Event: Round 7: Gaivoronskii, Andrei - Demchenko, Anton
Date: 2025-06-20
White: Gaivoronskii, Andrei
WhiteElo: 2202
Black: Demchenko, Anton
BlackTitle: GM
BlackElo: 2619
Result: 0-1
ECO: B69
Opening: Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:26:31] } 1... c5 { [%eval 0.25] [%clk 1:30:44] } 2. Nf3 { [%eval 0.2] [%clk 1:25:54] } 2... d6 { [%eval 0.31] [%clk 1:31:10] } 3. d4 { [%eval 0.22] [%clk 1:26:19] } 3... cxd4 { [%eval 0.19] [%clk 1:31:36] } 4. Nxd4 { [%eval 0.18] [%clk 1:26:45] } 4... Nf6 { [%eval 0.31] [%clk 1:32:02] } 5. Nc3 { [%eval 0.32] [%clk 1:27:08] } 5... Nc6 { [%eval 0.3] [%clk 1:32:29] } 6. Bg5 { [%eval 0.25] [%clk 1:27:30] } 6... e6 { [%eval 0.39] [%clk 1:31:22] } 7. Qd2 { [%eval 0.4] [%clk 1:27:45] } 7... a6 { [%eval 0.33] [%clk 1:31:48] } 8. O-O-O { [%eval 0.39] [%clk 1:28:03] } 8... Bd7 { [%eval 0.42] [%clk 1:31:21] } 9. f4 { [%eval 0.35] [%clk 1:27:12] } 9... Be7 { [%eval 0.34] [%clk 1:31:47] } 10. Nf3 { [%eval 0.31] [%clk 1:24:02] } 10... b5 { [%eval 0.33] [%clk 1:32:04] } 11. Bxf6 { [%eval 0.34] [%clk 1:17:38] } 11... gxf6 { [%eval 0.3] [%clk 1:32:17] } 12. f5 { [%eval 0.35] [%clk 1:17:13] } 12... Qa5 { [%eval 0.61] [%clk 1:30:35] } 13. Kb1 { [%eval 0.6] [%clk 1:17:23] } 13... h5 { [%eval 0.49] [%clk 1:30:58] } 14. g3 { [%eval 0.48] [%clk 1:12:30] } 14... Rc8 { [%eval 0.42] [%clk 1:29:38] } 15. Bh3? { [%eval -0.78] } { Mistake. fxe6 was best. } { [%clk 1:10:23] } 15... b4 { [%eval -0.95] [%clk 1:29:23] } 16. Ne2 { [%eval -0.81] [%clk 1:07:09] } 16... e5 { [%eval -0.85] [%clk 1:29:33] } 17. Nc1 { [%eval -0.93] [%clk 1:05:28] } 17... Qb6 { [%eval -0.93] [%clk 1:28:10] } 18. g4? { [%eval -2.2] } { Mistake. Rhe1 was best. } { [%clk 1:04:22] } 18... hxg4 { [%eval -2.17] [%clk 1:24:20] } 19. Bxg4 { [%eval -2.11] [%clk 1:04:49] } 19... Na5 { [%eval -1.71] [%clk 1:21:17] } 20. Nd3?! { [%eval -2.58] } { Inaccuracy. b3 was best. } { [%clk 0:54:00] } 20... Nc4 { [%eval -2.55] [%clk 1:06:47] } 21. Qxb4 { [%eval -2.72] [%clk 0:53:57] } 21... Bb5 { [%eval -3.02] [%clk 1:03:34] } 22. Qc3?! { [%eval -4.53] } { Inaccuracy. Nd2 was best. } { [%clk 0:40:12] } 22... d5 { [%eval -4.35] [%clk 1:01:39] } 23. Nb4 { [%eval -4.42] [%clk 0:40:14] } 23... d4 { [%eval -4.35] [%clk 0:59:22] } 24. Qe1?! { [%eval -6.28] } { Inaccuracy. Qb3 was best. } { [%clk 0:37:37] } 24... Ba4 { [%eval -6.03] [%clk 0:58:54] } 25. Nd3 { [%eval -7.73] [%clk 0:37:01] } 25... Na3+ { [%eval -7.51] [%clk 0:59:08] } 26. Kc1? { [%eval #-1] } { Checkmate is now unavoidable. Ka1 was best. } { [%clk 0:37:25] } 26... Rxc2# { [%clk 0:59:32] } 0-1