Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-15
White: Sushanth Kamabathula
WhiteElo: 2188
Black: Arfan, Aditya Bagus
BlackTitle: IM
BlackElo: 2385
Result: 0-1
ECO: A28
Opening: English Opening: Four Knights System, Nimzowitsch Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. c4 { [%eval 0.12] [%clk 1:40:52] } 1... e5 { [%eval 0.1] [%clk 1:34:49] } 2. Nc3 { [%eval 0.04] [%clk 1:41:12] } 2... Nf6 { [%eval 0.18] [%clk 1:35:03] } 3. Nf3 { [%eval 0.15] [%clk 1:41:36] } 3... Nc6 { [%eval 0.14] [%clk 1:34:25] } 4. e4 { [%eval 0.1] [%clk 1:41:34] } 4... d6 { [%eval 0.43] [%clk 1:32:26] } 5. d4 { [%eval 0.25] [%clk 1:41:54] } 5... Bg4 { [%eval 0.37] [%clk 1:30:25] } 6. d5 { [%eval 0.33] [%clk 1:42:15] } 6... Nd4 { [%eval 0.38] [%clk 1:29:37] } 7. Be2 { [%eval 0.31] [%clk 1:42:41] } 7... Bxf3 { [%eval 0.49] [%clk 1:23:32] } 8. Bxf3 { [%eval 0.58] [%clk 1:42:59] } 8... c5 { [%eval 0.51] [%clk 1:23:50] } 9. Be3 { [%eval 0.16] [%clk 1:34:23] } 9... Be7 { [%eval 0.25] [%clk 1:20:34] } 10. a3 { [%eval 0.2] [%clk 1:30:43] } 10... O-O { [%eval 0.21] [%clk 1:20:18] } 11. O-O { [%eval 0.22] [%clk 1:29:08] } 11... a6 { [%eval 0.24] [%clk 1:11:01] } 12. Bxd4? { [%eval -0.86] } { Mistake. Be2 was best. } { [%clk 1:26:55] } 12... cxd4 { [%eval -0.89] [%clk 1:11:25] } 13. Na2 { [%eval -1.01] [%clk 1:25:43] } 13... a5 { [%eval -1.11] [%clk 0:58:46] } 14. a4 { [%eval -1.03] [%clk 1:19:21] } 14... Qb6 { [%eval -0.8] [%clk 1:07:15] } 15. b3 { [%eval -0.73] [%clk 1:18:17] } 15... Nd7 { [%eval -0.76] [%clk 1:07:01] } 16. Nc1 { [%eval -0.77] [%clk 1:14:34] } 16... g6 { [%eval -0.78] [%clk 1:04:04] } 17. Nd3 { [%eval -0.81] [%clk 1:02:57] } 17... f5 { [%eval -0.73] [%clk 1:00:01] } 18. Ra2 { [%eval -0.89] [%clk 1:00:20] } 18... Rf7 { [%eval -0.71] [%clk 0:54:21] } 19. Re2 { [%eval -0.84] [%clk 0:56:24] } 19... Raf8 { [%eval -0.77] [%clk 0:51:26] } 20. g3 { [%eval -0.83] [%clk 0:41:59] } 20... Nc5 { [%eval -0.73] [%clk 0:44:37] } 21. Bg2 { [%eval -1.11] [%clk 0:43:29] } 21... f4 { [%eval -1.31] [%clk 0:26:43] } 22. Bh3?! { [%eval -2.1] } { Inaccuracy. Nxc5 was best. } { [%clk 0:29:31] } 22... fxg3 { [%eval -1.96] [%clk 0:32:46] } 23. fxg3 { [%eval -2.06] [%clk 0:26:27] } 23... Rxf1+ { [%eval -2.29] [%clk 0:31:32] } 24. Bxf1 { [%eval -2.19] [%clk 0:26:46] } 24... Bg5 { [%eval -2.49] [%clk 0:29:25] } 25. Nxc5 { [%eval -2.09] [%clk 0:26:16] } 25... Qxc5 { [%eval -1.93] [%clk 0:31:36] } 26. Qd3?! { [%eval -2.94] } { Inaccuracy. Kg2 was best. } { [%clk 0:22:51] } 26... Be3+ { [%eval -2.68] [%clk 0:28:54] } 27. Kg2 { [%eval -2.66] [%clk 0:25:09] } 27... Qa3?! { [%eval -1.97] } { Inaccuracy. h5 was best. } { [%clk 0:26:28] } 28. Qb1 { [%eval -2.24] [%clk 0:16:15] } 28... Qb4 { [%eval -2.13] [%clk 0:25:24] } 29. Ra2 { [%eval -2.18] [%clk 0:10:33] } 29... Kf7 { [%eval -1.67] [%clk 0:24:29] } 30. Bd3 { [%eval -1.66] [%clk 0:08:08] } 30... Ke7 { [%eval -1.64] [%clk 0:19:12] } 31. Qd1 { [%eval -1.67] [%clk 0:16:59] } 31... h5 { [%eval -1.88] [%clk 0:15:30] } 32. Re2 { [%eval -2.05] [%clk 0:12:29] } 32... g5 { [%eval -1.84] [%clk 0:12:48] } 33. h3 { [%eval -2.44] [%clk 0:05:56] } 33... Kd8 { [%eval -2.33] [%clk 0:08:45] } 34. Ra2 { [%eval -2.36] [%clk 0:04:54] } 34... g4?! { [%eval -1.33] } { Inaccuracy. h4 was best. } { [%clk 0:03:50] } 35. hxg4 { [%eval -1.1] [%clk 0:04:48] } 35... hxg4 { [%eval -1.19] [%clk 0:07:21] } 36. c5 { [%eval -0.51] [%clk 0:02:40] } 36... dxc5 { [%eval -0.58] [%clk 0:05:08] } 37. Bc4? { [%eval -1.78] } { Mistake. Bb5 was best. } { [%clk 0:00:14] } 37... Rh8?? { [%eval 0.0] } { Blunder. d3 was best. } { [%clk 0:03:59] } 38. d6 { [%eval 0.0] [%clk 0:04:04] } 38... Qb6 { [%eval 0.0] [%clk 0:02:53] } 39. Qxg4 { [%eval 0.0] [%clk 0:02:41] } 39... Qxd6 { [%eval 0.0] [%clk 0:00:37] } 40. Qg7 { [%eval 0.0] [%clk 0:00:36] } 40... Qh6 { [%eval 0.0] [%clk 0:00:08] } 41. Qxh6 { [%eval 0.0] [%clk 0:30:00] } 41... Rxh6 { [%eval 0.0] [%clk 0:34:01] } 42. Ra1 { [%eval 0.0] [%clk 0:22:29] } 42... Rb6 { [%eval 0.0] [%clk 0:28:58] } 43. Rd1 { [%eval 0.0] [%clk 0:15:27] } 43... Rb4 { [%eval 0.0] [%clk 0:21:58] } 44. Bd5?? { [%eval -1.74] } { Blunder. Rb1 was best. } { [%clk 0:20:35] } 44... b5 { [%eval -1.2] [%clk 0:20:15] } 45. axb5 { [%eval -0.82] [%clk 0:11:32] } 45... a4 { [%eval -1.25] [%clk 0:12:37] } 46. bxa4?? { [%eval -4.16] } { Blunder. Ra1 was best. } { [%clk 0:19:04] } 46... c4 { [%eval -4.13] [%clk 0:12:17] } 47. Ra1?! { [%eval -5.47] } { Inaccuracy. Bxc4 was best. } { [%clk 0:18:29] } 47... c3 { [%eval -5.38] [%clk 0:12:05] } 48. a5 { [%eval -6.21] [%clk 0:19:15] } 48... c2 { [%eval -6.18] [%clk 0:10:33] } 49. a6 { [%eval -6.67] [%clk 0:18:57] } 49... d3 { [%eval -5.95] [%clk 0:11:22] } 50. Kf3?? { [%eval #-11] } { Checkmate is now unavoidable. Rf1 was best. } { [%clk 0:17:41] } 50... d2 { [%eval -25.3] [%clk 0:10:14] } 51. Kxe3 { [%clk 0:17:51] } 51... c1=Q { [%clk 0:11:36] } 0-1