[Event "Mercedes op"]
[Site "Mercedes"]
[Date "1975.??.??"]
[Round "1"]
[White "Grinberg, Ricardo"]
[Black "Gomez Lanza, F."]
[Result "1-0"]
[ECO "B01"]
[PlyCount "73"]
[EventDate "1975.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 g6 5. Nf3 Nh6 6. d4 Bg7 7. Bf4 c6 8. Qd2 Nf5 9. Rd1 0-0 10. h3 Nd7 11. 0-0 Nb6 12. Bb3 Nd6 13. Qe2 a5 14. a4 Re8 15. Rfe1 h6 16. Be5 Nf5 17. d5 c5 18. Nb5 Bxe5 19. Qxe5 Nd7 20. Qf4 Kh7 21. Nc7 Ra7 22. Nxe8 Qxe8 23. g4 Ng7 24. d6 e6 25. Ne5 Nxe5 26. Rxe5 b6 27. Bd5 Bb7 28. Bxb7 Rxb7 29. b3 Qd8 30. Re2 Rd7 31. Red2 Ne8 32. Qe5 Qh4 33. Kg2 Nf6 34. c4 h5 35. f3 hxg4 36. hxg4 Rd8 37. Rh1 1-0

