Event: ODJM A 2025
Site: Willingen GER
Date: 2025-06-08
White: Koehler, Lukas
WhiteElo: 2043
Black: Zhang, Onno
BlackElo: 1859
Result: 1/2-1/2
ECO: B98
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
Termination: normal

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:54] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... d6 { [%eval 0.31] [%clk 1:31:17] } 3. d4 { [%eval 0.22] [%clk 1:31:34] } 3... cxd4 { [%eval 0.19] [%clk 1:31:37] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:00] } 4... Nf6 { [%eval 0.31] [%clk 1:31:54] } 5. Nc3 { [%eval 0.32] [%clk 1:32:09] } 5... a6 { [%eval 0.28] [%clk 1:32:15] } 6. Bg5 { [%eval 0.0] [%clk 1:32:02] } 6... e6 { [%eval 0.17] [%clk 1:32:17] } 7. f4 { [%eval 0.04] [%clk 1:32:12] } 7... Be7 { [%eval 0.32] [%clk 1:32:35] } 8. Qf3 { [%eval 0.37] [%clk 1:32:24] } 8... O-O { [%eval 0.9] [%clk 1:32:44] } 9. O-O-O { [%eval 0.93] [%clk 1:32:22] } 9... Qc7 { [%eval 0.79] [%clk 1:32:52] } 10. g4?! { [%eval -0.2] } { Inaccuracy. Qg3 was best. } { [%clk 1:26:42] } 10... Nbd7? { [%eval 1.23] } { Mistake. b5 was best. } { [%clk 1:30:34] } 11. Bg2 { [%eval 1.26] [%clk 1:17:12] } 11... Rb8 { [%eval 1.3] [%clk 1:29:16] } 12. Bxf6? { [%eval 0.0] } { Mistake. Kb1 was best. } { [%clk 1:15:05] } 12... Nxf6?! { [%eval 0.69] } { Inaccuracy. Bxf6 was best. } { [%clk 1:27:52] } 13. g5 { [%eval 0.48] [%clk 1:14:50] } 13... Nd7 { [%eval 0.39] [%clk 1:27:16] } 14. Rhe1 { [%eval 0.19] [%clk 1:05:41] } 14... b5 { [%eval 0.2] [%clk 1:26:30] } 15. Kb1 { [%eval -0.01] [%clk 0:56:55] } 15... Bb7 { [%eval 0.01] [%clk 1:24:35] } 16. h4 { [%eval 0.33] [%clk 0:54:08] } 16... Nc5 { [%eval 0.42] [%clk 1:22:11] } 17. Qe3 { [%eval -0.01] [%clk 0:50:54] } 17... Rfc8 { [%eval 0.0] [%clk 1:18:16] } 18. h5 { [%eval -0.03] [%clk 0:42:59] } 18... e5? { [%eval 1.57] } { Mistake. b4 was best. } { [%clk 1:08:52] } 19. Nf5 { [%eval 1.46] [%clk 0:41:32] } 19... exf4 { [%eval 1.84] [%clk 1:07:12] } 20. Qxf4 { [%eval 1.91] [%clk 0:35:58] } 20... Ne6 { [%eval 1.85] [%clk 1:06:41] } 1/2-1/2