[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.09.07"]
[Round "20"]
[White "Averbakh, Yuri L"]
[Black "Matanovic, Aleksandar"]
[Result "1-0"]

1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. g3 c6 5. d3 Nf6 6. Bg2 Be7 7. O-O O-O 8. c5 Kh8 9. cxd6 Bxd6 10. b3 Nbd7 11. Bb2 Qe7 12. Nh4 Nb6 13. e4 fxe4 14. Nxe4 Nxe4 15. dxe4 Be6 16. Qh5 Bf7 17. Qe2 Be6 18. Rad1 Rad8 19. Rd2 Bc7 20. Rfd1 Rxd2 21. Rxd2 Kg8 22. Bf3 g6 23. Bg4 Bf7 24. Nf3 Re8 25. h4 Be6 26. Bxe6+ Qxe6 27. Ng5 Qe7 28. Qg4 h6 29. Nf3 Qe6 30. Nh2 h5 31. Qg5 Rf8 32. Kg2 Qf6 33. Qxf6 Rxf6 34. Nf3 Re6 35. Ba3 Re8 36. Bc5 Kf7 37. a4 Kf6 38. a5 Na8 39. Rd7 Rd8 40. Be7+ Ke6 41. Rxd8 1-0