Mertens, Klaus vs Best, Ingeborg

1-0 · English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense (A13) · 2026-08-19 · ratings 2061 / 1817

Players: Mertens, Klaus vs Best, Ingeborg

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Moves

[White "Mertens, Klaus"]
[Black "Best, Ingeborg"]
[Result "1-0"]
[ECO "A13"]
[Opening "English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense"]
[Date "2026-08-19"]

1. Nf3 1... e6 2. g3 2... d5 3. Bg2 3... Nf6 4. c4 4... c6 5. b3 5... Nbd7 6. O-O 6... Bd6 7. Bb2 7... O-O 8. d4 8... b6 9. Nbd2 9... Bb7 10. Qc2 10... c5 11. cxd5 11... exd5 12. Rac1 12... Rc8 13. Qf5 13... Qe7 14. e3 14... Qe6 15. Bh3 15... Qxf5 16. Bxf5 16... g6 17. Bh3 17... Ba6 18. Rfd1 18... c4? 19. Ne5 19... Rc7?! 20. bxc4 20... Bxe5? 21. dxe5 21... Ne4 22. Nxe4 22... Bxc4 23. e6 23... dxe4 24. exd7 24... Rd8 25. Bf6 25... Rdxd7?!

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