[Event "Piatigorsky Cup-01"]
[Site "Los Angeles"]
[Date "1963.07.11"]
[Round "6"]
[White "Najdorf, Miguel"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Bd3 Bb7 9. O-O c5 10. cxd5 Nxd5 11. Bxe7 Qxe7 12. Nxd5 exd5 13. dxc5 bxc5 14. Rc1 Nd7 15. b4 c4 16. Be2 Nf6 17. Rb1 Ne4 18. Qd4 Rfd8 19. Rfc1 Rd6 20. a4 Rf6 21. Rf1 a6 22. Bd1 Rd8 23. b5 axb5 24. axb5 Nc5 25. Qh4 1/2-1/2