Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-24
White: Althaus, Peter
Black: Trzcinska, Weronika
BlackElo: 1712
Result: 0-1
ECO: D00
Opening: Queen's Pawn Game: Accelerated London System
Variant: Standard
TimeControl: 60' + 30'' / move

1. d4 { [%eval 0.17] [%clk 1:00:53] } 1... d5 { [%eval 0.2] [%clk 1:00:53] } 2. Bf4 { [%eval 0.0] [%clk 1:01:19] } 2... e6 { [%eval 0.1] [%clk 1:01:05] } 3. e3 { [%eval 0.1] [%clk 1:01:35] } 3... Nf6 { [%eval 0.1] [%clk 1:00:45] } 4. Nf3 { [%eval 0.0] [%clk 1:01:53] } 4... Bd6 { [%eval 0.07] [%clk 1:00:57] } 5. Bg3 { [%eval 0.01] [%clk 1:02:12] } 5... a6 { [%eval 0.31] [%clk 1:00:15] } 6. c3 { [%eval 0.26] [%clk 1:02:17] } 6... Nc6 { [%eval 0.38] [%clk 1:00:33] } 7. Nbd2 { [%eval 0.34] [%clk 1:02:00] } 7... Bxg3 { [%eval 0.4] [%clk 0:59:44] } 8. hxg3 { [%eval 0.59] [%clk 1:02:16] } 8... Bd7 { [%eval 0.87] [%clk 0:59:41] } 9. Bd3 { [%eval 0.92] [%clk 1:01:46] } 9... h6 { [%eval 1.23] [%clk 0:59:35] } 10. Qc2? { [%eval 0.1] } { Mistake. Qe2 was best. } { [%clk 0:57:18] } 10... Qe7 { [%eval 0.2] [%clk 0:57:44] } 11. Nb3 { [%eval -0.12] [%clk 0:55:09] } 11... O-O-O?? { [%eval 2.06] } { Blunder. e5 was best. } { [%clk 0:51:17] } 12. Nc5 { [%eval 2.17] [%clk 0:54:08] } 12... Na5 { [%eval 2.38] [%clk 0:42:38] } 13. Qe2 { [%eval 2.35] [%clk 0:50:36] } 13... Qd6?! { [%eval 3.42] } { Inaccuracy. Ne4 was best. } { [%clk 0:34:30] } 14. Ne5 { [%eval 3.36] [%clk 0:50:15] } 14... Rhf8 { [%eval 4.18] [%clk 0:30:37] } 15. O-O { [%eval 3.34] [%clk 0:43:17] } 15... Qb6 { [%eval 4.16] [%clk 0:26:20] } 16. c4?! { [%eval 2.78] } { Inaccuracy. a4 was best. } { [%clk 0:35:20] } 16... dxc4 { [%eval 2.61] [%clk 0:21:54] } 17. Bxc4 { [%eval 2.72] [%clk 0:32:57] } 17... Nxc4 { [%eval 3.17] [%clk 0:15:50] } 18. Nxc4 { [%eval 3.18] [%clk 0:31:52] } 18... Qa7 { [%eval 2.97] [%clk 0:13:45] } 19. a4 { [%eval 2.78] [%clk 0:30:03] } 19... Bc6?! { [%eval 3.56] } { Inaccuracy. Nd5 was best. } { [%clk 0:11:26] } 20. Ne5 { [%eval 3.36] [%clk 0:28:57] } 20... Be8 { [%eval 3.77] [%clk 0:08:25] } 21. Rfc1 { [%eval 3.52] [%clk 0:28:57] } 21... Nd7 { [%eval 4.01] [%clk 0:07:16] } 22. Rc3?? { [%eval 1.71] } { Blunder. Ncxd7 was best. } { [%clk 0:23:16] } 22... Nxc5 { [%eval 1.61] [%clk 0:06:14] } 23. Rxc5 { [%eval 1.73] [%clk 0:23:02] } 23... f6 { [%eval 1.79] [%clk 0:06:02] } 24. Nf3 { [%eval 1.46] [%clk 0:17:39] } 24... c6?! { [%eval 2.18] } { Inaccuracy. Kb8 was best. } { [%clk 0:05:28] } 25. Rac1 { [%eval 1.99] [%clk 0:16:34] } 25... Kb8 { [%eval 1.98] [%clk 0:05:25] } 26. a5 { [%eval 1.46] [%clk 0:15:45] } 26... Rd5? { [%eval 3.04] } { Mistake. Ka8 was best. } { [%clk 0:04:38] } 27. R5c4?? { [%eval 0.41] } { Blunder. Nd2 was best. } { [%clk 0:12:12] } 27... Rxa5 { [%eval 0.48] [%clk 0:03:42] } 28. Qd2? { [%eval -0.97] } { Mistake. Rb4 was best. } { [%clk 0:11:41] } 28... Rb5?! { [%eval -0.29] } { Inaccuracy. Qb6 was best. } { [%clk 0:03:58] } 29. Qc3?! { [%eval -1.11] } { Inaccuracy. d5 was best. } { [%clk 0:11:37] } 29... Qb6 { [%eval -0.95] [%clk 0:04:07] } 30. Qa3 { [%eval -1.12] [%clk 0:11:13] } 30... Rf7 { [%eval -0.87] [%clk 0:03:26] } 31. Qd6+ { [%eval -0.95] [%clk 0:11:28] } 31... Qc7 { [%eval -0.91] [%clk 0:03:44] } 32. Qxe6 { [%eval -0.97] [%clk 0:10:41] } 32... Qd7?! { [%eval 0.0] } { Inaccuracy. Qe7 was best. } { [%clk 0:03:47] } 33. Qe4 { [%eval -0.05] [%clk 0:09:06] } 33... Rxb2?! { [%eval 0.58] } { Inaccuracy. Qd8 was best. } { [%clk 0:03:52] } 34. Ra1?? { [%eval -1.51] } { Blunder. d5 was best. } { [%clk 0:07:06] } 34... Re7 { [%eval -1.6] [%clk 0:03:55] } 35. Qd3 { [%eval -1.56] [%clk 0:06:58] } 35... Bh5 { [%eval -1.51] [%clk 0:03:49] } 36. Qa3 { [%eval -1.37] [%clk 0:06:05] } 36... Rb6 { [%eval -1.15] [%clk 0:03:51] } 37. Rb4 { [%eval -1.23] [%clk 0:06:19] } 37... Rxb4 { [%eval -1.11] [%clk 0:03:40] } 38. Qxb4 { [%eval -1.21] [%clk 0:06:42] } 38... Bxf3 { [%eval -1.01] [%clk 0:04:05] } 39. gxf3 { [%eval -1.12] [%clk 0:05:42] } 39... Ka8 { [%eval -0.92] [%clk 0:04:14] } 40. Kg2 { [%eval -1.25] [%clk 0:05:45] } 40... Re8 { [%eval -0.77] [%clk 0:04:33] } 41. Qb6 { [%eval -1.09] [%clk 0:05:13] } 41... Qc8 { [%eval -0.61] [%clk 0:04:23] } 42. Qc5 { [%eval -1.07] [%clk 0:05:22] } 42... Rd8 { [%eval -1.12] [%clk 0:04:42] } 43. Rd1 { [%eval -1.39] [%clk 0:05:20] } 43... Qd7 { [%eval -1.28] [%clk 0:04:55] } 44. Qb6 { [%eval -1.37] [%clk 0:05:03] } 44... Re8 { [%eval -0.9] [%clk 0:04:54] } 45. Qb4 { [%eval -1.19] [%clk 0:05:07] } 45... Qe7 { [%eval -0.83] [%clk 0:05:10] } 46. Qb3 { [%eval -1.3] [%clk 0:04:52] } 46... Qe6?! { [%eval -0.23] } { Inaccuracy. Qd6 was best. } { [%clk 0:05:32] } 47. Qc3? { [%eval -1.45] } { Mistake. d5 was best. } { [%clk 0:04:55] } 47... h5 { [%eval -0.98] [%clk 0:05:29] } 48. Qd3 { [%eval -1.44] [%clk 0:05:14] } 48... g5 { [%eval -1.27] [%clk 0:05:31] } 49. Qg6 { [%eval -1.46] [%clk 0:05:22] } 49... h4 { [%eval -1.46] [%clk 0:05:27] } 50. gxh4? { [%eval -3.21] } { Mistake. g4 was best. } { [%clk 0:04:41] } 50... gxh4 { [%eval -3.15] [%clk 0:05:49] } 51. Qg4?? { [%eval -6.63] } { Blunder. Kh2 was best. } { [%clk 0:02:57] } 51... Rg8 { [%eval -6.37] [%clk 0:05:49] } 0-1