Event: Round 8: Subrota, Biswas - Subhayan Kundu
Date: 2025-07-05
White: Subrota, Biswas
WhiteTitle: FM
WhiteElo: 2304
Black: Subhayan Kundu
BlackTitle: IM
BlackElo: 2334
Result: 1-0
ECO: E92
Opening: King's Indian Defense: Petrosian Variation, Stein Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:27] } 1... Nf6 { [%eval 0.19] [%clk 1:29:44] } 2. c4 { [%eval 0.18] [%clk 1:30:53] } 2... g6 { [%eval 0.28] [%clk 1:29:46] } 3. Nc3 { [%eval 0.18] [%clk 1:31:21] } 3... Bg7 { [%eval 0.51] [%clk 1:29:34] } 4. e4 { [%eval 0.4] [%clk 1:31:49] } 4... d6 { [%eval 0.55] [%clk 1:29:47] } 5. Nf3 { [%eval 0.36] [%clk 1:32:11] } 5... O-O { [%eval 0.44] [%clk 1:30:00] } 6. Be2 { [%eval 0.45] [%clk 1:32:38] } 6... e5 { [%eval 0.4] [%clk 1:30:12] } 7. d5 { [%eval 0.31] [%clk 1:33:06] } 7... a5 { [%eval 0.35] [%clk 1:29:48] } 8. Bg5 { [%eval 0.44] [%clk 1:33:32] } 8... h6 { [%eval 0.5] [%clk 1:27:21] } 9. Bh4 { [%eval 0.49] [%clk 1:32:48] } 9... Na6 { [%eval 0.51] [%clk 1:26:18] } 10. Nd2 { [%eval 0.46] [%clk 1:33:11] } 10... g5 { [%eval 0.7] [%clk 1:21:17] } 11. Bg3 { [%eval 0.82] [%clk 1:33:31] } 11... c6 { [%eval 0.95] [%clk 1:15:48] } 12. O-O { [%eval 0.92] [%clk 1:29:35] } 12... Bd7 { [%eval 0.84] [%clk 1:10:06] } 13. a3 { [%eval 0.72] [%clk 1:17:59] } 13... Kh7 { [%eval 0.99] [%clk 1:02:34] } 14. Rb1 { [%eval 0.89] [%clk 1:15:18] } 14... c5 { [%eval 1.37] [%clk 1:02:36] } 15. Re1 { [%eval 1.43] [%clk 1:12:00] } 15... Rh8 { [%eval 1.56] [%clk 0:50:36] } 16. Nf1 { [%eval 1.46] [%clk 1:11:29] } 16... Kg8 { [%eval 1.46] [%clk 0:50:28] } 17. Ne3 { [%eval 1.41] [%clk 1:00:49] } 17... h5 { [%eval 1.56] [%clk 0:50:21] } 18. h3 { [%eval 1.34] [%clk 0:47:19] } 18... b6 { [%eval 1.47] [%clk 0:41:34] } 19. Bf3 { [%eval 1.16] [%clk 0:41:50] } 19... Nc7 { [%eval 1.36] [%clk 0:38:57] } 20. Nf5 { [%eval 0.85] [%clk 0:37:02] } 20... Bxf5 { [%eval 0.88] [%clk 0:38:23] } 21. exf5 { [%eval 0.81] [%clk 0:37:07] } 21... Qd7 { [%eval 1.25] [%clk 0:38:35] } 22. Ne4? { [%eval 0.1] } { Mistake. Qd3 was best. } { [%clk 0:36:14] } 22... Nxe4 { [%eval 0.07] [%clk 0:37:30] } 23. Bxe4 { [%eval 0.08] [%clk 0:35:48] } 23... b5 { [%eval 0.34] [%clk 0:35:08] } 24. b4 { [%eval 0.37] [%clk 0:35:10] } 24... axb4 { [%eval 0.83] [%clk 0:28:45] } 25. axb4 { [%eval 0.85] [%clk 0:35:26] } 25... Na6 { [%eval 0.82] [%clk 0:28:02] } 26. Ra1 { [%eval 0.59] [%clk 0:23:46] } 26... Ra7?? { [%eval 2.5] } { Blunder. h4 was best. } { [%clk 0:26:54] } 27. cxb5 { [%eval 2.39] [%clk 0:23:24] } 27... Nxb4 { [%eval 2.21] [%clk 0:27:05] } 28. b6 { [%eval 2.13] [%clk 0:08:49] } 28... Ra4?? { [%eval 8.08] } { Blunder. Rxa1 was best. } { [%clk 0:27:13] } 29. Ra3?? { [%eval -3.45] } { Blunder. Qxa4 was best. } 29... Rxa3 { [%eval -3.34] [%clk 0:27:13] } 30. Qb1 { [%eval -4.02] } 30... Ra1?? { [%eval 2.38] } { Blunder. Bf6 was best. } { [%clk 0:27:13] } 31. Qxa1 { [%eval 2.4] [%clk 0:09:18] } 31... Bf6 { [%eval 2.48] [%clk 0:27:22] } 32. Qa7 { [%eval 2.46] [%clk 0:08:27] } 32... Qxa7 { [%eval 2.89] [%clk 0:18:49] } 33. bxa7 { [%eval 2.61] [%clk 0:08:55] } 33... Kg7 { [%eval 3.35] [%clk 0:19:13] } 34. Ra1 { [%eval 3.08] [%clk 0:08:14] } 34... Ra8 { [%eval 2.93] [%clk 0:19:34] } 35. f3 { [%eval 2.8] [%clk 0:08:16] } 35... h4?! { [%eval 3.67] } { Inaccuracy. Bd8 was best. } { [%clk 0:15:27] } 36. Bf2 { [%eval 3.83] [%clk 0:06:59] } 36... Be7 { [%eval 3.79] [%clk 0:14:29] } 37. Bxc5 { [%eval 3.73] [%clk 0:06:16] } 37... dxc5 { [%eval 3.76] [%clk 0:14:56] } 38. d6 { [%eval 3.68] [%clk 0:06:44] } 38... Rxa7 { [%eval 3.96] [%clk 0:15:23] } 39. Rxa7 { [%eval 3.73] [%clk 0:06:51] } 39... Bxd6 { [%eval 3.43] [%clk 0:15:52] } 40. Rd7 { [%eval 3.83] [%clk 0:06:32] } 40... Bf8 { [%eval 3.92] [%clk 0:16:08] } 41. Kf1 { [%eval 4.22] [%clk 0:06:06] } 41... Kf6 { [%eval 4.46] [%clk 0:16:31] } 42. Ke2 { [%eval 4.49] [%clk 0:06:10] } 42... Be7 { [%eval 4.49] [%clk 0:15:40] } 43. Kd2 { [%eval 4.21] [%clk 0:06:21] } 43... Bf8 { [%eval 4.39] [%clk 0:15:51] } 44. Kc3 { [%eval 4.42] [%clk 0:06:08] } 44... Be7 { [%eval 4.42] [%clk 0:16:04] } 45. Kc4 { [%eval 4.45] [%clk 0:06:23] } 45... Na2 { [%eval 4.32] [%clk 0:16:24] } 46. Rb7 { [%eval 4.35] [%clk 0:06:29] } 46... Nb4 { [%eval 4.34] [%clk 0:16:17] } 47. Rb6+ { [%eval 4.34] [%clk 0:06:54] } 47... Kg7 { [%eval 4.26] [%clk 0:16:43] } 48. f6+ { [%eval 4.17] [%clk 0:07:05] } 48... Bxf6 { [%eval 4.47] [%clk 0:17:07] } 49. Kxc5 { [%eval 4.41] [%clk 0:07:32] } 49... Be7+ { [%eval 4.44] [%clk 0:17:19] } 50. Kc4 { [%eval 4.35] [%clk 0:07:56] } 50... Na2 { [%eval 4.34] [%clk 0:17:41] } 51. Rb2 { [%eval 4.32] [%clk 0:07:16] } 51... Nb4? { [%eval 7.34] } { Mistake. Nc1 was best. } { [%clk 0:18:00] } 52. Rxb4 { [%eval 7.12] [%clk 0:06:58] } 52... Bxb4 { [%eval 8.0] [%clk 0:18:27] } 53. Kxb4 { [%eval 7.78] [%clk 0:07:25] } 53... Kf6 { [%eval 8.15] [%clk 0:18:53] } 54. Kc5 { [%eval 8.07] [%clk 0:06:30] } 54... Ke6 { [%eval 7.97] [%clk 0:19:18] } 55. Bd5+ { [%eval 7.7] [%clk 0:06:38] } 55... Ke7 { [%eval 7.52] [%clk 0:19:43] } 56. Bc4 { [%eval 8.16] [%clk 0:06:44] } 56... f5 { [%eval 9.35] [%clk 0:20:09] } 57. Kd5 { [%eval 9.38] [%clk 0:06:19] } 57... Kf6 { [%eval 9.05] [%clk 0:20:33] } 58. Be2 { [%eval 7.76] [%clk 0:06:04] } 1-0