[Event "Piatigorsky Cup-01"]
[Site "Los Angeles"]
[Date "1963.07.02"]
[Round "1"]
[White "Keres, Paul"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Nf6 8. Nf4 Bd6 9. Bb3 Nbd7 10. Qf3 Qc7 11. h4 O-O-O 12. h5 Bf5 13. Nxf5 Qa5+ 14. c3 Qxf5 15. Qd3 Qxd3 16. Nxd3 h6 17. Rh4 Rhe8 18. Be3 Nd5 19. O-O-O Nxe3 20. fxe3 Nf6 21. Rf1 Re7 22. Nf2 Bg3 23. Rh3 Bd6 24. Bc2 e5 25. Nd3 exd4 26. exd4 Re2 27. g4 Rde8 28. Bd1 R2e3 29. Rxe3 Rxe3 30. Rf3 1/2-1/2