Event: Prague International Chess Festival - Karel Janecek Open
Site: Prague, Czech Republic
Date: 2023-06-26
White: Peyrer, Konstantin
WhiteTitle: FM
WhiteElo: 2411
Black: Yao, Lan
BlackTitle: WIM
BlackElo: 2242
Result: 1-0
ECO: E40
Opening: Nimzo-Indian Defense: Rubinstein System
Variant: Standard
TimeControl: 90min/40 + 30min + 30sec/move

1. d4 { [%eval 0.0] [%clk 1:30:50] } 1... Nf6 { [%eval 0.28] [%clk 1:28:59] } 2. c4 { [%eval 0.16] [%clk 1:31:08] } 2... e6 { [%eval 0.23] [%clk 1:29:26] } 3. Nc3 { [%eval 0.05] [%clk 1:31:19] } 3... Bb4 { [%eval 0.25] [%clk 1:29:52] } 4. e3 { [%eval 0.0] [%clk 1:31:41] } 4... d5 { [%eval 0.41] [%clk 1:29:46] } 5. Qa4+ { [%eval 0.3] [%clk 1:31:34] } 5... Nc6 { [%eval 0.25] [%clk 1:30:10] } 6. Nf3 { [%eval 0.16] [%clk 1:31:59] } 6... O-O { [%eval 0.13] [%clk 1:30:33] } 7. Qc2 { [%eval 0.06] [%clk 1:32:24] } 7... Re8 { [%eval 0.04] [%clk 1:30:19] } 8. Bd2 { [%eval 0.3] [%clk 1:32:44] } 8... a6 { [%eval 0.34] [%clk 1:21:12] } 9. a3 { [%eval 0.24] [%clk 1:31:19] } 9... Bf8 { [%eval 0.41] [%clk 1:21:39] } 10. cxd5 { [%eval -0.07] [%clk 1:24:45] } 10... exd5 { [%eval 0.06] [%clk 1:20:30] } 11. Bd3 { [%eval 0.1] [%clk 1:22:38] } 11... Bg4 { [%eval 0.11] [%clk 1:13:57] } 12. Ng5 { [%eval -0.09] [%clk 1:22:06] } 12... g6 { [%eval 0.0] [%clk 1:13:45] } 13. O-O { [%eval 0.22] [%clk 1:21:38] } 13... h6 { [%eval 0.18] [%clk 1:00:04] } 14. Nf3 { [%eval -0.01] [%clk 1:20:00] } 14... Kg7 { [%eval 0.44] [%clk 0:55:27] } 15. Ne1 { [%eval 0.47] [%clk 1:18:24] } 15... Qd7 { [%eval 0.64] [%clk 0:47:24] } 16. f3 { [%eval 0.68] [%clk 1:16:24] } 16... Be6 { [%eval 0.8] [%clk 0:42:56] } 17. f4?! { [%eval 0.05] } { Inaccuracy. Na4 was best. } { [%clk 1:15:28] } 17... Bf5 { [%eval 0.06] [%clk 0:40:17] } 18. Nf3 { [%eval 0.13] [%clk 1:14:23] } 18... Bxd3 { [%eval 0.24] [%clk 0:39:53] } 19. Qxd3 { [%eval -0.15] [%clk 1:14:48] } 19... Qf5 { [%eval 0.09] [%clk 0:35:19] } 20. Qxf5 { [%eval 0.24] [%clk 1:14:55] } 20... gxf5 { [%eval 0.22] [%clk 0:35:48] } 21. Nh4 { [%eval 0.0] [%clk 1:13:59] } 21... Ne7 { [%eval -0.16] [%clk 0:36:08] } 22. Rac1 { [%eval -0.03] [%clk 1:11:49] } 22... c6 { [%eval 0.06] [%clk 0:34:32] } 23. h3 { [%eval -0.03] [%clk 1:08:36] } 23... Ne4 { [%eval 0.07] [%clk 0:32:06] } 24. Nxe4 { [%eval 0.14] [%clk 1:07:33] } 24... dxe4?! { [%eval 0.76] } { Inaccuracy. fxe4 was best. } { [%clk 0:23:15] } 25. Bc3 { [%eval 0.62] [%clk 1:07:02] } 25... Nd5?! { [%eval 1.31] } { Inaccuracy. Rad8 was best. } { [%clk 0:15:37] } 26. Nxf5+ { [%eval 1.34] [%clk 1:07:20] } 26... Kf6 { [%eval 1.42] [%clk 0:15:46] } 27. g4 { [%eval 1.37] [%clk 1:07:33] } 27... h5?! { [%eval 2.11] } { Inaccuracy. a5 was best. } { [%clk 0:16:05] } 28. Be1?! { [%eval 1.43] } { Inaccuracy. Kf2 was best. } { [%clk 1:06:32] } 28... hxg4 { [%eval 2.03] [%clk 0:15:36] } 29. hxg4 { [%eval 1.62] [%clk 1:06:56] } 29... a5 { [%eval 2.0] [%clk 0:14:53] } 30. Kf2 { [%eval 1.99] [%clk 1:05:18] } 30... Ra6 { [%eval 2.0] [%clk 0:09:17] } 31. Ke2 { [%eval 2.15] [%clk 1:04:32] } 31... Rb6 { [%eval 1.86] [%clk 0:09:07] } 32. Rc2 { [%eval 1.87] [%clk 1:04:54] } 32... a4 { [%eval 2.01] [%clk 0:09:22] } 33. Rh1 { [%eval 1.9] [%clk 1:04:15] } 33... Kg6 { [%eval 2.13] [%clk 0:07:31] } 34. Bd2 { [%eval 1.8] [%clk 1:01:28] } 34... Rb3 { [%eval 1.89] [%clk 0:05:21] } 35. Bc1 { [%eval 1.69] [%clk 1:01:10] } 35... Kf6 { [%eval 2.18] [%clk 0:01:29] } 36. Rh8 { [%eval 2.05] [%clk 0:59:35] } 36... Nc7?! { [%eval 2.79] } { Inaccuracy. Kg6 was best. } { [%clk 0:01:03] } 37. Rc4 { [%eval 2.77] [%clk 0:57:20] } 37... Ra8?! { [%eval 3.94] } { Inaccuracy. Nd5 was best. } { [%clk 0:00:46] } 38. Ng3 { [%eval 3.86] [%clk 0:56:05] } 38... Kg7 { [%eval 3.9] [%clk 0:01:01] } 39. Rh5 { [%eval 4.08] [%clk 0:56:18] } 39... Re8 { [%eval 4.09] [%clk 0:00:46] } 40. Re5 { [%eval 3.99] [%clk 0:55:48] } 40... Ne6 { [%eval 4.14] [%clk 0:00:40] } 41. Nh5+ { [%eval 4.53] [%clk 0:55:55] } 41... Kh6 { [%eval 4.35] [%clk 0:29:47] } 42. Nf6 { [%eval 4.49] [%clk 1:26:37] } 42... Ra8 { [%eval 4.37] [%clk 0:28:00] } 43. Nxe4 { [%eval 4.42] [%clk 1:26:58] } 43... Nc7 { [%eval 4.65] [%clk 0:26:02] } 44. Kf3 { [%eval 4.55] [%clk 1:26:25] } 44... f6 { [%eval 5.22] [%clk 0:25:13] } 45. Nxf6 { [%eval 5.34] [%clk 1:26:16] } 45... Bg7 { [%eval 5.64] [%clk 0:25:19] } 46. Re7 { [%eval 5.73] [%clk 1:26:12] } 46... Nb5?! { [%eval 7.6] } { Inaccuracy. Bxf6 was best. } { [%clk 0:18:38] } 47. g5+ { [%eval 8.47] [%clk 1:26:29] } 47... Kg6 { [%eval 7.39] [%clk 0:18:50] } 48. Kg4 { [%eval 7.49] [%clk 1:26:29] } 48... Nd6 { [%eval 7.17] [%clk 0:13:35] } 49. e4 { [%eval 8.21] [%clk 1:26:45] } 49... Ra5 { [%eval 10.07] [%clk 0:11:27] } 50. Rc5 { [%eval 12.5] [%clk 1:25:18] } 1-0