[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.16"]
[Round "20"]
[White "Quinones, Oscar Carillo"]
[Black "Bronstein, David Ionovich"]
[Result "1/2-1/2"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Be7 6. Bc3 O-O 7. Nd2 c5 8. e3 d6 9. Ngf3 Nc6 10. O-O Ne4 11. Qc2 Nxc3 12. bxc3 e5 13. Nb3 Qc7 14. Nfd2 cxd4 15. cxd4 Bf6 16. c5 e4 17. cxd6 Qxd6 18. Nc5 Rf7 19. Rfc1 Bd8 20. Rab1 Rc7 21. Qb3+ Kh8 22. Qb5 Re7 23. Nc4 Qd5 24. a4 Qg8 25. a5 Qd5 26. Qa4 f4 27. Nxe4 fxe3 28. Nxe3 Qxa5 29. Qxa5 Nxa5 30. Nc5 Be6 31. Nxb7 Nxb7 32. Bxb7 Rb8 33. Bg2 Rxb1 34. Rxb1 Bb6 35. Nd5 Bxd5 36. Bxd5 Rd7 37. Re1 g6 38. Re8+ Kg7 39. Bf3 Rxd4 40. Kg2 a5 41. Rb8 Rb4 42. Rb7+ Kf6 43. Bd5 Rb2 44. Rf7+ Ke5 45. Bc6 h6 46. h4 Ra2 47. Be8 a4 48. Rf4 a3 49. Bxg6 Rxf2+ 50. Rxf2 Bxf2 51. Bf7 Kf6 52. Ba2 1/2-1/2