[Event "Santiago op"]
[Site "Santiago de Chile"]
[Date "1999.??.??"]
[Round "1"]
[White "Opalka, Joachim"]
[Black "Donoso, Julio"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2240"]
[PlyCount "37"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 e6 3. Nf3 Nf6 4. Nc3 a6 5. Bg5 Be7 6. Bd3 Nbd7 7. e5 Nd5 8. Bxe7 Qxe7 9. 0-0 0-0 10. Re1 dxe5 11. Nxe5 Nxe5 12. Rxe5 Qd6 13. Qh5 g6 14. Qh6 c6 15. Rh5 Qxh2+ 16. Rxh2 Rd8 17. Bxg6 fxg6 18. Qxh7+ Kf8 19. Qh8+ 1-0

[Event "Santiago Esucomex op"]
[Site "Santiago de Chile"]
[Date "1998.??.??"]
[Round "7"]
[White "Bartucevic Sanchez, Diego"]
[Black "Donoso, Julio"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "51"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nc6 4. d5 Nb8 5. Bd3 Be7 6. c4 c6 7. Nc3 Bg4 8. Be3 Nf6 9. h3 Bd7 10. Qd2 h6 11. a3 b6 12. 0-0 Nh7 13. Rad1 Ng5 14. Nh2 Na6 15. b4 Bxh3 16. gxh3 Nxh3+ 17. Kg2 Nf4+ 18. Bxf4 exf4 19. dxc6 Bg5 20. Qe2 0-0 21. c5 Nc7 22. e5 Re8 23. cxd6 Ne6 24. c7 Nd4 25. Qe4 Qd7 26. Qh7+ 1-0

[Event "Santiago Esucomex op"]
[Site "Santiago de Chile"]
[Date "1998.??.??"]
[Round "6"]
[White "Donoso, Julio"]
[Black "Martinez Guajardo, Eric"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "62"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. d4 Ngf6 7. 0-0 e6 8. c3 Bd6 9. h3 0-0 10. Bg5 Qb6 11. b3 Ne4 12. Be3 Rac8 13. Qd3 Ndf6 14. Nfd2 Qc6 15. Nxe4 Nxe4 16. Rc1 b5 17. a4 a6 18. g4 Rc7 19. f3 Nf6 20. axb5 axb5 21. Na3 Rb8 22. c4 dxc4 23. bxc4 Qxf3 24. Ra2 Qxh3 25. Rcc2 Nxg4 26. Nxb5 Bf4 27. Qxh7+ Kxh7 28. Bxf4 Rxb5 29. cxb5 Rxc2 30. Rxc2 Qf3 31. Rb2 Qxf4 0-1

