[Event "Mercedes op"]
[Site "Mercedes"]
[Date "1975.??.??"]
[Round "1"]
[White "Lavarello, C."]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "62"]
[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. Nf3 g6 2. e3 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 Nc6 6. Nbd2 e5 7. a3 0-0 8. Qc2 Re8 9. e4 exd4 10. cxd4 Nxe4 11. 0-0 Nxd2 12. Qxd2 Bg4 13. Bb5 Bxf3 14. gxf3 Nxd4 15. Qd3 c6 16. Ba4 Qh4 17. Bd1 Be5 18. f4 Bxf4 19. Bxf4 Qxf4 20. Qg3 Ne2+ 21. Bxe2 Qxg3+ 22. hxg3 Rxe2 23. Rab1 Rae8 24. b4 Rd2 25. Rb3 Re4 26. Rc3 f5 27. Rf3 Kf7 28. Kg2 h5 29. Rc1 Kf6 30. Rcc3 g5 31. Rfe3 g4 0-1

