Event: Round 4: Subhayan Kundu - Balanandan Ayyappan
Date: 2025-01-25
White: Subhayan Kundu
WhiteTitle: IM
WhiteElo: 2366
Black: Balanandan Ayyappan
BlackElo: 1884
Result: 1-0
ECO: B41
Opening: Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:37] } 1... c5 { [%eval 0.25] [%clk 1:30:36] } 2. Nf3 { [%eval 0.2] [%clk 1:30:44] } 2... e6 { [%eval 0.28] [%clk 1:30:56] } 3. d4 { [%eval 0.4] [%clk 1:30:58] } 3... cxd4 { [%eval 0.29] [%clk 1:31:18] } 4. Nxd4 { [%eval 0.23] [%clk 1:31:17] } 4... a6 { [%eval 0.42] [%clk 1:31:41] } 5. c4 { [%eval 0.21] [%clk 1:31:17] } 5... Nf6 { [%eval 0.23] [%clk 1:32:07] } 6. Nc3 { [%eval 0.34] [%clk 1:31:34] } 6... Bb4 { [%eval 0.28] [%clk 1:32:32] } 7. Qd3 { [%eval 0.18] [%clk 1:31:46] } 7... d6 { [%eval 0.4] [%clk 1:32:40] } 8. Nc2 { [%eval 0.55] [%clk 1:30:41] } 8... Ba5 { [%eval 0.82] [%clk 1:32:57] } 9. b4 { [%eval 0.82] [%clk 1:16:57] } 9... Bc7 { [%eval 0.87] [%clk 1:33:02] } 10. Be2 { [%eval 0.89] [%clk 1:13:10] } 10... Nc6 { [%eval 0.89] [%clk 1:31:50] } 11. O-O { [%eval 0.84] [%clk 1:13:01] } 11... O-O { [%eval 0.82] [%clk 1:31:31] } 12. Be3 { [%eval 0.82] [%clk 1:10:59] } 12... Ne5 { [%eval 0.67] [%clk 1:25:02] } 13. Qd2 { [%eval 0.76] [%clk 1:09:35] } 13... b6 { [%eval 0.6] [%clk 1:24:22] } 14. f3 { [%eval 0.45] [%clk 1:05:04] } 14... Bb7 { [%eval 0.45] [%clk 1:23:05] } 15. Rfd1 { [%eval 0.36] [%clk 1:04:16] } 15... Rc8 { [%eval 0.35] [%clk 1:21:20] } 16. Rac1 { [%eval 0.46] [%clk 1:03:47] } 16... Qe7 { [%eval 0.96] [%clk 1:19:57] } 17. Qe1? { [%eval -0.15] } { Mistake. b5 was best. } { [%clk 0:57:34] } 17... d5 { [%eval 0.1] [%clk 1:00:41] } 18. exd5 { [%eval 0.11] [%clk 0:56:02] } 18... exd5 { [%eval 0.2] [%clk 1:00:49] } 19. c5 { [%eval 0.09] [%clk 0:54:24] } 19... bxc5 { [%eval 0.17] [%clk 0:57:41] } 20. Bxc5 { [%eval 0.13] [%clk 0:53:46] } 20... Bd6 { [%eval 0.18] [%clk 0:53:23] } 21. Na4 { [%eval 0.16] [%clk 0:51:04] } 21... Ned7 { [%eval 0.64] [%clk 0:49:11] } 22. Bxd6 { [%eval 0.66] [%clk 0:40:45] } 22... Qxd6 { [%eval 0.69] [%clk 0:48:59] } 23. Nd4 { [%eval 0.68] [%clk 0:37:42] } 23... Rfe8 { [%eval 0.94] [%clk 0:44:50] } 24. Qd2 { [%eval 0.65] [%clk 0:34:15] } 24... g6 { [%eval 0.86] [%clk 0:34:30] } 25. Bf1 { [%eval 0.5] [%clk 0:27:50] } 25... Nh5 { [%eval 0.45] [%clk 0:22:58] } 26. Nb3 { [%eval 0.58] [%clk 0:32:27] } 26... Ng7 { [%eval 0.78] [%clk 0:18:07] } 27. Nac5 { [%eval 0.78] [%clk 0:29:15] } 27... Nxc5 { [%eval 0.83] [%clk 0:16:59] } 28. bxc5 { [%eval 0.38] [%clk 0:24:27] } 28... Qd7 { [%eval 0.44] [%clk 0:15:17] } 29. Na5 { [%eval 0.18] [%clk 0:22:46] } 29... Ne6 { [%eval 0.17] [%clk 0:15:13] } 30. Qb4 { [%eval 0.0] [%clk 0:22:21] } 30... Bc6 { [%eval 0.02] [%clk 0:05:57] } 31. Qb6 { [%eval -0.03] [%clk 0:14:48] } 31... Bb5 { [%eval 0.0] [%clk 0:04:47] } 32. c6 { [%eval -0.37] [%clk 0:13:41] } 32... Qd6 { [%eval -0.02] [%clk 0:02:22] } 33. Bxb5 { [%eval -0.07] [%clk 0:12:17] } 33... axb5 { [%eval -0.09] [%clk 0:12:14] } 34. Qxb5? { [%eval -1.33] } { Mistake. Nb3 was best. } { [%clk 0:12:15] } 34... d4? { [%eval 0.18] } { Mistake. Nf4 was best. } { [%clk 0:12:14] } 35. Nb7 { [%eval 0.09] [%clk 0:10:22] } 35... Qc7 { [%eval 0.23] [%clk 0:10:35] } 36. g3 { [%eval 0.17] [%clk 0:08:10] } 36... Nd8 { [%eval 0.18] [%clk 0:08:16] } 37. Nxd8 { [%eval 0.21] [%clk 0:08:17] } 37... Rexd8 { [%eval 0.17] [%clk 0:06:17] } 38. a4 { [%eval 0.21] [%clk 0:06:37] } 38... Rd6 { [%eval 0.36] [%clk 0:06:10] } 39. a5 { [%eval 0.34] [%clk 0:06:30] } 39... Rxc6?? { [%eval 2.64] } { Blunder. Qe7 was best. } { [%clk 0:05:26] } 40. Rxc6 { [%eval 2.58] [%clk 0:06:35] } 40... Qxc6 { [%eval 2.69] [%clk 0:05:55] } 41. Qxc6 { [%eval 2.64] [%clk 0:06:53] } 41... Rxc6 { [%eval 2.45] [%clk 0:06:23] } 42. Kf1 { [%eval 2.33] [%clk 0:05:19] } 42... Rc2?! { [%eval 3.53] } { Inaccuracy. Ra6 was best. } { [%clk 0:05:41] } 43. Ra1 { [%eval 4.19] [%clk 0:03:13] } 43... d3 { [%eval 4.24] [%clk 0:03:20] } 44. Ke1 { [%eval 4.24] [%clk 0:05:58] } 44... Rxh2 { [%eval 4.02] [%clk 0:03:41] } 45. Ra4 { [%eval 3.93] [%clk 0:06:16] } 45... Re2+ { [%eval 4.11] [%clk 0:04:06] } 46. Kd1 { [%eval 3.86] [%clk 0:06:32] } 46... Re7 { [%eval 4.52] [%clk 0:04:28] } 47. a6 { [%eval 4.29] [%clk 0:06:56] } 47... Ra7 { [%eval 4.26] [%clk 0:04:53] } 48. Kd2 { [%eval 4.68] [%clk 0:07:24] } 48... h5 { [%eval 5.09] [%clk 0:05:17] } 49. Kxd3 { [%eval 4.91] [%clk 0:07:45] } 49... g5 { [%eval 5.13] [%clk 0:04:28] } 50. Kc4 { [%eval 4.73] [%clk 0:08:04] } 50... f5 { [%eval 5.86] [%clk 0:00:57] } 51. Kb5 { [%eval 5.32] [%clk 0:08:23] } 51... g4 { [%eval 5.9] [%clk 0:00:33] } 52. fxg4 { [%eval 5.36] [%clk 0:08:38] } 52... fxg4?! { [%eval 9.8] } { Inaccuracy. f4 was best. } { [%clk 0:00:50] } 53. Kb6 { [%eval #27] [%clk 0:08:59] } 53... Ra8 { [%eval #29] [%clk 0:00:44] } 54. a7 { [%eval 41.93] [%clk 0:09:14] } 54... Kg7 { [%eval 80.53] [%clk 0:00:53] } 55. Kb7 { [%eval 10.35] [%clk 0:09:39] } 1-0