[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.31"]
[Round "9.9"]
[White "Guerrero Corniel, Christian"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1677"]
[BlackElo "1793"]
[PlyCount "76"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. h3 Nbd7 4. Bf4 c6 5. c4 g6 6. Nc3 Bg7 7. e4 0-0 8. Qc2 Nh5 9. Bh2 e5 10. 0-0-0 Qe7 11. dxe5 dxe5 12. g3 a6 13. Nd2 b5 14. f4 b4 15. Ne2 a5 16. f5 Bh6 17. Bg2 a4 18. Kb1 b3 19. axb3 Bxd2 20. Rxd2 axb3 21. Qxb3 gxf5 22. Qe3 Nc5 23. Rf1 Qa7 24. Nc1 Nxe4 25. Qe2 Nxd2+ 26. Qxd2 Qc7 27. Qg5+ Ng7 28. Qf6 Ra6 29. c5 Ne8 30. Qg5+ Kh8 31. g4 f4 32. Be4 f6 33. Qh4 Be6 34. Rd1 Qa7 35. Kc2 Qxc5+ 36. Kb1 Qa7 37. Kc2 Ra4 38. Bg1 Qg7 0-1

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.30"]
[Round "8.8"]
[White "Marquez, Juan"]
[Black "Calero, Hector Andres"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1793"]
[BlackElo "1797"]
[PlyCount "56"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. 0-0 Ngf6 8. c3 Bd6 9. Qb3 0-0 10. Bg5 Bxf3 11. Rxf3 Qc7 12. Nd2 b5 13. Be2 Rae8 14. Qc2 h6 15. Bxf6 Nxf6 16. Raf1 a6 17. Kh1 Re7 18. d5 cxd5 19. Rxf6 gxf6 20. exd5 f5 21. Qxf5 Qd7 22. Qf6 e4 23. Qxh6 f5 24. h3 Rh7 25. Qg5+ Rg7 26. Qe3 Be7 27. Qd4 Bf6 28. Qc5 Be7 1/2-1/2

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.30"]
[Round "7.12"]
[White "Viacaba Benavides, Aldo Renzo"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "1793"]
[PlyCount "68"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Nb3 Nf6 7. Bd3 b5 8. 0-0 Bb7 9. f3 d6 10. Re1 Be7 11. a3 Nbd7 12. Be3 0-0 13. Qd2 Nc5 14. Nxc5 dxc5 15. Qf2 Rac8 16. Red1 c4 17. Bf1 Bd6 18. Rxd6 Qxd6 19. Rd1 Qe7 20. g3 Rfd8 21. Bc5 Qe8 22. Rxd8 Qxd8 23. Bb6 Qe7 24. Ba5 Nd7 25. Bb4 Qf6 26. Bg2 h6 27. Qa7 Bc6 28. Qxa6 Qd8 29. Nxb5 Nb8 30. Qa7 Bxb5 31. Qb7 Ba6 32. Qa7 Qd1+ 33. Bf1 c3 34. Bxc3 Qxf1# 0-1

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.29"]
[Round "5.11"]
[White "Marquez, Juan"]
[Black "Inciso Vera, Luis Angel"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1793"]
[BlackElo "1435"]
[PlyCount "62"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Bc4 Nd7 8. d4 e6 9. Be3 Ngf6 10. Qe2 Bb4+ 11. Bd2 Qa5 12. Bxb4 Qxb4+ 13. c3 Qd6 14. 0-0 0-0 15. Ne5 Bh7 16. Rad1 Qc7 17. Rfe1 c5 18. Nxd7 Nxd7 19. dxc5 Nxc5 20. Qg4 Rfe8 21. Nh5 Bg6 22. Nf4 Bf5 23. Qf3 Qc6 24. Qxc6 bxc6 25. Ne2 Be4 26. b4 Na4 27. Bb3 Nb6 28. c4 Red8 29. Nd4 g6 30. Nxc6 Rdc8 31. Ne7+ Kh7 1-0

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.29"]
[Round "6.6"]
[White "Marquez, Juan"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1793"]
[BlackElo "2250"]
[PlyCount "100"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b3 Nc6 4. Bb5 e5 5. 0-0 Nf6 6. Re1 Bd7 7. c3 a6 8. Bxc6 Bxc6 9. d4 Qc7 10. d5 Bd7 11. h3 g6 12. Nbd2 Bg7 13. a4 b6 14. Nc4 0-0 15. Bg5 b5 16. Bxf6 Bxf6 17. Nb2 Be7 18. c4 b4 19. Nd3 f5 20. Nd2 Rf7 21. Ra2 Raf8 22. Kh2 Bc8 23. f3 f4 24. Rh1 Bh4 25. Kg1 h5 26. Nf1 Rg7 27. Qe2 Qe7 28. Nf2 Rf6 29. Nh2 g5 30. Kf1 Rfg6 31. Ke1 g4 32. hxg4 hxg4 33. fxg4 Bxg4 34. Nhxg4 Rxg4 35. Kf1 Bxf2 36. Qxf2 Qg5 37. Rh3 Rg3 38. Rd2 Re3 39. Rd3 Rxe4 40. Qc2 Qg6 41. Qf2 Rd4 42. Rxd4 cxd4 43. Qe2 e4 44. Rh4 f3 45. Qf2 e3 46. Qb2 Qd3+ 47. Kg1 f2+ 48. Kh2 f1Q 49. Rxd4 Qh7+ 50. Rh4 Qxh4# 0-1

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.28"]
[Round "4.5"]
[White "Cao, Alvin"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1973"]
[BlackElo "1793"]
[PlyCount "74"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. f3 e5 4. d5 c6 5. Nc3 Be7 6. e4 a5 7. Be3 Nbd7 8. Nh3 h5 9. Be2 Nf8 10. Nf2 Ng6 11. Qd2 h4 12. 0-0 Nh5 13. Rfd1 c5 14. Nb5 Bd7 15. a4 Bxb5 16. axb5 b6 17. Nh3 Kd7 18. Rf1 Kc7 19. b3 Qd7 20. Bd3 Bf6 21. Ra2 Rae8 22. Rd1 Ra8 23. Rc1 Kb7 24. Rcc2 Qd8 25. Ra4 Ne7 26. Rca2 Ng6 27. Bf1 Be7 28. Bd3 Bf6 29. Qc1 Re8 30. Bd2 Qd7 31. Qa3 Nhf4 32. Nxf4 Nxf4 33. Bf1 Ra7 34. b4 cxb4 35. Bxb4 Rea8 36. Bxd6 Ng6 37. c5 bxc5 1-0

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.27"]
[Round "3.7"]
[White "Diaz Contreras, Pedro"]
[Black "Marquez, Juan"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1841"]
[BlackElo "1793"]
[PlyCount "43"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 d6 8. Be3 Be7 9. Rc1 Nbd7 10. f3 0-0 11. 0-0 b6 12. b4 Bb7 13. Qe1 Rfe8 14. Qf2 Rac8 15. Nb3 Bd8 16. Rfd1 Qb8 17. g4 h6 18. h4 Nh7 19. Qh2 Bc7 20. Qg2 Bd8 21. Qh2 Bc7 22. Qg2 1/2-1/2

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.27"]
[Round "2.7"]
[White "Marquez, Juan"]
[Black "Goncalves, Leonardo Yamamoto"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1793"]
[BlackElo "1933"]
[PlyCount "68"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 0-0 8. Bc4 Na5 9. Bb3 b6 10. f3 Bb7 11. 0-0-0 d6 12. h4 Nxb3+ 13. Nxb3 Rc8 14. Bh6 Qc7 15. Bxg7 Kxg7 16. Kb1 a5 17. Nd4 Qc4 18. h5 Rc5 19. hxg6 fxg6 20. g4 Rf7 21. Rh2 Kf8 22. Nce2 e5 23. b3 Qb4 24. Qxb4 axb4 25. Ne6+ Ke7 26. Nxc5 bxc5 27. c3 d5 28. g5 Nh5 29. exd5 Rxf3 30. c4 Kd6 31. Re1 Bc8 32. Kc1 Bf5 33. Rg2 Re3 34. Rgg1 Rf3 1/2-1/2

[Event "Pan American-ch U14 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.26"]
[Round "1.16"]
[White "Maturrano Soria, Rodolfo Stephano"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "1793"]
[PlyCount "52"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 a6 4. 0-0 b5 5. Be2 Bb7 6. d3 Qc7 7. b3 d6 8. c4 bxc4 9. bxc4 Be7 10. Bg5 Bf6 11. Bxf6 Nxf6 12. Nc3 0-0 13. Rb1 Nc6 14. Nh4 Rab8 15. f4 Nd4 16. f5 Qe7 17. fxe6 fxe6 18. Bh5 g5 19. Rxf6 Qxf6 20. Nf3 Nxf3+ 21. Qxf3 Qd4+ 22. Kh1 Rxf3 23. Bxf3 Qxc3 24. e5 Bc8 25. Rf1 Qxd3 26. exd6 Qxf1# 0-1

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.18"]
[Round "11.60"]
[White "Marquez, Juan"]
[Black "Rajesh, Gorak"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1752"]
[BlackElo "1428"]
[PlyCount "50"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. 0-0 Bd6 6. Bf4 Bxf4 7. gxf4 0-0 8. c4 c6 9. Nbd2 Bd7 10. Qb3 b6 11. e3 Be8 12. Ne5 Nfd7 13. cxd5 Nxe5 14. dxe6 Nf7 15. exf7+ Bxf7 16. Qc2 Bd5 17. Bxd5+ cxd5 18. Nf3 Rf6 19. Kh1 Nd7 20. Rac1 Qe8 21. Rg1 Qh5 22. Rg3 Raf8 23. Rcg1 Kh8 24. Qc7 Qe8 25. Ne5 Nxe5 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.17"]
[Round "10.44"]
[White "Pillai, Kadhir A"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2020"]
[BlackElo "1752"]
[PlyCount "75"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[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 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. Be3 Nbd7 10. a4 0-0 11. a5 Qc7 12. f3 Rfc8 13. Rf2 Nc5 14. Bf1 Nfd7 15. Nd5 Bxd5 16. Qxd5 Qc6 17. Qd2 b5 18. axb6 Qxb6 19. Nxc5 dxc5 20. Qxd7 Rc7 21. Qd5 Qxb2 22. Qxa8+ Bf8 23. Rxa6 Qc3 24. Ra3 Qe1 25. Bd2 Qb1 26. Rb3 Qxc2 27. Rb8 h6 28. Rxf8+ Kh7 29. Ba5 Qa4 30. Bxc7 Qxa8 31. Rxa8 c4 32. Bxc4 h5 33. Bxf7 h4 34. Rd2 Kh6 35. Rd6+ Kg5 36. Rg6+ Kf4 37. Kf2 h3 38. g3# 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.16"]
[Round "9.63"]
[White "Marquez, Juan"]
[Black "Vishesh, Agrawal"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1752"]
[BlackElo "1364"]
[PlyCount "79"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[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 bxa4 14. Rxa4 a5 15. Bc4 Rb8 16. b3 Kh8 17. h4 Bh6 18. g4 g6 19. h5 Qg5 20. Nde3 Qf6 21. hxg6 fxg6 22. Qe2 Bf4 23. Nd5 Qg5 24. Nce3 Bxe3 25. Nxe3 Qf4 26. Bd5 Bd7 27. Ra1 Ne7 28. Bc4 Qxe4 29. Rh4 Nf5 30. Nxf5 Bxf5 31. Qxe4 Bxe4 32. Rxa5 Kg7 33. g5 Bf3 34. Ra6 d5 35. Ra7+ Rf7 36. Rxf7+ Kxf7 37. Be2 Bxe2 38. Kxe2 Rxb3 39. Rxh7+ Ke6 40. Rc7 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.15"]
[Round "8.48"]
[White "Kevlishvili, Robby"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1931"]
[BlackElo "1752"]
[PlyCount "71"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[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 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Be7 9. 0-0-0 Nbd7 10. f4 b5 11. Kb1 0-0 12. f5 Bc4 13. g4 Nxg4 14. Rg1 Nxe3 15. Qxe3 Nb6 16. Nd2 Bxf1 17. Rdxf1 Kh8 18. Rf3 Rg8 19. Nd5 Nxd5 20. exd5 h6 21. Ne4 Bf6 22. Rh3 Kh7 23. Qf3 Qe7 24. Rgg3 Rac8 25. Rh5 Rc4 26. b3 Rcc8 27. Qe3 Rh8 28. Qb6 Qc7 29. Rxh6+ Kg8 30. Nxf6+ Kf8 31. Rxh8+ Ke7 32. Qxc7+ Rxc7 33. Ne4 a5 34. Rxg7 a4 35. f6+ Kd7 36. Rxf7# 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.14"]
[Round "7.37"]
[White "Lazov, Toni"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1886"]
[BlackElo "1752"]
[PlyCount "115"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. f4 d6 8. 0-0 Be7 9. Kh1 0-0 10. Qe2 Nbd7 11. Bd2 Nc5 12. e5 Ne8 13. Rf3 Nxd3 14. cxd3 g6 15. Rh3 Ng7 16. Rc1 Qd8 17. Nf3 b6 18. exd6 Qxd6 19. Ne4 Qd7 20. Ne5 Qe8 21. Nc6 Bb7 22. Nxe7+ Qxe7 23. Rc7 Qd8 24. Rd7 Bxe4 25. Rxd8 Bxg2+ 26. Kxg2 Raxd8 27. Bc3 f6 28. Qe4 Rd5 29. Rf3 Kf7 30. Qc4 Nf5 31. Kf2 b5 32. Qc7+ Kg8 33. Qb7 Rf7 34. Qxa6 Rd6 35. Qxb5 Kg7 36. a4 Rfd7 37. a5 Ne7 38. Rh3 Nd5 39. Qc4 Rc7 40. Qa4 Ra6 41. Bd2 h5 42. b4 Rac6 43. b5 Rc2 44. Ke1 Rb2 45. Re3 Rb1+ 46. Kf2 Rb2 47. Re2 Rcc2 48. Kf3 Ra2 49. Qe4 Rcb2 50. b6 Rb3 51. b7 Rxb7 52. Qxe6 Rb5 53. Qd7+ Kh6 54. Qxb5 Ne7 55. Rxe7 Rxd2 56. Qe8 g5 57. Qh8+ Kg6 58. Qh7# 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.12"]
[Round "5.64"]
[White "Marquez, Juan"]
[Black "Kaluarachchi, Achinthya Shamen"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1752"]
[BlackElo "1548"]
[PlyCount "73"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. Nf3 Be7 5. Bg2 Nf6 6. d3 0-0 7. 0-0 Re8 8. Re1 b6 9. e5 Nd5 10. Nc3 Nxc3 11. bxc3 Ba6 12. Nd2 Rc8 13. f4 f6 14. Bb2 b5 15. a4 Qb6 16. axb5 Bxb5 17. c4 Ba4 18. Bc3 Bxc2 19. Rec1 Nb4 20. exf6 Bxf6 21. Bxf6 gxf6 22. Qg4+ Kh8 23. Qh4 Rf8 24. Be4 f5 25. Nf3 Qd8 26. Ng5 Qe7 27. Bg2 Rc7 28. Bf3 Qg7 29. Ra3 Bxd3 30. Rd1 Bxc4 31. Rda1 Bd5 32. Bxd5 Nxd5 33. Rxa7 Rxa7 34. Rxa7 Qd4+ 35. Kg2 Nf6 36. Qh6 Qd6 37. Rxd7 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.12"]
[Round "6.45"]
[White "Marquez, Juan"]
[Black "Merkesvik, Sondre"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1752"]
[BlackElo "1917"]
[PlyCount "53"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Qf3 Nb6 4. b3 g6 5. Bb2 Bg7 6. e6 0-0 7. Bxg7 Kxg7 8. Qc3+ Kg8 9. exf7+ Rxf7 10. Nf3 Rf8 11. h4 d6 12. h5 e5 13. hxg6 hxg6 14. Qe3 Qf6 15. Nc3 Nc6 16. Bd3 Nb4 17. 0-0-0 a5 18. Be4 Bf5 19. a3 Nc6 20. Rh6 Bxe4 21. Nxe4 Qf5 22. Nh4 Qf4 23. Rxg6+ Kh7 24. Ng5+ Kh8 25. Rh1 Qxe3 26. Nf5+ Qh3 27. Rxh3# 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.11"]
[Round "4.43"]
[White "Zhu, Yi"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "1963"]
[BlackElo "1752"]
[PlyCount "115"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nb6 7. Be3 0-0 8. Nf3 Bg4 9. Be2 Nc6 10. d5 Bxf3 11. Bxf3 Ne5 12. Bxb6 cxb6 13. Be2 Rc8 14. Qb3 Nd7 15. 0-0 Nc5 16. Qc2 Qd7 17. Bf3 a6 18. Qe2 h5 19. e5 Qf5 20. Rae1 Qd3 21. e6 fxe6 22. dxe6 Bxc3 23. bxc3 Qxe2 24. Rxe2 Rcd8 25. c4 Rd4 26. Rb2 Rd6 27. Rfb1 Rxf3 28. gxf3 Rxe6 29. Rxb6 Rxb6 30. Rxb6 Kf7 31. f4 e6 32. Kg2 Kf6 33. Rd6 Kf5 34. Kf3 Ne4 35. Rd7 Nf6 36. Rxb7 e5 37. fxe5 Kxe5 38. Rb6 a5 39. Rb5+ Kd4 40. Rxa5 Kxc4 41. Rg5 Nd7 42. Kf4 Nc5 43. Rxc5+ Kxc5 44. Kg5 Kb4 45. Kxg6 Ka3 46. f4 h4 47. f5 h3 48. f6 Kb2 49. f7 Ka3 50. f8Q+ Kb2 51. Qf2+ Ka1 52. a4 Kb1 53. a5 Ka1 54. a6 Kb1 55. a7 Kc1 56. a8R Kb1 57. Ra3 Kc1 58. Ra1# 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.10"]
[Round "3.70"]
[White "Marquez, Juan"]
[Black "Bajc, Aleksander"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1752"]
[PlyCount "79"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[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 a6 6. f3 Qb6 7. a4 Nc6 8. Nxc6 bxc6 9. a5 Qc7 10. Bc4 e6 11. Qe2 Be7 12. Be3 d5 13. Bb3 0-0 14. 0-0 Bb7 15. Bb6 Qd7 16. e5 Ne8 17. Na4 Nc7 18. Nc5 Bxc5+ 19. Bxc5 Rfe8 20. c3 Qd8 21. Bc2 f6 22. Qd3 f5 23. f4 Nb5 24. Rf3 Na7 25. g4 g6 26. Rg3 fxg4 27. Rxg4 Qd7 28. Kh1 Nc8 29. Rag1 Ne7 30. Qg3 d4 31. cxd4 Rac8 32. h3 Kh8 33. Qh4 Kg8 34. Bxg6 hxg6 35. Rxg6+ Nxg6 36. Rxg6+ Qg7 37. Rxg7+ Kxg7 38. Qf6+ Kg8 39. h4 Re7 40. Qg6+ 1-0

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.09"]
[Round "2.69"]
[White "Ahtik, Stas"]
[Black "Marquez, Juan"]
[Result "1/2-1/2"]
[ECO "B40"]
[BlackElo "1752"]
[PlyCount "183"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 Nc6 5. Bg2 d5 6. exd5 exd5 7. 0-0 Nf6 8. d3 Be7 9. Re1 h6 10. d4 0-0 11. Be3 Bg4 12. Qd2 Ne4 13. Nxe4 dxe4 14. Ne5 Nxe5 15. dxe5 Qxd2 16. Bxd2 Bf3 17. Bxf3 exf3 18. h4 Rad8 19. Bc3 b5 20. Ba5 Rd4 21. Re3 b4 22. c3 Rd2 23. Rxf3 Rxb2 24. cxb4 cxb4 25. Rb3 Re2 26. Bc7 Bc5 27. Bd6 Bxd6 28. exd6 Rd2 29. Rxb4 Rd8 30. Rb6 R8xd6 31. Rxd6 Rxd6 32. Kf1 Rd2 33. Ke1 Rc2 34. a3 g6 35. Kf1 Kg7 36. Kg2 a5 37. g4 a4 38. Kg3 h5 39. f3 hxg4 40. fxg4 Rc3+ 41. Kg2 Re3 42. g5 Kf8 43. Rc1 Rxa3 44. Rc8+ Kg7 45. Ra8 Ra1 46. Kf2 a3 47. Kg2 Ra2+ 48. Kg3 Ra1 49. Kg2 a2 50. Kh2 Kh7 51. Ra7 Kg7 52. Ra8 f5 53. Ra7+ Kg8 54. Ra8+ Kf7 55. Ra7+ Ke6 56. Ra6+ Ke7 57. Ra7+ Ke8 58. Ra8+ Kd7 59. Ra7+ Kd8 60. Ra8+ Ke7 61. Ra7+ Ke6 62. Ra6+ Ke5 63. h5 gxh5 64. g6 Rb1 65. Rxa2 Kf6 66. Rg2 Kg7 67. Rg5 Rb5 68. Rxh5 Kxg6 69. Rh8 Kg5 70. Kg2 Rb4 71. Rg8+ Kf4 72. Rh8 Re4 73. Kf2 Kg5 74. Rg8+ Kf6 75. Rf8+ Kg6 76. Kf3 Rb4 77. Rg8+ Kf7 78. Ra8 Rb3+ 79. Kf4 Kf6 80. Rf8+ Kg6 81. Rg8+ Kf6 82. Rf8+ Kg6 83. Rg8+ Kf7 84. Ra8 Rb5 85. Ra7+ Ke6 86. Ra6+ Kf7 87. Ra7+ Ke6 88. Ra6+ Kd7 89. Ra7+ Kc6 90. Ra6+ Rb6 91. Rxb6+ Kxb6 92. Kxf5 1/2-1/2

[Event "Wch U12"]
[Site "Maribor"]
[Date "2012.11.08"]
[Round "1.8"]
[White "Marquez, Juan"]
[Black "Puranik, Abhimanyu Sameer"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1752"]
[BlackElo "2164"]
[PlyCount "82"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. Nf3 Nf6 5. Bg2 d5 6. e5 Nd7 7. 0-0 Be7 8. d3 0-0 9. c4 f6 10. exf6 Nxf6 11. Nc3 Bd6 12. Bg5 d4 13. Ne4 Be7 14. Bxf6 gxf6 15. Ne1 f5 16. Nd2 Bf6 17. f4 Qd6 18. Nef3 Bd7 19. Rae1 Nb4 20. Nb3 Nxa2 21. Ra1 Nb4 22. Ng5 Bxg5 23. fxg5 Bc6 24. Qh5 e5 25. Bh3 Qg6 26. Qe2 Qxg5 27. Nxc5 Qe3+ 28. Qxe3 dxe3 29. Bxf5 Nc2 30. Rae1 Rxf5 31. Rxf5 Nxe1 32. Kf1 Nf3 33. Ke2 Nd4+ 34. Kxe3 Nxf5+ 35. Ke2 Nd4+ 36. Ke3 Rf8 37. b4 Rf3+ 38. Kd2 Rf2+ 39. Ke1 Re2+ 40. Kf1 Bg2+ 41. Kg1 Nf3# 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.08"]
[Round "9"]
[White "Marquez, Juan"]
[Black "Melendez, Roy Daniel"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1711"]
[BlackElo "2381"]
[PlyCount "57"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. d4 dxe4 5. Nxe4 Bxf3 6. gxf3 e6 7. Bf4 Nf6 8. Qd2 Nd5 9. Bg3 h5 10. h4 a5 11. Bd3 Na6 12. a3 Nac7 13. Nc5 Ra7 14. Kf1 Nf6 15. Be4 Bxc5 16. Bxc7 Qxd4 17. Qxd4 Bxd4 18. Rd1 c5 19. c3 b5 20. Bb6 Ra6 21. Bxa5 Rxa5 22. cxd4 Nxe4 23. fxe4 c4 24. d5 e5 25. Rg1 c3 26. bxc3 Rxa3 27. Rg3 Rh6 28. Rb1 Rf6 29. Kg2 1/2-1/2

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.07"]
[Round "8"]
[White "Marquez, Juan"]
[Black "Rojas Moros, Cesar"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1711"]
[PlyCount "78"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. Qd2 Qc7 10. 0-0-0 Be7 11. g4 0-0 12. h4 Rfc8 13. h5 b5 14. Kb1 Nb6 15. g5 Nfd7 16. Qf2 Nc4 17. Bxc4 bxc4 18. Nc1 Rab8 19. Nd5 Bxd5 20. exd5 c3 21. b3 a5 22. f4 a4 23. Rh2 exf4 24. Bxf4 Ne5 25. Bxe5 dxe5 26. g6 hxg6 27. hxg6 Bf6 28. Rdh1 fxg6 29. Nd3 axb3 30. cxb3 e4 31. Ne1 c2+ 32. Qxc2 Qe5 33. Qb2 Qxd5 34. Qd2 Qf5 35. Qe3 Qe5 36. Rh8+ Kf7 37. Qa7+ Rc7 38. Qxc7+ Qxc7 39. Rxb8 Qxb8 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.07"]
[Round "7"]
[White "Oropeza Chirinos, Ramon Jose"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "E69"]
[BlackElo "1711"]
[PlyCount "116"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. e4 Re8 9. Re1 c6 10. h3 Qc7 11. Qc2 Nf8 12. Be3 a6 13. Rac1 b6 14. b4 N6d7 15. a3 Bb7 16. Qd2 f5 17. d5 c5 18. Qe2 Bc8 19. b5 a5 20. Nh4 Nf6 21. Qc2 Qd7 22. Kh2 Nh5 23. Qd2 Qf7 24. f4 Nd7 25. Bf3 exf4 26. gxf4 Bf6 27. Ng2 Ng7 28. e5 dxe5 29. fxe5 Nxe5 30. Be2 Rd8 31. Bg5 Qc7 32. Kh1 Bxg5 33. Qxg5 Bd7 34. Rcd1 Qd6 35. Nf4 Nf7 36. Qg3 Re8 37. Kg2 g5 38. Nh5 f4 39. Qf2 Nxh5 40. Bxh5 Bxh3+ 41. Kxh3 Qh6 42. Kg4 Ne5+ 43. Rxe5 Rxe5 44. Rh1 Qf6 45. Na4 Re3 46. Rh3 Re5 47. Nc3 Rf8 48. Kf3 Re3+ 49. Kg2 Qxc3 50. Rxe3 fxe3 51. Qg3 Qd2+ 52. Kh3 e2 53. Bxe2 Qxe2 54. Qxg5+ Kh8 55. d6 Rf3+ 56. Kh4 Qh2+ 57. Kg4 Qg2+ 58. Kh4 Rh3# 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.06"]
[Round "5"]
[White "Garcia, Edgar"]
[Black "Marquez, Juan"]
[Result "1/2-1/2"]
[ECO "D03"]
[BlackElo "1711"]
[PlyCount "103"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nd7 3. e3 Ngf6 4. Bd3 e6 5. Nf3 Be7 6. Nbd2 c5 7. c3 0-0 8. 0-0 b6 9. Re1 Bb7 10. e4 Nxe4 11. Nxe4 dxe4 12. Bxe7 Qxe7 13. Bxe4 Bxe4 14. Rxe4 Nf6 15. Re1 Rfd8 16. Qb3 Qc7 17. Rad1 h6 18. Qc2 Rd7 19. dxc5 Rxd1 20. Rxd1 Qxc5 21. Qe2 Qc7 22. h3 Rd8 23. Rxd8+ Qxd8 24. Nd4 Qd5 25. a3 Nd7 26. Qa6 Qa8 27. Nb5 Nc5 28. Qxa7 Qxa7 29. Nxa7 Na4 30. Nc8 b5 31. Nd6 Nxb2 32. Nxb5 Kf8 33. Kf1 Ke7 34. Ke2 Kd7 35. Kd2 Kc6 36. Nd4+ Kc5 37. Kc2 Nc4 38. a4 Kb6 39. Kb3 Nd2+ 40. Kb4 Ne4 41. a5+ Ka6 42. f3 Nf6 43. Nb3 Nd5+ 44. Kc5 Nxc3 45. Kb4 Nd5+ 46. Kc5 Nf4 47. Kd6 Nxg2 48. Ke7 Nf4 49. Kxf7 Nxh3 50. Kxg7 h5 51. Kf6 h4 52. Nd2 1/2-1/2

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.06"]
[Round "6"]
[White "Marquez, Juan"]
[Black "Gomez, Alexis"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1711"]
[BlackElo "1659"]
[PlyCount "90"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d5 6. e5 Nfd7 7. f4 Qb6 8. c3 Nc6 9. Nb3 a5 10. Qe2 Nc5 11. Bb5 a4 12. Nd4 Bd7 13. Be3 Ra5 14. Na3 Nxd4 15. Bxd7+ Nxd7 16. Bxd4 Bc5 17. Rd1 Nb8 18. 0-0 Nc6 19. Bxc5 Qxc5+ 20. Kh1 0-0 21. Rf3 f6 22. exf6 Rxf6 23. Re3 Rxf4 24. Rxe6 Ra8 25. Re8+ Rxe8 26. Qxe8+ Rf8 27. Qe6+ Kh8 28. h3 d4 29. cxd4 Nxd4 30. Qd7 Nf5 31. Qd3 Qf2 32. Nc4 h5 33. Ne5 Rf6 34. Qd8+ Kh7 35. Qe8 Ng3+ 36. Kh2 Qf4 37. Nf3 h4 38. Rd4 Qxd4 39. Ng5+ Kh6 40. Nf7+ Rxf7 41. Qxf7 Qe5 42. Qxb7 Ne2+ 43. Kh1 Qe3 44. Qc6+ g6 45. Qe4 Qg1# 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.06"]
[Round "4"]
[White "Marquez, Juan"]
[Black "Rivas Cabrera, Edgar"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1711"]
[PlyCount "80"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bc4 cxd4 6. Nxd4 Qc5 7. Bxf7+ Kxf7 8. Be3 Qa5 9. 0-0 Nc6 10. Ndb5 Bxc3 11. Nxc3 Nf6 12. f4 d6 13. h3 h5 14. a4 Be6 15. Qf3 h4 16. Ne2 Qh5 17. Nd4 Qxf3 18. Nxf3 Nxe4 19. Ng5+ Nxg5 20. fxg5+ Bf5 21. c3 e5 22. Rad1 Ke6 23. b4 a6 24. Rd2 Nd8 25. c4 Nf7 26. Bb6 Nxg5 27. Rfd1 Ne4 28. Rd5 Rac8 29. c5 dxc5 30. bxc5 Rhe8 31. Bd8 Rxc5 32. Rxc5 Nxc5 33. Bxh4 Nxa4 34. Bd8 Nc3 35. Rd2 Nd5 36. Bg5 Rc8 37. g4 Bc2 38. Kf1 b5 39. Ke1 b4 40. Re2 b3 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.05"]
[Round "3"]
[White "Ortega Amarelle, Mariano"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2459"]
[BlackElo "1711"]
[PlyCount "109"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. d4 exd4 7. Nxd4 0-0 8. 0-0 Nbd7 9. Qc2 Ne5 10. b3 c6 11. Bb2 Qe7 12. Rad1 Rd8 13. Rfe1 Qc7 14. h3 Be6 15. e4 Nh5 16. f4 Nxg3 17. fxe5 Bxe5 18. Nxe6 fxe6 19. Na4 Qg7 20. Bxe5 Qxe5 21. Qc3 Qf4 22. Nb2 Rf8 23. Qe3 e5 24. Rxd6 Rf7 25. Nd3 Qh4 26. Nxe5 Rf4 27. Nf3 Qh6 28. Rf6 Rf8 29. Qxf4 Qxf4 30. Rxf4 Rxf4 31. e5 Re4 32. Kf2 Rxe1 33. Nxe1 Nf5 34. Nd3 Nd4 35. Ke3 Ne6 36. h4 Kf7 37. Bh3 Nc7 38. Kf4 h6 39. Bc8 b6 40. Nb4 c5 41. Nd5 Ne6+ 42. Bxe6+ Kxe6 43. Ke4 g5 44. hxg5 hxg5 45. Ne3 a6 46. a4 Kd7 47. Kf5 Kc6 48. e6 b5 49. axb5+ axb5 50. cxb5+ Kxb5 51. e7 Kb4 52. e8Q Kxb3 53. Qb5+ Ka3 54. Nc4+ Ka2 55. Qb2# 1-0

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.04"]
[Round "1"]
[White "Marquez, Juan"]
[Black "Ramos, Marcos"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1711"]
[PlyCount "134"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Re1 Qc7 13. Qc2 h6 14. a3 Bd7 15. Ng3 Rac8 16. Bd2 Ng4 17. Rac1 Qb6 18. Bc3 e5 19. dxe5 Ncxe5 20. Qe2 Nxd3 21. Qxd3 Qxf2+ 22. Kh1 Rxc3 23. Qxd5+ Kh8 24. bxc3 Bxg3 25. Rf1 Qe3 26. hxg3 Nf2+ 27. Rxf2 Qxc1+ 28. Kh2 Bc6 29. Qc5 Re8 30. Ne5 Qb1 31. Nxc6 bxc6 32. Qxc6 Qb8 33. Rf7 Re5 34. Qg6 Rg5 35. Qc2 Qxg3+ 36. Kg1 Qe1+ 37. Rf1 Qe3+ 38. Qf2 Qxf2+ 39. Rxf2 Ra5 40. c4 Rxa3 41. Rc2 Ra6 42. c5 Rc6 43. Kf2 Kg8 44. Ke3 Kf7 45. Kd4 Ke6 46. Re2+ Kd7 47. Kd5 Rf6 48. Ra2 a6 49. Rb2 Rf5+ 50. Kd4 Rg5 51. Ra2 h5 52. Ke4 Rxc5 53. Rxa6 Ke7 54. Kf4 Kf7 55. Kg3 Rc4 56. Kh3 g6 57. g3 Kg7 58. Rb6 Kh6 59. Ra6 Re4 60. Rb6 Kg5 61. Rb5+ Kf6 62. Rb6+ Kf5 63. Rb5+ Re5 64. Rxe5+ Kxe5 65. g4 h4 66. Kxh4 Kf4 67. g5 Kf5 1/2-1/2

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.04"]
[Round "2"]
[White "Romero, Guillermo"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "A08"]
[BlackElo "1711"]
[PlyCount "118"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 c5 3. Nbd2 Nc6 4. g3 Nf6 5. Bg2 e5 6. 0-0 Bd6 7. e4 dxe4 8. dxe4 0-0 9. Re1 Qe7 10. c3 Rd8 11. Qe2 Rb8 12. a4 a6 13. Nc4 Bc7 14. Bg5 Be6 15. Ne3 h6 16. Bxf6 Qxf6 17. Red1 Ne7 18. Rxd8+ Rxd8 19. Rd1 Bb3 20. Rxd8+ Bxd8 21. Qd2 Nc6 22. Nf5 Bxa4 23. Qd7 b6 24. Nd2 Qe6 25. Qxe6 fxe6 26. Ne3 Na5 27. Nec4 Nxc4 28. Nxc4 Bc7 29. Nd2 Bc2 30. Bf1 b5 31. Bg2 a5 32. Kf1 b4 33. cxb4 cxb4 34. Ke1 a4 35. Bf1 b3 36. Bc4 Kf7 37. Ke2 Ba5 38. Nxb3 axb3 39. f3 Bb6 40. Kd2 Bd4 41. Bd3 Bxd3 42. Kxd3 Bxb2 43. Kc4 Bd4 44. Kxb3 Bg1 45. h3 Bf2 46. g4 Kf6 47. Kc4 Kg5 48. Kb5 Kf4 49. Kc6 Kxf3 50. Kd7 Kxe4 51. Kxe6 Kf4 52. Kf7 e4 53. Kxg7 e3 54. Kxh6 Bh4 55. Kh5 e2 56. g5 Bxg5 57. h4 Bxh4 58. Kxh4 e1Q+ 59. Kh5 Qe6 0-1

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Marquez, Juan"]
[Black "Pereira, Rubiel"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1682"]
[PlyCount "40"]
[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. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. 0-0 Nf6 5. d4 exd4 6. e5 d5 7. exf6 dxc4 8. fxg7 Rg8 9. Re1+ Be7 10. Bg5 Rxg7 11. Bxe7 Nxe7 12. Qxd4 Qxd4 13. Nxd4 c6 14. Nd2 Kf8 15. Nxc4 Rg4 16. c3 c5 17. f3 Rf4 18. g3 Rf6 19. Nb3 Rxf3 20. Nxc5 Rf6 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Marquez, Juan"]
[Black "Murgueitio, Juan Camilo"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1682"]
[PlyCount "75"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. d3 b5 7. Bb3 d5 8. exd5 Nxd5 9. h3 0-0 10. a4 b4 11. Nbd2 Nd4 12. Nxe5 Nxb3 13. Nxb3 Bb6 14. a5 Ba7 15. Nf3 Re8 16. d4 Bb7 17. Re1 Rxe1+ 18. Qxe1 Nf6 19. Qxb4 Bxf3 20. gxf3 Nd5 21. Qc4 Rc8 22. Qxa6 Bb8 23. Qc4 c6 24. Qf1 Nf4 25. Bxf4 Bxf4 26. c3 Qg5+ 27. Qg2 Qd5 28. Qg4 Ra8 29. Qxf4 Qxb3 30. Qd2 Qb5 31. b4 Rd8 32. Qe3 h6 33. Qe7 Rf8 34. a6 Ra8 35. Qb7 Qg5+ 36. Kf1 Qb5+ 37. Qxb5 cxb5 38. Ke2 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Marquez, Juan"]
[Black "Herrera Robles, Sergio"]
[Result "1/2-1/2"]
[ECO "C93"]
[WhiteElo "1682"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Be7 7. Re1 0-0 8. h3 d6 9. c3 h6 10. d4 Bb7 11. Nbd2 Re8 12. Nf1 Bf8 13. Ng3 Nh7 14. a4 Na5 15. Bc2 Nc4 16. Bd3 Qd7 17. Qb3 Na5 18. Qa2 bxa4 19. Qxa4 Qxa4 20. Rxa4 Nc6 21. Nf5 Nf6 22. Rc4 exd4 23. N3xd4 Nxd4 24. cxd4 c5 25. e5 dxe5 26. Rxe5 Rxe5 27. dxe5 Ne8 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Pereira, Rubiel"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "B43"]
[BlackElo "1682"]
[PlyCount "47"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 Qc7 7. Be2 Be7 8. 0-0 0-0 9. Nb3 Nc6 10. Be3 d6 11. f3 b5 12. Qd2 Bb7 13. Rfd1 Rfd8 14. Rac1 Ne5 15. Qd4 Rac8 16. Qb6 Qb8 17. Na5 Rd7 18. Nxb7 Qxb7 19. Qxb7 Rxb7 20. Bd4 Nfd7 21. b3 Rcb8 22. g3 Nxf3+ 23. Bxf3 e5 24. Nd5 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Marquez, Juan"]
[Black "Chong Chinchay, Eric Joel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1682"]
[BlackElo "1848"]
[PlyCount "59"]
[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. Bb5 e6 4. Nc3 Nge7 5. d4 cxd4 6. Nxd4 Ng6 7. Bxc6 bxc6 8. 0-0 Ba6 9. Re1 Bb4 10. Be3 0-0 11. Qd2 Ne5 12. Rad1 Nc4 13. Qc1 Qc7 14. Nde2 f5 15. exf5 e5 16. a3 Be7 17. Ng3 d5 18. Bg5 Bxg5 19. Qxg5 Nxb2 20. Rb1 Nc4 21. Nh5 Qf7 22. Na4 g6 23. Nc5 Bc8 24. fxg6 Qxg6 25. Qxg6+ hxg6 26. Ng3 Nxa3 27. Rb2 Bf5 28. Rxe5 Nc4 29. Rxf5 gxf5 30. Rb7 0-1

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.12"]
[Round "5"]
[White "Marquez, Juan"]
[Black "Quinonez Garcia, Santiago"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1679"]
[BlackElo "1932"]
[PlyCount "91"]
[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. c3 g6 3. d4 cxd4 4. cxd4 d6 5. Nc3 Bg7 6. Bc4 Nf6 7. f3 Nc6 8. Nge2 0-0 9. 0-0 Rb8 10. Be3 a6 11. a4 a5 12. Qd2 Re8 13. Rfd1 Nd7 14. Bb3 Nb6 15. Nf4 Nb4 16. Nd3 Nxd3 17. Qxd3 Bd7 18. Bc4 Nxc4 19. Qxc4 Rc8 20. Qe2 f5 21. Rac1 fxe4 22. fxe4 e5 23. d5 Rf8 24. Rf1 Rxf1+ 25. Qxf1 Bf6 26. Qf2 Qe7 27. Rf1 Bg7 28. Qg3 Qd8 29. Qf2 Qe7 30. Bb6 Rf8 31. Qe2 Ra8 32. Rf2 Ra6 33. Be3 Qe8 34. b3 Ra8 35. Nb5 Bxb5 36. Qxb5 Qxb5 37. axb5 a4 38. Ra2 a3 39. Bc1 Ra5 40. Rxa3 Rxb5 41. Bd2 Kf7 42. b4 Rb6 43. Rf3+ Ke8 44. Rh3 h5 45. Ra3 Kd7 46. Ra5 0-1

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.12"]
[Round "6"]
[White "Marquez, Juan"]
[Black "Torres Cueto, Jesus Marcial"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1679"]
[BlackElo "1920"]
[PlyCount "30"]
[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. d3 d5 3. Nd2 c5 4. g3 Nf6 5. Bg2 Nc6 6. Ngf3 Bd6 7. 0-0 0-0 8. Re1 dxe4 9. Nxe4 Nxe4 10. Rxe4 e5 11. c3 Bf5 12. Re3 Bc7 13. Qe2 Re8 14. Nh4 Qd7 15. Nxf5 Qxf5 1/2-1/2

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.11"]
[Round "4"]
[White "Carrasco, Brandon Siu Loon"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "1679"]
[PlyCount "34"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nc3 Qc7 7. a3 Be7 8. Be2 0-0 9. 0-0 d6 10. Bf4 e5 11. Bg3 exd4 12. Qxd4 Nc6 13. Qd1 Ne5 14. f4 Nc4 15. e5 dxe5 16. fxe5 Rd8 17. exf6 Rxd1 0-1

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.10"]
[Round "3"]
[White "Marquez, Juan"]
[Black "Soto Hincapie, Emmanuel"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1679"]
[PlyCount "51"]
[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 Bd7 6. g3 g6 7. Bg2 Bg7 8. Be3 0-0 9. 0-0 Nc6 10. Qe2 Nxd4 11. Bxd4 Bg4 12. f3 Be6 13. Rad1 d5 14. Rd2 Qd6 15. e5 Qb4 16. exf6 Bxf6 17. Bxf6 exf6 18. Nxd5 Bxd5 19. Rxd5 Qxb2 20. Qe7 Qc3 21. Rd6 Qxc2 22. Qxf6 Rfc8 23. Rd7 Qc5+ 24. Kh1 Rc7 25. Qxf7+ Kh8 26. Qxh7# 1-0

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.09"]
[Round "1"]
[White "Marquez, Juan"]
[Black "Quintana Perez, Christopher"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1679"]
[PlyCount "23"]
[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 e5 2. Nf3 Nc6 3. Bb5 Bd6 4. 0-0 a6 5. Bc4 Nf6 6. Nc3 0-0 7. d3 Nd4 8. Nd5 c6 9. Nxf6+ Qxf6 10. Nd2 b5 11. Bb3 Ne2+ 12. Qxe2 1-0

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.07"]
[Round "9"]
[White "Marquez, Juan"]
[Black "Gerardo Caniella, Emanuel Agustin"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "121"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 Nf6 6. Nxe5 Nxe4 7. Qf3 Nf6 8. Bxc6 bxc6 9. Re1 0-0 10. Nd3 Re8 11. Rxe8+ Qxe8 12. Nc3 d6 13. h3 Bd4 14. Qe2 Bxc3 15. Qxe8+ Nxe8 16. dxc3 Be6 17. Bf4 Nf6 18. Re1 Rb8 19. b3 h6 20. Nb4 Rb6 21. a4 a5 22. Nd3 g5 23. Bg3 Nd5 24. c4 Nc3 25. c5 dxc5 26. Bxc7 Rb7 27. Bxa5 Nd5 28. Nxc5 Re7 29. Nxe6 Rxe6 30. Rxe6 fxe6 31. g3 Kf7 32. c4 Nf6 33. f3 Ke7 34. Bc3 Nd7 35. a5 Kd8 36. b4 Kc8 37. Kf2 Kb7 38. Ke3 c5 39. b5 Ka7 40. g4 Nf8 41. Bg7 Ng6 42. Ke4 e5 43. Bxe5 Nxe5 44. Kxe5 Kb7 45. f4 gxf4 46. Kxf4 Kc7 47. g5 hxg5+ 48. Kxg5 Kd6 49. a6 Kc7 50. h4 Kb6 51. h5 Ka5 52. a7 Kb4 53. a8Q Kxc4 54. Qc8 Kxb5 55. h6 c4 56. h7 Kb4 57. h8Q Kb3 58. Qd4 c3 59. Qcxc3+ Ka2 60. Qdd2+ Kb1 61. Qcc1# 1-0

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.06"]
[Round "8"]
[White "Renteria, Alejandro"]
[Black "Marquez, Juan"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1688"]
[PlyCount "125"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Bd6 7. 0-0 0-0 8. Re1 Qc7 9. Nf1 Rd8 10. exd5 Nxd5 11. Ne3 Nb6 12. Qe2 Bd7 13. Ng5 h6 14. Nf3 Nd4 15. Nxd4 cxd4 16. Nc4 Nxc4 17. dxc4 Bb4 18. Bd2 Bxd2 19. Qxd2 Bc6 20. Bxc6 Qxc6 21. b3 Rac8 22. f4 Qb6 23. Kh1 Qc6+ 24. Qg2 b5 25. Qxc6 Rxc6 26. cxb5 Rxc2 27. Red1 d3 28. Kg1 Re2 29. h3 e5 30. fxe5 Rxe5 31. Rd2 Rxb5 32. Rad1 Ra5 33. Rxd3 Rxd3 34. Rxd3 Rxa2 35. Rd8+ Kh7 36. Rb8 a5 37. Rb7 Kg6 38. b4 axb4 39. Rxb4 Rc2 40. Rg4+ Kh7 41. Rf4 f6 42. h4 Kg8 43. h5 Kf7 44. g4 Rc7 45. Re4 g6 46. hxg6+ Kxg6 47. Kg2 Kg5 48. Re6 Rc4 49. Re8 Rxg4+ 50. Kf3 Rf4+ 51. Kg3 Rf5 52. Rg8+ Kh5 53. Rh8 Rg5+ 54. Kh3 Rg6 55. Rd8 Kg5 56. Rd4 h5 57. Rd3 Kh6 58. Rf3 Kg7 59. Kh4 Kh6 60. Rf4 Kg7 61. Kxh5 Rg5+ 62. Kh4 Kg6 63. Rg4 1/2-1/2

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.06"]
[Round "7"]
[White "Ronquillo Brush, Carlos"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "94"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Be3 0-0 9. Nf3 Nc6 10. h3 Qa5 11. Qd2 cxd4 12. cxd4 Qxd2+ 13. Kxd2 Rd8 14. e5 Nxe5 15. Nxe5 Bxe5 16. Kc3 Bg7 17. Rab1 b6 18. Rhd1 Bb7 19. f3 Rac8 20. Kb3 Bd5 21. Rbc1 Rxc4 22. Rxc4 Bxc4+ 23. Kxc4 Rc8+ 24. Kd5 e5 25. f4 Rd8+ 26. Kc4 exd4 27. Bxd4 Re8 28. Rd2 Rd8 29. Kc3 a6 30. Bxg7 Rxd2 31. Kxd2 Kxg7 32. Kd3 Kf6 33. Kd4 Ke6 34. g4 f5 35. g5 Kd6 36. Kc4 b5+ 37. Kd4 a5 38. h4 b4 39. Kc4 Kc6 40. Kd4 Kb5 41. Kd3 Ka4 42. Kc2 Ka3 43. Kb1 b3 44. axb3 Kxb3 45. Kc1 a4 46. Kb1 a3 47. Ka1 Kc3 0-1

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.05"]
[Round "5"]
[White "Gomez Harika, Marcelo"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1605"]
[PlyCount "74"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nxe4 5. Qa4+ Bd7 6. Qxe4 Nc6 7. Bd3 g6 8. 0-0 Bg7 9. Qe2 0-0 10. Bc2 Rc8 11. d3 a6 12. Bf4 Na5 13. Nbd2 b5 14. Bg3 b4 15. c4 Bxb2 16. Rab1 Bg7 17. Nb3 Nxb3 18. axb3 Re8 19. Qd1 Bc6 20. Nh2 Qc7 21. Qc1 Qb7 22. f3 Bd4+ 23. Bf2 Bg7 24. Qd1 Be5 25. d4 cxd4 26. Bxd4 Bxd4+ 27. Qxd4 Rb8 28. Kh1 Qb6 29. Qb2 Qe3 30. Ng4 Qf4 31. Bd1 f6 32. Ra1 Ra8 33. Be2 a5 34. Rad1 Qf5 35. Nh6+ Kg7 36. Nxf5+ gxf5 37. Bd3 f4 1-0

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.05"]
[Round "6"]
[White "Marquez, Juan"]
[Black "Bedon, Kevin"]
[Result "0-1"]
[ECO "B54"]
[BlackElo "1590"]
[PlyCount "24"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[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 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. 0-0 g6 9. Re1 Bg7 10. Qd3 0-0 11. Bf4 e5 12. Bg3 exd4 0-1

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.04"]
[Round "4"]
[White "Marquez, Juan"]
[Black "Chiang, Jonathan"]
[Result "0-1"]
[ECO "B87"]
[BlackElo "1682"]
[PlyCount "124"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[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 a6 6. Bc4 e6 7. Bb3 b5 8. Be3 Qc7 9. Qd2 Bb7 10. f3 Nbd7 11. g4 Nc5 12. h4 Be7 13. 0-0-0 b4 14. Na4 d5 15. g5 Nxb3+ 16. axb3 Nd7 17. exd5 Bxd5 18. Qf2 Rc8 19. Rh2 Ne5 20. Kb1 Bd6 21. Rg2 Qb7 22. Rf1 Rc7 23. Rgg1 Nc6 24. Nxc6 Qxc6 25. Qe2 Qb5 26. Qxb5+ axb5 27. Nb6 Bb7 28. Rf2 Ke7 29. Bd4 Rb8 30. f4 Bc5 31. Rd1 Bxd4 32. Rxd4 Bc6 33. Nc4 bxc4 34. Rxc4 Rd8 35. f5 Bd5 36. Rd4 Rcd7 37. Rfd2 Bc6 38. Rxd7+ Rxd7 39. Rxd7+ Bxd7 40. c3 bxc3 41. bxc3 exf5 42. c4 f4 43. Kc2 Kd6 44. Kd3 Bf5+ 45. Kd4 f6 46. gxf6 gxf6 47. b4 Bc2 48. b5 f5 49. c5+ Kc7 50. Kd5 f3 51. b6+ Kb7 52. Kd6 Be4 53. c6+ Bxc6 54. Kc5 f2 55. Kb4 f1Q 56. Kc5 Qb5+ 57. Kd6 Qd5+ 58. Ke7 f4 59. Kf8 Qd7 60. Kg8 Bd5+ 61. Kh8 Qf7 62. h5 Qg8# 0-1

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.03"]
[Round "2"]
[White "Marquez, Juan"]
[Black "Gomez, Juan Andres"]
[Result "1-0"]
[ECO "C96"]
[BlackElo "1940"]
[PlyCount "78"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. h3 0-0 9. c3 Na5 10. Bc2 c5 11. d4 Nc6 12. dxe5 dxe5 13. Nbd2 Bb7 14. Nf1 h6 15. Qxd8 Rfxd8 16. Ng3 Rd7 17. Be3 Rad8 18. Nf5 Bf8 19. g4 Re8 20. g5 hxg5 21. Bxg5 Nh7 22. Be3 Re6 23. Kh2 g6 24. Nh6+ Kh8 25. Ng4 Nf6 26. Ng5 Nxg4+ 27. hxg4 Rf6 28. Kg3 Kg8 29. Rh1 Rdd6 30. Nh7 Rfe6 31. Bxc5 Rd2 32. Nxf8 Re8 33. Nh7 Kg7 34. Bb3 f6 35. Rad1 Rxd1 36. Rxd1 Bc8 37. Nxf6 Rd8 38. Rxd8 Nxd8 39. Ne8+ Kh6 1-0

[Event "Pan American U10"]
[Site "Bento Goncalves"]
[Date "2010.08.03"]
[Round "3"]
[White "Oliveira, Tiago Lopes"]
[Black "Marquez, Juan"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1762"]
[PlyCount "43"]
[EventDate "2010.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. Be2 Bb4 8. Bd2 Bxc3 9. Bxc3 Nxe4 10. Bb4 d6 11. 0-0 0-0 12. Bd3 Nc5 13. Nf3 Nbd7 14. Ng5 Nf6 15. Bc3 e5 16. f4 h6 17. fxe5 dxe5 18. Nf3 Ng4 19. Qe2 Nxd3 20. cxd3 Re8 21. h3 Nf6 22. Bxe5 1/2-1/2

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.09"]
[Round "7"]
[White "Marquez, Juan"]
[Black "Sandoval Duque, German"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "65"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bg5 Nc6 8. Qe3+ Be7 9. Bxe7 Nxe7 10. Bd3 Bg4 11. 0-0 Bxf3 12. Qxf3 c6 13. Nc3 b5 14. Rfe1 Rc8 15. Qg4 Rc7 16. Qxg7 Rg8 17. Qxg8+ Kd7 18. Qxd8+ Kxd8 19. Bxh7 Nef5 20. Rad1 Kc8 21. Bxf5+ Nxf5 22. Re8+ Kb7 23. g4 Nh4 24. Rdd8 Nf3+ 25. Kg2 Nh4+ 26. Kg3 Ng6 27. a4 bxa4 28. Nxa4 Ne7 29. Rb8+ Ka6 30. Nc5+ Ka5 31. c3 Nd5 32. b4+ Nxb4 33. cxb4# 1-0

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.08"]
[Round "5"]
[White "Leon, Gustavo"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1993"]
[PlyCount "76"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nc6 4. cxd4 Nf6 5. Nc3 e6 6. e5 Nd5 7. Nxd5 exd5 8. Nf3 d6 9. Bb5 Qa5+ 10. Qd2 Qxb5 11. a4 Qa5 12. Qxa5 Nxa5 13. 0-0 Be7 14. exd6 Bxd6 15. Re1+ Be6 16. Ng5 0-0 17. Bd2 Nb3 18. Rad1 Nxd2 19. Nxe6 fxe6 20. Rxe6 Bb4 21. Re5 Rad8 22. Re2 Rde8 23. Rexd2 Bxd2 24. Kf1 Re1+ 25. Rxe1 Bxe1 26. Kxe1 Rf4 27. Ke2 Rxd4 28. b3 Rb4 29. Kd3 Rxb3+ 30. Kd4 Ra3 31. Kxd5 Rxa4 32. Kc5 Kf7 33. Kb5 Rh4 34. h3 Ke6 35. f3 a5 36. Kxa5 Rc4 37. g3 Kd6 38. g4 Kc7 0-1

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.08"]
[Round "4"]
[White "Marquez, Juan"]
[Black "Bottia Ardila, Santiago"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "91"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nc6 4. dxe5 dxe5 5. Qxd8+ Nxd8 6. Nxe5 Nf6 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 0-0 10. Bd3 Ne6 11. Bb4 Re8 12. 0-0 Nf4 13. Bc3 Nxd3 14. Nxd3 Nxe4 15. Rfe1 Bf5 16. Bd4 Nd2 17. Rxe8+ Rxe8 18. Rd1 Bxd3 19. h3 Bxc2 20. Rxd2 Re1+ 21. Kh2 Ba4 22. b3 Bc6 23. Bxa7 h6 24. Rd8+ Kh7 25. Be3 b5 26. Rc8 Ra1 27. Rxc7 Be8 28. Rc8 Bd7 29. Rb8 Rxa2 30. Rb7 Bc6 31. Rxf7 Bd5 32. Rf5 Bxb3 33. Rxb5 Bc4 34. Rb7 Bd5 35. Rc7 Be6 36. Bd4 Rd2 37. Rxg7+ Kh8 38. Re7+ Rxd4 39. Rxe6 h5 40. Rh6+ Kg8 41. Rxh5 Rd2 42. Kg3 Rd3+ 43. f3 Kg7 44. Kh4 Kg6 45. f4 Rd4 46. Kg4 1-0

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.08"]
[Round "3"]
[White "Marquez, Juan"]
[Black "Fuentes, Ivan Dario"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "150"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 a6 5. Bc4 b5 6. Bd5 Rb8 7. c3 e6 8. Bb3 Qc7 9. 0-0 Ngf6 10. Bc2 Bb7 11. Re1 Rc8 12. Nbd2 cxd4 13. Nxd4 Be7 14. a3 0-0 15. Nf1 Rfd8 16. Ng3 Nf8 17. h3 Ng6 18. Rb1 Qb6 19. Be3 Qc7 20. Nf3 d5 21. Bd2 dxe4 22. Nxe4 Nxe4 23. Bxe4 Bxe4 24. Rxe4 Bc5 25. Qc2 Qb7 26. Rbe1 Qb6 27. Be3 Bxe3 28. R1xe3 Ne7 29. Rh4 h6 30. Rg4 Rd5 31. Nd4 Rxd4 32. Rxd4 Qxd4 33. Rg3 Qd6 34. Qe2 Nf5 35. Rd3 Qc7 36. Qd2 Ne7 37. Rd7 Qc5 38. b4 Qxc3 39. Qxc3 Rxc3 40. Rxe7 Rxa3 41. Ra7 Ra4 42. Kf1 Rxb4 43. Rxa6 Rb2 44. Rb6 Kh7 45. g3 Kg6 46. f4 Rb3 47. Kf2 Kf6 48. Kg2 b4 49. h4 g5 50. hxg5+ hxg5 51. Rb5 gxf4 52. gxf4 Rb2+ 53. Kf3 Ke7 54. Ke3 Kd6 55. Kd4 Rf2 56. Ke4 Rb2 57. Kd4 Rf2 58. Ke4 Rb2 59. Rb7 f6 60. Rb6+ Ke7 61. Kd3 Rb3+ 62. Kc2 Rc3+ 63. Kb2 Rc4 64. f5 exf5 65. Kb3 Rd4 66. Rxb4 Rxb4+ 67. Kxb4 Ke6 68. Kc4 Ke5 69. Kd3 f4 70. Ke2 Ke4 71. Ke1 Ke3 72. Kf1 f3 73. Ke1 f2+ 74. Kf1 f5 75. Kg2 Ke2 0-1

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.07"]
[Round "1"]
[White "Leon, Gustavo"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1993"]
[PlyCount "65"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f6 3. d4 Nc6 4. Nc3 Be7 5. Be3 d6 6. Bb5 Bd7 7. 0-0 a6 8. Ba4 Nh6 9. a3 0-0 10. Bxh6 gxh6 11. d5 Na5 12. Bxd7 Qxd7 13. Qd2 Kh8 14. Qxh6 Rg8 15. Nh4 Qg4 16. b4 f5 17. exf5 Bxh4 18. g3 Qg5 19. Qxg5 Rxg5 20. Kh1 Bxg3 21. fxg3 Nc4 22. Ne4 Rh5 23. f6 Rf8 24. h4 Rh6 25. f7 Rg6 26. Ng5 e4 27. Ne6 Rxe6 28. dxe6 Kg7 29. e7 Rxf7 30. e8Q Rxf1+ 31. Rxf1 Nd2 32. Qf7+ Kh6 33. Rf6# 1-0

[Event "Berazategui op"]
[Site "Berazategui"]
[Date "2007.04.??"]
[Round "1"]
[White "Marquez, Juan"]
[Black "Kovalyov, Anton"]
[Result "0-1"]
[ECO "B91"]
[BlackElo "2475"]
[PlyCount "38"]
[EventDate "2007.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. Nf3 Nf6 2. Nc3 c5 3. e4 d6 4. d4 cxd4 5. Nxd4 a6 6. g3 e5 7. Nf3 Nbd7 8. Bg5 Be7 9. Nd5 Nxd5 10. Qxd5 Bxg5 11. h4 Be7 12. Bc4 0-0 13. Nh2 Nb6 14. Qd3 Nxc4 15. Qxc4 Be6 16. Qc3 Rc8 17. Qd2 Qb6 18. 0-0 Rfd8 19. Ng4 Bxg4 0-1

[Event "Antioquia-ch"]
[Site "Medellin"]
[Date "2000.02.29"]
[Round "7"]
[White "Alzate, Hugo Leon"]
[Black "Marquez, Juan"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "115"]
[EventDate "2000.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. c3 c6 5. Nbd2 Be7 6. Bd3 Ngf6 7. 0-0 0-0 8. Re1 Re8 9. Nf1 c5 10. d5 Nf8 11. h3 Ng6 12. Ng3 Bf8 13. Nh2 Bd7 14. c4 a6 15. a4 Rb8 16. Qe2 Qc8 17. Bg5 Be7 18. Bxf6 Bxf6 19. Nh5 Be7 20. Nf1 Bf8 21. Ne3 Qd8 22. Nf5 Qg5 23. Kh2 Nf4 24. Nxf4 Qxf4+ 25. g3 Qg5 26. h4 Qd8 27. b3 g6 28. Ne3 Be7 29. Rf1 Kg7 30. f4 exf4 31. Rxf4 h6 32. Raf1 Rf8 33. Ng2 g5 34. hxg5 hxg5 35. R4f2 Rh8+ 36. Kg1 Be8 37. e5 dxe5 38. Qxe5+ f6 39. Qe4 Rh6 40. Ne3 Bg6 41. Nf5+ Bxf5 42. Qxf5 Qd6 43. Rg2 Rbh8 44. Kf2 Qc7 45. Re1 Bd6 46. Re6 Be5 47. Kf3 Rd8 48. Re2 Qf7 49. R2xe5 Qh5+ 50. Ke3 fxe5 51. Re7+ Kg8 52. Qxe5 Rg6 53. Re8+ Rxe8 54. Qxe8+ Kg7 55. Qxg6+ Qxg6 56. Bxg6 Kxg6 57. Ke4 Kf6 58. a5 1-0

[Event "Antioquia-ch"]
[Site "Medellin"]
[Date "2000.02.25"]
[Round "6"]
[White "Herrera, Mauricio"]
[Black "Marquez, Juan"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "82"]
[EventDate "2000.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Nc3 b5 6. Bb3 a6 7. a4 Bb7 8. axb5 axb5 9. Na2 c5 10. dxc5 Nxc5 11. Bd5 Qc7 12. Qe2 Bxd5 13. exd5 Qb7 14. b4 Nd7 15. 0-0 Ngf6 16. Nd4 Nxd5 17. Bd2 Rc8 18. Rfc1 Rc4 19. c3 g6 20. Nc2 Rc8 21. Rd1 Bg7 22. Na3 Rb8 23. Nc1 0-0 24. Nb3 Rfc8 25. Na5 Qb6 26. Rac1 f5 27. Be1 N7f6 28. Qa2 Kh8 29. Rxd5 Nxd5 30. Qxd5 e4 31. c4 bxc4 32. N3xc4 Qb5 33. Qxd6 Rd8 34. Qe6 Re8 35. Nd6 Rxe6 36. Nxb5 Bh6 37. Rc7 Rxb5 38. Nc6 Rd6 39. Bc3+ Kg8 40. h4 Rd1+ 41. Kh2 Bf4+ 0-1

[Event "Antioquia-ch"]
[Site "Medellin"]
[Date "2000.02.23"]
[Round "5"]
[White "Marquez, Juan"]
[Black "Gamboa, Darlin"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "55"]
[EventDate "2000.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. f4 Qb6 6. Nf3 Bd7 7. a4 cxd4 8. cxd4 Rc8 9. Bb5 Nge7 10. 0-0 Nf5 11. Bxc6 Rxc6 12. Nc3 Bb4 13. Qd3 Rc4 14. Ne2 h5 15. b3 Rc7 16. Bd2 a5 17. Rfc1 Rxc1+ 18. Rxc1 0-0 19. h3 h4 20. Bxb4 Qxb4 21. Kf2 b5 22. Rc7 Rd8 23. axb5 Bxb5 24. Qc3 Qxc3 25. Nxc3 Bd3 26. Ne1 Be4 27. Nb5 Rb8 28. Rc5 1/2-1/2

[Event "Antioquia-ch"]
[Site "Medellin"]
[Date "2000.02.21"]
[Round "4"]
[White "Gomez, Luis Fernando"]
[Black "Marquez, Juan"]
[Result "1/2-1/2"]
[ECO "E30"]
[PlyCount "80"]
[EventDate "2000.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. Bxf6 Qxf6 6. e3 Nc6 7. Nf3 0-0 8. a3 Ba5 9. Rc1 d6 10. Be2 a6 11. 0-0 Bxc3 12. bxc3 e5 13. Re1 Bg4 14. Rb1 Rab8 15. d5 Ne7 16. Nd2 Bd7 17. Rb6 Nc8 18. Rb2 Qe7 19. Qb1 Be8 20. e4 b6 21. Nf1 Bd7 22. Ng3 g6 23. Qc2 f5 24. f3 Qg5 25. Reb1 h5 26. Qd2 f4 27. Nh1 h4 28. Kf2 Kg7 29. Bf1 Rf7 30. h3 Be8 31. Kg1 Rfb7 32. Nf2 Bd7 33. Ng4 Ne7 34. Be2 Ng8 35. Qc1 Nf6 36. Qd2 Nh5 37. Kf2 Ng3 38. Bd3 Qd8 39. Qc2 Qc7 40. Qb3 Nh5 1/2-1/2

[Event "Antioquia-ch"]
[Site "Medellin"]
[Date "2000.02.18"]
[Round "3"]
[White "Marquez, Juan"]
[Black "Cuartas, Carlos Enrique"]
[Result "1-0"]
[ECO "B11"]
[BlackElo "2300"]
[PlyCount "86"]
[EventDate "2000.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 Qc7 7. d4 e6 8. Bd3 g6 9. 0-0 c5 10. Kh1 b6 11. Qe1 Bb7 12. f5 gxf5 13. Bxf5 0-0-0 14. Bd3 c4 15. Be2 Bd6 16. Ng5 Rdf8 17. Bf3 h5 18. Bxb7+ Kxb7 19. N5e4 Bxg3 20. Nxg3 h4 21. Ne2 h3 22. Qf2 hxg2+ 23. Qxg2+ Qc6 24. Qxc6+ Kxc6 25. Bf4 Nd5 26. Bg3 Ne3 27. Rf3 Nf5 28. Raf1 Rhg8 29. c3 a6 30. Bf4 Rg6 31. Ng3 Nxg3+ 32. Bxg3 f5 33. Re1 Kd5 34. Be5 Rfg8 35. Bg3 Nf6 36. Re5+ Kc6 37. Rxe6+ Kb7 38. Rxf5 Ne8 39. Rf7+ Kc8 40. Ree7 Nd6 41. Rc7+ Kd8 42. Rfd7+ Ke8 43. Rxd6 Rxd6 1-0

[Event "Antioquia-ch"]
[Site "Medellin"]
[Date "2000.02.16"]
[Round "2"]
[White "Sanchez, Noe"]
[Black "Marquez, Juan"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "53"]
[EventDate "2000.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. c3 c6 5. d4 b5 6. Bb3 Nd7 7. dxe5 dxe5 8. Be3 Ngf6 9. Nbd2 0-0 10. 0-0 Qc7 11. Rc1 Rd8 12. Ng5 Rf8 13. Bxf7+ Kh8 14. Ne6 Qa5 15. Nxf8 Nxf8 16. Bg5 Qc7 17. Nf3 Bg4 18. Bxf6 Bxf6 19. Qb3 a5 20. a4 Ra7 21. Bg8 bxa4 22. Qa2 Qe7 23. Bc4 Ng6 24. Qxa4 Nf4 25. Qxc6 Bg5 26. Ra1 Rc7 27. Qb5 1/2-1/2

[Event "Antioquia-ch"]
[Site "Medellin"]
[Date "2000.02.14"]
[Round "1"]
[White "Marquez, Juan"]
[Black "Lotero, Faiber"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "71"]
[EventDate "2000.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 d6 4. Nf3 f5 5. Bb5 exf4 6. d4 fxe4 7. Nxe4 a6 8. Bd3 d5 9. Nf2 Bd6 10. 0-0 Nf6 11. Re1+ Ne7 12. Ne5 0-0 13. Bxf4 Nf5 14. c3 Re8 15. Bg5 h6 16. Bf4 Bd7 17. Qc2 Ne7 18. Re2 Ng4 19. Bh7+ Kf8 20. Nxd7+ Qxd7 21. Bxd6 cxd6 22. Nxg4 Rec8 23. Rf1+ Ke8 24. Bf5 Qb5 25. Bxc8 Rxc8 26. Rfe1 Rc7 27. Qg6+ Kd8 28. Qxd6+ Kc8 29. Rxe7 Rxe7 30. Rxe7 Qc6 31. Qxc6+ bxc6 32. Ne5 g5 33. Nxc6 a5 34. Kf2 h5 35. b4 axb4 36. cxb4 1-0

[Event "Intercolegiado U16"]
[Site "Pereira"]
[Date "1999.03.22"]
[Round "4"]
[White "Marquez, Juan"]
[Black "Munoz, Julian Andres"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "72"]
[EventDate "1999.03.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 e6 4. Nf3 Bg7 5. Bc4 Ne7 6. e5 0-0 7. d4 cxd4 8. Nxd4 d5 9. Bd3 a6 10. h4 Nbc6 11. Nf3 f6 12. Qe2 fxe5 13. fxe5 Qc7 14. h5 Nxe5 15. Ng5 Nxd3+ 16. Qxd3 Qe5+ 17. Ne2 Qf5 18. hxg6 Qf2+ 19. Kd1 Qxg2 20. gxh7+ Kh8 21. Qh3 Qxh3 22. Nxh3 Kxh7 23. Nef4 e5 24. Ng5+ Kg8 25. Nge6 Bxe6 26. Nxe6 Rf6 27. Nc5 b6 28. Nd3 e4 29. Ne1 d4 30. Bg5 Re6 31. Rh2 Nd5 32. Re2 Rf8 33. Kd2 Rf5 34. Rg2 Rg6 35. Bh4 Bh6+ 36. Kd1 Ne3+ 0-1

[Event "Intercolegiado U16"]
[Site "Pereira"]
[Date "1999.03.21"]
[Round "3"]
[White "Marquez, Juan"]
[Black "Salazar, Rene Alejandro"]
[Result "1/2-1/2"]
[ECO "C29"]
[PlyCount "82"]
[EventDate "1999.03.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bg4 6. d3 Nxc3 7. bxc3 Nc6 8. d4 Be7 9. Bd3 Bh4+ 10. g3 Be7 11. h3 Bh5 12. 0-0 Qd7 13. Kh2 0-0-0 14. Qe2 Rde8 15. Qg2 Bg6 16. Ng5 Bxg5 17. Bxg5 Nd8 18. Bxd8 Rxd8 19. Qf3 Bxd3 20. cxd3 Rhf8 21. Rae1 Rde8 22. Qf5 Qxf5 23. Rxf5 f6 24. Ref1 Re6 25. g4 Kd7 26. exf6 Rfxf6 27. Rxd5+ Kc6 28. Rxf6 Rxf6 29. Rf5 Rxf5 30. gxf5 Kb5 31. Kg3 Ka4 32. Kf4 Ka3 33. Ke5 Kxa2 34. Ke6 Kb2 35. Kf7 a5 36. Kxg7 a4 37. f6 a3 38. f7 a2 39. f8Q a1Q 40. Qb4+ Kc2 41. Qxb7 Qxc3 1/2-1/2

