Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-23
White: Sadeh, David
Black: Zhang, Zichen
Result: 1-0
ECO: C02
Opening: French Defense: Advance Variation, Paulsen Attack
Variant: Standard
TimeControl: 60' + 30'' / move

1. e4 { [%eval 0.18] [%clk 1:00:59] } 1... e6 { [%eval 0.28] [%clk 1:00:57] } 2. d4 { [%eval 0.29] [%clk 1:01:14] } 2... d5 { [%eval 0.29] [%clk 1:01:24] } 3. e5 { [%eval 0.25] [%clk 1:01:23] } 3... c5 { [%eval 0.23] [%clk 1:01:51] } 4. Nf3 { [%eval -0.06] [%clk 1:00:18] } 4... Nc6 { [%eval 0.25] [%clk 1:02:18] } 5. c3 { [%eval 0.22] [%clk 0:57:42] } 5... Qb6 { [%eval 0.22] [%clk 1:01:19] } 6. Be2 { [%eval 0.0] [%clk 0:51:32] } 6... f6 { [%eval 0.46] [%clk 1:00:17] } 7. O-O { [%eval 0.48] [%clk 0:47:12] } 7... fxe5 { [%eval 0.48] [%clk 0:58:42] } 8. Nxe5 { [%eval 0.4] [%clk 0:45:45] } 8... Nxe5?! { [%eval 0.99] } { Inaccuracy. Nf6 was best. } { [%clk 0:56:23] } 9. dxe5 { [%eval 1.0] [%clk 0:45:39] } 9... Ne7 { [%eval 1.03] [%clk 0:55:02] } 10. Na3?! { [%eval 0.42] } { Inaccuracy. c4 was best. } { [%clk 0:42:33] } 10... g6?! { [%eval 1.24] } { Inaccuracy. Bd7 was best. } { [%clk 0:52:31] } 11. Nb5 { [%eval 1.25] [%clk 0:41:33] } 11... Nc6 { [%eval 1.23] [%clk 0:51:22] } 12. Bg5 { [%eval 1.24] [%clk 0:39:18] } 12... a6 { [%eval 1.48] [%clk 0:50:56] } 13. Na3?? { [%eval -1.45] } { Blunder. Nd6+ was best. } { [%clk 0:37:30] } 13... Bg7 { [%eval -0.89] [%clk 0:50:18] } 14. Bf6?? { [%eval -2.96] } { Blunder. Be3 was best. } { [%clk 0:36:35] } 14... Bxf6 { [%eval -2.87] [%clk 0:50:06] } 15. exf6 { [%eval -2.78] [%clk 0:36:01] } 15... O-O? { [%eval -1.01] } { Mistake. Qxb2 was best. } { [%clk 0:50:10] } 16. Qd2 { [%eval -1.02] [%clk 0:34:32] } 16... Rxf6 { [%eval -1.1] [%clk 0:48:45] } 17. Qg5?! { [%eval -2.09] } { Inaccuracy. f4 was best. } { [%clk 0:33:55] } 17... Rf8?! { [%eval -1.05] } { Inaccuracy. Kg7 was best. } { [%clk 0:47:21] } 18. Bd3? { [%eval -2.89] } { Mistake. Qd2 was best. } { [%clk 0:31:47] } 18... Qd8? { [%eval -1.19] } { Mistake. Qxb2 was best. } { [%clk 0:45:54] } 19. Qg3 { [%eval -1.28] [%clk 0:30:28] } 19... Rf7 { [%eval -1.17] [%clk 0:37:27] } 20. h4 { [%eval -1.57] [%clk 0:24:43] } 20... Rg7 { [%eval -1.04] [%clk 0:37:03] } 21. Rfe1 { [%eval -1.28] [%clk 0:21:54] } 21... c4 { [%eval -0.98] [%clk 0:35:43] } 22. Bc2 { [%eval -1.2] [%clk 0:20:57] } 22... Qb6?! { [%eval -0.16] } { Inaccuracy. Qc7 was best. } { [%clk 0:35:01] } 23. b4? { [%eval -1.62] } { Mistake. b3 was best. } { [%clk 0:18:05] } 23... a5?! { [%eval -0.77] } { Inaccuracy. Qc7 was best. } { [%clk 0:33:21] } 24. b5 { [%eval -0.8] [%clk 0:17:08] } 24... Na7?! { [%eval 0.11] } { Inaccuracy. Ne7 was best. } { [%clk 0:32:17] } 25. Qf3?? { [%eval -1.83] } { Blunder. Ba4 was best. } { [%clk 0:16:08] } 25... Nxb5?? { [%eval 2.35] } { Blunder. Bd7 was best. } { [%clk 0:31:15] } 26. Nxb5?? { [%eval -0.5] } { Blunder. Rab1 was best. } { [%clk 0:15:33] } 26... Qxb5 { [%eval -0.53] [%clk 0:31:34] } 27. h5 { [%eval -0.99] [%clk 0:15:39] } 27... gxh5?! { [%eval 0.0] } { Inaccuracy. Qb2 was best. } { [%clk 0:31:13] } 28. Qxh5 { [%eval 0.0] [%clk 0:15:36] } 28... Qc6? { [%eval 1.26] } { Mistake. Bd7 was best. } { [%clk 0:30:53] } 29. Rab1? { [%eval 0.0] } { Mistake. Re3 was best. } { [%clk 0:15:40] } 29... d4?? { [%eval 1.95] } { Blunder. Bd7 was best. } { [%clk 0:30:30] } 30. Re4?? { [%eval -2.21] } { Blunder. Be4 was best. } { [%clk 0:15:08] } 30... d3 { [%eval -2.23] [%clk 0:30:00] } 31. Bxd3?! { [%eval -3.37] } { Inaccuracy. Qh4 was best. } { [%clk 0:12:59] } 31... cxd3 { [%eval -3.16] [%clk 0:30:21] } 32. Rb6?! { [%eval -4.72] } { Inaccuracy. Rg4 was best. } { [%clk 0:13:02] } 32... Qd7?? { [%eval 0.0] } { Blunder. Rxg2+ was best. } { [%clk 0:28:17] } 33. Rd4 { [%eval 0.0] [%clk 0:13:14] } 33... Qe7 { [%eval 0.0] [%clk 0:27:01] } 34. Rbd6 { [%eval 0.0] [%clk 0:12:38] } 34... Kh8?? { [%eval #4] } { Checkmate is now unavoidable. Bd7 was best. } { [%clk 0:26:08] } 35. Rd8+ { [%eval #3] [%clk 0:12:37] } 35... Rg8 { [%eval #3] [%clk 0:26:28] } 36. Qe5+ { [%eval #2] [%clk 0:12:14] } 36... Qg7 { [%eval #2] [%clk 0:25:55] } 37. Rg4 { [%eval #1] [%clk 0:12:19] } 1-0