Players: Koellner, Ruben Gideon vs Ahmed, Daniel
Replay & analyse this game → Master database[White "Koellner, Ruben Gideon"] [Black "Ahmed, Daniel"] [Result "1-0"] [ECO "D04"] [Opening "Queen's Pawn Game: Colle System"] [Date "2026-08-07"] 1. d4 1... Nf6 2. Nf3 2... d5 3. e3 3... c5 4. Nbd2 4... Nc6 5. c3 5... e6 6. Bd3 6... Be7 7. O-O 7... Qc7 8. dxc5 8... Bxc5 9. b4 9... Bd6 10. Bb2 10... Ng4 11. h3 11... h5? 12. b5 12... Nce5 13. Nxe5?! 13... Nxe5 14. Be2 14... g5?? 15. c4 15... Rg8 16. Rc1 16... Qe7 17. Qc2 17... g4 18. cxd5 18... Kf8?? 19. Ne4 19... Bd7 20. Nxd6 20... Nf3+ 21. Kh1 21... Qxd6 22. gxf3 22... g3 23. Rg1 23... Rc8 24. Qxc8+ 24... Bxc8 25. Rxc8+ 25... Ke7 26. Rxg8 26... gxf2 27. Rd1 27... Qb4 28. d6+ 28... Kd7 29. Bf6 29... Qe1+ 30. Kg2 30... e5 31. Rd8+ 31... Ke6 32. Re8+ 32... Kf5 33. Bd3+ 33... e4 34. fxe4+ 34... Kxf6 35. d7 35... Qxd1?! 36. d8=Q+ 36... Kg7 37. Qg5+ 37... Kh7 38. e5+ 38... Qxd3 39. Qxh5+ 39... Kg7 40. Qh8+ 40... Kg6 41. Rg8+ 41... Kf5 42. Qf6+ 42... Ke4 43. Rg4+ 43... Kxe3 44. Qxf2#
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