[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Duran Vega, Andres"]
[Black "Alarcon Careaga, Gustavo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1978"]
[BlackElo "1862"]
[PlyCount "54"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. d4 Bg4 5. Ne5 h5 6. c4 dxc4 7. Nxg4 hxg4 8. e3 e6 9. Qc2 Nbd7 10. Qxc4 Bd6 11. Nc3 e5 12. 0-0 Qa5 13. Bd2 Qc7 14. Rac1 Nb6 15. Qd3 0-0 16. Nb5 Qe7 17. Nxd6 Qxd6 18. Qb3 Rfe8 19. Bb4 Qe6 20. Qxe6 Rxe6 21. dxe5 Rxe5 22. Bc3 Rb5 23. b3 Nh7 24. Rfd1 Re8 25. e4 f6 26. Bf1 Rh5 27. Bd3 Ng5 0-1

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Barros, Raul Junior"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2127"]
[BlackElo "1978"]
[PlyCount "97"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Rb8 13. Be2 0-0 14. 0-0 Ne7 15. Nce3 Bxe3 16. Nxe3 Be6 17. Nd5 Bxd5 18. exd5 f5 19. Qd2 Ng6 20. Rfd1 e4 21. a4 f4 22. Bf1 Qg5 23. Re1 Rbe8 24. Kh1 e3 25. Qc2 Nh4 26. f3 Rf6 27. axb5 axb5 28. Bxb5 Rd8 29. Bd3 Rh6 30. Be4 Qh5 31. Kg1 Nf5 32. Bxf5 Qxh2+ 33. Kf1 Qh1+ 34. Ke2 Qxg2+ 35. Kd3 Qxf3 36. Be4 Qg4 37. Rg1 Qd7 38. Qg2 Rb8 39. Kc2 Rf6 40. Qf3 Qb5 41. Rab1 Rh6 42. Qg2 Rb7 43. b3 Rh4 44. Bd3 Qe8 45. Rh1 f3 46. Qg3 Rxh1 47. Rxh1 e2 48. Bxh7+ Kf8 49. Bg6 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Duran Vega, Andres"]
[Black "Zavarce Sayago, Oscar Enrique"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1978"]
[BlackElo "2231"]
[PlyCount "87"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. c4 Nf6 5. 0-0 e6 6. Nc3 Be7 7. b3 0-0 8. Bb2 d6 9. e3 Nbd7 10. d4 a6 11. Qe2 Re8 12. Rfd1 Qc7 13. Rac1 Bf8 14. a3 Rac8 15. e4 cxd4 16. Nxd4 Qb8 17. f4 e5 18. fxe5 Nxe5 19. Nd5 Nfd7 20. Qe3 b5 21. cxb5 axb5 22. Rxc8 Rxc8 23. Nc3 Bc6 24. Nxc6 Rxc6 25. Nd5 Rc2 26. Rd2 Rxd2 27. Qxd2 Nc5 28. b4 Nc4 29. Qc2 Nd7 30. Qf2 Nde5 31. Bf1 Nxb2 32. Qxb2 Qa7+ 33. Kg2 Qd7 34. Be2 f5 35. Qb3 Kh8 36. Qe3 fxe4 37. Qxe4 g6 38. Nf4 Bh6 39. Qa8+ Kg7 40. Qd5 Bxf4 41. gxf4 Ng4 42. Kg3 Nf6 43. Qxb5 Qa7 44. Kg2 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Bianchi, Augusto"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1799"]
[BlackElo "1978"]
[PlyCount "80"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c3 Be7 10. Qa4 0-0 11. Qc4 a6 12. Na3 b5 13. Qb3 Nd7 14. c4 Nc5 15. Qc3 bxc4 16. Bxc4 f5 17. Be3 Ne4 18. Qd3 Qa5+ 19. Bd2 Qb6 20. Be3 Qb4+ 21. Bd2 Qb6 22. Be3 Qa5+ 23. Bd2 Nxd2 24. Qxd2 Qd8 25. Nc2 Bg5 26. Qe2 f4 27. h4 Bh6 28. f3 Qb6 29. b3 Bf5 30. Bd3 Bxd3 31. Qxd3 Rac8 32. a3 Qc5 33. Nb4 Ra8 34. Kd2 Qb6 35. Nc6 Rae8 36. Ra2 Rf6 37. b4 Rg6 38. Kd1 e4 39. fxe4 Rg3 40. Qd4 Qb5 0-1

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Duran Vega, Andres"]
[Black "Moncada Russo, Bryan Andrew"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "1978"]
[BlackElo "1772"]
[PlyCount "63"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[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. d4 d6 5. c4 0-0 6. 0-0 Nbd7 7. Nc3 Re8 8. b4 c5 9. bxc5 dxc5 10. Qc2 cxd4 11. Nxd4 a6 12. e3 e5 13. Nb3 Qc7 14. Qe2 e4 15. Bb2 Ne5 16. Nxe4 Nxe4 17. Bxe4 Qxc4 18. Qxc4 Nxc4 19. Bxg7 Kxg7 20. Bd5 Ne5 21. Nc5 Rb8 22. Rab1 b5 23. Rfc1 Rd8 24. e4 Nd7 25. Nd3 Nb6 26. Nb4 Nxd5 27. exd5 Bb7 28. Nc6 Bxc6 29. dxc6 Rdc8 30. Rc5 Rc7 31. Kf1 Rb6 32. Rbc1 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Aleman Hernandez, Andres"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "A16"]
[BlackElo "1978"]
[PlyCount "88"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. c4 g6 4. Nf3 Bg7 5. 0-0 0-0 6. Nc3 c6 7. d3 Na6 8. cxd5 Nxd5 9. Bd2 Qb6 10. Rb1 Rd8 11. a3 Nc5 12. Nxd5 cxd5 13. b4 Ne6 14. Qb3 Nc7 15. Rfc1 Qd6 16. b5 e5 17. Bb4 Qd7 18. a4 Ne6 19. Bh3 Qe8 20. Bxe6 Bxe6 21. Ng5 Rac8 22. Nxe6 Qxe6 23. Ba3 Bh6 24. Rc5 Rxc5 25. Bxc5 b6 26. Bb4 Qd7 27. Rb2 e4 28. Rc2 exd3 29. Qxd3 Qg4 30. Qb3 Bf8 31. Bxf8 Rxf8 32. Qxd5 Qxa4 33. Ra2 Qg4 34. Rxa7 Qxe2 35. Rb7 Qb2 36. Rxb6 Re8 37. Rb7 Qf6 38. Qd3 Rd8 39. Rd7 Rc8 40. Kg2 Qb6 41. Qd5 Qf6 42. Rd6 Qe7 43. b6 Rb8 44. Rd7 Qb4 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Duran Vega, Andres"]
[Black "Leiva Rodriguez, Jeammarco Giuseppe"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1978"]
[BlackElo "2135"]
[PlyCount "78"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d4 Bg4 5. Ne5 Bh5 6. 0-0 Nfd7 7. Bf4 e6 8. c4 Be7 9. Qb3 Qb6 10. Re1 Qxb3 11. axb3 Nxe5 12. Bxe5 0-0 13. c5 Nd7 14. Bc7 Bf6 15. e3 Rfe8 16. f4 Be7 17. Nd2 Bg6 18. Bh3 Rec8 19. Be5 Nxe5 20. fxe5 Re8 21. b4 a6 22. Bg2 Rad8 23. Rf1 Bg5 24. Rae1 Ra8 25. h4 Bd8 26. e4 Bc7 27. g4 h6 28. Re3 Bd8 29. h5 Bh7 30. Ref3 Bg5 31. Nb3 Re7 32. exd5 exd5 33. Kh2 Rae8 34. Rc3 f6 35. exf6 Bxf6 36. Rf4 Re2 37. Kh3 Rxb2 38. Rg3 Ree2 39. Nc1 Rec2 0-1

[Event "Central America-ch U14"]
[Site "Medellin"]
[Date "2010.12.12"]
[Round "5"]
[White "Duran Vega, Andres"]
[Black "Hernandez, Cristian Andres"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1969"]
[BlackElo "1979"]
[PlyCount "93"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d4 e6 5. 0-0 Be7 6. b3 0-0 7. Bb2 c5 8. c4 cxd4 9. Bxd4 d6 10. Qc2 Nbd7 11. Rd1 Rc8 12. Qb2 Qc7 13. Nc3 e5 14. Be3 a6 15. h3 b5 16. Nd5 Bxd5 17. cxd5 Nb6 18. Rac1 Qb7 19. Nxe5 Rxc1 20. Rxc1 Nbxd5 21. Ng4 Qd7 22. Nxf6+ Bxf6 23. Bd4 Bxd4 24. Qxd4 Ne7 25. Qb6 Qe6 26. Qxa6 Qxe2 27. Qxd6 Nf5 28. Qf4 Qe6 29. Rc5 Nd6 30. Re5 Qg6 31. Kh2 Qb1 32. Rg5 Ne8 33. Rxb5 Qxa2 34. Rb8 Qa7 35. b4 Kh8 36. Rb7 Qa2 37. Rb8 Qa7 38. b5 g5 39. Qe5+ f6 40. b6 Qd7 41. Qc5 Rg8 42. Bc6 Qd6 43. Qxd6 Nxd6 44. Rxg8+ Kxg8 45. b7 Nxb7 46. Bxb7 f5 47. Bc8 1-0

[Event "Central America-ch U14"]
[Site "Medellin"]
[Date "2010.12.11"]
[Round "4"]
[White "Gutierrez Anaya, Yeison Joel"]
[Black "Duran Vega, Andres"]
[Result "1/2-1/2"]
[ECO "D94"]
[BlackElo "1969"]
[PlyCount "28"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. d4 g6 5. Nf3 Bg7 6. e3 0-0 7. Bc4 Nxc3 8. bxc3 c5 9. 0-0 Nc6 10. Ba3 Na5 11. Be2 cxd4 12. cxd4 Be6 13. Qa4 b6 14. Nd2 Rc8 1/2-1/2

[Event "Central America-ch U14"]
[Site "Medellin"]
[Date "2010.12.10"]
[Round "2"]
[White "Corado Paz Castillo, Rafael"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2033"]
[BlackElo "1969"]
[PlyCount "66"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Bc4 0-0 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. Bxd5 a5 16. a3 Rc5 17. h4 h5 18. g4 Rh8 19. Qd4+ e5 20. Qd2 Qc7 21. Rdg1 b4 22. gxh5 Rxh5 23. Rg5 Rh6 24. h5 bxa3 25. Rgg1 Rxd5 26. exd5 a2 27. Qxh6+ Kxh6 28. hxg6+ Kg7 29. Rh7+ Kg8 30. Kd2 fxg6 31. Rgh1 Qa7 32. R7h4 Qf2+ 33. Kc3 Qxh4 0-1

[Event "Central America-ch U14"]
[Site "Medellin"]
[Date "2010.12.10"]
[Round "3"]
[White "Duran Vega, Andres"]
[Black "Arboleda Tamayo, Daniel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1969"]
[PlyCount "41"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 Nc6 3. d4 d5 4. Bg2 Bg4 5. 0-0 e6 6. b3 Bd6 7. Bb2 0-0 8. c4 b6 9. Nc3 Bb4 10. Rc1 dxc4 11. bxc4 Bxf3 12. Bxf3 Qxd4 13. Bxc6 Rad8 14. Qxd4 Rxd4 15. Nd5 Rd2 16. Nxf6+ gxf6 17. Bxf6 Rxe2 18. a4 Ra2 19. Rcd1 Rc2 20. Rd4 Bc5 21. Rg4# 1-0

[Event "Central America-ch U14"]
[Site "Medellin"]
[Date "2010.12.09"]
[Round "1"]
[White "Gutierrez, Federico"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1969"]
[PlyCount "86"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Bd3 Nf6 4. e5 Nfd7 5. b3 c5 6. c3 Nc6 7. Bb2 Ndxe5 8. Bb5 Nxf3+ 9. Qxf3 Bd7 10. d4 cxd4 11. cxd4 a6 12. Bd3 Bb4+ 13. Nd2 Qa5 14. Qe3 Bc3 15. Rb1 Bxb2 16. Rxb2 Qc3 17. Rc2 Qa1+ 18. Nb1 Qxb1+ 19. Qc1 Qxc1+ 20. Rxc1 Nxd4 21. Rc7 b5 22. 0-0 Ke7 23. g3 Rac8 24. Rcc1 Rxc1 25. Rxc1 Rc8 26. Re1 Nf3+ 27. Kf1 Nxe1 28. Kxe1 e5 29. f3 Rc3 30. Ke2 Rxd3 31. Kxd3 Bf5+ 32. Kc3 d4+ 33. Kd2 Kd6 34. h4 b4 35. g4 Bb1 36. Kc1 Bxa2 37. Kb2 Bxb3 38. Kxb3 d3 39. Kb2 a5 40. Kb3 a4+ 41. Kb2 a3+ 42. Kb3 d2 43. Kc2 a2 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.08"]
[Round "9"]
[White "Uribe Fajardo, Juan Felipe"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1912"]
[BlackElo "1969"]
[PlyCount "85"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 Bd7 9. Qd2 0-0 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Bxa7 Qa5 14. Bd4 b4 15. Ne2 Ba4 16. Bxa4 Qxa4 17. Kb1 Rc6 18. b3 Qa5 19. c3 bxc3 20. Bxc3 Qa6 21. Qd3 Qb7 22. Rc1 Ra6 23. Rc2 Rfa8 24. Nc1 Bh6 25. h4 Nd7 26. g4 Bxc1 27. Rhxc1 Nc5 28. Qd5 Qa7 29. b4 e6 30. Qc4 Ra4 31. e5 Nb7 32. exd6 Nxd6 33. Qe2 Qe7 34. g5 Kf8 35. Qe5 Ke8 36. Qh8+ Kd7 37. Qe5 Ke8 38. Rd1 R4a6 39. Rcd2 Rd8 40. b5 Rb6 41. Ba5 Rdb8 42. Bxb6 Rxb6 43. Rxd6 1-0

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "3"]
[White "Ospina Loaiza, Jhonny"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2002"]
[BlackElo "1969"]
[PlyCount "55"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 h5 11. 0-0-0 Rc8 12. Bb3 a5 13. Rdg1 Nxd4 14. Bxd4 b5 15. a4 b4 16. Nd5 Nxd5 17. Bxg7 Kxg7 18. Qxd5 Qb6 19. Qd2 Rc5 20. g4 Rfc8 21. Kb1 Qc6 22. Qf4 Rf8 23. Bd5 Qc7 24. gxh5 Rxc2 25. Rc1 e5 26. h6+ Kh7 27. Qf6 Rxc1+ 28. Rxc1 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.09"]
[Round "13"]
[White "Duran Vega, Andres"]
[Black "Carvajal Gorgona, Jonathan G"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1993"]
[BlackElo "2186"]
[PlyCount "84"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be7 7. h3 h6 8. Bh4 Bf5 9. e3 Nbd7 10. Bd3 Ne4 11. Bxe7 Qxe7 12. 0-0 g5 13. Nh2 h5 14. Nxe4 dxe4 15. Be2 g4 16. g3 Nf6 17. h4 0-0-0 18. a4 Nd5 19. Qd2 Kb8 20. Rfc1 Rc8 21. Rab1 Bg6 22. b4 f5 23. Nf1 Rhd8 24. b5 c5 25. b6 Nxb6 26. a5 Nd5 27. Qb2 cxd4 28. Rxc8+ Rxc8 29. Ba6 Rc7 30. Qxd4 Bf7 31. Nd2 Qf6 32. Qxf6 Nxf6 33. Bb5 Nd5 34. Bf1 Rc2 35. Nc4 Nc3 36. Rb4 Na2 37. Ra4 Be8 38. Ra3 Bb5 39. Nd6 Bxf1 40. Kxf1 Rc1+ 41. Kg2 Nb4 42. Nxf5 Nc2 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.08"]
[Round "12"]
[White "Valdes Romero, Leonardo"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2429"]
[BlackElo "1993"]
[PlyCount "45"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. c4 c6 4. b3 Bg7 5. Bb2 d5 6. Bg2 0-0 7. 0-0 Bf5 8. d3 Nbd7 9. Nd4 e6 10. Nxf5 gxf5 11. Nd2 Kh8 12. Rc1 Rg8 13. cxd5 cxd5 14. e4 f4 15. e5 Ne8 16. Qh5 Qe7 17. Nf3 f6 18. Rce1 fxg3 19. fxg3 fxe5 20. Ng5 h6 21. Nf7+ Kh7 22. Nxh6 Nef6 23. Nxg8+ 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.07"]
[Round "11"]
[White "Duran Vega, Andres"]
[Black "Zhang, Juan"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "1993"]
[BlackElo "1811"]
[PlyCount "74"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Be7 5. Nc3 Bb7 6. e3 0-0 7. Bd3 h6 8. Bh4 d5 9. 0-0 Nbd7 10. cxd5 exd5 11. Rc1 c5 12. dxc5 Nxc5 13. Bb1 Rc8 14. Nd4 Re8 15. Bf5 Ra8 16. b4 Nce4 17. Ncb5 Bd6 18. f3 Ng5 19. Nxd6 Qxd6 20. f4 Nge4 21. Nb5 Qxb4 22. Nc7 Nd6 23. Nxe8 Rxe8 24. Bxf6 Nxf5 25. Qg4 Qe4 26. Rfe1 Ba6 27. h3 Re6 28. Kf2 Rxf6 29. Qf3 Re6 30. Qxe4 dxe4 31. Rc7 Rd6 32. a3 Rd2+ 33. Kg1 Nh4 34. Rxa7 Rxg2+ 35. Kh1 Be2 36. Rg1 Rf2 37. Rg3 Nf3 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.07"]
[Round "10"]
[White "Hernandez Basante, Francisco"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2215"]
[BlackElo "1993"]
[PlyCount "59"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. Bd3 Nc6 5. Nf3 d6 6. cxd4 Bg4 7. Be3 g6 8. d5 Bxf3 9. gxf3 Ne5 10. Bb5+ Ned7 11. Nc3 a6 12. Be2 Bg7 13. h4 h5 14. f4 Qa5 15. f3 0-0 16. Qd2 Kh7 17. a3 b5 18. b4 Qc7 19. Rc1 Rac8 20. Kf2 Qb7 21. Bd3 Bh8 22. Rhg1 Rg8 23. Rg5 Bg7 24. e5 Nxd5 25. Nxd5 Rxc1 26. Nxe7 Bh6 27. Rxh5 Re8 28. Qxc1 Kg7 29. Nf5+ gxf5 30. Qg1+ 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.05"]
[Round "9"]
[White "Duran Vega, Andres"]
[Black "Maynard, Francis"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1993"]
[BlackElo "2202"]
[PlyCount "133"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Nc3 0-0 7. Bg2 d6 8. 0-0 Qe8 9. Qc2 Qg6 10. b4 Nc6 11. b5 Nd8 12. e3 Bd7 13. Ne2 Ne4 14. Nf4 Qh6 15. Nd3 Nf7 16. a4 g5 17. Nfe1 e5 18. f4 gxf4 19. exf4 exd4 20. Nf2 Nc5 21. Ned3 Rae8 22. Nb4 Qg7 23. Rae1 Bd8 24. Nd5 Nh6 25. Nd3 Ng4 26. h3 Nf6 27. Nxf6+ Bxf6 28. Nxc5 dxc5 29. Kh2 b6 30. Qd3 Qg6 31. Qf3 Kh8 32. Rxe8 Bxe8 33. Qb7 Bf7 34. Rc1 Rg8 35. Qf3 Rc8 36. Bf1 Rg8 37. Bd3 Be6 38. Rg1 Qf7 39. Qe2 Re8 40. Re1 Bd7 41. Qf3 Be6 42. a5 Re7 43. Qf1 Kg7 44. a6 Qe8 45. Qf3 Qf7 46. Rc1 Qe8 47. Qb7 Bc8 48. Qg2 Bd7 49. Rg1 Kh8 50. Qb7 c6 51. Qxa7 cxb5 52. Qxb6 Bc6 53. Rg2 bxc4 54. Bxc4 Kg7 55. Rf2 Qc8 56. Qxc5 Rc7 57. Ba5 Re7 58. a7 Qb7 59. Bb6 Be4 60. Bd8 d3 61. Bxe7 Bxe7 62. Qe5+ Bf6 63. Qb8 Qc6 64. Bxd3 Qc5 65. Rc2 Bc3 66. Bxe4 fxe4 67. a8Q 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.04"]
[Round "8"]
[White "Murillo Tsijli, Alexis"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2286"]
[BlackElo "1993"]
[PlyCount "105"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 0-0 7. 0-0 Nb6 8. Nc3 c6 9. Bf4 Be6 10. Qc1 N8d7 11. Bh6 Nf6 12. Bxg7 Kxg7 13. Rd1 Nbd5 14. Nxd5 Bxd5 15. Qc5 Ne4 16. Qa3 Nd6 17. Ne1 Bxg2 18. Nxg2 Qb6 19. Ne3 Rad8 20. d5 Nb5 21. Qxe7 Rfe8 22. Qg5 cxd5 23. Nxd5 Qc6 24. Rac1 Qa6 25. Ne3 Nd6 26. Nf5+ Kg8 27. Rd3 Qb6 28. Nxd6 Rxd6 29. Qd2 Rde6 30. e3 h5 31. h4 Rf6 32. Rd4 Qe6 33. b3 Kg7 34. Rd7 Qe4 35. Rd6 Rfe6 36. Rxe6 Rxe6 37. Rc4 Qb1+ 38. Kg2 Rf6 39. Qc3 Qxa2 40. Rf4 Qa6 41. Qd4 Qc6+ 42. Kg1 a6 43. b4 Qd6 44. Qb2 Qb6 45. Kh2 a5 46. Rxf6 Qxf6 47. Qxf6+ Kxf6 48. bxa5 Ke5 49. Kg2 Kd5 50. f4 Kc5 51. e4 Kb5 52. f5 Kxa5 53. f6 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.03"]
[Round "7"]
[White "Duran Vega, Andres"]
[Black "Arias Santana, Mauricio"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1993"]
[BlackElo "2345"]
[PlyCount "66"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. Nc3 Bb4 5. Bd2 b6 6. g3 Bb7 7. Bg2 0-0 8. 0-0 c6 9. a3 Be7 10. b4 d5 11. c5 Ne4 12. Qc2 Nd7 13. Rac1 Bf6 14. e3 Kh8 15. a4 a5 16. Nxe4 fxe4 17. Ne1 bxc5 18. b5 c4 19. Qa2 cxb5 20. axb5 Qb6 21. Qa4 Rfc8 22. Bh3 Re8 23. Ra1 Bd8 24. Ng2 Bc7 25. Nf4 Nf6 26. Ne2 Bc8 27. Bc3 Bd7 28. Rfb1 Reb8 29. Qa3 h6 30. Nf4 Kh7 31. Qe7 Bd6 32. Qf7 Bxf4 33. gxf4 Qd6 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.08.01"]
[Round "6"]
[White "Alvarez Hernandez, David"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1954"]
[BlackElo "1993"]
[PlyCount "65"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Nf6 7. h3 Qb6 8. Rb1 Be6 9. Nge2 Nd4 10. 0-0 0-0 11. b4 Nxe2+ 12. Qxe2 Qc7 13. bxc5 dxc5 14. Rb5 c4 15. d4 a6 16. Rb4 Nd7 17. Qd2 Rfd8 18. f4 f5 19. exf5 Bxf5 20. Rxb7 Qd6 21. Rfb1 Rac8 22. g4 Be6 23. Ne4 Qa3 24. Ng5 c3 25. Qe1 Qxa2 26. Bf2 Nf8 27. R1b6 Rd6 28. d5 Bxd5 29. Rxe7 Rxb6 30. Bxb6 Qc4 31. Rxg7+ Kxg7 32. Qe5+ Kh6 33. Bxd5 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.07.31"]
[Round "5"]
[White "Duran Vega, Andres"]
[Black "Gonzalez Acosta, Bernal Manuel"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1993"]
[BlackElo "2423"]
[PlyCount "66"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d6 2. h3 e5 3. c3 Nd7 4. Qc2 g6 5. Nf3 Bg7 6. e4 Ne7 7. Bc4 0-0 8. 0-0 h6 9. Be3 exd4 10. Nxd4 Nb6 11. Bb3 d5 12. Rd1 Bd7 13. Ne2 dxe4 14. Nf4 Qe8 15. Bc5 Nbc8 16. Qxe4 Bc6 17. Qd3 Bb5 18. Qg3 Qc6 19. a4 Qxc5 20. axb5 Qxb5 21. Nd2 Qg5 22. Qf3 Nd6 23. Ne4 Nxe4 24. Qxe4 Rae8 25. Rd7 Qb5 26. Rxe7 Rxe7 27. Qxe7 Qxb3 28. Qxc7 Qxb2 29. Rxa7 Bxc3 30. Nd5 Be5 31. Ne7+ Kg7 32. Qc4 Qb1+ 33. Qf1 Bh2+ 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.07.30"]
[Round "4"]
[White "Bermudez Vives, Sergio"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2183"]
[BlackElo "1993"]
[PlyCount "39"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. 0-0-0 0-0 12. Bd4 Nxc3 13. Qxc3 Bxd4 14. Rxd4 Qb6 15. Bc4 Rb8 16. h4 c5 17. Re4 Ba6 18. h5 g5 19. h6 Qg6 20. Bxa6 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.07.28"]
[Round "3"]
[White "Duran Vega, Sergio"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2156"]
[BlackElo "1993"]
[PlyCount "139"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e5 7. Nb3 Be7 8. Qd2 h6 9. Bh4 0-0 10. Bg3 Be6 11. 0-0-0 a5 12. Kb1 Bxb3 13. axb3 Nd4 14. f4 Nh5 15. Nd5 Nxg3 16. hxg3 a4 17. c3 axb3 18. Nxe7+ Kh7 19. Bd3 Nc2 20. Bxc2 bxc2+ 21. Kxc2 Qxe7 22. Qxd6 Qe8 23. Ra1 exf4 24. Qxf4 Rxa1 25. Rxa1 Qc6 26. Ra5 Kg8 27. Rd5 Qa4+ 28. Kb1 Ra8 29. Rd4 Qa1+ 30. Kc2 Qe1 31. Rd1 Qe2+ 32. Rd2 Qc4 33. e5 Qc6 34. g4 Re8 35. Re2 f6 36. e6 Rxe6 37. Rxe6 Qxe6 38. Qb8+ Kh7 39. Qxb7 Qe2+ 40. Kb3 Qxg4 41. Qd5 Qg3 42. Qe4+ Kh8 43. Qe8+ Kh7 44. Qe4+ Kh8 45. Ka4 Qc7 46. Qe8+ Kh7 47. Qe4+ Kh8 48. c4 Qa7+ 49. Kb4 Qb6+ 50. Kc3 Qa5+ 51. Kc2 f5 52. Qe8+ Kh7 53. Qb5 Qc7 54. Qxf5+ g6 55. Qd5 Qe7 56. c5 Qe2+ 57. Kc3 Qe3+ 58. Kb4 Qe1+ 59. Kb5 Qe2+ 60. Kc6 Qxb2 61. Qf7+ Kh8 62. Qxg6 Qe2 63. Qxh6+ Kg8 64. Qg6+ Kh8 65. Kd7 Qb5+ 66. Qc6 Qd3+ 67. Qd6 Qf5+ 68. Kc7 Qf7+ 69. Qd7 Qf4+ 70. Kc8 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.07.27"]
[Round "2"]
[White "Duran Vega, Andres"]
[Black "Alfaro Rojas, Alfonso Jose"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1993"]
[BlackElo "2188"]
[PlyCount "58"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Bb4+ 6. Nc3 Nf6 7. Qe2+ Qe7 8. Qxe7+ Bxe7 9. Bf4 c6 10. 0-0-0 0-0 11. a3 b5 12. Bb3 b4 13. axb4 Bxb4 14. Nge2 Nbd7 15. f3 Nb6 16. Be5 Nfd5 17. Ne4 Ba6 18. N2c3 Bc4 19. Bc2 Rfd8 20. Bg3 a5 21. Na4 Nxa4 22. Bxa4 Ne3 23. Rdg1 Rxd4 24. Bxc6 Rc8 25. Bb7 Bf1+ 26. Kb1 Rc1+ 27. Ka2 Rdd1 28. Rxf1 Ra1+ 29. Kb3 Nxf1 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2010.07.26"]
[Round "1"]
[White "Munoz, Carolina"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2033"]
[BlackElo "1993"]
[PlyCount "94"]
[EventDate "2010.07.26"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. e5 Nd5 7. d4 e6 8. c4 Nc7 9. Re1 d5 10. cxd5 Nxd5 11. Nc3 Nc6 12. Bg5 h6 13. Bh4 Nxc3 14. bxc3 cxd4 15. Nxd4 Nxd4 16. cxd4 Bb4 17. Re3 g5 18. Bg3 Rd8 19. Rd3 Bc5 20. Qg4 Be7 21. h4 Qd5 22. h5 b5 23. Qd1 0-0 24. f4 a5 25. Qd2 Qe4 26. Re1 Qf5 27. Rf1 g4 28. Qe2 Kh7 29. Be1 b4 30. Bd2 Rg8 31. g3 Rd5 32. Rc1 Rgd8 33. Be3 Qe4 34. Qd2 a4 35. Rd1 Bc5 36. Qg2 Qf5 37. Qb2 b3 38. axb3 a3 39. Qb1 Kg7 40. b4 Bxd4 41. Bxd4 Rxd4 42. Rxd4 Rxd4 43. Rf1 Rd3 44. Qe1 a2 45. Kg2 Rb3 46. Qa1 Qe4+ 47. Kh2 Qe2+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.17"]
[Round "7"]
[White "Brenes Salgado, Juan Carlos"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1997"]
[BlackElo "1975"]
[PlyCount "68"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nc3 b6 7. cxd5 exd5 8. Bb5 Bb7 9. Bxf6 Bxf6 10. Qa4 a6 11. Bd3 0-0 12. Bf5 b5 13. Qc2 g6 14. Bxd7 Qxd7 15. h4 Qg4 16. Kf1 Rac8 17. b4 a5 18. a3 axb4 19. axb4 Ra8 20. Rb1 Bc8 21. Nxd5 Bg7 22. Qxc7 Qe4 23. Ne7+ Kh8 24. Rc1 Be6 25. h5 gxh5 26. Rxh5 Bf6 27. Ng5 Bxg5 28. Rxg5 Qh4 29. Rxb5 Ra2 30. Rc2 Qh1+ 31. Ke2 Bg4+ 32. f3 Qxg2+ 33. Kd3 Qf1+ 34. Kc3 Ra3+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.17"]
[Round "8"]
[White "Zamora Mejias, Alonso"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "E52"]
[BlackElo "1975"]
[PlyCount "75"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 0-0 8. 0-0 b6 9. a3 Bxc3 10. bxc3 Bb7 11. Re1 Ne4 12. Qc2 Ndf6 13. Bd3 Qd6 14. Ne5 Rad8 15. a4 c5 16. f3 Ng5 17. h4 Nxf3+ 18. gxf3 h6 19. Ba3 Nd7 20. Nxd7 Rxd7 21. Qg2 f5 22. Rad1 Qe7 23. Qg3 Rf6 24. Kf2 Qf7 25. Bc4 Kh8 26. Qf4 cxd4 27. Rxd4 Rxd4 28. exd4 Qd7 29. Bb5 Qc8 30. Bb2 a6 31. Bd3 Bd5 32. Qd6 Qb7 33. c4 Bc6 34. d5 e5 35. Qd8+ Kh7 36. dxc6 Qxc6 37. Rxe5 Rf7 38. Rxf5 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.16"]
[Round "9"]
[White "Duran Vega, Andres"]
[Black "Vindas Moran, Roberto Camilo"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1975"]
[PlyCount "93"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Bd2 0-0 6. e3 Bb7 7. Bd3 d6 8. Qc2 Nbd7 9. a3 Bxc3 10. Bxc3 d5 11. cxd5 exd5 12. 0-0 Rc8 13. b4 Ne4 14. Rac1 c5 15. bxc5 bxc5 16. Qb2 Rb8 17. Qa2 Re8 18. Nd2 Nxc3 19. Rxc3 c4 20. Bf5 Nf6 21. Qc2 Ba8 22. Re1 Qb6 23. Rb1 Qa5 24. h3 Rxb1+ 25. Nxb1 g6 26. Bg4 Ne4 27. Bf3 Nxc3 28. Nxc3 Qxa3 29. Bxd5 Bxd5 30. Nxd5 Rc8 31. Qe4 Rd8 32. Nf6+ Kh8 33. Qe5 Qd6 34. Qg5 Rb8 35. f4 c3 36. Qh4 h5 37. Qg5 Kg7 38. Nxh5+ Kf8 39. Qh6+ Ke8 40. Qg7 gxh5 41. Qg8+ Qf8 42. Qg5 Rb1+ 43. Kh2 c2 44. Qe5+ Qe7 45. Qh8+ Kd7 46. Qa8 c1Q 47. Qd5+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "6"]
[White "Duran Vega, Andres"]
[Black "Rodriguez Carmona, James"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1975"]
[BlackElo "2011"]
[PlyCount "94"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Be7 5. Nf3 0-0 6. Bd2 Nbd7 7. cxd5 exd5 8. Bd3 Re8 9. 0-0 Nf8 10. Ne5 c6 11. Qc2 Bd6 12. f4 N6d7 13. Rf3 f6 14. Ng4 Nb6 15. Rg3 Qe7 16. b3 Bd7 17. Bf5 Kh8 18. Rf1 c5 19. Rh3 Bxf5 20. Qxf5 Qe6 21. Qxe6 Nxe6 22. Nb5 Bf8 23. e4 a6 24. Nc3 cxd4 25. Nxd5 Nxd5 26. exd5 Nc7 27. Rd3 Nxd5 28. Nf2 Bc5 29. a3 Rac8 30. b4 Bb6 31. h3 h5 32. Kh1 Re2 33. Nd1 Rc2 34. Rf2 Nxf4 35. Bxf4 Rxf2 36. Nxf2 Rxf2 37. Bg3 Rc2 38. Bf4 Rc3 39. Rxc3 dxc3 40. g3 Kh7 41. Kg2 Kg6 42. Bc1 Kf5 43. Kf3 Ke5 44. Ke2 Ke4 45. a4 Bc7 46. g4 hxg4 47. hxg4 Bf4 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "5"]
[White "Torres Barquero, Joseph"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "E20"]
[BlackElo "1975"]
[PlyCount "58"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. Bg5 Nc6 6. a3 Bxc3+ 7. bxc3 h6 8. Bh4 Bd7 9. cxd5 exd5 10. Qb1 0-0 11. e4 dxe4 12. fxe4 Qe7 13. e5 Nxe5 14. dxe5 Qxe5+ 15. Ne2 Rfe8 16. Bxf6 Qxf6 17. Qb4 Bb5 18. Qd4 Qe6 19. Qd2 Rad8 20. Qb2 Rd5 21. Rd1 Rxd1+ 22. Kxd1 Ba4+ 23. Ke1 Rd8 24. Qxb7 Rd1+ 25. Kf2 Bc6 26. Qxc7 g5 27. h3 Qf5+ 28. Kg3 Rd3+ 29. Kh2 Rxh3+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.07"]
[Round "4"]
[White "Duran Vega, Andres"]
[Black "Nunez Valverde, Jairo"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1975"]
[PlyCount "106"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. e3 Nf6 4. cxd5 Nxd5 5. Bb5 Bd7 6. Nf3 e6 7. 0-0 a6 8. Bxc6 Bxc6 9. Nbd2 Be7 10. a3 b6 11. Qc2 Bb7 12. b3 0-0 13. Bb2 Rc8 14. Rac1 c5 15. Qd3 cxd4 16. Nxd4 Rxc1 17. Rxc1 Nf6 18. Qe2 Qd5 19. N2f3 Rc8 20. Rxc8+ Bxc8 21. Qc2 Qc5 22. Qxc5 bxc5 23. Nc6 Bd6 24. Be5 Bf8 25. Nd2 Nd7 26. Bc7 f6 27. Nc4 Bb7 28. N6a5 Be4 29. f3 Bd3 30. Kf2 g5 31. e4 g4 32. Ke3 gxf3 33. gxf3 Bb1 34. a4 Bh6+ 35. Ke2 f5 36. Na3 Ba2 37. Kd1 fxe4 38. fxe4 Nf6 39. e5 Nd5 40. Bd6 Ne3+ 41. Ke2 Nd5 42. Bxc5 Bf4 43. h3 Bxe5 44. N5c4 Bf6 45. Nd2 Nf4+ 46. Kd1 Nxh3 47. Kc2 Nf4 48. Ne4 Bg7 49. Nc4 h5 50. Bd6 Nd5 51. Ne5 Ne3+ 52. Kd3 Nf5 53. Bc7 Bb1+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.03"]
[Round "3"]
[White "Redondo Vargas, Diego"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "1975"]
[PlyCount "123"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be3 cxd4 7. Nxd4 Nxd4 8. Qxd4 Nf6 9. Qxd5 Nxd5 10. Bb5+ Bd7 11. Bxd7+ Kxd7 12. Bd2 Be7 13. 0-0 Rhd8 14. c4 Nb4 15. Na3 Nd3 16. Bc3 Bxa3 17. bxa3 f6 18. Rab1 Kc6 19. Rb3 b6 20. Rd1 Nf4 21. Re1 e5 22. g3 Nd3 23. Re3 Nc5 24. Rb1 Rd3 25. Rxd3 Nxd3 26. a4 a5 27. Bd2 Nc5 28. Be3 Nxa4 29. Rb5 Rc8 30. a3 Kb7 31. Bxb6 Nxb6 32. c5 Kc6 33. Rxb6+ Kxc5 34. Rb1 Rc7 35. a4 Kd4 36. Rb5 Ra7 37. Kf1 g6 38. Ke2 f5 39. f3 e4 40. Rb8 exf3+ 41. Kxf3 Rc7 42. Ra8 Rc5 43. Ra7 h5 44. Kf4 Kc4 45. Kg5 Kb4 46. Kxg6 Kxa4 47. Kxh5 Kb4 48. Kg5 a4 49. h4 a3 50. Rb7+ Rb5 51. Ra7 Ra5 52. Rb7+ Ka4 53. Rb1 a2 54. Rf1 Kb3 55. Rf3+ Kc4 56. Rf1 a1Q 57. Rxa1 Rxa1 58. Kxf5 Rh1 59. Kg5 Kd4 60. h5 Ke5 61. h6 Ke6 62. g4 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.02"]
[Round "2"]
[White "Duran Vega, Andres"]
[Black "Needham, Brian"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1975"]
[BlackElo "2005"]
[PlyCount "56"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 a6 5. c5 Bg4 6. Qb3 Qc7 7. e3 Nbd7 8. Bd3 e5 9. Nge2 Bxc5 10. dxc5 Nxc5 11. Qd1 Nfe4 12. Bxe4 dxe4 13. 0-0 h6 14. Bh4 g5 15. Bg3 f5 16. h3 Bh5 17. Qc2 0-0-0 18. Rad1 Qe7 19. Rxd8+ Rxd8 20. Rd1 Nd3 21. Na4 f4 22. Bh2 Nb4 23. Rxd8+ Qxd8 24. Qb3 Bf7 25. Nb6+ Kb8 26. Nd5 Nxd5 27. Qc2 Qa5 28. g4 Qe1+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.01.31"]
[Round "1"]
[White "Gomez Huertas, Stanley"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "E36"]
[WhiteElo "1991"]
[BlackElo "1975"]
[PlyCount "67"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nbd7 7. Nf3 b6 8. cxd5 exd5 9. Qc6 Ba6 10. Bf4 Rc8 11. Rc1 0-0 12. Qa4 Bc4 13. b3 b5 14. Qb4 c5 15. dxc5 a5 16. Qc3 Ne4 17. Qb2 Ndxc5 18. bxc4 bxc4 19. g3 Nb3 20. Rd1 a4 21. Bh3 Qa5+ 22. Kf1 f5 23. Qe5 Nc3 24. Bxf5 Nxd1 25. Bxh7+ Kxh7 26. Qh5+ Kg8 27. Ng5 Rxf4 28. gxf4 Qc7 29. Qh7+ Kf8 30. Ne6+ Kf7 31. Nxc7 Rxc7 32. Rg1 Ke6 33. Rg6+ Kd7 34. Rxg7+ 1-0

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.07"]
[Round "9"]
[White "Restrepo Herrera, Juan Cam"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "B50"]
[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. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. Ng5 e6 5. d3 Be7 6. Nf3 Nf6 7. Bg5 a6 8. c3 b5 9. Bb3 Bb7 10. Nbd2 Rc8 11. d4 cxd4 12. cxd4 Na5 13. Bc2 Nxe4 14. h3 Nxd2 15. Qxd2 Bxf3 16. gxf3 0-1

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.06"]
[Round "8"]
[White "Duran Vega, Andres"]
[Black "Bolanos, Joan Camilo"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "84"]
[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 e6 4. d3 Nf6 5. g3 Be7 6. Bg2 0-0 7. 0-0 Nc6 8. Bf4 a6 9. Re1 Re8 10. e5 dxe5 11. Nxe5 Nxe5 12. Bxe5 Bd6 13. Bxf6 Qxf6 14. Ne4 Qe7 15. Nxd6 Qxd6 16. Qh5 Rb8 17. Qe5 Qxe5 18. Rxe5 b6 19. Bc6 Rd8 20. f4 Bb7 21. Bxb7 Rxb7 22. Rae1 g6 23. g4 Rbd7 24. f5 exf5 25. gxf5 Kg7 26. fxg6 hxg6 27. Re7 Kf6 28. Rxd7 Rxd7 29. Re4 Re7 30. Kf2 Rxe4 31. dxe4 Ke5 32. Ke3 g5 33. h3 f6 34. c4 b5 35. cxb5 axb5 36. Kf3 Kd4 37. b3 c4 38. bxc4 bxc4 39. Ke2 Kxe4 40. Kd2 f5 41. a4 Kd5 42. Kc3 f4 0-1

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "7"]
[White "Acevedo, Johan Sebastian"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2185"]
[PlyCount "101"]
[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. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. a3 Bxc3 6. bxc3 0-0 7. Bg2 d6 8. d4 Bd7 9. 0-0 Re8 10. Bg5 exd4 11. cxd4 h6 12. Bxf6 Qxf6 13. e3 Bg4 14. Rb1 Rab8 15. Rb5 a6 16. Rd5 Be6 17. Qc2 Bxd5 18. cxd5 Ne7 19. Nd2 c6 20. dxc6 bxc6 21. Qa4 d5 22. Qxa6 Ra8 23. Qd3 Qd6 24. Ra1 Ra7 25. e4 Ng6 26. e5 Qe7 27. a4 Rea8 28. Qc3 Rxa4 29. Rxa4 Rxa4 30. Qxc6 Ra1+ 31. Nf1 Qe6 32. Bxd5 Qxc6 33. Bxc6 Rd1 34. d5 Nxe5 35. Kg2 Nxc6 36. dxc6 Rc1 37. Ne3 Rxc6 38. h4 Kf8 39. Kf3 Rf6+ 40. Ke2 Re6 41. f4 Ke7 42. Kf3 Rxe3+ 43. Kxe3 f5 44. Kd4 Kd6 45. h5 Ke6 46. Kc5 Kf7 47. Kd5 Kf6 48. Kd6 g5 49. hxg6 Kxg6 50. Ke6 h5 51. Ke5 1-0

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "6"]
[White "Juez, Jhon Alexander"]
[Black "Duran Vega, Andres"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2113"]
[PlyCount "74"]
[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 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 d6 6. h3 0-0 7. Be3 a6 8. a3 Na5 9. Ba2 b5 10. b4 Nb7 11. Nd5 Nxd5 12. Bxd5 Qd7 13. Bg5 Bxg5 14. Nxg5 h6 15. Nf3 c6 16. Ba2 Qe7 17. 0-0 Be6 18. c4 Rac8 19. Qe2 Rfd8 20. Rfc1 f6 21. d4 c5 22. d5 Bd7 23. Nd2 Rc7 24. Bb3 Rdc8 25. Rc2 cxb4 26. axb4 bxc4 27. Rxc4 Bb5 28. Rxc7 Qxc7 29. Qe3 Qc3 30. Re1 Qxe3 31. Rxe3 Rc1+ 32. Kh2 a5 33. bxa5 Nxa5 34. Kg3 h5 35. f4 Nxb3 36. Rxb3 Rc2 37. Rxb5 Rxd2 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "5"]
[White "Duran Vega, Andres"]
[Black "Valencia, Andres Felipe"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "2052"]
[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. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Nc3 Be7 6. Be2 0-0 7. 0-0 Nc6 8. Bg5 Ne4 9. Bxe7 Nxc3 10. Bxd8 Nxd1 11. Bxc7 Nxb2 12. Rab1 Nc4 13. c3 Nb6 14. Bb5 Bd7 15. Rfe1 Rfc8 16. Bxb6 axb6 17. Bxc6 Bxc6 18. Rxb6 Rxa2 19. Ne5 Re8 20. Kf1 Ra6 21. Rxa6 Bb5+ 22. Kg1 Bxa6 23. f4 f6 24. Nf3 Rc8 25. Re3 Kf7 26. Kf2 Re8 27. Nd2 Rxe3 28. Kxe3 Ke6 29. Nb3 b6 30. g4 g6 31. h4 f5 32. Kf3 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "4"]
[White "Pardo, Javier Andres"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2167"]
[PlyCount "73"]
[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 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Bg5 13. a4 Rb8 14. axb5 axb5 15. g3 Ne7 16. Ncb4 Bb7 17. Bg2 Nxd5 18. Nxd5 Bxd5 19. Qxd5 Qb6 20. 0-0 Rfd8 21. Rfd1 Rbc8 22. Ra3 b4 23. Rb3 Rc5 24. Qd3 Rb5 25. Bf1 Ra5 26. Rxb4 Qa7 27. Rb5 Ra1 28. Qd5 Rxd1 29. Qxd1 Rb8 30. Qxd6 Rxb5 31. Bxb5 Qa1+ 32. Kg2 Qa8 33. Qxe5 h6 34. Qe8+ Qxe8 35. Bxe8 Kf8 36. Ba4 Ke7 37. f4 1-0

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.03"]
[Round "3"]
[White "Duran Vega, Andres"]
[Black "Smith, Vandoff"]
[Result "1-0"]
[ECO "C67"]
[PlyCount "85"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nf6 6. Nxe5 Be7 7. Nc3 0-0 8. d3 Nxe5 9. Rxe5 Re8 10. Bg5 c6 11. Ba4 d6 12. Re2 Be6 13. Bb3 Qa5 14. Bxf6 Bxf6 15. Bxe6 fxe6 16. Qe1 Bxc3 17. Qxc3 Qxc3 18. bxc3 Re7 19. Rae1 e5 20. d4 Rae8 21. Re4 b5 22. f4 Kf7 23. dxe5 dxe5 24. fxe5 a5 25. Kf2 Kg6 26. g4 Kg5 27. Kg3 b4 28. h4+ Kg6 29. cxb4 axb4 30. Rxb4 Rxe5 31. Rxe5 Rxe5 32. a4 h5 33. Rc4 Re6 34. a5 hxg4 35. Rxg4+ Kh7 36. Ra4 Re7 37. a6 Ra7 38. Kf4 Kg8 39. Ke5 Kf8 40. Kd6 Ke8 41. Kxc6 Kd8 42. Kb6 Ra8 43. Kb7 1-0

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "2"]
[White "Arias, Pablo"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2078"]
[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. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. f3 a6 8. Na3 b5 9. Nd5 Be7 10. c4 b4 11. Nc2 a5 12. Be3 0-0 13. Be2 Ba6 14. 0-0 Nxd5 15. cxd5 Bxe2 16. Qxe2 Nb8 17. Bf2 Nd7 18. Ne3 Bg5 19. Nf5 Qf6 20. Be3 Bxe3+ 21. Nxe3 Qd8 22. Rac1 Rc8 23. Kh1 Rc5 24. Nf5 Qb6 25. f4 exf4 26. Qg4 g6 27. Ne7+ Kh8 28. Qxd7 Rxc1 29. Rxc1 Qe3 30. Rg1 Qxe4 31. Qxd6 Re8 32. Qf6# 1-0

[Event "Pan American-ch U12"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "1"]
[White "Duran Vega, Andres"]
[Black "Aguirre, Andres"]
[Result "1-0"]
[ECO "B50"]
[BlackElo "2198"]
[PlyCount "75"]
[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 a6 4. d3 Nf6 5. g3 Bg4 6. Bg2 Qd7 7. Bf4 e5 8. Be3 Be7 9. Qd2 d5 10. Nxe5 Qe6 11. Nxg4 Nxg4 12. Nxd5 Qe5 13. Bf4 Qxb2 14. 0-0 0-0 15. Nxe7+ Kh8 16. Rab1 Qxa2 17. Rxb7 a5 18. Rxb8 Raxb8 19. Bxb8 Rxb8 20. Qf4 Ra8 21. Qxg4 a4 22. e5 Re8 23. Bc6 Rd8 24. Qxa4 Qxa4 25. Bxa4 Ra8 26. Rb1 g6 27. Bc6 Ra7 28. Rb8+ Kg7 29. Rg8+ Kh6 30. Nd5 Ra1+ 31. Kg2 Re1 32. Nf6 Kg5 33. f4+ Kh6 34. h4 Re2+ 35. Kf3 Rf2+ 36. Kxf2 c4 37. dxc4 g5 38. hxg5# 1-0

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "4"]
[White "Diaz, Cristian Camilo"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "B62"]
[PlyCount "33"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[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 Nf6 5. Nc3 e6 6. Be2 d6 7. Bg5 Be7 8. Qd2 Bd7 9. 0-0-0 Rc8 10. Ndb5 d5 11. Bxf6 Bxf6 12. Nd6+ Kf8 13. Nxc8 Bxc8 14. exd5 e5 15. Ne4 Nd4 16. Nxf6 Qxf6 17. Bf3 1-0

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "9"]
[White "Duran Vega, Andres"]
[Black "Azua Avila, Vicente"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "22"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Qc2 c5 7. Bd3 cxd4 8. Nxd4 Nxe4 9. Nxe4 Bxd4 10. Bh6 Re8 11. 0-0 Nc6 0-1

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "3"]
[White "Duran Vega, Andres"]
[Black "Fiora, Emilio"]
[Result "1/2-1/2"]
[ECO "D07"]
[BlackElo "1702"]
[PlyCount "76"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 dxc4 5. e3 Bg4 6. Bxc4 e6 7. Bd2 Bb4 8. 0-0 0-0 9. a3 Bxc3 10. Bxc3 Ne4 11. h3 Bh5 12. Bd3 Nxc3 13. bxc3 Qf6 14. Rb1 Rab8 15. e4 Bxf3 16. Qxf3 Qxf3 17. gxf3 Ne7 18. Kh2 Ng6 19. Rg1 e5 20. d5 Nf4 21. Rbd1 b5 22. Bf1 a6 23. d6 c5 24. c4 Rfd8 25. cxb5 axb5 26. Rb1 Rxd6 27. Rxb5 Rxb5 28. Bxb5 Rd2 29. Kg3 h5 30. h4 Ne6 31. Rc1 Rb2 32. Bd7 Nd4 33. Rxc5 Rb3 34. Rxe5 Rxf3+ 35. Kg2 Rxa3 36. Rxh5 Ne2 37. Rb5 Nf4+ 38. Kh2 Nd3 1/2-1/2

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "5"]
[White "Duran Vega, Andres"]
[Black "Heras Bolanos, Jhann"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "65"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. Be3 Qc7 8. Qd2 Nbd7 9. Bh6 c5 10. Bxg7 Kxg7 11. d5 a6 12. a4 b6 13. Na2 Nxe4 14. Qe3 Nef6 15. c4 Bb7 16. Ng5 b5 17. Qxe7 Kg8 18. Ne4 Nxe4 19. Qxe4 Rae8 20. Qc2 bxa4 21. Nc3 Nb6 22. Nxa4 Nxa4 23. Rxa4 Qd7 24. Raa1 Qf5 25. Rfe1 g5 26. Bf3 Bc8 27. Qa4 Re5 28. Rxe5 Qxe5 29. Qc2 Re8 30. Qd2 h6 31. g3 Bh3 32. Bg2 Bxg2 33. Kxg2 0-1

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "7"]
[White "Duran Vega, Andres"]
[Black "Posada, Juan Manuel"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "46"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 0-0 6. Bd2 Nbd7 7. Qc2 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 c5 11. Rac1 Re8 12. Rfe1 Rc8 13. Qb1 Bf8 14. e4 cxd4 15. Nxd4 dxe4 16. Nxe4 Rxc1 17. Bxc1 Nxe4 18. Bxe4 Nc5 19. Bxh7+ Kh8 20. Rxe8 Qxe8 21. Bd3 Qe1+ 22. Bf1 Ne4 23. Qc2 Ba6 0-1

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "1"]
[White "Duran Vega, Andres"]
[Black "Salazar, Jesus Pedro"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "93"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bf4 Nbd7 6. e3 Bb4 7. Qc2 0-0 8. a3 Bxc3+ 9. Qxc3 Re8 10. Qc2 b6 11. cxd5 cxd5 12. Bd3 g6 13. 0-0 Bb7 14. Bg5 Rc8 15. Qa4 a5 16. Bb5 Ba8 17. Bxf6 Nxf6 18. Bxe8 Nxe8 19. Rac1 Nd6 20. Rxc8 Qxc8 21. Qd1 f6 22. Qc1 Qd7 23. Qc2 Bb7 24. Rc1 Ne8 25. Qb3 Qd6 26. Qa4 Qd8 27. b4 Nd6 28. bxa5 bxa5 29. Nd2 Kf7 30. Qc2 Ne8 31. Nb3 f5 32. Qc5 a4 33. Na5 Ba6 34. Nc6 Qd6 35. Ne5+ Ke7 36. Qxd6+ Nxd6 37. Rc7+ Ke8 38. Rxh7 g5 39. f3 Bc4 40. Rg7 f4 41. exf4 gxf4 42. h4 Nf5 43. Rg8+ Ke7 44. h5 Nxd4 45. h6 Ne2+ 46. Kf2 d4 47. h7 1-0

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "8"]
[White "Esquivel, Esteban"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "109"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 e6 7. Bb5 Bd7 8. Bg5 Be7 9. 0-0 a6 10. Ba4 b5 11. Bc2 0-0 12. Re1 Qc7 13. e5 Nd5 14. Qd3 g6 15. Nxd5 exd5 16. Bf6 Bxf6 17. exf6 Qd8 18. Qb3 Qxf6 19. Qxd5 Ne7 20. Qg5 Qxg5 21. Nxg5 Nf5 22. Nf3 Rac8 23. Rac1 Rfe8 24. Rxe8+ Rxe8 25. Kf1 Be6 26. b3 Kg7 27. Bd3 Rc8 28. Rxc8 Bxc8 29. Ke2 Kf6 30. h3 h5 31. g3 b4 32. Bc4 Bb7 33. d5 Ne7 34. Ne1 Nxd5 35. Bxd5 Bxd5 36. Nd3 a5 37. Nf4 Be4 38. Nd3 g5 39. f3 Bxd3+ 40. Kxd3 Ke5 41. Ke3 f5 42. f4+ gxf4+ 43. gxf4+ Kd5 44. h4 Kc5 45. Kd3 d5 46. Ke3 d4+ 47. Kd3 Kd5 48. Kc2 Ke4 49. Kd2 Kxf4 50. Kd3 Ke5 51. Ke2 Ke4 52. Kd2 f4 53. Kc2 d3+ 54. Kd1 f3 55. Ke1 0-1

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "2"]
[White "Vidaurre, Luis"]
[Black "Duran Vega, Andres"]
[Result "0-1"]
[ECO "E20"]
[PlyCount "85"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Bd2 d5 5. cxd5 Bxc3 6. Bxc3 Qxd5 7. Nf3 Nc6 8. e3 0-0 9. Be2 b6 10. 0-0 Bb7 11. Re1 Ne7 12. Bb4 Rfe8 13. Bf1 Qh5 14. Ne5 Qxd1 15. Rexd1 Ned5 16. Be1 Rac8 17. Rac1 Red8 18. Nd3 a5 19. Ne5 Nd7 20. Nc6 Bxc6 21. Rxc6 Nb4 22. Bxb4 axb4 23. Rdc1 Ra8 24. Bc4 Rdc8 25. Bb3 Ra7 26. R1c4 Nb8 27. g3 Nxc6 28. Rxc6 Kf8 29. Kf1 Ke7 30. Ke1 Kd7 31. d5 exd5 32. Bxd5 Rxa2 33. Rc2 Ra1+ 34. Ke2 f6 35. Bg2 c5 36. Bh3+ Kc7 37. Bxc8 Kxc8 38. Kd3 Rd1+ 39. Ke4 Kc7 40. f4 Kc6 41. g4 b5 42. b3 c4 43. Kf5 0-1

[Event "Pan American-ch U10"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "6"]
[White "Zuchovicki Zaritsky, Axel"]
[Black "Duran Vega, Andres"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "67"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. Nf3 d6 4. h3 Nf6 5. d3 e6 6. Bf4 Be7 7. Be2 a6 8. Nbd2 Bd7 9. 0-0 0-0 10. Nb3 b5 11. Qc2 Rc8 12. Rfd1 Qc7 13. Rac1 Rfd8 14. Be3 a5 15. a3 a4 16. Nbd2 d5 17. d4 c4 18. e5 Ne8 19. Ng5 g6 20. Rf1 Ng7 21. Qd1 Na5 22. Ngf3 Nf5 23. Bg5 Bc6 24. g4 Bxg5 25. Nxg5 Ng7 26. f4 Nb3 27. Nxb3 axb3 28. Qe1 h6 29. Nf3 Qe7 30. Qh4 Qxh4 31. Nxh4 Bd7 32. Nf3 Rf8 33. h4 g5 34. h5 1/2-1/2

