Event: Round 8: Biswas Sourath - Chatterjee Koustav
Date: 2021-10-05
White: Biswas Sourath
Black: Chatterjee Koustav
Result: 0-1
ECO: D01
Opening: Rapport-Jobava System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:22:01] } 1... Nf6 { [%eval 0.27] [%clk 1:29:25] } 2. Bf4 { [%eval 0.0] [%clk 1:22:25] } 2... g6 { [%eval 0.13] [%clk 1:29:45] } 3. Nc3 { [%eval 0.0] [%clk 1:22:50] } 3... d5 { [%eval 0.0] [%clk 1:30:11] } 4. e3 { [%eval 0.0] [%clk 1:23:16] } 4... Bg7 { [%eval 0.25] [%clk 1:30:37] } 5. h4 { [%eval -0.24] [%clk 1:23:41] } 5... c6 { [%eval 0.16] [%clk 1:31:04] } 6. Be2 { [%eval 0.0] [%clk 1:24:03] } 6... h5 { [%eval -0.13] [%clk 1:31:28] } 7. Nf3 { [%eval -0.13] [%clk 1:24:25] } 7... a5 { [%eval 0.0] [%clk 1:31:53] } 8. Ne5 { [%eval 0.17] [%clk 1:23:58] } 8... Nbd7 { [%eval 0.23] [%clk 1:31:32] } 9. Bf3?! { [%eval -0.58] } { Inaccuracy. Qd2 was best. } { [%clk 1:23:03] } 9... Nxe5 { [%eval -0.65] [%clk 1:21:12] } 10. Bxe5 { [%eval -0.57] [%clk 1:23:18] } 10... Kf8 { [%eval -0.37] [%clk 1:18:11] } 11. Ne2 { [%eval -0.74] [%clk 0:53:18] } 11... Qb6 { [%eval -0.53] [%clk 0:58:40] } 12. Rb1 { [%eval -0.94] [%clk 0:52:41] } 12... Ng4 { [%eval -0.61] [%clk 0:54:59] } 13. Bxg7+ { [%eval -0.65] [%clk 0:52:57] } 13... Kxg7 { [%eval -0.84] [%clk 0:55:23] } 14. Nc1 { [%eval -0.96] [%clk 0:43:15] } 14... e5 { [%eval -0.89] [%clk 0:51:38] } 15. dxe5 { [%eval -0.95] [%clk 0:42:58] } 15... Nxe5 { [%eval -0.86] [%clk 0:51:38] } 16. Be2?! { [%eval -1.82] } { Inaccuracy. Nd3 was best. } { [%clk 0:43:24] } 16... Bf5 { [%eval -1.9] [%clk 0:49:49] } 17. Nd3 { [%eval -2.06] [%clk 0:41:49] } 17... Ng4?! { [%eval -1.48] } { Inaccuracy. Rhe8 was best. } { [%clk 0:39:43] } 18. b4?! { [%eval -2.37] } { Inaccuracy. O-O was best. } { [%clk 0:37:04] } 18... axb4 { [%eval -2.11] [%clk 0:29:02] } 19. Rxb4 { [%eval -2.08] [%clk 0:35:55] } 19... Qc7?! { [%eval -1.19] } { Inaccuracy. Qa5 was best. } { [%clk 0:29:04] } 20. Qa1+ { [%eval -1.05] [%clk 0:36:08] } 20... f6 { [%eval -1.13] [%clk 0:23:43] } 21. Qb2?! { [%eval -1.79] } { Inaccuracy. Nf4 was best. } { [%clk 0:33:23] } 21... b5 { [%eval -2.06] [%clk 0:23:40] } 22. Nf4 { [%eval -1.47] [%clk 0:31:49] } 22... Qe5 { [%eval -1.79] [%clk 0:23:46] } 23. Bd3 { [%eval -2.17] [%clk 0:24:13] } 23... Bxd3?! { [%eval -1.25] } { Inaccuracy. c5 was best. } { [%clk 0:18:40] } 24. cxd3 { [%eval -0.95] [%clk 0:24:29] } 24... Qxb2 { [%eval -0.97] [%clk 0:16:29] } 25. Rxb2 { [%eval -0.96] [%clk 0:24:55] } 25... Ne5 { [%eval -1.11] [%clk 0:16:01] } 26. Ke2 { [%eval -1.08] [%clk 0:25:19] } 26... Ra3 { [%eval -1.34] [%clk 0:16:19] } 27. Rd1 { [%eval -1.38] [%clk 0:25:10] } 27... Kf7 { [%eval -1.12] [%clk 0:16:07] } 28. Rdd2?! { [%eval -1.7] } { Inaccuracy. d4 was best. } { [%clk 0:24:42] } 28... g5 { [%eval -1.61] [%clk 0:13:30] } 29. Nh3 { [%eval -1.27] [%clk 0:23:32] } 29... Rg8 { [%eval -1.73] [%clk 0:12:01] } 30. hxg5 { [%eval -1.64] [%clk 0:22:32] } 30... fxg5 { [%eval -1.92] [%clk 0:12:29] } 31. Rb3 { [%eval -1.88] [%clk 0:22:27] } 31... Ra4 { [%eval -1.68] [%clk 0:12:46] } 32. Kf1 { [%eval -2.25] [%clk 0:20:16] } 32... d4? { [%eval -0.91] } { Mistake. g4 was best. } { [%clk 0:09:20] } 33. Rc2 { [%eval -1.37] [%clk 0:18:39] } 33... Ke7?! { [%eval -0.72] } { Inaccuracy. dxe3 was best. } { [%clk 0:08:55] } 34. a3?! { [%eval -1.66] } { Inaccuracy. exd4 was best. } { [%clk 0:16:19] } 34... Kd6 { [%eval -1.33] [%clk 0:07:56] } 35. Kg1?! { [%eval -1.93] } { Inaccuracy. Ke2 was best. } { [%clk 0:12:07] } 35... h4 { [%eval -1.53] [%clk 0:07:25] } 36. f4 { [%eval -1.72] [%clk 0:09:00] } 36... gxf4 { [%eval -1.71] [%clk 0:07:03] } 37. exf4 { [%eval -1.42] [%clk 0:09:26] } 37... Nd7 { [%eval -1.54] [%clk 0:06:18] } 38. Ng5?! { [%eval -2.7] } { Inaccuracy. Rb4 was best. } { [%clk 0:09:03] } 38... Rf8 { [%eval -2.51] [%clk 0:06:04] } 39. Ne4+ { [%eval -2.27] [%clk 0:09:28] } 39... Kd5 { [%eval -2.37] [%clk 0:05:50] } 40. Rf2 { [%eval -2.35] [%clk 0:07:55] } 40... Rfa8 { [%eval -2.5] [%clk 0:05:26] } 41. Rbb2?! { [%eval -3.39] } { Inaccuracy. Ra2 was best. } { [%clk 0:00:57] } 41... Rxa3 { [%eval -3.47] [%clk 0:05:38] } 42. Rbd2?! { [%eval -5.2] } { Inaccuracy. Rf3 was best. } { [%clk 0:01:24] } 42... Rf8 { [%eval -4.4] [%clk 0:04:57] } 43. f5?! { [%eval -5.91] } { Inaccuracy. Rf1 was best. } { [%clk 0:01:45] } 43... Ne5 { [%eval -5.85] [%clk 0:04:38] } 44. Rf4 { [%eval -7.08] [%clk 0:00:47] } 44... Rxd3 { [%eval -6.47] [%clk 0:04:48] } 45. Rc2 { [%eval -6.01] [%clk 0:01:14] } 45... Nc4 { [%eval -6.36] [%clk 0:04:19] } 46. f6 { [%eval -6.77] [%clk 0:01:30] } 46... Re3 { [%eval -6.64] [%clk 0:04:32] } 47. Ng5 { [%eval -7.37] [%clk 0:01:51] } 47... d3 { [%eval -7.31] [%clk 0:04:45] } 48. Rf5+ { [%eval -7.32] [%clk 0:00:57] } 48... Kd6 { [%eval -7.41] [%clk 0:03:46] } 49. Rc1 { [%eval -7.29] [%clk 0:01:20] } 49... d2 { [%eval -7.37] [%clk 0:04:07] } 50. Rd1 { [%eval -7.48] [%clk 0:01:48] } 50... Re1+ { [%eval -7.54] [%clk 0:03:49] } 51. Rf1 { [%eval -8.0] [%clk 0:02:15] } 51... Rxf1+ { [%eval -7.61] [%clk 0:04:14] } 52. Rxf1 { [%eval -8.76] [%clk 0:02:36] } 52... Ne3 { [%eval -9.0] [%clk 0:04:37] } 0-1