[Event "Pan American-ch U18"]
[Site "Guaymallen"]
[Date "2001.06.05"]
[Round "8"]
[White "Briones, Enrique"]
[Black "Oropesa, Orlando"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2082"]
[PlyCount "35"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Bxf3 8. Qxf3 Qd6 9. Be3 Nf6 10. Nd2 0-0-0 11. Qf5+ Nd7 12. Qxf7 Qb4 13. Bg5 Nf6 14. Nc4 Rd7 15. Qe6 Bd6 16. c3 Qc5 17. Be3 Qb5 18. a4 1-0

[Event "Pan American-ch U18"]
[Site "Guaymallen"]
[Date "2001.06.04"]
[Round "7"]
[White "Oropesa, Orlando"]
[Black "Naselli, Alejandro"]
[Result "0-1"]
[ECO "C16"]
[PlyCount "66"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 b6 5. Bd3 Ba6 6. a3 Bf8 7. Bxa6 Nxa6 8. Qd3 Nb8 9. Nf3 Ne7 10. 0-0 Nf5 11. Ne2 Be7 12. c3 0-0 13. Nf4 c5 14. Rd1 Nc6 15. Be3 Na5 16. Nd2 Qd7 17. b4 Nb7 18. Qe2 Rac8 19. Rac1 Rfd8 20. Qg4 Qa4 21. Nh5 Kh8 22. Bg5 Bxg5 23. Qxg5 h6 24. Qf4 cxd4 25. g4 dxc3 26. Nf3 Rc4 27. Nd4 c2 28. Rd2 Rxd4 29. Rxd4 Nxd4 30. Qxd4 Rc8 31. Qf4 Qxa3 32. Kh1 Rc4 33. Qe3 Qxe3 0-1

[Event "Pan American-ch U18"]
[Site "Guaymallen"]
[Date "2001.06.03"]
[Round "6"]
[White "Segura, Javier"]
[Black "Oropesa, Orlando"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2200"]
[PlyCount "51"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. Qe2 d6 6. Bb3 0-0 7. d3 h6 8. h3 Re8 9. Nbd2 a5 10. Bc2 Be6 11. g4 Nxg4 12. hxg4 Bxg4 13. Rg1 h5 14. Nf1 f5 15. N1h2 Qd7 16. Be3 a4 17. exf5 Nd4 18. cxd4 exd4 19. 0-0-0 dxe3 20. d4 exf2 21. Qxf2 Bb6 22. Nxg4 hxg4 23. Rxg4 Qf7 24. Kb1 a3 25. Bb3 d5 26. Ng5 1-0

[Event "Pan American-ch U18"]
[Site "Guaymallen"]
[Date "2001.06.01"]
[Round "4"]
[White "Lopez Silva, Hugo Andres"]
[Black "Oropesa, Orlando"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2213"]
[PlyCount "35"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Nxd4 6. Nxe5 0-0 7. Be3 Ne6 8. Bxe6 Bxe3 9. Bxf7+ Kh8 10. fxe3 Qe7 11. Ng6+ hxg6 12. Bxg6 d5 13. Nc3 dxe4 14. Nd5 Qe5 15. Nxf6 gxf6 16. Rf5 Qe7 17. Rh5+ Kg8 18. Qd5+ 1-0

[Event "Pan American-ch U18"]
[Site "Guaymallen"]
[Date "2001.05.31"]
[Round "3"]
[White "Oropesa, Orlando"]
[Black "Pacheco, Marco"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "2200"]
[PlyCount "120"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Bc4 0-0 6. 0-0 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 Nd7 10. Re1 Nf6 11. Bd3 b6 12. Qe2 Bb7 13. c3 e6 14. Ne5 Nd7 15. Nxd7 Qxd7 16. Bf4 Rac8 17. Rad1 Qd5 18. f3 Qd7 19. Be4 Bd5 20. Bb1 Rfd8 21. Bg5 Re8 22. c4 Bb7 23. Be3 Rcd8 24. Be4 Bxe4 25. fxe4 Qe7 26. Qf2 Rd7 27. a3 Red8 28. Rd3 Qf8 29. b4 Bh6 30. Red1 Bxe3 31. Qxe3 c6 32. Qd2 Qe7 33. a4 Rd6 34. c5 bxc5 35. bxc5 R6d7 36. Rb1 e5 37. d5 Qxc5+ 38. Kh1 cxd5 39. Rc1 dxe4 40. Rxd7 Rxd7 41. Rxc5 Rxd2 42. Kg1 Ra2 43. a5 f6 44. Rc8+ Kf7 45. Rc7+ Ke6 46. Rxa7 h5 47. a6 h4 48. Ra8 Kf5 49. a7 Kg5 50. h3 f5 51. Kf1 Kf4 52. Rg8 Rxa7 53. Rxg6 Ke3 54. Kg1 Ra1+ 55. Kh2 Kf2 56. Rg5 f4 57. Rxe5 e3 58. Re4 e2 59. Rxf4+ Ke3 60. Rf3+ Ke4 0-1

[Event "Pan American-ch U18"]
[Site "Guaymallen"]
[Date "2001.05.30"]
[Round "2"]
[White "Oropesa, Orlando"]
[Black "Bayona, Miguel"]
[Result "1-0"]
[ECO "D01"]
[PlyCount "23"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 c5 5. e3 e6 6. e4 dxe4 7. fxe4 cxd4 8. exf5 dxc3 9. Qxd8+ Kxd8 10. 0-0-0+ Nbd7 11. Bb5 Be7 12. Bxf6 1-0

