Event: Olomouc 2023
Date: 2023-08-18
White: Stigar, Petter
WhiteElo: 2213
Black: Biolek, Richard
BlackElo: 2373
Result: 1/2-1/2
ECO: A44
Opening: Benoni Defense: Semi-Benoni
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... c5?! { [%eval 0.98] } { Inaccuracy. Nf6 was best. } { [%clk 1:27:26] } 2. d5 { [%eval 0.8] [%clk 1:31:07] } 2... e5?! { [%eval 1.59] } { Inaccuracy. Nf6 was best. } { [%clk 1:27:52] } 3. e4 { [%eval 1.26] [%clk 1:30:48] } 3... d6 { [%eval 1.71] [%clk 1:28:19] } 4. Bb5+ { [%eval 1.61] [%clk 1:29:59] } 4... Bd7 { [%eval 1.71] [%clk 1:27:58] } 5. a4 { [%eval 1.61] [%clk 1:29:20] } 5... g6 { [%eval 1.39] [%clk 1:25:02] } 6. Nc3 { [%eval 1.06] [%clk 1:25:30] } 6... a6? { [%eval 2.32] } { Mistake. Bg7 was best. } { [%clk 1:20:56] } 7. Be2 { [%eval 1.64] [%clk 1:22:29] } 7... Bg7 { [%eval 1.62] [%clk 1:10:59] } 8. Nf3 { [%eval 1.64] [%clk 1:20:22] } 8... Ne7 { [%eval 1.95] [%clk 1:11:26] } 9. Nd2 { [%eval 1.92] [%clk 1:19:57] } 9... O-O { [%eval 2.03] [%clk 1:11:12] } 10. Nc4 { [%eval 1.99] [%clk 1:20:03] } 10... Nc8 { [%eval 2.12] [%clk 1:11:05] } 11. O-O { [%eval 1.53] [%clk 1:19:08] } 11... Ra7 { [%eval 1.6] [%clk 1:11:19] } 12. f4?? { [%eval -0.67] } { Blunder. a5 was best. } { [%clk 1:05:08] } 12... b5 { [%eval -0.58] [%clk 1:05:49] } 13. axb5 { [%eval -0.46] [%clk 0:59:08] } 13... axb5 { [%eval -0.69] [%clk 1:05:54] } 14. Rxa7 { [%eval -0.64] [%clk 0:59:31] } 14... Nxa7 { [%eval -0.67] [%clk 1:06:23] } 15. Nd2 { [%eval -0.58] [%clk 0:55:26] } 15... exf4 { [%eval -0.6] [%clk 1:01:48] } 16. Rxf4 { [%eval -0.7] [%clk 0:55:19] } 16... Qe7 { [%eval -0.7] [%clk 0:47:29] } 17. Rf1 { [%eval -0.67] [%clk 0:53:36] } 17... b4 { [%eval -0.52] [%clk 0:33:55] } 18. Ncb1 { [%eval -0.51] [%clk 0:53:40] } 18... Bb5 { [%eval -0.46] [%clk 0:34:20] } 19. c4 { [%eval -0.35] [%clk 0:52:47] } 19... bxc3 { [%eval -0.38] [%clk 0:33:08] } 20. Nxc3 { [%eval -0.38] [%clk 0:53:09] } 20... Bxe2 { [%eval -0.41] [%clk 0:33:36] } 21. Qxe2 { [%eval -0.47] [%clk 0:53:13] } 21... Nd7 { [%eval -0.41] [%clk 0:33:57] } 22. Nc4 { [%eval -0.6] [%clk 0:45:15] } 22... Ne5 { [%eval -0.44] [%clk 0:34:09] } 23. Nxe5 { [%eval -0.62] [%clk 0:45:16] } 23... Bxe5 { [%eval -0.58] [%clk 0:34:31] } 24. Qf3 { [%eval -0.59] [%clk 0:45:09] } 24... Nc8 { [%eval -0.53] [%clk 0:21:53] } 25. g3?! { [%eval -1.22] } { Inaccuracy. Bf4 was best. } { [%clk 0:44:56] } 25... Nb6 { [%eval -1.2] [%clk 0:21:35] } 26. Kg2 { [%eval -1.33] [%clk 0:44:13] } 26... Nd7 { [%eval -0.92] [%clk 0:21:35] } 27. Nd1?! { [%eval -1.65] } { Inaccuracy. Nb5 was best. } { [%clk 0:41:56] } 27... Bg7 { [%eval -1.76] [%clk 0:18:21] } 28. Bd2 { [%eval -1.82] [%clk 0:40:36] } 28... f5?! { [%eval -0.86] } { Inaccuracy. h5 was best. } { [%clk 0:16:47] } 29. Re1 { [%eval -0.99] [%clk 0:39:47] } 29... Ne5 { [%eval -0.93] [%clk 0:16:47] } 30. Qe2 { [%eval -0.88] [%clk 0:40:03] } 30... Qb7 { [%eval -0.85] [%clk 0:16:04] } 31. Bc3 { [%eval -0.87] [%clk 0:39:39] } 31... f4 { [%eval -0.76] [%clk 0:15:20] } 32. gxf4 { [%eval -0.85] [%clk 0:39:26] } 32... Rxf4 { [%eval -0.78] [%clk 0:15:47] } 33. Rf1 { [%eval -0.82] [%clk 0:39:05] } 33... Rg4+ { [%eval -0.52] [%clk 0:12:18] } 34. Kh1 { [%eval -0.47] [%clk 0:39:19] } 34... Qd7 { [%eval -0.51] [%clk 0:10:15] } 35. Nf2 { [%eval -1.02] [%clk 0:39:09] } 35... Rh4 { [%eval -0.92] [%clk 0:10:14] } 36. Qe3 { [%eval -1.15] [%clk 0:37:13] } 36... Qf7 { [%eval -1.07] [%clk 0:09:38] } 37. Ra1 { [%eval -1.17] [%clk 0:35:15] } 37... Rf4? { [%eval 0.0] } { Mistake. h6 was best. } { [%clk 0:02:39] } 38. Ra8+ { [%eval -0.26] [%clk 0:34:29] } 38... Bf8 { [%eval 0.0] [%clk 0:03:07] } 39. Bxe5 { [%eval -0.02] [%clk 0:34:16] } 39... dxe5 { [%eval -0.02] [%clk 0:03:05] } 40. Kg2 { [%eval 0.0] [%clk 0:30:33] } 40... Kg7 { [%eval 0.12] [%clk 0:01:13] } 41. h3 { [%eval 0.0] [%clk 0:16:08] } 41... Qb7 { [%eval 0.0] [%clk 0:16:18] } 42. Ra2 { [%eval 0.0] [%clk 0:39:15] } 42... Bd6 { [%clk 0:14:11] } 1/2-1/2