[Event "Sarajevo-06"]
[Site "Sarajevo"]
[Date "1963.03.27"]
[Round "3"]
[White "Portisch, Lajos"]
[Black "Shamkovich, Leonid Alexandrovic"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. Ng3 O-O 7. e4 Nc6 8. Bd3 d5 9. cxd5 Bxd3 10. Qxd3 exd5 11. e5 Ne4 12. a3 Bxc3+ 13. bxc3 f5 14. Ne2 Na5 15. h4 Nb3 16. Rb1 Nxc1 17. Rxc1 f4 18. Qf3 c5 19. Nxf4 Rc8 20. Qe3 cxd4 21. cxd4 Rxc1+ 22. Qxc1 Rf7 23. g3 Rc7 24. Qb2 Rc4 25. O-O Qd7 26. Rc1 Qc6 27. Rxc4 Qxc4 28. Kg2 Kf7 29. a4 g6 30. Ne2 Qd3 31. Qb5 Qc2 32. Qd7+ Kg8 33. e6 1-0