Event: Round 3: Korobov, Anton - Costachi, Mihnea
Date: 2024-12-07
White: Korobov, Anton
WhiteTitle: GM
WhiteElo: 2608
Black: Costachi, Mihnea
BlackTitle: IM
BlackElo: 2401
Result: 1-0
ECO: E73
Opening: King's Indian Defense: Averbakh Variation, Modern Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:15:18] } 1... Nf6 { [%eval 0.19] [%clk 0:15:14] } 2. c4 { [%eval 0.17] [%clk 0:15:26] } 2... g6 { [%eval 0.25] [%clk 0:15:05] } 3. Nc3 { [%eval 0.21] [%clk 0:15:33] } 3... Bg7 { [%eval 0.51] [%clk 0:15:13] } 4. e4 { [%eval 0.4] [%clk 0:15:41] } 4... d6 { [%eval 0.47] [%clk 0:15:21] } 5. Be2 { [%eval 0.51] [%clk 0:15:33] } 5... O-O { [%eval 0.49] [%clk 0:15:27] } 6. Bg5 { [%eval 0.18] [%clk 0:15:41] } 6... Na6 { [%eval 0.55] [%clk 0:15:26] } 7. Qd2 { [%eval 0.32] [%clk 0:15:23] } 7... e5 { [%eval 0.49] [%clk 0:15:07] } 8. d5 { [%eval 0.56] [%clk 0:15:31] } 8... Qe8 { [%eval 0.62] [%clk 0:14:27] } 9. f3 { [%eval 0.53] [%clk 0:14:12] } 9... Nh5 { [%eval 0.53] [%clk 0:13:50] } 10. Bd1 { [%eval 0.57] [%clk 0:14:20] } 10... f5 { [%eval 0.53] [%clk 0:13:26] } 11. Nge2 { [%eval 0.56] [%clk 0:14:26] } 11... Bd7 { [%eval 0.78] [%clk 0:12:57] } 12. a3 { [%eval 0.7] [%clk 0:14:12] } 12... f4 { [%eval 0.79] [%clk 0:11:06] } 13. b4 { [%eval 0.9] [%clk 0:14:00] } 13... Bf6 { [%eval 0.8] [%clk 0:11:00] } 14. Bxf6 { [%eval 0.88] [%clk 0:14:06] } 14... Rxf6 { [%eval 1.12] [%clk 0:10:55] } 15. Bb3 { [%eval 0.82] [%clk 0:14:02] } 15... Kh8 { [%eval 0.82] [%clk 0:10:32] } 16. O-O-O { [%eval 0.91] [%clk 0:13:46] } 16... Nb8 { [%eval 0.85] [%clk 0:08:24] } 17. Kb2 { [%eval 0.86] [%clk 0:13:36] } 17... a5 { [%eval 0.84] [%clk 0:07:49] } 18. Nc1 { [%eval 0.95] [%clk 0:13:39] } 18... Na6 { [%eval 0.88] [%clk 0:05:50] } 19. Nd3 { [%eval 0.96] [%clk 0:13:46] } 19... b5? { [%eval 2.49] } { Mistake. b6 was best. } { [%clk 0:05:45] } 20. c5 { [%eval 2.48] [%clk 0:12:55] } 20... c6 { [%eval 2.67] [%clk 0:02:19] } 21. dxc6 { [%eval 2.51] [%clk 0:11:50] } 21... Bxc6 { [%eval 2.47] [%clk 0:02:26] } 22. Nd5 { [%eval 2.64] [%clk 0:11:58] } 22... Bxd5 { [%eval 2.61] [%clk 0:00:55] } 23. Bxd5 { [%eval 2.56] [%clk 0:12:06] } 23... Ra7 { [%eval 2.68] [%clk 0:00:26] } 24. Qc3 { [%eval 2.25] [%clk 0:10:51] } 24... axb4?! { [%eval 3.27] } { Inaccuracy. Rc7 was best. } { [%clk 0:00:27] } 25. axb4 { [%eval 3.25] [%clk 0:10:59] } 25... dxc5 { [%eval 3.29] [%clk 0:00:29] } 26. bxc5 { [%eval 3.21] [%clk 0:10:57] } 26... b4 { [%eval 3.18] [%clk 0:00:24] } 27. Qxe5?! { [%eval 2.14] } { Inaccuracy. Qc4 was best. } { [%clk 0:10:49] } 27... Qxe5+ { [%eval 2.01] [%clk 0:00:17] } 28. Nxe5 { [%eval 2.06] [%clk 0:10:57] } 28... Nxc5 { [%eval 1.7] [%clk 0:00:26] } 29. Ra1 { [%eval 1.2] [%clk 0:10:51] } 29... Re7?? { [%eval #9] } { Checkmate is now unavoidable. Rfa6 was best. } { [%clk 0:00:13] } 30. Ra8+ { [%eval #8] [%clk 0:10:54] } 30... Kg7 { [%eval #3] [%clk 0:00:22] } 31. Rg8+ { [%eval #2] [%clk 0:11:01] } 31... Kh6 { [%clk 0:00:29] } 32. Ng4+ { [%clk 0:11:09] } 32... Kg5 { [%clk 0:00:37] } 33. h4# { [%clk 0:11:17] } 1-0