Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-15
White: Saxena, Vihaan
WhiteElo: 2031
Black: Song, Ethan
BlackTitle: FM
BlackElo: 2288
Result: 0-1
ECO: A06
Opening: Zukertort Opening
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. Nf3 { [%eval 0.1] [%clk 1:40:43] } 1... d5 { [%eval 0.18] [%clk 1:35:42] } 2. e3 { [%eval 0.0] [%clk 1:40:54] } 2... Nf6 { [%eval 0.01] [%clk 1:36:01] } 3. c4 { [%eval 0.07] [%clk 1:41:09] } 3... e6 { [%eval 0.04] [%clk 1:36:28] } 4. Nc3 { [%eval 0.0] [%clk 1:41:17] } 4... b6 { [%eval 0.09] [%clk 1:36:54] } 5. cxd5 { [%eval 0.0] [%clk 1:34:06] } 5... exd5 { [%eval 0.13] [%clk 1:37:17] } 6. b3 { [%eval 0.02] [%clk 1:34:30] } 6... Bb7 { [%eval 0.04] [%clk 1:34:03] } 7. Bb2 { [%eval 0.0] [%clk 1:34:47] } 7... a6 { [%eval 0.12] [%clk 1:33:14] } 8. Rc1 { [%eval 0.03] [%clk 1:34:57] } 8... Nbd7 { [%eval -0.03] [%clk 1:29:45] } 9. Be2 { [%eval -0.05] [%clk 1:32:44] } 9... Bd6 { [%eval -0.1] [%clk 1:28:40] } 10. O-O { [%eval 0.0] [%clk 1:32:40] } 10... O-O { [%eval -0.05] [%clk 1:28:41] } 11. Re1 { [%eval -0.11] [%clk 1:32:43] } 11... Re8 { [%eval -0.07] [%clk 1:26:09] } 12. Bf1 { [%eval 0.0] [%clk 1:30:43] } 12... Rc8 { [%eval 0.0] [%clk 1:23:02] } 13. d4 { [%eval 0.0] [%clk 1:25:54] } 13... Ne4 { [%eval 0.0] [%clk 1:10:41] } 14. Nxe4 { [%eval -0.3] [%clk 1:20:19] } 14... dxe4 { [%eval -0.26] [%clk 1:10:54] } 15. Ne5 { [%eval -0.37] [%clk 1:15:03] } 15... Nf6 { [%eval -0.37] [%clk 0:58:31] } 16. g3 { [%eval -0.33] [%clk 1:01:57] } 16... Qe7 { [%eval -0.36] [%clk 0:53:14] } 17. Bh3 { [%eval -0.71] [%clk 1:04:43] } 17... Rcd8 { [%eval -0.6] [%clk 0:44:40] } 18. Qe2 { [%eval -0.73] [%clk 0:51:59] } 18... Nd5 { [%eval -0.78] [%clk 0:38:46] } 19. Red1 { [%eval -0.46] [%clk 0:48:13] } 19... Nb4 { [%eval -0.67] [%clk 0:32:51] } 20. a3 { [%eval -0.98] [%clk 0:44:56] } 20... Bxe5 { [%eval -0.84] [%clk 0:42:32] } 21. axb4 { [%eval -0.95] [%clk 0:44:27] } 21... Bd6 { [%eval -0.84] [%clk 0:42:52] } 22. b5 { [%eval -0.85] [%clk 0:41:35] } 22... a5 { [%eval -1.0] [%clk 0:38:10] } 23. Bc3?! { [%eval -1.8] } { Inaccuracy. d5 was best. } { [%clk 0:33:57] } 23... Bd5 { [%eval -1.8] [%clk 0:38:57] } 24. Rb1 { [%eval -1.65] [%clk 0:34:12] } 24... Qg5?! { [%eval -0.94] } { Inaccuracy. g6 was best. } { [%clk 0:35:04] } 25. Qc2? { [%eval -2.46] } { Mistake. Qg4 was best. } { [%clk 0:29:53] } 25... Qe7?! { [%eval -1.59] } { Inaccuracy. h5 was best. } { [%clk 0:29:50] } 26. Bf1 { [%eval -1.5] [%clk 0:28:36] } 26... h5 { [%eval -1.64] [%clk 0:28:06] } 27. Bc4 { [%eval -1.54] [%clk 0:27:41] } 27... Bb7 { [%eval -1.33] [%clk 0:28:03] } 28. Qe2 { [%eval -1.57] [%clk 0:23:10] } 28... Qg5 { [%eval -1.71] [%clk 0:24:22] } 29. b4 { [%eval -1.94] [%clk 0:20:13] } 29... a4 { [%eval -1.8] [%clk 0:23:02] } 30. Qa2 { [%eval -2.01] [%clk 0:19:43] } 30... Re7 { [%eval -1.99] [%clk 0:22:42] } 31. Qxa4?! { [%eval -3.26] } { Inaccuracy. Kf1 was best. } { [%clk 0:19:04] } 31... h4 { [%eval -3.24] [%clk 0:21:37] } 32. Be1 { [%eval -3.83] [%clk 0:18:06] } 32... Bc8? { [%eval -2.06] } { Mistake. hxg3 was best. } { [%clk 0:19:05] } 33. Qa8?! { [%eval -3.27] } { Inaccuracy. Qb3 was best. } { [%clk 0:16:38] } 33... hxg3 { [%eval -3.18] [%clk 0:21:28] } 34. hxg3 { [%eval -3.85] [%clk 0:14:47] } 34... Qh5 { [%eval -3.76] [%clk 0:20:14] } 35. Rd2 { [%eval -3.67] [%clk 0:18:43] } 35... Ree8 { [%eval -3.06] [%clk 0:18:25] } 36. Qa4?! { [%eval -4.66] } { Inaccuracy. f4 was best. } { [%clk 0:15:24] } 36... Bg4 { [%eval -4.59] [%clk 0:18:36] } 37. f4 { [%eval -4.29] [%clk 0:08:28] } 37... exf3 { [%eval -4.31] [%clk 0:18:56] } 38. Qa2 { [%eval -4.98] [%clk 0:07:20] } 38... Be6 { [%eval -4.87] [%clk 0:15:25] } 39. Rh2 { [%eval -4.86] [%clk 0:04:22] } 39... Bxc4 { [%eval -4.13] [%clk 0:17:34] } 40. Qxc4 { [%eval -4.2] [%clk 0:04:45] } 40... Qg6 { [%eval -4.23] [%clk 0:15:24] } 41. Qc2 { [%eval -4.07] [%clk 0:04:04] } 41... Bxg3 { [%eval -4.09] [%clk 0:11:52] } 42. Bxg3 { [%eval -4.76] [%clk 0:02:53] } 42... Qxg3+ { [%eval -4.53] [%clk 0:12:17] } 43. Kh1 { [%eval -5.23] [%clk 0:02:49] } 43... Rxe3 { [%eval -5.24] [%clk 0:10:50] } 44. Qh7+ { [%eval -5.22] [%clk 0:24:23] } 44... Kf8 { [%eval -5.03] [%clk 0:41:08] } 45. Rc2?? { [%eval #-12] } { Checkmate is now unavoidable. Qh4 was best. } { [%clk 0:19:50] } 45... Rxd4 { [%eval #-11] [%clk 0:39:27] } 46. Qh8+ { [%eval #-11] [%clk 0:20:12] } 46... Ke7 { [%eval #-10] [%clk 0:39:54] } 47. Rg1 { [%clk 0:17:18] } 47... Rh4+ { [%clk 0:40:04] } 48. Rh2 { [%clk 0:18:30] } 48... Qxh2# { [%clk 0:39:57] } 0-1