[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.07"]
[Round "9"]
[White "Pelaes Castillo, Oswaldo A"]
[Black "Bassan, Renzo"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "60"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. cxd5 Qxd5 4. Nf3 Nf6 5. Nc3 Qd8 6. Bg2 Bc5 7. 0-0 0-0 8. d3 Nc6 9. a3 h6 10. Be3 Bxe3 11. fxe3 Ng4 12. Qd2 Na5 13. Nd4 c5 14. b4 cxd4 15. bxa5 dxc3 16. Qxc3 Nxe3 17. Rf3 Nxg2 18. Kxg2 b6 19. Rf4 bxa5 20. Rg4 e5 21. Rh4 Bb7+ 22. Kg1 Qb6+ 23. Kf1 Qf6+ 24. Kg1 e4 25. Qe1 Rfe8 26. Rf4 Qd4+ 27. Kf1 g5 28. Rf5 exd3 29. Rd1 Rxe2 30. Qxa5 Bg2# 0-1

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.06"]
[Round "8"]
[White "Zevallos Perez, Antonio M"]
[Black "Pelaes Castillo, Oswaldo A"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "55"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Bf5 6. Nf3 e6 7. Bg5 Nbd7 8. Ne5 h6 9. Nxd7 Qxd7 10. Bxf6 gxf6 11. Be2 0-0-0 12. 0-0 Rg8 13. Bf3 e5 14. g3 dxc4 15. Rc1 Kb8 16. Nd5 Qe6 17. dxe5 fxe5 18. Bg2 e4 19. Nf4 Qe7 20. Qa4 Bd7 21. Qxc4 Qe8 22. Qc7+ Ka8 23. Rfe1 Rc8 24. Qa5 Rxc1 25. Rxc1 b6 26. Qd5+ Kb8 27. Bxe4 Bc5 28. Qb7# 1-0

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "6"]
[White "Escobar, Diego Alejandro"]
[Black "Pelaes Castillo, Oswaldo A"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "66"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Be2 g6 5. d3 Bg7 6. 0-0 0-0 7. h3 Be6 8. Bd2 Qd7 9. Ng5 h6 10. Nxe6 fxe6 11. Qc1 Kh7 12. a3 Nc6 13. Rb1 a5 14. Na2 Nd4 15. Re1 b6 16. c3 Nb3 17. Qc2 a4 18. Be3 b5 19. Nc1 Na5 20. b4 axb3 21. Qb2 c4 22. dxc4 bxc4 23. Rd1 Nxe4 24. Kf1 Bxc3 25. Qxb3 cxb3 26. Bf3 Qb5+ 27. Nd3 d5 28. Rdc1 Qxd3+ 29. Be2 Nd2+ 30. Kg1 Qxe2 31. Re1 Nf3+ 32. Kh1 Bxe1 33. Rxe1 Qxe1# 0-1

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "7"]
[White "Pelaes Castillo, Oswaldo A"]
[Black "Navarro Bustillo, Ruben D"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "69"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. d3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 e6 7. Nc3 Nge7 8. a3 0-0 9. Be3 Nd4 10. Qd2 a6 11. Bh6 Nb3 12. Qg5 Nxa1 13. Rxa1 f6 14. Qd2 b6 15. Bxg7 Kxg7 16. Ne1 Rb8 17. Nf3 Bb7 18. d4 cxd4 19. Qxd4 Nf5 20. Qd2 e5 21. g4 Nd4 22. Nxd4 exd4 23. Qxd4 Bxg2 24. Kxg2 Qc7 25. h4 Kg8 26. h5 Qc5 27. Qe4 gxh5 28. gxh5 Qxh5 29. Rh1 Qg5+ 30. Kf1 Rf7 31. Rg1 Qxg1+ 32. Kxg1 Kh8 33. Qe6 Rg8+ 34. Kf1 h6 35. Qxf7 1-0

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "4"]
[White "Dlaikan, Kevin"]
[Black "Pelaes Castillo, Oswaldo A"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "83"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Nf6 4. e5 Ng8 5. dxc5 Qa5+ 6. Nc3 Qxc5 7. Qd5 Qc7 8. Bc4 e6 9. Nb5 Qd8 10. Qd1 a6 11. Nc3 Ne7 12. 0-0 Bg7 13. Bg5 0-0 14. Qd6 Nbc6 15. Rad1 Re8 16. Ne4 Bf8 17. Nf6+ Kh8 18. Nxe8 Qxe8 19. Bf6+ Kg8 20. Qa3 Nd5 21. Qb3 Nxf6 22. exf6 Na5 23. Qc3 Nxc4 24. Qxc4 Qd8 25. Qh4 b5 26. Rd3 a5 27. Ng5 h5 28. Rg3 Bd6 29. Rd3 Qc7 30. g4 Ba6 31. Rfd1 Be5 32. Rxd7 Qb6 33. Rxf7 Qc6 34. gxh5 Bb7 35. f3 Qc5+ 36. Kh1 Bxf3+ 37. Nxf3 Kxf7 38. hxg6+ Ke8 39. Qh8+ Qf8 40. g7 Kf7 41. Nxe5+ Kxf6 42. Nd7+ 1-0

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "5"]
[White "Pelaes Castillo, Oswaldo A"]
[Black "Bohorquez Canizares, Andres"]
[Result "1/2-1/2"]
[ECO "A20"]
[PlyCount "31"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. d3 Bc5 3. Nf3 d6 4. g3 Be6 5. Bg2 a6 6. 0-0 Nd7 7. Nc3 Ngf6 8. Bd2 0-0 9. Re1 Ng4 10. h3 Bxf2+ 11. Kh1 Bxe1 12. Qxe1 Ngf6 13. g4 h6 14. Qh4 Nh7 15. Qh5 Nhf6 16. Qh4 1/2-1/2

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.03"]
[Round "3"]
[White "Pelaes Castillo, Oswaldo A"]
[Black "Cruz, Yerson Fernando"]
[Result "1-0"]
[ECO "A20"]
[PlyCount "63"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. d3 Bb4+ 5. Nd2 b6 6. Ngf3 e4 7. dxe4 Nxe4 8. 0-0 Nxd2 9. Nxd2 Qf6 10. a3 Bc5 11. Ne4 Qf5 12. b4 Bd4 13. Rb1 d5 14. cxd5 h5 15. dxc6 h4 16. Qxd4 hxg3 17. fxg3 Qh5 18. Bg5 Qxh2+ 19. Kf2 Ba6 20. Rh1 Qh5 21. Rxh5 Rxh5 22. Rd1 f6 23. Qd7+ Kf8 24. Rh1 Rxh1 25. Bxh1 fxg5 26. Nxg5 Kg8 27. Qf7+ Kh8 28. Bd5 Bb5 29. Qg6 Rf8+ 30. Kg2 Rf2+ 31. Kxf2 Bxe2 32. Qh7# 1-0

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "2"]
[White "Bravo Jaramillo, Alexander"]
[Black "Pelaes Castillo, Oswaldo A"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "103"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. Nc3 g6 7. Qd1 Bg7 8. Bd2 0-0 9. Be2 d6 10. 0-0 Be6 11. Re1 Rc8 12. Be3 a6 13. Qd2 Qc7 14. Rac1 Bg4 15. f3 Be6 16. a3 Qd7 17. Bf2 Rfd8 18. Red1 Qe8 19. Qe1 Bh6 20. Rb1 Bc4 21. Bxc4 Rxc4 22. Be3 Bxe3+ 23. Qxe3 Rc5 24. Rbc1 Rh5 25. Nd5 Nxd5 26. exd5 Re5 27. Qb3 b5 28. f4 Rf5 29. Qe3 Rb8 30. g4 Rf6 31. Re1 b4 32. Qxe7 Qxe7 33. Rxe7 Rxf4 34. h3 Rd4 35. Ra7 Rxd5 36. Rxa6 h5 37. axb4 hxg4 38. hxg4 Rxb4 39. c4 Rd4 40. Kh1 Rxb2 41. Ra8+ Kg7 42. Rf1 Rxc4 43. Ra7 Rcc2 44. Rfxf7+ Kh6 45. Rh7+ Kg5 46. Ra5+ Kxg4 47. Ra4+ Kg3 48. Ra3+ Kf2 49. Rh2+ Ke1 50. Ra1+ Rb1 51. Rxb1+ Rc1 52. Rxc1# 1-0

[Event "Pan American-ch U08"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "1"]
[White "Pelaes Castillo, Oswaldo A"]
[Black "Chong Chinchay, Eric Joel"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "61"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 g6 5. Nf3 Bg7 6. 0-0 Nge7 7. Nc3 0-0 8. Bd2 f5 9. e4 f4 10. a3 a5 11. Rc1 h6 12. h3 g5 13. a4 Qe8 14. Re1 Qh5 15. g4 Qg6 16. Nd5 h5 17. Nxc7 Rb8 18. gxh5 Qxh5 19. Nd5 Bxh3 20. Bxh3 Qxh3 21. Nxg5 Qd7 22. Qh5 Bh6 23. Qxh6 Qg4+ 24. Kf1 Rf7 25. Nf6+ Rxf6 26. Qxf6 Qh5 27. f3 Qh1+ 28. Ke2 Nd4+ 29. Kd1 Nxf3 30. Rxh1 Nxg5 31. Rh8# 1-0

