[Event "Las Palmas-02"]
[Site "Las Palmas"]
[Date "1973.04.06"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 Qd6 10. Be2 O-O 11. O-O c6 12. a3 a5 13. Na4 Nd7 14. Rc1 b6 15. Qd2 Bb7 16. Rfd1 Rfc8 17. Rc2 Bf6 18. Nc3 Bg7 19. e4 dxe4 20. Nxe4 Qe7 21. Qf4 Nf6 22. Nc3 Nd5 23. Nxd5 cxd5 24. Rxc8+ Rxc8 25. Bd3 Qc7 26. Qd2 Qd6 27. h3 Bc6 1/2-1/2