[Event "IRT Open Elo Mayor a 1900 Liga Ajedrez"]
[Site "Bogotá"]
[Date "2013.12.11"]
[Round "1.1"]
[White "Vargas, Mauricio"]
[Black "Jimenez, Leonardo Andres"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2033"]
[BlackElo "1875"]
[PlyCount "74"]
[EventDate "2013.12.11"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 c4 6. a3 Be7 7. f4 Nc6 8. Nf3 Nh6
9. Be3 O-O 10. Be2 Bd7 11. O-O Nf5 12. Qd2 Qb6 13. Bf2 f6 14. g4 Nh6 15. h3
fxe5 16. Nxe5 Nxe5 17. fxe5 Rf7 18. Rab1 Raf8 19. Be3 Rxf1+ 20. Bxf1 Nf7 21.
Bg2 h6 22. b3 cxb3 23. Rxb3 Qc6 24. Qe1 b6 25. Qg3 Qc8 26. h4 Qd8 27. Bf2 Bc6
28. Ne2 Nh8 29. Bh3 Bd7 30. Bg2 Ng6 31. h5 Bh4 32. hxg6 Bxg3 33. Bxg3 Qg5 34.
Rf3 Qxg4 35. Rxf8+ Kxf8 36. Kf2 Qxg6 37. Nf4 Qxc2+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.11"]
[Round "1.2"]
[White "Manrique, Fernando"]
[Black "Barrios, Felipe"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1997"]
[BlackElo "1948"]
[PlyCount "78"]
[EventDate "2013.12.11"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 d4 6. Ne2 e5 7. Ng3 Nd7 8. Bc4
Ngf6 9. Qb3 Nc5 10. Bxf7+ Kd7 11. Qf3 g6 12. d3 Qe7 13. Bb3 Bg7 14. Bd2 Rhf8
15. Qe2 a5 16. c3 dxc3 17. Bxc3 Kc7 18. O-O h5 19. Qd2 b6 20. Bc2 Nfd7 21. b4
axb4 22. Bxb4 h4 23. Ne2 g5 24. f3 Qf6 25. Qc3 Rfb8 26. a4 Bf8 27. a5 b5 28. d4
exd4 29. Nxd4 Ra6 30. Rfd1 Bd6 31. Nf5 Be5 32. Nd4 Qf4 33. Bxc5 Qh2+ 34. Kf1
Qh1+ 35. Kf2 Bg3+ 36. Ke3 Bf4+ 37. Kf2 Bg3+ 38. Ke3 Bf4+ 39. Kf2 Bg3+ 1/2-1/2

[Event "IRT Open ELO Mayor a 1900 Liga Ajedrez "]
[Site "Bogotá"]
[Date "2013.12.11"]
[Round "1.3"]
[White "Nieto, Guillermo Luigui Ub"]
[Black "Estrella Becerra, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1978"]
[BlackElo "2039"]
[PlyCount "114"]
[EventDate "2013.12.11"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Be3 Nbd7 7. e5 Ne8 8. Bc4
Nb6 9. Be2 Be6 10. O-O Nc4 11. Bc1 Nb6 12. Bf4 Bc4 13. b3 Bxe2 14. Qxe2 d5 15.
e6 f6 16. Rad1 Nd6 17. Nb5 a6 18. Nxd6 cxd6 19. c4 Rc8 20. Rc1 dxc4 21. bxc4 d5
22. c5 Nc4 23. Nd2 Nxd2 24. Qxd2 b5 25. c6 Qb6 26. Qc3 f5 27. Be5 f4 28. Bxg7
Kxg7 29. Qc5 Qxc5 30. Rxc5 Rc7 31. Re1 Rd8 32. Re5 Rd6 33. Rcxd5 Rcxc6 34. Rxd6
Rxd6 35. Re4 g5 36. h4 h6 37. hxg5 hxg5 38. g3 fxg3 39. fxg3 Kf6 40. Re3 Rxd4
41. a3 Rd6 42. Re4 Rxe6 43. Rb4 Rc6 44. Rb3 Rc4 45. Rf3+ Ke5 46. Re3+ Re4 47.
Rc3 Kf5 48. Kf2 Rc4 49. Rd3 e5 50. Rb3 Ke4 51. Re3+ Kd4 52. Rb3 e4 53. g4 Rc2+
54. Kf1 Rc3 55. Rb4+ Rc4 56. Rb3 Ke5 57. Ke2 Kf4 0-1

[Event "IRT Open ELO Mayor a 1900 Liga Ajedrez "]
[Site "Bogotá"]
[Date "2013.12.11"]
[Round "1.4"]
[White "Corpus Vanegas, Eugenio Miguel"]
[Black "Nieto, Manuel Valerio Wald"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "2026"]
[PlyCount "58"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. c4 Nc7 8. Nc3
Bg7 9. Bf4 O-O 10. O-O-O Ne6 11. Bg3 b6 12. h4 h5 13. Qc2 Ba6 14. Qd2 Nc5 15.
Qe3 Rc8 16. Bf4 Ne6 17. Bh6 Na5 18. Bxg7 Nxg7 19. b3 Nf5 20. Qg5 b5 21. Bd3 e6
22. Ne4 Qxg5+ 23. Nfxg5 bxc4 24. Nf6+ Kg7 25. bxc4 Bxc4 26. Bxc4 Nxc4 27. Kb1
Rb8+ 28. Ka1 Na3 29. Rc1 Nd4 0-1

[Event "IRT Open ELO Mayor a 1900 Liga Ajedrez "]
[Site "Bogotá"]
[Date "2013.12.11"]
[Round "1.5"]
[White "Guerrero, Hernando"]
[Black "Ribero, Guillermo Andres"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1900"]
[BlackElo "1812"]
[PlyCount "59"]
[EventDate "2013.12.11"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. Nxb5 Ba6 7. Nc3 d6 8. g3
g6 9. Bg2 Bg7 10. Nf3 O-O 11. O-O Nbd7 12. Re1 Nb6 13. Qc2 Ng4 14. h3 Ne5 15.
Nxe5 Bxe5 16. b3 Ra7 17. Rb1 Bb7 18. e4 f5 19. exf5 Rxf5 20. Be3 Qa8 21. Rbd1
Nxd5 22. a4 Qc8 23. Qd3 Nxe3 24. Qxe3 Bxg2 25. Kxg2 Bxc3 26. Qxc3 e6 27. Rxd6
Kf7 28. Qe3 Qe8 29. Rxe6 Qxe6 30. Qxe6+ 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "2.1"]
[White "Jimenez, Leonardo Andres"]
[Black "Ribero, Guillermo Andres"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1875"]
[BlackElo "1812"]
[PlyCount "54"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 Nc6 8. h3
O-O 9. O-O Bd7 10. Kh1 Qc8 11. Be2 Bxh3 12. gxh3 Qxh3+ 13. Kg1 Ne5 14. Bf4 Nfg4
15. Re1 f5 16. Bf1 Qh5 17. exf5 gxf5 18. Nd5 Bf6 19. Nf3 Kh8 20. Nxe5 dxe5 21.
Rxe5 Qg6 22. Nxe7 Bxe7 23. Rxe7 Ne3+ 24. Kh1 Nxd1 25. Be5+ Rf6 26. Re6 Nxf2+
27. Kh2 Ng4+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "2.2"]
[White "Nieto, Manuel Valerio Waldo"]
[Black "Guerrero, Hernando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2026"]
[BlackElo "1900"]
[PlyCount "91"]
[EventDate "2013.12.11"]

1. Nf3 e6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O Nf6 6. b3 Be7 7. Bb2 O-O 8. Nc3
d6 9. e3 Nc6 10. Qe2 Rb8 11. Rad1 a6 12. d4 cxd4 13. Nxd4 Nxd4 14. Rxd4 Bxg2
15. Kxg2 Qc7 16. Rfd1 Rfd8 17. e4 Ne8 18. f4 Qc6 19. Qf3 b5 20. e5 Qxf3+ 21.
Kxf3 b4 22. Ne4 dxe5 23. Rxd8 Rxd8 24. Rxd8 Bxd8 25. Bxe5 f6 26. Bd4 Kf7 27.
Nc5 a5 28. Nb7 Bc7 29. Bc5 h5 30. Ke4 f5+ 31. Kf3 g6 32. Bd4 Ke7 33. h4 Kd7 34.
Nc5+ Kd6 35. Nd3 Kc6 36. Ne5+ Bxe5 37. Bxe5 Kc5 38. Ke3 Kc6 39. Kd4 Nd6 40.
Bxd6 Kxd6 41. c5+ Kc6 42. Kc4 e5 43. fxe5 g5 44. hxg5 f4 45. Kd4 fxg3 46. Ke3
1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "2.3"]
[White "Estrella Becerra, Fernando"]
[Black "Corpus Vanegas, Eugenio Miguel"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2039"]
[BlackElo "1872"]
[PlyCount "114"]
[EventDate "2013.12.11"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nf3 O-O 5. O-O c5 6. Nc3 Nc6 7. d4 cxd4 8.
Nxd4 Qb6 9. Nb3 d6 10. Be3 Qd8 11. h3 Be6 12. Nd5 Qc8 13. Kh2 Re8 14. Rc1 Rb8
15. Nd4 Bd7 16. Nb5 Qd8 17. b3 Qa5 18. a4 Rec8 19. Nxa7 Nxa7 20. Nxe7+ Kh8 21.
Bxa7 Qxa7 22. Nxc8 Rxc8 23. Qxd6 Bc6 24. e3 Qb6 25. b4 Rd8 26. c5 Rxd6 27. cxb6
Bxa4 28. Rc8+ Be8 29. e4 Re6 30. e5 Nd7 31. Bd5 Re7 32. Bxf7 Rxf7 33. e6 Rf8
34. exd7 Bxd7 35. Rc7 Bc6 36. f4 Re8 37. g4 Bd4 38. b5 Bxb6 39. Rxc6 bxc6 40.
bxc6 Rc8 41. Rc1 Be3 42. Rc4 Kg7 43. Kg3 Kf7 44. h4 Bb6 45. g5 Rc7 46. Kg4 Ke6
47. Rc2 Kd5 48. f5 gxf5+ 49. Kxf5 Rf7+ 50. Kg4 Bc5 51. h5 Kxc6 52. g6 hxg6 53.
hxg6 Rf1 54. Kg5 Kd5 55. Rd2+ Bd4 56. g7 Rg1+ 57. Kh6 Rxg7 1/2-1/2

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "2.4"]
[White "Barrios, Felipe"]
[Black "Nieto, Guillermo Luigui Uba"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1948"]
[BlackElo "1978"]
[PlyCount "93"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. O-O Nc6 5. Nc3 d6 6. h3 e6 7. d3 Nge7 8. Bg5
O-O 9. Qd2 a6 10. Bh6 b5 11. Bb3 d5 12. Bxg7 Kxg7 13. a3 Bb7 14. exd5 exd5 15.
d4 c4 16. Ba2 Re8 17. Rae1 Qb6 18. Ne2 a5 19. c3 b4 20. Ng3 h6 21. Ne5 Nxe5 22.
Rxe5 bxa3 23. bxa3 Qd6 24. Qc1 Nc6 25. Ree1 a4 26. Bb1 Na5 27. Bf5 Nb3 28. Qb2
Bc6 29. Bg4 Rab8 30. Rxe8 Rxe8 31. Bf3 Rb8 32. Qa2 Qf4 33. Rd1 Nc1 34. Qa1 Nd3
35. Nf1 Rb3 36. Ne3 Qd6 37. Nc2 Rb8 38. Nb4 Nf4 39. Qc1 Ne6 40. Qe3 f6 41. Re1
Re8 42. Qc1 Nc7 43. Rxe8 Bxe8 44. h4 Qe6 45. g3 Bd7 46. Qf4 Nb5 47. Bxd5 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "2.5"]
[White "Vargas, Mauricio"]
[Black "Manrique, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2033"]
[BlackElo "1997"]
[PlyCount "118"]
[EventDate "2013.12.11"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8.
c4 Qb4+ 9. Qd2 Nf4 10. Nc3 Ne6 11. f4 Be7 12. Be2 Ba6 13. b3 Nxf4 14. Bf3 Ne6
15. Bb2 Bg5 16. Qe2 Rb8 17. O-O Bxc4 18. bxc4 Qxb2 19. Rab1 Qxe2 20. Nxe2 Be3+
21. Kh1 Rxb1 22. Rxb1 Ke7 23. Rb3 Bc5 24. g3 Rc8 25. Bg4 Bb6 26. Kg2 Rd8 27.
Kf3 g5 28. Rd3 d5 29. Bf5 h5 30. h3 dxc4 31. Rxd8 Kxd8 32. h4 gxh4 33. gxh4 Ke7
34. Be4 Nd4+ 35. Nxd4 Bxd4 36. Kf4 c3 37. Bc2 Bf2 38. Kg5 Ke6 39. Kxh5 Kxe5 40.
Kg4 Kd4 41. Kf3 Bxh4 42. Ke2 c5 43. Bh7 c4 44. Bc2 Ke5 45. Kf3 f5 46. Bb1 Bg5
47. Bc2 Bd2 48. Kg3 Kd4 49. Kf3 f4 50. Ke2 a5 51. Kf3 Kc5 52. a3 Bc1 53. Ke4
Bxa3 54. Kxf4 Bc1+ 55. Kf3 Kb4 56. Ke2 a4 57. Kd1 Bf4 58. Bb1 Kb3 59. Bc2+ Ka3
0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "3.1"]
[White "Manrique, Fernando"]
[Black "Jimenez, Leonardo Andres"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1997"]
[BlackElo "1875"]
[PlyCount "71"]
[EventDate "2013.12.11"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Qg4 Nf6 5. Qxg7 Rg8 6. Qh6 c5 7. e5 cxd4 8. a3
Qa5 9. exf6 dxc3 10. b3 Nd7 11. Bd3 Rxg2 12. Qxh7 Nxf6 13. Qh8+ Ke7 14. Kf1 Rg8
15. Qh4 Rg4 16. Qh6 d4 17. h4 Bd6 18. Bg5 Be5 19. Nf3 Qd5 20. Nxe5 Qxh1+ 21.
Ke2 Re4+ 22. Bxe4 Qxe4+ 23. Kf1 Qxe5 24. Re1 Qf5 25. Re4 e5 26. f4 Qh3+ 27. Kg1
Qg3+ 28. Kh1 Qf3+ 29. Kh2 Qxe4 30. Qxf6+ Kd7 31. Qxf7+ Kd6 32. fxe5+ Kxe5 33.
Bf6+ Kf4 34. Bxd4+ Bf5 35. Qc7+ Kg4 36. Qg3+ 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "3.2"]
[White "Nieto, Guillermo Luigui Uba"]
[Black "Vargas, Mauricio"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1978"]
[BlackElo "2033"]
[PlyCount "62"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nc3 a6 3. f4 Nc6 4. Nf3 g6 5. g3 Bg7 6. Bg2 e6 7. d3 d5 8. O-O Nge7
9. e5 b5 10. a3 h5 11. d4 Qb6 12. Be3 Nf5 13. dxc5 Nxe3 14. cxb6 Nxd1 15. Rfxd1
Bf8 16. Ne2 Bc5+ 17. Ned4 Bxb6 18. h4 Bd7 19. Kh2 Na5 20. c3 Ke7 21. Bf1 Rhc8
22. Bd3 Rc7 23. Rab1 Nc4 24. Nc2 Rac8 25. Nfd4 Ba7 26. Kh1 a5 27. Kh2 Rb8 28.
Kh3 b4 29. axb4 axb4 30. Nxb4 Rxb4 31. cxb4 Bxd4 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "3.3"]
[White "Corpus Vanegas, Eugenio Miguel"]
[Black "Barrios, Felipe"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "1948"]
[PlyCount "108"]
[EventDate "2013.12.11"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Be3 e6 8. Qd2
Bd6 9. O-O-O Nf6 10. Bd3 Bxd3 11. Qxd3 Nbd7 12. Nf3 Qc7 13. Ne4 Nxe4 14. Qxe4
Nf6 15. Qd3 O-O-O 16. c4 c5 17. Kb1 Rd7 18. Rd2 Rhd8 19. Qc2 Kb8 20. Rhd1 Bf4
21. Ne5 Bxe5 22. dxe5 Qxe5 23. Rxd7 Rxd7 24. Rxd7 Nxd7 25. Qd2 Qe4+ 26. Ka1
Qxc4 27. Qd6+ Kc8 28. a3 Qd5 29. Qg3 Qe5 30. Qxe5 Nxe5 31. Bxc5 Nd7 32. Bd6 b5
33. Ka2 Kb7 34. Kb3 Kc6 35. Be7 a5 36. Kc3 g6 37. Kd4 e5+ 38. Ke3 f5 39. f3 Kd5
40. b3 a4 41. bxa4 bxa4 42. g4 h5 43. gxh5 gxh5 44. Kd3 e4+ 45. fxe4+ fxe4+ 46.
Ke3 Nb6 47. Kf4 Nc4 48. Kg5 e3 49. Kxh5 e2 50. Bb4 Nxa3 51. Kg6 Nc2 52. h5 Nxb4
53. h6 e1=Q 54. h7 Qe5 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "3.4"]
[White "Guerrero, Hernando"]
[Black "Estrella Becerra, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1900"]
[BlackElo "2039"]
[PlyCount "182"]
[EventDate "2013.12.11"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. Nxd5 Nxd5 6. cxd5 d6 7. e4 Nd7 8.
Nf3 g6 9. Bd3 Bg7 10. O-O O-O 11. Rb1 a6 12. a4 Re8 13. b3 h6 14. Bd2 b6 15. h3
Nf8 16. Qc1 g5 17. Bc3 Ng6 18. Bd2 Qf6 19. Nh2 Bd7 20. Kh1 Nf4 21. Bxf4 gxf4
22. Qd1 b5 23. Bc2 Qh4 24. Nf3 Qh5 25. Nh2 Qxd1 26. Rfxd1 f5 27. f3 Re5 28.
exf5 Bxf5 29. Bxf5 Rxf5 30. Ng4 h5 31. Nf2 Bd4 32. Ne4 Rd8 33. axb5 axb5 34. b4
Kg7 35. bxc5 dxc5 36. Rxb5 Rdxd5 37. Rb7+ Kg8 38. Rc7 Rf7 39. Rc8+ Kg7 40. Rc6
Rfd7 41. Rc8 Be3 42. Rxd5 Rxd5 43. g4 fxg3 44. Nxg3 Kf7 45. Ne4 Ke7 46. Kg2 Rf5
47. Rc6 Kd7 48. Ra6 Kc7 49. Ra3 Bd4 50. Rb3 Kc6 51. Rb8 Kd5 52. Rd8+ Ke5 53.
Kg3 h4+ 54. Kxh4 Rxf3 55. Re8+ Kf4 56. Nd6 Bf2+ 57. Kh5 Rxh3+ 58. Kg6 Bd4 59.
Re4+ Kf3 60. Re6 Rh8 61. Kf7 Rh7+ 62. Ke8 Ra7 63. Kd8 Kf4 64. Kc8 Be5 65. Nc4
Bd4 66. Nb6 Kf5 67. Rc6 Ke5 68. Rc7 Ra1 69. Rc6 Rh1 70. Kb7 Ra1 71. Nd7+ Kd5
72. Nb6+ Ke4 73. Nd7 Rc1 74. Nb6 Kd3 75. Ka6 Rb1 76. Ka5 Bc3+ 77. Ka6 Ra1+ 78.
Kb7 Bb4 79. Rd6+ Kc3 80. Kc6 c4 81. Rg6 Kb3 82. Nxc4 Kxc4 83. Kb7 Bc5 84. Ra6
Rh1 85. Rg6 Kb5 86. Re6 Rh7+ 87. Ka8 Bb6 88. Re8 Bc7 89. Kb7 Bd6+ 90. Ka8 Kc6
91. Re6 Rh1 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.12"]
[Round "3.5"]
[White "Ribero, Guillermo Andres"]
[Black "Nieto, Manuel Valerio Waldo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1812"]
[BlackElo "2026"]
[PlyCount "95"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. f3 Bg7 6. Be3 Qb6 7. Nf5 Qxb2 8.
Nxg7+ Qxg7 9. Nd2 Qc3 10. Bd3 Nf6 11. Bh6 b6 12. O-O Nb4 13. Bc4 Ba6 14. Bxa6
Nxa6 15. Nb3 Rc8 16. Rf2 d6 17. a3 Rc4 18. Bg7 Rg8 19. Bxf6 Qxf6 20. Qd5 Rc3
21. Qb7 Kf8 22. Rd1 Nc5 23. Nxc5 Rxc5 24. Qxa7 Qb2 25. Qa4 Ra5 26. Qb4 Rb5 27.
Qa4 Ra5 28. Qb4 Qxb4 29. axb4 Ra4 30. c3 Kg7 31. Rc2 Rc8 32. Rdc1 Rc4 33. Kf2
Kf6 34. Ke3 h5 35. h4 Ra3 36. g3 Rxb4 37. Ra1 Rxa1 38. cxb4 Rb1 39. Rc4 Rb3+
40. Kf2 b5 41. Rd4 Ke5 42. Rd5+ Ke6 43. Rxb5 Kf6 44. Rb8 e6 45. b5 d5 46. exd5
exd5 47. b6 d4 48. b7 1/2-1/2

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "4.1"]
[White "Jimenez, Leonardo Andres"]
[Black "Nieto, Manuel Valerio Waldo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1875"]
[BlackElo "2026"]
[PlyCount "50"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8.
O-O O-O 9. f4 Nxe4 10. Nxc6 bxc6 11. Nxe4 d5 12. Bd3 dxe4 13. Bxe4 Rb8 14. b3
Rd8 15. Qe1 Bc3 16. Qg3 Bxa1 17. Rxa1 Bf5 18. Bxc6 Qc3 19. Re1 Qxc6 20. Qh4 Qf6
21. Qf2 Qc3 22. Bxa7 Ra8 23. Bb6 Rd2 24. Qh4 Qf6 25. Qh6 Qxb6+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "4.2"]
[White "Estrella Becerra, Fernando"]
[Black "Ribero, Guillermo Andres"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2039"]
[BlackElo "1812"]
[PlyCount "70"]
[EventDate "2013.12.11"]

1. c4 Nf6 2. Nf3 d6 3. d4 c5 4. e3 Nbd7 5. Nc3 b6 6. g3 Bb7 7. Bg2 g6 8. O-O
Bg7 9. b3 O-O 10. Bb2 a6 11. Qc2 Rc8 12. d5 b5 13. e4 Qa5 14. Nd2 Ne8 15. Bh3
Rd8 16. Bxd7 Rxd7 17. Ne2 f5 18. Bxg7 Nxg7 19. f3 e5 20. f4 Re7 21. Rae1 Bc8
22. Nc3 Rfe8 23. fxe5 Rxe5 24. Nf3 R5e7 25. exf5 Rxe1 26. Rxe1 Rxe1+ 27. Nxe1
Bxf5 28. Qb2 b4 29. Na4 Qd8 30. Qd2 Qe7 31. Nb2 Qe4 32. Nbd3 Qd4+ 33. Qf2 Qxf2+
34. Kxf2 Nh5 35. Nf3 Bxd3 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "4.3"]
[White "Barrios, Felipe"]
[Black "Guerrero, Hernando"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1948"]
[BlackElo "1900"]
[PlyCount "98"]
[EventDate "2013.12.11"]

1. d4 e6 2. e4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3
Be7 9. O-O O-O 10. a3 f6 11. exf6 Nxf6 12. dxc5 Bxc5 13. b4 Bd6 14. c4 Qc7 15.
c5 Be7 16. Bb2 a6 17. Qb3 Ng4 18. Ng3 Bf6 19. h3 Nge5 20. Nxe5 Nxe5 21. Be2 Ng6
22. Rad1 Nf4 23. Bg4 Kh8 24. Bc1 Bh4 25. Rfe1 Qf7 26. Qe3 e5 27. Bxc8 Raxc8 28.
Kh2 Ng6 29. Rf1 Rc6 30. Qb3 Ne7 31. Nh1 Rg6 32. a4 Qf5 33. b5 Qd7 34. Ba3 d4
35. Bb2 Bf6 36. Ng3 Bh4 37. Ne4 Qf5 38. Qd3 Qc8 39. Ba3 Nd5 40. g3 Be7 41. Nd6
Bxd6 42. cxd6 Rh6 43. h4 Qg4 44. d7 Nf4 45. Qe4 Rxh4+ 46. gxh4 Qxh4+ 47. Kg1
Nh3+ 48. Kh2 Nf4+ 49. Kg1 Nh3+ 1/2-1/2

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "4.4"]
[White "Vargas, Mauricio"]
[Black "Corpus Vanegas, Eugenio Miguel"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2033"]
[BlackElo "1872"]
[PlyCount "83"]
[EventDate "2013.12.11"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 O-O 8.
O-O Bb6 9. f4 d6 10. h3 Rd8 11. g4 Qh4 12. Qf3 Ng6 13. Kh2 Qe7 14. Nd2 Re8 15.
Rae1 Bd7 16. Qg3 Rad8 17. g5 Bc8 18. h4 Nxd4 19. cxd4 c6 20. h5 Nf8 21. Bd3 d5
22. e5 g6 23. Nf3 Qb4 24. Re2 Ne6 25. Qf2 Ng7 26. Nh4 Nxh5 27. f5 Qe7 28. e6
Bc7+ 29. Kg2 Rf8 30. Bd2 fxe6 31. f6 Qd6 32. Re5 Rf7 33. Nxg6 Ng7 34. Rh1 Nf5
35. Bxf5 exf5 36. Rh6 Be6 37. Ne7+ Kf8 38. Qh4 Ke8 39. Rxh7 Kd7 40. Rxf7 Bxf7
41. Qh7 Rf8 42. Nxf5 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "4.5"]
[White "Manrique, Fernando"]
[Black "Nieto, Guillermo Luigui Uba"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1997"]
[BlackElo "1978"]
[PlyCount "128"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Qd4 Nf6 7. e5 Nd5 8.
e6 f6 9. c4 Nb6 10. exd7+ Bxd7 11. Nc3 e5 12. Qh4 Bf5 13. Be2 Bg7 14. Be3 O-O
15. Rd1 Qe7 16. c5 Nd7 17. Rd6 Rac8 18. Qa4 Nb6 19. Qd1 Nd5 20. Nxd5 cxd5 21.
Qxd5+ Qf7 22. Bc4 Qxd5 23. Bxd5+ Kh8 24. Bb7 Rc7 25. Bd5 Rb8 26. O-O Bf8 27.
Rc6 Rxc6 28. Bxc6 Rxb2 29. Bd5 Rb5 30. Rc1 Bd3 31. h4 f5 32. Rc3 f4 33. Rxd3
fxe3 34. Rxe3 Rxc5 35. Bb3 Bh6 36. Rd3 Rc7 37. Rd8+ Kg7 38. g4 Bf4 39. g5 h5
40. Kg2 Bc1 41. Bd5 Ba3 42. Kf3 Bc5 43. Rg8+ Kh7 44. Re8 Re7 45. Rc8 e4+ 46.
Kg2 Bb6 47. a4 e3 48. fxe3 Rxe3 49. Rf8 Re7 50. Rf6 Bd4 51. Rc6 Bb6 52. Kf3
Re3+ 53. Kf4 Rh3 54. Be4 Rxh4+ 55. Kf3 Rh3+ 56. Kg2 Re3 57. Bxg6+ Kg7 58. Bxh5
Re5 59. Rg6+ Kh7 60. Kg3 Be3 61. Rh6+ Kg7 62. Rg6+ Kh7 63. Rh6+ Kg7 64. Rg6+
Kh7 1/2-1/2

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "5.1"]
[White "Nieto, Guillermo Luigui Uba"]
[Black "Jimenez, Leonardo Andres"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1978"]
[BlackElo "1875"]
[PlyCount "46"]
[EventDate "2013.12.11"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. exd5 Nxd5 5. Nxd5 exd5 6. d4 Bg4 7. Bf4 Nd7 8.
Be2 Be7 9. O-O O-O 10. h3 Bh5 11. Qd2 c6 12. Rfe1 Nf6 13. Ne5 Ne4 14. Qe3 Bxe2
15. Rxe2 Re8 16. Qb3 Qb6 17. c3 Bd6 18. Nd3 Qa6 19. Qc2 Bxf4 20. Nxf4 Nd6 21.
Nd3 Rxe2 22. Qxe2 Re8 23. Qc2 h6 1/2-1/2

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "5.2"]
[White "Corpus Vanegas, Eugenio Miguel"]
[Black "Manrique, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "1997"]
[PlyCount "44"]
[EventDate "2013.12.11"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. Bd2 Qe7 6. Nc3 Nf6 7. f3 Bc5 8.
Qg5 Nd4 9. O-O-O Ne6 10. Qg3 c6 11. Bc4 b5 12. Bb3 a5 13. Nge2 a4 14. Bxe6 fxe6
15. Nf4 b4 16. Nce2 b3 17. cxb3 axb3 18. axb3 Ba6 19. e5 Nd5 20. Rhe1 Ne3 21.
Nh5 Bxe2 22. Rxe2 Ra1# 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "5.3"]
[White "Guerrero, Hernando"]
[Black "Vargas, Mauricio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1900"]
[BlackElo "2033"]
[PlyCount "94"]
[EventDate "2013.12.11"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Nc3 Bc5 6. e3 Ngxe5 7. Nxe5 Nxe5
8. Be2 d6 9. O-O O-O 10. Ne4 Bb6 11. a4 a5 12. b3 Re8 13. Ng3 Qe7 14. Bb2 Be6
15. Rc1 f6 16. Qc2 c6 17. Rfd1 d5 18. c5 Bc7 19. Bh5 g6 20. Be2 Nd7 21. Bd4 Be5
22. Bd3 Bf7 23. Re1 Bxd4 24. exd4 Qxe1+ 25. Rxe1 Rxe1+ 26. Nf1 Nf8 27. g3 Ne6
28. Qc3 Re4 29. Bxe4 dxe4 30. Nd2 f5 31. Nc4 Ng5 32. h4 Nf3+ 33. Kf1 Rd8 34.
Nd6 Rd7 35. Qxa5 Bxb3 36. Qa8+ Kg7 37. Qe8 Rc7 38. Qd8 Rf7 39. Nxf7 Bc4+ 40.
Kg2 Ne1+ 41. Kh1 Kxf7 42. Qd7+ Kf6 43. Qxh7 Bd5 44. Kg1 Nf3+ 45. Kh1 Ne1 46.
Qh8+ Kf7 47. Qh7+ Kf6 1/2-1/2

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "5.4"]
[White "Ribero, Guillermo Andres"]
[Black "Barrios, Felipe"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1812"]
[BlackElo "1948"]
[PlyCount "64"]
[EventDate "2013.12.11"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Nf3 Be7 7. Be3 O-O 8. Bd3
dxc4 9. Bxc4 Nc6 10. O-O b6 11. Qc2 Bb7 12. Ng5 Nxd4 13. Qd1 Nf5 14. Qxd8 Rfxd8
15. Nxe6 Nxe3 16. Nxd8 Nxc4 17. Nxb7 Rb8 18. b3 Na3 19. Rae1 Bb4 20. Rd1 Rxb7
21. Nd5 Nxd5 22. Rxd5 g6 23. Rc1 a5 24. g4 Kg7 25. Rc6 Bc5 26. Rd3 Nb5 27. g5
Nd4 28. Rf6 Ne6 29. h4 h6 30. Rd5 hxg5 31. hxg5 Nxg5 32. Rf4 Nh3+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.13"]
[Round "5.5"]
[White "Nieto, Manuel Valerio Waldo"]
[Black "Estrella Becerra, Fernando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2026"]
[BlackElo "2039"]
[PlyCount "103"]
[EventDate "2013.12.11"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 Nc6 7. d4 cxd4 8.
Nxd4 Qb6 9. Nc2 d6 10. Rb1 Bf5 11. e4 Bg4 12. Bf3 Bxf3 13. Qxf3 Ne5 14. Qe2 Qc7
15. Ne3 Rac8 16. b3 Nc6 17. Ned5 Nxd5 18. Nxd5 Qd7 19. Bb2 Bxb2 20. Rxb2 Kg7
21. Qe3 e6 22. Nc3 e5 23. Rd2 Nd4 24. Ne2 Ne6 25. Rfd1 Rc6 26. Nc3 a6 27. Nd5
Nd4 28. Nb4 Rcc8 29. Nc2 Nxc2 30. Rxc2 Rc6 31. Rcd2 Re8 32. c5 Re6 33. Rd5 Qc7
34. cxd6 Rexd6 35. Qg5 Rxd5 36. Rxd5 h6 37. Qxe5+ Qxe5 38. Rxe5 Kf6 39. Ra5 g5
40. Kg2 h5 41. h4 gxh4 42. gxh4 Kg6 43. Rd5 f6 44. Rd7 b5 45. Ra7 Re6 46. Kf3
f5 47. exf5+ Kxf5 48. Rg7 Rc6 49. Rg5+ Kf6 50. Rxh5 Rc3+ 51. Ke4 Kg6 52. Rd5
1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "6.1"]
[White "Jimenez, Leonardo Andres"]
[Black "Estrella Becerra, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1875"]
[BlackElo "2039"]
[PlyCount "102"]
[EventDate "2013.12.11"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. Nc3 Qxd4 5. Qxd4 exd4 6. Nb5 Bb4+ 7. Bd2
Bxd2+ 8. Kxd2 Na6 9. Bc4 Bg4 10. Re1+ Kf8 11. Re4 f5 12. Rxd4 Nf6 13. f3 Bh5
14. Rf4 Bg6 15. Nd4 Nh5 16. Ne6+ Ke7 17. Rd4 c5 18. Rd3 Nb4 19. Re3 Kd6 20. c3
Nc6 21. Nh3 Ne5 22. Bb3 c4 23. Bc2 Rhe8 24. Nef4 Nxf4 25. Nxf4 Re7 26. Nxg6
hxg6 27. Rhe1 Nc6 28. Rxe7 Nxe7 29. Ke3 Rh8 30. Rd1+ Nd5+ 31. Kd4 Rh4+ 32. g4
fxg4 33. f4 Rxh2 34. Bxg6 Nxf4 35. Kxc4+ Ke5 36. Bf7 g3 37. Bd5 Rxb2 38. Re1+
Kf5 39. Bf3 Rf2 40. Bxb7 Rxa2 41. Re7 g5 42. Kd4 g2 43. Bxg2 Nxg2 44. c4 Nf4
45. Rf7+ Ke6 46. Rg7 Kf6 47. Rg8 Ng6 48. Ra8 a5 49. c5 Ne7 50. Ra6+ Kf5 51. Ra7
Nc6+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "6.2"]
[White "Barrios, Felipe"]
[Black "Nieto, Manuel Valerio Waldo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1948"]
[BlackElo "2026"]
[PlyCount "106"]
[EventDate "2013.12.11"]

1. c4 e5 2. Nc3 Nf6 3. d3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. e3 Bxc3+ 7. bxc3 e4 8. d4
d5 9. cxd5 Qxd5 10. h3 Be6 11. Ne2 Qa5 12. Qc2 Bc4 13. a4 Rab8 14. O-O Bd3 15.
Qa2 Nd5 16. Re1 Nxc3 17. Nxc3 Qxc3 18. Ba3 Nb4 19. Bxb4 Qxb4 20. Qd5 Rfd8 21.
Qf5 Qe7 22. Rec1 c6 23. Rc5 g6 24. Qf4 Qd6 25. Qh6 b6 26. Rcc1 c5 27. dxc5 bxc5
28. h4 Qf6 29. Qf4 Qxf4 30. gxf4 c4 31. f3 exf3 32. Bxf3 Rb2 33. a5 Re8 34. Re1
c3 35. Rac1 c2 36. Kf2 Rb1 37. Be2 Be4 38. Bc4 Reb8 39. Ke2 Rxc1 40. Rxc1 Rb1
41. Kd2 Kg7 42. a6 f6 43. Ba2 Rxc1 44. Kxc1 Kh6 45. Bg8 g5 46. fxg5+ fxg5 47.
hxg5+ Kxg5 48. Be6 h5 49. Bc8 h4 50. Bb7 Kf5 51. Kd2 Ke5 52. Bc8 Bf5 53. Bb7 h3
0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "6.3"]
[White "Vargas, Mauricio"]
[Black "Ribero, Guillermo Andres"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2033"]
[BlackElo "1812"]
[PlyCount "93"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 O-O 8.
O-O Nc6 9. Qd2 d5 10. Rfd1 e6 11. exd5 exd5 12. Bg5 Be6 13. Bf3 Qb6 14. Nb3 Ne7
15. Re1 Rad8 16. Be3 Qc7 17. Nb5 Qd7 18. Nxa7 Nc6 19. Nxc6 bxc6 20. Nc5 Qc7 21.
Bg5 Bf5 22. c3 Rde8 23. Bf4 Qb6 24. b4 Ng4 25. Bd6 Rxe1+ 26. Rxe1 Rd8 27. Bxg4
Bxg4 28. h3 Bf5 29. g4 Bc8 30. Bf4 f5 31. Re7 Rf8 32. Be5 Rf7 33. Re8+ Rf8 34.
Re7 Rf7 35. Rxf7 Kxf7 36. Bxg7 Kxg7 37. a4 fxg4 38. hxg4 Kg8 39. Qg5 Qc7 40. a5
Kf7 41. f4 Kg8 42. Qe5 Qd8 43. g5 Bb7 44. Nxb7 Qc8 45. f5 Qxb7 46. Qe8+ Kg7 47.
f6# 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "6.4"]
[White "Manrique, Fernando"]
[Black "Guerrero, Hernando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1997"]
[BlackElo "1900"]
[PlyCount "71"]
[EventDate "2013.12.11"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Qg4 Ne7 5. Qxg7 Rg8 6. Qxh7 Bxc3+ 7. bxc3 c5 8.
e5 Qc7 9. Bd2 Nbc6 10. Nf3 Bd7 11. Ng5 O-O-O 12. Nxf7 cxd4 13. cxd4 Nxd4 14.
Nd6+ Kb8 15. Rb1 Bc6 16. f4 Ndf5 17. Nxf5 Nxf5 18. Qxc7+ Kxc7 19. Rg1 d4 20. g4
Nh4 21. Be2 Be4 22. Rg3 Kb8 23. Kd1 Rg7 24. Rgb3 Rc8 25. Rc1 Rgc7 26. Rh3 Bxc2+
27. Rxc2 Rxc2 28. Rxh4 Rxa2 29. Bd3 Ra1+ 30. Ke2 Rg1 31. Be4 b6 32. f5 exf5 33.
gxf5 a5 34. e6 a4 35. Rh7 Rc7 36. Bf4 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "6.5"]
[White "Nieto, Guillermo Luigui Uba"]
[Black "Corpus Vanegas, Eugenio Miguel"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1978"]
[BlackElo "1872"]
[PlyCount "0"]
[EventDate "2013.12.11"]

 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "7.1"]
[White "Corpus Vanegas, Eugenio Miguel"]
[Black "Jimenez, Leonardo Andres"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "1875"]
[PlyCount "0"]
[EventDate "2013.12.11"]

 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "7.2"]
[White "Guerrero, Hernando"]
[Black "Nieto, Guillermo Luigui Uba"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1900"]
[BlackElo "1978"]
[PlyCount "84"]
[EventDate "2013.12.11"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. g3 Bb7 6. Bg2 O-O 7. O-O d6 8. Bg5
h6 9. Bd2 Qe7 10. a3 Bxc3 11. Bxc3 Nbd7 12. b3 e5 13. d5 a5 14. Nh4 Nc5 15. Qc2
a4 16. b4 Nb3 17. Rad1 Bc8 18. b5 Bd7 19. Nf5 Bxf5 20. Qxf5 Qd7 21. Bh3 Qxf5
22. Bxf5 g6 23. Bc2 Nd7 24. f4 Na5 25. Bxa5 Rxa5 26. f5 Kg7 27. fxg6 fxg6 28.
Rxf8 Nxf8 29. Rb1 Nd7 30. Rb4 Nc5 31. Kf2 Ra8 32. e3 Kf6 33. Kf3 Kg5 34. h3 h5
35. h4+ Kh6 36. Ke2 g5 37. hxg5+ Kxg5 38. Kf2 Kg4 39. Kg2 h4 40. Bd1+ Kg5 41.
gxh4+ Kxh4 42. Kf2 Nd3+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "7.3"]
[White "Ribero, Guillermo Andres"]
[Black "Manrique, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1812"]
[BlackElo "1997"]
[PlyCount "56"]
[EventDate "2013.12.11"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 dxc3 7. Nxc3 Nf6 8.
Bg5 h6 9. Bh4 O-O 10. Nd5 g5 11. Nxg5 Nxd5 12. exd5 hxg5 13. Qh5 Ne5 14. Bxg5
f6 15. Rae1 Bg4 16. Qh6 Qe8 17. Bxf6 Qg6 18. Qxg6+ Nxg6 19. Bg5 Ne5 20. Bb3 Nd3
21. Re7 Nxf2 22. Be3 Bxe3 23. Rxe3 Nd1 24. Rg3 Rxf1+ 25. Kxf1 Rf8+ 26. Ke1 Re8+
27. Kd2 Nf2 28. h3 Ne4+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "7.4"]
[White "Nieto, Manuel Valerio Waldo"]
[Black "Vargas, Mauricio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2026"]
[BlackElo "2033"]
[PlyCount "129"]
[EventDate "2013.12.11"]

1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. Bf4 c6 6. e3 O-O 7. h3 Nbd7 8. Be2
h6 9. O-O Nh7 10. Bh2 Ng5 11. Nd2 e5 12. Nde4 Nxe4 13. Nxe4 Nf6 14. Nxf6+ Qxf6
15. dxe5 dxe5 16. Qc2 Bf5 17. e4 Be6 18. Rad1 Rfd8 19. Rxd8+ Rxd8 20. Rd1 Rd4
21. Bg3 Qd8 22. b3 h5 23. Rxd4 Qxd4 24. Kh1 Bf6 25. f3 Be7 26. Qd1 Bc5 27. Qxd4
Bxd4 28. Be1 Kf8 29. g4 Ke7 30. Kg2 Kd6 31. Bb4+ Bc5 32. Bc3 Be3 33. Bb4+ c5
34. Be1 Kc6 35. Bc3 f6 36. Kf1 a6 37. a4 b6 38. Ke1 Bf7 39. Kf1 g5 40. Ke1 Bd4
41. Bd2 h4 42. Kd1 Bb2 43. Kc2 Ba3 44. Be1 Bb4 45. Bc3 Kd6 46. Bd2 Bxd2 47.
Kxd2 b5 48. axb5 axb5 49. Kc2 Kc6 50. Kb2 Kb6 51. Ka3 Ka5 52. Bf1 Be8 53. cxb5
Bxb5 54. Bc4 Bc6 55. Bd3 Bd7 56. Be2 Bb5 57. Bc4 Ka6 58. Kb2 Kb6 59. Bxb5 Kxb5
60. Kc3 Kb6 61. Kc4 Kc6 62. b4 cxb4 63. Kxb4 Kb6 64. Kc4 Kc6 65. Kb4 1/2-1/2

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.14"]
[Round "7.5"]
[White "Estrella Becerra, Fernando"]
[Black "Barrios, Felipe"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2039"]
[BlackElo "1948"]
[PlyCount "52"]
[EventDate "2013.12.11"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. a3
Bd7 9. b4 Qc8 10. Re1 Bh3 11. Bh1 a6 12. Bb2 Ng4 13. Nd5 Bd8 14. Rc1 f5 15. b5
Ne7 16. Nxe7+ Bxe7 17. Nd2 f4 18. Bf3 c6 19. a4 fxg3 20. hxg3 Qf5 21. d4 Qh5
22. Bxg4 Bxg4 23. Nf1 Rxf2 24. Kxf2 Qf5+ 25. Kg1 Rf8 26. Qd3 e4 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "8.1"]
[White "Jimenez, Leonardo Andres"]
[Black "Barrios, Felipe"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1875"]
[BlackElo "1948"]
[PlyCount "54"]
[EventDate "2013.12.11"]

1. e4 Nf6 2. Nc3 e5 3. d3 Bc5 4. Bg5 c6 5. Nf3 d6 6. g3 h6 7. Bxf6 Qxf6 8. a3
Bg4 9. Bg2 Nd7 10. O-O g5 11. Na4 h5 12. Nxc5 Nxc5 13. h3 Bxh3 14. Bxh3 g4 15.
Bxg4 hxg4 16. Nh4 Rxh4 17. gxh4 Qxh4 18. Qe2 O-O-O 19. f3 g3 20. f4 exf4 21.
Qg2 Ne6 22. Qh1 Qxh1+ 23. Kxh1 Rh8+ 24. Kg1 Rh2 25. b4 Ng5 26. Rxf4 Nh3+ 27.
Kf1 Nxf4 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "8.2"]
[White "Vargas, Mauricio"]
[Black "Estrella Becerra, Fernando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2033"]
[BlackElo "2039"]
[PlyCount "69"]
[EventDate "2013.12.11"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Bc4 Nf6 6. Nge2 Bg4 7. f3 Bf5 8.
Bf4 Qd8 9. Qd2 e6 10. h4 h6 11. g4 Bg6 12. O-O-O Bb4 13. a3 Ba5 14. g5 Nd5 15.
Bxd5 cxd5 16. gxh6 gxh6 17. h5 Bh7 18. Bxh6 Nd7 19. Bg7 Rg8 20. Qh6 Bf5 21. Ng3
Bxc3 22. bxc3 Qa5 23. Nxf5 Qxa3+ 24. Kd2 Rc8 25. Ne3 Nb6 26. Qh7 Qxc3+ 27. Ke2
Ke7 28. Rhg1 Rge8 29. h6 Na4 30. Rb1 Qc6 31. Kf2 Nc3 32. Ra1 Qb5 33. Qd3 Qb6
34. h7 a6 35. Rh1 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "8.3"]
[White "Manrique, Fernando"]
[Black "Nieto, Manuel Valerio Waldo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1997"]
[BlackElo "2026"]
[PlyCount "130"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Bb5+ Bd7 8.
Qb3 Bxb5 9. Qxb5+ Qd7 10. Qxd7+ Nbxd7 11. Nc3 Nb6 12. d6 exd6 13. Nb5 Kd7 14.
O-O a6 15. Nc3 Rhe8 16. h3 Rac8 17. Rd1 h6 18. Bf4 Nfd5 19. Bd2 Nxc3 20. Bxc3
Na4 21. Rab1 b5 22. Ba5 Re2 23. Bd2 Rc2 24. Kf1 Re4 25. b3 Nc3 26. Bxc3 Rxc3
27. Rb2 a5 28. Rbd2 Kc6 29. Ng1 Kd7 30. f3 Re8 31. Ne2 Rc6 32. Nf4 Rec8 33. Nd5
Kd8 34. Ke2 Rc2 35. Kd3 Rxd2+ 36. Rxd2 Rc1 37. Nc3 b4 38. Nd1 Kd7 39. Ne3 h5
40. Nc4 Bh6 41. Re2 f5 42. Rc2 Rd1+ 43. Ke2 Rxd4 44. Nxa5 Rd5 45. Nc4 Rc5 46.
Kd3 Rd5+ 47. Ke2 Rc5 48. g3 Bg7 49. Rd2 Rc6 50. f4 Ke6 51. Kf3 d5 52. Re2+ Kd7
53. Ne5+ Bxe5 54. fxe5 g5 55. h4 Rc3+ 56. Kg2 gxh4 57. gxh4 Ke6 58. Kh2 d4 59.
Kg2 d3 60. Re1 Rc2+ 61. Kf3 d2 62. Rd1 Kxe5 63. Ke3 Rxa2 64. Kd3 Kf4 65. Kc4
Ke3 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "8.4"]
[White "Nieto, Guillermo Luigui Uba"]
[Black "Ribero, Guillermo Andres"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1978"]
[BlackElo "1812"]
[PlyCount "109"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. O-O-O d5 10. Kb1 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Nxd5 Nxd5 14. Qxd5
Qc7 15. Qc5 Qb7 16. Qd5 Qc7 17. Qxa8 Bf5 18. Qd5 Qxc2+ 19. Ka1 e4 20. Bc1 Rb8
21. Bb5 e3 22. Qd8+ Rxd8 23. Rxd8+ Bf8 24. Bxe3 Kg7 25. Bd4+ f6 26. Bxf6+ Kxf6
27. Rxf8+ Kg7 28. Re8 a6 29. Bxa6 Qc6 30. Re7+ Kf6 31. Bb7 Qc2 32. Rhe1 Kg5 33.
Rxh7 Qd2 34. Rhe7 Bc2 35. R7e5+ Kh6 36. R5e2 Qb4 37. Be4 Ba4 38. f4 Bb5 39. Re3
Qa5 40. Bd5 Qd2 41. Be4 Ba4 42. h3 Bd1 43. g4 Qc1+ 44. Bb1 Qd2 45. f5 gxf5 46.
gxf5 Bh5 47. h4 Qa5 48. Re6+ Kg7 49. Re7+ Kf8 50. f6 Qb4 51. Rc1 Qg4 52. Rcc7
Qh3 53. Rh7 Kg8 54. Rcg7+ Kf8 55. Rh8# 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "8.5"]
[White "Corpus Vanegas, Eugenio Miguel"]
[Black "Guerrero, Hernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "1900"]
[PlyCount "0"]
[EventDate "2013.12.11"]

 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "9.1"]
[White "Guerrero, Hernando"]
[Black "Jimenez, Leonardo Andres"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1900"]
[BlackElo "1875"]
[PlyCount "82"]
[EventDate "2013.12.11"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 Nbd7 7. O-O e5 8. Re1
h6 9. Rb1 a5 10. a3 a4 11. Bf1 exd4 12. Nxd4 Nc5 13. f3 Kh7 14. Be3 Nfd7 15. f4
Re8 16. Bf2 Nf6 17. Bh4 Bg4 18. Nf3 Qd7 19. h3 Bxf3 20. Qxf3 Qc6 21. Bxf6 Bxf6
22. Nd5 Bd4+ 23. Kh1 Nb3 24. Red1 Bg7 25. f5 Qd7 26. Bd3 Nc5 27. Bc2 Re5 28.
Rf1 Rf8 29. fxg6+ Kxg6 30. Ne3 Kh7 31. Ng4 Re7 32. e5+ Kg8 33. Nf6+ Bxf6 34.
exf6 Re5 35. h4 Kh8 36. Qf4 Rh5 37. Bf5 Qc6 38. Qh2 Rg8 39. Rf2 Ne4 40. Rf3
Rxf5 41. Rxf5 Ng3+ 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "9.2"]
[White "Ribero, Guillermo Andres"]
[Black "Corpus Vanegas, Eugenio Miguel"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1812"]
[BlackElo "1872"]
[PlyCount "0"]
[EventDate "2013.12.11"]

 1-0

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "9.3"]
[White "Nieto, Manuel Valerio Waldo"]
[Black "Nieto, Guillermo Luigui Uba"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2026"]
[BlackElo "1978"]
[PlyCount "0"]
[EventDate "2013.12.11"]

 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "9.4"]
[White "Estrella Becerra, Fernando"]
[Black "Manrique, Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2039"]
[BlackElo "1997"]
[PlyCount "128"]
[EventDate "2013.12.11"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8.
b3 Be6 9. Bb2 f6 10. e3 Qd7 11. d4 exd4 12. Nxd4 Nxd4 13. Qxd4 Qxd4 14. exd4 c6
15. Rfe1 Kf7 16. Re3 Nd5 17. Nxd5 Bxd5 18. Rae1 Bb4 19. Bxd5+ cxd5 20. R1e2
Rhe8 21. g4 Rac8 22. Rxe8 Rxe8 23. Rxe8 Kxe8 24. f4 g6 25. f5 Bd6 26. Kg2 b5
27. fxg6 hxg6 28. h4 Kf7 29. Kf3 Bb4 30. Bc1 Bc3 31. Be3 Ba5 32. Bf4 Bb6 33.
Ke3 a6 34. Bd6 Ke6 35. h5 gxh5 36. gxh5 Kf5 37. h6 Kg6 38. Bf8 Ba5 39. Be7 Kxh6
40. Bxf6 Kg6 41. Be7 Kf5 42. Kf3 Bb6 43. Bc5 Bd8 44. a4 Bg5 45. axb5 axb5 46.
Bb6 Bc1 47. Bc5 Bb2 48. Bb6 Ke6 49. Kg4 Ba3 50. Kf4 Bd6+ 51. Ke3 Kd7 52. Bc5
Bc7 53. Kf3 Ke6 54. Kg4 Ba5 55. Kg5 Bd2+ 56. Kg6 Bf4 57. Bb6 Bd6 58. Ba7 Be7
59. Bb6 Bb4 60. Ba7 Kd6 61. Kf7 Kc7 62. Ke6 Kb7 63. Bc5 Bxc5 64. dxc5 Kc6 0-1

[Event "IRT Open Elo Mayor a 1900 Liga de Ajedre"]
[Site "Bogota"]
[Date "2013.12.15"]
[Round "9.5"]
[White "Barrios, Felipe"]
[Black "Vargas, Mauricio"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1948"]
[BlackElo "2033"]
[PlyCount "80"]
[EventDate "2013.12.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3
b5 9. Bd3 Bb7 10. O-O-O b4 11. Nce2 Nbd7 12. Kb1 O-O-O 13. Rc1 Nc5 14. Ng3 Kb8
15. c3 Qb6 16. Bxf6 gxf6 17. cxb4 Qxb4 18. Nc2 Qb6 19. Na3 d5 20. e5 Na4 21.
Nb5 axb5 22. Qe2 fxe5 23. Bxb5 exf4 24. Bxa4 fxg3 25. hxg3 Bg7 26. Rc2 Ba6 27.
Qf3 Rc8 28. Bb3 Rxc2 29. Kxc2 Qd4 30. Qf4+ Be5 31. Qxd4 Bxd4 32. Kd2 Kc7 33.
Bc2 Bxb2 34. Bxh7 Kd6 35. Kc2 Be5 36. g4 Bc4 37. a4 f6 38. a5 d4 39. g3 Bd5 40.
Rh5 Rxh7 0-1