[Event "Mar del Plata International-29"]
[Site "Mar del Plata"]
[Date "1971.04.07"]
[Round "13"]
[White "Brond, Victor"]
[Black "Sumiacher, Carlos"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 a6 7. Qd2 b5 8. O-O-O Qa5 9. Kb1 Nbd7 10. g4 Nb6 11. c5 b4 12. cxb6 bxc3 13. Qxc3 Qxc3 14. bxc3 Nd7 15. Kc2 Rb8 16. Rb1 Rxb6 17. Rxb6 Nxb6 18. Bd3 Kd8 19. Ne2 Kc7 20. Rb1 Bd7 21. c4 Ra8 22. c5 Nc8 23. Nc3 e5 24. d5 Bf8 25. Bc4 dxc5 26. dxc6 Bxc6 27. Bxf7 Nb6 28. f4 Bd6 29. f5 Rf8 30. Be6 Be7 31. Bh6 Rd8 32. Bg7 Bd6 33. h4 Be8 34. Nd5+ Nxd5 35. Bxd5 Bc6 36. Bxc6 Kxc6 37. fxg6 hxg6 38. h5 gxh5 39. gxh5 Bf8 40. h6 1-0