[Event "Piatigorsky Cup-01"]
[Site "Los Angeles"]
[Date "1963.07.15"]
[Round "8"]
[White "Petrosian, Tigran V"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Be7 5. a3 d6 6. Qc2 O-O 7. Be2 Re8 8. O-O Bg4 9. d3 Bf8 10. b3 d5 11. cxd5 Nxd5 12. Bb2 Nxc3 13. Bxc3 Qd5 14. b4 Rad8 15. Rfd1 a6 16. Rac1 Rd6 17. Rd2 Rh6 18. Qd1 Bd6 19. e4 Qe6 20. Ne1 Bxe2 21. Rxe2 Be7 22. Rb2 Rd8 23. a4 Qd7 1/2-1/2