Event: Open-1
Site: Katowice
Date: 2025-05-31
White: Kosakowski, Jakub
WhiteTitle: GM
WhiteElo: 2509
Black: Tazbir, Marcin
BlackTitle: GM
BlackElo: 2435
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 10+2

1. e4 { [%eval 0.18] [%clk 0:10:01] } 1... c5 { [%eval 0.25] [%clk 0:10:03] } 2. Nf3 { [%eval 0.2] [%clk 0:10:00] } 2... d6 { [%eval 0.31] [%clk 0:10:04] } 3. d4 { [%eval 0.22] [%clk 0:09:59] } 3... Nf6 { [%eval 0.32] [%clk 0:10:05] } 4. Nc3 { [%eval 0.26] [%clk 0:09:52] } 4... cxd4 { [%eval 0.35] [%clk 0:10:05] } 5. Nxd4 { [%eval 0.32] [%clk 0:09:52] } 5... a6 { [%eval 0.23] [%clk 0:10:06] } 6. Be3 { [%eval 0.25] [%clk 0:09:33] } 6... e5 { [%eval 0.15] [%clk 0:10:07] } 7. Nb3 { [%eval 0.21] [%clk 0:09:34] } 7... Be6 { [%eval 0.2] [%clk 0:10:06] } 8. f3 { [%eval 0.48] [%clk 0:09:28] } 8... Nbd7 { [%eval 0.47] [%clk 0:10:03] } 9. g4 { [%eval 0.52] [%clk 0:09:12] } 9... b5 { [%eval 0.6] [%clk 0:10:03] } 10. g5 { [%eval 0.3] [%clk 0:08:42] } 10... b4 { [%eval 0.54] [%clk 0:10:03] } 11. Ne2 { [%eval 0.32] [%clk 0:07:07] } 11... Nh5 { [%eval 0.74] [%clk 0:10:03] } 12. Qd2 { [%eval 0.63] [%clk 0:07:04] } 12... a5 { [%eval 0.53] [%clk 0:09:35] } 13. Ng3 { [%eval 0.72] [%clk 0:06:53] } 13... Nxg3 { [%eval 0.61] [%clk 0:09:21] } 14. hxg3 { [%eval 0.59] [%clk 0:06:53] } 14... a4 { [%eval 0.61] [%clk 0:09:21] } 15. Nc1 { [%eval 0.76] [%clk 0:06:53] } 15... Qa5 { [%eval 0.77] [%clk 0:08:42] } 16. Bh3?! { [%eval -0.2] } { Inaccuracy. Be2 was best. } { [%clk 0:06:13] } 16... Nb6 { [%eval 0.25] [%clk 0:07:55] } 17. Bxe6 { [%eval 0.25] [%clk 0:05:51] } 17... fxe6 { [%eval 0.12] [%clk 0:07:55] } 18. Bxb6 { [%eval -0.14] [%clk 0:05:45] } 18... Qxb6 { [%eval -0.11] [%clk 0:07:54] } 19. Nd3 { [%eval -0.1] [%clk 0:05:45] } 19... Be7 { [%eval -0.08] [%clk 0:06:31] } 20. O-O-O { [%eval -0.04] [%clk 0:04:26] } 20... b3 { [%eval -0.2] [%clk 0:05:55] } 21. Kb1 { [%eval -0.11] [%clk 0:04:18] } 21... Rc8 { [%eval 0.24] [%clk 0:04:55] } 22. cxb3 { [%eval 0.16] [%clk 0:03:50] } 22... axb3 { [%eval 0.16] [%clk 0:04:55] } 23. Rc1 { [%eval 0.0] [%clk 0:03:32] } 23... Rxc1+ { [%eval 0.0] [%clk 0:04:23] } 24. Qxc1 { [%eval 0.0] [%clk 0:03:21] } 24... bxa2+ { [%eval 0.1] [%clk 0:04:18] } 25. Ka1 { [%eval 0.19] [%clk 0:03:22] } 25... Qa6?? { [%eval 2.0] } { Blunder. Kf7 was best. } { [%clk 0:03:37] } 26. Nb4?? { [%eval 0.0] } { Blunder. g6 was best. } { [%clk 0:02:12] } 26... Qb7 { [%eval 0.16] [%clk 0:03:36] } 27. Nc6 { [%eval 0.0] [%clk 0:01:46] } 27... O-O { [%eval 0.0] [%clk 0:03:22] } 28. f4 { [%eval 0.0] [%clk 0:01:24] } 28... exf4 { [%eval 0.08] [%clk 0:02:20] } 29. gxf4 { [%eval 0.11] [%clk 0:01:24] } 29... Bd8 { [%eval 0.56] [%clk 0:02:20] } 30. Qc4 { [%eval 0.2] [%clk 0:00:52] } 30... Qf7 { [%eval 0.26] [%clk 0:02:11] } 31. Rd1 { [%eval 0.0] [%clk 0:00:28] } 31... Bc7? { [%eval 1.12] } { Mistake. Qxf4 was best. } { [%clk 0:01:00] } 32. f5 { [%eval 1.25] [%clk 0:00:25] } 32... Re8 { [%eval 1.22] [%clk 0:00:36] } 33. Qb5 { [%eval 0.9] [%clk 0:00:03] } 33... Qh5? { [%eval 2.71] } { Mistake. exf5 was best. } { [%clk 0:00:21] } 34. Rc1?? { [%eval 0.0] } { Blunder. Rg1 was best. } { [%clk 0:00:04] } 34... Qxg5 { [%eval 0.0] [%clk 0:00:16] } 35. Qc4 { [%eval 0.0] [%clk 0:00:03] } 35... d5 { [%eval 0.0] [%clk 0:00:07] } 36. exd5 { [%eval 0.0] [%clk 0:00:04] } 36... exd5 { [%eval 0.0] [%clk 0:00:08] } 37. Qxd5+ { [%eval 0.0] [%clk 0:00:05] } 37... Kh8 { [%eval 0.0] [%clk 0:00:10] } 38. Rh1 { [%eval 0.0] [%clk 0:00:05] } 38... Rf8 { [%eval 0.0] [%clk 0:00:07] } 39. Nd4 { [%eval -0.41] [%clk 0:00:05] } 39... Rd8 { [%eval 0.06] [%clk 0:00:06] } 40. Qc6 { [%eval 0.0] [%clk 0:00:03] } 40... Qe7?? { [%eval 3.91] } { Blunder. Be5 was best. } { [%clk 0:00:05] } 41. Ne6 { [%eval 4.06] [%clk 0:00:04] } 41... Rd7?! { [%eval 5.6] } { Inaccuracy. Rc8 was best. } { [%clk 0:00:06] } 42. Qa8+?! { [%eval 4.03] } { Inaccuracy. Nxc7 was best. } { [%clk 0:00:03] } 42... Bd8 { [%eval 4.03] [%clk 0:00:07] } 43. Qg2?? { [%eval 0.56] } { Blunder. Rc1 was best. } { [%clk 0:00:03] } 43... h6 { [%eval 0.53] [%clk 0:00:07] } 44. Qg6 { [%eval 0.62] [%clk 0:00:04] } 44... Rd6?? { [%eval 5.64] } { Blunder. Kg8 was best. } { [%clk 0:00:07] } 45. Rxh6+?? { [%eval 0.0] } { Blunder. f6 was best. } { [%clk 0:00:04] } 45... gxh6 { [%eval 0.0] [%clk 0:00:08] } 46. Qxh6+ { [%eval 0.0] [%clk 0:00:05] } 46... Kg8 { [%eval 0.0] [%clk 0:00:10] } 47. Qg6+ { [%eval 0.0] [%clk 0:00:06] } 47... Kh8 { [%eval 0.0] [%clk 0:00:11] } 48. Qh6+ { [%eval 0.0] [%clk 0:00:04] } 48... Kg8 { [%eval 0.0] [%clk 0:00:12] } 49. Qg6+ { [%eval 0.0] [%clk 0:00:04] } 1/2-1/2