Haertner, Helmut, Dr. vs Cosan, Gokmen

0-1 · Queen's Pawn Game: Zukertort Variation (D02) · 2026-08-25 · ratings 1917 / 1847

Players: Haertner, Helmut, Dr. vs Cosan, Gokmen

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Moves

[White "Haertner, Helmut, Dr."]
[Black "Cosan, Gokmen"]
[Result "0-1"]
[ECO "D02"]
[Opening "Queen's Pawn Game: Zukertort Variation"]
[Date "2026-08-25"]

1. d4 1... d5 2. Nf3 2... e6 3. c4 3... c6 4. e3 4... Bd6 5. Nc3 5... f5 6. Qc2 6... Nf6 7. b3 7... O-O 8. Bb2 8... Ne4 9. c5 9... Bc7 10. h4 10... Nd7 11. a3 11... Ndf6 12. Ng5?? 12... Ng4 13. Nd1 13... h6 14. Nf3 14... f4?! 15. Bd3 15... fxe3 16. Bxe4 16... exf2+ 17. Kd2?? 17... dxe4 18. Qxe4 18... Rf4 19. Qe2 19... Qd5 20. Qc4 20... Qf5 21. Qe2?! 21... Re4 22. Qf1 22... Bf4+ 23. Kc3 23... Bg3 24. Qd3 24... Re1 25. Qxf5 25... exf5 26. Nxf2 26... Rxa1 27. Rxa1 27... Nxf2

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