Event: Round 6: Chatterjee Koustav - Michal Krasenkow
Date: 2021-10-24
White: Chatterjee Koustav
Black: Michal Krasenkow
Result: 1/2-1/2
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit
Variant: Standard

1. e4 { [%eval 0.28] [%clk 1:30:20] } 1... c5 { [%eval 0.32] [%clk 1:30:21] } 2. Nf3 { [%eval 0.0] [%clk 1:30:43] } 2... Nc6?! { [%eval 0.58] } { Inaccuracy. d6 was best. } { [%clk 1:30:46] } 3. Bb5 { [%eval 0.0] [%clk 1:31:03] } 3... g6 { [%eval 0.13] [%clk 1:30:51] } 4. O-O { [%eval 0.2] [%clk 1:29:04] } 4... Bg7 { [%eval 0.43] [%clk 1:31:03] } 5. c3 { [%eval 0.35] [%clk 1:28:04] } 5... e5 { [%eval 0.33] [%clk 1:31:19] } 6. d4 { [%eval 0.28] [%clk 1:26:00] } 6... cxd4 { [%eval 0.0] [%clk 1:31:41] } 7. cxd4 { [%eval 0.02] [%clk 1:26:21] } 7... exd4 { [%eval 0.37] [%clk 1:32:06] } 8. Bf4 { [%eval 0.52] [%clk 1:25:44] } 8... Nge7 { [%eval 0.51] [%clk 1:32:31] } 9. Bd6 { [%eval 0.62] [%clk 1:22:50] } 9... O-O { [%eval 0.9] [%clk 1:32:52] } 10. Nbd2 { [%eval 0.91] [%clk 1:15:46] } 10... b6 { [%eval 1.1] [%clk 1:30:13] } 11. Nb3 { [%eval 0.59] [%clk 1:04:22] } 11... Bb7 { [%eval 0.99] [%clk 1:29:32] } 12. Re1 { [%eval 0.65] [%clk 0:58:49] } 12... Re8 { [%eval 0.57] [%clk 1:29:16] } 13. Qd2 { [%eval 0.61] [%clk 0:55:12] } 13... Nc8 { [%eval 0.76] [%clk 1:25:05] } 14. Bf4 { [%eval 0.43] [%clk 0:46:27] } 14... Ne5?! { [%eval 1.01] } { Inaccuracy. a6 was best. } { [%clk 1:20:15] } 15. Nxe5 { [%eval 0.99] [%clk 0:36:28] } 15... Bxe5 { [%eval 1.01] [%clk 1:20:19] } 16. Bxe5 { [%eval 1.12] [%clk 0:31:35] } 16... Rxe5 { [%eval 1.12] [%clk 1:20:41] } 17. Bd3 { [%eval 0.88] [%clk 0:32:02] } 17... Nd6 { [%eval 0.99] [%clk 1:07:11] } 18. f3 { [%eval 0.94] [%clk 0:31:20] } 18... Rc8 { [%eval 1.37] [%clk 1:05:33] } 19. Qb4?! { [%eval 0.51] } { Inaccuracy. Nxd4 was best. } { [%clk 0:25:44] } 19... Qe7 { [%eval 0.81] [%clk 0:54:48] } 20. Rac1?! { [%eval 0.0] } { Inaccuracy. Qxd4 was best. } { [%clk 0:22:03] } 20... Rxc1 { [%eval 0.0] [%clk 0:51:00] } 21. Rxc1 { [%eval 0.32] [%clk 0:22:09] } 21... f5 { [%eval 0.0] [%clk 0:50:54] } 22. exf5 { [%eval 0.0] [%clk 0:16:25] } 22... gxf5 { [%eval 0.34] [%clk 0:50:25] } 23. Qxd4 { [%eval 0.0] [%clk 0:12:30] } 23... Rd5 { [%eval 0.0] [%clk 0:44:15] } 24. Bc4 { [%eval -0.06] [%clk 0:12:40] } 24... Nxc4 { [%eval -0.07] [%clk 0:44:35] } 25. Qxc4 { [%eval -0.03] [%clk 0:13:05] } 25... Qe3+ { [%eval 0.0] [%clk 0:36:27] } 26. Kf1 { [%eval 0.0] [%clk 0:06:23] } 26... Bc6 { [%eval 0.0] [%clk 0:34:23] } 27. Re1 { [%eval 0.0] [%clk 0:06:39] } 27... Bb5 { [%eval 0.0] [%clk 0:34:25] } 28. Rxe3 { [%eval 0.0] [%clk 0:06:42] } 28... Bxc4+ { [%eval 0.0] [%clk 0:34:54] } 29. Ke1 { [%eval 0.0] [%clk 0:06:27] } 29... a5 { [%eval 0.23] [%clk 0:34:14] } 30. f4 { [%eval -0.11] [%clk 0:04:16] } 30... Rb5 { [%eval -0.16] [%clk 0:31:06] } 31. Kd2 { [%eval -0.02] [%clk 0:04:03] } 31... Rb4 { [%eval 0.0] [%clk 0:28:09] } 32. g3 { [%eval 0.0] [%clk 0:03:04] } 32... d5 { [%eval 0.0] [%clk 0:22:28] } 33. Kc2 { [%eval 0.0] [%clk 0:02:25] } 33... Bxb3+ { [%eval 0.0] [%clk 0:21:42] } 34. axb3 { [%eval -0.04] [%clk 0:02:05] } 34... Re4 { [%eval 0.0] [%clk 0:21:58] } 35. Rc3 { [%eval 0.0] [%clk 0:01:58] } 35... Re2+ { [%eval 0.0] [%clk 0:21:48] } 36. Kd3 { [%eval -0.06] [%clk 0:02:26] } 36... Rxh2 { [%eval -0.03] [%clk 0:19:58] } 37. Kd4 { [%eval -0.02] [%clk 0:02:52] } 37... Rxb2 { [%eval 0.0] [%clk 0:16:56] } 38. Kxd5 { [%eval 0.0] [%clk 0:02:50] } 38... Re2 { [%eval 0.0] [%clk 0:12:41] } 39. Rc8+ { [%eval 0.0] [%clk 0:02:26] } 39... Kf7 { [%eval 0.0] [%clk 0:11:18] } 40. Rb8 { [%eval 0.0] [%clk 0:32:49] } 40... Kg6 { [%eval 0.0] [%clk 0:39:45] } 41. Rg8+ { [%eval 0.0] [%clk 0:23:55] } 41... Kh6 { [%eval 0.0] [%clk 0:39:47] } 42. Rg5 { [%eval -0.17] [%clk 0:19:39] } 42... Re4 { [%eval 0.0] [%clk 0:36:00] } 43. Rxf5 { [%eval 0.0] [%clk 0:18:38] } 43... Rb4 { [%eval 0.0] [%clk 0:36:24] } 44. Ke6 { [%eval 0.0] [%clk 0:17:58] } 44... Rxb3 { [%eval 0.0] [%clk 0:35:37] } 45. g4 { [%eval 0.0] [%clk 0:16:20] } 45... Kg7?! { [%eval 0.75] } { Inaccuracy. Rc3 was best. } { [%clk 0:31:50] } 46. Rf7+ { [%eval 0.38] [%clk 0:16:34] } 46... Kg8 { [%eval 0.39] [%clk 0:32:19] } 47. Ra7 { [%eval 0.0] [%clk 0:12:53] } 47... Re3+ { [%eval 0.0] [%clk 0:31:59] } 48. Kf6 { [%eval 0.0] [%clk 0:13:06] } 48... Re8 { [%eval 0.0] [%clk 0:32:21] } 49. f5 { [%eval 0.0] [%clk 0:12:38] } 49... Rf8+ { [%eval 0.0] [%clk 0:25:30] } 50. Ke6 { [%eval 0.0] [%clk 0:10:03] } 50... Re8+ { [%eval 0.0] [%clk 0:21:10] } 51. Kf6 { [%eval 0.0] } 51... Rb8 { [%eval 0.49] } 52. g5 { [%eval 0.09] } 52... b5?? { [%eval 6.04] } { Blunder. Rf8+ was best. } 53. g6 { [%eval 6.7] } 53... Rb6+ { [%eval 54.32] } 54. Kg5 { [%eval 6.76] } 54... hxg6 { [%eval 55.12] } 55. f6 { [%eval 11.77] } 1/2-1/2