Event: GM
Site: Polanica-Zdroj
Date: 2021-08-19
White: Ovsejevitsch, Sergei
WhiteElo: 2579
Black: Navara, David
BlackElo: 2675
Result: 0-1
ECO: A33
Opening: English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:28:59] } 1... c5 { [%eval 0.13] [%clk 1:30:18] } 2. c4 { [%eval 0.21] [%clk 1:29:07] } 2... Nf6 { [%eval 0.32] [%clk 1:30:42] } 3. Nc3 { [%eval 0.1] [%clk 1:29:18] } 3... Nc6 { [%eval 0.16] [%clk 1:31:06] } 4. d4 { [%eval 0.13] [%clk 1:26:33] } 4... cxd4 { [%eval 0.15] [%clk 1:31:30] } 5. Nxd4 { [%eval 0.13] [%clk 1:26:50] } 5... e6 { [%eval 0.13] [%clk 1:31:55] } 6. a3 { [%eval 0.04] [%clk 1:26:47] } 6... Bc5 { [%eval 0.19] [%clk 1:32:19] } 7. Nb3 { [%eval 0.04] [%clk 1:23:04] } 7... Bb6 { [%eval 0.33] [%clk 1:32:41] } 8. Bf4 { [%eval 0.04] [%clk 1:16:47] } 8... d5 { [%eval -0.12] [%clk 1:33:02] } 9. cxd5?! { [%eval -0.94] } { Inaccuracy. e3 was best. } { [%clk 1:15:22] } 9... Nxd5 { [%eval -0.52] [%clk 1:29:13] } 10. Nxd5 { [%eval -0.55] [%clk 1:08:27] } 10... exd5 { [%eval -0.7] [%clk 1:29:29] } 11. e3 { [%eval -0.64] [%clk 1:04:52] } 11... Qf6 { [%eval -0.54] [%clk 1:29:00] } 12. Qd2 { [%eval -0.82] [%clk 0:56:03] } 12... a5 { [%eval -0.79] [%clk 1:26:42] } 13. a4 { [%eval -0.44] [%clk 0:45:27] } 13... O-O { [%eval -0.6] [%clk 1:26:54] } 14. Bb5 { [%eval -0.66] [%clk 0:44:25] } 14... h5 { [%eval -0.69] [%clk 1:26:48] } 15. h4 { [%eval -1.0] [%clk 0:37:47] } 15... d4 { [%eval -0.62] [%clk 1:19:37] } 16. O-O { [%eval -0.88] [%clk 0:37:54] } 16... Qxh4?! { [%eval -0.26] } { Inaccuracy. dxe3 was best. } { [%clk 1:09:45] } 17. exd4 { [%eval -0.12] [%clk 0:32:42] } 17... Be6 { [%eval -0.23] [%clk 1:08:54] } 18. Bg5?! { [%eval -0.82] } { Inaccuracy. Ra3 was best. } { [%clk 0:21:21] } 18... Qg4 { [%eval -1.02] [%clk 1:06:08] } 19. d5?! { [%eval -1.76] } { Inaccuracy. Be2 was best. } { [%clk 0:13:51] } 19... Nd4 { [%eval -1.62] [%clk 1:05:48] } 20. Nxd4 { [%eval -1.68] [%clk 0:14:16] } 20... Bxd5 { [%eval -1.75] [%clk 1:06:10] } 21. f3 { [%eval -1.62] [%clk 0:14:31] } 21... Qxd4+ { [%eval -1.87] [%clk 1:05:31] } 22. Kh1 { [%eval -1.7] [%clk 0:14:51] } 22... Qxd2 { [%eval -1.53] [%clk 0:52:05] } 23. Bxd2 { [%eval -1.87] [%clk 0:15:17] } 23... Bd4? { [%eval -0.71] } { Mistake. Bb3 was best. } { [%clk 0:50:25] } 24. Bc3?? { [%eval -2.6] } { Blunder. Bxa5 was best. } { [%clk 0:15:05] } 24... Bxc3 { [%eval -2.62] [%clk 0:50:46] } 25. bxc3 { [%eval -2.18] [%clk 0:15:33] } 25... Rfc8 { [%eval -2.64] [%clk 0:50:42] } 26. Rfe1 { [%eval -2.75] [%clk 0:15:02] } 26... Be6 { [%eval -2.7] [%clk 0:45:12] } 27. Re5 { [%eval -2.55] [%clk 0:14:24] } 27... g6 { [%eval -2.56] [%clk 0:45:26] } 28. Bd3 { [%eval -2.64] [%clk 0:13:54] } 28... Kg7 { [%eval -2.71] [%clk 0:38:23] } 29. Be4 { [%eval -2.73] [%clk 0:10:35] } 29... Ra7 { [%eval -2.42] [%clk 0:35:44] } 30. Ra3 { [%eval -2.59] [%clk 0:05:01] } 30... Bc4 { [%eval -2.46] [%clk 0:26:44] } 31. Re7 { [%eval -2.61] [%clk 0:04:26] } 31... Kf6 { [%eval -2.65] [%clk 0:27:06] } 32. Rd7 { [%eval -2.62] [%clk 0:04:05] } 32... Ke5 { [%eval -2.75] [%clk 0:20:13] } 33. Kg1 { [%eval -2.89] [%clk 0:02:34] } 33... Rc5 { [%eval -2.37] [%clk 0:12:15] } 34. Kf2 { [%eval -2.2] [%clk 0:02:09] } 34... f5?! { [%eval -1.56] } { Inaccuracy. Ke6 was best. } { [%clk 0:06:01] } 35. Bd3 { [%eval -1.23] [%clk 0:01:47] } 35... Be6 { [%eval -1.58] [%clk 0:06:19] } 36. Rh7 { [%eval -1.16] [%clk 0:00:57] } 36... Kf6 { [%eval -1.17] [%clk 0:03:59] } 37. Bb5 { [%eval -1.19] [%clk 0:00:50] } 37... f4 { [%eval -1.33] [%clk 0:02:04] } 38. c4 { [%eval -1.07] [%clk 0:00:46] } 38... Bg8 { [%eval -1.17] [%clk 0:02:28] } 39. Rd7 { [%eval -0.95] [%clk 0:01:03] } 39... Bxc4 { [%eval -0.96] [%clk 0:02:52] } 40. Bxc4?! { [%eval -1.71] } { Inaccuracy. Rc3 was best. } { [%clk 0:31:15] } 40... Rxc4 { [%eval -1.98] [%clk 0:33:18] } 41. Rad3? { [%eval -3.67] } { Mistake. Ra1 was best. } { [%clk 0:22:43] } 41... Ra6 { [%eval -3.53] [%clk 0:32:07] } 42. Rxb7 { [%eval -3.92] [%clk 0:21:18] } 42... Rxa4 { [%eval -3.58] [%clk 0:32:20] } 43. Kg1 { [%eval -4.03] [%clk 0:21:39] } 43... Rb4 { [%clk 0:28:00] } 0-1