Event: Round 8: Terry P D Chapman - Nathan Birnboim
Date: 2021-10-03
White: Terry P D Chapman
Black: Nathan Birnboim
Result: 1/2-1/2
ECO: E11
Opening: Bogo-Indian Defense: Retreat Variation
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:30:58] } 1... Nf6 { [%eval 0.25] [%clk 1:28:29] } 2. c4 { [%eval 0.15] [%clk 1:31:22] } 2... e6 { [%eval 0.28] [%clk 1:28:31] } 3. g3 { [%eval 0.09] [%clk 1:31:42] } 3... d5 { [%eval 0.13] [%clk 1:28:48] } 4. d4 { [%eval 0.17] [%clk 1:32:04] } 4... Bb4+ { [%eval 0.32] [%clk 1:29:04] } 5. Bd2 { [%eval 0.0] [%clk 1:32:28] } 5... Be7 { [%eval 0.14] [%clk 1:29:28] } 6. Bg2 { [%eval 0.0] [%clk 1:32:52] } 6... O-O { [%eval 0.32] [%clk 1:29:43] } 7. O-O { [%eval 0.13] [%clk 1:32:56] } 7... c6 { [%eval 0.17] [%clk 1:29:18] } 8. Qc2 { [%eval 0.21] [%clk 1:33:06] } 8... b6 { [%eval 0.06] [%clk 1:29:19] } 9. Rd1 { [%eval 0.08] [%clk 1:32:28] } 9... Ba6 { [%eval 0.36] [%clk 1:26:31] } 10. b3 { [%eval 0.24] [%clk 1:30:46] } 10... Nbd7 { [%eval 0.25] [%clk 1:26:03] } 11. Bf4 { [%eval 0.0] [%clk 1:29:32] } 11... Rc8 { [%eval 0.07] [%clk 1:25:05] } 12. Nc3 { [%eval 0.37] [%clk 1:23:55] } 12... b5?! { [%eval 1.14] } { Inaccuracy. Nh5 was best. } { [%clk 1:12:57] } 13. c5 { [%eval 1.0] [%clk 1:21:34] } 13... b4 { [%eval 1.19] [%clk 1:10:29] } 14. Nb1?! { [%eval 0.6] } { Inaccuracy. Na4 was best. } { [%clk 1:17:29] } 14... Bb5 { [%eval 0.52] [%clk 1:06:28] } 15. a3 { [%eval 0.52] [%clk 1:01:56] } 15... a5 { [%eval 0.33] [%clk 1:06:04] } 16. Bf1 { [%eval 0.34] [%clk 1:01:33] } 16... Ne4 { [%eval 0.57] [%clk 1:01:42] } 17. axb4 { [%eval 0.56] [%clk 0:55:11] } 17... axb4 { [%eval 0.33] [%clk 1:02:07] } 18. Nfd2?! { [%eval -0.42] } { Inaccuracy. Bd2 was best. } { [%clk 0:52:02] } 18... Nef6?! { [%eval 0.57] } { Inaccuracy. Nexc5 was best. } { [%clk 0:51:04] } 19. Nf3 { [%eval 0.31] [%clk 0:51:52] } 19... Ra8 { [%eval 0.47] [%clk 0:45:51] } 20. Nbd2 { [%eval 0.5] [%clk 0:51:51] } 20... Nh5?! { [%eval 1.08] } { Inaccuracy. h6 was best. } { [%clk 0:36:34] } 21. Ne5?? { [%eval -0.52] } { Blunder. e3 was best. } { [%clk 0:40:47] } 21... Rxa1 { [%eval -0.35] [%clk 0:29:58] } 22. Rxa1 { [%eval -0.24] [%clk 0:41:13] } 22... Nxf4 { [%eval -0.43] [%clk 0:30:09] } 23. gxf4 { [%eval -0.1] [%clk 0:40:11] } 23... Nxe5 { [%eval -0.16] [%clk 0:29:53] } 24. fxe5 { [%eval -0.35] [%clk 0:38:40] } 24... f6 { [%eval -0.15] [%clk 0:28:36] } 25. Nf3 { [%eval -0.48] [%clk 0:37:21] } 25... fxe5 { [%eval -0.44] [%clk 0:28:25] } 26. dxe5 { [%eval -0.41] [%clk 0:36:19] } 26... Qe8?! { [%eval 0.25] } { Inaccuracy. d4 was best. } { [%clk 0:18:04] } 27. Ra7 { [%eval 0.0] [%clk 0:24:07] } 27... Qh5 { [%eval 0.0] [%clk 0:16:54] } 28. Bg2 { [%eval -0.19] [%clk 0:24:23] } 28... Bg5 { [%eval -0.04] [%clk 0:15:32] } 29. Nd4 { [%eval 0.0] [%clk 0:14:31] } 29... Rxf2 { [%eval -1.17] [%clk 0:11:45] } 30. Nxb5?? { [%eval -8.66] } { Blunder. Kxf2 was best. } { [%clk 0:11:51] } 30... Be3 { [%eval -8.08] [%clk 0:11:02] } 31. Kh1 { [%eval -8.92] [%clk 0:08:51] } 31... cxb5?? { [%eval -3.14] } { Blunder. g6 was best. } { [%clk 0:05:51] } 32. Ra8+ { [%eval -3.26] [%clk 0:08:11] } 32... Rf8 { [%eval -3.0] [%clk 0:06:02] } 33. Rxf8+ { [%eval -3.01] [%clk 0:05:51] } 33... Kxf8 { [%eval -2.87] [%clk 0:06:24] } 34. c6 { [%eval -3.03] [%clk 0:05:08] } 34... Qxe5 { [%eval -2.72] [%clk 0:06:00] } 35. Bf3 { [%eval -2.75] [%clk 0:03:29] } 35... Qa1+? { [%eval -1.49] } { Mistake. Qg5 was best. } { [%clk 0:03:27] } 36. Kg2 { [%eval -1.36] [%clk 0:03:57] } 36... Qg1+ { [%eval -1.14] [%clk 0:03:50] } 37. Kh3 { [%eval -1.49] [%clk 0:04:25] } 37... Bf4 { [%eval -1.14] [%clk 0:03:54] } 38. e4 { [%eval -1.69] [%clk 0:03:20] } 38... Qe3 { [%eval -1.55] [%clk 0:02:33] } 39. Kg2 { [%eval -1.57] [%clk 0:03:04] } 39... Qc3 { [%eval -1.44] [%clk 0:02:15] } 40. Qe2?! { [%eval -2.56] } { Inaccuracy. Qf2 was best. } { [%clk 0:01:28] } 40... d4 { [%eval -2.32] [%clk 0:00:41] } 41. Qxb5 { [%eval -2.31] [%clk 0:28:50] } 41... d3?! { [%eval -1.57] } { Inaccuracy. Qc2+ was best. } { [%clk 0:30:21] } 42. Qb7?! { [%eval -2.51] } { Inaccuracy. Qb6 was best. } { [%clk 0:28:12] } 42... Qc2+ { [%eval -1.96] } 43. Kf1 { [%eval -1.74] [%clk 0:27:20] } 43... Qc1+ { [%eval -2.49] [%clk 0:16:42] } 44. Kg2 { [%eval -2.2] [%clk 0:27:33] } 44... Qd2+ { [%eval -2.46] [%clk 0:17:00] } 45. Kf1 { [%eval -2.46] [%clk 0:27:20] } 45... Qc1+ { [%eval -2.15] [%clk 0:09:33] } 46. Kg2 { [%eval -2.36] [%clk 0:27:45] } 46... Qc2+?! { [%eval -1.58] } { Inaccuracy. Qd2+ was best. } { [%clk 0:09:52] } 47. Kf1 { [%eval -1.5] [%clk 0:28:03] } 47... Be5? { [%eval -0.01] } { Mistake. Bxh2 was best. } { [%clk 0:09:03] } 48. Qc8+ { [%eval -0.01] [%clk 0:27:20] } 48... Ke7 { [%eval -0.12] [%clk 0:08:46] } 49. Qd7+ { [%eval -0.21] [%clk 0:27:11] } 49... Kf6 { [%eval -0.03] [%clk 0:08:31] } 50. Qd8+ { [%eval -0.03] [%clk 0:27:00] } 50... Kg6 { [%eval 0.0] [%clk 0:08:38] } 51. Qe8+ { [%eval -0.02] [%clk 0:27:24] } 51... Kg5 { [%eval 0.0] [%clk 0:07:42] } 52. Qh5+ { [%eval -0.02] [%clk 0:15:21] } 52... Kf4 { [%eval 0.0] [%clk 0:07:40] } 53. Bd1 { [%eval -0.02] [%clk 0:15:39] } 53... Qc1 { [%eval 0.0] [%clk 0:04:20] } 54. Qh4+ { [%eval 0.0] [%clk 0:06:04] } 54... Ke3 { [%eval 0.0] [%clk 0:04:37] } 55. Qe1+ { [%eval 0.0] [%clk 0:06:13] } 55... Kf4 { [%eval 0.0] [%clk 0:04:07] } 56. Qh4+ { [%eval 0.0] [%clk 0:06:24] } 56... Ke3 { [%eval 0.0] [%clk 0:04:27] } 57. Qh5?? { [%eval -9.04] } { Blunder. Qe1+ was best. } 57... Kf4?? { [%eval 0.0] } { Blunder. g6 was best. } 58. Qf3+ { [%eval -0.38] } 58... Kg5 { [%eval -0.31] } 59. h4+ { [%eval -0.35] [%clk 0:06:52] } 59... Kg6 { [%eval -0.3] [%clk 0:03:54] } 1/2-1/2