[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2016.12.09"]
[Round "5"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Alvarez, Nelson"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2177"]
[BlackElo "1793"]
[PlyCount "57"]
[EventDate "2016.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. Be3 Bg7 5. Nc3 c6 6. Qd2 h6 7. Bd3 e5 8. d5 c5 9. Nge2 a6 10. a4 Qc7 11. Ng3 Nbd7 12. a5 b5 13. axb6 Nxb6 14. 0-0 g5 15. Na4 0-0 16. b3 Bd7 17. Nb2 Bb5 18. Nf5 Nh5 19. Bxg5 Bxd3 20. cxd3 f6 21. Bxh6 Bxh6 22. Qxh6 Nf4 23. g3 Ne2+ 24. Kh1 Rf7 25. Qg6+ Kf8 26. Nh6 Rh7 27. Qxf6+ Ke8 28. Qg6+ Kd8 29. Qg8+ 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2016.12.08"]
[Round "2"]
[White "Alvarez, Nelson"]
[Black "Duque Pinzon, Santiago"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1793"]
[BlackElo "2010"]
[PlyCount "74"]
[EventDate "2016.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nbd7 7. Bg5 c6 8. e3 Kc7 9. a3 a5 10. Be2 Ne8 11. 0-0 f6 12. Bh4 Nb6 13. Rac1 Be6 14. Ne4 Na4 15. b3 Nb6 16. a4 Bb4 17. Bg3 Nd7 18. Nd4 Bf7 19. Rfd1 Nd6 20. Nxd6 Bxd6 21. Nf5 Bf8 22. f4 g6 23. fxe5 fxe5 24. Nh4 Bh6 25. Rd3 Rhe8 26. Nf3 Nc5 27. Rdc3 Ne4 28. Nxe5 Nxg3 29. hxg3 Rxe5 30. Rd1 Rae8 31. Kf2 Bxe3+ 32. Kf1 Bc5 33. Bg4 h5 34. Bh3 g5 35. Bd7 R8e7 36. Rcd3 Bg6 37. R3d2 Rf7+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "8"]
[White "Alvarez, Nelson"]
[Black "Rodriguez Correa, Enrique"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1773"]
[BlackElo "1999"]
[PlyCount "72"]
[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. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 a6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 c5 10. 0-0 Be7 11. b3 0-0 12. Bb2 Rc8 13. Rc1 Qb6 14. Bb1 Rfd8 15. Na2 Be4 16. Bxe4 Nxe4 17. Nc3 Ndf6 18. Nxe4 Nxe4 19. Ne5 Nf6 20. Qf3 Rf8 21. Rc2 cxd4 22. Nc6 Nd5 23. Bxd4 Qb7 24. Nxe7+ Qxe7 25. Rxc8 Rxc8 26. b4 Qc7 27. Qg4 f5 28. Qg5 h6 29. Qg6 Qf7 30. Qg3 Nc3 31. Qf3 Qc7 32. g4 Ne4 33. Rd1 Qc2 34. gxf5 exf5 35. Kg2 Nxf2 36. Rf1 Ng4+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "9"]
[White "Medina, Alfonso"]
[Black "Alvarez, Nelson"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "1773"]
[PlyCount "125"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. e5 dxe5 5. dxe5 Qxd1+ 6. Nxd1 Nd5 7. Bc4 Nb4 8. Ne3 Bh6 9. Nd5 Nxd5 10. Bxh6 Nb4 11. 0-0-0 Bf5 12. Bb3 Nd7 13. a3 Nc6 14. Nf3 Bg4 15. Rhe1 0-0-0 16. e6 fxe6 17. Bxe6 Bxe6 18. Rxe6 Nf6 19. Rde1 Rhg8 20. Bg5 Rd6 21. Bxf6 Rxe6 22. Rxe6 Kd7 23. Rxc6 bxc6 24. Bd4 a6 25. c4 h6 26. Ne5+ Ke6 27. Nxc6 Kd6 28. Nb4 c5 29. Be3 cxb4 30. axb4 g5 31. Kc2 e5 32. Kb3 Kc6 33. Ka4 e4 34. b5+ axb5+ 35. cxb5+ Kb7 36. Kb4 Rc8 37. Bc5 h5 38. Kc4 g4 39. Kd4 h4 40. b4 Re8 41. Ke3 h3 42. g3 Kc7 43. Kf4 Rg8 44. Kxe4 Kd7 45. Kf5 Rg7 46. Be3 Kd6 47. Bg5 Rf7+ 48. Kxg4 Rxf2 49. Kxh3 Rb2 50. b6 Rxb4 51. Bd8 Kd7 52. Bc7 Re4 53. g4 Re8 54. Kg3 Re3+ 55. Kf4 Rh3 56. Kf5 Rf3+ 57. Kg6 Rf8 58. Kg7 Rf2 59. g5 Rg2 60. g6 Re2 61. Kh7 Re7+ 62. g7 Ke6 63. b7 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.07"]
[Round "6"]
[White "Pineda Arevalo, Jose Ariel"]
[Black "Alvarez, Nelson"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2038"]
[BlackElo "1773"]
[PlyCount "35"]
[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. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 0-0 6. 0-0 b6 7. d4 e6 8. e4 d6 9. e5 Ng4 10. h3 Nh6 11. Bg5 Qd7 12. Ne4 Bb7 13. Bxh6 d5 14. Nf6+ Bxf6 15. exf6 Rfe8 16. Qd2 e5 17. Bg7 e4 18. Qh6 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Alvarez, Nelson"]
[Black "Estrella Becerra, Fernando"]
[Result "1-0"]
[ECO "A76"]
[WhiteElo "1773"]
[BlackElo "2039"]
[PlyCount "74"]
[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. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Qc2 a6 11. a4 b6 12. h3 h6 13. Re1 Nbd7 14. Bf4 Nf8 15. Rad1 g5 16. Bg3 Ng6 17. Bd3 Nh5 18. Bh2 Nhf4 19. Ne2 Nxd3 20. Qxd3 Bxb2 21. Nc3 Qf6 22. Nb1 Ne5 23. Nxe5 Bxe5 24. Nd2 Bxh2+ 25. Kxh2 Bd7 26. Qb3 b5 27. a5 Rac8 28. Kg1 c4 29. Qa3 c3 30. Nf1 Rc4 31. f3 Rec8 32. Ng3 c2 33. Rc1 b4 34. Qa2 Qd4+ 35. Kh1 Qd3 36. Nh5 Bb5 37. Qb2 Qc3 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "5"]
[White "Dominguez, Oscar Alberto"]
[Black "Alvarez, Nelson"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2111"]
[BlackElo "1773"]
[PlyCount "29"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Nge2 0-0 6. Bg2 c6 7. a4 e5 8. 0-0 Bg4 9. Be3 Na6 10. h3 Bd7 11. f4 Qc7 12. g4 exf4 13. Bxf4 Rfd8 14. Bg5 h6 15. Bxf6 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.13"]
[Round "8"]
[White "Nieto Mancilla, Frank Fernando"]
[Black "Alvarez, Nelson"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1847"]
[BlackElo "1821"]
[PlyCount "10"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. c3 b6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "6"]
[White "Alvarez, Nelson"]
[Black "Corredor Castellanos, Camilo"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "1821"]
[BlackElo "1873"]
[PlyCount "88"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 Be7 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. a3 a6 11. Re1 c5 12. Bd2 0-0 13. Rc1 Rc8 14. Bb1 Nb6 15. dxc5 Bxc5 16. Qe2 Bxf3 17. gxf3 Nc4 18. Rc2 Qe7 19. e4 Rfd8 20. Bg5 h6 21. Bh4 g5 22. Bg3 Nh5 23. f4 Nxf4 24. Bxf4 gxf4 25. Kh1 Kh8 26. Qh5 Qf6 27. e5 Qg6 28. Qh3 Rd3 29. f3 Re3 30. Rce2 Qg7 31. Rg1 Qxg1+ 32. Kxg1 Rxf3+ 33. Kg2 Rxh3 34. Kxh3 f3 35. Re4 f2 36. Rf4 Be3 37. Rxf7 Nxe5 38. Rh7+ Kg8 39. Kg2 Rf8 40. Kf1 Ng4 41. Bd3 Nxh2+ 42. Kg2 f1Q+ 43. Bxf1 Rf2+ 44. Kg3 Nxf1+ 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "5"]
[White "Zuniga, Luis Enrique"]
[Black "Alvarez, Nelson"]
[Result "0-1"]
[ECO "D91"]
[BlackElo "1821"]
[PlyCount "54"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 c6 6. e3 0-0 7. Rc1 Re8 8. Be2 Qb6 9. Qc2 Bf5 10. Bd3 Bg4 11. Nd2 e5 12. Nb3 exd4 13. Nxd4 Qxd4 14. 0-0 Qe5 15. Bf4 Qe7 16. b3 Nbd7 17. Rce1 Qb4 18. Qb2 Nh5 19. a3 Qxc3 20. Qxc3 Bxc3 21. Rc1 Bb2 22. Rc2 Nxf4 23. exf4 Bxa3 24. cxd5 cxd5 25. Rc7 Nc5 26. Bc2 b6 27. Re7 Rxe7 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "4"]
[White "Alvarez, Nelson"]
[Black "Ruiz Cruz, Cesar Augusto"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1821"]
[BlackElo "1835"]
[PlyCount "65"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bf5 5. Nf3 h6 6. Be2 e6 7. 0-0 dxc4 8. Bxc4 b5 9. Be2 Bd6 10. Bd2 Ne4 11. Rc1 Nxd2 12. Nxd2 0-0 13. e4 Bg6 14. Bf3 a5 15. e5 Be7 16. Ndb1 Qb6 17. Qd2 Rd8 18. Rfd1 Bg5 19. Qe2 Bxc1 20. Rxc1 Ra6 21. d5 exd5 22. e6 Re8 23. exf7+ Bxf7 24. Qd3 Qd8 25. a4 b4 26. Ne2 Qf6 27. b3 Qb2 28. Rd1 Ra7 29. Nd2 Rae7 30. g3 Qf6 31. Nf4 Re1+ 32. Rxe1 Rxe1+ 33. Kg2 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "3"]
[White "Bejarano, Danny Andres"]
[Black "Alvarez, Nelson"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2028"]
[BlackElo "1821"]
[PlyCount "100"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 e6 7. Qe2 c5 8. e5 Nd5 9. Nxd5 exd5 10. c3 c4 11. Bc2 Re8 12. Be3 Nc6 13. 0-0-0 b5 14. Rhg1 b4 15. Ba4 Bb7 16. cxb4 a5 17. b5 Nb4 18. Kb1 Qb6 19. Bd2 Rac8 20. Bc3 Nd3 21. Qd2 Ra8 22. g4 dxe5 23. dxe5 Bf8 24. f5 Bc5 25. Qh6 Be3 26. Ng5 Bxg5 27. Qxg5 d4 28. f6 Qc5 29. Qh6 Qf8 30. Qxf8+ Kxf8 31. Bxd4 Nxe5 32. Bc5+ Kg8 33. Be7 Rac8 34. Rg3 Nd3 35. Bc2 Nb4 36. Rd7 Bh1 37. Rg1 Bf3 38. Rg3 Bh1 39. Rg1 Bf3 40. a3 Nd3 41. Rg3 Bh1 42. Bxd3 cxd3 43. Re3 Rc4 44. Bd8 Be4 45. Ka2 a4 46. Rexd3 h5 47. Rd1 Bc2 48. R1d2 hxg4 49. b6 Rc8 50. Bc7 Rxc7 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "2"]
[White "Alvarez, Nelson"]
[Black "Molina Mojica, Angel Valentin"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "1821"]
[PlyCount "76"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. e3 c5 4. Nc3 dxc4 5. Bxc4 cxd4 6. exd4 Nf6 7. Nf3 a6 8. 0-0 b5 9. Bd3 Bb7 10. h3 Be7 11. Be3 0-0 12. a3 Nbd7 13. Rc1 Rc8 14. Bb1 Nb6 15. Ng5 Nc4 16. Qc2 h6 17. Nh7 Re8 18. Nxf6+ Bxf6 19. Qh7+ Kf8 20. Ne4 Bxe4 21. Bxe4 Ke7 22. Bb7 Rb8 23. Bc6 Rh8 24. Qe4 Nd6 25. Qd3 Kf8 26. d5 e5 27. Bc5 Be7 28. f4 e4 29. Qd4 Nf5 30. Bxe7+ Qxe7 31. Qe5 Nd6 32. Rc3 Qa7+ 33. Kh1 Nc4 34. Rxc4 bxc4 35. Qxe4 Qc5 36. Re1 Kg8 37. Qe5 Rb6 38. Qf5 Rb8 1/2-1/2

