[Event "Bled 30th Anniversary"]
[Site "Bled"]
[Date "1961.09.09"]
[Round "5"]
[White "Portisch, Lajos"]
[Black "Udovcic, Mijo"]
[Result "1-0"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 g6 5. e4 e5 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. Bf1 a5 10. Rb1 Ng4 11. h3 exd4 12. Nxd4 Qb6 13. Qxg4 Bxd4 14. Be3 Bxe3 15. Rxe3 f5 16. Qd1 Nc5 17. Qxd6 fxe4 18. Nd5 Qa7 19. Nf6+ Kg7 20. Nxh7 Rf5 21. g4 Kxh7 22. gxf5 Bxf5 23. Qe7+ Kg8 24. h4 b6 25. Qxa7 Rxa7 26. Rd1 Kf7 27. Rd6 Rc7 28. f3 exf3 29. Rxf3 Ne4 30. Rd4 Ke6 31. Re3 Ke5 32. Rdxe4+ Bxe4 33. Bg2 1-0