[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.1"]
[White "Martinez Romero, Martin"]
[Black "Juez, Jhon Alexander"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2360"]
[BlackElo "2055"]
[PlyCount "53"]
[EventDate "2012.02.15"]

1. Nf3 f5 2. c4 Nf6 3. b3 e6 4. Bb2 g6 5. e3 Bg7 6. Be2 O-O 7. O-O b6 8. d3 Bb7
9. Nbd2 d6 10. e4 fxe4 11. dxe4 e5 12. c5 Nxe4 13. Bc4+ Kh8 14. Nxe4 Bxe4 15.
Bd5 Bxd5 16. Qxd5 Na6 17. cxd6 Qxd6 18. Qc4 Nc5 19. Rad1 Rf4 20. Qc1 Qe7 21.
Rfe1 Rf5 22. Nxe5 Qf6 23. b4 Na4 24. Ba1 c5 25. Rd7 Rxf2 26. Rxg7 Kxg7 27. Ng4
1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.2"]
[White "Juez, Jose Yesid"]
[Black "Torres, Juan Camilo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2051"]
[BlackElo "2278"]
[PlyCount "94"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bd3 Nc6 7. O-O cxd4 8.
cxd4 Be7 9. Bf4 O-O 10. Nc3 Qd8 11. Rc1 b6 12. Bb1 Bb7 13. a3 Rc8 14. Qd3 Nb8
15. Bg5 Nbd7 16. Ne5 Nxe5 17. dxe5 Qxd3 18. Bxd3 Nd5 19. Bxe7 Nxe7 20. Ne4 Rxc1
21. Rxc1 Bxe4 22. Bxe4 Rd8 23. g3 Rd7 24. Kg2 g5 25. b4 Kg7 26. f4 Rd2+ 27. Kf3
gxf4 28. gxf4 Ng6 29. Rc2 Rxc2 30. Bxc2 Ne7 31. f5 exf5 32. Kf4 Nd5+ 33. Kf3
Kg6 34. h4 Nc7 35. a4 f6 36. exf6 Kxf6 37. Bb3 Ke5 38. Bg8 h6 39. Bb3 Ne6 40.
Bd1 Nf4 41. a5 Nd5 42. axb6 axb6 43. b5 Nc3 44. Be2 Nxe2 45. Kxe2 Kf4 46. Kf2
Kg4 47. Ke3 f4+ 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.3"]
[White "De Arco Cabarcas, Luis Carlos"]
[Black "Camargo, Santiago"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2243"]
[BlackElo "1986"]
[PlyCount "67"]
[EventDate "2012.02.15"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8.
Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Qa4+ Bd7 13. Qb4 a5 14. Qd6
Bc6 15. Be2 Nf5 16. Qxd5 Bxd5 17. O-O Ke7 18. Rfd1 Ke6 19. Bg4 Rhd8 20. Rd2 b5
21. a3 g6 22. g3 Ra7 23. Bh3 Rdd7 24. Rad1 Rab7 25. Bxa5 Kxe5 26. Bg2 Ke6 27.
Bb4 Rbc7 28. Re1 Rc4 29. b3 Rd4 30. g4 Rxd2 31. gxf5+ gxf5 32. Bxd2 Bxb3 33.
Bb4 Rd3 34. f3 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.4"]
[White "Martinez, Baquero Hugo Esteban"]
[Black "Ruiz, C Joshua D"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1938"]
[BlackElo "2202"]
[PlyCount "180"]
[EventDate "2012.02.15"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Be7 7. Qc2 O-O 8. Rc1
h6 9. Bh4 dxc4 10. Bxc4 b5 11. Bd3 Bb7 12. O-O a6 13. Rfd1 Rc8 14. Ne5 Nxe5 15.
dxe5 Nd7 16. Bxe7 Qxe7 17. f4 c5 18. Be4 Bxe4 19. Nxe4 Nb6 20. Nd6 Rc7 21. e4
f6 22. Qc3 Na4 23. Qa5 fxe5 24. b3 Nb2 25. Rd2 exf4 26. Qc3 f3 27. Qxb2 f2+ 28.
Kf1 Qh4 29. Rxf2 Rxf2+ 30. Qxf2 Qxh2 31. Rd1 Rd7 32. g3 Qh5 33. Rd2 Rd8 34. Kg1
Rf8 35. Qg2 Qe5 36. a4 bxa4 37. bxa4 Qa1+ 38. Kh2 Qxa4 39. Rf2 Qd4 40. Rxf8+
Kxf8 41. Qf1+ Ke7 42. Nc8+ Kd7 43. Nb6+ Kc6 44. Nc4 Qxe4 45. Na5+ Kb6 46. Nc4+
Kc6 47. Na5+ Kd5 48. Qxa6 Qc2+ 49. Kh3 Qf5+ 50. Kh2 Qf2+ 51. Kh3 g5 52. Qc4+
Ke5 53. Nc6+ Kd6 54. Nd8 Qf5+ 55. Kh2 Qf2+ 56. Kh3 Kd7 57. Qxe6+ Kxd8 58. Qd6+
Ke8 59. Qe6+ Kf8 60. Qxh6+ Kf7 61. Qxg5 Qf1+ 62. Kh2 Qe2+ 63. Kh3 Qe6+ 64. Kg2
Qe4+ 65. Kf2 Qc2+ 66. Kf3 Ke6 67. Qe3+ Kd5 68. g4 Qg6 69. Qd2+ Kc6 70. Qe2 Qf7+
71. Ke3 Kb6 72. Qb2+ Ka5 73. Ke4 c4 74. Ke3 Qe6+ 75. Kf4 Qd6+ 76. Kf5 Qd3+ 77.
Kf6 Qf3+ 78. Kg5 c3 79. Qa3+ Kb5 80. Qb3+ Kc5 81. Qa3+ Kd4 82. Qa7+ Kd3 83.
Qd7+ Ke2 84. Qb5+ Qd3 85. Qe8+ Qe3+ 86. Qxe3+ Kxe3 87. Kf6 c2 88. g5 c1=Q 89.
g6 Kf4 90. g7 Qc4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.5"]
[White "Barros Vargas, Raul Junior"]
[Black "Corredor Rengifo, Luis Fernando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2201"]
[BlackElo "1897"]
[PlyCount "49"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. h3 Bg7 7. g4 O-O 8. Bg2
Nbd7 9. O-O Nb6 10. b3 d5 11. e5 Ne4 12. Nxe4 dxe4 13. Bb2 Bxe5 14. Nc6 bxc6
15. Bxe5 Qxd1 16. Rfxd1 f5 17. gxf5 gxf5 18. f3 Nd7 19. Bc3 f4 20. fxe4 f3 21.
Bf1 Nb6 22. Kf2 Bb7 23. a4 Nc8 24. Bc4+ Rf7 25. Rd8# 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.6"]
[White "Mayorquin, Nicolas"]
[Black "Narvaez, Zamir"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "2177"]
[PlyCount "58"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 Qxc6 8.
Be3 b5 9. a3 Nf6 10. e5 Ne4 11. Qd4 Nxc3 12. bxc3 Bb7 13. a4 Be7 14. axb5 axb5
15. Rxa8+ Bxa8 16. Rg1 O-O 17. c4 b4 18. Be2 d6 19. exd6 Bxd6 20. c5 Bc7 21.
Kf2 Qa4 22. Ra1 Qxc2 23. Qd7 b3 24. Rc1 Qa2 25. Qxc7 b2 26. Rd1 b1=Q 27. Rd8
Qb5 28. Rxf8+ Kxf8 29. Qd6+ Ke8 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.7"]
[White "Moran, Daniel Stiven"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2118"]
[PlyCount "73"]
[EventDate "2012.02.15"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Qc2 Nbd7 8. Nbd2
Re8 9. Rd1 c6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 f5 13. Qe2 e5 14. dxe5 Qe7 15.
Bf4 Nxe5 16. Nxe5 Bxe5 17. Re1 Bf6 18. Qd2 Qf7 19. Rxe8+ Qxe8 20. Re1 Qf7 21.
Qd6 Bd7 22. Be5 Re8 23. f4 Bxe5 24. fxe5 Be6 25. b3 Qd7 26. c5 Qd8 27. b4 a6
28. a4 Qc8 29. h4 Kf7 30. Qd4 Rd8 31. Qf4 Kg7 32. Qg5 Rd4 33. Qf6+ Kg8 34. h5
Qe8 35. b5 Rxa4 36. bxc6 bxc6 37. Rd1 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "1.8"]
[White "Palechor Marin, Cesar Augusto"]
[Black "Dominguez, Oscar"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1805"]
[BlackElo "2065"]
[PlyCount "46"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nb3 Nbd7 8. Qf3
Be7 9. Be2 b5 10. O-O Bb7 11. Bd3 O-O 12. g4 b4 13. Ne2 d5 14. Ng3 dxe4 15.
Nxe4 Nc5 16. Nxf6+ Bxf6 17. Bxh7+ Kxh7 18. Qh3+ Kg8 19. Nxc5 Bc6 20. Be3 exf4
21. Rxf4 Re8 22. Bf2 Qd5 23. Qg2 (23. Kf1 Qh1+ (23... Rad8) 24. Bg1 Bb5+ 25.
Nd3 Bxd3+ 26. cxd3) 23... Qxg2# 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.1"]
[White "Narvaez, Zamir"]
[Black "Martinez Romero, Martin"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2177"]
[BlackElo "2360"]
[PlyCount "63"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4
h6 9. a5 Be6 10. Be2 Nbd7 11. O-O Be7 12. Re1 O-O 13. Nd5 Nxd5 14. exd5 Bg4 15.
Qc1 f5 16. c4 f4 17. Bb6 Nxb6 18. axb6 Qd7 19. h3 Bf5 20. c5 dxc5 21. Nxe5 Qd6
22. Nc4 Qg6 23. Qxf4 Bf6 24. Ra3 Rae8 25. Rg3 Qh7 26. Qc1 Bh4 27. Re3 Rd8 28.
d6 Qg6 29. Ne5 Qxd6 30. Qc4+ Kh7 31. Qxh4 Qxb6 32. Bd3 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.2"]
[White "Torres, Juan Camilo"]
[Black "Barros Vargas, Raul Junior"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2278"]
[BlackElo "2201"]
[PlyCount "91"]
[EventDate "2012.02.15"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. b3 e5
9. Bb2 Rb8 10. Rc1 Bg4 11. dxe5 Nxe5 12. Nd4 Qd7 13. f4 Nc6 14. Nxc6 bxc6 15.
Qd2 Bh3 16. e4 Rfe8 17. Rce1 Re7 18. e5 dxe5 19. Qxd7 Bxd7 20. fxe5 Ng4 21. Ne4
Nxe5 22. Nc5 Bh3 23. Nxa6 Rbe8 24. Bxe5 Bxe5 25. Rxe5 Rxe5 26. Bxh3 Ra5 27. Nb4
Re2 28. a4 c5 29. Nd3 Rc2 30. Rf3 Rc3 31. Ne5 Rc1+ 32. Bf1 f5 33. Rd3 Ra8 34.
Nd7 Kg7 35. Nxc5 Re8 36. a5 Ree1 37. Rf3 Ra1 38. a6 Kf6 39. Na4 Re6 40. Nc5
Ree1 41. b4 Reb1 42. b5 Ke5 43. Kg2 g5 44. Rxf5+ Kd4 45. Ne6+ Ke4 46. Rf2 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.3"]
[White "Dominguez, Oscar"]
[Black "De Arco Cabarcas, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2065"]
[BlackElo "2243"]
[PlyCount "33"]
[EventDate "2012.02.15"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8.
Bg5 Be7 9. Nxf6+ Bxf6 10. Bf4 Bxf3 11. Qxf3 c6 12. c3 O-O 13. Rfe1 Re8 14. Re2
Nf8 15. Rae1 Qd5 16. Qxd5 cxd5 17. Bd6 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.4"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Moran, Daniel Stiven"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2202"]
[BlackElo "2118"]
[PlyCount "70"]
[EventDate "2012.02.15"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d4 c6 6. Nge2 Bg4 7. f3 Bf5 8.
Bf4 Qb4 9. Bb3 e6 10. O-O Nbd7 11. Ng3 Bg6 12. a3 Qb6 13. Kh1 Be7 14. Nge4 O-O
15. Qd2 Rad8 16. Qf2 Nxe4 17. fxe4 Nf6 18. e5 Ne4 19. Nxe4 Bxe4 20. Rad1 Rd7
21. Bc1 a5 22. Bc4 Qd8 23. c3 c5 24. Bb5 Bc6 25. Bxc6 bxc6 26. Be3 cxd4 27.
Rxd4 Rxd4 28. Bxd4 Qd5 29. b4 h6 30. h3 f5 31. exf6 Bxf6 32. Bxf6 Rxf6 33. Qe2
Rxf1+ 34. Qxf1 axb4 35. cxb4 e5 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.5"]
[White "Juez, Jhon Alexander"]
[Black "Moreno, Lozano David"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2055"]
[BlackElo "1910"]
[PlyCount "71"]
[EventDate "2012.02.15"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8.
Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Qa4+ Bd7 13. Qb4 a5 14. Qb6
O-O 15. Be2 Bc6 16. O-O Qe6 17. Qc5 Ng6 18. h3 Nf4 19. Bg4 Qg6 20. Qd6 Qg5 21.
g3 Nd3 22. Rad1 Rfd8 23. Qc7 Rd5 24. e6 Rf8 25. exf7+ Kh8 26. Be6 Rdd8 27. Qxa5
Qg6 28. Bc4 e3 29. Bxd3 exf2+ 30. Kh2 Rxd3 31. Rxd3 Qxd3 32. Qe5 Qg6 33. Rxf2
h6 34. Qe7 Qb1 35. Qxf8+ Kh7 36. Qxg7# 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.6"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "Juez, Jose Yesid"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "2051"]
[PlyCount "61"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. d3 g6 6. O-O Bg7 7. h3 O-O 8.
Nc3 Qc7 9. Be3 b6 10. Qd2 Nd7 11. Bh6 Re8 12. Bxg7 Kxg7 13. Ne2 e5 14. Nh2 Nf6
15. f4 c4 16. fxe5 Qxe5 17. Rf3 cxd3 18. cxd3 Rd8 19. Raf1 Rd6 20. Qc3 Qg5 21.
e5 Nd5 22. Qd4 c5 23. h4 Qh5 24. Rxf7+ Kh6 25. Qf2 Qxe5 26. g4 g5 27. Nf3 Qe6
28. hxg5+ Kg6 29. Rf6+ Nxf6 30. Nf4+ Kf7 31. Nxe6 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.7"]
[White "Camargo, Santiago"]
[Black "Mayorquin, Nicolas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1986"]
[BlackElo "1897"]
[PlyCount "63"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2
b4 9. Nce2 e5 10. Nb3 Nc6 11. g4 h6 12. h4 Qc7 13. g5 hxg5 14. Bxg5 Be6 15. Ng3
Bxb3 16. cxb3 Nd4 17. Kf2 d5 18. Kg2 Qb6 19. exd5 Nxd5 20. Bc4 Ne7 21. Qd3 Qg6
22. Qxg6 Nxg6 23. h5 Ne7 24. Rae1 f6 25. Bd2 Nec6 26. Bd3 Be7 27. Be4 Rd8 28.
Rc1 Na7 29. Rhf1 Rf8 30. Rc7 Rd7 31. Rfc1 Rxc7 32. Rxc7 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.15"]
[Round "2.8"]
[White "Barajas, Ivan"]
[Black "Martinez, Baquero Hugo  Esteba"]
[Result "1/2-1/2"]
[ECO "A00"]
[BlackElo "1938"]
[PlyCount "23"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 Be7 8.
O-O-O Qc7 9. Be2 Nbd7 10. f4 b5 11. a3 Bb7 12. e5 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.1"]
[White "Narvaez, Zamir"]
[Black "Torres, Juan Camilo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2177"]
[BlackElo "2278"]
[PlyCount "75"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 dxc6 7. Nd2 Qc7 8.
b3 e5 9. Bb2 Nf6 10. Qf3 Be6 11. O-O Bd6 12. Bc4 Bg4 13. Qg3 O-O 14. h3 Bh5 15.
Bd3 b5 16. c4 Qa5 17. Qe3 b4 18. Qg3 Bg6 19. c5 Nh5 20. Qf3 Qxc5 21. Rac1 Qb6
22. Nc4 Qb8 23. Nxd6 Qxd6 24. Rfd1 Nf4 25. Bb5 Qe7 26. Bxc6 Rac8 27. Bd5 Bh5
28. g4 Bg6 29. Rxc8 Rxc8 30. Bc1 Rc3 31. Be3 h5 32. Rc1 Qc7 33. Rd1 hxg4 34.
hxg4 Qe7 35. Rc1 Nxd5 36. exd5 e4 37. Qf4 Rxc1+ 38. Bxc1 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.2"]
[White "De Arco Cabarcas, Luis Carlos"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2243"]
[BlackElo "2202"]
[PlyCount "50"]
[EventDate "2012.02.15"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. h3 d5 6. Be2 c5 7. c3 Nc6 8. O-O
Ne4 9. Nbd2 Re8 10. Nxe4 dxe4 11. Ng5 e5 12. dxe5 Nxe5 13. Qxd8 Rxd8 14. Nxe4
Bf5 15. Nxc5 Rd2 16. Rfe1 Rxb2 17. e4 Be6 18. Nxe6 fxe6 19. Rab1 Rxb1 20. Rxb1
b6 21. Rb5 Nd7 22. c4 Bd4 23. Bd6 e5 24. Bg4 Nc5 25. Bxc5 Bxc5 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.3"]
[White "Moran, Daniel Stiven"]
[Black "Dominguez, Oscar"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2118"]
[BlackElo "2065"]
[PlyCount "86"]
[EventDate "2012.02.15"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 e5 7. d5 a5 8. O-O
Na6 9. h3 Nc5 10. Bc2 Nfd7 11. Be3 f5 12. exf5 gxf5 13. f4 e4 14. Bd4 Rf7 15.
Kh2 Qh4 16. Qe1 Qxe1 17. Raxe1 Nf6 18. Kh1 Bd7 19. b3 Re8 20. Be3 Rfe7 21. Rb1
Nd3 22. Rg1 c6 23. dxc6 bxc6 24. Bd4 Nh5 25. Bxg7 Rxg7 26. Rbf1 Kf7 27. Kh2
Reg8 28. g4 fxg4 29. Nxe4 Nb4 30. Ng5+ Ke8 31. Bxh7 Rh8 32. a3 Na6 33. Bc2 Nxf4
34. Nxf4 Rxg5 35. Re1+ Kd8 36. Rg3 Nc7 37. Kg1 Rf8 38. h4 Rg7 39. Ng6 Rf6 40.
h5 Rh7 41. Nf8 Rxh5 42. Nxd7 Kxd7 43. Rxg4 Ne6 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.4"]
[White "Martinez Romero, Martin"]
[Black "Camargo, Santiago"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2360"]
[BlackElo "1986"]
[PlyCount "51"]
[EventDate "2012.02.15"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Be7 7. g4 dxc4 8. Bxc4
Nd5 9. e4 Nxc3 10. bxc3 c5 11. Be3 Qc7 12. Qe2 O-O 13. g5 Nb6 14. Bd3 cxd4 15.
Bxd4 Bc5 16. O-O Bd7 17. Qe3 Bd6 18. e5 Be7 19. Nd2 Nd5 20. Qg3 b5 21. Ne4 g6
22. Rae1 Kh8 23. Nf6 Bxf6 24. gxf6 h6 25. Re4 Kh7 26. Rh4 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.5"]
[White "Hernandez, Sanchez Jairo Andres"]
[Black "Corredor Rengifo, Luis Fernando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2285"]
[BlackElo "1897"]
[PlyCount "80"]
[EventDate "2012.02.15"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. d3 e6 7. Nge2 Nge7 8. O-O
O-O 9. a3 b6 10. Rb1 Bb7 11. Be3 Rc8 12. b4 Ba8 13. Qd2 Re8 14. g4 Ne5 15. h3
d5 16. bxc5 bxc5 17. cxd5 exd5 18. Bg5 d4 19. Nd5 Bxd5 20. exd5 f6 21. Bh4 Kh8
22. Rfc1 Nxd5 23. Nxd4 cxd4 24. Rxc8 Qxc8 25. Bxd5 Qc3 26. Rd1 Qxa3 27. f4 Nd7
28. Re1 Rxe1+ 29. Qxe1 Qf8 30. Qe6 Nb6 31. Bb3 f5 32. gxf5 gxf5 33. Be1 Qc8 34.
Qf7 Qf8 35. Qxa7 Qd8 36. Qf7 Nc8 37. Bh4 Qf8 38. Qe6 h6 39. Be1 Na7 40. Ba5 Kh7
1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.6"]
[White "Barros Vargas, Raul Junior"]
[Black "Palechor Marin, Cesar Augusto"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2201"]
[BlackElo "1805"]
[PlyCount "69"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. g3 e5 7. Nde2 Be7 8. Bg2
Nbd7 9. h3 Qc7 10. g4 Nc5 11. g5 Nfd7 12. Nd5 Qd8 13. Nxe7 Qxe7 14. Be3 O-O 15.
Qd2 Nb6 16. b3 Be6 17. O-O Qd7 18. Kh2 f5 19. gxf6 Rxf6 20. Rad1 Rg6 21. Ng3
Rd8 22. Bxc5 dxc5 23. Qc3 Qxd1 24. Rxd1 Rxd1 25. Qxc5 Nd7 26. Qc8+ Nf8 27. Qxb7
Rd2 28. Nf5 Bxf5 29. exf5 Rf6 30. Be4 Rxf2+ 31. Kg3 Rd2 32. Bd3 Rd1 33. Qe7 Re1
34. Bc4+ Kh8 35. Bf7 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.8"]
[White "Moreno, Lozano David"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1910"]
[BlackElo "1821"]
[PlyCount "49"]
[EventDate "2012.02.15"]

1. e4 c5 2. b3 d6 3. Bb2 Nf6 4. Nc3 e6 5. f4 a6 6. Be2 Nc6 7. Nf3 b5 8. d3 Nd4
9. Nxd4 cxd4 10. Nb1 Qa5+ 11. Qd2 Qxd2+ 12. Nxd2 e5 13. Nf3 Nd7 14. O-O Be7 15.
Rf2 f6 16. Raf1 Bb7 17. Nh4 Nc5 18. Nf5 g6 19. Nxe7 Kxe7 20. fxe5 fxe5 21. Rf7+
Ke8 22. b4 Nd7 23. Bg4 Bc8 24. Bc1 Rf8 25. Bxd7+ 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.9"]
[White "Martinez, Baquero Hugo  Esteba"]
[Black "Juez, Jose Yesid"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1938"]
[BlackElo "2051"]
[PlyCount "55"]
[EventDate "2012.02.15"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7
Qxe7 9. Qb3 Rd8 10. Bd3 Nxc3 11. Qxc3 c5 12. Rc1 cxd4 13. exd4 Nc6 14. O-O dxc4
15. Qxc4 Qf6 16. Rfd1 Bd7 17. d5 exd5 18. Qxd5 Be6 19. Qb5 Bd5 20. Be2 a6 21.
Qb6 Qe7 22. Re1 Qd7 23. h3 Rab8 24. a3 Qf5 25. Bd3 Qg5 26. Qe3 Qxe3 27. Rxe3
Rd6 28. Rce1 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "3.7"]
[White "Sabogal Varela, Jaison Stiven"]
[Black "Juez, Jhon Alexander"]
[Result "1-0"]
[ECO "A90"]
[BlackElo "2055"]
[PlyCount "112"]
[EventDate "2012.02.15"]

1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c6 5. O-O d5 6. d4 Bd6 7. b3 O-O 8. Ba3 Ne4
9. Bxd6 Qxd6 10. Qc1 Nd7 11. Qa3 Qc7 12. Qe7 Qd6 13. Qxd6 Nxd6 14. Nbd2 Nf6 15.
Ne5 Nd7 16. Ndf3 Ne4 17. Nxd7 Bxd7 18. Ne5 Rad8 19. Bxe4 fxe4 20. f3 exf3 21.
Rxf3 Rxf3 22. exf3 Be8 23. c5 Bg6 24. b4 a6 25. Re1 Bc2 26. Kf2 Kf8 27. Re3 Ke7
28. Rc3 Bb1 29. a4 Rf8 30. Ke3 Ra8 31. b5 axb5 32. axb5 cxb5 33. Rb3 Bc2 34.
Rxb5 Ra7 35. c6 Ra3+ 36. Kd2 bxc6 37. Rb7+ Kf8 38. Kxc2 Ra2+ 39. Rb2 Ra4 40.
Kc3 h5 41. h4 Ra1 42. Rb8+ Ke7 43. Rb7+ Kf8 44. Rf7+ Kg8 45. Re7 Rg1 46. g4
Rc1+ 47. Kd2 Rh1 48. Rxe6 Rxh4 49. Ke3 hxg4 50. fxg4 Rh3+ 51. Kf4 Rh1 52. Nxc6
Kf7 53. Re7+ Kf6 54. g5+ Kg6 55. Ne5+ Kh7 56. g6+ Kh6 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.1"]
[White "Torres, Juan Camilo"]
[Black "Martinez Romero, Martin"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2278"]
[BlackElo "2360"]
[PlyCount "95"]
[EventDate "2012.02.15"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. h3 Bg7 8. Bf4
O-O 9. e3 a6 10. a4 Qb6 11. Ra2 Nh5 12. Bh2 f5 13. Be2 Nf6 14. Nd2 Qc7 15. Nc4
Ne8 16. Qb3 Nd7 17. a5 Kh8 18. O-O Rb8 19. Na4 g5 20. Bh5 Ndf6 21. Bxe8 Nxe8
22. Qb6 Qxb6 23. Naxb6 Rf6 24. b4 cxb4 25. Rb2 f4 26. Rxb4 Bf5 27. e4 Bxe4 28.
Nd7 Rd8 29. Nxf6 Bxf6 30. Nb6 Bd3 31. Rc1 Ng7 32. g3 Nf5 33. Rc8 Rxc8 34. Nxc8
Bc3 35. Rxb7 Be4 36. Rb8 Kg7 37. gxf4 Nd4 38. Nxd6 Nf3+ 39. Kg2 Bxd5 40. Nf5+
Kf7 41. Ne3 Be4 42. Bg3 Bxa5 43. f5 Nh4+ 44. Kf1 Nxf5 45. Nxf5 Bxf5 46. Ra8
Bxh3+ 47. Kg1 Bc3 48. Rxa6 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.2"]
[White "Hernandez, Sanchez Jairo Andres"]
[Black "Narvaez, Zamir"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2285"]
[BlackElo "2177"]
[PlyCount "41"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. Re1 O-O 8. c3
e5 9. a3 d6 10. b4 a6 11. Bb2 Be6 12. Nbd2 Qd7 13. Rb1 Rac8 14. d4 exd4 15.
cxd4 cxd4 16. Nb3 Ne5 17. Nbxd4 Bc4 18. Nxe5 dxe5 19. Nf5 Qe6 20. -- Rfd8 21.
Qf3 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.3"]
[White "Moran, Daniel Stiven"]
[Black "De, Arco Luis Carlos"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2118"]
[BlackElo "2243"]
[PlyCount "80"]
[EventDate "2012.02.15"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8.
O-O O-O 9. a3 Be6 10. Qc2 f6 11. Ne4 Bd5 12. Be3 f5 13. Ned2 Bf6 14. Bc5 Rf7
15. e4 Be6 16. Rad1 f4 17. gxf4 exf4 18. d4 Bg4 19. e5 Be7 20. Bxb6 axb6 21. d5
Nb8 22. Ne4 Bf5 23. Nd4 Bg6 24. Ne6 Qd7 25. Nxc7 Qf5 26. Nf6+ Rxf6 27. Qxf5
Rxf5 28. Nxa8 f3 29. Bh3 Rxe5 30. Be6+ Kf8 31. Rd4 Bd6 32. h3 h5 33. Rc1 Rg5+
34. Kf1 Be5 35. Rc8+ Ke7 36. Rb4 Na6 37. Rb3 Nc5 38. Rxf3 Bxb2 39. Rg3 Bd3+ 40.
Kg2 Re5 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.4"]
[White "Ruiz, C Joshua D"]
[Black "Sabogal Varela, Jaison Stiven"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2202"]
[PlyCount "53"]
[EventDate "2012.02.15"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nge2 Nf6 5. f3 a6 6. g4 b5 7. a3 O-O 8. Be3
Nbd7 9. g5 Ne8 10. h4 Bb7 11. h5 c5 12. Bh3 b4 13. axb4 cxb4 14. Na4 e5 15.
Bxd7 Qxd7 16. Nb6 Qb5 17. Nxa8 Bxa8 18. d5 f5 19. h6 Bh8 20. Qd3 Qxd3 21. cxd3
fxe4 22. fxe4 Rf3 23. Kd2 Bb7 24. Bb6 Nf6 25. gxf6 Bxf6 26. Be3 Bc8 27. Rhf1
1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.5"]
[White "Dominguez, Oscar"]
[Black "Barros, Raul Junior"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2065"]
[BlackElo "2201"]
[PlyCount "62"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O d6 8. Be3
b5 9. a3 Bb7 10. Bd3 Nbd7 11. f4 Nc5 12. Qf3 d5 13. e5 Nfe4 14. f5 Qxe5 15.
fxe6 f6 16. Nce2 Nxe6 17. Qg4 Nxd4 18. Bxd4 Bc5 19. Bxc5 Nxc5 20. Qxg7 O-O-O
21. Rxf6 Nxd3 22. cxd3 Qxe2 23. Rf7 Qe3+ 24. Kh1 Qb6 25. Rc1+ Kb8 26. Rcc7 Bc8
27. Ra7 Rhe8 28. Qg3+ Qd6 29. Qf2 Bd7 30. h3 d4 31. Rxh7 Kxa7 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.6"]
[White "Camargo, Santiago"]
[Black "Moreno, Lozano David"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1986"]
[BlackElo "1910"]
[PlyCount "89"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8.
Qd1 Qg6 9. Nc3 Nge7 10. h4 h5 11. Bg5 d5 12. Bxe7 d4 13. Bc5 dxc3 14. bxc3
Qxe4+ 15. Qe2 Qd5 16. Qe3 Bf5 17. Bd3 Bxd3 18. cxd3 Qxg2 19. Kd2 Qd5 20. c4 Qe6
21. Qg5 Qg4 22. Rhg1 Qxg5+ 23. Rxg5 g6 24. Bd6 O-O-O 25. Bxe5 Rhe8 26. Bc3 Re4
27. Rc5 Rd7 28. Rb1 Rxh4 29. Be5 Rc7 30. Bxc7 Kxc7 31. Re1 Rg4 32. Kc3 Rg2 33.
f4 Rf2 34. f5 g5 35. f6 Rg2 36. Ree5 g4 37. Rxh5 Rg1 38. Rh7 Kb6 39. Rg5 Nd8
40. Rhg7 Rf1 41. Rxg4 Rxf6 42. Rh7 Rf1 43. d4 Rf3+ 44. Kb2 Rf2+ 45. Kb3 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.7"]
[White "Juez, Jhon Alexander"]
[Black "Mayorquin, Nicolas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2055"]
[BlackElo "1897"]
[PlyCount "74"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nc3 e6 3. f4 g6 4. Nf3 Ne7 5. d4 Bg7 6. e5 cxd4 7. Nxd4 a6 8. Be2
O-O 9. O-O d6 10. Nf3 Qb6+ 11. Kh1 dxe5 12. Nxe5 Nbc6 13. Nc4 Qc7 14. Be3 b5
15. Nb6 Rb8 16. Nxc8 Rbxc8 17. Qe1 Nf5 18. Bd2 Rfd8 19. Bd3 Ncd4 20. Rc1 Nd6
21. Ne4 Nxe4 22. Bxe4 f5 23. Ba5 Qd6 24. Bxd8 fxe4 25. Ba5 Qd5 26. Bc3 Nf5 27.
Bxg7 Kxg7 28. Rd1 Qb7 29. Qe2 e3 30. Rd3 Qe4 31. Rd7+ Kf6 32. c3 h5 33. a3 Rc5
34. Kg1 Rd5 35. Rxd5 exd5 36. Rf3 d4 37. cxd4 Nxd4 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.8"]
[White "Palechor, Cesar Augusto"]
[Black "Martinez, Baquero Hugo Esteban"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1805"]
[BlackElo "1938"]
[PlyCount "54"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 Nc5 11. g5 Nfd7 12. f5 b5 13. Bg2 b4 14. Nce2 Bb7 15.
Ng3 O-O-O 16. Kb1 Ne5 17. Qe2 Na4 18. Bd2 Nc4 19. Bxb4 e5 20. f6 gxf6 21. Ndf5
Naxb2 22. Nxe7+ Qxe7 23. Nf5 Qc7 24. Rd3 Nxd3 25. cxd3 Qb6 26. a3 Nxa3+ 27. Ka2
Qxb4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.16"]
[Round "4.9"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "1821"]
[PlyCount "73"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 Be7 8. Qd2
Nc6 9. O-O-O O-O 10. g4 Nd7 11. h4 Nde5 12. Be2 Qc7 13. g5 Bd7 14. f4 Nxd4 15.
Bxd4 Nc6 16. Be3 Bc8 17. h5 Rb8 18. Rdg1 b5 19. Kb1 Na5 20. f5 b4 21. Nd5 exd5
22. f6 Bd8 23. fxg7 Re8 24. g6 Bf6 25. gxh7+ Kxh7 26. exd5 Bxg7 27. h6 Be5 28.
Rg7+ Kh8 29. Qd3 Bxg7 30. hxg7+ Kxg7 31. Qh7+ Kf6 32. Qh4+ Ke5 33. Qd4+ Kf5 34.
Bd3+ Re4 35. Qxe4+ Kf6 36. Qh4+ Ke5 37. Qd4# 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.1"]
[White "Barros, Raul Junior"]
[Black "Hernandez, Sanchez Jairo Andres"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2201"]
[BlackElo "2285"]
[PlyCount "57"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nbd2 Qxc5 6. Bd3 d6 7. O-O Nf6 8.
h3 O-O 9. c3 Qc7 10. Re1 Nbd7 11. Nb3 a6 12. Bf4 Ne5 13. Nxe5 dxe5 14. Be3 Nh5
15. Nc5 Nf4 16. Bf1 b6 17. Na4 Rb8 18. Qb3 Be6 19. Qb4 b5 20. Nc5 Qc6 21. a4
Rfc8 22. axb5 axb5 23. Ra6 Qc7 24. Ra5 Bc4 25. Na6 Qb7 26. Nxb8 Qxe4 27. Bd2
Qd5 28. Bxf4 Bxf1 29. Rxf1 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.2"]
[White "De, Arco Luis Carlos"]
[Black "Torres, Juan Camilo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2243"]
[BlackElo "2278"]
[PlyCount "60"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nc3 a6 3. f4 Nc6 4. Nf3 b5 5. g3 Bb7 6. Bg2 e6 7. d3 Nf6 8. Qe2 Nd4
9. Nxd4 cxd4 10. Nd1 Rc8 11. O-O b4 12. g4 Qc7 13. g5 Ng8 14. Rf2 h6 15. g6 f6
16. b3 Bc5 17. f5 e5 18. Bd2 Ne7 19. Rf1 a5 20. Nf2 Qc6 21. Nh1 Qd6 22. Ng3 Nc6
23. Nh5 Qe7 24. Bc1 Kd8 25. Bb2 Kc7 26. Ng3 Kb6 27. Rfe1 Na7 28. Kh1 Nb5 29.
Nf1 Ra8 30. Nd2 a4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.3"]
[White "Narvaez, Zamir"]
[Black "Ruiz, C Joshua D"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2177"]
[BlackElo "2202"]
[PlyCount "90"]
[EventDate "2012.02.15"]

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. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15.
gxf6 Bf8 16. Rg1 h5 17. Re1 Nd7 18. e5 Bb7 19. exd6 Bh6+ 20. Kb1 Qb6 21. Rxe6+
Kd8 22. Qf2 fxe6 23. f7 Qxd6 24. Qh4+ Kc8 25. Rg8+ Bf8 26. Rxh8 b4 27. Bh3 bxc3
28. Bxe6 Kc7 29. Bxd7 Qxd7 30. Qg3+ Kb6 31. Qxc3 Qxf7 32. b4 Rc8 33. Qe3 Qf1+
34. Kb2 Qf6 35. Rxh5 Ka7 36. c3 Qb6 37. a3 Ka8 38. Qe6 Qc7 39. Qe3 Qc4 40. Qd2
Bd5 41. Qc2 Bg7 42. Qb3 Qxb3+ 43. Nxb3 Rxc3 44. Rxd5 Rc5+ 45. Rd4 Rc4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.4"]
[White "Martinez Romero, Martin"]
[Black "Moran, Daniel Stiven"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2360"]
[BlackElo "2118"]
[PlyCount "39"]
[EventDate "2012.02.15"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Nbd7 7. f4 e6 8. g4
Qb4 9. a3 Qa5 10. Qf3 Nxe5 11. fxe5 Nd7 12. Bd3 Qb6 13. Rf1 f6 14. exf6 gxf6
15. Be3 Qxb2 16. Kd2 Qb6 17. Qe4 c5 18. Rab1 Qc6 19. d5 Qd6 20. Nb5 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.5"]
[White "Moreno, Lozano David"]
[Black "Dominguez, Oscar"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1910"]
[BlackElo "2065"]
[PlyCount "60"]
[EventDate "2012.02.15"]

1. e4 c5 2. b3 Nf6 3. Qe2 d6 4. Nf3 Nc6 5. Bb2 e5 6. c3 Be7 7. g3 O-O 8. Bg2
Re8 9. d4 exd4 10. cxd4 Bf8 11. Nbd2 Nb4 12. O-O b6 13. a3 Ba6 14. Qd1 Bxf1 15.
Bxf1 Nc6 16. Bb5 Nxd4 17. Nxd4 cxd4 18. Bxe8 Qxe8 19. Qf3 Qe5 20. Qd3 d5 21.
Bxd4 dxe4 22. Qc3 Qe6 23. Re1 Nd5 24. Qb2 f5 25. f3 e3 26. Nc4 f4 27. gxf4 Nxf4
28. Rxe3 Qg6+ 29. Kh1 Rd8 30. Re4 Qg5 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.6"]
[White "Martinez, Baquero Hugo Esteban"]
[Black "Corredor Rengifo, Luis Fernando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1938"]
[BlackElo "1897"]
[PlyCount "19"]
[EventDate "2012.02.15"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c6 7. Nge2 Nbd7 8. Qd2
e5 9. O-O-O Qc7 10. g4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.8"]
[White "Juez, Jose Yesid"]
[Black "Juez, Jhon Alexander"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2051"]
[BlackElo "2055"]
[PlyCount "35"]
[EventDate "2012.02.15"]

1. e4 e5 2. f4 exf4 3. Nf3 Ne7 4. d4 d5 5. Nc3 dxe4 6. Nxe4 Bf5 7. Bd3 Ng6 8.
Qe2 Qe7 9. Bd2 Nd7 10. O-O-O O-O-O 11. Rhe1 Kb8 12. Qf1 Bxe4 13. Bxe4 Qe6 14.
Kb1 Qb6 15. Ng5 Ba3 16. Bc3 Rdf8 17. Qc4 Qf6 18. Qd5 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.9"]
[White "Mayorquin, Nicolas"]
[Black "Palechor, Cesar Augusto"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "1805"]
[PlyCount "95"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Bd3 Be7 8. Nf3
b5 9. a3 O-O 10. O-O Qc7 11. Kh1 Bb7 12. Qe1 Nbd7 13. Be3 Nc5 14. Bd4 Rac8 15.
Rd1 Rfd8 16. Bxc5 dxc5 17. e5 Nd5 18. Nxd5 Rxd5 19. c4 Rxd3 20. Rxd3 bxc4 21.
Rc3 Bd5 22. Qg3 Rb8 23. Rb1 Rb3 24. Nd2 Rxc3 25. Qxc3 Qc6 26. Rg1 Qb5 27. Rc1
Qb7 28. Nxc4 Bxc4 29. Qxc4 Qxb2 30. Qc3 Qxc3 31. Rxc3 a5 32. Rb3 f6 33. Rb5 c4
34. Rxa5 c3 35. Ra8+ Kf7 36. Rc8 Bxa3 37. Rxc3 Bb2 38. Rb3 Bc1 39. exf6 gxf6
40. g3 Kg6 41. Kg2 e5 42. Kf3 exf4 43. gxf4 h6 44. Ke4 Bd2 45. Rg3+ Kf7 46. Kf5
Bc1 47. Rh3 Kg7 48. Rc3 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.1"]
[White "Torres, Juan Camilo"]
[Black "Ruiz, C Joshua D"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2278"]
[BlackElo "2202"]
[PlyCount "91"]
[EventDate "2012.02.15"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bf4 c6 6. e3 O-O 7. h3 e6 8. Be2
Nbd7 9. O-O a6 10. c5 Re8 11. Bd6 Bf8 12. Bh2 Bg7 13. b4 h6 14. Ne5 Nxe5 15.
Bxe5 Nd7 16. Bxg7 Kxg7 17. e4 f5 18. e5 f4 19. Bd3 h5 20. Qf3 Qg5 21. g3 fxg3
22. Qxg3 Qh6 23. h4 Rg8 24. Kh1 Nf8 25. Rg1 Bd7 26. Ne2 a5 27. Qf3 Kh8 28. Rg3
axb4 29. Rag1 Be8 30. Nf4 Rxa2 31. Nxh5 Nh7 32. Nf6 Rf8 33. Bxg6 Bxg6 34. Rxg6
Qxh4+ 35. Kg2 Ra3 36. Qg4 Qxg4+ 37. Rxg4 Nxf6 38. exf6 Rf7 39. Rh1+ Rh7 40. Re1
Ra8 41. Rxe6 Rf8 42. Rg3 Rh4 43. Kf1 Rxd4 44. f7 Rxf7 45. Rh6+ Rh7 46. Rhg6
1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.2"]
[White "Martinez Romero, Martin"]
[Black "Barros, Raul Junior"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2360"]
[BlackElo "2201"]
[PlyCount "89"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. Be3 d6 8. O-O
b5 9. a3 Bb7 10. Bd3 Nbd7 11. f4 Nc5 12. Qf3 Be7 13. Rae1 O-O 14. Kh1 Rfe8 15.
Bf2 d5 16. e5 Nfe4 17. Bxe4 Nxe4 18. Nxe4 dxe4 19. Qg3 Bf8 20. f5 exf5 21. Nxf5
Re6 22. Bd4 Rg6 23. Qf4 Bd5 24. Ne3 Bc6 25. c3 Qd7 26. Nf5 Bd5 27. Rf2 Rc8 28.
Ne3 Bc6 29. Ref1 Rc7 30. Nf5 Bd5 31. Ne3 Bc6 32. g4 Qe6 33. Qf5 Rh6 34. Kg1 Qg6
35. Rf4 Rh3 36. Bb6 Rb7 37. Qc8 Rxb6 38. Rxf7 Qxf7 39. Rxf7 Kxf7 40. e6+ Kg6
41. Qxf8 Rf3 42. Qc5 Rb8 43. Qxc6 Rxe3 44. e7+ Kf7 45. Qd5+ 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.3"]
[White "Dominguez, Oscar"]
[Black "Hernandez, Sanchez Jairo Andres"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2065"]
[BlackElo "2285"]
[PlyCount "75"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Nc2 Nf6 7. Nc3 O-O 8.
Be2 d6 9. O-O Bd7 10. Bd2 Rc8 11. Rc1 a6 12. f3 Ne5 13. Ne3 Qb6 14. Kh1 Qxb2
15. Rb1 Qa3 16. f4 Nc6 17. Nc2 Qa5 18. Rxb7 Rb8 19. Rb3 Rfc8 20. Ra3 Qd8 21.
Rxa6 Na5 22. e5 Ne8 23. Nd5 Nb7 24. Be3 Nc5 25. Bxc5 Rxc5 26. exd6 exd6 27. Nd4
Rb2 28. Nb3 Rc8 29. Nb6 Be6 30. Nxc8 Qxc8 31. Ra7 h5 32. Bf3 Kh7 33. Ra8 Qd7
34. c5 dxc5 35. Qxd7 Bxd7 36. Nxc5 Bb5 37. Rd1 Nf6 38. a4 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.4"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "De, Arco Luis Carlos"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "2243"]
[PlyCount "70"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8.
Bc4 Qb6 9. Ncb5 a6 10. Nc3 Qxb2 11. Nde2 Ng4 12. Bd2 Ne3 13. Bxe3 Bxc3+ 14. Kf2
Qxa1 15. Qxa1 Bxa1 16. Rxa1 b5 17. Bb3 Bb7 18. Rd1 d6 19. Bb6 Rac8 20. a3 Ne5
21. Bd4 Nd7 22. Rd2 Rc7 23. h4 Nc5 24. Ba2 Rfc8 25. Bb1 Ne6 26. Bb2 a5 27. h5
b4 28. axb4 axb4 29. hxg6 hxg6 30. Rd1 Rxc2 31. Bxc2 Rxc2 32. Ba1 Ba6 33. Re1
Nf4 34. Rh1 Rxe2+ 35. Kg3 e5 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.5"]
[White "Camargo, Santiago"]
[Black "Narvaez, Zamir"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1986"]
[BlackElo "2177"]
[PlyCount "47"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
Bb3 a5 9. a4 Ng4 10. Nxc6 Nxe3 11. Nxd8 Nxd1 12. Nxd1 Rxd8 13. c3 Bh6 14. Bc4
e6 15. Bb5 d5 16. exd5 exd5 17. Ne3 d4 18. cxd4 Rxd4 19. Rd1 Rxd1+ 20. Kxd1
Bxe3 21. fxe3 Bg4+ 22. Kd2 Rd8+ 23. Kc3 Bf5 24. Re1 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.6"]
[White "Mayorquin, Nicolas"]
[Black "Juez, Jose Yesid"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "2051"]
[PlyCount "52"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8.
Qc7 Nge7 9. Nc3 Nb4 10. Bd3 d5 11. Qc5 Nxd3+ 12. cxd3 d4 13. Ne2 Bg4 14. f3 Bd7
15. f4 Nc6 16. O-O Qe7 17. Qb6 O-O 18. fxe5 Nxe5 19. Bf4 Nxd3 20. Qxd4 Nxf4 21.
Nxf4 Rfe8 22. Rae1 Bb5 23. Rf3 Rad8 24. Qc3 Qe5 25. Qb3 Qd4+ 26. Qe3 Rxe4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.7"]
[White "Moreno, Lozano David"]
[Black "Moran, Daniel Stiven"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1910"]
[BlackElo "2118"]
[PlyCount "144"]
[EventDate "2012.02.15"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nc6 4. Nf3 Bg4 5. Be2 e6 6. c4 Qd6 7. Be3 Nf6 8.
Nc3 a6 9. Qa4 Qb4 10. Qxb4 Bxb4 11. a3 Be7 12. O-O O-O 13. b4 Rfd8 14. Rfd1 Nb8
15. Rd2 c6 16. h3 Bh5 17. Rad1 a5 18. d5 axb4 19. d6 bxc3 20. dxe7 Rxd2 21.
Bxd2 c2 22. Rc1 Nbd7 23. Rxc2 Re8 24. Rb2 b6 25. Be3 c5 26. Rd2 Rxe7 27. Bf4 e5
28. Nxe5 Bxe2 29. Rxe2 Nh5 30. Rd2 Nhf6 31. Nxd7 Rxd7 32. Rb2 Rd1+ 33. Kh2 Nd7
34. Bc7 f6 35. Bxb6 Rd4 36. Ba7 Kf7 37. Rb5 Rxc4 38. f3 Ke6 39. a4 Rb4 40. Kg3
Kd5 41. Ra5 Kc6 42. Ra6+ Kd5 43. Ra5 Kc6 44. Ra6+ Kc7 45. Ra5 Rc4 46. Rb5 Rxa4
47. Bxc5 Kc6 48. Rb4 Nxc5 49. Rb8 Ra7 50. Kg4 Kd6 51. Rh8 g6 52. h4 Ne6 53. Rb8
Ke7 54. Rb6 f5+ 55. Kh3 Kf6 56. Kg3 Re7 57. Kh2 Kg7 58. Rb5 Nd4 59. Rd5 Ne2 60.
Ra5 Re3 61. Ra4 Kh6 62. Rb4 Rd3 63. Rb8 Rc3 64. Re8 Nd4 65. Kg3 Kh5 66. Rd8 f4+
67. Kh3 Nf5 68. Rd7 h6 69. Rf7 Rc1 70. g4+ fxg3 71. Ra7 Rc2 72. Ra6 Rh2# 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.8"]
[White "Sabogal Varela, Jaison Stiven"]
[Black "Martinez, Baquero Hugo Esteban"]
[Result "1-0"]
[ECO "A16"]
[BlackElo "1938"]
[PlyCount "53"]
[EventDate "2012.02.15"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nbd7 7. Rb1 a5 8. a3
e5 9. b4 axb4 10. axb4 Nh5 11. Qb3 Kh8 12. d4 f5 13. Ng5 Ndf6 14. dxe5 dxe5 15.
Rd1 Qe7 16. Be3 Ng4 17. Nd5 Qd8 18. Nb6 Qf6 19. Nxa8 Nxe3 20. Qxe3 f4 21. Ne4
fxe3 22. Nxf6 exf2+ 23. Kxf2 Rxf6+ 24. Kg1 Bf5 25. Rd8+ Bf8 26. e4 Bg4 27. Rf1
1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "6.9"]
[White "Barajas, Ivan"]
[Black "Palechor, Cesar Augusto"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1821"]
[BlackElo "1805"]
[PlyCount "19"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. Be3
Qc7 9. Nb3 O-O 10. f4 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.17"]
[Round "5.7"]
[White "Sabogal Varela, Jaison Stiven"]
[Black "Camargo, Santiago"]
[Result "0-1"]
[ECO "E04"]
[BlackElo "1986"]
[PlyCount "44"]
[EventDate "2012.02.15"]

1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. Bg2 e6 5. d4 dxc4 6. O-O Nbd7 7. Qc2 Bd6 8. e4
e5 9. Rd1 Qe7 10. a4 O-O 11. Na3 Bxa3 12. Rxa3 exd4 13. Nxd4 Nc5 14. Qxc4 Ng4
15. b4 Nxa4 16. Rxa4 b5 17. Nxc6 Qf6 18. Qxb5 Qxf2+ 19. Kh1 Qc2 20. Rf1 Be6 21.
Nd4 Bc4 22. Qc6 Qd3 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.1"]
[White "Ruiz, C Joshua D"]
[Black "Martinez Romero, Martin"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2202"]
[BlackElo "2360"]
[PlyCount "70"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5
Nce7 9. c4 Nxd5 10. exd5 bxc4 11. Nxc4 f5 12. Bd2 a5 13. Qa4+ Bd7 14. Qa3 Qb8
15. Bxa5 Nf6 16. Nb6 Ra7 17. Nxd7 Nxd7 18. Qc3 Be7 19. a4 O-O 20. b4 e4 21. Qa3
Bf6 22. Rd1 Rxa5 23. bxa5 Bb2 24. Qa2 Qb4+ 25. Rd2 Bc3 26. Bb5 Nc5 27. Ke2 e3
28. fxe3 Qg4+ 29. Kf1 f4 30. Re2 fxe3+ 31. Kg1 Ne4 32. Qc2 Be1 33. Rxe1 Rf2 34.
Qxe4 Qxe4 35. Bf1 Qd4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.2"]
[White "Dominguez, Oscar"]
[Black "Torres, Juan Camilo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2065"]
[BlackElo "2278"]
[PlyCount "70"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 b5 6. Be2 Bb7 7. O-O Qc7 8. Re1
Nc6 9. Nxc6 dxc6 10. e5 Rd8 11. Bd3 c5 12. Qe2 c4 13. Be4 Bb4 14. Bg5 Ne7 15.
a4 Bxc3 16. bxc3 Bxe4 17. Qxe4 O-O 18. axb5 axb5 19. Bxe7 Qxe7 20. Qc6 Rd5 21.
Rab1 Qa3 22. Rxb5 Qxc3 23. Rbb1 Rfd8 24. h3 Rd2 25. Qc7 h6 26. Rbc1 Qd4 27. Re3
Qf4 28. Rf1 R8d7 29. Qb8+ Kh7 30. Rf3 Qe4 31. Qe8 Rd1 32. Kh2 Qxe5+ 33. g3 Qe4
34. Rxd1 Rxd1 35. Kg2 Qe1 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.3"]
[White "De, Arco Luis Carlos"]
[Black "Barros, Raul Junior"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2243"]
[BlackElo "2201"]
[PlyCount "82"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O a6 7. Bc4 d6 8. d3 e6
9. Nxd4 cxd4 10. Ne2 Ne7 11. Bb3 O-O 12. Qe1 Nc6 13. Bd2 Kh8 14. a4 f5 15. exf5
exf5 16. Kh1 Re8 17. Qf2 Be6 18. Bxe6 Rxe6 19. a5 Qc7 20. Rfe1 Rae8 21. Ng1
Rxe1 22. Rxe1 Rxe1 23. Qxe1 Qe7 24. Qxe7 Nxe7 25. Nf3 Nd5 26. Kg1 Kg8 27. Kf1
h6 28. Ke2 Kf7 29. Kd1 Bf6 30. Kc1 Ke7 31. Kb1 Kd7 32. g3 Kc6 33. Ka2 Ne3 34.
Kb3 g5 35. fxg5 hxg5 36. h4 g4 37. Ng1 f4 38. gxf4 Bxh4 39. Ne2 Nf5 40. c3 Bf2
41. cxd4 g3 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.5"]
[White "Hernandez, Sanchez Jairo Andres"]
[Black "Sabogal Varela, Jaison Stiven"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2285"]
[PlyCount "33"]
[EventDate "2012.02.15"]

1. c4 Nf6 2. Nc3 g6 3. d3 Bg7 4. g3 d6 5. Bg2 O-O 6. e4 e5 7. Nge2 Nc6 8. O-O
Ne7 9. f4 exf4 10. Bxf4 c6 11. Qd2 Be6 12. h3 d5 13. Bg5 Ne8 14. exd5 cxd5 15.
Nxd5 f6 16. Nxe7+ Qxe7 17. Be3 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.6"]
[White "Moran, Daniel Stiven"]
[Black "Corredor Rengifo, Luis Fernando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2118"]
[BlackElo "1897"]
[PlyCount "83"]
[EventDate "2012.02.15"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Be7 7. g4 h6 8. Rg1
dxc4 9. Bxc4 b5 10. Be2 Bb7 11. h4 b4 12. Na4 c5 13. Nxc5 Nxc5 14. dxc5 Rc8 15.
Qa4+ Qd7 16. Bb5 Bc6 17. Bxc6 Qxc6 18. Qxc6+ Rxc6 19. Bd2 Bxc5 20. Rc1 Ke7 21.
Ne5 Rcc8 22. Rxc5 Rxc5 23. Bxb4 Rhc8 24. Nd3 Nd7 25. Ke2 Kd8 26. Nxc5 Nxc5 27.
Rc1 Nb7 28. Rxc8+ Kxc8 29. Bf8 g6 30. Bxh6 Kd7 31. Bg5 f5 32. h5 gxh5 33. gxh5
Ke8 34. Kd3 Nd6 35. Bf4 Ne4 36. f3 Nf6 37. h6 Kf7 38. Be5 Nh7 39. f4 Kg6 40.
Bg7 Nf6 41. Bxf6 Kxf6 42. b4 1-0

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.7"]
[White "Juez, Jhon Alexander"]
[Black "Camargo, Santiago"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2055"]
[BlackElo "1986"]
[PlyCount "45"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. Bd3 d5 5. exd5 Qxd5 6. Bc2 Bg4 7. O-O Nc6 8.
Re1 Bxf3 9. Qxf3 Qxf3 10. gxf3 e6 11. Na3 Nge7 12. Be4 O-O 13. d3 Rad8 14. Bg5
Rd7 15. Rad1 Re8 16. Bh4 Nd5 17. Nc4 Nce7 18. Ne3 Nf4 19. Bg3 g5 20. d4 f5 21.
Bc2 Nfg6 22. Ba4 Nc6 23. Nxf5 1/2-1/2

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.8"]
[White "Barajas, Ivan"]
[Black "Mayorquin, Nicolas"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1821"]
[BlackElo "1897"]
[PlyCount "79"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
Be6 9. f4 Nc6 10. Kh1 b5 11. f5 Bc4 12. Bxc4 bxc4 13. Nd2 Na5 14. Nf3 Rc8 15.
h3 Qb6 16. Nd5 Nxd5 17. Qxd5 O-O 18. Qd1 c3 19. b3 Qc6 20. Qe1 Nb7 21. Nh4 f6
22. Qe2 d5 23. exd5 Qxd5 24. Qg4 Qd4 25. Qg3 Nd6 26. Bh6 Rf7 27. Be3 Qb4 28. a3
Qb7 29. Bg1 Nb5 30. a4 Nd4 31. Bxd4 exd4 32. Rad1 Bc5 33. Rfe1 Rd7 34. Re6 Qb8
35. Qf3 Rcd8 36. Rd3 Qb7 37. Qg4 Rd6 38. Qe2 Qf7 39. Re7 Qf8 40. Re4 0-1

[Event "IRT Campeonato Nacional de Ajedrez Sub20"]
[Site "Universidad Central Sede Centr"]
[Date "2012.02.18"]
[Round "7.9"]
[White "Palechor, Cesar Augusto"]
[Black "Moreno, Lozano David"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1805"]
[BlackElo "1910"]
[PlyCount "79"]
[EventDate "2012.02.15"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. O-O Bg7 6. Nc3 e5 7. d3 Nf6 8.
Be3 Nd7 9. Qd2 Qe7 10. a3 O-O 11. Rab1 a5 12. Na4 b5 13. Nc3 Rd8 14. Bh6 Nf8
15. Bxg7 Kxg7 16. Qg5 f6 17. Qg3 Ne6 18. Ne2 Nd4 19. Nfxd4 cxd4 20. f4 Rf8 21.
fxe5 fxe5 22. Rxf8 Kxf8 23. Rf1+ Kg7 24. c3 c5 25. cxd4 cxd4 26. Rc1 Bd7 27. h3
Rc8 28. Rxc8 Bxc8 29. Kh2 Qf6 30. Qe1 Qb6 31. b4 a4 32. Qc1 Bd7 33. Ng1 Qc6 34.
Qxc6 Bxc6 35. Kg3 Bd7 36. Kf3 Kf6 37. g4 g5 38. Ne2 Be6 39. Ng3 Bd7 40. Nf5
1/2-1/2