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Koellner,Ruben Gideon vs Willems,Niels

2026.04.05 · game 1

White to move

PGN

[Event "grenke Chess Open 2026"]
[Site "Karlsruhe GER"]
[Date "2026.04.05"]
[Round "6.11"]
[White "Koellner,Ruben Gideon"]
[Black "Willems,Niels"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2506"]
[BlackElo "2388"]
[ECO "A45"]
[Opening "Trompovsky attack (Ruth, Opovcensky opening)"]
[WhiteFideId "12993093"]
[BlackFideId "20695586"]
[EventDate "2026.04.02"]

1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Bxf6 gxf6 5. dxc5 Nc6 6. Bb5 e6 7. c4 dxc4 8.
Nd2 Bxc5 9. Ngf3 O-O 10. Bxc4 f5 11. a3 Qf6 12. g4 Kh8 13. gxf5 exf5 14. Rg1 Be6
15. Rc1 Bb6 16. b4 Rg8 17. Rxg8+ Rxg8 18. Qb3 f4 19. Ne4 Bxc4 20. Qxc4 Qe7 21.
Qb3 Qf6 22. Qc4 Qe7 23. Qb3 Qf6 24. Qc4 Qe7 25. Qc3+ Rg7 26. Nc5 fxe3 27. Qxe3
f6 28. Qxe7 Rxe7+ 29. Kf1 Bxc5 30. Rxc5 a6 31. Nd2 Kg7 32. Rc3 Kg6 33. Nc4 Rd7
34. Nb6 Rd6 35. Na4 b5 36. Nc5 Ne5 37. Kg2 Nc4 38. a4 Nb6 39. axb5 axb5 40. Ne4
Na4 1/2-1/2

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