Event: Biel Chess Festival 2025 Blitz
Site: Biel, Switzerland
Date: 2025-07-20
White: Wigger, Michael
WhiteElo: 1941
Black: Song, Ethan
Result: 0-1
ECO: E43
Opening: Nimzo-Indian Defense: St. Petersburg Variation
Variant: Standard
TimeControl: 3 min + 2 sec per move

1. d4 { [%eval 0.17] [%clk 0:03:04] } 1... Nf6 { [%eval 0.19] [%clk 0:03:03] } 2. c4 { [%eval 0.18] [%clk 0:03:05] } 2... e6 { [%eval 0.14] [%clk 0:03:05] } 3. Nc3 { [%eval 0.09] [%clk 0:03:06] } 3... Bb4 { [%eval 0.09] [%clk 0:03:05] } 4. e3 { [%eval 0.06] [%clk 0:03:07] } 4... b6 { [%eval 0.29] [%clk 0:03:07] } 5. a3?! { [%eval -0.28] } { Inaccuracy. Ne2 was best. } { [%clk 0:03:04] } 5... Be7?! { [%eval 0.78] } { Inaccuracy. Bxc3+ was best. } { [%clk 0:03:06] } 6. Bd3 { [%eval 0.29] [%clk 0:02:59] } 6... Bb7?! { [%eval 0.92] } { Inaccuracy. d5 was best. } { [%clk 0:03:08] } 7. f3?! { [%eval -0.03] } { Inaccuracy. e4 was best. } { [%clk 0:03:00] } 7... d6?! { [%eval 0.77] } { Inaccuracy. c5 was best. } { [%clk 0:03:08] } 8. Nge2 { [%eval 0.7] [%clk 0:03:01] } 8... Nbd7 { [%eval 0.88] [%clk 0:03:10] } 9. O-O?! { [%eval 0.3] } { Inaccuracy. e4 was best. } { [%clk 0:03:01] } 9... e5?! { [%eval 1.23] } { Inaccuracy. c5 was best. } { [%clk 0:03:11] } 10. d5 { [%eval 0.92] [%clk 0:02:58] } 10... c6 { [%eval 1.14] [%clk 0:03:08] } 11. e4 { [%eval 1.18] [%clk 0:02:58] } 11... Rc8 { [%eval 1.27] [%clk 0:03:08] } 12. Be3 { [%eval 1.27] [%clk 0:02:53] } 12... h5 { [%eval 1.38] [%clk 0:02:59] } 13. dxc6 { [%eval 1.39] [%clk 0:02:47] } 13... Bxc6 { [%eval 1.33] [%clk 0:02:59] } 14. Nd5 { [%eval 1.29] [%clk 0:02:48] } 14... h4 { [%eval 1.54] [%clk 0:02:52] } 15. b4 { [%eval 1.54] [%clk 0:02:40] } 15... g6 { [%eval 2.09] [%clk 0:02:31] } 16. Qd2 { [%eval 1.86] [%clk 0:02:37] } 16... Nxd5 { [%eval 2.07] [%clk 0:02:26] } 17. cxd5 { [%eval 1.96] [%clk 0:02:37] } 17... Bb7 { [%eval 1.95] [%clk 0:02:26] } 18. Rfc1 { [%eval 1.8] [%clk 0:02:29] } 18... O-O { [%eval 1.83] [%clk 0:02:23] } 19. Bh6 { [%eval 1.41] [%clk 0:02:22] } 19... Re8 { [%eval 1.46] [%clk 0:02:23] } 20. Be3 { [%eval 1.58] [%clk 0:02:23] } 20... a6 { [%eval 1.97] [%clk 0:02:14] } 21. Rxc8 { [%eval 1.45] [%clk 0:02:16] } 21... Qxc8 { [%eval 1.56] [%clk 0:02:09] } 22. Rc1 { [%eval 1.39] [%clk 0:02:17] } 22... Qd8 { [%eval 1.55] [%clk 0:02:09] } 23. Rc2 { [%eval 1.4] [%clk 0:02:06] } 23... a5?! { [%eval 2.42] } { Inaccuracy. Qb8 was best. } { [%clk 0:02:04] } 24. Bb5 { [%eval 2.58] [%clk 0:01:59] } 24... Bf6 { [%eval 3.07] [%clk 0:01:53] } 25. Bc6 { [%eval 2.75] [%clk 0:01:58] } 25... Ba6 { [%eval 2.78] [%clk 0:01:51] } 26. b5 { [%eval 2.75] [%clk 0:01:59] } 26... Bc8 { [%eval 2.73] [%clk 0:01:51] } 27. Nc1? { [%eval 1.26] } { Mistake. h3 was best. } { [%clk 0:01:49] } 27... Rf8 { [%eval 1.42] [%clk 0:01:44] } 28. Nd3?! { [%eval 0.78] } { Inaccuracy. Bxd7 was best. } { [%clk 0:01:42] } 28... Kh7? { [%eval 2.0] } { Mistake. Nc5 was best. } { [%clk 0:01:35] } 29. Nb2?! { [%eval 1.22] } { Inaccuracy. Bxd7 was best. } { [%clk 0:01:42] } 29... Nc5 { [%eval 1.29] [%clk 0:01:13] } 30. Bxc5 { [%eval 1.0] [%clk 0:01:43] } 30... bxc5?! { [%eval 1.81] } { Inaccuracy. dxc5 was best. } { [%clk 0:01:14] } 31. Nc4 { [%eval 1.9] [%clk 0:01:43] } 31... Bg5 { [%eval 2.29] [%clk 0:01:15] } 32. Qf2?? { [%eval 0.38] } { Blunder. Qxa5 was best. } { [%clk 0:01:40] } 32... Bf4?! { [%eval 1.45] } { Inaccuracy. f5 was best. } { [%clk 0:01:11] } 33. b6? { [%eval -0.07] } { Mistake. Rb2 was best. } { [%clk 0:01:38] } 33... Ba6 { [%eval -0.04] [%clk 0:01:12] } 34. Nxa5?? { [%eval -5.36] } { Blunder. b7 was best. } { [%clk 0:01:35] } 34... Qg5?? { [%eval -1.98] } { Blunder. Qxb6 was best. } { [%clk 0:01:08] } 35. Kh1 { [%eval -1.77] [%clk 0:01:27] } 35... Be3 { [%eval -1.82] [%clk 0:01:08] } 36. Qe1 { [%eval -1.72] [%clk 0:01:23] } 36... h3 { [%eval -1.74] [%clk 0:01:06] } 37. g3? { [%eval -3.82] } { Mistake. gxh3 was best. } { [%clk 0:01:21] } 37... Bd3 { [%eval -4.52] [%clk 0:01:04] } 38. Rb2 { [%eval -4.45] [%clk 0:01:10] } 38... Bd4 { [%eval -4.6] [%clk 0:01:00] } 39. Ra2 { [%eval -4.74] [%clk 0:01:06] } 39... Qf6 { [%eval -4.6] [%clk 0:00:53] } 40. Qd1 { [%eval -4.22] [%clk 0:01:01] } 40... c4 { [%eval -4.27] [%clk 0:00:41] } 41. b7 { [%eval -4.09] [%clk 0:00:51] } 41... g5?? { [%eval -0.31] } { Blunder. Qd8 was best. } { [%clk 0:00:43] } 42. Bd7 { [%eval -0.53] [%clk 0:00:49] } 42... Rb8 { [%eval -0.57] [%clk 0:00:35] } 43. Bf5+ { [%eval -0.46] [%clk 0:00:48] } 43... Kg7 { [%eval -0.43] [%clk 0:00:37] } 44. Qd2?? { [%eval -4.9] } { Blunder. Nc6 was best. } { [%clk 0:00:37] } 44... Bf1?? { [%eval -0.56] } { Blunder. g4 was best. } { [%clk 0:00:33] } 45. Qe1?! { [%eval -1.3] } { Inaccuracy. Qd1 was best. } { [%clk 0:00:32] } 45... Bg2+? { [%eval 0.0] } { Mistake. Bd3 was best. } { [%clk 0:00:33] } 46. Rxg2 { [%eval 0.0] [%clk 0:00:32] } 46... hxg2+ { [%eval 0.0] [%clk 0:00:34] } 47. Kxg2 { [%eval 0.0] [%clk 0:00:32] } 47... Bb6?! { [%eval 1.07] } { Inaccuracy. c3 was best. } { [%clk 0:00:31] } 48. Nc6?? { [%eval -2.78] } { Blunder. Bc8 was best. } { [%clk 0:00:30] } 48... Rxb7 { [%eval -1.98] [%clk 0:00:32] } 49. Qc3?? { [%eval -5.2] } { Blunder. Bc8 was best. } { [%clk 0:00:26] } 49... Bc5?! { [%eval -3.83] } { Inaccuracy. Bd4 was best. } { [%clk 0:00:32] } 50. Nb4 { [%eval -3.31] [%clk 0:00:27] } 50... Ra7?! { [%eval -2.33] } { Inaccuracy. g4 was best. } { [%clk 0:00:31] } 51. g4?? { [%eval -5.35] } { Blunder. Qxc4 was best. } { [%clk 0:00:26] } 51... Qh6 { [%eval -5.7] [%clk 0:00:29] } 52. Nc2 { [%eval -6.32] [%clk 0:00:27] } 52... Qh4 { [%clk 0:00:28] } 53. Qd2 { [%clk 0:00:26] } 53... c3 { [%clk 0:00:29] } 54. Qe2 { [%clk 0:00:27] } 54... Rb7 { [%clk 0:00:29] } 55. a4 { [%clk 0:00:24] } 55... Rb2 { [%clk 0:00:28] } 56. a5 { [%clk 0:00:24] } 56... Ra2 { [%clk 0:00:30] } 57. a6 { [%clk 0:00:24] } 57... Kh6 { [%clk 0:00:28] } 58. Bc8 { [%clk 0:00:25] } 58... Kg7 { [%clk 0:00:28] } 59. h3 { [%clk 0:00:23] } 59... Be3 { [%clk 0:00:27] } 60. Qd3 { [%clk 0:00:22] } 60... Qf2+ { [%clk 0:00:27] } 61. Kh1 { [%clk 0:00:23] } 61... Qg1# { [%clk 0:00:24] } 0-1