Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-21
White: Song, Ethan
WhiteTitle: FM
WhiteElo: 2288
Black: Panda, Barnabas
BlackElo: 2123
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Nimzowitsch Attack
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:38:41] } 1... e5 { [%eval 0.22] [%clk 1:40:47] } 2. Nf3 { [%eval 0.13] [%clk 1:39:07] } 2... Nf6 { [%eval 0.34] [%clk 1:41:09] } 3. Nxe5 { [%eval 0.29] [%clk 1:39:30] } 3... d6 { [%eval 0.22] [%clk 1:41:31] } 4. Nf3 { [%eval 0.31] [%clk 1:39:57] } 4... Nxe4 { [%eval 0.24] [%clk 1:41:53] } 5. Nc3 { [%eval 0.17] [%clk 1:40:19] } 5... Nxc3 { [%eval 0.24] [%clk 1:42:14] } 6. dxc3 { [%eval 0.14] [%clk 1:40:45] } 6... Be7 { [%eval 0.11] [%clk 1:42:30] } 7. Be3 { [%eval 0.13] [%clk 1:40:51] } 7... O-O { [%eval 0.13] [%clk 1:42:47] } 8. Qd2 { [%eval 0.41] [%clk 1:39:08] } 8... Nd7 { [%eval 0.35] [%clk 1:43:08] } 9. O-O-O { [%eval 0.26] [%clk 1:38:45] } 9... Nf6 { [%eval 0.24] [%clk 1:43:27] } 10. h4 { [%eval -0.05] [%clk 1:34:56] } 10... c5 { [%eval 0.21] [%clk 1:39:01] } 11. Kb1 { [%eval -0.13] [%clk 1:26:29] } 11... b5 { [%eval 0.04] [%clk 1:31:46] } 12. Bxb5 { [%eval 0.29] [%clk 1:16:16] } 12... Be6?! { [%eval 0.9] } { Inaccuracy. Qb6 was best. } { [%clk 1:23:23] } 13. Bd3? { [%eval -0.28] } { Mistake. Qe2 was best. } { [%clk 1:09:18] } 13... Rb8?! { [%eval 0.77] } { Inaccuracy. c4 was best. } { [%clk 1:07:12] } 14. c4 { [%eval 0.66] [%clk 1:04:12] } 14... d5 { [%eval 0.68] [%clk 0:48:14] } 15. cxd5?! { [%eval -0.14] } { Inaccuracy. Qe2 was best. } { [%clk 0:48:44] } 15... Qxd5? { [%eval 1.17] } { Mistake. Nxd5 was best. } { [%clk 1:02:12] } 16. c4 { [%eval 1.19] [%clk 0:47:30] } 16... Qc6?! { [%eval 1.92] } { Inaccuracy. Qb7 was best. } { [%clk 0:44:32] } 17. Ng5 { [%eval 1.83] [%clk 0:43:53] } 17... Rb4 { [%eval 2.26] [%clk 0:40:31] } 18. Nxe6 { [%eval 2.22] [%clk 0:43:05] } 18... Qxe6 { [%eval 2.42] [%clk 0:40:52] } 19. Qc2 { [%eval 2.0] [%clk 0:42:20] } 19... Rfb8 { [%eval 2.13] [%clk 0:38:32] } 20. Bc1 { [%eval 1.78] [%clk 0:42:27] } 20... Qc6 { [%eval 1.96] [%clk 0:29:05] } 21. f3 { [%eval 1.67] [%clk 0:41:20] } 21... R4b6?! { [%eval 2.46] } { Inaccuracy. Bd6 was best. } { [%clk 0:28:37] } 22. g4 { [%eval 2.32] [%clk 0:39:59] } 22... h5 { [%eval 2.88] [%clk 0:20:59] } 23. g5 { [%eval 3.07] [%clk 0:38:09] } 23... Nd7?! { [%eval 4.03] } { Inaccuracy. Ne8 was best. } { [%clk 0:20:58] } 24. f4?! { [%eval 3.14] } { Inaccuracy. Rhe1 was best. } { [%clk 0:35:18] } 24... a5 { [%eval 3.83] [%clk 0:16:23] } 25. Qe2 { [%eval 3.39] [%clk 0:33:54] } 25... Bf8 { [%eval 4.22] [%clk 0:15:30] } 26. Bf5 { [%eval 4.08] [%clk 0:28:32] } 26... Bd6 { [%eval 4.29] [%clk 0:14:31] } 27. g6?! { [%eval 2.93] } { Inaccuracy. Rxd6 was best. } { [%clk 0:26:19] } 27... Nf6 { [%eval 3.06] [%clk 0:13:59] } 28. gxf7+ { [%eval 3.08] [%clk 0:26:32] } 28... Kxf7 { [%eval 3.08] [%clk 0:14:20] } 29. Rhg1 { [%eval 2.93] [%clk 0:26:31] } 29... Kf8 { [%eval 3.05] [%clk 0:08:54] } 30. Qg2 { [%eval 2.47] [%clk 0:20:52] } 30... Qc7 { [%eval 3.0] [%clk 0:06:18] } 31. Qf3 { [%eval 2.5] [%clk 0:19:03] } 31... a4 { [%eval 2.61] [%clk 0:05:01] } 32. Rg2 { [%eval 2.51] [%clk 0:18:33] } 32... Qa7?! { [%eval 3.41] } { Inaccuracy. Qb7 was best. } { [%clk 0:04:20] } 33. Rdg1 { [%eval 3.33] [%clk 0:16:02] } 33... R8b7 { [%eval 3.49] [%clk 0:01:44] } 34. Qc3 { [%eval 3.33] [%clk 0:16:01] } 34... Ne8 { [%eval 3.9] [%clk 0:00:48] } 35. Be4 { [%eval 3.84] [%clk 0:15:12] } 35... Re7 { [%eval 4.06] [%clk 0:00:50] } 36. Bf3 { [%eval 4.03] [%clk 0:14:41] } 36... a3 { [%eval 4.08] [%clk 0:00:46] } 37. Bxh5? { [%eval 2.05] } { Mistake. b3 was best. } { [%clk 0:14:05] } 37... axb2 { [%eval 2.16] [%clk 0:00:59] } 38. Bxb2 { [%eval 2.21] [%clk 0:13:05] } 38... Bxf4 { [%eval 2.15] [%clk 0:01:01] } 39. Rf1 { [%eval 2.08] [%clk 0:12:25] } 39... Qb8 { [%eval 2.03] [%clk 0:01:16] } 40. Rgf2 { [%eval 2.13] [%clk 0:08:56] } 40... Nf6? { [%eval 4.42] } { Mistake. Rf6 was best. } { [%clk 0:00:48] } 41. Rxf4 { [%eval 4.39] [%clk 0:04:20] } 41... Rxb2+ { [%eval 5.45] [%clk 0:01:09] } 42. Qxb2 { [%eval 5.26] [%clk 0:03:58] } 42... Rb7?! { [%eval 7.17] } { Inaccuracy. Qxb2+ was best. } { [%clk 0:01:26] } 43. Rxf6+ { [%eval 7.05] [%clk 0:04:15] } 43... gxf6 { [%eval 6.57] [%clk 0:01:48] } 44. Rxf6+ { [%eval 6.53] [%clk 0:04:38] } 44... Kg8 { [%eval 6.2] [%clk 0:01:51] } 45. Bf7+ { [%eval 6.8] [%clk 0:04:33] } 45... Kh7 { [%eval 6.66] [%clk 0:01:42] } 46. Bg6+ { [%eval 6.57] [%clk 0:04:55] } 46... Kg8 { [%eval 6.24] [%clk 0:02:05] } 47. Bh7+ { [%eval 6.0] [%clk 0:04:53] } 1-0