Event: Round 4: Villavicencio Martinez, Adalberto - Kovchan, Alexander
Date: 2024-08-26
White: Villavicencio Martinez, Adalberto
WhiteTitle: IM
WhiteElo: 2192
Black: Kovchan, Alexander
BlackTitle: GM
BlackElo: 2440
Result: 0-1
ECO: D85
Opening: Grünfeld Defense: Exchange Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:00] } 1... Nf6 { [%eval 0.17] [%clk 1:30:50] } 2. c4 { [%eval 0.17] [%clk 1:29:32] } 2... g6 { [%eval 0.25] [%clk 1:31:11] } 3. Nc3 { [%eval 0.21] [%clk 1:29:36] } 3... d5 { [%eval 0.22] [%clk 1:31:32] } 4. cxd5 { [%eval 0.23] [%clk 1:28:49] } 4... Nxd5 { [%eval 0.29] [%clk 1:31:53] } 5. Bd2 { [%eval 0.11] [%clk 1:27:50] } 5... Nb6 { [%eval 0.31] [%clk 1:31:34] } 6. e3 { [%eval 0.38] [%clk 1:26:27] } 6... Bg7 { [%eval 0.29] [%clk 1:31:41] } 7. Nf3 { [%eval 0.31] [%clk 1:21:34] } 7... O-O { [%eval 0.22] [%clk 1:31:55] } 8. Be2 { [%eval 0.18] [%clk 1:20:03] } 8... Nc6 { [%eval 0.17] [%clk 1:32:10] } 9. O-O { [%eval 0.23] [%clk 1:03:31] } 9... e5 { [%eval 0.15] [%clk 1:31:54] } 10. dxe5 { [%eval 0.15] [%clk 0:58:29] } 10... Nxe5 { [%eval 0.2] [%clk 1:32:14] } 11. Nxe5 { [%eval 0.11] [%clk 0:55:51] } 11... Bxe5 { [%eval 0.22] [%clk 1:31:06] } 12. Qc2 { [%eval 0.03] [%clk 0:55:29] } 12... Re8 { [%eval 0.16] [%clk 1:25:54] } 13. Rad1 { [%eval 0.03] [%clk 0:49:07] } 13... Qh4 { [%eval 0.15] [%clk 1:21:18] } 14. f4 { [%eval 0.0] [%clk 0:46:38] } 14... Bf5 { [%eval -0.02] [%clk 1:19:49] } 15. e4?! { [%eval -0.57] } { Inaccuracy. Qc1 was best. } { [%clk 0:35:05] } 15... Bd4+ { [%eval -0.67] [%clk 1:01:53] } 16. Kh1 { [%eval -0.6] [%clk 0:35:19] } 16... Bxc3 { [%eval -0.83] [%clk 1:02:17] } 17. Bxc3 { [%eval -0.68] [%clk 0:34:10] } 17... Bxe4 { [%eval -0.7] [%clk 1:00:07] } 18. Bd3 { [%eval -0.85] [%clk 0:34:29] } 18... Bxd3 { [%eval -0.53] [%clk 0:55:32] } 19. Rxd3 { [%eval -0.59] [%clk 0:33:08] } 19... c6 { [%eval -0.07] [%clk 0:54:46] } 20. Rh3?! { [%eval -0.82] } { Inaccuracy. f5 was best. } { [%clk 0:26:13] } 20... Qg4 { [%eval -1.01] [%clk 0:50:59] } 21. Rhf3 { [%eval -1.35] [%clk 0:20:41] } 21... Nd5 { [%eval -1.29] [%clk 0:49:49] } 22. h3 { [%eval -1.16] [%clk 0:20:28] } 22... Qh4 { [%eval -1.19] [%clk 0:45:35] } 23. f5 { [%eval -1.69] [%clk 0:15:36] } 23... g5 { [%eval -1.51] [%clk 0:44:39] } 24. Bd2 { [%eval -1.58] [%clk 0:13:03] } 24... h6 { [%eval -1.73] [%clk 0:39:34] } 25. Rb3 { [%eval -1.67] [%clk 0:07:43] } 25... Rab8 { [%eval -1.69] [%clk 0:33:36] } 26. Qd3 { [%eval -1.6] [%clk 0:05:16] } 26... Re4 { [%eval -1.8] [%clk 0:29:27] } 27. f6 { [%eval -2.28] [%clk 0:03:03] } 27... Rd4 { [%eval -2.32] [%clk 0:27:31] } 28. Qe2 { [%eval -2.08] [%clk 0:02:46] } 28... Re4 { [%eval -2.03] [%clk 0:21:12] } 29. Qd3 { [%eval -2.38] [%clk 0:02:55] } 29... Re6 { [%eval -2.35] [%clk 0:19:37] } 30. Kh2 { [%eval -2.29] [%clk 0:00:54] } 30... a6 { [%eval -1.79] [%clk 0:15:09] } 31. Qf5?! { [%eval -2.98] } { Inaccuracy. Rf5 was best. } { [%clk 0:00:41] } 31... Rxf6 { [%eval -2.79] [%clk 0:07:16] } 32. Qe5?! { [%eval -4.15] } { Inaccuracy. Qd3 was best. } { [%clk 0:01:00] } 32... Rxf1 { [%eval -4.09] [%clk 0:07:22] } 33. Qxb8+ { [%eval -4.0] [%clk 0:01:20] } 33... Kh7 { [%eval -3.95] [%clk 0:07:45] } 34. Qxb7? { [%eval -7.17] } { Mistake. Qe8 was best. } { [%clk 0:01:00] } 34... Qd4 { [%eval -6.87] [%clk 0:07:08] } 35. Qxa6?? { [%eval #-14] } { Checkmate is now unavoidable. Qxc6 was best. } { [%clk 0:00:33] } 35... Qg1+ { [%eval #-13] [%clk 0:05:11] } 36. Kg3 { [%eval #-13] [%clk 0:01:01] } 36... Rf2 { [%eval #-12] [%clk 0:04:03] } 37. Qd3+ { [%eval #-12] [%clk 0:01:24] } 37... f5 { [%eval #-11] [%clk 0:04:16] } 38. Rb7+ { [%eval #-7] [%clk 0:01:30] } 38... Kg6 { [%eval #-6] [%clk 0:04:27] } 0-1