Event: 58th Rubinstein Memorial | A
Site: chess24.com
Date: 2022-08-19
White: Bugajski, Robert
WhiteTitle: FM
WhiteElo: 2005
Black: Kejna, Piotr
BlackTitle: CM
BlackElo: 1915
Result: 1-0
ECO: A54
Opening: Old Indian Defense: Two Knights Variation
Variant: Standard

1. c4 { [%eval 0.23] [%clk 1:30:58] } 1... Nf6 { [%eval 0.29] [%clk 1:30:56] } 2. Nc3 { [%eval 0.08] [%clk 1:31:17] } 2... e5 { [%eval 0.32] [%clk 1:30:25] } 3. Nf3 { [%eval 0.0] [%clk 1:31:16] } 3... d6?! { [%eval 0.62] } { Inaccuracy. Nc6 was best. } { [%clk 1:30:26] } 4. d4 { [%eval 0.75] [%clk 1:30:47] } 4... exd4 { [%eval 0.75] [%clk 1:30:36] } 5. Nxd4 { [%eval 0.67] [%clk 1:31:08] } 5... g6 { [%eval 0.66] [%clk 1:30:29] } 6. g3 { [%eval 0.63] [%clk 1:31:27] } 6... Bg7 { [%eval 0.65] [%clk 1:30:10] } 7. Bg2 { [%eval 0.44] [%clk 1:31:46] } 7... O-O { [%eval 0.57] [%clk 1:29:43] } 8. O-O { [%eval 0.73] [%clk 1:32:06] } 8... Nbd7 { [%eval 0.87] [%clk 1:28:28] } 9. e4 { [%eval 0.79] [%clk 1:30:41] } 9... Nc5 { [%eval 0.87] [%clk 1:27:38] } 10. f3 { [%eval 0.4] [%clk 1:29:11] } 10... a5 { [%eval 0.42] [%clk 1:25:57] } 11. Be3 { [%eval 0.6] [%clk 1:29:06] } 11... Re8 { [%eval 1.1] [%clk 1:23:12] } 12. Qd2 { [%eval 0.69] [%clk 1:28:36] } 12... Be6?! { [%eval 1.4] } { Inaccuracy. c6 was best. } { [%clk 1:22:25] } 13. b3 { [%eval 1.25] [%clk 1:26:33] } 13... Qc8 { [%eval 1.78] [%clk 1:19:02] } 14. Ndb5?! { [%eval 0.89] } { Inaccuracy. Rad1 was best. } { [%clk 1:22:25] } 14... a4 { [%eval 1.08] [%clk 1:16:38] } 15. Rab1 { [%eval 1.04] [%clk 1:19:50] } 15... Nfd7?! { [%eval 1.78] } { Inaccuracy. axb3 was best. } { [%clk 1:06:16] } 16. Nd5?! { [%eval 1.12] } { Inaccuracy. f4 was best. } { [%clk 1:06:18] } 16... Bxd5 { [%eval 1.45] [%clk 1:04:44] } 17. cxd5 { [%eval 1.25] [%clk 1:05:34] } 17... Nb6?! { [%eval 2.41] } { Inaccuracy. axb3 was best. } { [%clk 0:57:41] } 18. Rfc1 { [%eval 2.45] [%clk 1:05:13] } 18... axb3 { [%eval 2.51] [%clk 0:47:30] } 19. axb3 { [%eval 2.24] [%clk 1:05:25] } 19... Qd7 { [%eval 2.38] [%clk 0:44:51] } 20. Bf1 { [%eval 2.43] [%clk 0:47:16] } 20... Rec8 { [%eval 2.51] [%clk 0:42:49] } 21. Qf2 { [%eval 2.16] [%clk 0:39:47] } 21... Bf8 { [%eval 2.54] [%clk 0:39:18] } 22. Rc2 { [%eval 2.2] [%clk 0:36:42] } 22... Ra5 { [%eval 2.74] [%clk 0:35:01] } 23. Qe2?! { [%eval 1.97] } { Inaccuracy. Nd4 was best. } { [%clk 0:33:19] } 23... Raa8 { [%eval 2.34] [%clk 0:33:27] } 24. Qf2 { [%eval 2.23] [%clk 0:28:49] } 24... Ra5 { [%eval 2.66] [%clk 0:33:48] } 25. Nd4 { [%eval 2.6] [%clk 0:28:00] } 25... Raa8?! { [%eval 3.38] } { Inaccuracy. Ra3 was best. } { [%clk 0:29:40] } 26. b4 { [%eval 3.12] [%clk 0:24:20] } 26... Nca4 { [%eval 3.71] [%clk 0:29:03] } 27. Rbc1 { [%eval 3.81] [%clk 0:24:26] } 27... Be7 { [%eval 4.25] [%clk 0:28:18] } 28. Bb5 { [%eval 3.87] [%clk 0:21:15] } 28... Qd8 { [%eval 4.15] [%clk 0:28:39] } 29. Ra2 { [%eval 4.19] [%clk 0:20:55] } 29... Bf6 { [%eval 4.11] [%clk 0:23:21] } 30. Qc2 { [%eval 4.1] [%clk 0:20:29] } 30... Nc3? { [%eval 7.07] } { Mistake. Bg7 was best. } { [%clk 0:23:30] } 31. Rxa8 { [%eval 6.97] [%clk 0:19:14] } 31... Bxd4 { [%eval 7.12] [%clk 0:23:47] } 32. Bxd4 { [%eval 6.8] [%clk 0:18:24] } 32... Nxb5 { [%eval 6.97] [%clk 0:23:44] } 33. Rxc8 { [%eval 6.85] [%clk 0:17:51] } 33... Nxc8 { [%eval 7.19] [%clk 0:24:12] } 34. Ba1 { [%eval 7.01] [%clk 0:17:39] } 34... f6 { [%eval 6.95] [%clk 0:24:03] } 35. Qc4 { [%eval 6.81] [%clk 0:16:01] } 35... Nca7 { [%eval 6.73] [%clk 0:23:59] } 36. Bb2 { [%eval 6.64] [%clk 0:13:55] } 36... Kf7 { [%eval 7.07] [%clk 0:22:02] } 37. Ra1 { [%eval 6.87] [%clk 0:14:08] } 37... b6 { [%eval 7.47] [%clk 0:21:49] } 38. f4 { [%eval 7.2] [%clk 0:12:58] } 38... Ke8 { [%eval 7.64] [%clk 0:16:35] } 39. Re1 { [%eval 7.19] [%clk 0:10:44] } 39... Kd7 { [%eval 7.16] [%clk 0:15:03] } 40. e5 { [%eval 7.27] [%clk 0:39:42] } 40... dxe5 { [%eval 7.25] [%clk 0:43:57] } 41. fxe5 { [%eval 7.26] [%clk 0:39:54] } 41... f5 { [%eval 10.16] [%clk 0:43:44] } 42. d6 { [%eval 10.62] [%clk 0:32:43] } 42... Kc8 { [%eval 9.57] [%clk 0:41:17] } 43. Qe6+ { [%eval 11.02] [%clk 0:31:15] } 43... Kb7 { [%eval 10.66] [%clk 0:41:16] } 44. d7 { [%eval 11.24] [%clk 0:28:04] } 44... Nc6 { [%eval 11.73] [%clk 0:38:27] } 45. Qe8 { [%eval 9.59] [%clk 0:23:41] } 45... Qg5? { [%eval #12] } { Checkmate is now unavoidable. Nbd4 was best. } { [%clk 0:38:26] } 46. Bc1?! { [%eval 12.3] } { Lost forced checkmate sequence. Qc8+ was best. } { [%clk 0:20:05] } 46... Qg4 { [%eval 8.45] [%clk 0:38:47] } 47. Bf4 { [%eval 20.24] [%clk 0:17:46] } 47... Ncd4?? { [%eval #5] } { Checkmate is now unavoidable. Nba7 was best. } { [%clk 0:35:19] } 48. Qc8+ { [%eval #7] [%clk 0:17:24] } 48... Kc6 { [%eval #7] [%clk 0:35:45] } 49. Rc1+ { [%eval #11] [%clk 0:15:45] } 49... Nc3 { [%eval #10] [%clk 0:35:53] } 50. d8=Q { [%eval 27.25] [%clk 0:10:04] } 50... Ne2+?! { [%eval #7] } { Checkmate is now unavoidable. Kb5 was best. } { [%clk 0:34:26] } 51. Kf2 { [%eval #6] [%clk 0:10:11] } 51... Kb5 { [%eval #6] [%clk 0:34:18] } 52. Qd3+ { [%eval #5] [%clk 0:09:26] } 52... Kxb4 { [%eval #5] [%clk 0:34:34] } 53. Rb1+ { [%eval #4] [%clk 0:07:53] } 53... Nxb1 { [%eval #4] [%clk 0:34:44] } 54. Qxb1+ { [%eval #3] [%clk 0:08:18] } 1-0