[Event "ARG-ch U10 sf1"]
[Site "Esperanza"]
[Date "2004.02.19"]
[Round "4"]
[White "Onocko, Pablo"]
[Black "Ostanello, Leonardo"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "15"]
[EventDate "2004.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nd6 6. exd6 Bxd6 7. Ng5 Nb4 8. Qxf7# 1-0

[Event "ARG-ch U10 sf1"]
[Site "Esperanza"]
[Date "2004.02.19"]
[Round "5"]
[White "Ostanello, Leonardo"]
[Black "Rittiner, Alexis"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "30"]
[EventDate "2004.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. e5 Nc6 3. Nf3 Bg4 4. Bb5 Bxf3 5. gxf3 a6 6. Bxc6+ bxc6 7. 0-0 e6 8. d4 Qh4 9. Nc3 f6 10. exf6 Nxf6 11. Qe1 Bd6 12. f4 Ng4 13. Qxe6+ Be7 14. Re1 Qxf2+ 15. Kh1 Qxh2# 0-1

[Event "ARG-ch U10 sf1"]
[Site "Esperanza"]
[Date "2004.02.18"]
[Round "3"]
[White "Jurado, Lucas"]
[Black "Ostanello, Leonardo"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "15"]
[EventDate "2004.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bb4 5. 0-0 Bxc3 6. dxc3 Nxe4 7. Qd5 Nf6 8. Qxf7# 1-0

[Event "ARG-ch U10 sf1"]
[Site "Esperanza"]
[Date "2004.02.17"]
[Round "1"]
[White "Ostanello, Leonardo"]
[Black "Cejas, Franco"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "79"]
[EventDate "2004.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Bb5 a6 3. Bc4 Nc6 4. Nf3 e5 5. Bd5 Qc7 6. Bxc6 Qxc6 7. Nxe5 Qxe4+ 8. Qe2 Qxe2+ 9. Kxe2 Nf6 10. d3 Bd6 11. Nc4 Be7 12. Nb6 Rb8 13. Bf4 d6 14. Nc3 Be6 15. Bg5 0-0 16. Bxf6 Bxf6 17. Ncd5 Bxb2 18. Rab1 Be5 19. Ke3 Bd4+ 20. Ke4 Bxd5+ 21. Kxd5 Rfe8 22. Nd7 Rbd8 23. Kxd6 Re6+ 24. Kc7 Rde8 25. Kxb7 R8e7 26. Kc7 Be5+ 27. Kc8 Re8+ 28. Kb7 Rd8 29. Nxe5 f6 30. Nc6 Rd7+ 31. Kb6 Rdd6 32. Rhe1 Rxc6+ 33. Ka5 Red6 34. Re8+ Kf7 35. Rbe1 Rd7 36. R8e7+ Rxe7 37. Rxe7+ Kxe7 38. Ka4 Rb6 39. Ka3 Kd6 40. Ka4 0-1

[Event "ARG-ch U10 sf1"]
[Site "Esperanza"]
[Date "2004.02.17"]
[Round "2"]
[White "Ostanello, Leonardo"]
[Black "Lafuente, David"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "82"]
[EventDate "2004.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. Nxe5 Nf6 6. Nc3 Bb4 7. d3 Bxc3+ 8. bxc3 0-0 9. 0-0 d6 10. Nxc6 Qd7 11. Nb4 c6 12. Bg5 a5 13. Bxf6 gxf6 14. d4 axb4 15. cxb4 Ba6 16. Re1 Rfe8 17. e5 fxe5 18. dxe5 Rxe5 19. Rxe5 dxe5 20. Rb1 Qxd1+ 21. Rxd1 Be2 22. Rd2 Bc4 23. a4 Rb8 24. c3 Bb3 25. a5 Rb5 26. a6 Rb8 27. a7 Ra8 28. Rd7 Bd5 29. b5 cxb5 30. Rxd5 Rxa7 31. Rd8+ Kg7 32. h4 Rc7 33. Rd3 e4 34. Re3 f6 35. Rxe4 Rxc3 36. Rg4+ Kf8 37. Rf4 Kg7 38. Rf5 Rc1+ 39. Kh2 Rb1 40. h5 h6 41. f4 b4 1/2-1/2

