[Event "Buga School B"]
[Site "Buga"]
[Date "2010.07.24"]
[Round "3.1"]
[White "Calderon, Arlex"]
[Black "Sanahuano, Gabriel Andres"]
[Result "0-1"]
[ECO "E06"]
[BlackElo "1695"]
[PlyCount "50"]
[EventDate "2010.07.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Be7 5. Bg2 c6 6. cxd5 exd5 7. Bf4 0-0 8. 0-0 Re8 9. Nc3 Nbd7 10. Re1 Bb4 11. a3 Bxc3 12. bxc3 Ne4 13. Qd3 Nb6 14. Nd2 g5 15. Be3 Nd6 16. Nf1 Bf5 17. Qd2 Nbc4 18. Qc1 h6 19. Nd2 Nxe3 20. fxe3 Rxe3 21. Nf1 Re6 22. Ne3 Bh7 23. Bh3 f5 24. Rb1 Qe7 25. Rb2 Rxe3 0-1

[Event "Buga School B"]
[Site "Buga"]
[Date "2010.07.24"]
[Round "4.2"]
[White "Narvaez, Zamir Alexis"]
[Black "Calderon, Arlex"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2176"]
[PlyCount "41"]
[EventDate "2010.07.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Bb5 Bd7 6. d4 e6 7. Qe2 Be7 8. d5 exd5 9. Nxd5 a6 10. Ba4 b5 11. Bb3 Na5 12. Bf4 Ra7 13. Be3 Rb7 14. Bc5 Be6 15. Nxe7 Nxe7 16. Bxe6 fxe6 17. Qxe6 c6 18. 0-0 Qd7 19. Rfe1 Qxe6 20. Rxe6 Rd7 21. Rae1 1-0

[Event "Buga School B"]
[Site "Buga"]
[Date "2010.07.23"]
[Round "1.2"]
[White "Calderon, Arlex"]
[Black "Caicedo, Ronald"]
[Result "1/2-1/2"]
[ECO "A52"]
[BlackElo "1589"]
[PlyCount "24"]
[EventDate "2010.07.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bg5 Be7 6. Bxe7 Qxe7 7. Nc3 Ngxe5 8. Nxe5 Qxe5 9. g3 Nd4 10. Bg2 0-0 11. 0-0 Ne6 12. Qd5 Qxd5 1/2-1/2

[Event "Buga School B"]
[Site "Buga"]
[Date "2010.07.23"]
[Round "2.1"]
[White "Carrillo Florez, Hugo Ferney"]
[Black "Calderon, Arlex"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1611"]
[PlyCount "67"]
[EventDate "2010.07.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. e3 c6 4. Bd3 Nf6 5. a3 dxc4 6. Bxc4 c5 7. Nc3 Nc6 8. Nf3 cxd4 9. Nxd4 Ne5 10. Bb5+ Bd7 11. f4 Ng6 12. Qa4 a6 13. Bxd7+ Qxd7 14. Qxd7+ Nxd7 15. Bd2 Bc5 16. Nf3 Ne7 17. Ne4 f5 18. Neg5 h6 19. Nxe6 Kf7 20. Ned4 Bxd4 21. Nxd4 Nc5 22. Ke2 Ne4 23. Bb4 g6 24. Rac1 Nd5 25. Rhd1 Nxb4 26. axb4 Nd6 27. Nf3 Ke6 28. h3 Nb5 29. Nd4+ Nxd4+ 30. Rxd4 Rad8 31. Rcd1 Rxd4 32. Rxd4 Kf6 33. e4 fxe4 34. Rxe4 1-0

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "2.6"]
[White "Calderon, Arlex"]
[Black "Caicedo, Ronald"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1600"]
[BlackElo "1533"]
[PlyCount "20"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. g3 Bc5 6. e3 Ngxe5 7. Nxe5 Nxe5 8. b3 Qf6 9. Bg2 Nf3+ 10. Bxf3 Qxa1 0-1

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "4.7"]
[White "Calderon, Arlex"]
[Black "Mapura, Juan David"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1600"]
[BlackElo "1625"]
[PlyCount "72"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. g3 e6 6. Bg2 Nc6 7. Bg5 Be7 8. 0-0 0-0 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bxe7 Qxe7 12. Qd4 Qc5 13. e3 b6 14. Nd2 f6 15. f4 Ba6 16. Rf2 fxe5 17. fxe5 Rxf2 18. Kxf2 Rf8+ 19. Kg1 Rf5 20. Bh3 Rxe5 21. Qxc5 bxc5 22. Re1 Nf8 23. b3 d4 24. Nf3 Rxe3 25. Rxe3 dxe3 26. Ng5 e5 27. Kg2 h6 28. Be6+ Nxe6 29. Nxe6 e2 30. Kf2 c4 31. b4 c3 32. Nc5 c2 33. Nb3 Bc4 34. Nc1 e4 35. Ke1 Kf7 36. Kd2 e3+ 0-1

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "7.7"]
[White "Calderon, Arlex"]
[Black "Ossa, Juan Sebastian"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "1600"]
[BlackElo "1921"]
[PlyCount "32"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Nf3 0-0 5. Bg2 c6 6. 0-0 d5 7. cxd5 cxd5 8. Nc3 Nc6 9. Bg5 h6 10. Bxf6 Bxf6 11. e3 Bg4 12. Qb3 e6 13. Qxb7 Na5 14. Qb5 Nc4 15. b3 Bxf3 16. Bxf3 Nd2 0-1

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "1.3"]
[White "Guelgua, Alvaro"]
[Black "Calderon, Arlex"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2004"]
[BlackElo "1600"]
[PlyCount "59"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Be3 Nge7 6. f3 h6 7. g4 Bh7 8. Ng3 Qd7 9. Nc3 a6 10. a3 f5 11. g5 hxg5 12. Bxg5 g6 13. Qd2 Bg8 14. Be2 Bf7 15. b4 b5 16. a4 Nxb4 17. axb5 Qc8 18. bxa6 Nxa6 19. 0-0 Nc6 20. Bb5 Qb7 21. Rfb1 Nab8 22. Ba6 Qa7 23. Nb5 Qxa6 24. Nxc7+ Kd7 25. Nxa6 Rxa6 26. Rxa6 Nxa6 27. Rb7+ Ke8 28. Qc3 Ne7 29. Rxe7+ Bxe7 30. Qc8+ 1-0

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "3.7"]
[White "Molina, Diego1111"]
[Black "Calderon, Arlex"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1509"]
[BlackElo "1600"]
[PlyCount "69"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. Nc3 e5 4. Bb5 Bd7 5. d4 exd4 6. Nxd4 Nxd4 7. Bxd7+ Qxd7 8. Qxd4 Nf6 9. 0-0 Be7 10. Bg5 h6 11. Bh4 c5 12. Qd2 0-0 13. Rad1 Nh5 14. Bxe7 Qxe7 15. Qxd6 Qxd6 16. Rxd6 Rad8 17. Rfd1 Rb8 18. f3 b5 19. Nd5 Rb7 20. c3 a5 21. a3 Re8 22. g4 Nf6 23. Nxf6+ gxf6 24. Rxf6 Kg7 25. Rf5 Rc8 26. g5 Rc6 27. gxh6+ Kxh6 28. h4 b4 29. cxb4 axb4 30. axb4 Rxb4 31. Rd2 f6 32. h5 Rc8 33. Rxf6+ Kxh5 34. Rh2+ Kg5 35. Rf5+ 1-0

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "5.7"]
[White "Quijano, Juan Sebastian"]
[Black "Calderon, Arlex"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1600"]
[BlackElo "1600"]
[PlyCount "19"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e5 6. Bc4 Nh6 7. d3 Nd4 8. Qd1 Qd7 9. Ne2 Nxe2 10. Qxe2 1-0

