Event: Round 4: Iwan Cave - John Merriman
Date: 2023-06-18
White: Iwan Cave
Black: John Merriman
Result: 0-1
ECO: A70
Opening: Benoni Defense: Classical Variation, New York Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:00] } 1... e6 { [%eval 0.2] [%clk 1:30:47] } 2. c4 { [%eval 0.23] [%clk 1:30:15] } 2... Nf6 { [%eval 0.23] [%clk 1:31:13] } 3. Nf3 { [%eval 0.0] [%clk 1:30:29] } 3... c5?! { [%eval 0.62] } { Inaccuracy. d5 was best. } { [%clk 1:31:28] } 4. d5 { [%eval 0.29] [%clk 1:30:50] } 4... exd5 { [%eval 0.7] [%clk 1:31:48] } 5. cxd5 { [%eval 0.92] [%clk 1:31:13] } 5... d6 { [%eval 0.77] [%clk 1:32:14] } 6. Nc3 { [%eval 0.86] [%clk 1:31:33] } 6... g6 { [%eval 0.65] [%clk 1:32:37] } 7. h3 { [%eval 0.66] [%clk 1:31:44] } 7... Bg7 { [%eval 0.82] [%clk 1:32:33] } 8. e4 { [%eval 0.68] [%clk 1:32:08] } 8... O-O { [%eval 0.57] [%clk 1:32:32] } 9. Bd3 { [%eval 0.62] [%clk 1:32:30] } 9... Na6?! { [%eval 1.2] } { Inaccuracy. b5 was best. } { [%clk 1:24:58] } 10. O-O { [%eval 1.19] [%clk 1:27:34] } 10... Nc7 { [%eval 1.21] [%clk 1:24:44] } 11. Bf4 { [%eval 0.89] [%clk 1:25:54] } 11... b5 { [%eval 0.84] [%clk 1:12:43] } 12. Nxb5?! { [%eval -0.19] } { Inaccuracy. Re1 was best. } { [%clk 1:03:05] } 12... Nxb5 { [%eval -0.21] [%clk 1:11:53] } 13. Bxb5 { [%eval -0.14] [%clk 1:03:29] } 13... Nxe4 { [%eval -0.25] [%clk 1:09:27] } 14. Rb1 { [%eval -0.42] [%clk 0:39:28] } 14... Rb8 { [%eval -0.49] [%clk 1:04:52] } 15. Bd3 { [%eval -0.66] [%clk 0:35:09] } 15... Nf6 { [%eval -0.44] [%clk 0:57:41] } 16. Bh2 { [%eval -0.53] [%clk 0:32:43] } 16... Qc7 { [%eval -0.18] [%clk 0:41:47] } 17. Nd2 { [%eval -0.46] [%clk 0:32:07] } 17... Rd8 { [%eval -0.45] [%clk 0:35:16] } 18. Qf3 { [%eval -0.55] [%clk 0:29:33] } 18... Rb4 { [%eval -0.42] [%clk 0:29:25] } 19. Nc4 { [%eval -0.89] [%clk 0:21:21] } 19... Bb7 { [%eval -0.78] [%clk 0:29:03] } 20. Ne3?! { [%eval -1.68] } { Inaccuracy. Qe2 was best. } { [%clk 0:21:08] } 20... Rd4 { [%eval -1.82] [%clk 0:27:30] } 21. Bc4 { [%eval -1.86] [%clk 0:20:49] } 21... Ne4 { [%eval -1.86] [%clk 0:27:09] } 22. Qe2 { [%eval -1.98] [%clk 0:18:20] } 22... Rd2?! { [%eval -1.21] } { Inaccuracy. Nd2 was best. } { [%clk 0:16:45] } 23. Qe1 { [%eval -0.85] [%clk 0:15:15] } 23... Rd4 { [%eval -0.74] [%clk 0:15:50] } 24. Qe2? { [%eval -1.96] } { Mistake. Rd1 was best. } { [%clk 0:14:11] } 24... Nd2 { [%eval -1.9] [%clk 0:13:13] } 25. Nc2 { [%eval -1.88] [%clk 0:14:35] } 25... Nxf1?! { [%eval -1.03] } { Inaccuracy. Nxc4 was best. } { [%clk 0:12:42] } 26. Nxd4 { [%eval -1.01] [%clk 0:14:56] } 26... Nxh2 { [%eval -1.19] [%clk 0:11:59] } 27. Nb5 { [%eval -1.18] [%clk 0:15:18] } 27... Qb6 { [%eval -0.86] [%clk 0:10:32] } 28. Kxh2 { [%eval -0.8] [%clk 0:15:38] } 28... Be5+ { [%eval -0.8] [%clk 0:10:40] } 29. Kg1 { [%eval -0.74] [%clk 0:14:46] } 29... a6 { [%eval -0.74] [%clk 0:10:25] } 30. Na3 { [%eval -0.74] [%clk 0:15:06] } 30... Re8 { [%eval -0.58] [%clk 0:10:44] } 31. Qc2 { [%eval -1.06] [%clk 0:12:46] } 31... Bc8 { [%eval -0.85] [%clk 0:10:33] } 32. Bd3 { [%eval -0.88] [%clk 0:13:04] } 32... Qc7 { [%eval -0.56] [%clk 0:08:18] } 33. Qa4 { [%eval -0.57] [%clk 0:11:44] } 33... Qe7 { [%eval -0.24] [%clk 0:07:19] } 34. Nc2?! { [%eval -0.94] } { Inaccuracy. Nc4 was best. } { [%clk 0:10:31] } 34... Bd7 { [%eval -0.98] [%clk 0:05:42] } 35. Qb3 { [%eval -0.87] [%clk 0:07:41] } 35... a5 { [%eval -0.79] [%clk 0:03:33] } 36. Ne1 { [%eval -0.99] [%clk 0:06:18] } 36... a4 { [%eval -0.52] [%clk 0:03:16] } 37. Qc4?? { [%eval -2.56] } { Blunder. Qb7 was best. } { [%clk 0:06:43] } 37... Rb8? { [%eval -1.18] } { Mistake. Bxb2 was best. } { [%clk 0:03:32] } 38. b3 { [%eval -1.13] [%clk 0:05:41] } 38... Rb4 { [%eval -1.17] [%clk 0:03:40] } 39. Qc2 { [%eval -1.09] [%clk 0:05:25] } 39... axb3 { [%eval -1.01] [%clk 0:04:04] } 40. Rxb3?? { [%eval -3.83] } { Blunder. axb3 was best. } { [%clk 0:05:23] } 40... Ba4 { [%eval -3.78] [%clk 0:03:48] } 41. Nf3 { [%eval -3.68] [%clk 0:03:54] } 41... Bxb3 { [%eval -3.83] [%clk 0:04:06] } 42. axb3 { [%eval -3.83] [%clk 0:04:18] } 42... Rb8 { [%eval -3.6] [%clk 0:04:06] } 43. Qa2 { [%eval -3.98] [%clk 0:04:16] } 43... Bf6 { [%eval -3.91] [%clk 0:03:59] } 44. g3 { [%eval -3.79] [%clk 0:04:19] } 44... Kg7 { [%eval -3.88] [%clk 0:04:23] } 45. Kg2 { [%eval -3.77] [%clk 0:04:43] } 45... Qb7 { [%eval -3.91] [%clk 0:04:36] } 46. Bc4 { [%eval -3.83] [%clk 0:05:07] } 46... Ra8 { [%eval -3.81] [%clk 0:04:54] } 47. Qd2 { [%eval -3.98] [%clk 0:05:22] } 47... Ra1 { [%eval -3.6] [%clk 0:05:05] } 48. h4 { [%eval -3.88] [%clk 0:04:38] } 48... h5 { [%eval -4.13] [%clk 0:04:52] } 49. Qf4 { [%eval -4.15] [%clk 0:04:39] } 49... Qe7 { [%eval -4.19] [%clk 0:05:05] } 50. Bd3 { [%eval -4.27] [%clk 0:02:39] } 50... Rd1 { [%eval -3.85] [%clk 0:04:08] } 51. Bc4 { [%eval -4.0] [%clk 0:02:56] } 51... Bd4 { [%eval -4.05] [%clk 0:03:15] } 52. b4 { [%eval -3.95] [%clk 0:01:32] } 52... Qf6 { [%eval -3.85] [%clk 0:03:12] } 53. Qg5?! { [%eval -5.6] } { Inaccuracy. Qe4 was best. } { [%clk 0:01:00] } 53... Qxg5?! { [%eval -4.26] } { Inaccuracy. cxb4 was best. } { [%clk 0:01:47] } 54. hxg5 { [%eval -4.17] [%clk 0:01:23] } 54... Rc1 { [%eval -4.3] [%clk 0:01:39] } 55. Bd3 { [%eval -5.06] [%clk 0:00:44] } 55... cxb4 { [%eval -5.11] [%clk 0:00:52] } 56. Nxd4 { [%eval -5.01] [%clk 0:00:35] } 56... Rd1 { [%eval -5.13] [%clk 0:01:17] } 57. Nc6 { [%eval -5.09] [%clk 0:00:49] } 57... Rxd3 { [%eval -5.08] [%clk 0:01:37] } 58. Nxb4 { [%eval -5.16] [%clk 0:01:15] } 58... Rd4 { [%eval -5.11] [%clk 0:01:57] } 59. Nc6 { [%eval -5.26] [%clk 0:01:15] } 59... Rxd5 { [%eval -5.29] [%clk 0:02:21] } 60. f4 { [%eval -5.22] [%clk 0:01:42] } 60... Rd3 { [%eval -5.27] [%clk 0:02:23] } 61. Nb4 { [%eval -5.61] [%clk 0:02:03] } 61... Rd1 { [%eval -5.24] [%clk 0:02:13] } 62. Kf3 { [%eval -5.56] [%clk 0:02:13] } 62... f6 { [%eval -5.49] [%clk 0:02:02] } 63. gxf6+ { [%eval -5.48] [%clk 0:01:33] } 63... Kxf6 { [%eval -5.6] [%clk 0:02:27] } 64. Ke2 { [%eval -6.03] [%clk 0:01:56] } 64... Rb1 { [%eval -5.91] [%clk 0:02:33] } 65. Nd5+ { [%eval -5.54] [%clk 0:02:07] } 65... Ke6 { [%eval -5.84] [%clk 0:02:53] } 66. Nc3 { [%eval -6.63] [%clk 0:02:28] } 66... Rb2+ { [%eval -6.19] [%clk 0:03:04] } 67. Ke3?! { [%eval -10.87] } { Inaccuracy. Kd1 was best. } { [%clk 0:02:24] } 67... Rb3 { [%eval -11.46] [%clk 0:03:09] } 68. Kd4 { [%eval -11.7] [%clk 0:02:44] } 68... Rxc3 { [%eval -11.11] [%clk 0:01:24] } 69. Kxc3 { [%eval -10.84] [%clk 0:03:06] } 69... Kf5 { [%eval -10.29] [%clk 0:01:37] } 70. Kd4 { [%eval -8.46] [%clk 0:02:54] } 0-1