[Event "Mar del Plata International-24"]
[Site "Mar del Plata"]
[Date "1961.04.01"]
[Round "15"]
[White "Perez Perez, Francisco Jose"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bd3 a6 7. O-O Qc7 8. Kh1 Nbd7 9. f4 Be7 10. Qe1 Nc5 11. Qg3 Nfd7 12. Be3 Bf6 13. Rac1 O-O 14. b4 Nxd3 15. cxd3 Qd8 16. Rc2 Re8 17. a3 Kh8 18. Nf3 Be7 19. Bd4 f6 20. Qf2 b5 21. Be3 Bb7 22. Nd4 Nf8 23. Qg3 d5 24. e5 f5 25. Nb3 d4 26. Nxd4 Rc8 27. Rfc1 Qd7 28. Nb3 Ng6 29. d4 1/2-1/2