[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1964.01.22"]
[Round "12"]
[White "Darga, Klaus"]
[Black "Portisch, Lajos"]
[Result "0-1"]
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 Nc6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. d4 O-O 9. Nxd5 exd5 10. dxc5 Bxc5 11. Bg5 Qb6 12. Rc1 d4 13. Nd2 Re8 14. Nb3 Bf8 15. Qd3 a5 16. Rfd1 h6 17. Bf4 Rd8 18. Bxc6 bxc6 19. Nxd4 c5 20. Qb5 Qa6 21. Qxa6 Bxa6 22. Nc6 Rxd1+ 23. Rxd1 Bxe2 24. Re1 Bb5 25. Ne7+ Kh7 26. Bd6 Bc4 27. Bxc5 Bxa2 28. Ba3 g6 29. Rc1 a4 30. Rc8 Rxc8 31. Nxc8 Bg7 32. Nd6 f5 33. Kf1 Bd4 34. Ke2 Kg7 35. f3 Bd5 36. h3 Kf6 37. Ne8+ Kf7 38. Nd6+ Ke6 39. f4 Bc6 40. g4 Bb6 41. Nc8 Bd8 42. Ke3 Bb7 43. Nd6 Bb6+ 44. Kd3 Ba6+ 45. Kc3 Bc7 46. gxf5+ gxf5 47. Ne8 Bxf4 48. Ng7+ Ke5 49. Bf8 Be2 50. Bc5 Ke4 51. Kb4 Bd1 52. Bf8 Be5 53. Ne6 Bxb2 54. Nc5+ Ke3 55. Nxa4 Bxa4 56. Kxa4 h5 57. Kb3 Be5 58. Kc4 Ke4 59. Bc5 f4 60. Bg1 f3 61. Bf2 Bf4 62. Kc3 Be3 0-1