Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-24
White: Chen, Zhi
WhiteElo: 2246
Black: Erne, Raphael
BlackElo: 2164
Result: 1-0
ECO: D12
Opening: Slav Defense: Quiet Variation, Schallopp Defense
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. Nf3 { [%eval 0.1] [%clk 1:40:56] } 1... d5 { [%eval 0.18] [%clk 1:40:43] } 2. d4 { [%eval 0.08] [%clk 1:41:14] } 2... Nf6 { [%eval 0.11] [%clk 1:40:56] } 3. c4 { [%eval 0.22] [%clk 1:40:55] } 3... c6 { [%eval 0.24] [%clk 1:40:38] } 4. e3 { [%eval 0.15] [%clk 1:40:31] } 4... Bf5 { [%eval 0.14] [%clk 1:41:17] } 5. Nc3 { [%eval 0.22] [%clk 1:42:08] } 5... e6 { [%eval 0.17] [%clk 1:40:32] } 6. Nh4 { [%eval 0.21] [%clk 1:41:18] } 6... Be4 { [%eval 0.3] [%clk 1:41:43] } 7. Qb3 { [%eval 0.0] [%clk 1:40:27] } 7... Qc7 { [%eval 0.1] [%clk 1:41:43] } 8. f3 { [%eval 0.08] [%clk 1:40:01] } 8... Bg6 { [%eval 0.41] [%clk 1:42:03] } 9. Be2 { [%eval 0.29] [%clk 1:38:35] } 9... Nbd7 { [%eval 0.42] [%clk 1:38:04] } 10. Bd2 { [%eval 0.08] [%clk 1:38:30] } 10... Be7 { [%eval 0.24] [%clk 1:36:41] } 11. Nxg6 { [%eval 0.05] [%clk 1:38:42] } 11... hxg6 { [%eval 0.08] [%clk 1:36:54] } 12. f4 { [%eval -0.29] [%clk 1:38:37] } 12... Rc8 { [%eval 0.16] [%clk 1:30:07] } 13. O-O-O?! { [%eval -0.68] } { Inaccuracy. Rc1 was best. } { [%clk 1:34:39] } 13... dxc4 { [%eval -0.75] [%clk 1:29:29] } 14. Qxc4 { [%eval -0.67] [%clk 1:34:15] } 14... b5 { [%eval -0.65] [%clk 1:27:10] } 15. Qd3 { [%eval -0.65] [%clk 1:32:37] } 15... a6 { [%eval -0.35] [%clk 1:21:21] } 16. e4 { [%eval -0.36] [%clk 1:31:17] } 16... c5 { [%eval -0.33] [%clk 1:21:44] } 17. e5 { [%eval -0.45] [%clk 1:16:54] } 17... cxd4 { [%eval -0.36] [%clk 1:09:53] } 18. Qxd4 { [%eval -0.36] [%clk 1:28:59] } 18... b4 { [%eval -0.38] [%clk 0:57:32] } 19. exf6 { [%eval -0.35] [%clk 1:28:57] } 19... bxc3 { [%eval -0.34] [%clk 0:56:50] } 20. fxe7 { [%eval -0.34] [%clk 1:27:11] } 20... cxd2+ { [%eval -0.27] [%clk 0:54:11] } 21. Kxd2 { [%eval -0.27] [%clk 1:21:40] } 21... Kxe7 { [%eval -0.28] [%clk 0:47:13] } 22. Ke3 { [%eval -0.45] [%clk 1:16:55] } 22... Rhd8 { [%eval -0.01] [%clk 0:38:13] } 23. Bxa6 { [%eval -0.07] [%clk 1:14:18] } 23... Nc5 { [%eval 0.01] [%clk 0:36:48] } 24. Qb4 { [%eval 0.0] [%clk 1:11:00] } 24... Rb8 { [%eval 0.0] [%clk 0:34:40] } 25. Bb5 { [%eval 0.0] [%clk 1:05:50] } 25... g5 { [%eval 0.0] [%clk 0:29:54] } 26. a4 { [%eval 0.0] [%clk 0:57:08] } 26... gxf4+ { [%eval 0.0] [%clk 0:26:44] } 27. Qxf4 { [%eval -0.06] [%clk 1:08:54] } 27... Qb6?! { [%eval 0.51] } { Inaccuracy. Qxf4+ was best. } { [%clk 0:17:09] } 28. Qb4 { [%eval 0.23] [%clk 0:54:14] } 28... Rd6?? { [%eval 2.2] } { Blunder. Kf8 was best. } { [%clk 0:09:03] } 29. Rxd6 { [%eval 2.32] [%clk 0:50:44] } 29... Qxd6 { [%eval 2.12] [%clk 0:19:29] } 30. Rc1 { [%eval 2.13] [%clk 0:27:20] } 30... Rc8? { [%eval 4.25] } { Mistake. Qe5+ was best. } { [%clk 0:19:20] } 31. Qh4+ { [%eval 3.6] [%clk 0:32:24] } 31... f6 { [%eval 4.29] [%clk 0:09:52] } 32. Qg3 { [%eval 4.11] [%clk 0:32:22] } 32... Qxg3+ { [%eval 4.73] [%clk 0:05:48] } 33. hxg3 { [%eval 5.1] [%clk 0:32:49] } 33... Rc7 { [%eval 5.1] [%clk 0:06:06] } 34. b4 { [%eval 4.71] [%clk 0:29:37] } 34... Na6 { [%eval 3.55] [%clk 0:06:32] } 35. Rb1 { [%eval 3.64] [%clk 0:29:13] } 35... Ra7 { [%eval 3.6] [%clk 0:04:50] } 36. Bxa6 { [%eval 3.77] [%clk 0:27:51] } 36... Rxa6 { [%eval 3.6] [%clk 0:05:16] } 37. a5 { [%eval 3.59] [%clk 0:27:31] } 37... Kd6 { [%eval 3.33] [%clk 0:04:36] } 38. Kd4 { [%eval 3.43] [%clk 0:26:15] } 38... Ra8?! { [%eval 4.84] } { Inaccuracy. Kc7 was best. } { [%clk 0:03:59] } 39. Kc4 { [%eval 4.67] [%clk 0:28:39] } 39... Kc7 { [%eval 4.78] [%clk 0:03:04] } 40. Kb5 { [%eval 5.19] [%clk 0:25:47] } 40... Rb8+ { [%eval 5.19] [%clk 0:01:58] } 41. Kc5 { [%eval 5.27] [%clk 0:27:27] } 41... Rd8 { [%eval 5.17] [%clk 0:29:00] } 42. b5 { [%eval 5.01] [%clk 0:56:58] } 42... Rd5+ { [%eval 4.98] [%clk 0:27:41] } 43. Kc4 { [%eval 4.64] [%clk 0:55:31] } 43... Kb7 { [%eval 4.88] [%clk 0:26:07] } 44. Ra1 { [%eval 4.68] [%clk 0:57:20] } 44... Rd7 { [%eval 4.47] [%clk 0:22:14] } 45. Rh1 { [%eval 4.48] [%clk 0:50:01] } 45... Rc7+ { [%eval 5.62] [%clk 0:12:53] } 46. Kb4 { [%eval 5.43] [%clk 0:52:50] } 46... Rd7 { [%eval 6.09] [%clk 0:07:12] } 47. Rh8 { [%eval 5.79] [%clk 0:50:52] } 47... Rd4+ { [%eval 6.1] [%clk 0:08:56] } 48. Kc5 { [%eval 6.18] [%clk 0:51:06] } 48... Rd5+ { [%eval 5.9] [%clk 0:09:19] } 49. Kc4 { [%eval 6.09] [%clk 0:51:32] } 49... Rd7 { [%eval 6.61] [%clk 0:04:05] } 50. Re8 { [%eval 6.47] [%clk 0:51:21] } 50... e5 { [%eval 7.54] [%clk 0:04:21] } 51. Kb4 { [%eval 6.99] [%clk 0:50:20] } 51... Rc7?? { [%eval #12] } { Checkmate is now unavoidable. Rd2 was best. } { [%clk 0:03:49] } 52. a6+ { [%eval #11] [%clk 0:50:29] } 1-0