[Event "Mar del Plata International-29"]
[Site "Mar del Plata"]
[Date "1971.04.06"]
[Round "12"]
[White "Panno, Oscar"]
[Black "Poch, Cesar Guillermo"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. d4 O-O 8. O-O Nc6 9. e3 e5 10. d5 Ne7 11. e4 Nc4 12. b3 Nd6 13. Ba3 a6 14. Qd3 Bd7 15. Rfd1 h6 16. Nd2 f5 17. Nc4 Nec8 18. Rac1 f4 19. Nb1 g5 20. Qc2 Be8 21. Nxd6 cxd6 22. Qc7 Bh5 23. Rd2 Qxc7 24. Rxc7 Rf7 25. Rdc2 Rxc7 26. Rxc7 Rb8 27. Nd2 Bf8 28. Nc4 Na7 29. Nxd6 Bxd6 30. Bxd6 Nb5 31. Rg7+ Kxg7 32. Bxe5+ Kf7 33. Bxb8 Nc3 34. gxf4 gxf4 35. f3 a5 36. a4 Ke7 37. Bc7 Ne2+ 38. Kf2 Nc1 39. Bxa5 Nxb3 40. Bc7 1-0