[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.12"]
[Round "8"]
[White "Sumar, Julio"]
[Black "Lorinczi, Pedro"]
[Result "1-0"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. d4 cxd4 7. Nxd4 Nc6 8. Nc3 a6 9. Nc2 d6 10. e4 Bd7 11. f3 Ne5 12. Qe2 Rc8 13. Na3 Qa5 14. Bd2 Qb6+ 15. Be3 Qb4 16. Nd5 Nxd5 17. cxd5 Nc4 18. Nxc4 Rxc4 19. Rf2 Rfc8 20. Bf1 Rc2 21. Qxc2 Rxc2 22. Rxc2 Bd4 23. Bxd4 Qxd4+ 24. Kh1 Qe3 25. Bg2 Kg7 26. Rc7 Bb5 27. Rxb7 Kf6 28. Rc7 Qd2 29. b3 Qb2 30. Rcc1 Qf2 31. a4 Bd7 32. Rc7 Qb2 33. Rg1 Qxb3 34. Rxd7 Qxa4 35. Ra7 a5 36. f4 Qa2 37. e5+ dxe5 38. fxe5+ Kxe5 39. Rxe7+ Kf6 40. d6 1-0