[Event "World-ch25 Petrosian-Spassky +4-3=17"]
[Site "Moscow"]
[Date "1966.04.29"]
[Round "9"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. O-O O-O 10. Re1 Bf6 11. Be4 Nce7 12. Qc2 g6 13. Bh6 Bg7 14. Bg5 f6 15. Bd2 Bd7 16. Qb3 Bc6 17. Bxd5 exd5 18. Ne4 Rf7 19. Nc5 Nf5 20. h3 Bf8 21. Ne6 Qd7 22. Nxf8 Rfxf8 23. Bb4 Rfe8 24. Rxe8+ Rxe8 25. Re1 Rxe1+ 26. Bxe1 1/2-1/2