[Event "Spassky - Byrne Candidates Quarterfinal"]
[Site "San Juan PUR"]
[Date "1974.01.21"]
[EventDate "1974.01.14"]
[Round "4"]
[Result "1-0"]
[White "Boris Spassky"]
[Black "Robert Eugene Byrne"]
[ECO "B93"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "57"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5
7. Nf3 Nbd7 8. a4 Qc7 9. Bd3 g6 10. O-O b6 11. Qe2 Bb7 12. Bc4
Bg7 13. Ng5 O-O 14. f5 gxf5 15. Rxf5 h6 16. Nh3 b5 17. axb5
axb5 18. Rxa8 Rxa8 19. Bxb5 Nxe4 20. Nxe4 Bxe4 21. Qxe4 Ra1
22. Rf1 Rxc1 23. Rxc1 Qc5+ 24. Nf2 Qxb5 25. Rd1 Nf6 26. Qa8+
Bf8 27. Qf3 Be7 28. b3 Kf8 29. Ne4 1-0