[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.28"]
[Round "5"]
[White "Torres, Saulo de Jesus"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "1819"]
[BlackElo "2010"]
[PlyCount "100"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Nf3 Be7 8. Bd3 Nc6 9. 0-0 0-0 10. Kh1 b5 11. a3 Bb7 12. Qe1 Rc8 13. Qg3 Kh8 14. Qh3 e5 15. Nd5 Qd7 16. f5 Nxd5 17. exd5 Nb8 18. Be4 Rc4 19. Nd2 Rxe4 20. Nxe4 Bxd5 21. Ng5 Bxg5 22. Bxg5 f6 23. Be3 Rc8 24. Rf2 Be4 25. Rc1 Nc6 26. Kg1 Ne7 27. g4 d5 28. c3 a5 29. b4 a4 30. Bc5 Nc6 31. Qe3 Nd8 32. Rd1 Qc6 33. g5 fxg5 34. f6 Nf7 35. fxg7+ Kxg7 36. Rxf7+ Kxf7 37. Qf2+ Kg6 38. Rf1 Qe6 39. Qg3 h5 40. h3 Rc7 41. Rf8 h4 42. Qe3 Rc8 43. Rxc8 Qxc8 44. Be7 Qf5 45. Kh2 Bf3 46. Bxg5 Qxg5 47. Qxf3 Qf4+ 48. Kg2 Qxf3+ 49. Kxf3 Kf5 50. Ke3 e4 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "3"]
[White "Marin, Alejandro"]
[Black "Andrade Salcedo, Jorge Mario"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "2010"]
[BlackElo "1726"]
[PlyCount "108"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Qd2 c5 9. Nf3 Nc6 10. dxc5 Qxc5 11. Bd3 0-0 12. 0-0-0 f6 13. exf6 Nxf6 14. h3 Nb4 15. g4 Bd7 16. Rhe1 Rae8 17. Ne5 d4 18. Ne4 Nxe4 19. Bxe4 Nxa2+ 20. Kb1 Nc3+ 21. Kc1 Ba4 22. Qxd4 Qxd4 23. Rxd4 Nxe4 24. Rexe4 Bb5 25. c4 Rc8 26. b3 Bc6 27. Re3 b5 28. Rd6 Bd5 29. f5 bxc4 30. b4 c3 31. Nd7 Rf7 32. Nb6 Rcc7 33. Nxd5 exd5 34. Rxd5 g6 35. fxg6 Rf1+ 36. Rd1 Rf2 37. gxh7+ Kxh7 38. Red3 Rff7 39. Rd5 c2 40. Re1 Rc3 41. Rc5 Rxh3 42. Rxc2 Rf4 43. Rc6 Rxg4 44. Re7+ Rg7 45. Rxg7+ Kxg7 46. Rxa6 Kf7 47. Kc2 Ke7 48. Rc6 Kd7 49. Rc4 Rh6 50. Kb3 Rc6 51. b5 Rxc4 52. Kxc4 Kc7 53. Kc5 Kb7 54. b6 Kb8 1/2-1/2

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "4"]
[White "Marin, Alejandro"]
[Black "Cardona Duque, Juan Esteban"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2010"]
[BlackElo "1741"]
[PlyCount "117"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 d6 7. Be2 Nd7 8. Be3 b6 9. Rc1 Ngf6 10. 0-0 Bb7 11. f3 Be7 12. Qd2 0-0 13. Rfd1 Rfd8 14. b3 Rac8 15. Qe1 Qb8 16. Qf2 Ba8 17. Bf1 Qb7 18. Na4 Nc5 19. Nxc5 bxc5 20. Ne2 Ne8 21. Nc3 Bf6 22. Rd3 g6 23. Rcd1 Be7 24. Qd2 Nc7 25. Be2 Qc6 26. Bh6 Rd7 27. f4 Rcd8 28. Bf3 Qb6 29. Na4 Qb4 30. Qxb4 cxb4 31. Nc5 f6 32. Nxd7 Rxd7 33. e5 Bxf3 34. gxf3 d5 35. Kf1 Kf7 36. Ke2 Bc5 37. h4 d4 38. Rh1 Ne8 39. Rdd1 fxe5 40. fxe5 Ng7 41. Bxg7 Kxg7 42. Kd3 Rf7 43. Ke4 h5 44. Rhg1 Kh6 45. Rg2 a5 46. Rdg1 Rg7 47. f4 Rg8 48. Rd1 a4 49. Rc2 axb3 50. axb3 Ra8 51. Rxd4 Ra1 52. Rdd2 Re1+ 53. Re2 Rb1 54. Rb2 Rh1 55. Ra2 Rxh4 56. Ra5 Bg1 57. Ra6 Rh3 58. Rxe6 Rxb3 59. Rg2 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.26"]
[Round "2"]
[White "Herrera Jimenez, Mateo"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1828"]
[BlackElo "2010"]
[PlyCount "41"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Qf3 Qb6 9. Be3 Qb7 10. 0-0 Be7 11. Qg3 0-0 12. Bh6 Ne8 13. Rfe1 Bf6 14. Rad1 Kh8 15. Bg5 Qb6 16. Nf3 Bxg5 17. Nxg5 Nd7 18. Qh4 Nef6 19. e5 Nxe5 20. Rxe5 dxe5 21. Nce4 1-0

[Event "Medellin Flores op 22nd"]
[Site "Medellin"]
[Date "2015.08.09"]
[Round "9"]
[White "Arango, Andres Mauricio"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2085"]
[BlackElo "1998"]
[PlyCount "82"]
[EventDate "2015.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. Qf3 Qb6 10. Be3 Qb7 11. Qg3 b4 12. Na4 Nxe4 13. Qxg7 Bf6 14. Qh6 Rg8 15. f3 Bg5 16. Bxg5 Nxg5 17. Kh1 Rg6 18. Qh5 Nd7 19. f4 Nf6 20. Qe2 Nge4 21. c3 Bd7 22. Rac1 Bb5 23. c4 Qa7 24. Rcd1 Bd7 25. Bc2 d5 26. Rf3 Rc8 27. f5 exf5 28. Nxf5 Bxf5 29. Rxf5 Rxc4 30. Bxe4 Nxe4 31. Rfxd5 Kf8 32. Rf1 Rc1 33. g3 Rxf1+ 34. Qxf1 Nf2+ 35. Kg2 Qb7 36. Qc4 Rd6 37. Nb6 Qxb6 38. Rxd6 Qxd6 39. Kxf2 Qf6+ 40. Kg1 Qxb2 41. Qxa6 Qc1+ 1-0

[Event "Medellin Flores op 22nd"]
[Site "Medellin"]
[Date "2015.08.09"]
[Round "8"]
[White "Marin, Alejandro"]
[Black "Florez, Carlos Julio"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1998"]
[BlackElo "2099"]
[PlyCount "75"]
[EventDate "2015.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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 Bg7 5. c4 Nf6 6. Nc3 d6 7. Be2 Nc6 8. Be3 0-0 9. Rc1 Bd7 10. 0-0 Nxd4 11. Bxd4 Bc6 12. f3 Qa5 13. Qd2 Rfc8 14. Rfd1 Nd7 15. Be3 Nc5 16. b3 Qb4 17. Nd5 Qxd2 18. Rxd2 Bxd5 19. cxd5 a5 20. Rdc2 Rcb8 21. Bb5 f5 22. exf5 gxf5 23. Kf1 b6 24. Re1 Ra7 25. Ke2 Rf8 26. Rc4 Be5 27. g3 Kh8 28. Rec1 Kg7 29. Rh4 Kh8 30. Rcc4 Bf6 31. Rh5 e6 32. dxe6 Nxe6 33. Rxf5 Re7 34. Re4 Bg7 35. Rxf8+ Bxf8 36. Bc4 Nc5 37. Bd4+ Bg7 38. Bxg7+ 1-0

[Event "Medellin Flores op 22nd"]
[Site "Medellin"]
[Date "2015.08.08"]
[Round "7"]
[White "Lozano Ramirez, Nestor Favian"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2153"]
[BlackElo "1998"]
[PlyCount "53"]
[EventDate "2015.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Nbd7 5. 0-0 c6 6. d4 dxc4 7. Qc2 b5 8. b3 Ba6 9. bxc4 bxc4 10. Na3 c3 11. Qxc3 Bxe2 12. Re1 Nd5 13. Qxc6 Rc8 14. Qa4 Nc3 15. Qb3 Qb6 16. d5 Bc5 17. Qxb6 Nxb6 18. dxe6 fxe6 19. Nc2 0-0 20. Ncd4 Ba6 21. Bd2 Nbd5 22. Rxe6 Bd3 23. Re5 Bd6 24. Re6 Ba3 25. Rae1 a5 26. Ne5 Bb1 27. Bxd5 1-0

[Event "Medellin Flores op 22nd"]
[Site "Medellin"]
[Date "2015.08.08"]
[Round "6"]
[White "Marin, Alejandro"]
[Black "Ardila, Oscar Humberto"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1998"]
[BlackElo "2102"]
[PlyCount "75"]
[EventDate "2015.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bd3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Bf4 Nc6 11. Qd2 Nb4 12. Bxg6 hxg6 13. 0-0-0 Nbd5 14. Nxd5 Nxd5 15. Kb1 Qd7 16. c4 Nf6 17. d5 0-0 18. Nd4 Rfe8 19. f3 c5 20. Ne2 b5 21. cxb5 Qxb5 22. Nc3 Qb4 23. h4 Rab8 24. Rde1 Rb7 25. g5 Reb8 26. Rxe7 Rxe7 27. gxf6 Reb7 28. Bxd6 Rd8 29. Bf4 gxf6 30. Re1 a5 31. Ka1 a4 32. a3 Qb3 33. Ne4 Rb6 34. d6 Kg7 35. Bh6+ Kh8 36. Nxf6 Qxf3 37. Bf8 Qxf6 38. Be7 1-0

[Event "Medellin Flores op 22nd"]
[Site "Medellin"]
[Date "2015.08.07"]
[Round "4"]
[White "Marin, Alejandro"]
[Black "Zapata Cuartas, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "1998"]
[BlackElo "2103"]
[PlyCount "55"]
[EventDate "2015.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+ Nbd7 7. Nf5 Qb6 8. Nc3 a6 9. Be3 Qc7 10. Ba4 b5 11. Bb3 Nb6 12. Ng3 Nc4 13. Bxc4 Qxc4 14. Nd5 Nxd5 15. Qxd5 Qxd5 16. exd5 f5 17. Ne2 Bb7 18. Rd1 Be7 19. Nc1 Rc8 20. c3 a5 21. a3 b4 22. axb4 axb4 23. Ne2 0-0 24. cxb4 Rc2 25. Rd2 Rfc8 26. Nc3 Rc1+ 27. Rd1 Rc2 28. Rd2 1/2-1/2

[Event "Medellin Flores op 22nd"]
[Site "Medellin"]
[Date "2015.08.07"]
[Round "5"]
[White "Rivera, Alberto"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2339"]
[BlackElo "1998"]
[PlyCount "101"]
[EventDate "2015.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 c6 6. e3 h6 7. Bxf6 Bxf6 8. Bd3 Nd7 9. 0-0 0-0 10. Rc1 dxc4 11. Bxc4 e5 12. h3 exd4 13. exd4 Nb6 14. Bb3 Bf5 15. Re1 Re8 16. Rxe8+ Qxe8 17. Qd2 Qd7 18. Rd1 Rd8 19. Qf4 g5 20. Qg3 Nd5 21. Ne5 Qe7 22. Nxd5 cxd5 23. Re1 Qb4 24. Qc3 Qxc3 25. bxc3 Be6 26. Re3 Rc8 27. Kf1 Bd8 28. Ke2 Ba5 29. Kd2 b5 30. a3 Bd8 31. Kc2 Be7 32. Kb2 a5 33. Re1 Kg7 34. Ng4 b4 35. cxb4 axb4 36. a4 h5 37. Ne5 Bd6 38. a5 Kf6 39. Nd3 Bc7 40. Ra1 Ra8 41. a6 Bb6 42. Nc5 Ke7 43. Bd1 Bc8 44. Bxh5 f5 45. Be2 Kd6 46. Rc1 Bxc5 47. Rxc5 Bxa6 48. Ra5 Bb7 49. Rxa8 Bxa8 50. Kb3 Bc6 51. g3 1-0

[Event "Medellin Flores op 22nd"]
[Site "Medellin"]
[Date "2015.08.06"]
[Round "2"]
[White "Ocampo Betancur, Cristina Angela"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "1726"]
[BlackElo "1998"]
[PlyCount "86"]
[EventDate "2015.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. 0-0 0-0 10. Be3 Nbd7 11. f4 Ng4 12. Qd2 Ndf6 13. f5 Nxe3 14. Qxe3 Bc4 15. h3 Rc8 16. Kh1 b5 17. a3 a5 18. Na2 Bxa2 19. Rxa2 Rxc2 20. g4 h6 21. Bf3 Qc7 22. h4 Qc4 23. b3 Qc5 24. Qxc5 Rxc5 25. Ng3 Nd7 26. h5 Nf6 27. Ne2 Rfc8 28. Rd1 b4 29. a4 Ne8 30. Rad2 Rc2 31. Rd5 R8c5 32. R5d3 Bd8 33. Kg1 Bb6 34. Kf1 Rb2 35. Ke1 Rcc2 36. Kf1 Bc5 37. Ke1 Nf6 38. Kf1 Nxe4 39. Bxe4 Rxe2 40. Re1 Rf2+ 41. Kg1 Rh2+ 42. Kf1 Rbf2+ 43. Kg1 Rfg2+ 0-1

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.15"]
[Round "8"]
[White "Bravo, Juan Eduardo"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1724"]
[BlackElo "1943"]
[PlyCount "45"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 b6 10. f4 Bb7 11. Bf3 Nbd7 12. Qe1 b5 13. a3 Rc8 14. Rd1 Qc7 15. f5 Nb6 16. Na5 Nc4 17. Nxc4 Qxc4 18. Kh1 Nxe4 19. Bxe4 Bxe4 20. f6 Bxf6 21. Rxf6 gxf6 22. Bh6 Rfd8 23. Nxe4 1-0

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.15"]
[Round "9"]
[White "Marin, Alejandro"]
[Black "Grajales, Rubiel"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1943"]
[BlackElo "2057"]
[PlyCount "39"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Qg4 c5 6. a3 Bxc3+ 7. bxc3 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. Qd3 dxc3 12. Qxc3 Bd7 13. f4 Nf5 14. Rb1 0-0-0 15. Rg1 Kb8 16. g4 Nh4 17. Rg3 Bc8 18. h3 d4 19. Qc5 Rd5 20. Qc4 0-1

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.14"]
[Round "6"]
[White "Condori Aranya, Edwin"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2157"]
[BlackElo "1943"]
[PlyCount "71"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. d4 c6 4. Qc2 f5 5. g3 Nf6 6. Bg2 Bd6 7. 0-0 0-0 8. b3 Bd7 9. Ba3 Be8 10. Bxd6 Qxd6 11. Nbd2 Bg6 12. Ne5 Nbd7 13. Ndf3 Bh5 14. c5 Qc7 15. Rfe1 Rae8 16. b4 Bxf3 17. exf3 Nxe5 18. dxe5 Nd7 19. f4 b6 20. Qc3 bxc5 21. bxc5 Rb8 22. Rab1 Rxb1 23. Rxb1 Rb8 24. Rxb8+ Nxb8 25. Bf1 a5 26. g4 g6 27. Qh3 Qe7 28. Qb3 Qa7 29. gxf5 gxf5 30. Be2 Nd7 31. Qg3+ Kh8 32. Qg5 Qxc5 33. Qd8+ Nf8 34. Bh5 Qc1+ 35. Kg2 Kg8 36. Qe8 1-0

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.14"]
[Round "7"]
[White "Marin, Alejandro"]
[Black "Narvaez Ramirez, Faber Alberto"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1943"]
[BlackElo "2142"]
[PlyCount "12"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. g3 Bg4 6. h3 Qe6+ 0-1

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.13"]
[Round "5"]
[White "Hernandez, Cristian Andres"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2127"]
[BlackElo "1943"]
[PlyCount "64"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. a3 Nc6 9. Nb3 h6 10. Bxf6 gxf6 11. Qd2 h5 12. 0-0-0 Qc7 13. Be2 Bd7 14. h4 Ne5 15. Kb1 Nc4 16. Qd4 Rc8 17. Rd3 Be7 18. Rg3 b5 19. Qd1 a5 20. Bxh5 a4 21. Nc1 Qc5 22. Be2 Nxa3+ 23. bxa3 b4 24. N3a2 bxa3 25. Nd3 Rb8+ 26. Ka1 Qd4+ 27. c3 Qxe4 28. Qd2 Bb5 29. Rb1 d5 30. Re3 Qg6 31. h5 Qh7 32. g4 0-0 1-0

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.13"]
[Round "4"]
[White "Marin, Alejandro"]
[Black "Lotero, Camilo"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1943"]
[BlackElo "2130"]
[PlyCount "71"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 a6 5. Bc4 e6 6. Bb3 Ne7 7. 0-0 h6 8. h3 0-0 9. Be3 b5 10. a3 Bb7 11. Qd2 Kh7 12. Nh2 Nd7 13. d5 e5 14. f4 f5 15. Nf3 fxe4 16. Nxe4 Nf5 17. fxe5 Nxe3 18. Qxe3 Nxe5 19. Nd4 Bc8 20. Rxf8 Qxf8 21. Rf1 Qe7 22. c3 Bd7 23. Bc2 Nc4 24. Qg3 Be5 25. Nf6+ Qxf6 26. Rxf6 Bxg3 27. Rf7+ Kg8 28. Rxd7 Re8 29. Ne6 Nb6 30. Rg7+ Kh8 31. Bxg6 Rc8 32. Rxc7 Rxc7 33. Nxc7 Nc4 34. Nxa6 Nxb2 35. Nc7 Na4 36. Nxb5 1-0

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.12"]
[Round "2"]
[White "Marin, Alejandro"]
[Black "Sanchez, Carlos Andres"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1943"]
[BlackElo "1790"]
[PlyCount "65"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[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. c4 b4 12. Nc2 a5 13. g3 Bg5 14. Bg2 Be6 15. 0-0 Bxd5 16. Qxd5 Ne7 17. Qd3 Qc7 18. Rad1 Rd8 19. f4 Qc5+ 20. Kh1 Bf6 21. b3 0-0 22. Ne3 g6 23. Ng4 Bg7 24. f5 f6 25. Ne3 Rf7 26. fxg6 hxg6 27. Bh3 Bh6 28. Be6 Bxe3 29. Rxf6 Rdf8 30. Rdf1 Bg5 31. Rxf7 Rxf7 32. Rxf7 Kh8 33. Qf1 1-0

[Event "Dosquebrad op 1st"]
[Site "Dosquebrad"]
[Date "2013.12.12"]
[Round "3"]
[White "Prieto, Ernesto"]
[Black "Marin, Alejandro"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2108"]
[BlackElo "1943"]
[PlyCount "52"]
[EventDate "2013.12.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 c5 6. Bb5+ Nbd7 7. 0-0 0-0 8. Bxd7 Bxd7 9. Qe1 Bb5 10. d3 Rc8 11. a4 Ba6 12. Na3 b6 13. Rd1 Qc7 14. c4 Rcd8 15. Nb5 Bxb5 16. axb5 Qb7 17. Qe2 a6 18. bxa6 Qxa6 19. Ne5 b5 20. f5 bxc4 21. bxc4 Nd7 22. Nxd7 Rxd7 23. fxg6 hxg6 24. Bxg7 Kxg7 25. Qg4 f5 26. Qf4 Qd6 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "9"]
[White "Marin, Alejandro"]
[Black "Rozo Pulido, Claudia Magally"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1943"]
[BlackElo "1515"]
[PlyCount "49"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e6 7. Nc3 Qc7 8. Be3 Be7 9. Be2 Nbd7 10. Qd2 Ne5 11. b3 b6 12. 0-0 Bb7 13. Rac1 0-0 14. Rfd1 Rac8 15. h3 Ned7 16. b4 Qb8 17. a3 d5 18. cxd5 exd5 19. exd5 Nxd5 20. Nxd5 Bxd5 21. Rxc8 Qxc8 22. Nf5 Bf6 23. Qxd5 Ne5 24. Qxe5 Bxe5 25. Ne7+ 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "8"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2391"]
[BlackElo "1943"]
[PlyCount "81"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd3 Qxb2 9. Rb1 Qa3 10. Be2 Nc6 11. Nxc6 bxc6 12. f5 Qa5 13. Bd2 Qc7 14. g4 h6 15. Qg3 Rb8 16. Rd1 Rb4 17. Bd3 Qb7 18. a3 Rb2 19. 0-0 Qc7 20. Kg2 Be7 21. h4 h5 22. g5 Ng4 23. Ne2 e5 24. Qf3 a5 25. Ng3 Ra2 26. Bc4 Rxc2 27. Bxf7+ Kxf7 28. Qb3+ d5 29. Qxc2 d4 30. Qb3+ Ke8 31. Qf3 Qa7 32. Nxh5 Rxh5 33. Qxg4 g6 34. Qg3 gxf5 35. exf5 c5 36. f6 Bb7+ 37. Kh2 Bd6 38. g6 Qb8 39. f7+ Kd7 40. g7 e4 41. Bf4 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.07"]
[Round "6"]
[White "Espinoza Palomino, Willyam"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2324"]
[BlackElo "1943"]
[PlyCount "85"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be6 8. g4 d5 9. exd5 Nxd5 10. Bg2 Nxc3 11. Qxd8+ Kxd8 12. Nxc3 Nc6 13. Be3 Bb4 14. 0-0-0+ Kc7 15. Nd5+ Bxd5 16. Bxd5 Rhf8 17. c3 Be7 18. Kc2 Rad8 19. Be4 Rxd1 20. Rxd1 h6 21. a4 Rd8 22. Rxd8 Bxd8 23. Bd5 f6 24. Kd3 Ne7 25. Ke4 b6 26. b4 Kd6 27. Bb7 a5 28. bxa5 bxa5 29. c4 g5 30. Ba7 Bc7 31. f3 Kd7 32. Bf2 Kd6 33. h4 Kd7 34. h5 Kd6 35. Bd5 Kd7 36. Be3 Kd6 37. c5+ Kd7 38. Bc1 Kd8 39. Ba3 Kd7 40. c6+ Nxc6 41. Bxc6+ Kxc6 42. Kf5 Bd8 43. Bf8 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.07"]
[Round "7"]
[White "Marin, Alejandro"]
[Black "Penuela, Jorge"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "1943"]
[BlackElo "1703"]
[PlyCount "89"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 c5 8. Nb5 cxd4 9. Nc7+ Kd8 10. Nxa8 Qb4+ 11. Qd2 Qxb2 12. Rc1 Qc3 13. Qxc3 dxc3 14. Ne2 b6 15. Nxc3 Bb7 16. Nxb6 Nxb6 17. Nb5 Nc6 18. Nd6 Kc7 19. c4 f6 20. cxd5 Nxd5 21. Bb5 Ba8 22. 0-0 f5 23. Bxc6 Bxc6 24. Nb5+ Kd7 25. Nxa7 Ba8 26. Nb5 Rc8 27. Rxc8 Kxc8 28. Rc1+ Kd7 29. g3 Bb7 30. Kf2 Bc6 31. Nd4 Bb7 32. a4 h6 33. Rb1 Ba6 34. Rb8 Nc3 35. Rg8 Ne4+ 36. Ke3 g5 37. Rg7+ Ke8 38. Nxe6 gxf4+ 39. gxf4 Bc4 40. Nd4 Nc3 41. Nxf5 Nxa4 42. Ra7 Nb6 43. Rb7 Nd5+ 44. Kd4 Bf1 45. Rb8+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Guerra Gonzalez, Alejandro"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "B86"]
[BlackElo "1943"]
[PlyCount "76"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 e6 5. 0-0 Be7 6. d4 cxd4 7. Nxd4 a6 8. h3 b5 9. Bd3 Bb7 10. a3 0-0 11. Be3 Nbd7 12. f4 Nc5 13. e5 dxe5 14. fxe5 Nd5 15. Qe2 Nxe3 16. Qxe3 Bg5 17. Qf2 Nxd3 18. cxd3 Qb6 19. Kh1 Rad8 20. Nce2 Rd5 21. Qg3 Bh6 22. Rf6 Kh8 23. Rxh6 gxh6 24. Qh4 Qd8 25. Qxh6 Rxe5 26. Rg1 Rg8 27. Qf4 f6 28. Kh2 Qe7 29. Nc3 Reg5 30. Nf3 e5 31. Qe3 Rg3 32. Ne4 R3g7 33. Nh4 Bc8 34. Qh6 Rf8 35. Ng3 f5 36. Nh5 Rgg8 37. Nf3 e4 38. Re1 Qc7+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "5"]
[White "Marin, Alejandro"]
[Black "Peinado, Edwin Halley"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1943"]
[BlackElo "2121"]
[PlyCount "70"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. e5 Ne7 6. a3 Ba5 7. f4 Bxc3+ 8. bxc3 b6 9. Qg4 g6 10. Be3 Nf5 11. Bf2 h5 12. Qd1 Ba6 13. Bxa6 Nxa6 14. Qd3 Nc7 15. Nf3 Qe7 16. 0-0 Kf8 17. c4 Kg7 18. a4 dxc4 19. Qxc4 Nd5 20. Qd3 Nxf4 21. Qe4 Nd5 22. c4 Nb4 23. Be1 h4 24. Bd2 Rh5 25. a5 Rd8 26. axb6 axb6 27. Rfb1 c5 28. Bxb4 cxb4 29. Ra8 Rhh8 30. Ra6 Qd7 31. Rd1 Qc7 32. d5 Qc5+ 33. Kh1 Ng3+ 34. hxg3 hxg3+ 35. Nh4 g5 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "3"]
[White "Marin, Alejandro"]
[Black "Mateus Urbano, Luis Alejandro"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1943"]
[BlackElo "2261"]
[PlyCount "67"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. Bc4 Be6 9. Bxe6 fxe6 10. 0-0 0-0 11. f4 exf4 12. Bxf4 Nc6 13. Qe2 Ne5 14. Bxe5 dxe5 15. a5 Rc8 16. Nb1 b5 17. c3 Qe8 18. N1d2 Qg6 19. g3 Bd6 20. Qg2 Bb8 21. Rf3 Ng4 22. Raf1 Rfd8 23. Qe2 Rd7 24. Kg2 Rcd8 25. h3 Nf6 26. Rc1 h5 27. h4 Qh6 28. Nf1 Ng4 29. c4 bxc4 30. Rxc4 Ba7 31. Rc6 Rd1 32. Rc8 Rxc8 33. Qxd1 Be3 34. Qd3 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.04"]
[Round "1"]
[White "Marin, Alejandro"]
[Black "Caballero, Guillermo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1943"]
[PlyCount "85"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Bf6 7. e5 Qe7 8. f4 d6 9. 0-0 dxe5 10. Bxf7+ Kxf7 11. fxe5 h6 12. Nc3 Be6 13. exf6 Nxf6 14. Ne4 Rhd8 15. Qc3 Rd5 16. Nxf6 gxf6 17. Bxh6 Qc5+ 18. Qxc5 Rxc5 19. Rf2 Kg6 20. Raf1 Rf5 21. Bf4 Bc4 22. Rd1 c6 23. b3 Be6 24. Re1 Re8 25. c4 Bf7 26. Ref1 Re6 27. g4 Ra5 28. Bc7 Rc5 29. Bd8 Rce5 30. Bxf6 Re1 31. Bh4 Rxf1+ 32. Kxf1 b5 33. cxb5 cxb5 34. Rd2 a6 35. Kf2 Re4 36. Kf3 Re6 37. Bd8 Rc6 38. h4 Rc5 39. Rd6+ Kg7 40. Bf6+ Kg8 41. Rd8+ Kh7 42. h5 Rd5 43. Rh8# 1-0

[Event "Risaralda Province-ch"]
[Site "Pereira"]
[Date "2013.12.01"]
[Round "6"]
[White "Marin, Alejandro"]
[Black "Saladen Dulce, Rafael"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1943"]
[BlackElo "2230"]
[PlyCount "63"]
[EventDate "2013.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 h6 4. Nf3 Nf6 5. Bd3 Bb4 6. e5 Ne4 7. Bd2 Bxc3 8. bxc3 Nxd2 9. Qxd2 c5 10. 0-0 Nc6 11. Bb5 Qa5 12. a4 Bd7 13. dxc5 Rc8 14. Rfb1 0-0 15. Bxc6 Bxc6 16. Qd4 a6 17. h3 Qc7 18. Ne1 f6 19. f4 fxe5 20. fxe5 Be8 21. Nd3 Bg6 22. Nf4 Bf7 23. Ra3 Qxc5 24. Qxc5 Rxc5 25. Rxb7 Rfc8 26. a5 g5 27. Ne2 Rc4 28. Nd4 Rxc3 29. Rxc3 Rxc3 30. Rb6 Re3 31. Nxe6 Rxe5 32. Nd4 1/2-1/2

[Event "Risaralda Province-ch"]
[Site "Pereira"]
[Date "2013.12.01"]
[Round "7"]
[White "Munoz Duque, Juan Carlos"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "D49"]
[WhiteElo "1670"]
[BlackElo "1943"]
[PlyCount "30"]
[EventDate "2013.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Bxb5+ Bd7 14. Nxd7 Qa5+ 15. Qd2 Bb4 0-1

[Event "Risaralda Province-ch"]
[Site "Pereira"]
[Date "2013.11.30"]
[Round "4"]
[White "Marin, Alejandro"]
[Black "Escobar Forero, Alder"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1943"]
[BlackElo "2455"]
[PlyCount "86"]
[EventDate "2013.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Nf6 8. Bg5 Be6 9. Nc4 Rc8 10. Nd5 Bxd5 11. exd5 Ne7 12. Bxf6 gxf6 13. Ne3 f5 14. c4 Qa5+ 15. Qd2 Qxd2+ 16. Kxd2 Bh6 17. g3 Rg8 18. Be2 f4 19. gxf4 Bxf4 20. Rag1 Kd7 21. b3 f5 22. Bh5 Rcf8 23. Ke2 Ng6 24. Rg2 Ke7 25. Rhg1 Kf6 26. a4 Rg7 27. a5 Rfg8 28. Kd2 Rc7 29. Kc3 e4 30. b4 Rgg7 31. Kb3 Bh6 32. Bxg6 Rxg6 33. Nc2 Bf4 34. Nd4 Bxh2 35. Rxg6+ hxg6 36. Rh1 Rh7 37. c5 dxc5 38. bxc5 g5 39. Kc4 g4 40. Rb1 f4 41. Rb6+ Kg5 42. Re6 e3 43. fxe3 f3 0-1

[Event "Risaralda Province-ch"]
[Site "Pereira"]
[Date "2013.11.30"]
[Round "5"]
[White "Prieto, Ernesto"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2108"]
[BlackElo "1943"]
[PlyCount "132"]
[EventDate "2013.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f4 f5 2. Nf3 Nf6 3. b3 e6 4. Bb2 d5 5. e3 Bd6 6. Be2 0-0 7. 0-0 Bd7 8. Qe1 Be8 9. d3 Nbd7 10. Nbd2 Bh5 11. Qh4 Bc5 12. d4 Bd6 13. Rae1 Bxf3 14. Nxf3 Ng4 15. Qh3 Rf6 16. Bd3 Rh6 17. Qg3 Ndf6 18. Re2 Ne4 19. Qe1 g5 20. h3 gxf4 21. exf4 Ngf6 22. Ng5 Nh5 23. Bc1 Nhg3 24. Bxe4 Nxe2+ 25. Qxe2 dxe4 26. Qc4 Qd7 27. d5 b5 28. Qc3 Qg7 29. Qc6 Qd4+ 30. Kh1 Qxd5 31. Qd7 Rf8 32. Bb2 Be5 33. Qxd5 exd5 34. Bxe5 Rc6 35. h4 h6 36. Nh3 Rxc2 37. Re1 c5 38. Re3 Kf7 39. Ng5+ hxg5 40. fxg5 Kg6 41. Rh3 Rf7 42. h5+ Kxg5 43. Rg3+ Kh6 44. Bf4+ Kh7 45. Rg6 d4 46. Rh6+ Kg7 47. Rg6+ Kf8 48. Bd6+ Ke8 49. h6 e3 50. Rg8+ Kd7 51. Rg7 Rxg7 52. hxg7 Kxd6 53. g8Q e2 54. Qg3+ Kc6 55. Kh2 Rxa2 56. Qg6+ Kb7 57. Qe8 Kb6 58. Qd8+ Ka6 59. Qe7 d3 60. b4 cxb4 61. Qe6+ Kb7 62. Qd5+ Kb6 63. Qe6+ Kc5 64. Kg3 b3 65. Kf2 e1Q+ 66. Kxe1 Re2+ 0-1

[Event "Risaralda Province-ch"]
[Site "Pereira"]
[Date "2013.11.29"]
[Round "3"]
[White "Lotero, Camilo"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2130"]
[BlackElo "1943"]
[PlyCount "52"]
[EventDate "2013.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. 0-0 0-0 6. Nbd2 b6 7. b3 Ba6 8. c4 c5 9. Bb2 Nc6 10. Rc1 Rc8 11. a3 Qd7 12. cxd5 Bxd3 13. dxc6 Qd6 14. dxc5 bxc5 15. Nc4 Bxc4 16. Rxc4 Rxc6 17. Qc2 Rfc8 18. Rd1 Qc7 19. Ne5 Rd6 20. Rc1 Rd5 21. Nd3 Qd6 22. Bxf6 Bxf6 23. Nxc5 Rd2 24. Qb1 Bb2 25. Rd4 Rxc5 26. Rxc5 Bxd4 0-1

[Event "Risaralda Province-ch"]
[Site "Pereira"]
[Date "2013.11.28"]
[Round "2"]
[White "Castro Guevara, Diego Alexander"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "D48"]
[BlackElo "1943"]
[PlyCount "80"]
[EventDate "2013.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. Bd2 Bb7 11. dxc5 Bxc5 12. Ng5 Ne5 13. Bc2 Nfg4 14. Nge4 Nxh2 15. Kxh2 Qh4+ 16. Kg1 Ng4 17. Re1 f5 18. Qf3 fxe4 19. Bxe4 Rf8 20. Qg3 Qxg3 21. fxg3 Rd8 22. Rad1 Bxe4 23. Nxe4 Bb6 24. Ng5 Nxe3 25. Kh1 Rf6 26. Bxe3 Rxd1 27. Rxd1 Bxe3 28. Nh3 Rh6 29. Rd3 Bc5 30. Kh2 Ke7 31. g4 e5 32. Rd5 Bd4 33. b3 Rc6 34. Ng5 h6 35. Nf3 Rd6 36. Rxd6 Kxd6 37. Nxd4 exd4 38. Kg1 Ke5 39. Kf2 Kf4 40. g5 hxg5 0-1

[Event "Risaralda Province-ch"]
[Site "Pereira"]
[Date "2013.11.27"]
[Round "1"]
[White "Marin, Alejandro"]
[Black "Bohorquez Mahecha, Juan Pablo"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1943"]
[BlackElo "1491"]
[PlyCount "39"]
[EventDate "2013.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 Nbd7 7. Nc3 e6 8. Be3 Be7 9. Rc1 Nc5 10. b4 Ncd7 11. a3 Qb6 12. Nf5 Qc7 13. Nxg7+ Kd8 14. f4 Nb6 15. c5 Nbd7 16. cxd6 Bxd6 17. Nb5 Bxb4+ 18. axb4 Qb8 19. Bb6+ Ke7 20. Bc7 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.26"]
[Round "7.17"]
[White "Avellaneda, Jonathan"]
[Black "Marin, Alejandro"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1691"]
[BlackElo "1600"]
[PlyCount "56"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 h6 8. 0-0 Be6 9. Be3 Be7 10. h3 Nc6 11. Bd3 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Be2 0-0 15. c3 Be6 16. Re1 Qc7 17. Bf1 Rad8 18. Nd2 f5 19. f3 Bh4 20. Bf2 Bxf2+ 21. Kxf2 e4 22. Qc1 Qb6+ 23. Kg3 Qg1 24. f4 Rf6 25. Bc4 Rd3+ 26. Bxd3 Rg6+ 27. Kh4 Qf2+ 28. Kh5 Bf7 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.25"]
[Round "5.16"]
[White "Lopez Idarraga, Daniel Eduardo"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1748"]
[BlackElo "1600"]
[PlyCount "81"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. e4 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bd3 Nbd7 7. Nf3 h6 8. Bxf6 Nxf6 9. 0-0 0-0 10. Ne5 Nxe4 11. Bxe4 Bf6 12. f4 Bd7 13. Bxb7 Rb8 14. Qf3 Ba4 15. c3 Qd6 16. b3 Bb5 17. Rfe1 c5 18. Be4 cxd4 19. Rad1 Qa6 20. a4 Be8 21. cxd4 Qb6 22. Qf2 Rd8 23. Rd3 Bd7 24. d5 exd5 25. Qxb6 axb6 26. Rxd5 Be6 27. Rb5 Rd6 28. Rc1 Rd4 29. Re1 Rd6 30. Bf3 Rc8 31. h3 Rc2 32. Kh2 Rd4 33. Re4 Rd6 34. Reb4 Bd8 35. f5 Bc8 36. Nc4 Rd3 37. Be4 Bc7+ 38. Ne5 Rdd2 39. Bxc2 f6 40. Rc4 Bb7 41. Rxc7 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.25"]
[Round "4.16"]
[White "Marin, Alejandro"]
[Black "Lombana, Juan Camilo"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "1600"]
[BlackElo "2000"]
[PlyCount "57"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. a4 Nc6 9. Be3 Bd7 10. f4 Qc7 11. Kh1 0-0 12. Qe1 Rac8 13. Rd1 Rfe8 14. Qg3 Bf8 15. e5 dxe5 16. fxe5 Qxe5 17. Bf4 Qc5 18. Nb3 Qb4 19. Be3 Nd5 20. Nxd5 exd5 21. Rxd5 Be6 22. Rd3 Qxa4 23. Bc5 Bxc5 24. Nxc5 Qxc2 25. Nxe6 Rxe6 26. Rd7 Ne5 27. Bd3 Qxb2 28. Qh3 Nxd3 29. Rdxf7 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.24"]
[Round "3.12"]
[White "Becerra, Juan David"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2105"]
[BlackElo "1600"]
[PlyCount "29"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Be7 7. 0-0 a6 8. Qe2 d6 9. Rd1 Qc7 10. Bf4 Nf6 11. Rac1 0-0 12. Bb3 e5 13. Be3 b5 14. Nd5 Qb7 15. Rxc6 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.23"]
[Round "1.16"]
[White "Marin, Alejandro"]
[Black "Herrera, Juan Sebastian"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1600"]
[BlackElo "2006"]
[PlyCount "78"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. d3 Bb7 8. c3 d6 9. Nbd2 h6 10. Re1 Qe7 11. Nf1 g5 12. Be3 Rd8 13. Ng3 Bc8 14. Qe2 Bxe3 15. Qxe3 Ng4 16. Qc1 Nf6 17. a4 Nh7 18. axb5 axb5 19. d4 g4 20. Bd5 Nb8 21. Nd2 c6 22. Bb3 Nf8 23. Ra8 Qb7 24. Ra2 h5 25. Qa1 Na6 26. Ndf1 Ng6 27. Nf5 f6 28. Ra5 Nf4 29. N1e3 c5 30. Nd5 Nxd5 31. Bxd5 Qb6 32. Qa2 Nc7 33. Bf7+ Kf8 34. Bg6 Be6 35. Qa3 cxd4 36. cxd4 Bxf5 37. Bxf5 Qxd4 38. Ra7 Ne8 39. Qb3 Qxa7 0-1

[Event "ESP-ch U14"]
[Site "Linares"]
[Date "2007.07.16"]
[Round "2"]
[White "Garcia Gil, Bernardino"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2053"]
[BlackElo "1884"]
[PlyCount "53"]
[EventDate "2007.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Bc5 5. d4 Nxd4 6. Nxe5 0-0 7. Be3 d5 8. exd5 Nxd5 9. Bxd4 Bxd4 10. Qxd4 Be6 11. Nc3 Nxc3 12. Qxc3 Bxc4 13. Nxc4 c6 14. h3 Qc7 15. Qe5 Rac8 16. Qxc7 Rxc7 17. Rad1 g6 18. Rfe1 b6 19. Nd6 Rd7 20. Ne4 Rb7 21. g4 Kg7 22. g5 h6 23. h4 h5 24. Nf6 c5 25. Re8 Rb8 26. Rde1 Rfxe8 27. Rxe8 1-0

[Event "Baleares-ch U16"]
[Site "Llucmajor"]
[Date "2001.05.27"]
[Round "6"]
[White "Castell Cantero, Salvador"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "45"]
[EventDate "2001.05.24"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bb4+ 5. c3 Bc5 6. Bxc6 bxc6 7. Nxe5 0-0 8. 0-0 Re8 9. Bf4 d6 10. Nxc6 Qd7 11. Na5 Rb8 12. Nb3 Bb6 13. N1d2 Ba6 14. Nf3 Nh5 15. Bg5 Bb5 16. Re1 Ba4 17. e5 Re6 18. exd6 Rxd6 19. Ne5 Qc8 20. Qxh5 g6 21. Qd1 Qf5 22. Be3 Qxe5 23. Bxb6 1-0

[Event "Baleares-ch U16"]
[Site "Llucmajor"]
[Date "2001.05.26"]
[Round "3"]
[White "Marin, Alejandro"]
[Black "Castell Cantero, Salvador"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "50"]
[EventDate "2001.05.24"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Nc3 Bc5 6. Bc4 0-0 7. Nf3 Re8 8. Ng5 h6 9. Bxf7+ Kh8 10. Bxe8 Qxe8 11. 0-0 hxg5 12. Bxg5 Nxe4 13. Nxe4 Qxe4 14. Qe1 Qg6 15. Bf4 d6 16. Be3 Bh3 17. g3 Bxf1 18. Qxf1 Bxe3 19. fxe3 Ne5 20. Rd1 Ng4 21. h3 Nxe3 22. Qf3 Nxd1 23. Qxd1 Qxg3+ 24. Kf1 Rf8+ 25. Ke2 Rf2+ 0-1

[Event "Baleares-ch U16"]
[Site "Llucmajor"]
[Date "2001.05.26"]
[Round "5"]
[White "Marin, Alejandro"]
[Black "Pons Blanco, Cristobal"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "65"]
[EventDate "2001.05.24"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 g6 3. Bb5+ Bd7 4. Bd3 Bg7 5. Qf3 Nf6 6. Qe2 0-0 7. Nh3 Bxh3 8. gxh3 Qd7 9. Qf1 Nc6 10. Be2 Nd4 11. Bd3 Rad8 12. Nb5 Nxe4 13. Nxd4 Bxd4 14. Bxe4 Qe6 15. c3 Qxe4+ 16. Kd1 Bb6 17. Rg1 d5 18. Rg4 Qf3+ 19. Kc2 Bxf2 20. Rb4 e5 21. Rxb7 Qe4+ 22. Kd1 Bb6 23. Qe1 Qf3+ 24. Qe2 Qxh3 25. Qxe5 Rc8 26. a4 f6 27. Qxd5+ Kh8 28. Qh1 f5 29. a5 Bf2 30. Rb4 Rfe8 31. Rf4 Re1+ 32. Qxe1 Bxe1 33. Kxe1 0-1

[Event "Baleares-ch U16"]
[Site "Llucmajor"]
[Date "2001.05.26"]
[Round "2"]
[White "Pons Blanco, Cristobal"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "84"]
[EventDate "2001.05.24"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d3 d5 2. Nf3 Bg4 3. Nbd2 Nf6 4. g3 Qc8 5. Bg2 Bh3 6. 0-0 Bxg2 7. Kxg2 Nbd7 8. Rg1 e6 9. Kf1 Bd6 10. b3 Be5 11. d4 Bd6 12. g4 h6 13. Ke1 0-0 14. Nf1 e5 15. Qd2 Ne4 16. Qe3 Bb4+ 17. Kd1 exd4 18. Nxd4 Bc3 19. Rb1 Nb6 20. Nf3 Qd8 21. h4 d4 22. Qxe4 Re8 23. Qf4 Nd5 24. Qg3 Nf6 25. g5 hxg5 26. Qxg5 Kf8 27. Ba3+ Re7 28. Qxg7+ Ke8 29. Bxe7 Kxe7 30. Ne5 Ke6 31. Rg5 Qg8 32. Qh6 Qh8 33. Qxh8 Rxh8 34. f4 Rxh4 35. e3 dxe3 36. Nf3 Rxf4 37. Ke2 Ng4 38. Nxe3 f6 39. Rxg4 Rb4 40. Rxb4 Bxb4 41. Kd3 f5 42. c3 Bd6 1-0

[Event "Baleares-ch U16"]
[Site "Llucmajor"]
[Date "2001.05.24"]
[Round "1"]
[White "Dias Segura, Josep Aires"]
[Black "Marin, Alejandro"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "36"]
[EventDate "2001.05.24"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. d3 Ng4 7. Bg5 Qe8 8. Bb3 d6 9. h3 Nh6 10. Nb5 Bb6 11. d4 exd4 12. Re1 Ba5 13. Re2 a6 14. Nbxd4 Nxd4 15. Qxd4 Bb6 16. Qc3 Ng4 17. hxg4 Bxg4 18. Ree1 Bd7 1-0

