Event: Round 6: Zyon Kollen - Alexander Kovchan
Date: 2023-12-27
White: Zyon Kollen
WhiteTitle: FM
WhiteElo: 2318
Black: Alexander Kovchan
BlackTitle: GM
BlackElo: 2491
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:30:56] } 1... c5 { [%eval 0.33] [%clk 1:30:49] } 2. Nf3 { [%eval 0.17] [%clk 1:31:17] } 2... d6 { [%eval 0.0] [%clk 1:31:10] } 3. d4 { [%eval 0.25] [%clk 1:31:41] } 3... cxd4 { [%eval 0.13] [%clk 1:31:32] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:07] } 4... Nf6 { [%eval 0.3] [%clk 1:31:52] } 5. Nc3 { [%eval 0.21] [%clk 1:32:29] } 5... a6 { [%eval 0.39] [%clk 1:32:15] } 6. Be3 { [%eval 0.12] [%clk 1:32:54] } 6... e5 { [%eval 0.31] [%clk 1:32:24] } 7. Nb3 { [%eval 0.19] [%clk 1:33:14] } 7... Be6 { [%eval 0.16] [%clk 1:32:41] } 8. f3 { [%eval 0.37] [%clk 1:33:34] } 8... h5 { [%eval 0.29] [%clk 1:33:01] } 9. Qd2 { [%eval 0.31] [%clk 1:33:44] } 9... Nbd7 { [%eval 0.29] [%clk 1:33:17] } 10. a4 { [%eval 0.2] [%clk 1:33:41] } 10... Be7 { [%eval 0.17] [%clk 1:33:03] } 11. Be2 { [%eval 0.08] [%clk 1:33:46] } 11... O-O { [%eval 0.23] [%clk 1:32:49] } 12. O-O { [%eval 0.1] [%clk 1:33:49] } 12... h4 { [%eval 0.2] [%clk 1:32:35] } 13. Nd5 { [%eval 0.15] [%clk 1:28:47] } 13... Bxd5 { [%eval 0.06] [%clk 1:29:35] } 14. exd5 { [%eval 0.05] [%clk 1:27:32] } 14... Nh5 { [%eval 0.1] [%clk 1:27:16] } 15. Rfd1 { [%eval 0.05] [%clk 1:21:21] } 15... f5 { [%eval 0.0] [%clk 1:21:16] } 16. c4 { [%eval 0.1] [%clk 1:18:35] } 16... f4?! { [%eval 0.74] } { Inaccuracy. h3 was best. } { [%clk 1:09:49] } 17. Bf2 { [%eval 0.85] [%clk 1:18:34] } 17... h3 { [%eval 1.03] [%clk 1:10:11] } 18. g4? { [%eval -0.57] } { Mistake. Bd3 was best. } { [%clk 0:47:02] } 18... fxg3 { [%eval -0.59] [%clk 1:08:48] } 19. hxg3 { [%eval -0.62] [%clk 0:47:25] } 19... Bg5 { [%eval -0.34] [%clk 1:06:03] } 20. Qc2 { [%eval -0.61] [%clk 0:40:21] } 20... Qf6 { [%eval -0.62] [%clk 0:50:28] } 21. Nd2?! { [%eval -1.49] } { Inaccuracy. Ra3 was best. } { [%clk 0:35:14] } 21... Qh6? { [%eval 0.0] } { Mistake. Bxd2 was best. } { [%clk 0:46:44] } 22. Nf1? { [%eval -1.12] } { Mistake. Ra3 was best. } { [%clk 0:19:08] } 22... Rae8 { [%eval -1.26] [%clk 0:43:31] } 23. Ra3 { [%eval -1.21] [%clk 0:16:55] } 23... a5?! { [%eval -0.42] } { Inaccuracy. e4 was best. } { [%clk 0:37:11] } 24. Bd3 { [%eval -0.37] [%clk 0:14:55] } 24... b6?? { [%eval 1.37] } { Blunder. Rxf3 was best. } { [%clk 0:19:13] } 25. Bf5 { [%eval 1.36] [%clk 0:12:07] } 25... Nc5 { [%eval 1.41] [%clk 0:18:25] } 26. Bxc5?! { [%eval 0.41] } { Inaccuracy. Nh2 was best. } { [%clk 0:08:34] } 26... bxc5 { [%eval 0.43] [%clk 0:18:48] } 27. Be6+?! { [%eval -0.28] } { Inaccuracy. Re1 was best. } { [%clk 0:08:23] } 27... Kh8 { [%eval -0.19] [%clk 0:19:03] } 28. Rb3 { [%eval -0.18] [%clk 0:07:38] } 28... Rb8 { [%eval -0.07] [%clk 0:15:03] } 29. Rxb8 { [%eval -0.1] [%clk 0:04:38] } 29... Rxb8 { [%eval 0.0] [%clk 0:15:31] } 30. Rd3 { [%eval -0.37] [%clk 0:04:58] } 30... Rb4?! { [%eval 0.61] } { Inaccuracy. Qh7 was best. } { [%clk 0:13:13] } 31. Rb3 { [%eval 0.74] [%clk 0:04:26] } 31... h2+ { [%eval 1.07] [%clk 0:10:47] } 32. Kh1 { [%eval 1.13] [%clk 0:03:29] } 32... Bd8 { [%eval 1.02] [%clk 0:04:12] } 33. Rxb4 { [%eval 1.09] [%clk 0:03:27] } 33... cxb4 { [%eval 0.99] [%clk 0:04:27] } 34. Qxh2?! { [%eval 0.1] } { Inaccuracy. c5 was best. } { [%clk 0:02:25] } 34... Bb6?! { [%eval 1.13] } { Inaccuracy. g6 was best. } { [%clk 0:04:36] } 35. g4 { [%eval 0.74] [%clk 0:02:10] } 35... Nf4 { [%eval 0.76] [%clk 0:04:54] } 36. Qxh6+ { [%eval 0.79] [%clk 0:01:37] } 36... gxh6 { [%eval 0.83] [%clk 0:05:23] } 37. b3?! { [%eval 0.03] } { Inaccuracy. Bf5 was best. } { [%clk 0:01:11] } 37... Ne2 { [%eval 0.05] [%clk 0:04:54] } 38. Bf5 { [%eval 0.06] [%clk 0:01:18] } 38... Kg7 { [%eval 0.03] [%clk 0:02:29] } 39. Bc2 { [%eval 0.0] [%clk 0:00:52] } 39... Kf6 { [%eval -0.03] [%clk 0:01:48] } 40. Nd2 { [%eval 0.0] [%clk 0:00:44] } 40... Nc3 { [%eval 0.0] [%clk 0:01:32] } 41. Ne4+ { [%eval 0.0] [%clk 0:15:14] } 41... Nxe4 { [%eval 0.0] [%clk 0:31:43] } 42. Bxe4 { [%eval 0.0] [%clk 0:15:39] } 42... Kg5 { [%eval 0.0] [%clk 0:31:45] } 43. Kg2 { [%eval 0.0] [%clk 0:16:03] } 43... Kf4 { [%eval 0.0] [%clk 0:32:00] } 44. Kf1 { [%eval 0.0] [%clk 0:16:24] } 44... Ke3 { [%eval 0.0] [%clk 0:32:15] } 45. Ke1 { [%eval 0.0] [%clk 0:16:44] } 45... Kd4 { [%eval 0.0] [%clk 0:28:54] } 46. Kd2 { [%eval 0.0] [%clk 0:16:38] } 46... Bd8 { [%eval 0.0] [%clk 0:29:02] } 47. Kc2 { [%eval 0.0] [%clk 0:16:49] } 47... Bg5 { [%eval 0.0] [%clk 0:28:54] } 48. Bf5 { [%eval 0.0] [%clk 0:16:33] } 48... Bd8 { [%eval 0.0] [%clk 0:27:31] } 1/2-1/2