[Event "Candidates f Fischer-Petrosian +5-1=3"]
[Site "Buenos Aires"]
[Date "1971.10.12"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Fischer, Robert James"]
[Result "1/2-1/2"]
[BlackElo "2760"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Qa5 11. Rc1 Be6 12. b3 Rfc8 13. Be2 a6 14. Nd5 Qxd2+ 15. Kxd2 Nxd5 16. cxd5 Bd7 17. Rxc8+ Rxc8 18. Rc1 Rxc1 19. Kxc1 Kf8 20. Kc2 e6 1/2-1/2