Event: Round 2: Joshua Posthuma - Bator Sambuev
Date: 2023-03-13
White: Joshua Posthuma
WhiteTitle: IM
Black: Bator Sambuev
BlackTitle: GM
Result: 1-0
ECO: E04
Opening: Catalan Opening: Open Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:24:25] } 1... Nf6 { [%eval 0.28] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:24:43] } 2... e6 { [%eval 0.23] [%clk 1:31:18] } 3. g3 { [%eval 0.14] [%clk 1:25:08] } 3... d5 { [%eval 0.16] [%clk 1:31:22] } 4. Bg2 { [%eval 0.2] [%clk 1:25:30] } 4... c6 { [%eval 0.32] [%clk 1:31:43] } 5. Nf3 { [%eval 0.2] [%clk 1:25:46] } 5... dxc4 { [%eval 0.45] [%clk 1:32:08] } 6. Ne5 { [%eval 0.28] [%clk 1:25:49] } 6... Bb4+ { [%eval 0.29] [%clk 1:32:33] } 7. Nc3 { [%eval 0.0] [%clk 1:26:00] } 7... Nd5 { [%eval 0.06] [%clk 1:32:23] } 8. O-O { [%eval 0.22] [%clk 1:26:08] } 8... O-O { [%eval 0.5] [%clk 1:31:29] } 9. Qc2 { [%eval 0.43] [%clk 1:26:05] } 9... Nd7 { [%eval 0.69] [%clk 1:25:43] } 10. Nxc4 { [%eval 0.59] [%clk 1:24:00] } 10... N5b6 { [%eval 1.1] [%clk 1:20:51] } 11. Ne3 { [%eval 0.78] [%clk 1:08:10] } 11... Nf6 { [%eval 0.84] [%clk 1:17:59] } 12. Rd1 { [%eval 0.63] [%clk 1:07:35] } 12... Qe7 { [%eval 0.72] [%clk 1:17:57] } 13. f4 { [%eval 0.36] [%clk 0:30:11] } 13... Bd7 { [%eval 0.32] [%clk 1:15:22] } 14. a3 { [%eval 0.3] [%clk 0:28:42] } 14... Bd6 { [%eval 0.33] [%clk 1:08:22] } 15. b4 { [%eval 0.11] [%clk 0:27:13] } 15... a5 { [%eval 0.52] [%clk 1:05:35] } 16. bxa5 { [%eval 0.5] [%clk 0:27:25] } 16... Rxa5 { [%eval 0.46] [%clk 1:05:57] } 17. Rb1 { [%eval 0.59] [%clk 0:26:28] } 17... Ra6 { [%eval 0.57] [%clk 0:57:30] } 18. Ne4 { [%eval 0.5] [%clk 0:25:22] } 18... Nxe4?! { [%eval 1.31] } { Inaccuracy. h6 was best. } { [%clk 0:50:37] } 19. Bxe4 { [%eval 1.53] [%clk 0:24:45] } 19... c5 { [%eval 1.26] [%clk 0:50:40] } 20. Bxb7 { [%eval 1.24] [%clk 0:18:47] } 20... Ba4 { [%eval 1.27] [%clk 0:50:24] } 21. Qe4 { [%eval 1.47] [%clk 0:17:49] } 21... Ra7 { [%eval 1.46] [%clk 0:49:08] } 22. Rxb6 { [%eval 1.22] [%clk 0:15:00] } 22... Bxd1 { [%eval 1.43] [%clk 0:46:41] } 23. Nxd1 { [%eval 1.28] [%clk 0:13:12] } 23... cxd4?! { [%eval 2.06] } { Inaccuracy. Rb8 was best. } { [%clk 0:44:49] } 24. Ba6 { [%eval 1.87] [%clk 0:10:46] } 24... Bc5 { [%eval 1.93] [%clk 0:36:40] } 25. Bd3 { [%eval 2.03] [%clk 0:10:31] } 25... g6 { [%eval 1.97] [%clk 0:36:21] } 26. Rb3 { [%eval 1.81] [%clk 0:09:08] } 26... Rd8 { [%eval 2.36] [%clk 0:34:57] } 27. Nf2 { [%eval 2.26] [%clk 0:08:28] } 27... Bxa3 { [%eval 2.46] [%clk 0:33:34] } 28. Bxa3 { [%eval 2.42] [%clk 0:07:41] } 28... Rxa3 { [%eval 2.62] [%clk 0:33:44] } 29. Rb7 { [%eval 2.68] [%clk 0:06:04] } 29... Ra1+ { [%eval 2.98] [%clk 0:25:34] } 30. Kg2 { [%eval 2.91] [%clk 0:06:22] } 30... Rd7 { [%eval 3.0] [%clk 0:25:40] } 31. Qxd4?! { [%eval 1.94] } { Inaccuracy. Rxd7 was best. } { [%clk 0:04:34] } 31... Rxd4 { [%eval 2.1] [%clk 0:25:09] } 32. Rxe7 { [%eval 2.05] [%clk 0:04:57] } 32... Rda4 { [%eval 2.08] [%clk 0:25:08] } 33. Rc7 { [%eval 2.15] [%clk 0:02:05] } 33... Ra7 { [%eval 2.01] [%clk 0:25:08] } 34. Rc8+ { [%eval 2.04] [%clk 0:02:11] } 34... Kg7 { [%eval 1.92] [%clk 0:25:33] } 35. g4 { [%eval 2.04] [%clk 0:02:13] } 35... h6 { [%eval 2.17] [%clk 0:24:13] } 36. h4 { [%eval 1.75] [%clk 0:02:18] } 36... Ra8 { [%eval 1.91] [%clk 0:23:03] } 37. Rc6 { [%eval 1.79] [%clk 0:02:22] } 37... R8a4 { [%eval 2.18] [%clk 0:22:49] } 38. Kf3 { [%eval 2.04] [%clk 0:02:25] } 38... Rg1 { [%eval 2.04] [%clk 0:22:32] } 39. Rc7 { [%eval 1.92] [%clk 0:01:21] } 39... Rf1 { [%eval 1.95] [%clk 0:18:37] } 40. g5 { [%eval 1.78] [%clk 0:00:47] } 40... hxg5 { [%eval 1.98] [%clk 0:18:18] } 41. hxg5 { [%eval 1.62] [%clk 0:01:10] } 41... Rfa1 { [%eval 1.98] [%clk 0:18:06] } 42. Ne4 { [%eval 1.93] [%clk 0:01:15] } 42... Ra7 { [%eval 2.03] [%clk 0:18:09] } 43. Rc8 { [%eval 1.89] [%clk 0:01:21] } 43... Ra8 { [%eval 1.95] [%clk 0:18:29] } 44. Rc6 { [%eval 1.87] [%clk 0:01:28] } 44... R1a7 { [%eval 1.73] [%clk 0:18:48] } 45. Nf6 { [%eval 1.9] [%clk 0:01:24] } 45... Kf8 { [%eval 1.99] [%clk 0:18:54] } 46. Ng4 { [%eval 1.81] [%clk 0:01:05] } 46... Kg7 { [%eval 1.73] [%clk 0:18:55] } 47. Ne5 { [%eval 1.7] [%clk 0:01:07] } 47... Kg8? { [%eval 3.41] } { Mistake. Re7 was best. } { [%clk 0:18:17] } 48. Nxg6 { [%eval 3.39] [%clk 0:00:55] } 48... fxg6 { [%eval 3.42] [%clk 0:18:18] } 49. Rxe6 { [%eval 3.4] [%clk 0:01:07] } 49... Ra4?! { [%eval 4.43] } { Inaccuracy. Ra1 was best. } { [%clk 0:17:38] } 50. Rxg6+ { [%eval 4.47] [%clk 0:01:24] } 50... Kf7 { [%eval 4.44] [%clk 0:18:02] } 51. Rh6 { [%eval 4.15] [%clk 0:01:19] } 51... Rd8 { [%eval 4.28] [%clk 0:17:52] } 52. f5 { [%eval 4.11] [%clk 0:01:03] } 52... Rdd4 { [%eval 4.78] [%clk 0:17:00] } 53. Rh7+ { [%eval 5.09] [%clk 0:01:12] } 53... Kg8 { [%eval 5.14] [%clk 0:17:13] } 54. Rc7 { [%eval 4.92] [%clk 0:01:21] } 54... Rf4+ { [%eval 5.8] [%clk 0:17:18] } 55. Ke3 { [%eval 5.73] [%clk 0:01:43] } 55... Rg4 { [%eval 6.11] [%clk 0:17:43] } 56. g6 { [%eval 5.7] [%clk 0:01:50] } 56... Rg3+ { [%eval 6.08] [%clk 0:17:29] } 57. Kf2 { [%eval 6.66] [%clk 0:01:43] } 57... Rgg4 { [%eval 9.33] [%clk 0:17:04] } 58. Kf3? { [%eval 5.12] } { Mistake. e3 was best. } { [%clk 0:01:30] } 58... Raf4+ { [%eval 5.9] [%clk 0:15:32] } 59. Ke3 { [%eval 6.09] [%clk 0:01:58] } 59... Rf1 { [%eval 6.38] [%clk 0:15:49] } 60. Bc4+?! { [%eval 4.67] } { Inaccuracy. Be4 was best. } { [%clk 0:01:19] } 60... Kf8?! { [%eval 6.47] } { Inaccuracy. Rxc4 was best. } { [%clk 0:16:02] } 61. Rf7+ { [%eval 5.45] [%clk 0:01:23] } 61... Kg8 { [%eval 6.6] [%clk 0:16:13] } 62. Be6 { [%eval 8.98] [%clk 0:01:18] } 62... Rg3+ { [%eval 11.52] [%clk 0:16:18] } 63. Kd4 { [%eval 11.59] [%clk 0:01:06] } 63... Re1?! { [%eval #7] } { Checkmate is now unavoidable. Rh1 was best. } { [%clk 0:15:39] } 64. Ke5? { [%eval 7.38] } { Lost forced checkmate sequence. Rh7+ was best. } { [%clk 0:00:55] } 64... Rxe2+ { [%eval 10.53] [%clk 0:15:36] } 65. Kf6 { [%eval 8.68] [%clk 0:01:21] } 65... Rxe6+ 1-0