[Event "Mar del Plata International-11"]
[Site "Mar del Plata"]
[Date "1948.03.15"]
[Round "3"]
[White "Olivera, Alfredo"]
[Black "De Freitas, Marcio Elisio"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Nf3 Nbd7 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 f5 9. g3 b6 10. Bg2 Rb8 11. O-O O-O 12. b4 c5 13. Rd1 Qc7 14. Bb2 Bb7 15. Rac1 a6 16. Ba1 Rbd8 17. Qb2 Rf7 18. e3 h6 19. dxc5 bxc5 20. Rb1 Ba8 21. bxc5 Ndxc5 22. Qb6 Rc8 23. Nd4 Qe7 24. Nb3 Nxb3 25. Qxb3 d5 26. cxd5 Bxd5 27. Qb2 Qa7 28. Rbc1 Rfc7 29. Rxc7 Rxc7 30. Qe5 Qb6 31. Bd4 Qc6 32. Rb1 Qc2 33. Rf1 Qc4 34. Rb1 Qc6 35. h4 Nd2 36. Bxd5 exd5 37. Rb8+ Kh7 38. Qxf5+ 1-0