Event: ODJM A 2025
Site: Willingen GER
Date: 2025-06-13
White: Zhang, Onno
WhiteElo: 1859
Black: Beduschi, Ben
BlackElo: 2017
Result: 1-0
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard
Termination: normal

1. e4 { [%eval 0.18] [%clk 1:30:26] } 1... c5 { [%eval 0.25] [%clk 1:30:33] } 2. Nf3 { [%eval 0.2] [%clk 1:30:29] } 2... d6 { [%eval 0.31] [%clk 1:30:54] } 3. d4 { [%eval 0.22] [%clk 1:30:48] } 3... cxd4 { [%eval 0.19] [%clk 1:31:16] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:11] } 4... Nf6 { [%eval 0.31] [%clk 1:31:38] } 5. Nc3 { [%eval 0.32] [%clk 1:31:25] } 5... a6 { [%eval 0.28] [%clk 1:32:01] } 6. Be2 { [%eval 0.14] [%clk 1:27:24] } 6... e5 { [%eval 0.14] [%clk 1:32:22] } 7. Nb3 { [%eval 0.09] [%clk 1:27:47] } 7... Be6 { [%eval 0.18] [%clk 1:32:45] } 8. Be3 { [%eval 0.23] [%clk 1:27:19] } 8... Be7 { [%eval 0.29] [%clk 1:33:08] } 9. Qd2 { [%eval 0.13] [%clk 1:27:40] } 9... Nbd7 { [%eval 0.12] [%clk 1:29:16] } 10. f3 { [%eval -0.17] [%clk 1:26:55] } 10... Rc8 { [%eval -0.08] [%clk 1:28:24] } 11. g4 { [%eval -0.02] [%clk 1:25:54] } 11... O-O { [%eval 0.0] [%clk 1:25:33] } 12. O-O-O { [%eval -0.19] [%clk 1:26:06] } 12... b5 { [%eval -0.35] [%clk 1:25:22] } 13. h4 { [%eval -0.88] [%clk 1:23:03] } 13... b4?! { [%eval -0.3] } { Inaccuracy. Qc7 was best. } { [%clk 1:10:12] } 14. Na4?? { [%eval -2.34] } { Blunder. Nd5 was best. } { [%clk 1:18:53] } 14... a5?? { [%eval 0.24] } { Blunder. Qc7 was best. } { [%clk 1:01:40] } 15. h5? { [%eval -1.09] } { Mistake. Bb5 was best. } { [%clk 1:13:38] } 15... Qc7 { [%eval -1.11] [%clk 0:58:17] } 16. g5 { [%eval -1.08] [%clk 1:13:20] } 16... Ne8?? { [%eval 0.78] } { Blunder. Nxe4 was best. } { [%clk 0:57:02] } 17. Na1?? { [%eval -1.85] } { Blunder. Bb5 was best. } { [%clk 0:54:29] } 17... Qc6 { [%eval -1.9] [%clk 0:47:53] } 18. b3 { [%eval -1.93] [%clk 0:53:41] } 18... Nc5 { [%eval -1.52] [%clk 0:35:22] } 19. Nb2?! { [%eval -2.19] } { Inaccuracy. Nxc5 was best. } { [%clk 0:51:38] } 19... Nc7 { [%eval -2.08] [%clk 0:15:33] } 20. Nc4 { [%eval -2.47] [%clk 0:44:38] } 20... Ra8 { [%eval -2.25] [%clk 0:14:49] } 21. g6 { [%eval -2.32] [%clk 0:34:15] } 21... a4?! { [%eval -1.2] } { Inaccuracy. Nb5 was best. } { [%clk 0:12:42] } 22. gxh7+? { [%eval -2.94] } { Mistake. h6 was best. } { [%clk 0:31:30] } 22... Kh8?! { [%eval -2.13] } { Inaccuracy. Kxh7 was best. } { [%clk 0:06:42] } 23. Rdg1 { [%eval -2.38] [%clk 0:19:01] } 23... axb3?? { [%eval 2.3] } { Blunder. Kxh7 was best. } { [%clk 0:04:19] } 24. Bh6 { [%eval 2.28] [%clk 0:17:52] } 24... gxh6?? { [%eval 5.75] } { Blunder. b2+ was best. } { [%clk 0:01:15] } 25. Qxh6 { [%eval 5.65] [%clk 0:17:58] } 25... Ne8?? { [%eval #6] } { Checkmate is now unavoidable. b2+ was best. } { [%clk 0:01:44] } 26. Rg8+ { [%eval #5] [%clk 0:18:12] } 26... Rxg8 { [%clk 0:02:01] } 27. hxg8=Q+ Kxg8 { [%clk 0:02:22] } 28. Rg1+ { [%clk 0:18:51] } 1-0