Kolthoff, Siegmund vs Mondorf, Karl-Josef

1-0 · English Opening: Symmetrical Variation, Anti-Benoni Variation (A31) · 2026-08-24 · ratings 2068 / 1906

Players: Kolthoff, Siegmund vs Mondorf, Karl-Josef

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Moves

[White "Kolthoff, Siegmund"]
[Black "Mondorf, Karl-Josef"]
[Result "1-0"]
[ECO "A31"]
[Opening "English Opening: Symmetrical Variation, Anti-Benoni Variation"]
[Date "2026-08-24"]

1. c4 1... c5 2. Nf3 2... Nf6 3. d4 3... cxd4 4. Nxd4 4... e5 5. Nb5 5... d6 6. N1c3 6... a6 7. Na3 7... Be7 8. e4 8... Be6 9. Be2 9... O-O 10. O-O 10... Nbd7 11. Nc2 11... Nc5 12. f3 12... Qc7 13. Ne3 13... Rac8 14. Kh1 14... Rfd8?! 15. Bd2 15... Bf8 16. Rc1 16... Qb8 17. Be1?! 17... h6 18. Bh4 18... g5?! 19. Bf2 19... Ncd7 20. Qd2 20... Kg7?! 21. Rfd1 21... Ne8?! 22. h4 22... f6 23. g3 23... Kf7?! 24. hxg5 24... fxg5 25. Kg2 25... Nef6 26. Rh1 26... Ng8? 27. Rcd1?! 27... b5 28. cxb5 28... axb5 29. Bxb5 29... Ndf6 30. Be2?! 30... Qb7?! 31. b3 31... Qb4 32. Ncd5 32... Nxd5?? 33. exd5

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