Event: Round 9: David Brodsky - Joshua Posthuma
Date: 2023-08-06
White: David Brodsky
Black: Joshua Posthuma
Result: 1/2-1/2
ECO: B32
Opening: Sicilian Defense: Löwenthal Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:32:58] } 1... c5 { [%eval 0.32] [%clk 1:40:52] } 2. Nf3 { [%eval 0.0] [%clk 1:33:21] } 2... Nc6 { [%eval 0.0] [%clk 1:41:16] } 3. d4 { [%eval 0.33] [%clk 1:33:47] } 3... cxd4 { [%eval 0.38] [%clk 1:41:37] } 4. Nxd4 { [%eval 0.29] [%clk 1:34:13] } 4... e5 { [%eval 0.36] [%clk 1:41:54] } 5. Nb5 { [%eval 0.17] [%clk 1:34:38] } 5... a6 { [%eval 0.66] [%clk 1:42:13] } 6. Nd6+ { [%eval 0.52] [%clk 1:35:03] } 6... Bxd6 { [%eval 0.59] [%clk 1:42:36] } 7. Qxd6 { [%eval 0.53] [%clk 1:35:29] } 7... Qf6 { [%eval 0.61] [%clk 1:42:57] } 8. Qd1 { [%eval 0.63] [%clk 1:35:16] } 8... Qg6 { [%eval 0.69] [%clk 1:43:20] } 9. Nc3 { [%eval 0.59] [%clk 1:35:38] } 9... d5 { [%eval 0.61] [%clk 1:43:41] } 10. Nxd5 { [%eval 0.5] [%clk 1:35:21] } 10... Qxe4+ { [%eval 0.55] [%clk 1:43:59] } 11. Be3 { [%eval 0.56] [%clk 1:35:38] } 11... Nd4 { [%eval 0.5] [%clk 1:44:11] } 12. Nc7+ { [%eval 0.46] [%clk 1:36:03] } 12... Ke7 { [%eval 0.35] [%clk 1:44:32] } 13. Be2 { [%eval 0.08] [%clk 1:36:20] } 13... Nxc2+ { [%eval 1.0] [%clk 1:35:56] } 14. Kf1 { [%eval 1.01] [%clk 1:36:20] } 14... Nxe3+ { [%eval 0.96] [%clk 1:33:51] } 15. fxe3 { [%eval 0.46] [%clk 1:36:43] } 15... Bh3 { [%eval 0.17] [%clk 1:30:41] } 16. Nd5+ { [%eval 0.22] [%clk 1:17:03] } 16... Kf8 { [%eval 0.99] [%clk 1:30:19] } 17. Bf3 { [%eval 0.75] [%clk 1:17:23] } 17... Qc4+ { [%eval 1.17] [%clk 1:27:12] } 18. Kg1 { [%eval 1.03] [%clk 1:15:42] } 18... Rd8 { [%eval 1.07] [%clk 1:19:11] } 19. Rc1 { [%eval 1.1] [%clk 1:09:54] } 19... Qh4 { [%eval 0.67] [%clk 1:17:12] } 20. gxh3 { [%eval 0.87] [%clk 0:46:59] } 20... e4 { [%eval 1.46] [%clk 1:15:26] } 21. Qd4 { [%eval 1.07] [%clk 0:29:27] } 21... Qg5+ { [%eval 1.36] [%clk 1:10:35] } 22. Bg4? { [%eval -0.02] } { Mistake. Kf2 was best. } { [%clk 0:26:18] } 22... Qxd5 { [%eval 0.0] [%clk 1:03:43] } 23. Qxd5 { [%eval -0.08] [%clk 0:23:10] } 23... Rxd5 { [%eval -0.03] [%clk 1:04:11] } 24. Rc8+ { [%eval -0.02] [%clk 0:23:34] } 24... Ke7 { [%eval 0.0] [%clk 1:04:32] } 25. Kf2 { [%eval 0.0] [%clk 0:22:06] } 25... Rd2+ { [%eval 0.0] [%clk 0:40:17] } 26. Be2 { [%eval 0.0] [%clk 0:21:44] } 26... Rd8 { [%eval 0.0] [%clk 0:26:23] } 27. Rhc1 { [%eval 0.0] [%clk 0:21:15] } 27... Nf6 { [%eval 0.0] [%clk 0:24:28] } 28. R1c7+ { [%eval 0.0] [%clk 0:20:57] } 28... Ke6 { [%eval 0.0] [%clk 0:19:59] } 29. Rxd8 { [%eval 0.1] [%clk 0:19:39] } 29... Rxd8 { [%eval 0.06] [%clk 0:20:28] } 30. Rxb7 { [%eval 0.0] [%clk 0:19:49] } 30... Rd2 { [%eval 0.0] [%clk 0:15:32] } 31. Rb6+ { [%eval 0.02] [%clk 0:19:06] } 31... Kd7?! { [%eval 0.66] } { Inaccuracy. Ke5 was best. } { [%clk 0:13:19] } 32. Ke1 { [%eval 0.85] [%clk 0:17:03] } 32... Kc7?! { [%eval 1.85] } { Inaccuracy. Rc2 was best. } { [%clk 0:13:32] } 33. Kxd2 { [%eval 1.94] [%clk 0:11:54] } 33... Kxb6 { [%eval 1.8] [%clk 0:14:01] } 34. Kc3 { [%eval 1.3] [%clk 0:12:17] } 34... Nd7 { [%eval 0.85] [%clk 0:11:25] } 35. Kd4 { [%eval 0.87] [%clk 0:12:03] } 35... Nc5? { [%eval 2.62] } { Mistake. f5 was best. } { [%clk 0:06:45] } 36. Bc4 { [%eval 2.7] [%clk 0:11:13] } 36... f6 { [%eval 2.55] [%clk 0:06:18] } 37. b4? { [%eval 0.9] } { Mistake. h4 was best. } { [%clk 0:09:57] } 37... Nd3 { [%eval 0.96] [%clk 0:06:13] } 38. a3 { [%eval 0.55] [%clk 0:09:54] } 38... Nf2?! { [%eval 1.15] } { Inaccuracy. Ne5 was best. } { [%clk 0:05:54] } 39. h4 { [%eval 1.48] [%clk 0:06:36] } 39... a5 { [%eval 1.16] [%clk 0:04:12] } 40. bxa5+?! { [%eval 0.41] } { Inaccuracy. h5 was best. } { [%clk 0:03:58] } 40... Kxa5 { [%eval 0.35] [%clk 0:04:34] } 41. Bb3 { [%eval 0.34] [%clk 0:01:29] } 41... h5?! { [%eval 0.96] } { Inaccuracy. Ng4 was best. } { [%clk 0:13:20] } 42. Bf7?! { [%eval 0.34] } { Inaccuracy. Bc2 was best. } { [%clk 0:24:43] } 42... Ka4 { [%eval 0.34] [%clk 0:12:36] } 43. Bxh5 { [%eval 0.36] [%clk 0:25:00] } 43... Kxa3 { [%eval 0.33] [%clk 0:12:58] } 44. Bg6 { [%eval 0.33] [%clk 0:24:34] } 44... Kb2 { [%eval 0.34] [%clk 0:11:56] } 45. Bxe4 { [%eval 0.3] [%clk 0:24:09] } 45... Kc1 { [%eval 0.34] [%clk 0:12:05] } 46. Bf3 { [%eval 0.3] [%clk 0:19:59] } 46... Kd2 { [%eval 0.31] [%clk 0:12:10] } 47. h5 { [%eval 0.28] [%clk 0:19:16] } 47... Nd3 { [%eval 0.33] [%clk 0:11:11] } 48. Ke4 { [%eval 0.36] [%clk 0:16:10] } 48... Ne5 { [%eval 0.36] [%clk 0:10:19] } 49. Kf4 { [%eval 0.34] [%clk 0:11:32] } 49... Nd3+ { [%eval 0.38] [%clk 0:10:07] } 50. Ke4 { [%eval 0.28] [%clk 0:10:41] } 50... Ne5 { [%eval 0.35] [%clk 0:08:27] } 51. h4 { [%eval 0.31] [%clk 0:10:50] } 51... Nc4 { [%eval 0.31] [%clk 0:05:07] } 52. Kf5 { [%eval 0.33] [%clk 0:10:39] } 52... Kxe3 { [%eval 0.28] [%clk 0:05:28] } 53. Kg6 { [%eval 0.31] [%clk 0:09:58] } 53... Kxf3 { [%eval 0.31] [%clk 0:04:55] } 54. Kxg7 { [%eval 0.31] [%clk 0:10:04] } 54... Ne3 { [%eval 0.3] [%clk 0:04:38] } 55. Kxf6 { [%eval 0.33] [%clk 0:09:11] } 55... Ng4+ { [%eval 0.29] [%clk 0:04:41] } 56. Kg5 { [%eval 0.28] [%clk 0:09:37] } 56... Kg3 { [%eval 0.28] [%clk 0:05:00] } 57. h6 { [%eval 0.05] [%clk 0:10:04] } 57... Nxh6 { [%eval 0.23] [%clk 0:05:27] } 58. Kxh6 { [%eval 0.0] [%clk 0:10:30] } 58... Kxh4 { [%clk 0:05:55] } 1/2-1/2