[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.10"]
[Round "9"]
[White "Nieto, Guillermo Luigui"]
[Black "Wang, Tianqi"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1894"]
[BlackElo "2189"]
[PlyCount "152"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. Nf3 Bg7 8. Nbd2 0-0 9. 0-0 a6 10. Qe2 Bg4 11. h3 Bxf3 12. Nxf3 e6 13. Ne5 Qc8 14. Rae1 Nd7 15. Nxd7 Qxd7 16. Bh2 Rfe8 17. f4 Rac8 18. g4 f5 19. Kh1 Na5 20. Rg1 Nc4 21. Bxc4 Rxc4 22. Rg3 Rcc8 23. Re3 Kf7 24. gxf5 exf5 25. Rxe8 Rxe8 26. Qxe8+ Qxe8 27. Rxe8 Kxe8 28. Kg2 Bh6 29. Kf3 Kf7 30. Bg3 g5 31. fxg5 Bxg5 32. b3 b5 33. Bf4 Kg6 34. Bd6 Kh5 35. Bb4 Kh4 36. Kg2 f4 37. c4 bxc4 38. bxc4 dxc4 39. d5 Bf6 40. d6 c3 41. d7 c2 42. Bd2 f3+ 43. Kxf3 Kxh3 44. Bh6 Bd8 45. Ke2 Kg4 46. Kd2 Kf5 47. Kxc2 Ke6 48. Kd3 Kxd7 49. Kc4 Kc6 50. Kb4 Kd5 51. a4 Bb6 52. Kc3 Ke4 53. Kd2 Bc7 54. Ke2 Bf4 55. Bf8 h5 56. Be7 Bg3 57. Kf1 Kf3 58. Kg1 h4 59. Kh1 h3 60. Bf6 Ke2 61. Bg5 Kd3 62. Bf6 Kc4 63. Be7 Kb3 64. Bf6 Kxa4 65. Bd8 Kb5 66. Kg1 Kc6 67. Ba5 Bc7 68. Bd2 Kb5 69. Kh1 Bd6 70. Bc3 Bb4 71. Bb2 a5 72. Kh2 Kc4 73. Kxh3 Kb3 74. Bc1 Kc2 75. Bf4 a4 76. Be5 a3 0-1

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.09"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Taghizadeh, Rayan"]
[Result "0-1"]
[ECO "C92"]
[WhiteElo "1894"]
[BlackElo "2182"]
[PlyCount "94"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Nd7 11. Nbd2 exd4 12. cxd4 Bf6 13. Nf1 Na5 14. Bc2 Re8 15. Ng3 g6 16. Bf4 Nf8 17. b3 Ne6 18. Be3 c5 19. Rc1 cxd4 20. Nxd4 Nxd4 21. Bxd4 Nc6 22. Bxf6 Qxf6 23. Qd2 Rad8 24. Red1 Rd7 25. Ne2 Red8 26. Nc3 Ne7 27. f4 d5 28. e5 Qe6 29. Bd3 f5 30. a4 d4 31. Na2 Nd5 32. axb5 Ne3 33. Re1 Bxg2 34. bxa6 g5 35. Bb5 Rg7 36. Rxe3 gxf4 37. Rc7 Rxc7 38. Qxg2+ Rg7 39. Bc4 Rxg2+ 40. Kxg2 Qxc4 41. bxc4 fxe3 42. Nb4 d3 43. Nd5 d2 44. Nxe3 d1Q 45. Nxd1 Rxd1 46. Kf3 Kf7 47. Kf4 Ke6 0-1

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.09"]
[Round "8"]
[White "Shepherd, Duncan"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1687"]
[BlackElo "1894"]
[PlyCount "96"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 0-0 8. Be2 Ne4 9. Qc2 f5 10. 0-0 d6 11. b4 Nd7 12. Bb2 Qe7 13. Rad1 a5 14. d5 e5 15. Bd3 Ng5 16. Bxf5 Nxf3+ 17. gxf3 Qg5+ 18. Bg4 Rxf3 19. Qe4 Rf7 20. Qg2 Nf8 21. Be2 Qxg2+ 22. Kxg2 Bc8 23. Bd3 Bf5 24. Bxf5 Rxf5 25. Rc1 Nd7 26. Rc2 g5 27. Bc3 a4 28. Bd2 h6 29. f3 Raf8 30. Rcc1 Kg7 31. h3 Kg6 32. e4 R5f7 33. Be3 h5 34. c5 bxc5 35. bxc5 Nxc5 36. Bxc5 dxc5 37. Rxc5 g4 38. hxg4 hxg4 39. Rc4 Rxf3 40. Rd1 Rxa3 41. Rxc7 Rff3 42. Re7 Rg3+ 43. Kh2 Rh3+ 44. Kg1 Ra2 45. Rxe5 Rg3+ 46. Kh1 Rh3+ 47. Kg1 Rg3+ 48. Kh1 Rh3+ 1/2-1/2

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.08"]
[Round "6"]
[White "Su, Michael"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "1644"]
[BlackElo "1894"]
[PlyCount "207"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 b6 6. a3 Ba5 7. Rb1 Na6 8. Bd2 Bb7 9. Nb5 Bxd2+ 10. Qxd2 d5 11. cxd5 exd5 12. Ng3 0-0 13. Be2 Qd7 14. 0-0 Rfd8 15. dxc5 bxc5 16. Rfd1 Qc6 17. Bf1 Nc7 18. Nxc7 Qxc7 19. Qc3 Rac8 20. Be2 Qd7 21. Qe5 Qe6 22. Qf4 h6 23. Bd3 Qc6 24. Nf5 Kf8 25. Qg3 Ne8 26. Qe5 Qe6 27. Qf4 Nd6 28. Nxd6 Qxd6 29. Qxd6+ Rxd6 30. Bf5 Rc7 31. Rbc1 Rb6 32. Rd2 g6 33. Bg4 f5 34. Bf3 Rd6 35. Rcd1 Rcd7 36. h3 Ke7 37. Rc1 Rc7 38. Rdc2 c4 39. Rd2 Ke6 40. Rd4 Rb6 41. Rc2 Bc6 42. Kf1 Rcb7 43. Rdd2 a5 44. Ke1 Ke5 45. Ke2 Rb3 46. Kd1 Rd7 47. Rd4 Ba4 48. Kc1 g5 49. Rcd2 Bc6 50. Bd1 Rb6 51. g3 Rdb7 52. Rc2 Ba4 53. Rcd2 Bc6 54. Bc2 Rxb2 55. f4+ gxf4 56. exf4+ Kf6 57. g4 fxg4 58. hxg4 Ra2 59. g5+ hxg5 60. fxg5+ Kg7 61. Rh2 Rxa3 62. Rh7+ Kg8 63. g6 c3 64. Kd1 Ra1+ 65. Ke2 Rb2 66. Kd3 Bb5+ 67. Kxc3 Raa2 68. Bf5 Re2 69. Rxd5 Ra3+ 70. Kd4 Rd2+ 71. Ke5 Re3+ 72. Kd6 Rxd5+ 73. Kxd5 Be8 74. Be6+ Rxe6 75. Kxe6 Bxg6 76. Ra7 Bc2 77. Rxa5 Kg7 78. Rg5+ Kh7 79. Kf6 Bd3 80. Rg7+ Kh8 81. Kf7 Bc4+ 82. Kf8 Bd3 83. Rg3 Be4 84. Rg4 Bf5 85. Rg5 Bd3 86. Kf7 Bc4+ 87. Kf8 Bd3 88. Kf7 Bc4+ 89. Kf6 Kh7 90. Rh5+ Kg8 91. Rh4 Bd3 92. Rd4 Bc2 93. Rd7 Bb3 94. Re7 Bc2 95. Rg7+ Kh8 96. Kf7 Bb3+ 97. Kf8 Bc2 98. Rg2 Be4 99. Rh2+ Bh7 100. Ke7 Kg7 101. Rg2+ Bg6 102. Ke6 Kh7 103. Kf6 Bd3 104. Rg3 1/2-1/2

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.08"]
[Round "5"]
[White "Yim, Sung Ho"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2169"]
[BlackElo "1894"]
[PlyCount "137"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. g3 0-0 8. Bg2 d5 9. b3 Nbd7 10. 0-0 Ne4 11. Qb2 Rc8 12. Nd2 Nd6 13. Qc3 c5 14. dxc5 bxc5 15. e3 Nf5 16. Qc2 Ba6 17. cxd5 Bxf1 18. Bxf1 Qg5 19. dxe6 fxe6 20. Ne4 Qg6 21. Bg2 Nf6 22. Bb2 Nd6 23. Nxf6+ gxf6 24. Qd2 Rfd8 25. Qc3 Kf7 26. Qa5 Qc2 27. Qc3 Qxc3 28. Bxc3 Nb5 29. Ba5 Rd3 30. a4 Nd6 31. Rb1 Nf5 32. Bf1 Rd6 33. Rc1 Ne7 34. f4 f5 35. Kf2 a6 36. Ke2 Nd5 37. Bg2 Ke7 38. e4 fxe4 39. Bxe4 h6 40. Bd3 Rdc6 41. Kf3 Rb8 42. Bc4 Rb7 43. Re1 Rd7 44. Re5 Kf6 45. h4 Nb4 46. g4 Nd3 47. g5+ hxg5 48. hxg5+ Ke7 49. Re2 Nc1 50. Rh2 Nxb3 51. Rh7+ Ke8 52. g6 Nd4+ 53. Kg4 e5 54. Bf7+ Kf8 55. Kg5 exf4 56. Rh8+ Ke7 57. Re8+ Kd6 58. g7 Rxf7 59. g8Q Rf5+ 60. Kg4 f3 61. Qg6+ Kd5 62. Qg8+ Kd6 63. Re6+ Nxe6 64. Kxf5 Nd4+ 65. Ke4 Ke7 66. Bd8+ Kd7 67. Bh4 Re6+ 68. Kd5 Re2 69. Qd8# 1-0

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.07"]
[Round "4"]
[White "Nieto, Guillermo Luigui"]
[Black "Niemann, Hans Moke"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1894"]
[BlackElo "2269"]
[PlyCount "82"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 a6 9. Qd2 b5 10. 0-0-0 Bb7 11. Kb1 b4 12. Ne2 c5 13. Ne5 Nc6 14. f4 Nxe5 15. dxe5 Qxd2 16. Rxd2 c4 17. c3 Be4+ 18. Kc1 Bc5 19. cxb4 Be3 20. Kd1 Bxd2 21. Kxd2 0-0-0+ 22. Kc3 Rd1 23. Ng3 Rg8 24. Kxc4 Kb7 25. Kb3 Kb6 26. a4 a5 27. b5 h5 28. Nxh5 Rc8 29. Nf6 Ra1 30. Nxe4 fxe4 31. h4 e3 32. Rh3 Rxf1 33. Rxe3 Rxf4 34. g3 Rb4+ 35. Ka3 Rg4 36. Rf3 Rc5 37. Re3 Rcc4 38. b3 Rce4 39. Rf3 Rxe5 40. Rxf7 Rxg3 41. Re7 Ree3 0-1

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.06"]
[Round "2"]
[White "Mulyar, Michael A"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2381"]
[BlackElo "1894"]
[PlyCount "65"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. e4 e5 10. d5 Nb8 11. Ne1 a5 12. Nd3 Na6 13. f4 Bd7 14. Qe2 c6 15. fxe5 dxe5 16. Nf3 Bg4 17. Qe3 Bxf3 18. Rxf3 Nb4 19. Nxb4 Qxb4 20. b3 a4 21. a3 Qxb3 22. Qxb3 axb3 23. Rxb3 Ra4 24. Rc1 c5 25. Rxb7 Rxa3 26. Rc7 Re3 27. Rxc5 Nxe4 28. Bxe4 Rxe4 29. d6 Rd4 30. Rd5 Rd8 31. Rxd4 exd4 32. c5 f5 33. c6 1-0

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.06"]
[Round "3"]
[White "Nieto, Guillermo Luigui"]
[Black "Carreto Nieto, Geovanni"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1894"]
[BlackElo "2241"]
[PlyCount "35"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 Nc6 4. Bg2 g6 5. c3 Bg4 6. f3 Be6 7. d4 d5 8. dxc5 dxe4 9. Qxd8+ Rxd8 10. fxe4 Ne5 11. Nf4 Bc4 12. Na3 Ba6 13. Be3 e6 14. Bd4 Bg7 15. 0-0-0 Ne7 16. b4 b6 17. b5 bxc5 18. Bxe5 1-0

[Event "Philadelphia int op 10th"]
[Site "Philadelphia"]
[Date "2016.07.05"]
[Round "1"]
[White "Nieto, Guillermo Luigui"]
[Black "Atoufi, Pedram"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "1894"]
[BlackElo "2272"]
[PlyCount "93"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 d5 11. exd5 e4 12. Bxe4 Nxe4 13. Rxe4 Bb7 14. d4 Re8 15. Re1 Qxd5 16. Bf4 Qf5 17. Bxc7 Nc4 18. b3 Nb2 19. Qd2 Bxf3 20. Qxb2 Qd5 21. Re5 Qb7 22. gxf3 Qxc7 23. Nd2 Bd6 24. Rxe8+ Rxe8 25. Ne4 Re6 26. Nxd6 Qxd6 27. Qd2 Rg6+ 28. Kf1 Qh2 29. Ke2 Re6+ 30. Kd3 Qxh3 31. Qf4 h5 32. Rg1 Rg6 33. Rxg6 Qf1+ 34. Ke4 Qb1+ 35. Kd5 Qxg6 36. Kc5 Qc2 37. d5 Qxf2+ 38. Kc6 Qa7 39. Qc7 Qa8+ 40. Kc5 h4 41. d6 Qxf3 42. d7 Qxc3+ 43. Kb6 Qd4+ 44. Kb7 Qe4+ 45. Kb8 h3 46. d8Q+ Kh7 47. Qdd7 1-0

[Event "World op 44th"]
[Site "Philadelphia"]
[Date "2016.07.03"]
[Round "6"]
[White "Sinha, Sahil"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2155"]
[BlackElo "2088"]
[PlyCount "87"]
[EventDate "2016.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. e4 e5 10. d5 Nb8 11. Ne1 a5 12. Nd3 Bg4 13. f3 Bd7 14. Qc2 Na6 15. Rac1 b6 16. b3 Nc5 17. a3 Nxd3 18. Qxd3 Ra7 19. Qc3 Rfa8 20. Ra1 h6 21. Rfc1 Nh7 22. b4 axb4 23. axb4 f5 24. Rxa7 Rxa7 25. Ra1 Rxa1+ 26. Qxa1 fxe4 27. Nxe4 Nf6 28. Qa8+ Kf7 29. Nxf6 gxf6 30. Kf2 Bf5 31. Ke3 Bg6 32. Qc8 f5 33. Bh3 f4+ 34. Kf2 Kg7 35. Be6 Bf7 36. Bxf7 fxg3+ 37. hxg3 Qxf7 38. Ke3 Qe7 39. Ke4 Qf7 40. Ke3 Qe7 41. Kd3 Qf7 42. Kc2 h5 43. Qd8 Kg6 44. Kd2 1/2-1/2

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.30"]
[Round "9"]
[White "Nieto, Guillermo Luigui"]
[Black "Arnedo, Jhon"]
[Result "1/2-1/2"]
[ECO "C86"]
[WhiteElo "2143"]
[BlackElo "1842"]
[PlyCount "63"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d6 8. 0-0 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Bg5 h6 13. Bxf6 Bxf6 14. dxe5 dxe5 15. Nbd2 Be6 16. Rfd1 Rad8 17. b3 c4 18. b4 Nc6 19. a4 Qb6 20. a5 Qa7 21. Nf1 Ne7 22. Ne3 Ng6 23. Nd5 Rd7 24. Nxf6+ gxf6 25. Rxd7 Bxd7 26. Qe3 Qxe3 27. fxe3 Bc6 28. Rd1 Re8 29. Kf2 Kf8 30. g4 Ke7 31. Kg3 Rg8 32. Nh4 1/2-1/2

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.29"]
[Round "8"]
[White "Loaiza, Yurani"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1962"]
[BlackElo "2143"]
[PlyCount "70"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Qe2 Qc7 7. 0-0 d6 8. c4 g6 9. Nc3 Bg7 10. Be3 0-0 11. Kh1 Nbd7 12. f4 b6 13. Rae1 Bb7 14. Bg1 Nc5 15. Nf3 Rfd8 16. Bb1 Rac8 17. Bd4 d5 18. cxd5 exd5 19. e5 Nfe4 20. Rc1 Ne6 21. Qe3 Nxd4 22. Nxd4 Nxc3 23. Rxc3 Qe7 24. Rxc8 Rxc8 25. Re1 Qb4 26. Qf2 Rc4 27. Rd1 Bf8 28. a3 Qc5 29. Ba2 Rc1 30. Qd2 Rxd1+ 31. Qxd1 Qc7 32. b3 Bc5 33. Qc2 Qe7 34. Qc3 Bxd4 35. Qxd4 Qc5 1/2-1/2

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.29"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Angulo Pastrana, Oscar"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2143"]
[BlackElo "1873"]
[PlyCount "123"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Qc7 6. Nc3 a6 7. Be2 Nf6 8. 0-0 b5 9. a3 Bb7 10. Bf3 d6 11. g3 Nbd7 12. Bg2 Rc8 13. f4 Be7 14. Be3 h5 15. h3 Nb6 16. Na5 Ba8 17. Qd4 Nbd7 18. Nb3 0-0 19. a4 e5 20. Qb4 Qc4 21. Qxc4 bxc4 22. Nd2 h4 23. g4 exf4 24. Bxf4 Ne5 25. Rfe1 Nfd7 26. Nf3 Rb8 27. Rab1 Nxf3+ 28. Bxf3 Ne5 29. Bg2 Bd8 30. Red1 Ba5 31. Ne2 Bb4 32. Bg5 Ng6 33. Nf4 Nxf4 34. Bxf4 Rfe8 35. Bxd6 Bxd6 36. Rxd6 Bxe4 37. Bxe4 Rxe4 38. Kf2 c3 39. Rxa6 cxb2 40. a5 Rc4 41. Ke3 Rxc2 42. Rb6 Ra8 43. a6 Rc3+ 44. Kd4 Rxh3 45. R1xb2 Ra3 46. Rb8+ Rxb8 47. Rxb8+ Kh7 48. Rb7 Rxa6 49. Rxf7 Ra4+ 50. Ke3 Rxg4 51. Kf3 Rg3+ 52. Kf2 Kh6 53. Rf4 g5 54. Ra4 Kh5 55. Rb4 Ra3 56. Rc4 h3 57. Kg1 g4 58. Rc5+ Kh4 59. Rc4 Kg3 60. Rc1 h2+ 61. Kh1 Kh3 62. Rc3+ 1/2-1/2

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.28"]
[Round "6"]
[White "Ribero, Guillermo Andres"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1837"]
[BlackElo "2143"]
[PlyCount "74"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nde2 Nf6 7. g3 0-0 8. Bg2 d6 9. 0-0 Bd7 10. h3 a6 11. a4 Rb8 12. Nd5 Nxd5 13. exd5 Ne5 14. Ra2 e6 15. f4 Nc4 16. b3 Qb6+ 17. Kh2 Ne3 18. Bxe3 Qxe3 19. Rf3 Qc5 20. Rd3 e5 21. a5 exf4 22. Nxf4 Rfe8 23. c4 Bf5 24. Rdd2 Bc3 25. Rf2 Re1 26. Qf3 Re3 27. Qd1 Re1 28. Qf3 Re3 29. Qd1 Rbe8 30. Rae2 Bxa5 31. Rxe3 Rxe3 32. Bf1 Re1 33. Qf3 Re3 34. Qd1 Re1 35. Qf3 Re3 36. Qd1 Bb6 37. Bd3 Bxd3 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.27"]
[Round "4"]
[White "Castillo Perez, Jaider Enrique"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1771"]
[BlackElo "2143"]
[PlyCount "87"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 b6 5. Nf3 Bb7 6. Bd3 Be7 7. Nbd2 cxd4 8. exd4 d6 9. 0-0 0-0 10. Re1 Nbd7 11. Ne4 Nxe4 12. Bxe4 Bxe4 13. Rxe4 Nf6 14. Re2 Qc7 15. h3 Rfc8 16. Nd2 b5 17. Qb3 Qb6 18. a4 Nd5 19. Bg3 a6 20. axb5 axb5 21. Ree1 Qc6 22. Rxa8 Rxa8 23. Nf1 Nb6 24. Ne3 d5 25. Rb1 h6 26. Qd1 Nc4 27. Nxc4 Qxc4 28. Ra1 Rxa1 29. Qxa1 b4 30. Qa8+ Kh7 31. Qe8 bxc3 32. bxc3 Bf6 33. Qxf7 Qxc3 34. Qxe6 Qxd4 35. Qf5+ g6 36. Qd7+ Bg7 37. Bd6 Qa1+ 38. Kh2 Qf6 39. f4 Qf5 40. Qe7 Kg8 41. Qe8+ Kh7 42. Qe7 Kg8 43. Qe8+ Kh7 44. Qe7 1/2-1/2

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.27"]
[Round "5"]
[White "Nieto, Guillermo Luigui"]
[Black "Pedraza, Yonnattanth"]
[Result "0-1"]
[ECO "C86"]
[WhiteElo "2143"]
[BlackElo "2214"]
[PlyCount "66"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Re1 Bf6 11. Qe4 Nde7 12. d4 Bf5 13. Qe3 exd4 14. cxd4 Na5 15. Bd2 Nxb3 16. Qxb3 Be6 17. Qe3 Nf5 18. Qe4 Nxd4 19. Nxd4 Qxd4 20. Qxd4 Bxd4 21. Bc3 Bb6 22. Nd2 Rfd8 23. Nf3 Rd5 24. Ne5 c5 25. a3 Rad8 26. f4 b4 27. Nc4 bxc3 28. Nxb6 cxb2 29. Rab1 Rd2 30. Na4 Rb8 31. Nxc5 Ba2 32. Nxa6 Bxb1 33. Nxb8 Be4 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.26"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Escobar Medina, Andres F"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2143"]
[BlackElo "2267"]
[PlyCount "96"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nc6 8. Nxc6 bxc6 9. e5 h6 10. Bh4 g5 11. fxg5 Nd5 12. Ne4 Qb6 13. Bd3 hxg5 14. Bxg5 Qxb2 15. Nf6+ Nxf6 16. Bxf6 Qc3+ 17. Ke2 Rg8 18. g3 Be7 19. Qd2 Qc5 20. Qe3 Qxe3+ 21. Kxe3 Bxf6 22. exf6 e5 23. Rab1 d5 24. Rb6 Kd7 25. Rhb1 Kc7 26. c4 Rh8 27. h4 Rh6 28. cxd5 cxd5 29. a4 Be6 30. a5 Rxf6 31. Bxa6 Rg6 32. Kf2 e4 33. Rb7+ Kd6 34. R1b6+ Ke5 35. Rb8 Rf6+ 36. Ke1 Rxb8 37. Rxb8 Rf3 38. Be2 Rxg3 39. a6 Ra3 40. h5 Kf6 41. Rb6 Kg5 42. Kf2 d4 43. Rb5+ Kf6 44. h6 Rxa6 45. Rh5 Ra8 46. Rh4 Bf5 47. Bg4 Kg5 48. Kg3 Ra3+ 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.26"]
[Round "3"]
[White "Nieto, Guillermo Luigui"]
[Black "Guerrero, Hernando"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2143"]
[BlackElo "1888"]
[PlyCount "32"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 Nf6 4. Bg2 g6 5. c3 Bg7 6. d4 0-0 7. 0-0 Nc6 8. d5 Ne5 9. f4 Nc4 10. Qd3 Nb6 11. c4 Bg4 12. Nbc3 Bd7 13. h3 Qc8 14. Kh2 Qc7 15. a3 a6 16. Qe3 Rad8 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.25"]
[Round "1"]
[White "Gomez Boada, Alfredo"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1646"]
[BlackElo "2143"]
[PlyCount "56"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. e6 fxe6 9. Qh5+ g6 10. Qh4 Bg7 11. Bh6 Bxd4 12. Nc3 Bf6 13. Qg3 Nd4 14. Bd1 Nf5 15. Qf4 e5 16. Qc1 Nxh6 17. Qxh6 Bd7 18. Ne4 Qc7 19. Rc1 Bc6 20. Nxf6+ exf6 21. Ne2 Qd7 22. 0-0 0-0-0 23. Qd2 Kb8 24. a4 d5 25. a5 Nc4 26. Qc3 Bb5 27. Re1 d4 28. Qb4 d3 0-1

[Event "Bogota Samana Santa op 4th"]
[Site "Bogota"]
[Date "2016.05.09"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Estrella Becerra, Fernando"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2143"]
[BlackElo "1902"]
[PlyCount "87"]
[EventDate "2016.05.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 g6 7. Nf3 Nh5 8. Be3 Bg7 9. h3 Nf6 10. Bf4 0-0 11. 0-0 Qb6 12. Qb3 Qxb3 13. axb3 Bf5 14. Bxf5 gxf5 15. b4 a6 16. Nbd2 Nd7 17. Rfe1 Rfc8 18. Nb3 e6 19. Nc5 Nxc5 20. bxc5 a5 21. Ne5 Nxe5 22. Bxe5 Bxe5 23. Rxe5 Ra6 24. Ree1 a4 25. Ra3 Kf8 26. Rea1 Ke7 27. Rxa4 Rxa4 28. Rxa4 Rb8 29. b4 Kd7 30. b5 Kc7 31. Ra7 h6 32. g3 h5 33. Kg2 f6 34. Kf3 e5 35. g4 fxg4+ 36. hxg4 hxg4+ 37. Kxg4 Rg8+ 38. Kf5 Kb8 39. Ra2 e4 40. Kxf6 Rg2 41. Re2 Kc7 42. Ke6 Rg5 43. Re3 Kc8 44. b6 1-0

[Event "Bogota Samana Santa op 4th"]
[Site "Bogota"]
[Date "2016.05.07"]
[Round "3"]
[White "Nieto, Guillermo Luigui"]
[Black "Barrios, Felipe"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2143"]
[BlackElo "1981"]
[PlyCount "21"]
[EventDate "2016.05.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxb4 7. Nb5 bxa3+ 8. c3 Nc6 9. Nd6+ Kf8 10. Qf3 f5 11. Bxa3 1-0

[Event "Bogota Samana Santa op 4th"]
[Site "Bogota"]
[Date "2016.05.06"]
[Round "1"]
[White "Nieto, Guillermo Luigui"]
[Black "Nieto, Manuel Valerio Wald"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2143"]
[BlackElo "2057"]
[PlyCount "44"]
[EventDate "2016.05.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bb4 5. 0-0 0-0 6. d3 d6 7. Nd5 Nxd5 8. Bxd5 Be6 9. Bd2 Bxd2 10. Qxd2 Bxd5 11. exd5 Ne7 12. c4 Qd7 13. Rfe1 Rae8 14. d4 exd4 15. Nxd4 Nf5 16. h3 h6 17. Nxf5 Qxf5 18. b3 b6 19. Qc3 a5 20. a4 Re5 21. Rxe5 Qxe5 22. Qxe5 dxe5 1/2-1/2

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.26"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Sierra Mejia, Juan Pablo"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2172"]
[BlackElo "2095"]
[PlyCount "82"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 0-0 8. d3 d6 9. 0-0 h6 10. Be3 Qe7 11. Nbd2 Kh8 12. d4 Bb6 13. a4 exd4 14. Nxd4 Nxd4 15. Bxd4 Bxd4 16. cxd4 Rb8 17. a5 c5 18. Rfe1 c4 19. Bc2 Re8 20. h3 Qa7 21. Qe3 Bb7 22. d5 Qxe3 23. Rxe3 Re7 24. Rc3 Rbe8 25. Rc1 Nh5 26. b3 Nf4 27. Kf1 cxb3 28. Bxb3 f5 29. f3 fxe4 30. Nxe4 Nxd5 31. Nxd6 Nxc3 32. Nxe8 b4 33. Nd6 Bc6 34. Re1 Rd7 35. Re8+ Kh7 36. Bg8+ Kg6 37. Re6+ Kh5 38. g4+ Kg5 39. Nf7+ Rxf7 40. Bxf7 Bxf3 41. Rxa6 Be2+ 0-1

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.25"]
[Round "6"]
[White "Hernandez Montes, Jhon Sebastian"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1975"]
[BlackElo "2172"]
[PlyCount "77"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bc4 e6 6. d3 Nge7 7. e5 d5 8. Bb5 0-0 9. 0-0 a6 10. Bxc6 Nxc6 11. Kh1 b5 12. d4 cxd4 13. Nxd4 Nxd4 14. Qxd4 f6 15. Be3 Bb7 16. Bf2 Rc8 17. Qa7 Qc7 18. Bd4 Ra8 19. Qc5 Qxc5 20. Bxc5 Rfc8 21. Bd4 fxe5 22. fxe5 Rc4 23. Rad1 Rac8 24. a3 b4 25. axb4 Rxb4 26. Na2 Ra4 27. Nc3 Rac4 28. Rd2 a5 29. Ra1 Bh6 30. Rdd1 Rxd4 31. Rxd4 Be3 32. Rd3 d4 33. Nd1 Be4 34. Rxe3 dxe3 35. Nxe3 Rc5 36. Kg1 Rxe5 37. Ng4 Rc5 38. Nf6+ Kg7 39. Nxe4 1-0

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.24"]
[Round "5"]
[White "Nieto, Guillermo Luigui"]
[Black "Gallego Alcaraz, Andres Felipe"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2172"]
[BlackElo "2454"]
[PlyCount "173"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Bd3 Be6 11. Qh5+ Bf7 12. Qh3 Nf6 13. 0-0 Nd4 14. Bg5 Be6 15. Qh4 Nf5 16. Qh3 Qd7 17. f4 Nd4 18. Bg6+ Kd8 19. f5 Bg8 20. Bxf6 Bxf6 21. Bh5 b5 22. cxb5 axb5 23. Bf3 Rb8 24. Nd5 Qxf5 25. Qxf5 Nxf5 26. Nxf6 gxf6 27. Be4 Nd4 28. Rxf6 Ke7 29. Rf2 Be6 30. Nc2 Nxc2 31. Bxc2 Ra8 32. a3 b4 33. Bf5 d5 34. g4 e4 35. a4 Ra5 36. b3 Rf8 37. Bxe6 Rxf2 38. Kxf2 Kxe6 39. Ke3 Ke5 40. Rf1 d4+ 41. Ke2 Ra7 42. Rf5+ Ke6 43. Rf4 Rc7 44. Rxe4+ Kd5 45. Re8 Rc2+ 46. Kd1 Rxh2 47. g5 d3 48. a5 Ra2 49. Rh8 Kd4 50. Rxh7 Rxa5 51. g6 Rg5 52. Rd7+ Kc3 53. Rc7+ Kxb3 54. g7 Rg2 55. Rd7 Kb2 56. Rb7 b3 57. Rd7 Ka2 58. Ra7+ Kb1 59. Rb7 Kb2 60. Rd7 Kc3 61. Rc7+ Kd4 62. Rd7+ Kc4 63. Rc7+ Kb5 64. Rb7+ Ka4 65. Ra7+ Kb4 66. Rb7+ Ka3 67. Ra7+ Kb2 68. Rd7 Ka2 69. Ra7+ Kb1 70. Rb7 b2 71. Ra7 d2 72. Rd7 Ka2 73. Ra7+ Kb3 74. Rb7+ Kc3 75. Rc7+ Kd4 76. Rd7+ Kc4 77. Rc7+ Kd5 78. Rb7 Kc4 79. Rc7+ Kd4 80. Rd7+ Ke3 81. Re7+ Kd3 82. Rd7+ Ke4 83. Re7+ Kd5 84. Rb7 Kc4 85. Rc7+ Kd4 86. Rd7+ Kc5 87. Rb7 1/2-1/2

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.24"]
[Round "4"]
[White "Paniagua, Fabio de Jesus"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1834"]
[BlackElo "2172"]
[PlyCount "80"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. 0-0 Nf6 8. Nc3 0-0 9. e4 Qa5 10. Bd2 Qb6 11. Rb1 d6 12. Be3 Qc7 13. h3 Bb7 14. Re1 Rfd8 15. Qe2 d5 16. Bc5 d4 17. Na4 e5 18. b3 Nd7 19. Ba3 Qa5 20. Rbd1 Nb6 21. Qd2 Qxd2 22. Rxd2 Nxa4 23. bxa4 Ba6 24. Bb4 Bc4 25. a3 a5 26. Bc5 Bf8 27. Bxf8 Kxf8 28. f4 f6 29. fxe5 fxe5 30. Bf1 Bxf1 31. Rxf1+ Ke7 32. Rdf2 Rf8 33. Rxf8 Rxf8 34. Rb1 Kd6 35. Rb7 Rf3 36. Rb3 Rc3 37. Rxc3 dxc3 38. Kf2 Kc5 39. Ke3 Kc4 40. g4 g5 0-1

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.23"]
[Round "2"]
[White "Munoz Galvez, Jhon Edison"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2331"]
[BlackElo "2172"]
[PlyCount "83"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 e5 6. b4 d6 7. Rb1 Nge7 8. d3 0-0 9. e3 f5 10. Nge2 Rb8 11. 0-0 Be6 12. b5 Na5 13. Bd2 b6 14. Qa4 e4 15. Nf4 Bf7 16. Ncd5 g5 17. Nxe7+ Qxe7 18. Nd5 Bxd5 19. cxd5 exd3 20. Bxa5 bxa5 21. Qc4 f4 22. exf4 gxf4 23. Qxd3 fxg3 24. hxg3 Bd4 25. Bh3 Qf6 26. Be6+ Kg7 27. Kg2 Bxf2 28. Qe2 Qg6 29. Rb3 Bd4 30. Rbf3 Rf6 31. Bf5 Qf7 32. Be6 Qg6 33. Rxf6 Bxf6 34. Rf4 Rf8 35. Bf5 Qf7 36. Rg4+ Kh8 37. Be6 Qe7 38. a4 Bd4 39. Qd2 Qf6 40. Rf4 Qg7 41. Rg4 Qf6 42. Rf4 1/2-1/2

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.23"]
[Round "3"]
[White "Nieto, Guillermo Luigui"]
[Black "Tovio, Israel"]
[Result "0-1"]
[ECO "B61"]
[WhiteElo "2172"]
[BlackElo "2310"]
[PlyCount "84"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Qa5 8. Nb3 Qc7 9. 0-0-0 0-0-0 10. f4 Kb8 11. Be2 Bc8 12. Bf3 e6 13. Qe2 Be7 14. Kb1 a6 15. Rd2 Ng8 16. Bxe7 Ngxe7 17. Rhd1 b6 18. g3 Bb7 19. a3 Rd7 20. Rd3 Rhd8 21. Qd2 Na7 22. e5 Nac8 23. Ne4 Bxe4 24. Bxe4 d5 25. Bf3 b5 26. Nd4 Nb6 27. Qa5 Qb7 28. Qe1 Rc8 29. g4 Nc6 30. Qh4 h6 31. g5 hxg5 32. Qxg5 Nxd4 33. Rxd4 Rdc7 34. c3 g6 35. h4 Na4 36. h5 gxh5 37. Qxh5 Qb6 38. f5 Nxb2 39. Kxb2 Rxc3 40. Bxd5 Qa5 41. a4 Rc2+ 42. Kb1 Qc3 0-1

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.22"]
[Round "1"]
[White "Nieto, Guillermo Luigui"]
[Black "Benjumea Rave, Jaime Stiden"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2172"]
[BlackElo "1733"]
[PlyCount "43"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd3 Bxd3 7. Qxd3 Nc6 8. 0-0 0-0-0 9. Bf4 e6 10. a3 Qb6 11. Be3 Bd6 12. d5 Bc5 13. Na4 Bxe3 14. Nxb6+ Bxb6 15. b4 Rxd5 16. Qb3 Rhd8 17. c4 Rd3 18. Qc2 Bd4 19. Nxd4 R8xd4 20. Rfd1 Ne5 21. Rxd3 Rxd3 22. f4 1-0

[Event "Bogota Distrital qual"]
[Site "Bogota"]
[Date "2016.03.20"]
[Round "4"]
[White "Nieto, Guillermo Luigui"]
[Black "Castaneda, Victor"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2172"]
[BlackElo "1839"]
[PlyCount "91"]
[EventDate "2016.03.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. dxc5 Qxc5 10. Qd2 Nc6 11. Bd3 h6 12. a3 b5 13. Qf2 Qxf2+ 14. Kxf2 0-0 15. Rae1 Nc5 16. Ne2 f6 17. exf6 Rxf6 18. Kg3 Bd7 19. b4 Nxd3 20. cxd3 a5 21. Ned4 Nxd4 22. Nxd4 axb4 23. axb4 Ra3 24. Re3 Ra2 25. Re2 Ra3 26. Rd1 Ra4 27. Rb1 Kf7 28. Rc2 Ke7 29. Rbb2 Kd6 30. Nf3 Ra3 31. d4 Be8 32. Ra2 Ra4 33. Ne5 g5 34. fxg5 hxg5 35. Rxa4 bxa4 36. Rc8 Bb5 37. Rc5 Be2 38. Rc6+ Ke7 39. Rc7+ Kd8 40. Ra7 Kc8 41. Rxa4 Rf4 42. Ra2 Re4 43. Rd2 Kc7 44. h3 Kb6 45. Nd7+ Kb5 46. Nc5 1-0

[Event "Bogota Distrital qual"]
[Site "Bogota"]
[Date "2016.03.19"]
[Round "3"]
[White "Garcia, Engels Vladimir"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1908"]
[BlackElo "2172"]
[PlyCount "126"]
[EventDate "2016.03.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. 0-0 Qa5 12. Rac1 Rfc8 13. b3 a6 14. f3 b5 15. Nd5 Qxd2 16. Bxd2 Nxd5 17. cxd5 Bd4+ 18. Kh1 Bd7 19. Rxc8+ Rxc8 20. Rc1 Rxc1+ 21. Bxc1 f5 22. g4 Kf7 23. Kg2 Kf6 24. h3 Ke5 25. Bd3 fxe4 26. fxe4 Bc5 27. Bb2+ Kf4 28. Bc1+ Be3 29. Bb2 e6 30. dxe6 Bxe6 31. Bg7 d5 32. exd5 Bxd5+ 33. Kh2 Kf3 34. Be5 Bf4+ 35. Bxf4 Kxf4 36. a4 bxa4 37. bxa4 a5 38. Bb5 g5 39. Bd7 Ke3 40. Kg3 Kd4 41. h4 h6 42. hxg5 hxg5 43. Kf2 Bb3 44. Ke2 Kc3 45. Ke3 Bc2 46. Bc6 Kb4 47. Kd2 Bxa4 48. Bf3 Bb3 49. Kc1 a4 50. Kb1 Kc3 51. Be4 a3 52. Bf5 Kd4 53. Bd7 Ke3 54. Bc6 Be6 55. Bb7 Kf4 56. Bg2 Kxg4 57. Bf1 Kf4 58. Bg2 g4 59. Bc6 g3 60. Bg2 Ke3 61. Bc6 Kf2 62. Be4 Bg4 63. Ka2 Bf3 0-1

[Event "Bogota Distrital qual"]
[Site "Bogota"]
[Date "2016.03.19"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Leal Cortes, Diego Fernando"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2172"]
[BlackElo "1903"]
[PlyCount "61"]
[EventDate "2016.03.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. 0-0 0-0 11. Rae1 Bh5 12. Ne5 Nxe5 13. Bxe5 Bg6 14. Qc2 Qc6 15. f4 Bxd3 16. Qxd3 Nd7 17. f5 Nxe5 18. dxe5 Bc5+ 19. Kh1 exf5 20. Rxf5 Qg6 21. Ref1 Rad8 22. Nb3 Bb6 23. a4 Rfe8 24. Qf3 Rd7 25. a5 Bc7 26. Nc5 Rdd8 27. Nxb7 Rd7 28. Nc5 Rdd8 29. Rxf7 Bxe5 30. Nd7 h6 31. Qxd5 1-0

[Event "Manizales Castro Memorial"]
[Site "Manizales"]
[Date "2015.12.20"]
[Round "7"]
[White "Molina, Gildardo"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2052"]
[BlackElo "2040"]
[PlyCount "46"]
[EventDate "2015.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. h4 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qa5+ 12. Bd2 Qe5+ 13. Ne2 Qxb2 14. Rb1 Qxa2 15. h5 Bf5 16. Rxb7 Bxc2 17. Qc1 Ne5 18. hxg6 Nd3+ 19. Kf1 Nxc1 20. Rxe7 Nxe2 21. Bxa8 Qa1+ 22. Be1 Ng3+ 23. fxg3 Qf6+ 0-1

[Event "Manizales Castro Memorial"]
[Site "Manizales"]
[Date "2015.12.20"]
[Round "6"]
[White "Nieto, Guillermo Luigui"]
[Black "Torres, Jorge Emilio"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2040"]
[BlackElo "2035"]
[PlyCount "96"]
[EventDate "2015.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Bg4 9. Be2 0-0 10. 0-0-0 Qd7 11. h3 Bxf3 12. Bxf3 Ne5 13. Be2 Qa4 14. Kb1 Bf6 15. f4 Nc4 16. Bxc4 Qxc4 17. g4 Bh4 18. Qg2 Rfe8 19. Rd3 Re4 20. g5 Qc6 21. Rg1 Rae8 22. Qf3 f5 23. gxf6 Bxf6 24. Qg3 Qd7 25. Bc1 Qf5 26. Qg4 Qxg4 27. hxg4 Re1 28. Rxe1 Rxe1 29. Re3 Rxe3 30. Bxe3 a6 31. Kc1 g6 32. g5 Be7 33. Kd2 Kf7 34. c4 Ke6 35. Ke2 d5 36. cxd5+ Kxd5 37. Kf3 b5 38. c3 c5 39. Bd2 a5 40. Ke3 a4 41. b3 c4 42. bxa4 bxa4 43. Kf3 Bf8 44. Be3 Bg7 45. Bd2 h6 46. gxh6 Bxh6 47. Be3 Bg7 48. Bd2 Bf6 1/2-1/2

[Event "Manizales Castro Memorial"]
[Site "Manizales"]
[Date "2015.12.19"]
[Round "4"]
[White "Nieto, Guillermo Luigui"]
[Black "Jaramillo Ochoa, Mateo"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2040"]
[BlackElo "2125"]
[PlyCount "45"]
[EventDate "2015.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 f5 8. Nd5 Rb8 9. Nbc7+ Kf8 10. exf5 Nd4 11. Bd3 Nf6 12. 0-0 g6 13. fxg6 hxg6 14. Bxg6 Kg7 15. Qd3 Ng4 16. h3 Bg5 17. Be3 Nf3+ 18. gxf3 Rxh3 19. fxg4 Bf4 20. Nxf4 Qh4 21. Nce6+ Bxe6 22. Nxe6+ Kh8 23. Qe4 1-0

[Event "Manizales Castro Memorial"]
[Site "Manizales"]
[Date "2015.12.19"]
[Round "5"]
[White "Torres, Juan Camilo"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2300"]
[BlackElo "2040"]
[PlyCount "132"]
[EventDate "2015.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 0-0 7. Bg2 Na5 8. b3 b6 9. 0-0 Bb7 10. Qc2 d5 11. cxd5 exd5 12. Bg5 h6 13. Bxf6 Qxf6 14. Ne5 Rfd8 15. a3 Bxc3 16. Qxc3 c5 17. Rab1 Nc6 18. Nxc6 Qxc6 19. Rfd1 Rac8 20. Rbc1 Qe6 21. e3 c4 22. Qb4 Ba6 23. Bf1 b5 24. a4 Rb8 25. Rc3 Qc6 26. axb5 Bxb5 27. Qa5 a6 28. bxc4 dxc4 29. Bxc4 Bxc4 30. Rdc1 Qb5 31. Qa3 Bd5 32. Re1 Qb4 33. e4 Qxa3 34. Rxa3 Bc4 35. d5 Bb5 36. Rd1 Rbc8 37. Rd2 Rc5 38. Kg2 f6 39. f3 Rdc8 40. f4 Rc2 41. Rxc2 Rxc2+ 42. Kf3 Kf7 43. h4 h5 44. Ke3 Ke7 45. e5 fxe5 46. fxe5 Rc4 47. Ra1 Rg4 48. Rc1 Bc4 49. Rd1 Rxg3+ 50. Kd4 Rg4+ 51. Kc5 Rxh4 52. d6+ Kd7 53. Rc1 Re4 54. Rg1 Rxe5+ 55. Kxc4 g5 56. Rb1 Kxd6 57. Rb6+ Ke7 58. Rxa6 Rf5 59. Kd4 h4 60. Rh6 Kf7 61. Ke4 Rf6 62. Rh5 Kg6 63. Rh8 Rf7 64. Ke3 Rh7 65. Rf8 Re7+ 66. Kd3 h3 0-1

[Event "Manizales Castro Memorial"]
[Site "Manizales"]
[Date "2015.12.18"]
[Round "3"]
[White "Coca Cubillos, Jesus Alberto"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1865"]
[BlackElo "2040"]
[PlyCount "102"]
[EventDate "2015.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. Nc3 d5 5. cxd5 Nxd5 6. e3 Be6 7. Nf3 Ndb4 8. Bb5 f6 9. d4 exd4 10. Nxd4 Bd7 11. Bxc6 Bxc6 12. 0-0 Qd7 13. a3 Nd5 14. Nxc6 Nxc3 15. Qxd7+ Kxd7 16. Nd4 Ne4 17. Rfd1 Bd6 18. f3 Nc5 19. Rac1 b6 20. b4 Ne6 21. Nf5 Rhf8 22. Rc2 Rad8 23. Rcd2 Kc6 24. f4 g6 25. b5+ Kxb5 26. Nxd6+ cxd6 27. Rxd6 f5 28. Be5 Rxd6 29. Rxd6 Nc5 30. h3 a5 31. g4 Rf7 32. Rd4 Rd7 33. a4+ Kc6 34. Rc4 Rd3 35. gxf5 gxf5 36. Kf2 Ra3 37. Rd4 Rxa4 38. Rd6+ Kb5 39. Rh6 Nd3+ 40. Ke2 Nxe5 41. fxe5 Re4 42. Kd3 Rxe5 43. Rxh7 a4 44. h4 a3 45. Kc2 Rxe3 46. Rf7 Rf3 47. h5 Kb4 48. h6 Rf2+ 49. Kc1 a2 50. Ra7 Kb3 51. h7 Rh2 0-1

[Event "Manizales Castro Memorial"]
[Site "Manizales"]
[Date "2015.12.18"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Vargas, Diana Paola"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2040"]
[BlackElo "1730"]
[PlyCount "89"]
[EventDate "2015.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd2 Qg6 9. Nc3 d5 10. Qxd5 Be6 11. Qd2 Rd8 12. Qg5 Nb4 13. Bd3 Nxd3+ 14. cxd3 Rxd3 15. 0-0 f6 16. Qxg6+ hxg6 17. Be3 Ne7 18. Rfd1 Rxd1+ 19. Rxd1 Kf7 20. f3 g5 21. a4 Nc6 22. Bb6 g4 23. Rd6 gxf3 24. gxf3 Rh3 25. Kg2 Rh6 26. Nd5 Bh3+ 27. Kg3 Bc8 28. Ne3 Rg6+ 29. Kf2 Rh6 30. Kg2 Bh3+ 31. Kg3 Be6 32. Bc5 Rg6+ 33. Kf2 Rh6 34. Kg2 Bh3+ 35. Kg3 Be6 36. b4 Ne7 37. Rb6 Rh3+ 38. Kg2 Bc8 39. Nc4 Rh8 40. Nd6+ Kg6 41. Nxc8 Nxc8 42. Rxb7 Rd8 43. Rc7 Kh6 44. b5 axb5 45. axb5 1-0

[Event "Manizales Castro Memorial"]
[Site "Manizales"]
[Date "2015.12.17"]
[Round "1"]
[White "Guzman, Jose Fidias"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1624"]
[BlackElo "2040"]
[PlyCount "80"]
[EventDate "2015.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 d6 7. Nc3 Nxc3 8. bxc3 dxe5 9. d5 e4 10. Qa4 Qxd5 11. Nd4 Bd7 12. Bb5 Nxd4 13. Bxd7+ Qxd7 14. Qxd7+ Kxd7 15. cxd4 e6 16. Rb1 b6 17. Be3 Rc8 18. Kd2 Bd6 19. h3 f5 20. g3 Rc4 21. Rhc1 Rxc1 22. Rxc1 Bb4+ 23. Ke2 Rc8 24. Rxc8 Kxc8 25. h4 g6 26. Bc1 Kd7 27. a3 Bd6 28. Be3 Kc6 29. a4 Kd5 30. Kd2 Kc4 31. Kc2 Kb4 32. a5 Kxa5 33. Kb3 Kb5 34. Bd2 a5 35. Be3 a4+ 36. Kc3 Bb4+ 37. Kb2 Kc4 38. Ka2 b5 39. Kb2 Bc3+ 40. Ka3 Bxd4 0-1

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.13"]
[Round "6"]
[White "Nieto, Manuel Valerio Wald"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2138"]
[BlackElo "2040"]
[PlyCount "60"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bc5 6. Be3 Bxd4 7. Bxd4 Nxd4 8. Qxd4 0-0 9. Be2 d6 10. 0-0-0 Qe7 11. h3 a6 12. Bf3 Qe5 13. Qc4 Qe7 14. Rhe1 Be6 15. Qd3 Qd7 16. Nd5 Nxd5 17. exd5 Bf5 18. Be4 Bxe4 19. Rxe4 Rae8 20. Rde1 Rxe4 21. Qxe4 g6 22. Qe7 Qxe7 23. Rxe7 Rc8 24. Kd2 Kf8 25. Re4 Re8 26. Rb4 b6 27. a4 a5 28. g4 f6 29. h4 h5 30. f3 f5 1/2-1/2

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.12"]
[Round "5"]
[White "Nieto, Guillermo Luigui"]
[Black "Valle, Efrain"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2040"]
[BlackElo "2208"]
[PlyCount "102"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf3 Ng6 5. Nc3 Bc5 6. Bc4 c6 7. a4 Nf6 8. 0-0 0-0 9. h3 d6 10. Re1 Be6 11. Qd3 Nd7 12. Bg5 Qa5 13. Bxe6 fxe6 14. Qc4 Rae8 15. Be3 Rxf3 16. gxf3 Nde5 17. Qe2 Nh4 18. f4 Nef3+ 19. Kh1 d5 20. Bxc5 Qxc5 21. exd5 Nxe1 22. Rxe1 cxd5 23. Qb5 Qxb5 24. Nxb5 Rc8 25. c3 Rc4 26. Rxe6 Rxf4 27. Kg1 Rxa4 28. Nd6 h5 29. Nxb7 Ra1+ 30. Kh2 g5 31. Rd6 Rf1 32. Rxd5 Rxf2+ 33. Kg1 Rg2+ 34. Kf1 Kf7 35. b4 Kf6 36. c4 Rc2 37. c5 Nf3 38. Nd6 Kg6 39. b5 g4 40. hxg4 hxg4 41. Ne4 Kf7 42. Ng5+ Kf6 43. Nxf3 gxf3 44. c6 Ke6 45. Rd3 a6 46. bxa6 Rxc6 47. Re3+ Kd7 48. a7 Ra6 49. Rxf3 Ra1+ 50. Kg2 Kc6 51. Rf7 Kb6 1/2-1/2

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.11"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Rozo, Claudia Magally"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2040"]
[BlackElo "1701"]
[PlyCount "121"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 Nf6 4. Bg2 e6 5. c3 Nbd7 6. d4 Be7 7. 0-0 0-0 8. h3 Rb8 9. f4 b5 10. Be3 Bb7 11. Nd2 Nb6 12. Qb3 a6 13. g4 cxd4 14. cxd4 Nc4 15. Nxc4 bxc4 16. Qc2 Rc8 17. Nc3 d5 18. e5 Ne8 19. f5 Nc7 20. Rf2 Bh4 21. Rf3 f6 22. fxe6 Nxe6 23. Qf5 Qe7 24. Rff1 Nc7 25. Bf2 Bxf2+ 26. Rxf2 fxe5 27. Qxe5 Qxe5 28. dxe5 Rxf2 29. Kxf2 Kf7 30. Na4 Nb5 31. Nb6 Rd8 32. Rd1 Ke6 33. Nxc4 Rc8 34. Ne3 Kxe5 35. Bxd5 Bxd5 36. Rxd5+ Ke4 37. Rf5 Rc7 38. Rf8 Re7 39. Nf5 Rc7 40. Re8+ Kd3 41. Re3+ Kd2 42. a4 Na7 43. Re2+ Kd3 44. Re3+ Kd2 45. b4 Rf7 46. Rf3 Nc6 47. b5 axb5 48. axb5 Ne5 49. Re3 Ng6 50. b6 Rb7 51. Rb3 Kc2 52. Rb5 Nf4 53. Nd6 Rb8 54. b7 Nd3+ 55. Kg3 Kc3 56. Ra5 Nb4 57. Ra8 Nc6 58. Rxb8 Nxb8 59. Kf4 Kd4 60. Nf5+ Kd5 61. Nxg7 1-0

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.11"]
[Round "3"]
[White "Ramirez, Benjamin Dario"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2255"]
[BlackElo "2040"]
[PlyCount "57"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. Bc4 0-0 9. 0-0 d6 10. h3 Bb7 11. Qe2 d5 12. exd5 cxd5 13. Rad1 Qa5 14. b4 Qxb4 15. Nxd5 Nxd5 16. Bxd5 Bxd5 17. Rxd5 Rfc8 18. Rfd1 Qb2 19. a4 h5 20. R1d2 Qa1+ 21. Kh2 Qxa4 22. Bd4 Bxd4 23. R2xd4 Qc6 24. Qxe7 Qc7+ 25. Qxc7 Rxc7 26. c4 Rac8 27. Ra5 Rxc4 28. Rxc4 Rxc4 29. Rxa7 1/2-1/2

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.10"]
[Round "1"]
[White "Almeida Quintana, Omar"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2527"]
[BlackElo "2040"]
[PlyCount "35"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 c5 8. a3 Bxd2 9. Qxd2 Nc6 10. dxc5 bxc5 11. b4 Qb6 12. Bb2 cxb4 13. axb4 Qxb4 14. Bxf6 Qxd2 15. Nxd2 gxf6 16. Ne4 Kg7 17. Nc5 Bc8 18. Ra4 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.12"]
[Round "9"]
[White "Salcedo Perez, Pablo Esteban"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "E47"]
[WhiteElo "1937"]
[BlackElo "2047"]
[PlyCount "68"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. e3 d6 6. Bd3 Qe7 7. Qb3 Nc6 8. 0-0 Bxc3 9. Qxc3 e5 10. d5 e4 11. Nd2 Nb8 12. Bc2 c6 13. dxc6 Nxc6 14. b3 Bf5 15. Bb2 Rfe8 16. f3 d5 17. fxe4 Bxe4 18. Bxe4 dxe4 19. Rf4 Qe5 20. Qc1 Qc5 21. Qe1 Ne5 22. Bd4 Qc6 23. Rf5 Nfd7 24. Qg3 f6 25. Raf1 Kh8 26. b4 Nxc4 27. Nxc4 Qxc4 28. Rh5 Qf7 29. Qh4 h6 30. g4 Kh7 31. g5 Qg8 32. Bxf6 Rf8 33. Kh1 Nxf6 34. Rxf6 gxf6 0-1

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.11"]
[Round "7"]
[White "Silva, Jorge"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1936"]
[BlackElo "2047"]
[PlyCount "83"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. exd6 Qxd6 8. Be2 Bg4 9. 0-0 g6 10. Nc3 Bg7 11. h3 Bxf3 12. Bxf3 Nb6 13. Ne4 Qxd4 14. Qb3 0-0 15. Rb1 Qc4 16. Qxc4 Nxc4 17. Nc5 N4e5 18. Bxc6 bxc6 19. Bf4 Rfd8 20. Rbc1 Rac8 21. Rc2 Nd3 22. Nxd3 Rxd3 23. Be3 Bd4 24. Bxd4 Rxd4 25. Rfc1 Rb4 26. b3 Rb6 27. Kf1 e6 28. Ke2 Kf8 29. Ke3 Ke7 30. Rc4 h5 31. h4 Kd6 32. Rd1+ Kc7 33. Rcd4 Kb7 34. f3 c5 35. Rd7+ Rc7 36. g4 Rb4 37. Rxc7+ Kxc7 38. Rc1 hxg4 39. Rxc5+ Kb6 40. Rg5 gxf3 41. h5 gxh5 42. Rxh5 0-1

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.10"]
[Round "5"]
[White "Avila Pavas, Santiago"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1869"]
[BlackElo "2047"]
[PlyCount "55"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 b6 5. Nf3 Bb7 6. Bd3 Be7 7. h3 0-0 8. 0-0 d5 9. Ne5 Nc6 10. Bh2 Ne4 11. Qa4 Nxe5 12. dxe5 f6 13. exf6 Nxf6 14. Ba6 Bxa6 15. Qxa6 Bd6 16. Bxd6 Qxd6 17. Nd2 e5 18. a4 Nd7 19. a5 c4 20. Rad1 Qc6 21. e4 Rfc8 22. exd5 Qxd5 23. Nxc4 Qxc4 24. Qxc4+ Rxc4 25. Rxd7 b5 26. Rfd1 Rf4 27. Re7 Raf8 28. Rd2 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.10"]
[Round "6"]
[White "Nieto, Guillermo Luigui"]
[Black "Ribero, Guillermo Andres"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2047"]
[BlackElo "1820"]
[PlyCount "59"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 0-0 12. cxb5 axb5 13. Nxb5 Bg5 14. Be2 f5 15. Ndc7 Nd4 16. Nxa8 Qa5+ 17. Nc3 Qxa8 18. 0-0 Bd7 19. Bc4+ Kh8 20. Ne2 Nxe2+ 21. Qxe2 fxe4 22. Rad1 Rf6 23. Bd5 Qc8 24. Bxe4 Rh6 25. Qd3 Qe8 26. Qd5 Bf4 27. g3 Qh5 28. Qa8+ Be8 29. h4 g5 30. Bf3 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.08"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Martinez Romero, Martin"]
[Result "0-1"]
[ECO "B61"]
[WhiteElo "2047"]
[BlackElo "2402"]
[PlyCount "52"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Nxd4 8. Qxd4 Qa5 9. f4 Rc8 10. 0-0-0 h6 11. Bxf6 gxf6 12. Bc4 Qc5 13. Qxc5 Rxc5 14. Bb3 e6 15. g4 h5 16. h3 Bh6 17. Rdf1 hxg4 18. hxg4 Bxf4+ 19. Kb1 Rxh1 20. Rxh1 Ke7 21. Rf1 Be5 22. Nd1 Bc6 23. Nf2 Bd4 24. Nd3 Rg5 25. Rf4 Be5 26. Nxe5 fxe5 0-1

[Event "Tocancipa 1st"]
[Site "Tocancipa"]
[Date "2015.09.26"]
[Round "7"]
[White "Prado, Leonardo"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2051"]
[BlackElo "2047"]
[PlyCount "67"]
[EventDate "2015.09.18"]
[EventType "tourn"]
[EventRounds "10"]
[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. Nc3 g6 4. Bb5 Bg7 5. 0-0 e5 6. d3 Nge7 7. Bg5 0-0 8. a4 h6 9. Be3 d6 10. Bc4 Kh7 11. Nd2 Nd4 12. Kh1 Nec6 13. Nd5 f5 14. c3 Ne6 15. exf5 gxf5 16. f4 Bd7 17. Qh5 Qe8 18. Qh3 Qg6 19. Nf3 Qg4 20. Ng5+ Nxg5 21. Qxg4 fxg4 22. fxg5 h5 23. Nc7 Rxf1+ 24. Rxf1 Rf8 25. Bf7 Ne7 26. Kg1 h4 27. a5 Bf5 28. Rxf5 Nxf5 29. g6+ Kh8 30. Bg5 Bh6 31. Bf6+ Bg7 32. Ne6 Bxf6 33. Nxf8 Kg7 34. Ne6+ 1/2-1/2

[Event "Tocancipa 1st"]
[Site "Tocancipa"]
[Date "2015.09.25"]
[Round "6"]
[White "Nieto, Guillermo Luigui"]
[Black "Hernandez, Oscar Eduardo"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2047"]
[BlackElo "2022"]
[PlyCount "66"]
[EventDate "2015.09.18"]
[EventType "tourn"]
[EventRounds "10"]
[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 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rb8 11. h4 Na5 12. 0-0-0 b5 13. h5 Nc4 14. Bxc4 bxc4 15. hxg6 fxg6 16. Bh6 Rf7 17. Bxg7 Rxg7 18. Nd5 e6 19. Ne3 Qc7 20. Qc3 e5 21. Ne2 Be6 22. Rd2 Rb6 23. Rhd1 Qc5 24. g4 Rgb7 25. b3 Qa3+ 26. Qb2 Qxb2+ 27. Kxb2 cxb3 28. axb3 Bxb3 29. Kc1 Be6 30. Rxd6 Rb1+ 31. Kd2 Rxd1+ 32. Kxd1 Rd7 33. Rxd7 Nxd7 1/2-1/2

[Event "Tocancipa 1st"]
[Site "Tocancipa"]
[Date "2015.09.20"]
[Round "4"]
[White "Nieto, Guillermo Luigui"]
[Black "Torres Rojas, Yuber Andres"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2047"]
[BlackElo "2097"]
[PlyCount "59"]
[EventDate "2015.09.18"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Qd5 9. 0-0 Bd6 10. Nc3 Qd4 11. Nge4 Bg4 12. Nxd6+ Qxd6 13. f3 Bd7 14. Qe2 0-0 15. Ne4 Qe7 16. Nxf6+ Qxf6 17. Qe4 g6 18. f4 exf4 19. Qxf4 Qg7 20. Qf6 Nb7 21. Qxg7+ Kxg7 22. b3 Nd8 23. Bb2+ Kg8 24. Rae1 Ne6 25. Bc4 a5 26. a4 Rfe8 27. Bc3 Nd8 28. Rxe8+ Bxe8 29. Re1 Nb7 30. Re5 1-0

[Event "Tocancipa 1st"]
[Site "Tocancipa"]
[Date "2015.09.19"]
[Round "3"]
[White "Torres, Jose Leonardo"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1938"]
[BlackElo "2047"]
[PlyCount "100"]
[EventDate "2015.09.18"]
[EventType "tourn"]
[EventRounds "10"]
[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. c3 Nf6 4. Qc2 e5 5. Bc4 Be7 6. 0-0 0-0 7. d3 a6 8. a3 b5 9. Bd5 Qc7 10. Qe2 Bb7 11. Rd1 d6 12. Ba2 Rad8 13. Bg5 h6 14. Bxf6 Bxf6 15. Nbd2 Ne7 16. Nf1 d5 17. Ng3 Ng6 18. Nh5 Be7 19. Re1 dxe4 20. dxe4 c4 21. Bb1 Bc5 22. Bc2 Bb6 23. Kh1 Qc5 24. Rf1 Rd6 25. Rad1 Rfd8 26. Rxd6 Rxd6 27. h3 a5 28. Nh2 b4 29. axb4 axb4 30. Ng4 b3 31. Bb1 Qc6 32. f3 Qc5 33. Qe1 Bc8 34. Ng3 Bxg4 35. hxg4 Nf4 36. Nf5 Rd8 37. g3 Ne6 38. Qe2 Kh7 39. Qh2 Qf8 40. f4 g6 41. Nh4 Qc5 42. Nf3 exf4 43. gxf4 Qe3 44. f5 Rd1 45. Qh3 Qe2 46. Nh2 Rxb1 47. fxe6 Qxe4+ 48. Qg2 Qxg2+ 49. Kxg2 Rxb2+ 50. Kh3 fxe6 0-1

[Event "Arlington DC op 3rd"]
[Site "Arlington"]
[Date "2015.06.26"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Vibbert, Sean"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2001"]
[BlackElo "2360"]
[PlyCount "77"]
[EventDate "2015.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nxd4 8. Qxd4 Ne7 9. 0-0-0 Nc6 10. Qb6 Qxb6 11. Bxb6 Be7 12. f4 f6 13. Bc4 Bd8 14. Na4 Rb8 15. Rd2 Na5 16. Be2 Bxb6 17. Nxb6 Ke7 18. Rhd1 Rd8 19. Rd6 g6 20. b4 Nc6 21. c3 e5 22. g3 Nd4 23. cxd4 Kxd6 24. dxe5+ Ke7 25. exf6+ Kxf6 26. Rd6+ Kg7 27. e5 Re8 28. Kd2 Re6 29. Kc3 Kf8 30. Kd4 Ke7 31. Kd5 Ke8 32. Bg4 Re7 33. Rf6 Kd8 34. Kd6 Ke8 35. Bh3 Rg7 36. Bf1 g5 37. Be2 Rg8 38. Kc7 gxf4 39. Bh5+ 1-0

[Event "Arlington DC op 3rd"]
[Site "Arlington"]
[Date "2015.06.25"]
[Round "1"]
[White "Wang, Kevin A"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2364"]
[BlackElo "2001"]
[PlyCount "122"]
[EventDate "2015.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. b3 b6 5. Bd3 Bb7 6. 0-0 Be7 7. Bb2 0-0 8. Nbd2 cxd4 9. exd4 d6 10. c4 Nbd7 11. Re1 Rc8 12. Rc1 Qc7 13. Nf1 Rfe8 14. Ng3 Bf8 15. Bb1 Qb8 16. Qd3 e5 17. Ng5 h6 18. dxe5 dxe5 19. Nh7 Bb4 20. Re2 e4 21. Nxf6+ Nxf6 22. Qc2 Qf4 23. a3 Bd6 24. Rce1 b5 25. Bd4 bxc4 26. bxc4 h5 27. Bxf6 gxf6 28. Qb2 Rb8 29. Qd2 Qxd2 30. Rxd2 Bxg3 31. hxg3 f5 32. Ba2 Red8 33. Red1 Rxd2 34. Rxd2 Bc6 35. c5 Kg7 36. Rd6 Rc8 37. Bc4 Be8 38. Rd5 Kf6 39. Kf1 Bc6 40. Rd6+ Ke7 41. Ba6 Rc7 42. Rd1 Bb7 43. Bxb7 Rxb7 44. Rd5 Ke6 45. Rd6+ Ke7 46. Ra6 Rc7 47. Ra5 Ke6 48. Ke2 Kd5 49. c6+ Kd4 50. Rxf5 Rxc6 51. Rxf7 Ra6 52. Rd7+ Ke5 53. Re7+ Kd4 54. f3 exf3+ 55. gxf3 Rxa3 56. Re4+ Kd5 57. Rh4 Ra2+ 58. Kd1 Ra1+ 59. Kc2 Ra3 60. Rxh5+ Ke6 61. Rh6+ Kf7 1/2-1/2

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.03"]
[Round "6"]
[White "Nieto, Guillermo Luigui"]
[Black "Ramirez, Heimy Polgar"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "1959"]
[BlackElo "2159"]
[PlyCount "23"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nc6 8. Bxc6+ bxc6 9. Nbd2 Nh6 10. h3 Bxf3 11. Nxf3 0-0 12. 0-0 1/2-1/2

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.03"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Salcedo, Jackeline"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "1959"]
[BlackElo "2040"]
[PlyCount "53"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. dxc5 Nxc5 10. Bd3 Nc6 11. 0-0 Bd7 12. Ne2 Rc8 13. Ned4 Nxd4 14. Nxd4 Nxd3 15. Qxd3 Qc5 16. Kh1 0-0 17. c3 Qc4 18. Qxc4 Rxc4 19. Rad1 Rfc8 20. g4 f6 21. Rde1 Re8 22. f5 fxe5 23. Rxe5 exf5 24. Rxe8+ Bxe8 25. Nxf5 Re4 26. Nd6 Re7 27. Nxe8 1/2-1/2

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.02"]
[Round "5"]
[White "Guzman, Campo Elias"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2018"]
[BlackElo "1959"]
[PlyCount "66"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e3 c5 4. c3 d5 5. Bd3 Nc6 6. Nf3 Bd6 7. Nbd2 Qb6 8. Rb1 h6 9. Bh4 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Nf3 Bg4 13. h3 Bxf3 14. Qa4+ Nd7 15. gxf3 g5 16. f4 Bxf4 17. exf4 gxh4 18. Kf1 0-0-0 19. Bf5 Kc7 20. Rg1 Qc6 21. Qxc6+ bxc6 22. Rg7 Rdf8 23. Re1 Kd6 24. Bxd7 Kxd7 25. Re5 Rhg8 26. Rxg8 Rxg8 27. Rh5 Rh8 28. Ke2 Ke6 29. Kf3 f5 30. Ke3 Kf6 31. b4 cxb4 32. cxb4 Kg6 33. Rxh4 Rb8 0-1

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.02"]
[Round "4"]
[White "Nieto, Guillermo Luigui"]
[Black "Cadena Montoya, Gustavo Adolfo"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1959"]
[BlackElo "2183"]
[PlyCount "112"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. 0-0-0 Qc7 10. Bd3 h6 11. Bh4 g5 12. fxg5 Ne5 13. Qe2 Nfg4 14. Nf3 Ng6 15. gxh6 Nxh4 16. Nxh4 Bg5+ 17. Kb1 Ne3 18. Rdg1 Bxh6 19. Nf3 b5 20. g4 Nc4 21. Bxc4 Qxc4 22. Qxc4 bxc4 23. Rd1 Ke7 24. Rd4 e5 25. Nd5+ Kf8 26. Rxc4 Bxg4 27. Rc3 Rc8 28. Rxc8+ Bxc8 29. a3 Be6 30. Rd1 Bg4 31. Rf1 Bh3 32. Rf2 Rg8 33. Nd2 Rg1+ 34. Ka2 Re1 35. Nc4 Be6 36. Nxd6 Rxe4 37. c4 Rd4 38. Nf5 Rxc4 39. b3 Rc5 40. Nb4 Bc1 41. Nd3 Rc3 42. Nxc1 Rxc1 43. Kb2 Rd1 44. Ne3 Rd3 45. Nc4 e4 46. Kc2 Ke7 47. a4 f5 48. Rd2 Rh3 49. Na5 e3 50. Re2 f4 51. Nc6+ Kf6 52. Nd4 Bd5 53. Kd3 Ke5 54. b4 Rh8 55. Nc2 Bf3 56. Re1 Be4+ 0-1

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.01"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Lopez, Alberto"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1959"]
[BlackElo "2134"]
[PlyCount "39"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nc6 10. 0-0-0 Nxd4 11. Rxd4 e5 12. fxe5 Qb6 13. exf6 Qxd4 14. fxe7 Be6 15. Bd3 g5 16. Bf2 Qe5 17. Bg3 Qd4 18. Nd5 Rc8 19. Bxd6 g4 20. Nf6+ 1-0

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.04.30"]
[Round "1"]
[White "Fraile Vela, Maria Isabel"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1612"]
[BlackElo "1959"]
[PlyCount "62"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nf3 Nf6 7. Bd3 0-0 8. 0-0 d6 9. Bd2 a6 10. Qc1 b5 11. Bh6 Bb7 12. Bxg7 Kxg7 13. Nd5 Nxd5 14. exd5 Nb4 15. Qd2 Nxd5 16. Rae1 Nf6 17. Qe2 e5 18. Nd2 Re8 19. c3 Qb6 20. Ne4 Nxe4 21. Bxe4 d5 22. Bc2 Rad8 23. Qf3 d4 24. Be4 Bxe4 25. Qxe4 f5 26. Qc2 d3 27. Qd2 e4 28. Re3 f4 29. Rh3 e3 30. fxe3 fxe3 31. Qc1 e2+ 0-1

[Event "Bogota Triduo op"]
[Site "Bogota"]
[Date "2015.04.04"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Castro Munoz, Andres Felipe"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1944"]
[PlyCount "129"]
[EventDate "2015.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. Nf3 g6 4. Nc3 Bg7 5. Be3 Ngf6 6. e5 Ng4 7. exd6 Nxe3 8. fxe3 cxd6 9. Bd3 0-0 10. 0-0 Re8 11. Ng5 Nf6 12. Qd2 Qb6 13. Bc4 Rf8 14. Bb3 e6 15. Rae1 Qd8 16. Qf2 h6 17. Nf3 a6 18. e4 Qa5 19. e5 dxe5 20. Nxe5 Qb6 21. Rd1 Bd7 22. d5 Qxf2+ 23. Rxf2 exd5 24. Rxf6 Be6 25. Rxe6 fxe6 26. Nxg6 Rfe8 27. Nf4 Rad8 28. Re1 Rd6 29. Nfxd5 Bd4+ 30. Ne3 Kg7 31. g3 Rf8 32. Kg2 e5 33. Re2 h5 34. Nc4 Rdf6 35. Ne4 Rf5 36. Ncd6 Rf1 37. c3 Rg1+ 38. Kh3 Bb6 39. Nxb7 Kh6 40. Nbd6 h4 41. Kxh4 Bd8+ 42. Kh3 Kg7 43. Kg4 Rf4+ 44. Kh3 Rf8 45. Nf7 Rxf7 46. Bxf7 Kxf7 47. b3 Kg6 48. Kg4 a5 49. c4 Bc7 50. h4 Rh1 51. c5 Rc1 52. h5+ Kh6 53. Rf2 Bd8 54. Rf8 Rd1 55. c6 Rd4 56. Kf5 Kg7 57. Re8 Kf7 58. Rxd8 Rxd8 59. c7 Rf8 60. c8Q Rxc8 61. Nd6+ Ke7 62. Nxc8+ Kd7 63. h6 e4 64. Kxe4 Kxc8 65. h7 1-0

[Event "Bogota Triduo op"]
[Site "Bogota"]
[Date "2015.04.04"]
[Round "6"]
[White "Salej, Jorge"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2089"]
[BlackElo "1944"]
[PlyCount "113"]
[EventDate "2015.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. e4 e5 10. d5 Nb8 11. Ne1 a5 12. b3 Na6 13. Nd3 Bg4 14. f3 Bd7 15. Qc2 c6 16. dxc6 bxc6 17. Qc3 Rfb8 18. Rab1 Nc5 19. a3 Ne6 20. b4 Nd4 21. Rfe1 axb4 22. axb4 Ra2 23. Rb2 Rba8 24. Rxa2 Rxa2 25. Nc1 Rc2 26. Qd3 d5 27. c5 dxe4 28. fxe4 Rb2 29. Qc3 Rc2 30. Qd3 Ng4 31. Nf3 Nf2 32. Qe3 Bh3 33. Nxd4 exd4 34. Qxd4 Bxg2 35. Kxg2 Nxe4+ 36. Kg1 f5 37. Nd3 h6 38. Nf2 Qf6 39. Qxf6 Nxf6 40. Re6 Nd5 41. Rxc6 Nxb4 42. Rc8+ Kf7 43. Kf1 Ke6 44. h4 Rc3 45. Kg2 Nd5 46. Rc6+ Kf7 47. Nd1 Rd3 48. Nf2 Rc3 49. Nh3 Rc2+ 50. Nf2 Rc3 51. Rc8 Ne3+ 52. Kh3 Nf1 53. Rc7+ Kf6 54. Rc6+ Kf7 55. Rc7+ Kg8 56. Kg2 Nxg3 57. Nd1 1-0

[Event "Bogota Triduo op"]
[Site "Bogota"]
[Date "2015.04.03"]
[Round "5"]
[White "Nieto, Guillermo Luigui"]
[Black "Nieto, Manuel Valerio Wald"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1944"]
[BlackElo "2050"]
[PlyCount "46"]
[EventDate "2015.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 d5 7. Bf4 Bd6 8. Bxd6 Qxd6 9. Nc3 0-0 10. Be2 Bf5 11. 0-0 Nbd7 12. Re1 Ne4 13. Nxe4 Bxe4 14. Bd3 Bxd3 15. Qxd3 Rfe8 16. Re3 Qg6 17. Qxg6 hxg6 18. Rae1 Kf8 19. Ne5 Nxe5 20. Rxe5 c6 21. Kf1 Rxe5 22. Rxe5 Re8 23. Rxe8+ Kxe8 1/2-1/2

[Event "Bogota Triduo op"]
[Site "Bogota"]
[Date "2015.04.02"]
[Round "3"]
[White "Nieto, Guillermo Luigui"]
[Black "Mena, Yamil Octavio"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1944"]
[BlackElo "1962"]
[PlyCount "111"]
[EventDate "2015.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. 0-0 Nxf3+ 5. Qxf3 Nf6 6. c3 Be7 7. Qg3 0-0 8. Qxe5 Bd6 9. Qd4 Bxh2+ 10. Kxh2 Ng4+ 11. Kg3 Qg5 12. f4 Qg6 13. Rg1 d5 14. Bxd5 Ne3+ 15. Kf2 Nc2 16. Qd3 Nxa1 17. Na3 Qb6+ 18. Kf1 c6 19. Bc4 Qc7 20. Qf3 b5 21. Bd3 f5 22. e5 Rb8 23. b4 Be6 24. Bb2 a5 25. Bxa1 Bxa2 26. Bb2 Bd5 27. Qe3 Qe7 28. bxa5 Ra8 29. c4 Be6 30. cxb5 Rxa5 31. Bc4 cxb5 32. Qb6 bxc4 33. Qxa5 Qb7 34. Qc3 Rb8 35. Nxc4 Qe4 36. Nd6 Qxf4+ 37. Ke1 h6 38. Qd4 Qg3+ 39. Ke2 f4 40. Ne4 Bg4+ 41. Kf1 Qb3 42. Nf2 Be6 43. Nd3 Qd1+ 44. Ne1 Bg4 45. Qc4+ Kh8 46. Bc3 Rf8 47. Kf2 Qb1 48. Nf3 Qb6+ 49. Qd4 Qe6 50. Qd6 Qf5 51. Nh4 Qe4 52. Ng6+ Kg8 53. Qxf8+ Kh7 54. Re1 Qxg6 55. e6 Bf5 56. Qxg7+ 1-0

[Event "Bogota Triduo op"]
[Site "Bogota"]
[Date "2015.04.01"]
[Round "1"]
[White "Nieto, Guillermo Luigui"]
[Black "Luque A, Silvia Catalina"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1944"]
[BlackElo "1987"]
[PlyCount "51"]
[EventDate "2015.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 Nc6 6. d5 Nb8 7. Bc4 c6 8. a4 cxd5 9. exd5 Bf5 10. 0-0 0-0 11. Re1 Re8 12. Nd4 Bc8 13. Bg5 Nbd7 14. Qd2 Nb6 15. Bb3 a5 16. Re3 Nfd7 17. Rae1 Ne5 18. Qe2 f6 19. Bf4 g5 20. Bh2 Bd7 21. Bxe5 dxe5 22. Ne6 Qc8 23. Nc7 e6 24. Nxa8 Qxa8 25. dxe6 Bxe6 26. Qb5 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.03.15"]
[Round "7"]
[White "Toro Castaneda, Miguel Angel"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1514"]
[BlackElo "2028"]
[PlyCount "102"]
[EventDate "2015.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Bd3 Bg7 7. 0-0 Nf6 8. Qd2 0-0 9. Nc3 d6 10. b3 d5 11. Rb1 e5 12. Bb2 dxe4 13. Nxe4 Nxe4 14. Qe3 Nd6 15. Qc5 Qc7 16. Bxe5 Bxe5 17. Qxe5 Nb5 18. Qg5 Nc3 19. Ra1 Be6 20. Qc5 Nd5 21. Be4 Rac8 22. Rfe1 Qb6 23. Qd6 Rfd8 24. Qg3 Qc7 25. Qf3 f5 26. Bd3 Bf7 27. a3 Qf4 28. Qd1 Nc3 29. Qc1 Qxc1 30. Raxc1 Re8 31. Rxe8+ Rxe8 32. Kf1 Bd5 33. f3 Kf7 34. Kf2 Kf6 35. Ra1 h6 36. Rc1 g5 37. Ra1 f4 38. Rc1 Re3 39. Ra1 Bxb3 40. Rc1 Bd5 41. Ra1 Ke5 42. Rc1 Kd4 43. Ra1 c5 44. Rc1 c4 45. Bf1 Kc5 46. Ra1 Kb6 47. Rc1 Ka5 48. Ra1 Ka4 49. Kg1 Re7 50. Kf2 Rb7 51. Ke1 Rb1+ 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.03.14"]
[Round "5"]
[White "Avila Pavas, Santiago"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1826"]
[BlackElo "2028"]
[PlyCount "21"]
[EventDate "2015.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 b6 5. c3 Bb7 6. Bd3 Be7 7. Nbd2 d6 8. Qe2 cxd4 9. exd4 0-0 10. 0-0-0 Nbd7 11. h4 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.03.14"]
[Round "6"]
[White "Nieto, Guillermo Luigui"]
[Black "Quinonez Garcia, Santiago"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2028"]
[BlackElo "2036"]
[PlyCount "84"]
[EventDate "2015.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Nc6 7. Bb5 Bg4 8. Bxc6+ bxc6 9. Nbd2 f6 10. Qc2 Qd7 11. exf6 Nxf6 12. Ne5 Qd6 13. Qxc6+ Qxc6 14. Nxc6 Nd7 15. Nb3 Kf7 16. Bf4 Rhc8 17. Rc1 Nb6 18. f3 Bd7 19. Nba5 Bxc6 20. Nxc6 Nc4 21. Ne5+ Bxe5 22. dxe5 Nxb2 23. Ke2 Ke6 24. Bg3 Nc4 25. f4 Rab8 26. Rb1 Na3 27. Rxb8 Rxb8 28. Rd1 Nc4 29. Ra1 Rb2+ 30. Kf3 Nd2+ 31. Ke3 Ne4 32. Kf3 Nc3 33. Bf2 a5 34. Bd4 Rc2 35. Bxc3 Rxc3+ 36. Kg4 h6 37. a4 d4 38. Rb1 Kd5 39. Rb5+ Ke4 40. Rxa5 d3 41. Ra8 d2 42. Rd8 Rd3 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.03.13"]
[Round "4"]
[White "Nieto, Guillermo Luigui"]
[Black "Palomino Escobar, Daniel Fernando"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "2028"]
[BlackElo "1760"]
[PlyCount "85"]
[EventDate "2015.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 0-0 8. Nf3 c5 9. Qd2 Nc6 10. dxc5 Nxc5 11. 0-0-0 a6 12. Bd3 Nxd3+ 13. Qxd3 Nb4 14. Qe3 Bd7 15. a3 Nc6 16. f5 b5 17. Nd4 b4 18. Nxc6 Bxc6 19. axb4 Qxb4 20. Rd4 Qc5 21. f6 Rfb8 22. Qg5 g6 23. Rh4 Qf8 24. Rh6 Qb4 25. Rh3 Qf8 26. Rf1 Rb4 27. Rff3 Rab8 28. g4 d4 29. Rxh7 Rxb2 30. Rg7+ Qxg7 31. fxg7 Bxf3 32. Qh6 f5 33. exf6 dxc3 34. Qh8+ Kf7 35. g8Q+ Rxg8 36. Qh7+ Kxf6 37. Qxg8 Be4 38. Qd8+ Ke5 39. Qc7+ Kd4 40. Qd6+ Ke3 41. Qc5+ Kf4 42. Qf2+ Kxg4 43. Qg3+ 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.03.13"]
[Round "3"]
[White "Olarte Parra, Jhoan Sebastian"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1941"]
[BlackElo "2028"]
[PlyCount "52"]
[EventDate "2015.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. d4 Bg7 4. c3 Nh6 5. e3 0-0 6. Bd3 Bf5 7. 0-0 Nd7 8. h3 Bxd3 9. Qxd3 Nf5 10. Kh2 Nf6 11. Nbd2 Nd6 12. b3 Nfe4 13. c4 Nxd2 14. Nxd2 c5 15. cxd5 cxd4 16. e4 e6 17. Ba3 e5 18. Nc4 Nxc4 19. Bxf8 Ne3 20. Bxg7 Nxf1+ 21. Rxf1 Kxg7 22. fxe5 Qb6 23. Rf6 Qc5 24. Qf3 Rf8 25. Rd6 Kg8 26. Rd7 Qb5 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.03.12"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Acosta Cubides, Jorian Jared"]
[Result "1/2-1/2"]
[ECO "B66"]
[WhiteElo "2028"]
[BlackElo "1960"]
[PlyCount "88"]
[EventDate "2015.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. Be2 0-0 13. e5 Bxc3 14. Qxc3 Ne4 15. Qe3 Qe7 16. f3 Nc5 17. g4 Rb8 18. Qa3 Re8 19. Be3 Nd7 20. Qxe7 Rxe7 21. f4 c5 22. c3 Bb7 23. Rhg1 Rc8 24. Kb1 f6 25. exf6 Nxf6 26. g5 hxg5 27. Rxg5 Ne4 28. Re5 Rb8 29. Bd3 Rc8 30. Bxe4 dxe4 31. Bxc5 Rf7 32. Be3 Bd5 33. Rc1 Bc4 34. b3 Bd3+ 35. Kb2 Rc6 36. Rg1 Rf5 37. Rg5 Rxe5 38. Rxe5 Kf7 39. c4 Rc8 40. Rh5 Rd8 41. Rg5 Rh8 42. Bg1 Rh4 43. Rg3 Rxf4 44. c5 Rf3 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.03.12"]
[Round "1"]
[White "Obando Guzman, Soren Federico"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1779"]
[BlackElo "2028"]
[PlyCount "72"]
[EventDate "2015.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 c5 8. a3 Bxd2 9. Qxd2 Nc6 10. Rd1 Na5 11. Qc2 Rc8 12. dxc5 Be4 13. Qa4 Rxc5 14. Nd2 Bxg2 15. Kxg2 Qa8+ 16. f3 Qc6 17. Qxc6 Rxc6 18. b3 d5 19. cxd5 Nxd5 20. Kf2 Nc3 21. Re1 Rd8 22. b4 Nb7 23. Nb3 a5 24. Be3 e5 25. Rac1 a4 26. b5 Rcc8 27. Nd2 f5 28. Nb1 Nd5 29. Bg5 Rxc1 30. Rxc1 Rd7 31. Nc3 Nc5 32. Nxd5 Rxd5 33. Be3 Nd7 34. Rc4 Rxb5 35. Rxa4 Kf7 36. Ra7 Ke6 1/2-1/2

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2015.02.08"]
[Round "5.1"]
[White "Nieto, Guillermo Luigui"]
[Black "Mora Suarez, Juan Felipe"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2033"]
[BlackElo "1522"]
[PlyCount "73"]
[EventDate "2015.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Be3 Be6 8. Nd4 Be7 9. Bb5 Qd7 10. Qf3 d5 11. Nxe6 Qxe6 12. 0-0-0 Rd8 13. Rhe1 Qd6 14. Bf4 Qd7 15. Qe2 Qe6 16. Bxc6+ bxc6 17. Qxe6 fxe6 18. Rxe6 0-0 19. Bxc7 Rd7 20. Bg3 c5 21. Kb1 Bg5 22. Rde1 Kf7 23. f4 Bf6 24. a3 Rb8 25. f5 Rb5 26. Be5 Be7 27. Rc6 c4 28. a4 Ra5 29. b3 Rb7 30. Ka2 Bd8 31. Ka3 Be7+ 32. b4 Rb6 33. Rc7 Rba6 34. Rxe7+ Kxe7 35. bxa5 Kf7 36. Kb4 Kg8 37. Bd4 1-0

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2015.02.07"]
[Round "2.1"]
[White "Leon, Gustavo"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "1833"]
[BlackElo "2033"]
[PlyCount "54"]
[EventDate "2015.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. e3 h6 5. Bh4 Ne4 6. Nxe4 Bxe4 7. f3 Bh7 8. Bd3 Bxd3 9. Qxd3 Nc6 10. Ne2 g5 11. Bg3 Bg7 12. 0-0-0 Qd7 13. e4 0-0-0 14. e5 f6 15. f4 gxf4 16. Nxf4 fxe5 17. dxe5 Bxe5 18. Nxd5 e6 19. Bxe5 Nxe5 20. Qc3 exd5 21. Qxe5 c6 22. Rhf1 Qd6 23. Qxd6 Rxd6 24. Rde1 Rg8 25. g3 Rg7 26. Re8+ Kc7 27. Kd2 Rdg6 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.01.31"]
[Round "3"]
[White "Nieto, Guillermo Luigui"]
[Black "Olarte Parra, Jhoan Sebastian"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2033"]
[BlackElo "1954"]
[PlyCount "42"]
[EventDate "2015.01.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. Bf4 c6 9. Qd2 Bb4 10. 0-0 Nd5 11. a3 Ba5 12. b4 Nxf4 13. Qxf4 Bc7 14. Qe3 0-0 15. Ne4 Nd7 16. Rfd1 Qe7 17. c4 Rfe8 18. Nc3 Qf6 19. Ne4 Qe7 20. Nc3 Qf6 21. Ne4 Qe7 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.01.31"]
[Round "2"]
[White "Ribero, Guillermo Andres"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1887"]
[BlackElo "2033"]
[PlyCount "121"]
[EventDate "2015.01.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bc4 e6 6. 0-0 Nge7 7. d3 d5 8. Bb3 0-0 9. Qe1 a6 10. a4 Nd4 11. Nxd4 cxd4 12. Ne2 dxe4 13. dxe4 Bd7 14. Qb4 Bc6 15. e5 Nf5 16. Rd1 Qh4 17. Qe1 Qxe1+ 18. Rxe1 Rfd8 19. Rd1 h5 20. Kf2 Rac8 21. c3 dxc3 22. Nxc3 Bf8 23. Rxd8 Rxd8 24. Bd1 Bc5+ 25. Kf1 Nh4 26. g3 Bg2+ 27. Ke1 Nf5 28. a5 Bg1 29. Ne2 Bxh2 30. Kf2 Bh3 31. Bc2 h4 32. gxh4 Nxh4 33. Be3 Bg4 34. Rh1 Nf3 35. Be4 Nd2 36. Bxb7 Bxe2 37. Kxe2 Nc4 38. Rxh2 Rb8 39. Kd3 Nxe3 40. Bxa6 Nd5 41. Rc2 Nb4+ 42. Kc3 Nxa6 43. b3 Rc8+ 44. Kb2 Rxc2+ 45. Kxc2 Kf8 46. Kc3 Ke7 47. Kc4 Kd7 48. Kb5 Nc7+ 49. Kb6 Nd5+ 50. Kb7 Nxf4 51. a6 Nd5 52. a7 Nc7 53. b4 g5 54. b5 g4 55. b6 Na8 56. Kxa8 g3 57. b7 g2 58. b8Q g1Q 59. Qb7+ Ke8 60. Kb8 Qd4 61. a8Q 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.01.31"]
[Round "4"]
[White "Sanchez Caldas, Julian"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "2033"]
[PlyCount "52"]
[EventDate "2015.01.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. f3 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Nxd5 cxd5 12. 0-0-0 Be6 13. Be2 Rb8 14. Bd4 Bxd4 15. Qxd4 Qa5 16. Kb1 Rb4 17. Qd2 Rfb8 18. b3 d4 19. Qd3 Bf5 20. Qa6 Qc5 21. Bd3 Be6 22. Rhe1 R4b6 23. Qa4 a5 24. f4 Rb4 25. Re5 Qc3 26. f5 Rxa4 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2015.01.30"]
[Round "1"]
[White "Nieto, Guillermo Luigui"]
[Black "Fajardo Lopez, Daniel"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2033"]
[BlackElo "1718"]
[PlyCount "43"]
[EventDate "2015.01.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Kb1 e6 11. g4 dxe4 12. Nxc6 Qxd2 13. Ne7+ Kh8 14. Rxd2 a6 15. g5 Ng8 16. Nxg8 Kxg8 17. Nxe4 b5 18. Nc5 e5 19. Bd3 Re8 20. Be4 Rb8 21. Rhd1 Kf8 22. Bc6 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.08"]
[Round "8"]
[White "Nieto, Guillermo Luigui"]
[Black "Valle, Efrain"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1994"]
[BlackElo "2196"]
[PlyCount "58"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf3 Ng6 5. Nc3 d6 6. Bc4 c6 7. 0-0 Be7 8. Re1 Nf6 9. h3 0-0 10. a4 Nd7 11. Nd4 Nde5 12. Ba2 Bg5 13. Bxg5 Qxg5 14. Nf3 Qf6 15. Re3 Nf4 16. Kh2 Qg6 17. Qf1 Be6 18. Nxe5 dxe5 19. Bxe6 Nxe6 20. Rd1 Nd4 21. Rd2 Qg5 22. Ne2 Rad8 23. Red3 c5 24. Qd1 c4 25. f4 Qh4 26. g3 cxd3 27. Nxd4 Qf6 28. fxe5 Qxe5 29. Rxd3 Qxe4 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.08"]
[Round "9"]
[White "Polo, Victor Ramon"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2155"]
[BlackElo "1994"]
[PlyCount "63"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 e6 5. Nf3 Nc6 6. Nbd2 Be7 7. Bd3 0-0 8. Ne5 Nxe5 9. dxe5 Nd7 10. h4 f5 11. g4 Qc7 12. gxf5 Nxe5 13. Bc2 exf5 14. Bxe5 Qxe5 15. Nf3 Qd6 16. Ng5 h6 17. Nh3 Bxh4 18. Qh5 Qe7 19. 0-0-0 Bg5 20. Rxd5 Be6 21. Re5 Qd6 22. f4 Bf6 23. Rxf5 Bxf5 24. Qxf5 Rad8 25. Qh7+ Kf7 26. Bb3+ Ke8 27. Qg6+ Ke7 28. Qe4+ Be5 29. Rd1 Qc7 30. Bd5 b6 31. fxe5 b5 32. Nf4 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.06"]
[Round "5"]
[White "Lotero, Faiber"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2165"]
[BlackElo "1994"]
[PlyCount "64"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. d4 d5 4. e5 Nc6 5. a3 Qb6 6. Nf3 Bg4 7. Be3 e6 8. axb4 Bxb4+ 9. c3 Ba5 10. Bd3 Nge7 11. 0-0 Bf5 12. Be2 Qb2 13. Ra3 Bxb1 14. Rb3 Bc2 15. Rxb2 Bxd1 16. Rxd1 Rb8 17. Rdb1 Bxc3 18. Rxb7 0-0 19. Bg5 f6 20. Rxb8 Rxb8 21. Rxb8+ Nxb8 22. exf6 gxf6 23. Bxf6 Nbc6 24. Bb5 h6 25. Kf1 Kf7 26. Bxe7 Nxe7 27. Ke2 Nf5 28. Kd3 Bb2 29. g4 Nd6 30. Ne5+ Kf6 31. Ba6 Ne4 32. f3 Nc5+ 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.06"]
[Round "6"]
[White "Nieto, Guillermo Luigui"]
[Black "Jaramillo Ochoa, Mateo"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1994"]
[BlackElo "2150"]
[PlyCount "64"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[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. Be2 0-0 14. 0-0 Bg5 15. Qd3 Be6 16. Nde3 Bxe3 17. Nxe3 Qd7 18. Rad1 Rfd8 19. f4 exf4 20. Rxf4 Ne5 21. Qd4 Qa7 22. Qxa7 Rxa7 23. b3 Kf8 24. Nc2 Ke7 25. Rf2 Rb7 26. Bf3 Ra8 27. Rfd2 Rb6 28. Nd4 Bd7 29. Rc2 Rc8 30. Rdc1 Rc5 31. Be2 Ra6 32. Kf2 Rb6 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.05"]
[Round "4"]
[White "Nieto, Guillermo Luigui"]
[Black "Zapata Cuartas, Juan Carlos"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1994"]
[BlackElo "2163"]
[PlyCount "78"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Bd3 h6 11. Bh4 g5 12. fxg5 Ne5 13. Qe2 Nfg4 14. Bg3 hxg5 15. Nf3 Bd7 16. h3 Nxf3 17. Qxf3 Ne5 18. Bxe5 dxe5 19. Rdf1 Rf8 20. Qh5 0-0-0 21. Qh7 Be8 22. Be2 Rd4 23. Bh5 Rc4 24. Rf3 Ba3 25. Qg7 Rxc3 26. Rxc3 Qxc3 27. bxa3 Qxa3+ 28. Kb1 Qb4+ 29. Kc1 Qc5 30. Rd1 Ba4 31. Rd2 Kb8 32. Qxg5 Rc8 33. Bd1 Qa3+ 34. Kb1 Rc5 35. c4 Bxd1 36. Rxd1 Qb4+ 37. Ka1 Qc3+ 38. Kb1 Rxc4 39. Qd8+ Ka7 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.05"]
[Round "3"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2368"]
[BlackElo "1994"]
[PlyCount "105"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. Nd5 Nxd5 11. exd5 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Qc5 14. Qh4 a5 15. a4 e5 16. dxe6 Bxe6 17. Bxe6 fxe6 18. Qe4 e5 19. Rad1 Rf4 20. Qxb7 Raf8 21. Qd5+ Qxd5 22. Rxd5 Rxa4 23. Rxd6 Rb8 24. b3 Ra2 25. Rc6 a4 26. bxa4 Rxa4 27. Re1 Re4 28. Kf1 Rbb4 29. Rc5 Rbc4 30. Rxe4 Rxc5 31. Re2 Kg7 32. Ke1 Kf6 33. Kd2 Kf5 34. Kd3 Rd5+ 35. Kc4 Rd1 36. Kc5 Rh1 37. f3 h5 38. c4 h4 39. h3 Rc1 40. Kd5 Rd1+ 41. Kc6 Rc1 42. c5 g5 43. Kd6 Rd1+ 44. Kc7 Rc1 45. c6 Ke6 46. Rd2 Ke7 47. Kb7 Rb1+ 48. Kc8 Rc1 49. c7 Rb1 50. Rd5 Re1 51. Kb7 Rb1+ 52. Kc6 Rc1+ 53. Rc5 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.04"]
[Round "1"]
[White "Dias Huizar, Alvaro"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2133"]
[BlackElo "1994"]
[PlyCount "61"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. Nc3 Nc6 6. g3 0-0 7. Bg2 Na5 8. b3 b6 9. 0-0 Bb7 10. Nb1 d5 11. a3 Bxd2 12. Nbxd2 dxc4 13. Nxc4 Nxc4 14. bxc4 c5 15. e3 Rfd8 16. Qb3 Rac8 17. Rfd1 Ne4 18. a4 cxd4 19. exd4 Nd6 20. Rac1 Nf5 21. Qc3 Bxf3 22. Bxf3 Qd7 23. d5 Qxa4 24. dxe6 fxe6 25. Qe5 Rxd1+ 26. Rxd1 Qxc4 27. Rd7 Qc1+ 28. Kg2 Qh6 29. Rxa7 Qf6 30. Qe4 Nd6 31. Qb4 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.04"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Salcedo, Jackeline"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1994"]
[BlackElo "2033"]
[PlyCount "55"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qd2 Nc6 10. dxc5 Nxc5 11. Bd3 Bd7 12. 0-0 f6 13. exf6 Qxf6 14. Rae1 0-0 15. Ne5 Nxe5 16. Rxe5 Nxd3 17. Qxd3 b5 18. Ne4 Qh6 19. Nc5 Rad8 20. g3 Bc8 21. Rfe1 Rf6 22. Qe2 Rd6 23. f5 Rc6 24. Nxe6 Bxe6 25. Rxe6 Rfxe6 26. fxe6 Qg6 27. e7 Qe8 28. Qe5 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.03"]
[Round "9"]
[White "Nieto, Guillermo Luigui"]
[Black "Arango Arenas, Juan Camilo"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1977"]
[BlackElo "2203"]
[PlyCount "90"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nd7 8. Nbd2 Nh6 9. 0-0 a6 10. Be2 0-0 11. Qb3 Nb6 12. a4 Nf5 13. a5 Nc4 14. Bxc4 dxc4 15. Qxc4 e6 16. h3 Bxf3 17. Nxf3 Qd7 18. Bf4 Ne7 19. Rfd1 Nd5 20. Be3 Rfc8 21. Qb3 b6 22. axb6 Rcb8 23. Nd2 Rxb6 24. Qa2 Nb4 25. Qa4 Qd5 26. b3 Nc2 27. Rac1 Rb4 28. Qa2 Nxe3 29. fxe3 Bh6 30. Re1 a5 31. Rc5 Qd8 32. Rc4 Rbb8 33. Qc2 Rb5 34. Ne4 Rab8 35. Nc5 Bf8 36. Rb1 Qg5 37. Qc3 Bh6 38. Re1 Qg3 39. Ne4 Qh4 40. Nc5 Rxb3 41. Nxb3 Rxb3 42. Rc8+ Kg7 43. Qc5 Qxe1+ 44. Kh2 Bf4+ 45. exf4 Qg3+ 0-1

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.03"]
[Round "8"]
[White "Rojas, Luis Alejandro"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2088"]
[BlackElo "1977"]
[PlyCount "98"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. Rc1 Qa5 12. f3 Rfc8 13. b3 a6 14. Nd5 Qxd2+ 15. Kxd2 Nxd5 16. exd5 Bd7 17. Rc2 b5 18. Rhc1 b4 19. Bd3 a5 20. Ke2 Bc3 21. a4 Rab8 22. g4 Kg7 23. h4 h6 24. Kf2 Ra8 25. Kg3 Rab8 26. f4 f5 27. h5 gxh5 28. g5 hxg5 29. fxg5 Kg6 30. Rh1 e5 31. dxe6 Bxe6 32. Be2 Be5+ 33. Kf2 f4 34. Bxh5+ Kxg5 35. Bc1 Rh8 36. Bf3 Rxh1 37. Bxh1 Rh8 38. Bg2 Bd4+ 39. Kf1 Bf5 40. Rd2 Be3 41. Rd1 Bxc1 42. Rxc1 Kg4 43. Kg1 f3 44. c5 fxg2 45. Kxg2 Be4+ 46. Kf2 Kf4 47. Rc4 dxc5 48. Rxc5 Rh2+ 49. Ke1 Ke3 0-1

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.02"]
[Round "6"]
[White "Bello, Javier"]
[Black "Nieto, Guillermo Luigui"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1706"]
[BlackElo "1977"]
[PlyCount "116"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Nf6 6. e5 Nd5 7. d3 Bg7 8. Re1 0-0 9. c4 Nc7 10. Bf4 Ne6 11. Bg3 d5 12. Nbd2 Nd4 13. h3 Bf5 14. Nf1 dxc4 15. Nxd4 Qxd4 16. dxc4 Qxb2 17. Ne3 Be6 18. f4 Rfd8 19. Qf3 Rac8 20. f5 gxf5 21. Nxf5 Bxf5 22. Qxf5 Qd4+ 23. Bf2 Qxc4 24. Re4 Qd3 25. Rf1 e6 26. Qg4 h5 27. Qh4 Rb8 28. Re3 Qh7 29. Rg3 Rd3 30. Rg5 Rb4 31. Qxh5 Qxh5 32. Rxh5 Rd5 33. Rg5 Rxe5 34. Rxe5 Bxe5 35. Bxc5 Bd4+ 36. Bxd4 Rxd4 37. Rc1 Ra4 38. Rc2 c5 39. Kf2 Ra3 40. Ke2 c4 41. Rxc4 Rxa2+ 42. Kf3 Kg7 43. h4 a5 44. g3 a4 45. Kf4 a3 46. Ra4 Kg6 47. g4 Ra1 48. Kf3 a2 49. Kg2 e5 50. Ra6+ Kg7 51. h5 e4 52. Ra3 e3 53. g5 e2 54. h6+ Kh7 55. Ra7 e1Q 56. Rxf7+ Kg8 57. h7+ Kxf7 58. h8Q Qh1+ 0-1

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.02"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Buitrago, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1977"]
[BlackElo "2101"]
[PlyCount "65"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Qxb4 Re8 12. 0-0 Kg8 13. Nc3 c6 14. Rfe1 Qb6 15. Qa3 Bf5 16. Na4 Qc7 17. Rac1 Qf4 18. Qe3 Qxe3 19. Rxe3 Nf6 20. Ne5 Ng4 21. Nxg4 Bxg4 22. Rce1 Kf7 23. Nc5 Rxe3 24. Rxe3 Rb8 25. h3 Bf5 26. Rf3 Kg6 27. g4 Bb1 28. Nd7 Re8 29. Ne5+ Kh6 30. Nf7+ Kg6 31. Ne5+ Kh6 32. Nf7+ Kg6 33. Ne5+ 1/2-1/2

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.01"]
[Round "4"]
[White "Cedeno, Romulo"]
[Black "Nieto, Guillermo Luigui"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1777"]
[BlackElo "1977"]
[PlyCount "67"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Ne2 a6 6. Bxc6 dxc6 7. 0-0 Be6 8. f4 e4 9. d3 0-0 10. Nd2 Ng4 11. Nxe4 Nxe3 12. Qd2 Nxf1 13. Rxf1 Bg4 14. N2g3 f5 15. Qc3 Rf7 16. Ng5 Re7 17. Qc4+ Kh8 18. Nf7+ Rxf7 19. Qxf7 Bc5+ 20. Kh1 Bf8 21. Re1 Qd6 22. Be5 Qb4 23. c3 Qc5 24. Bd4 Qd6 25. Nxf5 Bxf5 26. Qxf5 c5 27. Be5 Qc6 28. Re3 Rd8 29. Rh3 h6 30. Rg3 b5 31. Rg6 Qd7 32. Rxh6+ Kg8 33. Qh7+ Kf7 34. Qg6+ 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.01"]
[Round "5"]
[White "Nieto, Guillermo Luigui"]
[Black "Vallejo, Sixto"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1977"]
[BlackElo "1868"]
[PlyCount "121"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 a6 7. Qd2 Nc6 8. 0-0-0 Nxd4 9. Qxd4 Be6 10. f3 0-0 11. g4 Nd7 12. Qe3 Bf6 13. h4 Be5 14. Be2 b5 15. a3 Re8 16. g5 Qe7 17. h5 Bxf4 18. Qxf4 Nb6 19. Qg3 Na4 20. f4 Rab8 21. h6 g6 22. Nxa4 bxa4 23. Qc3 Qf8 24. Rhf1 f5 25. gxf6 Bf7 26. Bd3 Rb6 27. Qxc7 Reb8 28. Bc4 d5 29. Bxd5 Bxd5 30. Rxd5 Qxf6 31. e5 Qf8 32. Rd7 Rxb2 33. Rg7+ Kh8 34. Rxh7+ Kg8 35. Rg7+ Kh8 36. Rh7+ Kg8 37. Qg7+ Qxg7 38. Rxg7+ Kh8 39. Kd2 Ra2 40. Rxg6 Rc8 41. Rc1 Rxa3 42. Rxa6 Rf8 43. Rf1 Rh3 44. Rxa4 Rd8+ 45. Ke2 Rc8 46. c4 Kh7 47. Rf3 Rh2+ 48. Ke3 Kxh6 49. Ra6+ Kh7 50. Kd4 Rc2 51. Rc3 Rd2+ 52. Ke4 Kg7 53. Kf5 Rf8+ 54. Rf6 Rxf6+ 55. exf6+ Kf7 56. c5 Rd5+ 57. Ke4 Rd8 58. c6 Kxf6 59. c7 Rc8 60. Kd5 Ke7 61. Kc6 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.10.31"]
[Round "3"]
[White "Nieto, Guillermo Luigui"]
[Black "Hernandez, Cristian Andres"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1977"]
[BlackElo "2114"]
[PlyCount "50"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Bg3 0-0 10. Bd3 e5 11. fxe5 dxe5 12. Nf3 Nc6 13. Bxe5 Nxe5 14. Nxe5 Bb4 15. Nf3 Re8 16. 0-0 Qb6+ 17. Kh1 Bxc3 18. bxc3 Nxe4 19. Bxe4 Rxe4 20. Qd5 Qc6 21. Qxc6 bxc6 22. Rad1 Be6 23. a3 c5 24. h3 Ra4 25. Ra1 Rc4 0-1

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.10.30"]
[Round "1"]
[White "Nieto, Guillermo Luigui"]
[Black "Martinez Zuluaica, Julian"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "1977"]
[BlackElo "2205"]
[PlyCount "85"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qd2 Nc6 10. dxc5 Qxc5 11. Bd3 b5 12. a3 Bb7 13. Qf2 Qxf2+ 14. Kxf2 Rc8 15. Ne2 f6 16. Ned4 fxe5 17. Nxc6 Bxc6 18. Nxe5 g5 19. Nxd7 Bxd7 20. g3 h6 21. Rae1 Ke7 22. Ke3 Rhg8 23. Rhg1 Rg7 24. Kd4 Kd6 25. f5 exf5 26. Re5 Be6 27. Rge1 Re7 28. b3 f4 29. gxf4 gxf4 30. Bf5 Rce8 31. Bxe6 Rxe6 32. Rxd5+ Kc7 33. Rxe6 Rxe6 34. Rf5 Re2 35. Rxf4 Rxh2 36. Rf6 Rd2+ 37. Ke5 Re2+ 38. Kd4 Rd2+ 39. Ke5 h5 40. Rxa6 Rxc2 41. Kd4 Rc6 42. Rxc6+ Kxc6 43. a4 1/2-1/2

[Event "Bogota University op 8th"]
[Site "Bogota"]
[Date "2014.10.09"]
[Round "2"]
[White "Nieto, Guillermo Luigui"]
[Black "Marrero Lopez, Yaniet"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1977"]
[BlackElo "2291"]
[PlyCount "92"]
[EventDate "2014.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. 0-0 Nf4 11. Re1 Nxd3 12. cxd3 0-0 13. Nxe5 Qc7 14. Nf3 Bg4 15. h3 Bh5 16. Nc3 f5 17. d4 Rae8 18. Rxe8 Rxe8 19. d3 Bxf3 20. gxf3 Qf7 21. f4 Qg6+ 22. Kh2 Qh6 23. Ne2 Re6 24. Be3 g5 25. Qd2 Nb7 26. Rg1 Rg6 27. Rg3 g4 28. Qc1 Nd8 29. d5 cxd5 30. Qc8 Qf8 31. Nd4 Ne6 32. Qxf8+ Kxf8 33. Nxe6+ Rxe6 34. hxg4 d4 35. Bc1 Re1 36. Rg1 Rxc1 37. Rxc1 Bxf4+ 38. Kh3 Bxc1 39. b4 fxg4+ 40. Kxg4 Ba3 41. b5 Ke7 42. Kg5 Bc1+ 43. f4 Ke6 44. a4 Bd2 45. Kg4 h6 46. f5+ Ke5 0-1

[Event "Bogota University op 8th"]
[Site "Bogota"]
[Date "2014.10.09"]
[Round "1"]
[White "Pozo Vera, Sandro"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2430"]
[BlackElo "1977"]
[PlyCount "64"]
[EventDate "2014.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Bc4 Nb6 9. Bb3 Nc6 10. d5 Na5 11. 0-0 0-0 12. Re1 Nxb3 13. axb3 Qd6 14. Bg5 Re8 15. Ne4 Qd8 16. d6 f6 17. Be3 Bf5 18. Ng3 exd6 19. Nxf5 gxf5 20. Qd3 Qd7 21. Bxb6 axb6 22. Rxa8 Rxa8 23. Nd4 Ra5 24. f4 d5 25. b4 Ra4 26. Nxf5 Bf8 27. Ne3 Bxb4 28. Nxd5 Bc5+ 29. Kh1 Rd4 30. Nxf6+ Kg7 31. Nxd7 Rxd3 32. Nf6 Rd5 1/2-1/2

[Event "Arlington DC op 2nd"]
[Site "Arlington"]
[Date "2014.06.30"]
[Round "9"]
[White "Badamkhand, Norovsambuu"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "1986"]
[BlackElo "1982"]
[PlyCount "66"]
[EventDate "2014.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 c5 6. dxc5 Na6 7. g3 Nxc5 8. Bg2 Nce4 9. 0-0 Nxc3 10. bxc3 Be7 11. e4 d6 12. c5 d5 13. exd5 Qxd5 14. c4 Qxc5 15. Be3 Qc7 16. Nd4 Bd7 17. Rab1 Rab8 18. Nb5 Bxb5 19. Rxb5 b6 20. a4 Rbc8 21. Rc1 Nd7 22. a5 Bc5 23. axb6 axb6 24. Bd2 Qd6 25. Bc3 Rc7 26. Rd1 Qe7 27. Qb2 f6 28. Be4 f5 29. Bg2 f4 30. Bd4 fxg3 31. hxg3 Bxd4 32. Qxd4 Rfc8 33. Bf1 Qf6 1/2-1/2

[Event "Arlington DC op 2nd"]
[Site "Arlington"]
[Date "2014.06.29"]
[Round "8"]
[White "Barot, Siddharth"]
[Black "Nieto, Guillermo Luigui"]
[Result "1/2-1/2"]
[ECO "B34"]
[BlackElo "1982"]
[PlyCount "80"]
[EventDate "2014.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. 0-0-0 dxe4 10. fxe4 Bg4 11. Nxc6 bxc6 12. Qxd8 Rfxd8 13. Rxd8+ Rxd8 14. Bc4 a5 15. Bb6 Ra8 16. Rf1 Bh6+ 17. Kb1 Bd2 18. e5 Bxc3 19. bxc3 Nd5 20. Bd4 Be6 21. Ka1 Rb8 22. Bc5 Kf8 23. Bb3 Ke8 24. Rf3 Nc7 25. Rf4 Rb5 26. Bf2 Bxb3 27. cxb3 Rxe5 28. Rc4 Kd7 29. g4 Rd5 30. Bg3 h5 31. gxh5 Rxh5 32. a4 Rd5 33. b4 axb4 34. cxb4 e5 35. Rg4 Ke6 36. Kb2 Na6 37. Rc4 Kd6 38. Rg4 Ke6 39. Rc4 Kd6 40. Rg4 Ke6 1/2-1/2

[Event "Arlington DC op 2nd"]
[Site "Arlington"]
[Date "2014.06.29"]
[Round "7"]
[White "Nieto, Guillermo Luigui"]
[Black "Yogesh, Gautam"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "1982"]
[BlackElo "2101"]
[PlyCount "32"]
[EventDate "2014.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Qd2 Bxc3 8. Qxc3 Nc6 9. Nf3 Rg8 10. Rg1 Rg4 11. Bd3 Nxd4 12. Nxd4 Qxd4 13. Qxc7 Qxb2 14. Rd1 Bd7 15. Bxh7 Bc6 16. f3 Qc3+ 0-1

