucas Mason Pin Qian
BlackElo: 1687
Result: 0-1
ECO: D00
Opening: Queen's Pawn Game: Accelerated London System, Steinitz Countergambit
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... d5 { [%eval 0.24] [%clk 1:30:51] } 2. Bf4 { [%eval 0.0] [%clk 1:31:18] } 2... c5 { [%eval 0.06] [%clk 1:31:04] } 3. e3 { [%eval 0.0] [%clk 1:31:35] } 3... cxd4 { [%eval 0.0] [%clk 1:31:18] } 4. exd4 { [%eval 0.0] [%clk 1:31:58] } 4... Nc6 { [%eval 0.03] [%clk 1:31:31] } 5. c3 { [%eval 0.03] [%clk 1:32:10] } 5... Bf5 { [%eval -0.01] [%clk 1:31:19] } 6. Nd2 { [%eval 0.0] [%clk 1:32:22] } 6... e6 { [%eval 0.05] [%clk 1:30:56] } 7. Ngf3 { [%eval 0.0] [%clk 1:32:40] } 7... h6 { [%eval 0.04] [%clk 1:29:40] } 8. Bb5 { [%eval -0.06] [%clk 1:31:32] } 8... Qb6 { [%eval -0.12] } 9. Qa4 { [%eval -0.64] [%clk 1:30:18] } 9... a6 { [%eval -0.31] [%clk 1:26:00] } 10. Bxc6+ { [%eval -0.4] [%clk 1:30:18] } 10... Qxc6 { [%eval -0.33] [%clk 1:20:49] } 11. Qxc6+ { [%eval -0.4] [%clk 1:30:24] } 11... bxc6 { [%eval -0.5] [%clk 1:21:10] } 12. O-O { [%eval -0.85] [%clk 1:29:35] } 12... Nf6?! { [%eval -0.3] } { Inaccuracy. g5 was best. } { [%clk 1:20:32] } 13. Nb3 { [%eval -0.31] [%clk 1:27:14] } 13... Nd7 { [%eval -0.37] [%clk 1:16:24] } 14. Na5 { [%eval -0.34] [%clk 1:20:14] } 14... c5 { [%eval -0.38] [%clk 1:10:41] } 15. Ne5 { [%eval -0.82] [%clk 1:15:45] } 15... Nxe5 { [%eval -0.83] [%clk 1:09:38] } 16. Bxe5 { [%eval -0.85] [%clk 1:15:51] } 16... f6 { [%eval -0.83] [%clk 1:03:30] } 17. Bg3 { [%eval -0.9] [%clk 1:16:08] } 17... O-O-O?! { [%eval 0.0] } { Inaccuracy. Kd7 was best. } { [%clk 1:00:34] } 18. dxc5 { [%eval -0.27] [%clk 1:13:56] } 18... Bxc5 { [%eval -0.25] [%clk 0:59:11] } 19. Nb3 { [%eval -0.4] [%clk 1:14:01] } 19... Bb6 { [%eval -0.5] [%clk 0:57:28] } 20. Nd4 { [%eval -0.72] [%clk 1:14:02] } 20... Bxd4?! { [%eval -0.03] } { Inaccuracy. Rhe8 was best. } { [%clk 0:57:11] } 21. cxd4 { [%eval -0.01] [%clk 1:12:02] } 21... Kd7 { [%eval -0.03] [%clk 0:56:14] } 22. Rac1 { [%eval -0.02] [%clk 1:11:41] } 22... Rc8 { [%eval 0.0] [%clk 0:56:33] } 23. Rc5?? { [%eval -2.17] } { Blunder. Rfe1 was best. } { [%clk 1:11:36] } 23... Rxc5 { [%eval -2.1] [%clk 0:55:26] } 24. dxc5 { [%eval -2.02] [%clk 1:11:48] } 24... Kc6 { [%eval -2.06] [%clk 0:54:54] } 25. Bd6 { [%eval -2.04] [%clk 1:12:04] } 25... e5 { [%eval -2.29] [%clk 0:52:54] } 26. Rc1 { [%eval -2.3] [%clk 1:10:51] } 26... d4 { [%eval -2.3] [%clk 0:51:58] } 27. f3 { [%eval -2.14] [%clk 1:10:14] } 27... Kd5 { [%eval -2.14] [%clk 0:51:18] } 28. Kf2 { [%eval -2.18] [%clk 1:10:13] } 28... Bd3 { [%eval -1.88] [%clk 0:51:11] } 29. Ke1 { [%eval -2.5] [%clk 1:10:03] } 29... Bb5 { [%eval -2.42] [%clk 0:51:13] } 30. Kd2 { [%eval -3.08] [%clk 1:09:56] } 30... f5 { [%eval -3.07] [%clk 0:50:17] } 31. b3?! { [%eval -3.97] } { Inaccuracy. Be7 was best. } { [%clk 1:07:44] } 31... e4 { [%eval -3.69] [%clk 0:48:19] } 32. fxe4+?! { [%eval -4.64] } { Inaccuracy. Kd1 was best. } 32... fxe4 { [%eval -4.57] [%clk 0:48:33] } 33. a4 { [%eval -4.81] [%clk 1:07:52] } 33... e3+ { [%eval -4.77] [%clk 0:48:53] } 34. Ke1 { [%eval -4.8] [%clk 1:07:53] } 34... d3 { [%eval -5.07] [%clk 0:46:26] } 35. Rc3 { [%eval -5.25] [%clk 1:07:59] } 35... d2+ { [%eval -5.34] [%clk 0:44:28] } 36. Kd1 { [%eval -5.21] [%clk 1:05:12] } 36... Re8 { [%eval -4.91] [%clk 0:43:54] } 37. Bg3? { [%eval -8.78] } { Mistake. Rxe3 was best. } { [%clk 1:05:18] } 37... Kd4 { [%eval -8.5] [%clk 0:43:49] } 38. Rc4+? { [%eval #-7] } { Checkmate is now unavoidable. Rxe3 was best. } { [%clk 1:04:05] } 38... Bxc4 { [%eval #-6] [%clk 0:44:09] } 39. bxc4 { [%eval #-2] [%clk 1:04:10] } 39... Kd3 { [%eval #-1] [%clk 0:44:33] } 40. Bb8 { [%eval #-1] [%clk 1:04:00] } 40... e2# { [%clk 0:44:57] } 0-1