Event: Round 5: Igor Kovalenko - Daniil Yuffa
Date: 2021-08-12
White: Igor Kovalenko
WhiteTitle: GM
Black: Daniil Yuffa
BlackTitle: GM
Result: 1-0
ECO: D10
Opening: Slav Defense: Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... d5 { [%eval 0.23] [%clk 1:22:23] } 2. c4 { [%eval 0.0] [%clk 1:28:16] } 2... c6 { [%eval 0.24] [%clk 1:28:15] } 3. cxd5 { [%eval 0.13] [%clk 1:28:41] } 3... cxd5 { [%eval 0.19] [%clk 1:28:39] } 4. Bf4 { [%eval 0.32] [%clk 1:29:09] } 4... Nc6 { [%eval 0.25] [%clk 1:28:55] } 5. e3 { [%eval 0.13] [%clk 1:29:37] } 5... Nf6 { [%eval 0.13] [%clk 1:29:05] } 6. Bb5 { [%eval 0.16] [%clk 1:29:57] } 6... Bd7 { [%eval 0.23] [%clk 1:27:37] } 7. Nc3 { [%eval 0.19] [%clk 1:29:49] } 7... Rc8 { [%eval 0.13] [%clk 1:26:01] } 8. Rc1 { [%eval 0.32] [%clk 1:23:07] } 8... a6 { [%eval 0.41] [%clk 1:22:53] } 9. Bd3 { [%eval 0.38] [%clk 1:16:31] } 9... e6 { [%eval 0.46] [%clk 1:12:46] } 10. Nf3 { [%eval 0.49] [%clk 1:09:48] } 10... Be7 { [%eval 0.59] [%clk 1:12:55] } 11. O-O?! { [%eval 0.05] } { Inaccuracy. h3 was best. } { [%clk 1:08:23] } 11... Nh5 { [%eval 0.32] [%clk 1:04:22] } 12. Be5 { [%eval 0.29] [%clk 1:08:49] } 12... f6 { [%eval 0.0] [%clk 1:04:11] } 13. Bg3 { [%eval 0.0] [%clk 1:04:07] } 13... Nxg3 { [%eval 0.0] [%clk 0:58:55] } 14. hxg3 { [%eval 0.0] [%clk 1:04:33] } 14... O-O?! { [%eval 0.77] } { Inaccuracy. f5 was best. } { [%clk 0:56:11] } 15. a3?! { [%eval 0.16] } { Inaccuracy. e4 was best. } { [%clk 1:05:01] } 15... Na5?! { [%eval 0.88] } { Inaccuracy. f5 was best. } { [%clk 0:50:06] } 16. Qe2 { [%eval 0.82] [%clk 1:03:17] } 16... Be8?! { [%eval 1.44] } { Inaccuracy. f5 was best. } { [%clk 0:37:36] } 17. e4 { [%eval 1.43] [%clk 0:59:03] } 17... Bf7 { [%eval 1.59] [%clk 0:37:23] } 18. exd5 { [%eval 1.54] [%clk 0:59:18] } 18... exd5 { [%eval 1.43] [%clk 0:37:47] } 19. Nxd5 { [%eval 1.53] [%clk 0:59:00] } 19... Bxd5 { [%eval 1.42] [%clk 0:37:21] } 20. Rxc8 { [%eval 1.56] [%clk 0:52:25] } 20... Qxc8 { [%eval 1.59] [%clk 0:37:45] } 21. Qxe7 { [%eval 1.62] [%clk 0:52:52] } 21... Re8 { [%eval 1.75] [%clk 0:37:56] } 22. Qd6 { [%eval 2.09] [%clk 0:50:34] } 22... Qd8 { [%eval 1.96] [%clk 0:38:12] } 23. Qc5 { [%eval 2.3] [%clk 0:48:11] } 23... Kh8 { [%eval 2.4] [%clk 0:37:36] } 24. Rd1 { [%eval 1.98] [%clk 0:33:12] } 24... Re6 { [%eval 2.31] [%clk 0:33:58] } 25. b4 { [%eval 1.83] [%clk 0:27:50] } 25... Nc6 { [%eval 2.14] [%clk 0:33:01] } 26. Bc4?! { [%eval 1.29] } { Inaccuracy. Re1 was best. } { [%clk 0:26:19] } 26... Rd6 { [%eval 1.73] [%clk 0:33:09] } 27. Re1 { [%eval 2.2] [%clk 0:25:58] } 27... Bxc4 { [%eval 1.71] [%clk 0:29:50] } 28. Qxc4 { [%eval 1.94] [%clk 0:26:19] } 28... Qd7 { [%eval 1.87] [%clk 0:29:25] } 29. Qc5 { [%eval 1.66] [%clk 0:20:57] } 29... Kg8 { [%eval 1.87] [%clk 0:28:38] } 30. Re8+ { [%eval 1.75] [%clk 0:19:39] } 30... Kf7?? { [%eval 4.29] } { Blunder. Qxe8 was best. } { [%clk 0:28:25] } 31. Rh8 { [%eval 5.39] [%clk 0:19:53] } 31... Nxd4 { [%eval 5.9] [%clk 0:27:37] } 32. Qh5+ { [%eval 5.79] [%clk 0:18:51] } 32... Ke7 { [%eval 5.9] [%clk 0:28:04] } 33. Rxh7?? { [%eval 2.5] } { Blunder. Rg8 was best. } { [%clk 0:16:27] } 33... Ne6 { [%eval 2.16] [%clk 0:27:48] } 34. Nh4 { [%eval 2.53] [%clk 0:16:29] } 34... Rd5 { [%eval 2.7] [%clk 0:27:27] } 35. Qe2 { [%eval 2.1] [%clk 0:16:12] } 35... Qc6?? { [%eval 5.2] } { Blunder. Kf7 was best. } { [%clk 0:24:32] } 36. Kh2?? { [%eval 1.8] } { Blunder. Rxg7+ was best. } { [%clk 0:12:13] } 36... Kd7? { [%eval 3.5] } { Mistake. Kd6 was best. } { [%clk 0:23:56] } 37. f4 { [%eval 3.21] [%clk 0:11:11] } 37... Kc7 { [%eval 2.84] [%clk 0:22:54] } 38. f5 { [%eval 2.85] [%clk 0:11:11] } 38... Re5?! { [%eval 3.69] } { Inaccuracy. Nd4 was best. } { [%clk 0:21:40] } 39. Qd3 { [%eval 3.84] [%clk 0:09:34] } 39... Ng5? { [%eval 6.76] } { Mistake. Rd5 was best. } { [%clk 0:21:27] } 40. Rxg7+ { [%eval 7.25] [%clk 0:09:57] } 40... Kb6 { [%eval 8.98] [%clk 0:21:52] } 41. Rxg5 { [%eval 8.76] [%clk 0:10:10] } 1-0