[Event "Mar del Plata"]
[Site "Mar del Plata ARG"]
[Date "1960.04.02"]
[EventDate "1960.03.29"]
[Round "4"]
[Result "1-0"]
[White "Boris Spassky"]
[Black "Olicio Gadia"]
[ECO "B09"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "87"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 O-O 6. Bd3 c5
7. dxc5 dxc5 8. Be3 Qa5 9. Bd2 Bg4 10. e5 Nfd7 11. h3 Bxf3
12. Qxf3 Nc6 13. h4 h5 14. e6 fxe6 15. Bxg6 Nde5 16. Qxh5 Nxg6
17. Qxg6 Rf6 18. Qe4 Rd8 19. O-O-O Rd4 20. Qe1 Qa6 21. Rh3 Rg6
22. h5 Rxg2 23. Qxe6+ Kh8 24. h6 Bf6 25. h7 Rd8 26. Rhh1 Nd4
27. Qxa6 bxa6 28. Ne4 Nf3 29. Nxf6 exf6 30. Be3 Rxd1+ 31. Rxd1
Kxh7 32. Bxc5 Kg6 33. Rf1 Rg3 34. Bxa7 Kf5 35. b4 Ke4 36. Rd1
Rg7 37. Bc5 Kxf4 38. Rd6 f5 39. Rxa6 Rd7 40. a4 Nd2 41. Rd6
Rxd6 42. Bxd6+ Ke3 43. Bc5+ Ke2 44. a5 1-0