[Event "Lugano"] [Site "Lugano SUI"] [Date "1970.03.??"] [EventDate "1970.??.??"] [Round "13"] [Result "1-0"] [White "Bent Larsen"] [Black "Robert Eugene Byrne"] [ECO "B80"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "47"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. Bd3 b5 8. O-O Bb7 9. Qe1 Nbd7 10. f3 Be7 11. a4 bxa4 12. Nxa4 d5 13. Qg3 dxe4 14. fxe4 O-O 15. e5 Ne4 16. Qh3 Ndc5 17. Nc6 Bxc6 18. Nxc5 Bxc5 19. Bxc5 f5 20. exf6 Rxf6 21. Rxf6 Qxf6 22. Rf1 Qe5 23. b4 h6 24. Re1 1-0