[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "8"]
[White "Lopez, Rafael David"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "B83"]
[BlackElo "1791"]
[PlyCount "108"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 d6 6. Be2 Nf6 7. Nxc6 bxc6 8. 0-0 Be7 9. Bf3 Qc7 10. Bf4 e5 11. Bg5 h6 12. Bh4 0-0 13. Qe2 a5 14. Rfd1 Ba6 15. Qd2 Rfd8 16. Bg3 Rab8 17. Rab1 Nh7 18. Be2 Bg5 19. Qe1 Bc8 20. Bc4 Bg4 21. Rd3 Kh8 22. f3 Bh5 23. b3 Bg6 24. Rbd1 f5 25. h4 Be7 26. R3d2 f4 27. Bf2 Bh5 28. Na4 g5 29. Be6 Nf8 30. Bf5 Ng6 31. hxg5 Bxg5 32. c4 c5 33. Nc3 Qg7 34. Rxd6 Rxd6 35. Rxd6 Be7 36. Rd3 Rg8 37. Bh3 Nf8 38. Bh4 Nh7 39. Nd5 Ng5 40. Bxg5 Bxg5 41. Qf2 Qf8 42. Nc7 Be7 43. Rd7 Rg3 44. Ne6 Qe8 45. Rd3 Qg8 46. Bf5 Bh4 47. Rd7 Bxf3 48. Rh7+ Qxh7 49. Bxh7 Rxg2+ 50. Qxg2 Bxg2 51. Kxg2 Kxh7 52. Nxc5 Kg6 53. Nb7 h5 54. Nxa5 Be1 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "5"]
[White "Perez Esparza, Juan Carlos"]
[Black "Ramirez Tarazona, Eduardo Antoni"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1791"]
[PlyCount "70"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. g3 e6 4. Bg2 d5 5. d4 Nbd7 6. c5 b6 7. b4 b5 8. a4 Qc7 9. axb5 cxb5 10. Nc3 a6 11. Nxb5 Qb8 12. Qa4 Be7 13. Bf4 e5 14. dxe5 Nh5 15. e6 Nxf4 16. gxf4 fxe6 17. Bh3 0-0 18. Bxe6+ Kh8 19. Bxd5 Rxf4 20. Bxa8 Nxc5 21. Qa2 Nd3+ 22. exd3 Qxa8 23. Qe2 Bxb4+ 24. Kd1 Bg4 25. Nbd4 Rxd4 26. Rxa6 Qf8 27. Nxd4 Bxe2+ 28. Nxe2 h6 29. f4 Qd8 30. d4 Qc7 31. Ra2 Qc4 32. Rc2 Qd3+ 33. Kc1 Ba3+ 34. Kb1 Qb3+ 35. Ka1 Qxc2 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Valle, Efrain"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2218"]
[BlackElo "1791"]
[PlyCount "73"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 e6 4. Be2 Nc6 5. 0-0 d6 6. d4 cxd4 7. Nxd4 Be7 8. Be3 0-0 9. f4 Nxd4 10. Bxd4 a6 11. Qe1 b5 12. Bf3 Ne8 13. Rd1 Bb7 14. e5 d5 15. a4 b4 16. Ne2 a5 17. Ng3 Bh4 18. Bc5 g5 19. Bxf8 Kxf8 20. fxg5 Qxg5 21. Rd2 Rc8 22. Bh5 Rc7 23. Rdf2 Ba6 24. Rxf7+ Rxf7 25. Rxf7+ Kg8 26. Ra7 Qxh5 27. Rxa6 Qg6 28. Ra8 h6 29. Qf2 Be7 30. Ne2 b3 31. c3 Kh7 32. Ra7 Qg7 33. Nd4 Kh8 34. Nxe6 Qh7 35. h3 h5 36. Nf8 Qb1+ 37. Kh2 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "3"]
[White "Perez Esparza, Juan Carlos"]
[Black "Peinado, Edwin Halley"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "1791"]
[BlackElo "2121"]
[PlyCount "88"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c5 5. d4 Nc6 6. cxd5 Nxd5 7. 0-0 Be7 8. Nc3 Nxc3 9. bxc3 0-0 10. e4 b6 11. d5 Na5 12. Bf4 exd5 13. exd5 Bd6 14. Ne5 Ba6 15. Re1 Qc7 16. Qg4 Rae8 17. Nd7 Rxe1+ 18. Rxe1 f5 19. Bxd6 Qxd6 20. Qa4 Rd8 21. Ne5 Bb7 22. Qf4 Qf6 23. Rd1 Rd6 24. h3 g6 25. g4 fxg4 26. Qxf6 Rxf6 27. hxg4 Rd6 28. Kh2 Ba6 29. Kg3 Bc4 30. Nxc4 Nxc4 31. Re1 Kf7 32. Re2 b5 33. f4 Nb6 34. Rd2 a5 35. f5 gxf5 36. gxf5 Kf6 37. Kf4 b4 38. cxb4 axb4 39. Be4 h5 40. Rd3 c4 41. Rh3 Nxd5+ 42. Kf3 Ke5 43. Rxh5 Nf6 44. Rh4 Rd4 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.13"]
[Round "7"]
[White "Perez Esparza, Juan Carlos"]
[Black "Salamanca, Juan David"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1823"]
[BlackElo "1557"]
[PlyCount "75"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. d4 c5 7. cxd5 Nxd5 8. e4 Nb6 9. Bf4 Nc6 10. dxc5 Bxc5 11. Nc3 a6 12. a3 Qe7 13. b4 Re8 14. Qb3 Nd4 15. Nxd4 Bxd4 16. e5 g5 17. Be3 Bxe5 18. Bxb6 Rd8 19. Rac1 Qf6 20. Rfd1 Rxd1+ 21. Rxd1 Bxc3 22. Rd8+ Kg7 23. Qxc3 Qxc3 24. Bd4+ Qxd4 25. Rxd4 Rb8 26. Rd8 b6 27. Kf1 a5 28. b5 e5 29. Ke1 Kf6 30. Kd2 Ke7 31. Rh8 Kd6 32. Rf8 Ke7 33. Rg8 g4 34. Ke3 Kd6 35. Bc6 Kc7 36. f4 exf4+ 37. Kxf4 Be6 38. Rg7 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "6"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2011"]
[BlackElo "1823"]
[PlyCount "68"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 b5 2. e4 Bb7 3. f3 a6 4. a4 c6 5. c4 bxc4 6. Bxc4 e6 7. Ne2 d5 8. exd5 cxd5 9. Bd3 Qh4+ 10. g3 Qd8 11. Qb3 Bc6 12. 0-0 Nf6 13. Nbc3 Bd6 14. Bg5 Nbd7 15. Rae1 h6 16. Bf4 Qe7 17. Qc2 0-0 18. Qd2 Bb4 19. Bc2 Rfc8 20. Qd3 e5 21. dxe5 Nxe5 22. Bxe5 Qxe5 23. Nf4 Bc5+ 24. Kh1 Qd4 25. Nh5 Qxd3 26. Nxf6+ gxf6 27. Bxd3 Rcb8 28. Re2 Rb4 29. Rc2 Rb3 30. Rd1 Bb4 31. Ne2 Bxa4 32. Nd4 Rxd3 33. Rxd3 Bxc2 34. Nxc2 Re8 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "5"]
[White "Perez Esparza, Juan Carlos"]
[Black "Guzman Lozano, Campo Elias"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1823"]
[BlackElo "2060"]
[PlyCount "83"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. c4 g6 4. Bg2 Bg7 5. Nc3 d6 6. 0-0 e5 7. d3 Nge7 8. Bg5 h6 9. Bd2 0-0 10. a3 a6 11. Rb1 Rb8 12. b4 cxb4 13. axb4 b5 14. cxb5 axb5 15. Qc1 Kh7 16. Nd1 Be6 17. Re1 Qd7 18. Ne3 Rfc8 19. Qd1 Ra8 20. Nf1 Ra4 21. e4 d5 22. h4 d4 23. N3h2 Rca8 24. f4 f5 25. h5 gxh5 26. Qxh5 Rf8 27. exf5 Bxf5 28. Be4 Nd5 29. fxe5 Nxe5 30. g4 Bxe4 31. Rxe4 Nc3 32. Bxc3 dxc3 33. Rxe5 Qd4+ 34. Re3 c2 35. Rbe1 Rxb4 36. Kh1 Rb1 37. Nf3 Rxf3 38. Rxf3 Rxe1 39. Qf5+ Kg8 40. Qc8+ Kh7 41. Qf5+ Kg8 42. Qc8+ 1/2-1/2

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "4"]
[White "Ariza de la Hoz, Jose Tobias"]
[Black "Perez Esparza, Juan Carlos"]
[Result "0-1"]
[ECO "B20"]
[BlackElo "1823"]
[PlyCount "56"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d5 4. exd5 Qxd5 5. Nf3 Bg4 6. Be2 f6 7. 0-0 e5 8. d3 Be7 9. Nc3 Qd7 10. h3 Be6 11. Nh2 Nd4 12. f4 exf4 13. Rxf4 Bd6 14. Re4 f5 15. Rh4 0-0-0 16. Nf3 Bg3 17. Rxd4 cxd4 18. Na4 Nf6 19. Nxd4 Bd6 20. c4 Be5 21. Nxe6 Qxe6 22. Bf3 Bxb2 23. Nxb2 Qe3+ 24. Kh1 Rhe8 25. Qe2 g5 26. Rf1 g4 27. hxg4 fxg4 28. Bxb7+ Kxb7 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "3"]
[White "Perez Esparza, Juan Carlos"]
[Black "Becerra, Juan David"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1823"]
[BlackElo "2224"]
[PlyCount "86"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c6 5. d4 Bd6 6. c5 Bc7 7. b4 a5 8. Bd2 Ne4 9. 0-0 Nd7 10. bxa5 e5 11. e3 Nxd2 12. Nbxd2 e4 13. Ne1 Nf6 14. f3 exf3 15. Nexf3 0-0 16. Qc2 Re8 17. Rae1 Bg4 18. Nh4 Bxa5 19. h3 Bh5 20. Bf3 Bxf3 21. Rxf3 Ne4 22. Nxe4 dxe4 23. Rff1 Bxe1 24. Rxe1 g6 25. Re2 Ra3 26. Ng2 Qa5 27. Rf2 Qb4 28. Kh2 f5 29. Qb2 Qxb2 30. Rxb2 Rea8 31. Rxb7 Rxa2 32. g4 Rf2 33. Kg3 Raa2 34. Nf4 g5 35. Rb8+ Kf7 36. Rb7+ Ke8 37. gxf5 gxf4+ 38. exf4 Rf3+ 39. Kg4 Rg2+ 40. Kh4 Rxf4+ 41. Kh5 Rxf5+ 42. Kh6 Rg6+ 43. Kxh7 Rf7+ 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "2"]
[White "Dominguez Rincon, Miller Duvan"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2043"]
[BlackElo "1823"]
[PlyCount "72"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. dxc5 Qxd1+ 7. Kxd1 e5 8. Be3 Nbd7 9. b4 0-0-0 10. Kc2 Nd5 11. Nbd2 h6 12. Nc4 Nxe3+ 13. fxe3 f6 14. e4 Nb8 15. Ne3 Be6 16. Bc4 Bxc4 17. Nxc4 Be7 18. Ne3 g6 19. Nd5 Rh7 20. Nh4 Rg8 21. Rhf1 Nd7 22. Kd3 Bd8 23. g3 f5 24. Ng2 Rf7 25. Nge3 Rgf8 26. Nc4 Bc7 27. exf5 gxf5 28. Nd6+ Bxd6 29. cxd6 f4 30. gxf4 exf4 31. Ne7+ Kb8 32. Ng6 Rg8 33. Rxf4 Rxf4 34. Nxf4 b5 35. a4 bxa4 36. Rxa4 Rg4 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "1"]
[White "Perez Esparza, Juan Carlos"]
[Black "Toro, Luis Enrique"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1823"]
[PlyCount "42"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 Ne7 3. c4 c6 4. Nc3 d6 5. Bg5 h6 6. Bh4 Qd7 7. Bd3 Na6 8. Nf3 Nc7 9. 0-0 b6 10. b4 Bb7 11. a4 f6 12. a5 g5 13. Bg3 h5 14. h3 Bg7 15. axb6 axb6 16. Rxa8+ Bxa8 17. e5 Nc8 18. Bg6+ Kd8 19. exf6 Bxf6 20. Be4 Ne8 21. Nxg5 Bxg5 1-0

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.08"]
[Round "9"]
[White "Martinez Baquero, Hugo Esteban"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1940"]
[PlyCount "57"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 c5 2. c4 cxd4 3. Nf3 e5 4. Bd2 Nc6 5. Qc2 d5 6. e3 g6 7. cxd5 dxe3 8. fxe3 Qxd5 9. Bc4 Qc5 10. 0-0 Bf5 11. Qb3 0-0-0 12. Rc1 Kb8 13. Bxf7 Na5 14. Qa4 Qe7 15. Qxa5 b6 16. Qxe5+ Qxe5 17. Nxe5 Kb7 18. Bc3 Bc5 19. Nc4 Nh6 20. Bxh8 Nxf7 21. Bd4 Bxd4 22. exd4 Rxd4 23. Nba3 Rg4 24. Re1 Ng5 25. Nd6+ Ka6 26. Nxf5 Nf3+ 27. Kh1 Nxe1 28. Ne3 Rg5 29. Rxe1 1-0

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.08"]
[Round "8"]
[White "Valencia, Dario"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1972"]
[PlyCount "74"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 b5 2. Nf3 Bb7 3. Bf4 Nf6 4. h3 e6 5. e3 a6 6. Bd3 c5 7. c3 d5 8. dxc5 Bxc5 9. Nbd2 Ne4 10. Nb3 Be7 11. Ne5 Nd7 12. Nxd7 Qxd7 13. Bxe4 dxe4 14. Qxd7+ Kxd7 15. Rd1+ Bd5 16. 0-0 g5 17. Bh2 h5 18. f3 f5 19. Nd4 Raf8 20. Be5 Rhg8 21. b3 Ke8 22. fxe4 fxe4 23. Rxf8+ Rxf8 24. Rc1 Bc5 25. c4 bxc4 26. bxc4 Bb7 27. Rb1 Rf7 28. Kh1 Bc8 29. Kg1 g4 30. hxg4 hxg4 31. Rb2 Ba3 32. Rb3 Bc1 33. Ne2 Bd2 34. Bd4 Be1 35. Nf4 g3 36. Kf1 Bf2 37. Ke2 Rf5 1/2-1/2

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.07"]
[Round "7"]
[White "Perez Esparza, Juan Carlos"]
[Black "Pinilla, Diego Alexander"]
[Result "1-0"]
[ECO "A13"]
[BlackElo "1717"]
[PlyCount "55"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 d5 3. c4 c6 4. Bg2 Nf6 5. 0-0 Bd6 6. d3 0-0 7. a3 a5 8. b3 Nbd7 9. Bb2 b6 10. Nbd2 e5 11. cxd5 cxd5 12. Rc1 Bb7 13. Nh4 Nc5 14. Nf5 Ne6 15. Nf3 d4 16. e3 Bb8 17. exd4 exd4 18. N5xd4 Nxd4 19. Bxd4 Ra7 20. Bb2 Ba6 21. Qd2 Qxd3 22. Qg5 h6 23. Qh4 Qxb3 24. Bxf6 Bxf1 25. Qg4 g6 26. Qh4 Qe6 27. Nd4 Qd6 28. Rc6 1-0

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.06"]
[Round "5"]
[White "Perez Esparza, Juan Carlos"]
[Black "Corredor, Jose"]
[Result "1/2-1/2"]
[ECO "E01"]
[BlackElo "1790"]
[PlyCount "143"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. d4 Bd6 6. 0-0 Nbd7 7. c5 Bc7 8. b4 a6 9. Re1 0-0 10. Nc3 Re8 11. e4 dxe4 12. Ng5 e5 13. Ncxe4 Nxe4 14. Nxe4 exd4 15. Bg5 f6 16. Qb3+ Kh8 17. Bd2 Ne5 18. f4 Be6 19. Qd1 Nc4 20. Bc1 Qd7 21. Bf1 Rad8 22. Bd3 Bg4 23. Qc2 Ne3 24. Qf2 Qd5 25. Nd2 Bf5 26. Bxf5 Qxf5 27. Nb3 Qd3 28. Bxe3 dxe3 29. Qe2 Qd5 30. Rab1 Qe4 31. Qg2 h5 32. Rb2 Qxg2+ 33. Kxg2 g5 34. fxg5 fxg5 35. a4 g4 36. Ree2 Rd3 37. Na1 Red8 38. Nc2 Re8 39. Ne1 Rd1 40. Ra2 Re4 41. Nc2 Rd3 42. Ne1 Rc3 43. Rab2 Be5 44. Nc2 Rd3 45. Ra2 Bd4 46. h3 Kg7 47. Nxd4 Rexd4 48. hxg4 hxg4 49. Rab2 Kf6 50. Kf1 Rc3 51. b5 Ke5 52. bxc6 bxc6 53. Rb8 Ke4 54. Re8+ Kd3 55. R8xe3+ Kc4 56. Rxc3+ Kxc3 57. Re6 Rd5 58. Rg6 Rxc5 59. Rxg4 Rc4 60. Rg6 c5 61. Rxa6 Rb4 62. Ra7 c4 63. a5 Ra4 64. g4 Kb2 65. Rb7+ Kc2 66. Kf2 Rxa5 67. Kf3 c3 68. Rc7 Kb2 69. Kf4 Ra3 70. g5 c2 71. Rxc2+ Kxc2 72. Kf5 1/2-1/2

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "3"]
[White "Perez Esparza, Juan Carlos"]
[Black "Casas Cobos, Julio Eduardo"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1999"]
[PlyCount "53"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 e5 3. Bg2 f5 4. c4 Nf6 5. Nc3 Nc6 6. d3 Be7 7. Nd5 0-0 8. Nxe7+ Qxe7 9. Bg5 h6 10. Be3 Be6 11. h3 Rae8 12. Nh4 Qf7 13. Bxc6 bxc6 14. Bxa7 f4 15. gxf4 exf4 16. Bd4 Qh5 17. Nf3 Bxc4 18. dxc4 Qxf3 19. Rg1 Rxe2+ 20. Qxe2 Re8 21. Be3 Qxh3 22. 0-0-0 fxe3 23. fxe3 Rxe3 24. Qg2 Qd7 25. Rdf1 Re6 26. Qg6 Ne4 27. Qf5 0-1

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "4"]
[White "Velasco, Luz Mariela"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1845"]
[PlyCount "84"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nc6 2. d5 Ne5 3. Bf4 Ng6 4. Bg3 Nf6 5. Nc3 e6 6. e4 Bb4 7. Bd3 exd5 8. e5 d4 9. Bxg6 dxc3 10. Bxf7+ Kxf7 11. b3 Re8 12. Ne2 Nh5 13. Qd5+ Kf8 14. 0-0 Be7 15. Qc4 b5 16. Qxb5 c6 17. Qc4 Nxg3 18. Nxg3 d5 19. exd6 Bf6 20. Rad1 Be6 21. Qxc6 Qd7 22. Qc5 Rac8 23. Qh5 Kg8 24. h3 g6 25. Qf3 Bg7 26. Rd3 a5 27. Rfd1 Rf8 28. Qe3 Bf5 29. Nxf5 Rxf5 30. Qe7 Rf7 31. Qe4 Rcf8 32. Qd5 Kh8 33. f3 Rf5 34. Qe4 Re8 35. Qg4 Re2 36. a4 h5 37. Qxg6 Qa7+ 38. Kh1 Qf2 39. d7 Re1+ 40. Rxe1 Qxe1+ 41. Kh2 Be5+ 42. g3 Qf2+ 1/2-1/2

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.04"]
[Round "2"]
[White "Cespedes Galindo, Estefania"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1830"]
[PlyCount "36"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. e3 Nf6 4. Nc3 a5 5. dxe5 Nxe5 6. Nf3 Ng6 7. Bd3 Bb4 8. Qc2 d6 9. 0-0 Bg4 10. Nd4 Ne5 11. Bf5 g6 12. Bxg4 Nexg4 13. Bd2 h5 14. a3 Bc5 15. b4 axb4 16. axb4 Rxa1 17. Rxa1 Bxd4 18. exd4 Kd7 1/2-1/2

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.04"]
[Round "1"]
[White "Perez Esparza, Juan Carlos"]
[Black "Toro, Jessika Lorena"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "71"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bd6 5. d4 dxc4 6. Qa4+ Bd7 7. Qxc4 Nc6 8. 0-0 0-0 9. a3 Qe7 10. Nc3 h6 11. Nb5 a6 12. Nxd6 cxd6 13. Qd3 Rad8 14. e4 e5 15. d5 Nb8 16. Re1 b5 17. b4 Bg4 18. h3 Bh5 19. Nh4 Bg6 20. Nf5 Bxf5 21. exf5 Rc8 22. Bb2 Nh5 23. f4 f6 24. Kh2 Qc7 25. Rac1 Qb6 26. Qf3 g6 27. Qg4 Ng7 28. Qxg6 Rxc1 29. Rxc1 h5 30. fxe5 dxe5 31. Bxe5 Nd7 32. Bf4 Rf7 33. Rc8+ Nf8 34. Bh6 Qb7 35. Re8 Qd7 36. Ra8 1-0

[Event "Bogota Region-ch Amateur"]
[Site "Bogota"]
[Date "2012.03.04"]
[Round "5.6"]
[White "Aguilar, Hernando"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "1867"]
[BlackElo "1754"]
[PlyCount "41"]
[EventDate "2012.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 e6 4. e5 Nd5 5. Nxd5 exd5 6. d4 Nc6 7. Be2 cxd4 8. Nxd4 Nxe5 9. 0-0 Bd6 10. Nf5 Qf6 11. Qxd5 Bb8 12. Qc5 Kd8 13. Ng3 d6 14. Qa5+ Bc7 15. Qc3 Be6 16. Ne4 Qe7 17. Rd1 Ke8 18. Bf4 f6 19. Rd2 Kd8 20. Rad1 Ke8 21. Nxd6+ 1-0

[Event "Bogota Region-ch Amateur"]
[Site "Bogota"]
[Date "2012.03.04"]
[Round "7.10"]
[White "Perez Esparza, Juan Carlos"]
[Black "Prado Segura, Robinson Alexander"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1754"]
[BlackElo "1829"]
[PlyCount "72"]
[EventDate "2012.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. Nc3 e5 8. d5 Ne7 9. e4 Ne8 10. b4 h6 11. c5 f5 12. Bb2 g5 13. h4 Ng6 14. hxg5 hxg5 15. c6 f4 16. Nh2 Nf6 17. a4 a6 18. a5 Kf7 19. b5 Rh8 20. cxb7 Bxb7 21. Ra3 Qd7 22. b6 cxb6 23. axb6 g4 24. Na4 f3 25. Bh1 Nxe4 26. Qc2 Ng5 27. Rc1 Qb5 28. Qf5+ Bf6 29. Rc7+ Ne7 30. Bxf3 gxf3 31. Rxf3 Nxf3+ 32. Nxf3 Qxd5 33. Ng5+ Ke8 34. Qd7+ Kf8 35. Ne6+ Kg8 36. f3 Rh1+ 0-1

[Event "Bogota Region-ch Amateur"]
[Site "Bogota"]
[Date "2012.03.03"]
[Round "3.5"]
[White "Perez Esparza, Juan Carlos"]
[Black "Prado, Leonardo"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1754"]
[BlackElo "1991"]
[PlyCount "58"]
[EventDate "2012.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. c4 Nf6 6. d3 Be7 7. Nc3 0-0 8. e4 d6 9. a3 Nc6 10. Rb1 d5 11. cxd5 exd5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Ng5 Qd7 15. Be4 h6 16. Qh5 f5 17. Nh3 fxe4 18. Bxh6 Rf7 19. Bf4 Nd4 20. dxe4 Bxe4 21. Rbd1 g6 22. Rxd4 cxd4 23. Qe2 Bf5 24. Ng5 Bxg5 25. Bxg5 Re8 26. Qd2 d3 27. Be3 Bh3 28. Re1 Qd5 29. f4 Rfe7 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.11"]
[Round "9"]
[White "Valencia, Dario"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1985"]
[PlyCount "23"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d6 3. Bf4 Bf5 4. c3 h6 5. Qb3 Qd7 6. d5 Nd8 7. Nbd2 e5 8. dxe6 Bxe6 9. Qc2 Nf6 10. e4 g5 11. Be3 Bg7 12. Nd4 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.08"]
[Round "6"]
[White "Perez Esparza, Juan Carlos"]
[Black "Suarez, Walter Camilo"]
[Result "0-1"]
[ECO "A30"]
[BlackElo "1988"]
[PlyCount "101"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. d3 d6 7. a3 Nbd7 8. b4 Be7 9. Bb2 Rc8 10. b5 0-0 11. a4 a5 12. bxa6 Bxa6 13. Nfd2 Qc7 14. Na3 Rfd8 15. Bc3 d5 16. cxd5 exd5 17. Nf3 c4 18. d4 Ne4 19. Qc2 f5 20. Rfb1 Bf6 21. Nb5 Bxb5 22. Rxb5 Qc6 23. Ne5 Bxe5 24. dxe5 Ndc5 25. f3 Nxc3 26. Qxc3 Nb3 27. Rd1 f4 28. Bh3 Rc7 29. e6 d4 30. Rxb3 Qc5 31. Qb2 cxb3 32. Qxb3 Kh8 33. gxf4 d3+ 34. Kg2 Qc2 35. Qxc2 Rxc2 36. Bf5 Rxe2+ 37. Kg3 d2 38. Be4 g6 39. f5 Kg7 40. fxg6 hxg6 41. h4 Kf6 42. Kf4 Rd4 43. Kg3 Re1 44. Bc2 Rxd1 45. Bxd1 Kxe6 46. Kf2 Ke5 47. Ke2 Rxh4 48. Kxd2 Kd4 49. Bc2 Rh2+ 50. Kc1 g5 51. Kd1 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "3"]
[White "Perez Esparza, Juan Carlos"]
[Black "Corredor Castellanos, Camilo"]
[Result "0-1"]
[ECO "A38"]
[BlackElo "1924"]
[PlyCount "86"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c5 6. Nc3 Nc6 7. d3 d6 8. Bg5 h6 9. Bd2 Bd7 10. Qc2 Nb4 11. Qb1 Rb8 12. a3 Nc6 13. b4 cxb4 14. axb4 a6 15. d4 e5 16. e3 exd4 17. exd4 Bf5 18. Qb3 Ne4 19. Be3 Nxc3 20. Qxc3 Re8 21. Nh4 Be6 22. Rab1 Qf6 23. Bxc6 bxc6 24. Rfc1 c5 25. Qd2 cxb4 26. Rxb4 g5 27. Ng2 Bh3 28. Ne1 Rxb4 29. Qxb4 Rxe3 30. Qb8+ Bf8 31. Qa8 Re2 32. Nd3 Qf5 33. Nf4 gxf4 34. Qf3 Qe4 35. Qxe4 Rxe4 36. c5 dxc5 37. dxc5 Bxc5 38. gxf4 a5 39. f5 a4 40. f6 a3 41. Kh1 a2 42. f4 Re2 43. Rg1+ Bxg1 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.06"]
[Round "1"]
[White "Perez Esparza, Juan Carlos"]
[Black "Hernandez, Oscar Eduardo"]
[Result "0-1"]
[ECO "E01"]
[BlackElo "1960"]
[PlyCount "67"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bd6 5. 0-0 0-0 6. d4 c6 7. Nc3 Nbd7 8. Nd2 Re8 9. a3 e5 10. cxd5 cxd5 11. dxe5 Bxe5 12. Nxd5 Nxd5 13. Bxd5 Nb6 14. Bf3 Qc7 15. a4 Rd8 16. Qb3 Be6 17. Qe3 Nd5 18. Bxd5 Rxd5 19. Nf3 Bf6 20. Qe4 Qd7 21. h4 Re8 22. Qb4 a5 23. Qb6 Rc8 24. Be3 Rc6 25. Qa7 h6 26. Rac1 Rxc1 27. Bxc1 Qxa4 28. Qxb7 Rd1 29. b3 Qxb3 30. Qa8+ Kh7 31. Qe4+ g6 32. Nd2 Rxf1+ 33. Nxf1 a4 34. h5 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.07"]
[Round "8"]
[White "Gonzalez, Javier Andres"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "51"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Bf5 5. Nf3 Nc6 6. Be2 f6 7. c4 Qd6 8. d5 Ne5 9. 0-0 h5 10. Nc3 g5 11. Nb5 Qb8 12. Nxe5 Qxe5 13. f4 Qb8 14. fxg5 Bg4 15. Bf4 Qc8 16. g6 Bh6 17. Bxg4 hxg4 18. Nc7+ Kf8 19. Ne6+ Ke8 20. Qxg4 Bxf4 21. Rxf4 a5 22. g7 Rh6 23. Re1 Ra6 24. Rfe4 Qb8 25. Nf4 Ra8 26. Rxe7+ 1-0

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "4"]
[White "Rodriguez, Wilmer Alberto"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2178"]
[PlyCount "49"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Bb4 6. Bd3 Nc6 7. Nxc6 bxc6 8. 0-0 Bxc3 9. bxc3 Qa5 10. c4 Rb8 11. Bd2 Qe5 12. Qf3 Ba6 13. Bf4 Qb2 14. Bd6 h6 15. e5 Nh7 16. Bxh7 Rxh7 17. Bxb8 Qxb8 18. Qe4 Rh8 19. Rfb1 Qc7 20. c5 Ke7 21. Rb3 Qa5 22. Qd4 Rd8 23. Qd6+ Ke8 24. Rg3 g6 25. Rd1 1-0

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.03"]
[Round "1"]
[White "Nunez Vergara, Daniel"]
[Black "Perez Esparza, Juan Carlos"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2191"]
[PlyCount "79"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 d5 5. Bg5 Qa5 6. Bxf6 gxf6 7. exd5 exd5 8. Bb5+ Nc6 9. 0-0 Be6 10. dxc5 0-0-0 11. a3 d4 12. b4 Nxb4 13. axb4 Qxb4 14. Rxa7 Bxc5 15. Ra8+ Kc7 16. Rxd8 Rxd8 17. Ne2 Qxb5 18. Nexd4 Qb6 19. c3 Bg4 20. Qc2 Bxf3 21. Nxf3 h6 22. g3 Qc6 23. Kg2 Qd5 24. Qh7 Qh5 25. Re1 Qg6 26. Qxg6 fxg6 27. Re6 Rd6 28. Re7+ Rd7 29. Rxd7+ Kxd7 30. Nh4 g5 31. Nf5 Bf8 32. Kf3 Ke6 33. Ke4 Bc5 34. f3 b5 35. Nxh6 Bg1 36. h3 Bf2 37. Nf5 Be1 38. Nd4+ Kf7 39. Nxb5 Bxg3 40. Kf5 1-0

