1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 fxe6 8. O-O O-O 9. d3 d5 10. Bb3 b5 11. Nxb5 c4 12. dxc4 Qb6+ 13. Kh1 Na5 14. Bg5 dxe4 15. Bxe7 exf3 16. Rxf3 Bb7 17. c5 Qxb5 18. Bxe6+ Kh8 19. Rxf8+ Rxf8 20. Bxf8 Bxb2 21. Qd8 Bxg2+ 22. Kg1 Nc6

Only move.

23. Qd1

23. Qd3!.

23... Be4

23... Nd4!? is unclear.

24. Bd6 Bd4+??

Black seems to be fine after 24... Qb7, e.g. 25. Rb1 Qg7 26. Rxb2 Qxb2 27. Bd5 Bxd5 28. Qxd5 Qc1+ 29. Kf2 Qxc2+ 30. Kg3 Qc3+ 31. Kg4 h5+ 32. Kg5 Kg7 33. Bf8+ Kxf8 34. Qxc6 Qe5+ 35. Kxg6 Qxh2=.

25. Qxd4+!

1-0

Reference(s): Tournament report; Irish championship 2001, IRLchess, September 21, 2017.