Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: von Burg, Carl Alexander
WhiteElo: 1726
Black: Tcheau, Alain
BlackElo: 1912
Result: 1/2-1/2
ECO: A85
Opening: Dutch Defense: Queen's Knight Variation
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. d4 { [%eval 0.17] [%clk 0:15:08] } 1... f5 { [%eval 0.47] [%clk 0:15:08] } 2. c4 { [%eval 0.42] [%clk 0:15:08] } 2... Nf6 { [%eval 0.42] [%clk 0:15:12] } 3. Nc3 { [%eval 0.39] [%clk 0:15:06] } 3... e6 { [%eval 0.52] [%clk 0:15:16] } 4. g3 { [%eval 0.25] [%clk 0:15:09] } 4... Be7 { [%eval 0.49] [%clk 0:15:19] } 5. Bg2 { [%eval 0.44] [%clk 0:15:12] } 5... d6 { [%eval 0.52] [%clk 0:15:20] } 6. Nf3 { [%eval 0.44] [%clk 0:15:14] } 6... O-O { [%eval 0.66] [%clk 0:15:22] } 7. O-O { [%eval 0.45] [%clk 0:15:13] } 7... Nc6 { [%eval 1.0] [%clk 0:15:23] } 8. Qc2?! { [%eval 0.24] } { Inaccuracy. d5 was best. } { [%clk 0:14:49] } 8... d5?! { [%eval 0.84] } { Inaccuracy. e5 was best. } { [%clk 0:14:36] } 9. cxd5 { [%eval 0.76] [%clk 0:14:05] } 9... exd5 { [%eval 0.64] [%clk 0:14:32] } 10. Bf4 { [%eval 0.64] [%clk 0:12:41] } 10... Ne4 { [%eval 0.59] [%clk 0:14:18] } 11. Qb3 { [%eval 0.51] [%clk 0:12:20] } 11... Nxc3 { [%eval 0.48] [%clk 0:12:39] } 12. bxc3 { [%eval 0.39] [%clk 0:12:03] } 12... Na5 { [%eval 0.37] [%clk 0:12:06] } 13. Qc2 { [%eval 0.44] [%clk 0:11:48] } 13... Nc4?! { [%eval 1.11] } { Inaccuracy. c6 was best. } { [%clk 0:11:53] } 14. Ne5 { [%eval 1.06] [%clk 0:11:31] } 14... Nxe5 { [%eval 1.27] [%clk 0:11:49] } 15. Bxe5 { [%eval 1.44] [%clk 0:11:29] } 15... c6 { [%eval 1.12] [%clk 0:11:47] } 16. c4 { [%eval 1.37] [%clk 0:11:01] } 16... Be6 { [%eval 1.45] [%clk 0:11:36] } 17. c5?! { [%eval 0.74] } { Inaccuracy. Rab1 was best. } { [%clk 0:10:13] } 17... Bf6 { [%eval 0.71] [%clk 0:11:13] } 18. Bxf6 { [%eval 0.21] [%clk 0:10:11] } 18... Qxf6 { [%eval 0.28] [%clk 0:11:12] } 19. e3 { [%eval 0.21] [%clk 0:10:12] } 19... Bd7 { [%eval 0.45] [%clk 0:10:58] } 20. Rab1?! { [%eval -0.11] } { Inaccuracy. Qb3 was best. } { [%clk 0:10:06] } 20... Rab8? { [%eval 1.52] } { Mistake. f4 was best. } { [%clk 0:10:36] } 21. Qa4 { [%eval 1.59] [%clk 0:10:09] } 21... Qd8 { [%eval 1.7] [%clk 0:08:59] } 22. Qxa7 { [%eval 1.73] [%clk 0:09:30] } 22... Qc7?! { [%eval 2.63] } { Inaccuracy. Qc8 was best. } { [%clk 0:08:22] } 23. Qb6 { [%eval 2.17] [%clk 0:09:05] } 23... Qxb6 { [%eval 2.17] [%clk 0:07:52] } 24. Rxb6 { [%eval 2.23] [%clk 0:09:08] } 24... Bc8 { [%eval 2.13] [%clk 0:07:16] } 25. Rfb1 { [%eval 2.01] [%clk 0:09:09] } 25... Ra8 { [%eval 1.89] [%clk 0:07:18] } 26. R1b2?! { [%eval 1.2] } { Inaccuracy. Ra1 was best. } { [%clk 0:09:13] } 26... Kf7 { [%eval 1.68] [%clk 0:07:00] } 27. Kf1 { [%eval 1.23] [%clk 0:08:17] } 27... Ke7 { [%eval 1.6] [%clk 0:07:02] } 28. Ke2 { [%eval 1.16] [%clk 0:08:17] } 28... g5 { [%eval 1.0] [%clk 0:06:17] } 29. f3?! { [%eval 0.31] } { Inaccuracy. R6b4 was best. } { [%clk 0:07:15] } 29... f4 { [%eval 0.32] [%clk 0:06:14] } 30. e4 { [%eval 0.1] [%clk 0:06:44] } 30... dxe4 { [%eval 0.11] [%clk 0:05:38] } 31. fxe4 { [%eval 0.15] [%clk 0:06:38] } 31... Ra3 { [%eval 0.16] [%clk 0:05:34] } 32. R6b3 { [%eval 0.19] [%clk 0:06:18] } 32... Ra4 { [%eval 0.19] [%clk 0:04:16] } 33. Rd2 { [%eval 0.09] [%clk 0:04:44] } 33... fxg3 { [%eval 0.15] [%clk 0:03:27] } 34. hxg3 { [%eval 0.16] [%clk 0:04:36] } 34... Ra7?! { [%eval 1.22] } { Inaccuracy. h5 was best. } { [%clk 0:03:09] } 35. d5 { [%eval 0.96] [%clk 0:04:12] } 35... Bg4+?! { [%eval 2.0] } { Inaccuracy. h5 was best. } { [%clk 0:03:11] } 36. Ke3 { [%eval 1.96] [%clk 0:03:44] } 36... h5 { [%eval 1.69] [%clk 0:02:58] } 37. Kd4?! { [%eval 0.59] } { Inaccuracy. Rdb2 was best. } { [%clk 0:02:43] } 37... h4 { [%eval 0.72] [%clk 0:02:51] } 38. gxh4 { [%eval 0.53] [%clk 0:02:28] } 38... gxh4 { [%eval 0.85] [%clk 0:02:55] } 39. Bh3?! { [%eval 0.0] } { Inaccuracy. Rdb2 was best. } { [%clk 0:02:24] } 39... Bxh3 { [%eval 0.0] [%clk 0:02:08] } 40. Rxh3 { [%eval -0.05] [%clk 0:02:26] } 40... Ra4+ { [%eval 0.0] [%clk 0:01:50] } 41. Ke5 { [%eval 0.0] [%clk 0:02:24] } 41... Rh8 { [%eval 0.12] [%clk 0:01:39] } 42. Rb3 { [%eval 0.0] [%clk 0:01:11] } 42... Rh5+ { [%eval 0.0] [%clk 0:01:35] } 43. Kf4 { [%eval 0.04] [%clk 0:01:15] } 43... cxd5 { [%eval 0.0] [%clk 0:01:20] } 44. Rxb7+ { [%eval 0.0] [%clk 0:01:01] } 44... Kd8 { [%eval 0.0] [%clk 0:01:10] } 45. Kg4 { [%eval 0.0] [%clk 0:00:47] } 45... Re5 { [%eval 0.0] [%clk 0:01:05] } 46. Kxh4 { [%eval 0.0] [%clk 0:00:49] } 46... Raxe4+ { [%eval 0.0] [%clk 0:01:03] } 47. Kg3 { [%eval 0.0] [%clk 0:00:44] } 47... Rg5+ { [%eval 0.08] [%clk 0:01:00] } 48. Kf3 { [%eval 0.0] [%clk 0:00:43] } 48... Rf5+ { [%eval 0.04] [%clk 0:01:03] } 49. Kg3 { [%eval 0.0] [%clk 0:00:42] } 49... Rg5+ { [%eval 0.0] [%clk 0:01:05] } 50. Kf3 { [%eval 0.0] [%clk 0:00:34] } 50... Rf5+ { [%eval 0.0] [%clk 0:01:08] } 51. Kg2 { [%eval 0.0] [%clk 0:00:28] } 51... Rg5+ { [%eval 0.0] } 52. Kf1 { [%eval 0.0] [%clk 0:00:26] } 52... Rf5+ { [%eval 0.0] [%clk 0:01:08] } 53. Rf2 { [%eval 0.07] [%clk 0:00:22] } 53... Rh5?? { [%eval 6.23] } { Blunder. Kc8 was best. } 54. Rf8+ { [%eval 6.22] [%clk 0:00:19] } 54... Re8 { [%eval 5.73] } 55. Rf2?? { [%eval 0.04] } { Blunder. Rb8+ was best. } { [%clk 0:00:16] } 1/2-1/2