1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 e6 5. Bxd5 exd5 6. Qe2+ Be7 7. Qe5 Nc6 8. Qxg7 Bf6 9. Qh6 Bg5 10. Qh5 Nb4 11. Nf3 Bf6 12. O-O Nxc2 13. Nxd5 Be6 14. Nxf6+ Qxf6 15. Qb5+ Bd7 16. Qxb7 Bc6 17. Qxc7 Qxf3 !!??

À la Morphy! In Paulsen - Morphy, First American Congress 1857 (#), Morphy sacrificed queen for minor piece on f3, 17... Qxf3!!, and won in style after 18. gxf3 Rg6+ 19. Kh1 Bh3 20. Rd1 Bg2+ 21. Kg1 Bf3+ 22. Kf1 Bg2+ (22... Rg2! was quicker) 23. Kg1 Bh3+ 24. Kh1 Bxf2 25. Qf1 Bxf1 26. Rxf1 Re2 27. Ra1 Rh6 28. d4 Be3 0-1.

In the present game, the sacrifice is unsound, and objectively Black should have played 17... Rg8!, e.g. 18. Nh4 Bxg2 19. Nxg2 Qf3.

18. Re1+ Nxe1 19. gxf3 Nxf3+ 20. Kf1 Bb5+ 21. Kg2 Ne1+ 22. Kg3?

After 22. Kh1 Black's attack peters out.

22... Rg8+ 23. Kf4 Nd3+ 24. Ke3 Kf8?

24... Rg6!.

25. b3 Re8+ 26. Kd4 Kg7 27. Qc3?

27. Ba3.

27... Kh6 28. Bb2?

28. Ba3.

28... Rg4+

0-1

After 29. f4 Rxf4+ 30. Kd5 Rd8#, White is mated in the middle of the board.

Source(s): Oliver Dunne.

Event information: Match scorecard, leinsterchess.com.