Event: Round 4: Biswas Sourath - Sheikh Nasir Ahmed
Date: 2021-10-13
White: Biswas Sourath
Black: Sheikh Nasir Ahmed
Result: 1-0
ECO: A46
Opening: Indian Defense: London System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:24:38] } 1... Nf6 { [%eval 0.28] [%clk 1:30:46] } 2. Bf4 { [%eval 0.0] [%clk 1:25:00] } 2... e6 { [%eval 0.14] [%clk 1:31:07] } 3. Nf3 { [%eval 0.0] [%clk 1:25:24] } 3... c5 { [%eval 0.0] [%clk 1:31:21] } 4. e3 { [%eval 0.0] [%clk 1:25:45] } 4... b6 { [%eval 0.28] [%clk 1:31:24] } 5. c4 { [%eval 0.26] [%clk 1:25:45] } 5... Bb7 { [%eval 0.25] [%clk 1:31:40] } 6. d5 { [%eval 0.13] [%clk 1:25:37] } 6... exd5 { [%eval 0.12] [%clk 1:32:07] } 7. Nc3 { [%eval 0.16] [%clk 1:25:56] } 7... dxc4 { [%eval 0.4] [%clk 1:32:27] } 8. Nb5 { [%eval 0.87] [%clk 1:26:21] } 8... Na6 { [%eval 0.62] [%clk 1:32:49] } 9. Bxc4 { [%eval 0.53] [%clk 1:26:45] } 9... Be7 { [%eval 0.59] [%clk 1:32:58] } 10. Nd6+ { [%eval 0.75] [%clk 1:27:10] } 10... Bxd6 { [%eval 0.59] [%clk 1:33:22] } 11. Qxd6 { [%eval 0.45] [%clk 1:27:36] } 11... b5 { [%eval 0.57] [%clk 1:33:29] } 12. Be2 { [%eval 0.56] [%clk 1:26:58] } 12... Qa5+ { [%eval 0.83] [%clk 1:21:33] } 13. Kf1 { [%eval 1.06] [%clk 1:25:15] } 13... Rc8 { [%eval 0.31] [%clk 1:15:40] } 14. Qe5+ { [%eval 0.64] [%clk 1:24:29] } 14... Kf8 { [%eval 0.64] [%clk 1:16:02] } 15. Qd6+ { [%eval 0.5] [%clk 1:23:24] } 15... Kg8 { [%eval 0.72] [%clk 1:15:50] } 16. Ne5 { [%eval 0.91] [%clk 1:23:42] } 16... Qc7 { [%eval 1.05] [%clk 1:01:41] } 17. Rd1 { [%eval 1.06] [%clk 1:24:05] } 17... Qxd6 { [%eval 0.78] [%clk 0:56:01] } 18. Rxd6 { [%eval 1.0] [%clk 1:24:27] } 18... c4 { [%eval 1.15] [%clk 0:49:49] } 19. a4? { [%eval 0.08] } { Mistake. Bf3 was best. } { [%clk 1:09:15] } 19... Nc5 { [%eval 0.2] [%clk 0:46:51] } 20. axb5 { [%eval 0.26] [%clk 1:09:39] } 20... Nce4 { [%eval 0.26] [%clk 0:45:06] } 21. Rd4 { [%eval -0.14] [%clk 1:10:02] } 21... d5? { [%eval 1.16] } { Mistake. g5 was best. } { [%clk 0:42:12] } 22. Nc6? { [%eval 0.02] } { Mistake. f3 was best. } { [%clk 1:03:17] } 22... Bxc6 { [%eval 0.0] [%clk 0:40:48] } 23. bxc6 { [%eval 0.09] [%clk 1:02:44] } 23... Rxc6 { [%eval 0.0] [%clk 0:41:14] } 24. f3 { [%eval -0.04] [%clk 1:03:10] } 24... Nc5 { [%eval 0.32] [%clk 0:24:35] } 25. e4 { [%eval 0.31] [%clk 1:03:06] } 25... Ne6?? { [%eval 2.84] } { Blunder. Ra6 was best. } { [%clk 0:22:05] } 26. exd5 { [%eval 3.1] [%clk 1:03:28] } 26... Nxd4 { [%eval 2.93] [%clk 0:22:21] } 27. dxc6 { [%eval 3.05] [%clk 1:03:54] } 27... Nxc6 { [%eval 2.68] [%clk 0:22:49] } 28. Bxc4 { [%eval 3.05] [%clk 1:04:19] } 28... h6 { [%eval 3.0] [%clk 0:21:04] } 29. Kf2 { [%eval 3.21] [%clk 1:04:41] } 29... g5 { [%eval 2.97] [%clk 0:20:46] } 30. Be3?! { [%eval 2.24] } { Inaccuracy. Bd2 was best. } { [%clk 1:05:08] } 30... Kg7 { [%eval 2.35] [%clk 0:21:07] } 31. Bb5 { [%eval 2.09] [%clk 1:05:30] } 31... Ne5 { [%eval 2.24] [%clk 0:10:31] } 32. Bxa7 { [%eval 2.04] [%clk 1:05:46] } 32... Rd8 { [%eval 2.3] [%clk 0:10:58] } 33. Re1 { [%eval 1.96] [%clk 1:01:42] } 33... Nd3+ { [%eval 2.05] [%clk 0:07:38] } 34. Bxd3 { [%eval 2.47] [%clk 1:02:07] } 34... Rxd3 { [%eval 2.31] [%clk 0:08:03] } 35. Re3 { [%eval 1.94] [%clk 1:02:13] } 35... Rd2+ { [%eval 1.93] [%clk 0:06:39] } 36. Re2 { [%eval 2.15] [%clk 1:02:39] } 36... Rd3 { [%eval 2.28] [%clk 0:06:48] } 37. Ke1 { [%eval 2.56] [%clk 1:01:17] } 37... Kg6?! { [%eval 3.26] } { Inaccuracy. Rd7 was best. } { [%clk 0:07:06] } 38. Rd2 { [%eval 3.35] [%clk 1:01:42] } 38... Rb3 { [%eval 3.61] [%clk 0:07:26] } 39. Kd1?! { [%eval 2.45] } { Inaccuracy. Rd6 was best. } { [%clk 1:02:05] } 39... h5?! { [%eval 3.35] } { Inaccuracy. g4 was best. } { [%clk 0:06:16] } 40. Rd6 { [%eval 3.35] [%clk 1:30:33] } 40... Kf5 { [%eval 3.01] [%clk 0:36:44] } 41. Bd4 { [%eval 2.76] [%clk 1:30:35] } 41... Ne8 { [%eval 2.92] [%clk 0:36:52] } 42. Rd5+ { [%eval 2.74] [%clk 1:31:00] } 42... Kg6 { [%eval 2.9] [%clk 0:35:58] } 43. Kc2 { [%eval 2.91] [%clk 1:31:19] } 43... Rb8 { [%eval 2.8] [%clk 0:30:13] } 44. Be3 { [%eval 2.74] [%clk 1:31:45] } 44... f6 { [%eval 2.71] [%clk 0:30:24] } 45. Bd4 { [%eval 2.34] [%clk 1:32:11] } 45... h4 { [%eval 2.44] [%clk 0:29:49] } 46. Bc3 { [%eval 2.21] [%clk 1:32:27] } 46... Kf7 { [%eval 2.72] [%clk 0:29:45] } 47. Ra5 { [%eval 2.41] [%clk 1:30:42] } 47... Rb6 { [%eval 2.57] [%clk 0:28:32] } 48. f4? { [%eval 1.04] } { Mistake. b4 was best. } { [%clk 1:23:50] } 48... Re6?? { [%eval 3.98] } { Blunder. gxf4 was best. } { [%clk 0:21:45] } 49. fxg5 { [%eval 4.08] [%clk 1:22:18] } 49... Re2+ { [%eval 4.28] [%clk 0:20:52] } 50. Kd3 { [%eval 4.41] [%clk 1:22:44] } 50... Rxg2 { [%eval 4.52] [%clk 0:21:14] } 51. gxf6 { [%eval 4.33] [%clk 1:23:10] } 51... Rf2 { [%eval 4.72] [%clk 0:19:29] } 52. Ke3 { [%eval 4.86] [%clk 1:20:41] } 52... Rf1 { [%eval 4.96] [%clk 0:19:04] } 53. Rh5?! { [%eval 3.53] } { Inaccuracy. Ra4 was best. } { [%clk 1:21:06] } 53... Nd6?! { [%eval 4.82] } { Inaccuracy. Nxf6 was best. } { [%clk 0:16:22] } 54. Rxh4 { [%eval 4.87] [%clk 1:21:25] } 54... Rh1 { [%eval 5.4] [%clk 0:14:33] } 55. Rh7+ { [%eval 5.33] [%clk 1:21:30] } 55... Kg6 { [%eval 6.32] [%clk 0:14:31] } 56. Rg7+ { [%eval 6.48] [%clk 1:21:50] } 56... Kh6 { [%eval 6.65] [%clk 0:14:44] } 57. Rg2 { [%eval 5.76] [%clk 1:22:14] } 1-0