[Event "Sarajevo-06"]
[Site "Sarajevo"]
[Date "1963.04.07"]
[Round "11"]
[White "Portisch, Lajos"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nc3 d5 9. Nxd5 Nxd5 10. Bxg7 Kxg7 11. cxd5 Qxd5 12. d4 cxd4 13. Qxd4+ Qxd4 14. Nxd4 Bxg2 15. Kxg2 Nd7 16. Rac1 Rfc8 17. Rfd1 Kf6 18. Nb5 Rxc1 19. Rxc1 Nc5 20. b4 Ne6 21. Rc6 Ke5 22. f4+ Ke4 23. Kf2 h5 24. Nc3+ Kd4 25. Ke1 Nd8 26. Rc7 Ne6 27. Nb5+ Ke3 28. Rxa7 Rxa7 29. Nxa7 Nd4 30. b5 Nxe2 31. a4 Nc3 32. a5 Nxb5 33. axb6 Nd6 34. Nc8 Nb7 35. Nxe7 h4 36. f5 hxg3 37. hxg3 Kf3 38. fxg6 fxg6 39. Nxg6 Kxg3 40. Kd2 Kg4 41. Kc3 Kf5 42. Nh4+ Ke6 43. Kc4 Kd7 44. Kb5 Kc8 45. Nf5 Kb8 46. Ne7 Nd8 1/2-1/2