[Event "Milton Keynes Chess Congress Open"] [Site "Milton Keynes"] [Date "2025.06.08"] [Round "5"] [White "O'Brien, Thomas P"] [Black "Gunarathne, Senith"] [Result "1-0"] [ECO "A83"] [WhiteElo "1915"] [BlackElo "2086"] [PlyCount "57"] [EventDate "2025.06.07"] [EventType "swiss"] [EventRounds "5"] [EventCountry "ENG"] [SourceVersionDate "2025.06.09"] 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 d5 5. Bxf6 exf6 6. Qh5+ g6 7. Qxd5 Bf5 8. Qxb7 Nd7 9. Bb5 Bd6 10. Nge2 O-O 11. Ng3 Bxg3 12. hxg3 Nb6 13. O-O-O a6 14. Ba4 Kg7 15. Bb3 Qd7 16. Nd5 Rfd8 17. Rxh7+ Kxh7 18. Nxf6+ Kg7 19. Nxd7 Rxd7 20. d5 Rdd8 21. Qxc7+ Nd7 22. Qc3+ Nf6 23. d6 Rac8 24. Qa5 Nd7 25. Qd5 Rf8 26. Rh1 Nc5 27. Qe5+ Rf6 28. Qe7+ Rf7 29. Qxf7# 1-0