Event: Round 7: Peter Mijnheer - Jacco Heij
Date: 2023-07-08
White: Peter Mijnheer
Black: Jacco Heij
Result: 0-1
ECO: D91
Opening: Grünfeld Defense: Three Knights Variation, Petrosian System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:21:58] } 1... Nf6 { [%eval 0.28] [%clk 0:21:58] } 2. c4 { [%eval 0.16] [%clk 0:21:56] } 2... g6 { [%eval 0.3] [%clk 0:21:56] } 3. Nc3 { [%eval 0.31] [%clk 0:21:55] } 3... d5 { [%eval 0.2] [%clk 0:21:54] } 4. Nf3 { [%eval 0.22] [%clk 0:21:53] } 4... Bg7 { [%eval 0.27] [%clk 0:21:49] } 5. Bg5 { [%eval 0.17] [%clk 0:21:50] } 5... Ne4 { [%eval 0.13] [%clk 0:21:36] } 6. Bh4 { [%eval 0.01] [%clk 0:21:48] } 6... Nxc3 { [%eval -0.13] [%clk 0:20:54] } 7. bxc3 { [%eval 0.0] [%clk 0:21:46] } 7... c5?! { [%eval 0.55] } { Inaccuracy. dxc4 was best. } { [%clk 0:19:54] } 8. e3 { [%eval 0.32] [%clk 0:21:34] } 8... cxd4 { [%eval 0.51] [%clk 0:18:41] } 9. cxd4 { [%eval 0.48] [%clk 0:21:29] } 9... Nc6 { [%eval 0.42] [%clk 0:18:06] } 10. cxd5 { [%eval 0.27] [%clk 0:21:11] } 10... Qxd5 { [%eval 0.25] [%clk 0:17:57] } 11. Be2 { [%eval 0.27] [%clk 0:21:01] } 11... O-O { [%eval 0.32] [%clk 0:16:46] } 12. O-O { [%eval 0.38] [%clk 0:20:56] } 12... Bf5 { [%eval 0.24] [%clk 0:15:34] } 13. Qa4 { [%eval 0.19] [%clk 0:17:21] } 13... a6 { [%eval 0.24] [%clk 0:14:07] } 14. Rac1 { [%eval 0.21] [%clk 0:17:01] } 14... Rac8 { [%eval 0.3] [%clk 0:13:44] } 15. Rc5 { [%eval 0.25] [%clk 0:15:23] } 15... Qd7 { [%eval 0.6] [%clk 0:13:31] } 16. Rfc1?? { [%eval -2.52] } { Blunder. Qb3 was best. } { [%clk 0:15:05] } 16... Nxd4 { [%eval -2.71] [%clk 0:12:55] } 17. Qxd7 { [%eval -2.77] [%clk 0:14:48] } 17... Nxe2+ { [%eval -2.97] [%clk 0:12:51] } 18. Kf1 { [%eval -2.68] [%clk 0:14:41] } 18... Bxd7 { [%eval -2.87] [%clk 0:12:28] } 19. Rxc8 { [%eval -3.03] [%clk 0:14:11] } 19... Rxc8 { [%eval -3.18] [%clk 0:12:08] } 20. Rxc8+ { [%eval -3.32] [%clk 0:14:08] } 20... Bxc8 { [%eval -2.98] [%clk 0:12:07] } 21. Kxe2 { [%eval -3.14] [%clk 0:14:06] } 21... Be6 { [%eval -3.27] [%clk 0:11:41] } 22. a3 { [%eval -3.36] [%clk 0:14:01] } 22... Bc4+ { [%eval -3.22] [%clk 0:11:08] } 23. Kd2 { [%eval -3.32] [%clk 0:13:59] } 23... e5 { [%eval -2.82] [%clk 0:10:54] } 24. Be7 { [%eval -3.02] [%clk 0:13:05] } 24... f6 { [%eval -2.8] [%clk 0:10:28] } 25. Kc3 { [%eval -3.06] [%clk 0:12:32] } 25... Bf1 { [%eval -2.76] [%clk 0:10:25] } 26. g3 { [%eval -2.75] [%clk 0:12:30] } 26... Kf7 { [%eval -2.76] [%clk 0:10:09] } 27. Bb4 { [%eval -2.99] [%clk 0:12:20] } 27... Ke6 { [%eval -3.1] [%clk 0:09:35] } 28. Nd2 { [%eval -3.07] [%clk 0:12:11] } 28... Bb5 { [%eval -3.03] [%clk 0:09:29] } 29. Kb3 { [%eval -3.0] [%clk 0:11:59] } 29... Kd5 { [%eval -2.89] [%clk 0:09:09] } 30. a4 { [%eval -2.97] [%clk 0:11:20] } 30... Bc6 { [%eval -2.75] [%clk 0:08:57] } 31. a5 { [%eval -2.77] [%clk 0:11:11] } 31... f5 { [%eval -2.64] [%clk 0:08:53] } 32. h4 { [%eval -3.3] [%clk 0:10:15] } 32... h5 { [%eval -3.19] [%clk 0:08:38] } 33. Be7 { [%eval -3.33] [%clk 0:08:43] } 33... Ke6 { [%eval -2.81] [%clk 0:08:20] } 34. Bc5 { [%eval -2.78] [%clk 0:08:41] } 34... Bf6 { [%eval -2.72] [%clk 0:08:14] } 35. Kb4 { [%eval -2.82] [%clk 0:08:37] } 35... g5 { [%eval -2.99] [%clk 0:07:57] } 36. hxg5 { [%eval -2.79] [%clk 0:08:32] } 36... Bxg5 { [%eval -3.18] [%clk 0:07:56] } 37. f4 { [%eval -3.35] [%clk 0:07:22] } 37... Bf6 { [%eval -3.42] [%clk 0:07:17] } 38. Nc4 { [%eval -3.68] [%clk 0:07:21] } 38... exf4 { [%eval -3.74] [%clk 0:06:51] } 39. exf4 { [%eval -3.58] [%clk 0:07:17] } 39... Bd5?! { [%eval -2.36] } { Inaccuracy. Kd5 was best. } { [%clk 0:06:04] } 40. Ne3 { [%eval -2.22] [%clk 0:07:04] } 40... h4 { [%eval -2.29] [%clk 0:05:41] } 41. gxh4 { [%eval -2.4] [%clk 0:06:25] } 41... Bxh4 { [%eval -2.39] [%clk 0:05:39] } 42. Bd4 { [%eval -2.46] [%clk 0:06:11] } 42... Be1+?! { [%eval -1.5] } { Inaccuracy. Be4 was best. } { [%clk 0:04:37] } 43. Kc5 { [%eval -1.33] [%clk 0:06:10] } 43... Be4 { [%eval -1.0] [%clk 0:03:56] } 44. Nc4 { [%eval -1.66] [%clk 0:06:00] } 44... Bg3 { [%eval -1.25] [%clk 0:03:49] } 45. Be3 { [%eval -1.29] [%clk 0:05:38] } 45... Bc6 { [%eval -0.93] [%clk 0:03:33] } 46. Ne5 { [%eval -0.88] [%clk 0:05:09] } 46... Be4 { [%eval -0.78] [%clk 0:03:31] } 47. Nc4 { [%eval -1.1] [%clk 0:05:03] } 47... Bh4 { [%eval -0.95] [%clk 0:03:29] } 48. Nb6?! { [%eval -2.06] } { Inaccuracy. Bd2 was best. } { [%clk 0:04:13] } 48... Be7+ { [%eval -2.03] [%clk 0:03:22] } 49. Kc4 { [%eval -2.07] [%clk 0:04:07] } 49... Bd8 { [%eval -1.75] [%clk 0:02:49] } 50. Kd4 { [%eval -2.35] [%clk 0:03:31] } 50... Kd6 { [%eval -2.39] [%clk 0:02:37] } 51. Kc4 { [%eval -2.55] [%clk 0:03:12] } 51... Kc6 { [%eval -2.54] [%clk 0:02:34] } 52. Kb4 { [%eval -2.5] [%clk 0:02:56] } 52... Be7+ { [%eval -2.68] [%clk 0:02:32] } 53. Kc4 { [%eval -2.81] [%clk 0:02:55] } 53... Bf3 { [%eval -2.53] [%clk 0:02:30] } 54. Bd4?! { [%eval -3.39] } { Inaccuracy. Bd2 was best. } { [%clk 0:02:18] } 54... Be2+ { [%eval -3.37] [%clk 0:02:25] } 55. Kc3 { [%eval -3.33] [%clk 0:02:10] } 55... Bd6 { [%eval -2.99] [%clk 0:02:11] } 56. Be3?! { [%eval -4.41] } { Inaccuracy. Be5 was best. } { [%clk 0:02:00] } 56... Kb5 { [%eval -4.66] [%clk 0:02:05] } 57. Nd5 { [%eval -4.79] [%clk 0:01:42] } 57... Kxa5 { [%eval -4.25] [%clk 0:02:01] } 58. Kd4 { [%eval -4.97] [%clk 0:01:15] } 58... b5 { [%eval -4.73] [%clk 0:01:53] } 59. Bd2+ { [%eval -5.52] [%clk 0:01:14] } 59... b4 { [%eval -5.59] [%clk 0:01:49] } 60. Nf6 { [%eval -5.58] [%clk 0:00:18] } 60... Ka4 { [%eval -5.41] [%clk 0:01:35] } 61. Ne8 { [%eval -6.1] [%clk 0:00:10] } 61... Be7 { [%eval -5.96] [%clk 0:01:27] } 62. Nc7 { [%eval -6.27] [%clk 0:00:08] } 62... b3 { [%eval -6.25] [%clk 0:01:17] } 63. Nd5 { [%eval -6.01] [%clk 0:00:07] } 63... b2 { [%eval -6.19] [%clk 0:01:13] } 0-1