[Event "Mar del Plata International-22"]
[Site "Mar del Plata"]
[Date "1959.03.23"]
[Round "1"]
[White "Rossetto, Hector"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 e6 2. Nf3 c5 3. g3 Nf6 4. Bg2 Nc6 5. O-O d5 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 b5 9. Qd3 Rc8 10. dxc5 Bxc5 11. Nc3 a6 12. Bg5 Nb4 13. Qd1 Bc6 14. a3 Nbd5 15. Ne5 Ba8 16. Nxd5 Bxd5 17. Bxf6 Qxf6 18. Bxd5 Qxe5 19. Bb7 Rb8 20. Bc6+ Ke7 21. b4 Rhd8 22. Qb1 Bb6 23. Ra2 h5 24. e3 h4 25. Qe4 Qxe4 26. Bxe4 f5 27. Bf3 g5 28. g4 h3 29. Rc1 Rd3 30. Kf1 f4 31. Be4 Rd6 32. Ke2 1/2-1/2