Event: Reykjavik Open 2023
Site: Reykjavik, Iceland
Date: 2023-03-29
White: Knaak, Rainer
WhiteElo: 2455
Black: Ingvason, Johann
BlackElo: 2122
Result: 1-0
ECO: A57
Opening: Benko Gambit Accepted: Modern Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... Nf6 { [%eval 0.28] [%clk 1:26:47] } 2. c4 { [%eval 0.16] [%clk 1:31:12] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 1:26:35] } 3. d5 { [%eval 0.75] [%clk 1:31:14] } 3... b5 { [%eval 0.83] [%clk 1:26:56] } 4. cxb5 { [%eval 0.8] [%clk 1:31:22] } 4... a6 { [%eval 0.74] [%clk 1:27:20] } 5. e3 { [%eval 0.13] [%clk 1:31:08] } 5... g6?! { [%eval 1.04] } { Inaccuracy. axb5 was best. } { [%clk 1:26:01] } 6. Nc3 { [%eval 0.81] [%clk 1:31:16] } 6... Bg7 { [%eval 0.91] [%clk 1:26:13] } 7. a4 { [%eval 0.62] [%clk 1:31:04] } 7... O-O { [%eval 0.92] [%clk 1:26:28] } 8. Nf3 { [%eval 0.61] [%clk 1:31:18] } 8... d6?! { [%eval 1.46] } { Inaccuracy. Bb7 was best. } { [%clk 1:26:21] } 9. e4 { [%eval 1.25] [%clk 1:29:42] } 9... e6 { [%eval 1.07] [%clk 1:16:07] } 10. dxe6 { [%eval 1.2] [%clk 1:27:39] } 10... fxe6?! { [%eval 2.11] } { Inaccuracy. Bxe6 was best. } { [%clk 1:16:23] } 11. Bg5 { [%eval 2.29] [%clk 1:07:08] } 11... h6 { [%eval 2.22] [%clk 1:13:46] } 12. Bh4?! { [%eval 1.06] } { Inaccuracy. Bxf6 was best. } { [%clk 1:07:07] } 12... Qa5? { [%eval 2.73] } { Mistake. g5 was best. } { [%clk 1:10:56] } 13. Nd2?! { [%eval 1.66] } { Inaccuracy. Bd3 was best. } { [%clk 1:06:21] } 13... Bb7 { [%eval 1.88] [%clk 0:48:35] } 14. Qc2?! { [%eval 0.97] } { Inaccuracy. Bc4 was best. } { [%clk 0:59:01] } 14... d5 { [%eval 0.98] [%clk 0:43:19] } 15. Be2 { [%eval 1.32] [%clk 0:45:59] } 15... axb5 { [%eval 1.37] [%clk 0:31:57] } 16. Bxf6?! { [%eval 0.44] } { Inaccuracy. O-O was best. } { [%clk 0:42:30] } 16... Bxf6?! { [%eval 1.29] } { Inaccuracy. Rxf6 was best. } { [%clk 0:31:38] } 17. Nxb5 { [%eval 0.73] [%clk 0:41:01] } 17... Nc6?! { [%eval 1.84] } { Inaccuracy. Kg7 was best. } { [%clk 0:20:57] } 18. exd5 { [%eval 1.72] [%clk 0:37:52] } 18... exd5 { [%eval 1.81] [%clk 0:17:19] } 19. O-O { [%eval 1.75] [%clk 0:38:05] } 19... Kh7? { [%eval 3.2] } { Mistake. Qb4 was best. } { [%clk 0:15:00] } 20. Nb3 { [%eval 3.02] [%clk 0:34:48] } 20... Qb4 { [%eval 3.43] [%clk 0:12:24] } 21. Nxc5 { [%eval 3.38] [%clk 0:34:05] } 21... Nd4 { [%eval 4.23] [%clk 0:12:21] } 22. Nxd4 { [%eval 4.26] [%clk 0:33:58] } 22... Bxd4 { [%eval 4.23] [%clk 0:12:42] } 23. Ne6 { [%eval 3.99] [%clk 0:28:35] } 23... Rfc8 { [%eval 3.5] [%clk 0:12:20] } 24. Qd3 { [%eval 3.76] [%clk 0:14:08] } 24... Bf6?! { [%eval 4.73] } { Inaccuracy. Bxb2 was best. } { [%clk 0:12:31] } 25. Rfe1 { [%eval 3.85] [%clk 0:11:36] } 25... Rxa4 { [%eval 3.88] [%clk 0:11:16] } 26. Bh5 { [%eval 4.16] [%clk 0:11:12] } 26... Rg8 { [%eval 4.51] [%clk 0:06:47] } 27. Rac1 { [%eval 3.88] [%clk 0:11:28] } 27... Kh8? { [%eval 6.79] } { Mistake. Bc6 was best. } { [%clk 0:06:35] } 28. Bf3?? { [%eval 2.56] } { Blunder. Qe3 was best. } { [%clk 0:09:08] } 28... Raa8? { [%eval 4.41] } { Mistake. Qxb2 was best. } { [%clk 0:04:29] } 29. Nc7? { [%eval 2.12] } { Mistake. b3 was best. } { [%clk 0:06:56] } 29... Rad8?! { [%eval 3.21] } { Inaccuracy. Rac8 was best. } { [%clk 0:04:51] } 30. Red1?! { [%eval 2.03] } { Inaccuracy. g3 was best. } { [%clk 0:06:48] } 30... d4?! { [%eval 2.9] } { Inaccuracy. Rd6 was best. } { [%clk 0:01:54] } 31. Ne6 { [%eval 2.73] [%clk 0:06:06] } 31... Rd6 { [%eval 2.93] [%clk 0:01:35] } 32. Nc5 { [%eval 2.49] [%clk 0:05:06] } 32... Bxf3 { [%eval 3.0] [%clk 0:01:50] } 33. Qxf3 { [%eval 3.0] [%clk 0:05:32] } 33... Bg7 { [%eval 2.94] [%clk 0:01:45] } 34. Nd3 { [%eval 3.02] [%clk 0:04:54] } 34... Qb6 { [%eval 3.01] [%clk 0:01:52] } 35. h4 { [%eval 2.72] [%clk 0:04:57] } 35... Rf8 { [%eval 2.78] [%clk 0:01:38] } 36. Qg4 { [%eval 2.52] [%clk 0:05:20] } 36... h5 { [%eval 2.65] [%clk 0:01:36] } 37. Qe4 { [%eval 2.64] [%clk 0:04:38] } 37... Qd8?! { [%eval 3.78] } { Inaccuracy. Re6 was best. } { [%clk 0:01:32] } 38. g3 { [%eval 3.32] [%clk 0:04:41] } 38... Re8 { [%eval 3.42] [%clk 0:01:26] } 39. Qb7 { [%eval 3.13] [%clk 0:04:28] } 39... Rd7?! { [%eval 4.68] } { Inaccuracy. Rb6 was best. } { [%clk 0:01:13] } 40. Qa6 { [%eval 4.05] [%clk 0:04:05] } 40... Rd6 { [%eval 4.55] [%clk 0:01:27] } 41. Rc6 { [%eval 4.75] [%clk 0:03:53] } 41... Rxc6?! { [%eval 6.33] } { Inaccuracy. Ree6 was best. } { [%clk 0:00:38] } 42. Qxc6 { [%eval 6.6] [%clk 0:04:17] } 42... Rf8 { [%eval 7.32] [%clk 0:28:00] } 43. Qxg6 { [%eval 7.15] [%clk 0:32:27] } 43... Qd5 { [%eval 7.3] [%clk 0:26:06] } 44. Re1 { [%eval 7.34] [%clk 0:32:33] } 44... Qf5 { [%eval 7.0] [%clk 0:24:46] } 45. Nf4 { [%eval 6.63] [%clk 0:26:00] } 45... Kg8 { [%eval 6.94] [%clk 0:24:17] } 46. Qxh5 { [%eval 6.29] [%clk 0:24:22] } 46... Qc2 { [%eval 8.32] [%clk 0:13:40] } 47. Qd5+ { [%eval 7.83] [%clk 0:24:11] } 47... Kh7 { [%eval 8.62] [%clk 0:14:03] } 48. Re7 { [%eval 8.46] [%clk 0:21:27] } 48... Qc1+ { [%eval 8.6] [%clk 0:07:56] } 49. Kg2 { [%eval 8.38] [%clk 0:21:29] } 49... Qxb2? { [%eval #5] } { Checkmate is now unavoidable. Rxf4 was best. } { [%clk 0:02:00] } 50. Qe5 { [%eval #4] [%clk 0:20:44] } 1-0