[Event "October Revolution 50years"]
[Site "Moscow"]
[Date "1967.05.23"]
[Round "3"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 g6 8. Be2 Bg7 9. Be3 O-O 10. Qd2 Ng4 11. Bxg4 Bxg4 12. O-O Rc8 13. b3 b5 14. Nxb5 Bxa1 15. Rxa1 a6 16. Nc3 f6 17. f4 Rf7 18. Rf1 Bd7 19. f5 Qa5 20. Qd3 Bc6 21. Bh6 Kh8 22. a4 Rb8 23. Rb1 1/2-1/2