[Event "Las Piedras op"]
[Site "Las Piedras"]
[Date "1977.??.??"]
[Round "?"]
[White "Airaldi, R."]
[Black "Goicoechea, Wilson"]
[Result "0-1"]
[ECO "B88"]
[PlyCount "44"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bc4 Nf6 6. Nc3 a6 7. a4 e6 8. 0-0 Be7 9. f3 Qb6 10. Be3 Qxb2 11. Qd3 Ne5 12. Rfb1 Qxb1+ 13. Rxb1 Nxd3 14. cxd3 0-0 15. Nc2 b5 16. axb5 axb5 17. Rxb5 Ba6 18. Rb6 Bxc4 19. dxc4 Rfc8 20. Rb4 d5 21. Rb7 Rxc4 22. Bd4 Bc5 0-1

[Event "Las Piedras op"]
[Site "Las Piedras"]
[Date "1977.??.??"]
[Round "?"]
[White "Moreira, Claudio"]
[Black "Airaldi, R."]
[Result "0-1"]
[ECO "B01"]
[PlyCount "34"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. dxc6 Nxc6 5. Nf3 e5 6. Nc3 Bc5 7. d3 Bg4 8. Be2 Qc7 9. Bg5 0-0-0 10. a3 e4 11. Bxf6 exf3 12. gxf3 gxf6 13. fxg4 Qf4 14. Ne4 Bd4 15. Rb1 Rhe8 16. 0-0 Rxe4 17. dxe4 Be5 0-1

