[Event "Mar del Plata International-29"]
[Site "Mar del Plata"]
[Date "1971.04.02"]
[Round "9"]
[White "Pilnik, Hermann"]
[Black "Sumiacher, Carlos"]
[Result "1-0"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. d3 Bg7 6. O-O O-O 7. Nbd2 Qc7 8. Re1 d6 9. Nf1 e5 10. Ne3 a6 11. Ba4 b5 12. Bb3 Bb7 13. a4 Na5 14. Ba2 Rad8 15. axb5 axb5 16. b4 Nc6 17. Ba3 cxb4 18. cxb4 Rfe8 19. Rc1 Qe7 20. Re2 Rd7 21. Rcc2 Ra8 22. Nd5 Qd8 23. Qc1 Nxd5 24. Bxd5 Ne7 25. Bb3 h6 26. Bb2 Rc8 27. Rxc8 Qxc8 28. Rc2 Qe8 29. Qe3 Nc6 30. Bc3 Qd8 31. h3 Qa8 32. Ra2 Qd8 33. d4 exd4 34. Nxd4 Nxd4 35. Bxd4 Bxd4 36. Qxd4 Qg5 37. Rc2 Re7 38. Bd5 Bxd5 39. Rc8+ 1-0