Event: Round 6: Chris Biju, Calvin - Vaidyanathan, Sathya
Date: 2024-08-01
White: Chris Biju, Calvin
WhiteElo: 2008
Black: Vaidyanathan, Sathya
BlackElo: 1816
Result: 1/2-1/2
ECO: D02
Opening: Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:15] } 1... d5 { [%eval 0.23] [%clk 1:30:41] } 2. Nf3 { [%eval 0.2] [%clk 1:30:37] } 2... Nf6 { [%eval 0.14] [%clk 1:30:56] } 3. g3 { [%eval 0.0] [%clk 1:30:32] } 3... Bf5 { [%eval 0.17] [%clk 1:29:55] } 4. Bg2 { [%eval 0.0] [%clk 1:30:20] } 4... e6 { [%eval 0.0] [%clk 1:30:17] } 5. O-O { [%eval 0.0] [%clk 1:30:17] } 5... Bd6 { [%eval 0.32] [%clk 1:27:58] } 6. c4 { [%eval 0.39] [%clk 1:29:53] } 6... c6 { [%eval 0.32] [%clk 1:27:27] } 7. Nc3 { [%eval 0.3] [%clk 1:28:27] } 7... Nbd7 { [%eval 0.46] [%clk 1:25:43] } 8. Re1 { [%eval 0.18] [%clk 1:25:27] } 8... Ne4?! { [%eval 0.73] } { Inaccuracy. O-O was best. } { [%clk 1:19:26] } 9. Nd2 { [%eval 0.23] [%clk 1:21:37] } 9... Nxd2 { [%eval 0.28] [%clk 1:16:15] } 10. Bxd2 { [%eval 0.28] [%clk 1:21:50] } 10... Bb4? { [%eval 1.65] } { Mistake. Nf6 was best. } { [%clk 1:00:33] } 11. Qb3?! { [%eval 0.84] } { Inaccuracy. cxd5 was best. } { [%clk 1:19:33] } 11... Bxc3?! { [%eval 1.95] } { Inaccuracy. a5 was best. } { [%clk 1:00:14] } 12. bxc3?! { [%eval 0.8] } { Inaccuracy. Bxc3 was best. } { [%clk 1:19:34] } 12... Nb6 { [%eval 0.8] [%clk 0:52:44] } 13. c5 { [%eval 0.7] [%clk 1:15:04] } 13... Nc4 { [%eval 0.69] [%clk 0:52:17] } 14. Bf4 { [%eval 0.78] [%clk 1:15:26] } 14... g5 { [%eval 1.08] [%clk 0:39:31] } 15. Bc1 { [%eval 1.25] [%clk 1:09:18] } 15... Rb8 { [%eval 1.15] [%clk 0:39:24] } 16. e4 { [%eval 1.17] [%clk 1:07:45] } 16... Bg6 { [%eval 1.26] [%clk 0:38:54] } 17. exd5 { [%eval 0.74] [%clk 1:04:05] } 17... cxd5 { [%eval 0.74] [%clk 0:38:20] } 18. Qa4+ { [%eval 0.98] [%clk 1:00:28] } 18... Qd7 { [%eval 1.38] [%clk 0:37:29] } 19. Qxd7+? { [%eval -0.07] } { Mistake. Qd1 was best. } { [%clk 0:58:52] } 19... Kxd7 { [%eval -0.02] [%clk 0:37:57] } 20. Bxg5 { [%eval 0.0] [%clk 0:59:13] } 20... b6 { [%eval -0.11] [%clk 0:36:32] } 21. Bf4 { [%eval -0.07] [%clk 0:52:40] } 21... Rbc8 { [%eval 0.47] [%clk 0:36:11] } 22. cxb6 { [%eval 0.32] [%clk 0:47:06] } 22... Nxb6 { [%eval 0.48] [%clk 0:35:21] } 23. Rec1 { [%eval 0.15] [%clk 0:42:36] } 23... Na4? { [%eval 1.5] } { Mistake. Nc4 was best. } { [%clk 0:32:50] } 24. c4? { [%eval 0.15] } { Mistake. Bf1 was best. } { [%clk 0:35:56] } 24... dxc4 { [%eval 0.22] [%clk 0:29:46] } 25. Bb7 { [%eval -0.31] [%clk 0:36:15] } 25... c3 { [%eval -0.24] [%clk 0:23:56] } 26. Ba6 { [%eval -0.41] [%clk 0:34:59] } 26... Ke7 { [%eval -0.3] [%clk 0:20:08] } 27. d5 { [%eval -0.44] [%clk 0:31:40] } 27... Rc5 { [%eval -0.43] [%clk 0:16:12] } 28. dxe6 { [%eval -0.35] [%clk 0:29:03] } 28... fxe6 { [%eval -0.48] [%clk 0:15:51] } 29. Be3 { [%eval -0.78] [%clk 0:29:01] } 29... Rc7?! { [%eval 0.2] } { Inaccuracy. Ra5 was best. } { [%clk 0:14:23] } 30. Bb5 { [%eval 0.18] [%clk 0:28:34] } 30... Nb6 { [%eval 0.2] [%clk 0:11:16] } 31. Bd4 { [%eval 0.16] [%clk 0:25:41] } 31... Rhc8 { [%eval 0.33] [%clk 0:10:10] } 32. Ba6 { [%eval 0.45] [%clk 0:26:01] } 32... c2 { [%eval 0.36] [%clk 0:07:19] } 33. Bxb6 { [%eval 0.06] [%clk 0:23:29] } 33... axb6 { [%eval 0.09] [%clk 0:07:42] } 34. Bxc8 { [%eval 0.0] [%clk 0:23:54] } 34... Rxc8 { [%eval 0.1] [%clk 0:08:10] } 35. a3?? { [%eval -2.07] } { Blunder. Kf1 was best. } { [%clk 0:23:29] } 35... Rd8?? { [%eval 0.05] } { Blunder. Kd6 was best. } { [%clk 0:07:14] } 36. Kf1 { [%eval 0.09] [%clk 0:23:32] } 36... Kd6 { [%eval 0.62] [%clk 0:06:45] } 37. Ke1 { [%eval 0.55] [%clk 0:22:47] } 37... Kc5?! { [%eval 1.55] } { Inaccuracy. b5 was best. } { [%clk 0:07:00] } 38. Ra2 { [%eval 1.35] [%clk 0:22:31] } 38... b5? { [%eval 3.24] } { Mistake. Kc4 was best. } { [%clk 0:02:05] } 39. Raxc2+ { [%eval 3.5] [%clk 0:20:01] } 39... Bxc2 { [%eval 3.46] [%clk 0:02:29] } 40. Rxc2+ { [%eval 3.39] [%clk 0:20:28] } 40... Kb6 { [%eval 3.39] [%clk 0:02:34] } 41. Ke2 { [%eval 3.18] [%clk 0:19:43] } 41... Ra8 { [%eval 3.98] [%clk 0:27:35] } 42. Rc3 { [%eval 3.94] [%clk 0:49:59] } 42... Rg8 { [%eval 4.13] [%clk 0:22:51] } 43. f4 { [%eval 4.16] [%clk 0:47:56] } 43... Rg6 { [%eval 4.64] [%clk 0:22:15] } 44. Kf3 { [%eval 4.38] [%clk 0:47:26] } 44... Rh6 { [%eval 4.95] [%clk 0:21:03] } 45. h4 { [%eval 4.8] [%clk 0:47:51] } 45... Rh5 { [%eval 4.98] [%clk 0:18:26] } 46. Re3 { [%eval 4.94] [%clk 0:46:20] } 46... Rh6 { [%eval 4.95] [%clk 0:18:28] } 47. Ke4 { [%eval 4.72] [%clk 0:46:19] } 47... Kc5 { [%eval 4.79] [%clk 0:18:31] } 48. Kd3 { [%eval 4.37] [%clk 0:44:11] } 48... Rg6 { [%eval 4.29] [%clk 0:17:41] } 49. Re5+ { [%eval 4.16] [%clk 0:44:04] } 49... Kd6 { [%eval 4.91] [%clk 0:17:45] } 50. Rg5 { [%eval 4.9] [%clk 0:44:26] } 50... Rf6 { [%eval 4.8] [%clk 0:11:20] } 51. Rxb5 { [%eval 4.74] [%clk 0:44:38] } 51... Rf8 { [%eval 4.84] [%clk 0:11:41] } 52. a4 { [%eval 4.83] [%clk 0:44:21] } 52... Rg8 { [%eval 4.83] [%clk 0:10:41] } 53. Rg5 { [%eval 4.79] [%clk 0:44:42] } 53... Ra8 { [%eval 4.72] [%clk 0:11:03] } 54. a5 { [%eval 4.71] [%clk 0:45:07] } 54... h6 { [%eval 4.71] [%clk 0:11:25] } 55. Re5 { [%eval 4.78] [%clk 0:44:05] } 55... Rg8 { [%eval 4.65] [%clk 0:11:40] } 56. Re3 { [%eval 4.6] [%clk 0:44:18] } 56... Ra8 { [%eval 4.66] [%clk 0:12:07] } 57. Re5 { [%eval 4.69] [%clk 0:40:56] } 57... Rg8 { [%eval 4.62] [%clk 0:12:29] } 58. a6 { [%eval 4.51] [%clk 0:38:26] } 58... Rxg3+ { [%eval 4.28] [%clk 0:12:30] } 59. Ke4?? { [%eval 0.0] } { Blunder. Re3 was best. } { [%clk 0:37:51] } 59... Ra3 { [%eval 0.0] [%clk 0:12:00] } 60. Rh5 { [%eval 0.0] [%clk 0:38:06] } 60... Rxa6 { [%eval 0.0] [%clk 0:11:50] } 61. Rxh6 { [%eval 0.0] [%clk 0:37:36] } 61... Ke7 { [%eval 0.0] [%clk 0:09:48] } 62. Rg6 { [%eval 0.0] [%clk 0:36:26] } 62... Kf7 { [%eval 0.0] [%clk 0:09:46] } 63. Rg3 { [%eval 0.0] [%clk 0:32:50] } 63... Ra5 { [%eval 0.0] [%clk 0:08:58] } 64. Kf3 { [%eval 0.0] [%clk 0:31:56] } 64... Rh5 { [%eval 0.0] [%clk 0:08:30] } 65. Kg4 { [%eval 0.0] [%clk 0:32:20] } 65... Rh6 { [%eval 0.0] [%clk 0:08:19] } 66. h5 { [%eval 0.0] [%clk 0:32:14] } 66... Kf6 { [%eval 0.0] [%clk 0:08:11] } 67. Rh3 { [%eval 0.0] [%clk 0:30:48] } 67... Rh8 { [%eval 0.0] [%clk 0:07:54] } 68. h6 { [%eval 0.0] [%clk 0:31:05] } 68... Kg6 { [%eval 0.0] [%clk 0:07:25] } 69. Re3 { [%eval 0.0] [%clk 0:25:09] } 69... Re8 { [%eval 0.0] [%clk 0:05:54] } 70. h7 { [%eval 0.0] [%clk 0:24:26] } 70... Kxh7 { [%eval 0.0] [%clk 0:06:17] } 71. Kg5 { [%eval 0.0] [%clk 0:23:01] } 71... Kg7 { [%clk 0:06:12] } 72. f5 { [%clk 0:21:57] } 1/2-1/2