Event: Round 4: Soumma Chakraborty - Kaustuv, Kundu
Date: 2025-03-28
White: Soumma Chakraborty
WhiteElo: 1928
Black: Kaustuv, Kundu
BlackTitle: IM
BlackElo: 2407
Result: 1/2-1/2
ECO: B89
Opening: Sicilian Defense: Sozin Attack, Main Line
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:27:37] } 2. Nf3 { [%eval 0.2] [%clk 1:31:23] } 2... Nc6 { [%eval 0.25] [%clk 1:28:01] } 3. d4 { [%eval 0.27] [%clk 1:31:50] } 3... cxd4 { [%eval 0.35] [%clk 1:28:24] } 4. Nxd4 { [%eval 0.21] [%clk 1:32:19] } 4... Nf6 { [%eval 0.19] [%clk 1:28:44] } 5. Nc3 { [%eval 0.26] [%clk 1:32:45] } 5... d6 { [%eval 0.3] [%clk 1:29:09] } 6. Bc4 { [%eval 0.26] [%clk 1:33:11] } 6... e6 { [%eval 0.25] [%clk 1:28:29] } 7. Be3 { [%eval 0.27] [%clk 1:33:36] } 7... Bd7 { [%eval 0.28] [%clk 1:28:26] } 8. Qe2 { [%eval 0.36] [%clk 1:33:45] } 8... a6 { [%eval 0.32] [%clk 1:28:41] } 9. Bb3 { [%eval 0.31] [%clk 1:33:09] } 9... b5 { [%eval 0.32] [%clk 1:28:49] } 10. O-O-O { [%eval 0.37] [%clk 1:32:58] } 10... Na5 { [%eval 0.27] [%clk 1:25:10] } 11. a3 { [%eval 0.02] [%clk 1:24:55] } 11... Rc8 { [%eval 0.01] [%clk 1:18:23] } 12. Bg5 { [%eval 0.07] [%clk 1:23:41] } 12... Be7 { [%eval -0.06] [%clk 1:17:08] } 13. f4 { [%eval -0.31] [%clk 1:21:30] } 13... O-O?! { [%eval 0.46] } { Inaccuracy. h6 was best. } { [%clk 1:14:29] } 14. Kb1 { [%eval 0.43] [%clk 1:14:10] } 14... Nc4 { [%eval 0.49] [%clk 1:06:10] } 15. Rd3 { [%eval 0.6] [%clk 1:14:23] } 15... h6 { [%eval 1.11] [%clk 0:55:27] } 16. h4 { [%eval 1.01] [%clk 1:14:22] } 16... Rc5 { [%eval 1.37] [%clk 0:53:14] } 17. g4 { [%eval 1.35] [%clk 1:13:54] } 17... Qc7 { [%eval 1.28] [%clk 0:49:40] } 18. Nd1?! { [%eval 0.67] } { Inaccuracy. f5 was best. } { [%clk 0:56:11] } 18... Rc8 { [%eval 0.6] [%clk 0:36:55] } 19. Bxf6 { [%eval 0.65] [%clk 0:56:10] } 19... Bxf6 { [%eval 0.76] [%clk 0:36:58] } 20. g5 { [%eval 0.8] [%clk 0:56:38] } 20... Bxd4 { [%eval 0.85] [%clk 0:35:06] } 21. Rxd4 { [%eval 0.78] [%clk 0:57:07] } 21... Na5 { [%eval 0.79] [%clk 0:34:20] } 22. gxh6 { [%eval 0.58] [%clk 0:52:41] } 22... Nxb3 { [%eval 0.57] [%clk 0:34:22] } 23. cxb3 { [%eval 0.47] [%clk 0:53:10] } 23... Rc1+?! { [%eval 1.36] } { Inaccuracy. e5 was best. } { [%clk 0:34:30] } 24. Ka2 { [%eval 1.11] [%clk 0:53:39] } 24... gxh6 { [%eval 1.52] [%clk 0:31:10] } 25. Rg1+ { [%eval 1.4] [%clk 0:48:09] } 25... Kf8 { [%eval 1.29] [%clk 0:27:45] } 26. Rg3? { [%eval 0.08] } { Mistake. f5 was best. } { [%clk 0:42:38] } 26... e5?? { [%eval 2.59] } { Blunder. d5 was best. } { [%clk 0:21:03] } 27. fxe5 { [%eval 2.7] [%clk 0:42:02] } 27... dxe5 { [%eval 2.55] [%clk 0:21:27] } 28. Rd2 { [%eval 2.58] [%clk 0:42:03] } 28... a5 { [%eval 2.57] [%clk 0:20:33] } 29. Rc3? { [%eval 1.16] } { Mistake. Nc3 was best. } { [%clk 0:32:55] } 29... Rxc3 { [%eval 1.01] [%clk 0:20:40] } 30. Nxc3 { [%eval 0.85] [%clk 0:33:24] } 30... a4 { [%eval 1.19] [%clk 0:20:46] } 31. Qh5?! { [%eval 0.14] } { Inaccuracy. bxa4 was best. } { [%clk 0:33:18] } 31... axb3+ { [%eval 0.15] [%clk 0:19:01] } 32. Kb1 { [%eval 0.26] [%clk 0:33:42] } 32... Be6 { [%eval 0.25] [%clk 0:13:20] } 33. Qxh6+ { [%eval 0.21] [%clk 0:34:11] } 33... Ke8 { [%eval 0.17] [%clk 0:13:36] } 34. Qg7 { [%eval 0.0] [%clk 0:33:41] } 34... Qc5 { [%eval 0.0] [%clk 0:11:29] } 35. Qg8+ { [%eval 0.0] [%clk 0:32:34] } 35... Qf8 { [%eval 0.11] [%clk 0:10:35] } 36. Qg5 { [%eval 0.0] [%clk 0:29:49] } 36... f6?! { [%eval 0.73] } { Inaccuracy. Qc5 was best. } { [%clk 0:09:15] } 37. Qg1 { [%eval 0.57] [%clk 0:28:20] } 37... Bc4? { [%eval 1.96] } { Mistake. Kf7 was best. } { [%clk 0:04:21] } 38. h5?? { [%eval 0.0] } { Blunder. Qb6 was best. } { [%clk 0:26:04] } 38... Qh6 { [%eval 0.09] [%clk 0:03:49] } 39. Qd1 { [%eval -0.03] [%clk 0:24:33] } 39... Qf4 { [%eval 0.02] [%clk 0:02:56] } 40. Rd7 { [%eval 0.05] [%clk 0:24:29] } 40... Qf1 { [%eval 0.13] [%clk 0:02:30] } 41. Qxf1 { [%eval 0.04] [%clk 0:23:06] } 41... Bxf1 { [%eval 0.15] [%clk 0:02:58] } 42. Rg7 { [%eval 0.0] [%clk 0:20:18] } 42... Kf8 { [%eval 0.11] [%clk 0:02:41] } 43. Rg3 { [%eval 0.0] [%clk 0:20:17] } 43... Bc4 { [%eval 0.0] [%clk 0:02:04] } 44. h6 { [%eval 0.0] [%clk 0:19:23] } 44... Kf7 { [%eval 0.34] [%clk 0:00:57] } 45. Rg7+ { [%eval 0.21] [%clk 0:19:33] } 45... Ke6 { [%eval 0.55] [%clk 0:01:07] } 46. Kc1 { [%eval 0.26] [%clk 0:19:12] } 46... Rh8 { [%eval 0.16] [%clk 0:00:50] } 47. h7 { [%eval 0.16] [%clk 0:18:42] } 47... f5 { [%eval 0.3] [%clk 0:01:07] } 48. exf5+ { [%eval 0.32] [%clk 0:19:02] } 48... Kxf5 { [%eval 0.29] [%clk 0:01:35] } 49. Kd2 { [%eval 0.21] [%clk 0:19:00] } 49... Rd8+ { [%eval 0.2] [%clk 0:01:34] } 50. Ke1 { [%eval 0.31] [%clk 0:19:07] } 50... Kf6?? { [%eval 2.39] } { Blunder. Rh8 was best. } { [%clk 0:00:52] } 51. Rg8?? { [%eval 0.0] } { Blunder. Rc7 was best. } { [%clk 0:18:00] } 51... Rxg8 { [%eval 0.01] [%clk 0:01:16] } 52. hxg8=Q { [%eval 0.03] [%clk 0:18:27] } 52... Bxg8 { [%eval 0.05] [%clk 0:01:40] } 53. Nxb5 { [%eval 0.08] [%clk 0:18:54] } 53... Kf5 { [%eval 0.01] [%clk 0:01:57] } 54. Kd2 { [%eval 0.02] [%clk 0:18:52] } 54... Ke4 { [%eval 0.05] [%clk 0:02:13] } 55. Nc3+ { [%eval 0.0] [%clk 0:15:40] } 55... Kf3 { [%eval 0.0] [%clk 0:02:36] } 56. Nd1 { [%eval 0.0] [%clk 0:16:00] } 56... e4 { [%eval 0.0] [%clk 0:02:50] } 57. Ne3 { [%eval 0.0] [%clk 0:16:25] } 57... Be6 { [%eval 0.0] [%clk 0:03:12] } 58. a4 { [%eval 0.0] [%clk 0:16:39] } 58... Bd7 { [%eval 0.0] [%clk 0:03:17] } 59. a5 { [%eval 0.0] [%clk 0:17:08] } 59... Bb5 { [%eval 0.0] [%clk 0:03:41] } 60. Nd5 { [%eval 0.0] [%clk 0:17:32] } 60... Kf2 { [%eval 0.0] [%clk 0:03:51] } 1/2-1/2