Event: Round 7: Leon Niemeijer - Oscar Klaren
Date: 2022-10-20
White: Leon Niemeijer
Black: Oscar Klaren
Result: 0-1
ECO: A67
Opening: Benoni Defense: Taimanov Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... Nf6 { [%eval 0.23] [%clk 1:30:54] } 2. c4 { [%eval 0.29] [%clk 1:31:22] } 2... c5 { [%eval 0.78] [%clk 1:31:15] } 3. d5 { [%eval 0.75] [%clk 1:31:35] } 3... e6 { [%eval 0.92] [%clk 1:31:40] } 4. Nc3 { [%eval 0.48] [%clk 1:31:47] } 4... exd5 { [%eval 0.97] [%clk 1:32:01] } 5. cxd5 { [%eval 0.29] [%clk 1:32:11] } 5... d6 { [%eval 0.89] [%clk 1:32:25] } 6. e4 { [%eval 0.74] [%clk 1:32:35] } 6... g6 { [%eval 0.83] [%clk 1:32:47] } 7. f4 { [%eval 0.98] [%clk 1:32:38] } 7... Bg7 { [%eval 0.52] [%clk 1:33:11] } 8. Bb5+ { [%eval 0.83] [%clk 1:32:50] } 8... Nfd7 { [%eval 0.97] [%clk 1:33:28] } 9. a4 { [%eval 1.16] [%clk 1:32:57] } 9... O-O { [%eval 1.18] [%clk 1:33:49] } 10. Nf3 { [%eval 0.89] [%clk 1:33:20] } 10... Na6 { [%eval 1.2] [%clk 1:34:06] } 11. O-O { [%eval 0.88] [%clk 1:33:32] } 11... Nb4 { [%eval 1.07] [%clk 1:34:24] } 12. Re1 { [%eval 0.94] [%clk 1:33:19] } 12... a6 { [%eval 0.99] [%clk 1:34:32] } 13. Bf1 { [%eval 1.02] [%clk 1:33:36] } 13... Re8 { [%eval 1.25] [%clk 1:34:55] } 14. Be3 { [%eval 0.69] [%clk 1:33:52] } 14... Nf6 { [%eval 0.62] [%clk 1:31:36] } 15. Bf2 { [%eval 0.69] [%clk 1:33:39] } 15... Bg4 { [%eval 0.9] [%clk 1:26:51] } 16. Rc1 { [%eval 0.94] [%clk 1:32:31] } 16... Nd7 { [%eval 1.02] [%clk 1:24:02] } 17. h3 { [%eval 0.96] [%clk 1:27:57] } 17... Bxf3 { [%eval 0.92] [%clk 1:24:02] } 18. Qxf3 { [%eval 0.87] [%clk 1:28:11] } 18... b6 { [%eval 0.9] [%clk 1:19:11] } 19. Bc4 { [%eval 0.63] [%clk 1:06:42] } 19... Ra7 { [%eval 1.02] [%clk 1:06:11] } 20. Kh1 { [%eval 1.12] [%clk 0:52:28] } 20... h6 { [%eval 1.43] [%clk 0:53:08] } 21. g3 { [%eval 1.07] [%clk 0:37:56] } 21... Kh7 { [%eval 1.15] [%clk 0:35:40] } 22. Red1 { [%eval 1.05] [%clk 0:09:03] } 22... Ra8 { [%eval 1.49] [%clk 0:20:02] } 23. Rd2 { [%eval 1.39] [%clk 0:06:59] } 23... Rb8 { [%eval 1.51] [%clk 0:18:16] } 24. Qg2 { [%eval 1.06] [%clk 0:01:04] } 24... Qe7 { [%eval 1.49] [%clk 0:11:16] } 25. Kh2 { [%eval 1.15] [%clk 0:00:58] } 25... g5? { [%eval 2.98] } { Mistake. Kh8 was best. } { [%clk 0:07:35] } 26. Re1?! { [%eval 1.7] } { Inaccuracy. e5 was best. } { [%clk 0:00:34] } 26... Qf8?! { [%eval 2.37] } { Inaccuracy. Bd4 was best. } { [%clk 0:06:10] } 27. Qf3? { [%eval 0.75] } { Mistake. e5 was best. } { [%clk 0:00:45] } 27... f5 { [%eval 0.71] [%clk 0:04:42] } 28. exf5?! { [%eval 0.08] } { Inaccuracy. Rde2 was best. } { [%clk 0:01:14] } 28... Qxf5?! { [%eval 0.83] } { Inaccuracy. Rxe1 was best. } { [%clk 0:04:23] } 29. Ne4 { [%eval 0.84] [%clk 0:00:58] } 29... Ne5 { [%eval 1.01] [%clk 0:04:18] } 30. Qe2?! { [%eval 0.0] } { Inaccuracy. Nxg5+ was best. } { [%clk 0:00:59] } 30... Nxc4 { [%eval 0.06] [%clk 0:02:55] } 31. Qxc4 { [%eval 0.01] [%clk 0:01:28] } 31... b5 { [%eval 0.0] [%clk 0:02:21] } 32. Nxd6 { [%eval -0.3] [%clk 0:01:41] } 32... bxc4 { [%eval -0.25] [%clk 0:01:25] } 33. Nxf5 { [%eval -0.25] [%clk 0:02:06] } 33... Rxe1 { [%eval -0.16] [%clk 0:01:48] } 34. Bxe1 { [%eval -0.25] [%clk 0:02:33] } 34... Nd3 { [%eval -0.29] [%clk 0:02:06] } 35. Nxg7 { [%eval -0.26] [%clk 0:00:45] } 35... Nxe1 { [%eval -0.18] [%clk 0:02:03] } 36. Re2 { [%eval -0.29] [%clk 0:01:10] } 36... Nf3+ { [%eval -0.11] [%clk 0:01:20] } 37. Kg2 { [%eval 0.0] [%clk 0:01:38] } 37... Nd4 { [%eval -0.06] [%clk 0:01:48] } 38. Re7 { [%eval 0.0] [%clk 0:02:01] } 38... Rxb2+ { [%eval 0.0] [%clk 0:02:15] } 39. Kf1 { [%eval 0.0] [%clk 0:01:43] } 39... c3 { [%eval 0.0] [%clk 0:01:20] } 40. Ne6+?? { [%eval -5.75] } { Blunder. Ne8+ was best. } { [%clk 0:00:50] } 40... Kg8?? { [%eval -0.46] } { Blunder. Kg6 was best. } { [%clk 0:00:58] } 41. Nxc5?? { [%eval -6.77] } { Blunder. Nxd4 was best. } 41... c2 { [%eval -7.13] [%clk 0:29:18] } 42. Re1 { [%eval -8.66] [%clk 0:16:16] } 42... Rb1 { [%eval -8.74] [%clk 0:28:50] } 43. Nd3 { [%eval -8.82] [%clk 0:14:56] } 43... Rd1 { [%eval -8.82] [%clk 0:28:34] } 44. d6 { [%eval -8.92] [%clk 0:04:25] } 44... Rxd3 { [%eval -9.35] [%clk 0:28:23] } 45. d7 { [%eval -8.65] [%clk 0:04:37] } 45... Nc6 { [%eval -9.27] [%clk 0:27:35] } 46. Ke2 { [%eval -9.34] [%clk 0:04:01] } 46... Rxd7 { [%eval -9.63] [%clk 0:27:51] } 47. Rc1 { [%eval -9.91] [%clk 0:04:01] } 47... Nd4+ { [%eval -9.22] [%clk 0:28:09] } 48. Ke3 { [%eval -9.22] [%clk 0:03:42] } 48... gxf4+ { [%eval -9.18] [%clk 0:28:10] } 49. gxf4 { [%eval -10.09] [%clk 0:03:56] } 49... Kf7 { [%eval -10.28] [%clk 0:28:24] } 50. a5 { [%eval -10.81] [%clk 0:03:10] } 50... Kf6 { [%eval -10.23] [%clk 0:28:19] } 51. Ke4 { [%eval -10.83] [%clk 0:03:00] } 51... h5 { [%eval -11.22] [%clk 0:28:10] } 52. h4 { [%eval -10.96] [%clk 0:01:10] } 52... Rd8 { [%eval -12.28] [%clk 0:28:21] } 53. f5 { [%eval -11.09] [%clk 0:01:05] } 53... Rd7 { [%eval -13.05] [%clk 0:28:28] } 54. Rg1 { [%eval -18.32] [%clk 0:00:32] } 54... Ne2 { [%eval -18.6] [%clk 0:28:34] } 55. Rg6+ { [%eval #-23] [%clk 0:00:39] } 55... Kf7 { [%eval -21.75] [%clk 0:28:58] } 56. Rh6?! { [%eval #-8] } { Checkmate is now unavoidable. Rc6 was best. } { [%clk 0:00:31] } 56... c1=Q { [%eval #-25] [%clk 0:29:13] } 57. Rh7+ { [%eval #-21] [%clk 0:00:38] } 57... Kf6 { [%eval #-15] [%clk 0:29:14] } 58. Rxd7 { [%eval #-18] [%clk 0:00:56] } 58... Qc6+ { [%eval #-13] [%clk 0:29:39] } 59. Rd5 { [%eval #-8] [%clk 0:00:44] } 59... Nc3+ { [%eval #-13] [%clk 0:30:01] } 60. Kd4 { [%eval #-6] } 0-1