[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.11"]
[Round "17"]
[White "Quinones, Oscar Carillo"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Ne2 Qc7 9. O-O Ng4 10. Bf4 Nge5 11. Kh1 O-O 12. Rc1 b6 13. Bb1 Bb7 14. a3 Bd6 15. Na4 Nxc4 16. Bxd6 Nxd6 17. Nxb6 Qxb6 18. Qxd6 Qxb2 19. Nc3 Rac8 20. Na4 Qd4 21. Qxd4 Nxd4 22. Nc5 Rc7 23. Nxb7 Rxb7 24. Rfd1 e5 25. Bd3 Ra7 26. Rc5 d6 27. Rd5 Rd8 28. Rb1 Kf8 29. Rb6 a5 30. g3 Ke7 31. a4 Ne6 32. Bb5 g6 33. Kg2 Nc7 34. Rd3 Ne6 35. Bc6 Nc5 36. Rf3 f6 37. Re3 Ra6 38. Rxa6 Nxa6 39. h4 h6 40. h5 g5 41. Kf3 Nb4 42. Bb5 Rc8 43. Re2 Nc2 44. Kg4 d5 45. exd5 Nd4 46. Rb2 f5+ 47. Kh3 Rc2 48. Rxc2 Nxc2 49. Kg2 Kd6 50. Bc4 e4 51. Kf1 Nb4 52. Ke2 Nxd5 53. Bb3 Kc5 54. f3 Kd4 55. fxe4 fxe4 56. Bc2 Nf6 0-1