[Event "Piatigorsky Cup-01"]
[Site "Los Angeles"]
[Date "1963.07.17"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Bb7 10. Rd1 Qc8 11. Nb5 cxd4 12. Nbxd4 Nc6 13. a3 Nxd4 14. Nxd4 Be7 15. b4 a5 16. b5 e5 17. Nf3 Bxf3 18. gxf3 e4 19. fxe4 Nxe4 20. Bb2 Bf6 21. Bxf6 Nxf6 22. Rd6 Rb8 23. Rc6 Qf5 24. Rd1 Rbd8 25. Bd3 Qh3 26. f3 Rfe8 27. Bc2 Rxd1+ 28. Bxd1 Nd5 29. Rd6 Nc3 30. Qd3 Nxd1 31. Qxd1 Qf5 32. Rd5 Qf6 33. e4 h6 34. Kh1 Rc8 35. Rd6 Qg5 36. Rc6 Rd8 37. Qg1 Qxb5 38. Rxb6 Qe2 39. Rb1 Qxf3+ 40. Qg2 Rd1+ 41. Rxd1 Qxd1+ 0-1