Event: Round 4: Sickmann, Lisa - Koepke, Elena
Date: 2025-05-24
White: Sickmann, Lisa
WhiteTitle: WFM
WhiteElo: 2030
Black: Koepke, Elena
BlackTitle: WGM
BlackElo: 2283
Result: 0-1
ECO: C42
Opening: Petrov's Defense: Classical Attack, Marshall Variation
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] [%clk 0:03:04] } 1... e5 { [%eval 0.21] [%clk 0:03:03] } 2. Nf3 { [%eval 0.13] [%clk 0:03:05] } 2... Nf6 { [%eval 0.34] [%clk 0:03:04] } 3. Nxe5 { [%eval 0.29] [%clk 0:03:06] } 3... d6 { [%eval 0.22] [%clk 0:03:06] } 4. Nf3 { [%eval 0.31] [%clk 0:03:07] } 4... Nxe4 { [%eval 0.24] [%clk 0:03:07] } 5. d4 { [%eval 0.25] [%clk 0:03:08] } 5... d5 { [%eval 0.2] [%clk 0:03:08] } 6. Bd3 { [%eval 0.21] [%clk 0:03:10] } 6... Bd6 { [%eval 0.28] [%clk 0:03:09] } 7. c3 { [%eval -0.09] [%clk 0:03:11] } 7... O-O { [%eval -0.14] [%clk 0:03:07] } 8. O-O { [%eval -0.2] [%clk 0:03:11] } 8... Bg4 { [%eval -0.15] [%clk 0:03:05] } 9. Re1? { [%eval -1.54] } { Mistake. c4 was best. } { [%clk 0:03:05] } 9... Re8?? { [%eval 0.18] } { Blunder. Bxh2+ was best. } { [%clk 0:03:03] } 10. Be3 { [%eval -0.33] [%clk 0:02:54] } 10... Nd7 { [%eval -0.36] [%clk 0:02:56] } 11. Nbd2 { [%eval -0.43] [%clk 0:02:54] } 11... Ndf6 { [%eval 0.0] [%clk 0:02:53] } 12. h3 { [%eval -0.1] [%clk 0:02:53] } 12... Bh5 { [%eval 0.18] [%clk 0:02:54] } 13. Nf1 { [%eval -0.28] [%clk 0:02:46] } 13... c6 { [%eval -0.18] [%clk 0:02:52] } 14. Bg5?? { [%eval -5.27] } { Blunder. Qc2 was best. } { [%clk 0:02:41] } 14... Nxg5 { [%eval -5.34] [%clk 0:02:38] } 15. N1d2 { [%eval -6.55] [%clk 0:02:27] } 15... Nxf3+ { [%eval -6.57] [%clk 0:02:34] } 16. Nxf3 { [%eval -6.63] [%clk 0:02:27] } 16... Rxe1+ { [%eval -6.54] [%clk 0:02:33] } 17. Qxe1 { [%eval -6.2] [%clk 0:02:28] } 17... Bxf3 { [%eval -6.34] [%clk 0:02:33] } 18. gxf3 { [%eval -6.27] [%clk 0:02:29] } 18... Bc7 { [%eval -5.91] [%clk 0:02:28] } 19. Qf1 { [%eval -6.2] [%clk 0:02:20] } 19... Qd6 { [%eval -6.08] [%clk 0:02:29] } 20. Qg2 { [%eval -6.55] [%clk 0:02:21] } 20... Re8 { [%eval -6.05] [%clk 0:02:27] } 21. h4 { [%eval -7.04] [%clk 0:02:08] } 21... Nh5 { [%eval -6.61] [%clk 0:02:22] } 22. Bf5 { [%eval -7.26] [%clk 0:02:04] } 22... g6 { [%eval -6.55] [%clk 0:02:22] } 23. Bg4 { [%eval -7.35] [%clk 0:02:05] } 23... Nf4 { [%eval -7.19] [%clk 0:02:22] } 24. Qf1? { [%eval #-3] } { Checkmate is now unavoidable. Qh1 was best. } { [%clk 0:02:06] } 24... Ne2+ { [%eval #-2] [%clk 0:02:21] } 0-1