[Event "Mar del Plata International-24"]
[Site "Mar del Plata"]
[Date "1961.03.18"]
[Round "7"]
[White "Silva Nazzari, Roberto"]
[Black "Pelikan, Jorge"]
[Result "0-1"]

1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 f5 5. O-O Nf6 6. b3 O-O 7. Bb2 c6 8. c4 Na6 9. Nc3 Qc7 10. Rc1 e5 11. dxe5 dxe5 12. Qc2 e4 13. Nd4 Ng4 14. Nd1 Rd8 15. e3 Nb4 16. Qb1 Nd3 17. Rc2 Nxb2 18. Nxb2 Bxd4 19. exd4 Rxd4 20. Rd1 c5 21. f3 Nf6 22. Rcd2 Qe5 23. Re2 Bd7 24. fxe4 fxe4 25. Nd3 Qd6 26. Nf2 Bf5 27. Rde1 e3 0-1