Event: Czech Championship
Site: chess24.com
Date: 2021-09-25
White: Petr, Martin
WhiteTitle: GM
WhiteElo: 2508
Black: Polak, Tomas
BlackTitle: GM
BlackElo: 2545
Result: 0-1
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:22:13] } 1... c5 { [%eval 0.32] [%clk 1:30:40] } 2. Nf3 { [%eval 0.0] [%clk 1:21:09] } 2... e6?! { [%eval 0.54] } { Inaccuracy. d6 was best. } { [%clk 1:31:02] } 3. d4 { [%eval 0.42] [%clk 1:19:35] } 3... cxd4 { [%eval 0.15] [%clk 1:31:25] } 4. Nxd4 { [%eval 0.23] [%clk 1:20:01] } 4... a6 { [%eval 0.19] [%clk 1:31:45] } 5. Nc3 { [%eval 0.22] [%clk 1:18:21] } 5... Qc7 { [%eval 0.24] [%clk 1:31:53] } 6. Be2 { [%eval -0.13] [%clk 1:15:59] } 6... b5 { [%eval 0.47] [%clk 1:31:46] } 7. a3 { [%eval 0.0] [%clk 1:15:56] } 7... Bb7 { [%eval -0.02] [%clk 1:31:51] } 8. f4 { [%eval 0.02] [%clk 1:12:10] } 8... Nf6 { [%eval 0.22] [%clk 1:29:22] } 9. Bf3 { [%eval 0.19] [%clk 1:07:55] } 9... d6 { [%eval 0.35] [%clk 1:14:03] } 10. O-O { [%eval 0.01] [%clk 1:05:30] } 10... Nbd7 { [%eval -0.02] [%clk 1:14:19] } 11. Kh1 { [%eval -0.25] [%clk 1:03:04] } 11... Be7 { [%eval -0.06] [%clk 1:13:56] } 12. Qe1 { [%eval -0.23] [%clk 0:44:01] } 12... h5?! { [%eval 0.72] } { Inaccuracy. O-O was best. } { [%clk 1:00:59] } 13. Be3 { [%eval 0.65] [%clk 0:38:58] } 13... Ng4 { [%eval 1.12] [%clk 0:53:41] } 14. Bg1 { [%eval 1.1] [%clk 0:39:00] } 14... g5 { [%eval 0.47] [%clk 0:52:12] } 15. f5 { [%eval 0.29] [%clk 0:33:18] } 15... Rh6?? { [%eval 1.96] } { Blunder. e5 was best. } { [%clk 0:46:53] } 16. fxe6 { [%eval 1.76] [%clk 0:23:23] } 16... fxe6 { [%eval 1.74] [%clk 0:47:15] } 17. a4?! { [%eval 0.75] } { Inaccuracy. Rd1 was best. } { [%clk 0:20:28] } 17... b4 { [%eval 0.51] [%clk 0:28:26] } 18. Nd1 { [%eval 0.26] [%clk 0:20:40] } 18... Nc5 { [%eval 0.48] [%clk 0:26:59] } 19. Qxb4 { [%eval 0.32] [%clk 0:17:23] } 19... Nxe4 { [%eval 0.8] [%clk 0:23:53] } 20. Qe1 { [%eval 0.45] [%clk 0:16:59] } 20... d5 { [%eval 1.02] [%clk 0:20:51] } 21. Ne3?! { [%eval 0.24] } { Inaccuracy. Nc3 was best. } { [%clk 0:15:44] } 21... Ne5 { [%eval 0.02] [%clk 0:17:02] } 22. Bxe4 { [%eval -0.06] [%clk 0:13:59] } 22... dxe4 { [%eval -0.16] [%clk 0:17:24] } 23. Rd1 { [%eval -0.13] [%clk 0:12:17] } 23... O-O-O { [%eval 0.0] [%clk 0:13:29] } 24. Nb3 { [%eval -0.08] [%clk 0:12:34] } 24... Rxd1 { [%eval 0.01] [%clk 0:12:58] } 25. Qxd1 { [%eval 0.04] [%clk 0:12:58] } 25... g4 { [%eval 0.0] [%clk 0:11:32] } 26. Qd2 { [%eval 0.42] [%clk 0:11:50] } 26... Rh8 { [%eval 0.49] [%clk 0:09:14] } 27. Qa5?? { [%eval -1.32] } { Blunder. Na5 was best. } { [%clk 0:12:01] } 27... Rd8? { [%eval -0.28] } { Mistake. h4 was best. } { [%clk 0:08:17] } 28. Qxc7+ { [%eval -0.56] [%clk 0:07:59] } 28... Kxc7 { [%eval -0.63] [%clk 0:08:43] } 29. Na5 { [%eval -0.58] [%clk 0:08:02] } 29... Bd5 { [%eval -1.06] [%clk 0:06:32] } 30. Bf2 { [%eval -1.51] [%clk 0:06:43] } 30... h4 { [%eval -1.54] [%clk 0:06:07] } 31. Kg1 { [%eval -1.6] [%clk 0:06:06] } 31... Bg5?! { [%eval -0.65] } { Inaccuracy. Bc5 was best. } { [%clk 0:04:33] } 32. Re1 { [%eval -1.13] [%clk 0:06:23] } 32... Be7?! { [%eval -0.13] } { Inaccuracy. Kd7 was best. } { [%clk 0:01:53] } 33. Rd1 { [%eval -0.24] [%clk 0:04:50] } 33... Rd7 { [%eval -0.13] [%clk 0:02:13] } 34. b3 { [%eval -0.28] [%clk 0:04:26] } 34... Kc8 { [%eval -0.17] [%clk 0:02:24] } 35. Kf1 { [%eval -0.23] [%clk 0:02:09] } 35... Bd8 { [%eval -0.24] [%clk 0:01:20] } 36. Be1? { [%eval -1.78] } { Mistake. c4 was best. } { [%clk 0:02:27] } 36... Bb6 { [%eval -1.77] [%clk 0:00:43] } 37. Ke2 { [%eval -1.76] [%clk 0:02:52] } 37... h3?! { [%eval -0.9] } { Inaccuracy. Nf3 was best. } { [%clk 0:00:42] } 38. gxh3 { [%eval -0.8] [%clk 0:01:47] } 38... Nf3 { [%eval -0.66] [%clk 0:01:09] } 39. Nac4?? { [%eval -3.74] } { Blunder. c4 was best. } { [%clk 0:01:39] } 39... Bxc4+ { [%eval -3.39] [%clk 0:01:18] } 40. bxc4 { [%eval -3.47] [%clk 0:01:53] } 40... Ng1+ { [%eval -3.59] [%clk 0:01:17] } 41. Kf1 { [%eval -3.93] [%clk 0:01:35] } 41... Bxe3 { [%eval -3.7] [%clk 0:01:03] } 42. Rxd7 { [%eval -3.82] [%clk 0:01:59] } 42... Kxd7 { [%eval -3.91] [%clk 0:01:26] } 43. hxg4 { [%eval -3.62] [%clk 0:02:25] } 43... Nf3 { [%eval -3.94] [%clk 0:28:31] } 44. h3 { [%eval -4.25] [%clk 0:26:14] } 44... Nxe1 { [%eval -4.6] [%clk 0:23:23] } 45. Kxe1 { [%eval -4.22] [%clk 0:26:40] } 45... Bg5 { [%eval -3.86] [%clk 0:23:46] } 46. Kf2 { [%eval -4.74] [%clk 0:27:07] } 46... Kd6 { [%eval -4.26] [%clk 0:23:15] } 47. Kg3 { [%eval -5.03] [%clk 0:27:32] } 47... e5 { [%eval -5.24] [%clk 0:22:58] } 48. h4 { [%eval -4.78] [%clk 0:27:47] } 48... Bf4+ { [%eval -5.47] [%clk 0:23:22] } 49. Kf2 { [%eval -5.16] [%clk 0:28:11] } 49... Kc5 { [%eval -5.95] [%clk 0:23:31] } 0-1