[Event "Bogota Region Univ Ascun-A"]
[Site "Bogota"]
[Date "2016.03.13"]
[Round "6.15"]
[White "Delgadillo, Cristian David"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "B27"]
[BlackElo "1773"]
[PlyCount "61"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 g6 5. Nf3 Bg7 6. Bd3 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. 0-0 e6 10. Nc3 exd5 11. Nxd5 Nf6 12. Bg5 h6 13. Nxf6+ Bxf6 14. Bb5+ Ke7 15. Bxf6+ Kxf6 16. Qf3+ Kg7 17. Rfd1 Qe7 18. Bc4 h5 19. Bd5 Bg4 20. Qg3 Bxd1 21. Rxd1 Rhd8 22. h3 Rac8 23. Kh2 b6 24. a3 Qf6 25. Rd3 Qf4 26. Rf3 Qxg3+ 27. Rxg3 Rc2 28. Rf3 f6 29. b3 Rdc8 30. Bc4 Rd2 31. Kg3 0-1

[Event "Bogota Region Univ Ascun-A"]
[Site "Bogota"]
[Date "2016.03.12"]
[Round "4.17"]
[White "Barajas, Ivan"]
[Black "Farfan, Omar David"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1773"]
[PlyCount "57"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 g6 4. 0-0 d6 5. d4 exd4 6. Nxd4 Nge7 7. Be3 Bg7 8. c3 Ne5 9. Bb3 c5 10. Nb5 0-0 11. Nxd6 Qd7 12. Bxc5 b6 13. Nxc8 bxc5 14. Qxd7 Nxd7 15. Nxe7+ Kh8 16. Nd2 Rfe8 17. Nd5 Ne5 18. Nc7 Ng4 19. Nxa8 Rxa8 20. f3 Ne5 21. Nc4 Nd7 22. Rad1 Nf6 23. Nd6 Kg8 24. Rd3 Bf8 25. Nxf7 Kg7 26. e5 Ne8 27. Rd7 Kg8 28. Ng5+ Kh8 29. Rxh7# 1-0

[Event "Bogota Region Univ Ascun-A"]
[Site "Bogota"]
[Date "2016.03.11"]
[Round "1.2"]
[White "Barajas, Ivan"]
[Black "Torres Rojas, Yuber Andres"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "1773"]
[BlackElo "2072"]
[PlyCount "44"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Bc5 4. Nc3 d6 5. Be2 Nge7 6. 0-0 0-0 7. Be3 Bb6 8. Bxb6 axb6 9. a3 f5 10. exf5 Nxf5 11. Ne4 Nfd4 12. Nxd4 Nxd4 13. h3 Qh4 14. Bg4 Rf7 15. Bxc8 Rxc8 16. c3 Ne6 17. Qg4 Qxg4 18. hxg4 Nf4 19. Rad1 Rcf8 20. f3 Nd5 21. Rde1 Nf4 22. Rd1 Ne6 0-1

[Event "Bogota op 05"]
[Site "Bogota"]
[Date "2012.05.21"]
[Round "6"]
[White "Barajas, Ivan"]
[Black "Vanegas, Ricardo"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1768"]
[BlackElo "1724"]
[PlyCount "98"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Qe2 d5 6. d3 Nd6 7. Qxe7+ Bxe7 8. Be2 Bf6 9. c3 Bf5 10. Bg5 Nd7 11. Bxf6 Nxf6 12. 0-0 0-0 13. Re1 Rae8 14. Nbd2 h6 15. Bf1 c6 16. h3 g5 17. Ne5 Re7 18. Ng4 Re6 19. Nxh6+ Kg7 20. Nxf5+ Nxf5 21. Rxe6 fxe6 22. Re1 Re8 23. Nf3 g4 24. hxg4 Nxg4 25. Ne5 Nxe5 26. Rxe5 Kf6 27. Re1 c5 28. g3 b5 29. Bh3 a5 30. Bxf5 Kxf5 31. f3 a4 32. a3 Rd8 33. d4 cxd4 34. cxd4 b4 35. Re2 bxa3 36. bxa3 Rb8 37. Re5+ Kf6 38. Re3 Rb3 39. Kf2 Kf5 40. Ke2 Rb2+ 41. Kd3 Ra2 42. g4+ Kf6 43. g5+ Ke7 44. Re1 Rxa3+ 45. Ke2 Ra2+ 46. Ke3 Ra3+ 47. Kf4 Rd3 48. Ke5 Rxf3 49. g6 Rf5# 0-1

[Event "Bogota op 05"]
[Site "Bogota"]
[Date "2012.05.20"]
[Round "4"]
[White "Barajas, Ivan"]
[Black "Buitrago, Bernardo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1768"]
[BlackElo "1808"]
[PlyCount "80"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 b6 4. Bf4 Ba6 5. Qe2 Bxd3 6. Qxd3 Nd7 7. Nd2 dxe4 8. Nxe4 Ngf6 9. Nxf6+ Nxf6 10. Nf3 Bd6 11. Qb5+ Qd7 12. Qg5 0-0 13. 0-0 Ne4 14. Qg4 f5 15. Qh4 h6 16. Ne5 Qe8 17. f3 Nf6 18. Qe1 Qa4 19. c3 Qb5 20. Rb1 g5 21. Bd2 Rae8 22. f4 Ne4 23. Qd1 g4 24. Qe1 Kh7 25. Be3 Rg8 26. g3 Re7 27. Qd1 Bxe5 28. fxe5 Rd7 29. Qc2 h5 30. Bf4 Qc4 31. a3 c5 32. dxc5 Qxc5+ 33. Kh1 Rgd8 34. Qe2 Qc6 35. Kg1 Rd3 36. Rbd1 Qc4 37. Rxd3 Rxd3 38. Kh1 Qd5 39. Kg1 Nd2 40. Rf2 Nf3+ 0-1

[Event "Bogota op 05"]
[Site "Bogota"]
[Date "2012.05.20"]
[Round "5"]
[White "Romero Kries, Mario Andres"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1654"]
[BlackElo "1768"]
[PlyCount "35"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Be3 Nc6 8. Bb5 Bd7 9. 0-0 a6 10. Nxc6 Bxc6 11. Bd3 b5 12. a3 Qc7 13. f3 0-0 14. Qe1 d5 15. exd5 Nxd5 16. Nxd5 Bxd5 17. c3 Bc5 18. Qe2 0-1

[Event "Bogota op 05"]
[Site "Bogota"]
[Date "2012.05.19"]
[Round "2"]
[White "Barajas, Ivan"]
[Black "Rojas Villamil, Pedro Antonio"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1768"]
[BlackElo "1762"]
[PlyCount "124"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Nc6 8. Nf3 b5 9. a3 Bb7 10. Bg5 Be7 11. Re1 d6 12. Bf1 0-0 13. Bf4 Rfd8 14. Qe2 Rac8 15. Rad1 Nh5 16. Bg3 Nxg3 17. hxg3 Na5 18. Qe3 Nc4 19. Bxc4 Qxc4 20. Qd4 Qxd4 21. Nxd4 Bf6 22. f3 Rc4 23. Nde2 b4 24. axb4 Rxb4 25. b3 Rb6 26. Na4 Rc6 27. c4 h6 28. Nf4 Rcc8 29. Rd3 Rb8 30. Red1 Be7 31. Ne2 Kf8 32. g4 Ke8 33. Nf4 Bc6 34. Nb2 Rb4 35. Ne2 Rdb8 36. Nc1 a5 37. Re1 Bg5 38. Rxd6 Bxc1 39. Rxc1 Bd7 40. Nd3 Rxb3 41. Nc5 Rb1 42. Rcd1 Rxd1+ 43. Rxd1 Bc6 44. Ra1 a4 45. Na6 Rb6 46. Nc7+ Kd7 47. Nb5 Ra6 48. Kf2 Bxb5 49. cxb5 Ra5 50. Ke3 Kc7 51. Kd4 a3 52. Kc4 Kb6 53. Ra2 Ra4+ 54. Kb3 Kxb5 55. Rxa3 Rxa3+ 56. Kxa3 Kc4 57. Kb2 Kd3 58. Kc1 Ke2 59. Kc2 Kf2 60. Kd2 Kxg2 61. Ke2 Kg3 62. Ke3 g6 0-1

[Event "Bogota op 05"]
[Site "Bogota"]
[Date "2012.05.19"]
[Round "3"]
[White "Rojas Hernandez, Santiago"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1600"]
[BlackElo "1768"]
[PlyCount "6"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Bc4 d6 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.18"]
[Round "7"]
[White "Barajas, Ivan"]
[Black "Mayorquin Polanco, Nicolas"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1821"]
[BlackElo "1897"]
[PlyCount "79"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 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 0-0 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 "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.18"]
[Round "6"]
[White "Barajas, Ivan"]
[Black "Palechor, Cesar Augusto"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1821"]
[BlackElo "1805"]
[PlyCount "19"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 Qc7 9. Nb3 0-0 10. f4 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.16"]
[Round "4"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1897"]
[BlackElo "1821"]
[PlyCount "73"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

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. 0-0-0 0-0 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 "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.16"]
[Round "3"]
[White "Moreno Lozano, David"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1910"]
[BlackElo "1821"]
[PlyCount "49"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

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. 0-0 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 "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.15"]
[Round "2"]
[White "Barajas, Ivan"]
[Black "Martinez Baquero, Hugo Esteban"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1821"]
[BlackElo "1938"]
[PlyCount "23"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 Be7 8. 0-0-0 Qc7 9. Be2 Nbd7 10. f4 b5 11. a3 Bb7 12. e5 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.15"]
[Round "1"]
[White "Moran, Daniel Stiven"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "2118"]
[BlackElo "1821"]
[PlyCount "73"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 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 "Bogota U17 Mixto op"]
[Site "Bogota"]
[Date "2012.02.03"]
[Round "2.2"]
[White "Barajas, Ivan"]
[Black "Acevedo, Johan Sebastian"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1821"]
[BlackElo "2089"]
[PlyCount "14"]
[EventDate "2012.02.03"]
[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 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Nf3 Nc6 7. Nc3 d6 1/2-1/2

[Event "Bogota U17 Mixto op"]
[Site "Bogota"]
[Date "2012.02.03"]
[Round "6.4"]
[White "Barajas, Ivan"]
[Black "Corredor Castellanos, Camilo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1821"]
[BlackElo "1874"]
[PlyCount "21"]
[EventDate "2012.02.03"]
[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 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 Qxc6 7. Nc3 Ne7 8. Be2 0-0 9. 0-0 Qg6 10. Qg5 c6 11. Qxc5 1-0

[Event "Bogota U17 Mixto op"]
[Site "Bogota"]
[Date "2012.02.03"]
[Round "3.5"]
[White "Gaitan Bautista, Oscar"]
[Black "Barajas, Ivan"]
[Result "1/2-1/2"]
[ECO "B20"]
[BlackElo "1821"]
[PlyCount "29"]
[EventDate "2012.02.03"]
[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 c5 2. Bc4 e6 3. c3 d5 4. exd5 exd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. Qe2+ Be7 8. d4 c4 9. b3 b5 10. Ba3 Kf8 11. Bxe7+ Qxe7 12. Qxe7+ Nxe7 13. Nd2 Ng6 14. Ne2 Nh4 15. Nf4 1/2-1/2

[Event "Bogota U17 Mixto op"]
[Site "Bogota"]
[Date "2012.02.03"]
[Round "5.4"]
[White "Henao Nino, Cristian Ornandy"]
[Black "Barajas, Ivan"]
[Result "1/2-1/2"]
[ECO "D30"]
[BlackElo "1821"]
[PlyCount "57"]
[EventDate "2012.02.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 c6 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nbd2 Nf6 7. b3 Nbd7 8. e3 e5 9. dxe5 Nxe5 10. Be2 0-0 11. Nxe5 Qxe5 12. 0-0 Bf5 13. Nf3 Qe7 14. Qd4 c5 15. Qb2 Be4 16. Nd2 b6 17. Nxe4 Qxe4 18. cxd5 Nxd5 19. Rfd1 Rad8 20. Bf3 Qe6 21. Bxd5 Rxd5 22. Qe2 Rfd8 23. Rxd5 Qxd5 24. Kf1 h6 25. Rc1 Qd2 26. Rc2 Qxe2+ 27. Kxe2 Kf8 28. Rd2 Rxd2+ 29. Kxd2 1/2-1/2

[Event "Bogota op 01"]
[Site "Bogota"]
[Date "2012.01.29"]
[Round "7"]
[White "Rosero, Hugo Alberto"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "1561"]
[BlackElo "1821"]
[PlyCount "56"]
[EventDate "2012.01.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Be2 Be7 8. 0-0 0-0 9. f4 Qc7 10. Bf3 Nc6 11. Nxc6 bxc6 12. Qd2 Bb7 13. Qf2 c5 14. Qg3 Rfd8 15. e5 dxe5 16. fxe5 Nd5 17. Bh6 Bf8 18. Bh5 Nxc3 19. bxc3 g6 20. Bxf8 Rxf8 21. Bf3 Bxf3 22. Rxf3 Rab8 23. Qg5 Rbd8 24. Raf1 h6 25. Qg3 Kg7 26. h4 h5 27. Qg5 Qe7 28. Qg3 Qc7 1-0

[Event "Bogota op 01"]
[Site "Bogota"]
[Date "2012.01.28"]
[Round "5"]
[White "Moreno Lozano, Esteban"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1625"]
[BlackElo "1821"]
[PlyCount "13"]
[EventDate "2012.01.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Nxd4 e6 5. Nc3 Be7 6. Be3 Nf6 7. f4 1-0

[Event "Bogota op 01"]
[Site "Bogota"]
[Date "2012.01.27"]
[Round "3"]
[White "Barajas, Ivan"]
[Black "Martinez Baquero, Hugo Esteban"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1821"]
[BlackElo "1938"]
[PlyCount "84"]
[EventDate "2012.01.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Qc7 9. f3 Nbd7 10. g4 b5 11. Bxb5 axb5 12. Ndxb5 Qb8 13. Nxd6+ Qxd6 14. Qxd6 Bxd6 15. Rxd6 Ra6 16. Rhd1 Rxd6 17. Rxd6 Ke7 18. Rd2 Ne5 19. Rf2 Ba6 20. a3 h6 21. Bh4 g5 22. Bg3 Ng6 23. h3 h5 24. Rd2 hxg4 25. hxg4 Rh1+ 26. Rd1 Rh3 27. Bd6+ Ke8 28. Bc7 Nd7 29. Rd6 Bf1 30. a4 Rxf3 31. a5 Nc5 32. Bd8 Nb7 33. a6 Bxa6 34. Rxa6 Kxd8 35. Ra4 Ne5 36. Rb4 Nd6 37. Nb5 Ndc4 38. Kd1 Rg3 39. b3 Rg1+ 40. Ke2 Rg2+ 41. Kd1 Nb2+ 42. Kc1 Ned3+ 0-1

[Event "Bogota op 01"]
[Site "Bogota"]
[Date "2012.01.27"]
[Round "4"]
[White "Trujillo, Otoniel"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2249"]
[BlackElo "1821"]
[PlyCount "49"]
[EventDate "2012.01.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 cxd4 7. exd4 Be7 8. Nc3 Nbd7 9. Qe2 0-0 10. Re1 Re8 11. Bxe6 Bb4 12. Bxf7+ Kxf7 13. Qc4+ Kf8 14. Qxb4+ Kg8 15. Bf4 h6 16. Qb3+ Kh8 17. Nb5 a6 18. Nd6 Rxe1+ 19. Rxe1 Qb6 20. Nf7+ Kg8 21. Nxh6+ Kh8 22. Re8+ Kh7 23. Qc2+ g6 24. Re7+ Kh8 25. Qxg6 1-0

[Event "Bogota op 01"]
[Site "Bogota"]
[Date "2012.01.26"]
[Round "2"]
[White "Barajas, Ivan"]
[Black "Fraile Vela, Maria Isabel"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "1821"]
[BlackElo "1996"]
[PlyCount "33"]
[EventDate "2012.01.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bg5 Be7 8. f3 0-0 9. Qd2 Re8 10. 0-0-0 d5 11. exd5 exd5 12. Bb5 Bd7 13. Nb3 a6 14. Bf1 Bb4 15. a3 h6 16. Bxf6 Bxc3 17. Bxc3 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.09"]
[Round "7"]
[White "Gutierrez Cascardo, Jaime"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2050"]
[PlyCount "47"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Be7 5. Nd2 d5 6. Bd3 c4 7. Bc2 Nbd7 8. Ngf3 0-0 9. Ne5 Nxe5 10. dxe5 Nd7 11. Qh5 g6 12. Qh6 Re8 13. Nf3 Bf8 14. Qh3 f6 15. Qg3 fxe5 16. Nxe5 Nxe5 17. Bxe5 Bg7 18. h4 Bxe5 19. Qxe5 Rf8 20. h5 Qf6 21. Qg3 g5 22. h6 Kh8 23. Rh5 Rg8 24. Qc7 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "3"]
[White "Rodriguez, German Andres"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "8"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. e3 d5 4. Nc3 c6 0-1

[Event "Bogota Mayores Distrital op 11"]
[Site "Bogota"]
[Date "2011.11.14"]
[Round "6.14"]
[White "Barajas, Ivan"]
[Black "Ribero, Guillermo Andres"]
[Result "1-0"]
[ECO "B33"]
[BlackElo "1837"]
[PlyCount "43"]
[EventDate "2011.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 Be7 8. Bxf6 gxf6 9. Nd5 Qa5+ 10. Nbc3 Be6 11. Bb5 Qd8 12. Nxe7 Qxe7 13. Nd5 Qd8 14. c3 a6 15. Bd3 Bxd5 16. exd5 Ne7 17. Qf3 Ng6 18. g3 h5 19. h4 Rc8 20. Be4 Kf8 21. Qe2 Rc5 22. Bf3 1-0

[Event "Bogota Mayores Distrital op 11"]
[Site "Bogota"]
[Date "2011.11.13"]
[Round "5.13"]
[White "Gomez, Juan Andres"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1819"]
[PlyCount "79"]
[EventDate "2011.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. g3 c6 4. Bg2 e6 5. Nge2 d5 6. exd5 cxd5 7. d4 Nf6 8. 0-0 0-0 9. Be3 a6 10. Qd2 Re8 11. Bh6 Nbd7 12. h4 Ng4 13. Bxg7 Kxg7 14. Nf4 h5 15. Rad1 b5 16. a3 Bb7 17. Rfe1 Qc7 18. Nce2 Ndf6 19. f3 Nh6 20. Nh3 Nf5 21. Kh2 Nxh4 22. Ng5 Nf5 23. Nf4 Qd6 24. c3 Rad8 25. Bh3 Bc8 26. Bxf5 exf5 27. Kg2 Rh8 28. Nd3 h4 29. gxh4 Rxh4 30. Ne5 Be6 31. Nxe6+ fxe6 32. Qg5 Rh6 33. Rh1 Rdh8 34. Rxh6 Rxh6 35. Rh1 Rxh1 36. Kxh1 Qe7 37. Nxg6 Qd8 38. Ne5+ Kf8 39. Qh6+ Ke8 40. Qg6+ 1-0

[Event "Bogota Mayores Distrital op 11"]
[Site "Bogota"]
[Date "2011.11.12"]
[Round "3.3"]
[White "Barajas, Ivan"]
[Black "Dominguez Rincon, Miller Duvan"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "2012"]
[PlyCount "76"]
[EventDate "2011.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 bxc6 7. Qf4 Rb8 8. Qxf6 Nxf6 9. Bd3 d5 10. Nd2 0-0 11. 0-0 Re8 12. exd5 cxd5 13. b3 Bd4 14. Rb1 Bc3 15. Rd1 c5 16. h3 Rb6 17. Bb2 Bxb2 18. Rxb2 c4 19. Nxc4 dxc4 20. Bxc4 Ne4 21. Rd3 Nd6 22. Bd5 Re1+ 23. Kh2 Re2 24. Kg1 h5 25. Bf3 Re1+ 26. Kh2 Ba6 27. Rd1 Rxd1 28. Bxd1 Ne4 29. Kg1 Nc3 30. Bxh5 g6 31. Bf3 Kg7 32. Kh2 Kf6 33. Kg3 Ke5 34. h4 f5 35. h5 g5 36. Kh2 g4 37. Ba8 Rb8 38. Bc6 Kd6 0-1

[Event "Bogota Mayores Distrital op 11"]
[Site "Bogota"]
[Date "2011.11.12"]
[Round "2.4"]
[White "Cortes, Maria Angelica"]
[Black "Barajas, Ivan"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "2058"]
[PlyCount "26"]
[EventDate "2011.11.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 a6 7. Be2 Be7 8. 0-0 0-0 9. h3 Nc6 10. Nf3 Qc7 11. Re1 Rd8 12. Bc4 b5 13. Bb3 Na5 1/2-1/2

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.24"]
[Round "7"]
[White "Rincon Tristancho, Sebastian"]
[Black "Barajas, Ivan"]
[Result "1/2-1/2"]
[ECO "E53"]
[WhiteElo "1850"]
[PlyCount "50"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 c5 6. Bd3 0-0 7. 0-0 Bxc3 8. bxc3 cxd4 9. cxd4 Nbd7 10. Qe2 Re8 11. Bb2 b6 12. a4 Bb7 13. a5 dxc4 14. Bxc4 Rc8 15. axb6 Bxf3 16. gxf3 axb6 17. Bb5 Nd5 18. Rfc1 Nc7 19. Bc6 Nd5 20. Ra7 N5f6 21. d5 Rc7 22. Ra8 Rc8 23. Rxc8 Qxc8 24. Qb5 Rd8 25. dxe6 fxe6 1/2-1/2

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.23"]
[Round "5"]
[White "Barajas, Ivan"]
[Black "Paez, Sussi Brigitte"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "11"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. 0-0 Bc5 6. c3 1-0

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.22"]
[Round "3"]
[White "Manrique, Fernando"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1957"]
[PlyCount "83"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. 0-0 Nc6 8. Nxc6 bxc6 9. e5 Nd5 10. Ne4 dxe5 11. c4 Nf4 12. Qxd8+ Kxd8 13. Bf3 Bb7 14. g3 Ng6 15. Be3 Ke8 16. Nc5 Bxc5 17. Bxc5 Rd8 18. Rfd1 f5 19. Bb6 Rxd1+ 20. Rxd1 Rf8 21. Rd6 e4 22. Bh5 Ke7 23. Bc5 Kf6 24. Rd7 Rb8 25. Bxg6 Kxg6 26. Ba7 Bc8 27. Rc7 Rb7 28. Rxc8 Rxa7 29. Rxc6 Kf6 30. b4 Ke7 31. Kf1 Kd7 32. Rb6 g5 33. Ke2 h5 34. Ke3 Ke7 35. a4 Kd7 36. c5 a5 37. b5 Ra8 38. Rb7+ Ke8 39. Rh7 Rc8 40. Rh8+ Kd7 41. Rxc8 Kxc8 42. Kd4 1-0

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.20"]
[Round "2"]
[White "Barajas, Ivan"]
[Black "Padilla, Daniel Eduardo"]
[Result "1-0"]
[ECO "C54"]
[BlackElo "1896"]
[PlyCount "44"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d6 9. 0-0 Bg4 10. d5 Ne5 11. Qa4+ Bd7 12. Qc2 0-0 13. Nxe5 dxe5 14. Nf3 Re8 15. Rae1 Bg4 16. Qc3 a6 17. Nxe5 Qd6 18. Nxg4 Nxg4 19. Qg3 Qxg3 20. hxg3 Nf6 21. f3 Nd7 22. Rc1 Ne5 1-0

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.20"]
[Round "1"]
[White "Ospina Ortiz, Oscar Alexander"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1981"]
[PlyCount "46"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Qc2 Qc7 8. Rc1 a6 9. a3 dxc4 10. Bxc4 b5 11. Ba2 Bb7 12. b4 Rc8 13. 0-0 c5 14. bxc5 h6 15. Bh4 Bxf3 16. gxf3 Qc6 17. Kg2 g5 18. Bg3 h5 19. h3 g4 20. hxg4 h4 21. Rh1 Nxg4 22. d5 exd5 23. Bxd5 Qxc5 1-0

[Event "Bogota Mayores Distrital op 04"]
[Site "Bogota"]
[Date "2011.04.17"]
[Round "7.32"]
[White "Barajas, Ivan"]
[Black "Aguilar, Hernando"]
[Result "1/2-1/2"]
[ECO "C41"]
[BlackElo "1822"]
[PlyCount "47"]
[EventDate "2011.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Bc4 Qe7 7. 0-0 h6 8. Nc3 c6 9. b3 Nd7 10. Rd1 Ngf6 11. a4 g5 12. Ba3 c5 13. Nd5 Nxd5 14. exd5 0-0-0 15. d6 Qf6 16. Qxf6 Nxf6 17. Bxc5 Ne4 18. Bb4 Bxd6 19. Bxd6 Nxd6 20. Be2 Ne4 21. Bg4+ Kc7 22. Rxd8 Rxd8 23. Rd1 Nd2 24. Be2 1/2-1/2

[Event "Bogota Mayores Distrital op 04"]
[Site "Bogota"]
[Date "2011.04.17"]
[Round "6.27"]
[White "Quijano, Santiago"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1921"]
[PlyCount "18"]
[EventDate "2011.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Bg4 4. Nc3 h6 5. e3 Nbd7 6. Bd3 e5 7. d5 a5 8. 0-0 Nc5 9. Ne2 Be7 0-1

[Event "Bogota Mayores Distrital op 04"]
[Site "Bogota"]
[Date "2011.04.16"]
[Round "5.36"]
[White "Barajas, Ivan"]
[Black "Cortes, Maria Angelica"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "69"]
[EventDate "2011.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 dxe5 5. Qxd8+ Nxd8 6. Nxe5 Nf6 7. Bd3 Bd6 8. Nf3 0-0 9. 0-0 Ng4 10. h3 Ne5 11. Nxe5 Bxe5 12. f4 Bd4+ 13. Kh1 Nc6 14. c3 Bb6 15. Rf3 Be6 16. Be3 Bxe3 17. Rxe3 f5 18. e5 Rad8 19. Nd2 Ne7 20. a3 Ng6 21. g3 Bd5+ 22. Kg1 c5 23. Bc4 Bxc4 24. Nxc4 b5 25. Nd6 a6 26. Rd1 Ne7 27. Kf2 Nc6 28. Ke2 Na5 29. b3 Nxb3 30. e6 Rfe8 31. Nxe8 Rxe8 32. Rd7 Nc1+ 33. Kd2 Nb3+ 34. Kc2 Na5 35. a4 1-0

[Event "Bogota Mayores Distrital op 04"]
[Site "Bogota"]
[Date "2011.04.16"]
[Round "4.32"]
[White "Bernal Plata, Felipe"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "42"]
[EventDate "2011.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 Bf5 5. e3 e6 6. Bd3 Bxd3 7. Qxd3 Bd6 8. Be5 dxc4 9. Qxc4 Bxe5 10. dxe5 Nd5 11. Rd1 Qe7 12. e4 Nb6 13. Qd4 0-0 14. Qd6 Qxd6 15. exd6 e5 16. Nf3 f6 17. Na4 Nxa4 18. d7 Rd8 19. b3 Nb6 20. Ke2 Rxd7 21. Rxd7 N8xd7 0-1

[Event "Bogota Mayores Distrital op 04"]
[Site "Bogota"]
[Date "2011.04.15"]
[Round "2.21"]
[White "Barajas, Ivan"]
[Black "Acuna, Camilo"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "2101"]
[PlyCount "96"]
[EventDate "2011.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 b5 7. a3 e6 8. Be3 Be7 9. Be2 Bb7 10. Qd2 Nbd7 11. 0-0 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Nf5 Bf6 15. c4 bxc4 16. Bxc4 Nb6 17. Bxd5 Qxd5 18. Nd6+ Kd7 19. Nxf7 Qxd2 20. Bxd2 Rhf8 21. Ng5 Nc4 22. Nxh7 Nxd2 23. Nxf8+ Rxf8 24. Rad1 Bd4+ 25. Rf2 Nb3 26. Kf1 e5 27. Rc2 Rc8 28. Rxc8 Kxc8 29. Rd3 Nc5 30. Rd2 Kb7 31. Ke2 Nb3 32. Rc2 Bg1 33. Kd3 Bxh2 34. Rc4 Nd4 35. Rxd4 exd4 36. Kxd4 Kc6 37. Kc4 Bf4 38. b3 Kd6 39. Kb4 Bd2+ 40. Kc4 Ke5 41. Kc5 Bc1 42. a4 a5 43. b4 Ba3 44. f4+ Kxf4 45. Kd6 Bxb4+ 46. Ke6 Kg3 47. Kf5 Kxg2 48. Kg6 Bc3 0-1

[Event "Bogota Mayores Distrital op 04"]
[Site "Bogota"]
[Date "2011.04.15"]
[Round "3.34"]
[White "Gomez, Jorge Leonardo"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2064"]
[PlyCount "45"]
[EventDate "2011.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Be2 Qc7 7. Qc2 e5 8. dxe5 Nxe5 9. 0-0 Bd6 10. Nxe5 Bxe5 11. f4 Bd6 12. cxd5 Nxd5 13. Nxd5 cxd5 14. Qxc7 Bxc7 15. Rd1 Be6 16. Bf3 Rd8 17. Bd2 0-0 18. Bc3 Rfe8 19. Rd2 Rd7 20. Rad1 Red8 21. g4 f6 22. Kf2 Kf7 23. f5 1-0

[Event "Bogota Distrital op"]
[Site "Bogota"]
[Date "2011.02.04"]
[Round "2"]
[White "Pinzon, Jairo David"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2156"]
[PlyCount "13"]
[EventDate "2011.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 e6 3. Nf3 d5 4. cxd5 exd5 5. d4 Be6 6. e3 Nf6 7. Be2 1-0

[Event "Bogota Distrital op"]
[Site "Bogota"]
[Date "2011.02.03"]
[Round "1"]
[White "Barajas, Ivan"]
[Black "Villamil Alarcon, Hector Orlando"]
[Result "1/2-1/2"]
[ECO "B33"]
[BlackElo "2084"]
[PlyCount "82"]
[EventDate "2011.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[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. Be2 0-0 12. 0-0 Nd4 13. c3 Nxe2+ 14. Qxe2 Bb7 15. Rad1 Bg5 16. Nc2 f5 17. exf5 Rxf5 18. Nce3 Bxe3 19. Qxe3 Kh8 20. Rd3 Qh4 21. Qg3 Qxg3 22. fxg3 Raf8 23. Rxf5 Rxf5 24. Ne3 Rf6 25. g4 g6 26. Nd5 Bxd5 27. Rxd5 Kg7 28. g5 Re6 29. Kf2 h6 30. h4 hxg5 31. hxg5 Kf7 32. Kf3 Ke7 33. a4 Kd7 34. axb5 axb5 35. Rxb5 Kc6 36. c4 Re8 37. b4 Rf8+ 38. Ke3 Rf5 39. Rb8 Rxg5 40. Kf3 Rf5+ 41. Ke3 Rf6 1/2-1/2

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.05"]
[Round "5"]
[White "Barajas, Ivan"]
[Black "Geurts, Harrie Tulio"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1696"]
[PlyCount "66"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bf5 5. Bf4 a6 6. c3 Nd7 7. Ne5 Nxe5 8. Bxe5 e6 9. Bd3 Bxd3 10. Qxd3 Nf6 11. f3 Bd6 12. 0-0 Bxe5 13. dxe5 Nd7 14. Qd4 Rc8 15. Nd2 0-0 16. Kh1 Qc7 17. f4 Qc5 18. Nb3 Qxd4 19. Nxd4 Nb6 20. f5 exf5 21. Nxf5 Rce8 22. Rae1 Nc4 23. b3 Nxe5 24. Nd6 Re7 25. Nxb7 Rxb7 26. Rxe5 Rc7 27. Rf3 d4 28. c4 f5 29. Rd5 Re7 30. Kg1 Re2 31. Rf2 Re1+ 32. Rf1 Re2 33. Rxd4 Rxa2 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "3"]
[White "Barajas, Ivan"]
[Black "Santamaria, Jhon Jairo"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1696"]
[PlyCount "52"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 e6 8. 0-0 Bd6 9. Nc3 a6 10. Be3 b5 11. a3 0-0 12. Kh1 Nc6 13. Ne2 Qc7 14. g3 Rac8 15. c3 Rb8 16. Rc1 Na5 17. Qc2 Nc4 18. Bd2 a5 19. Ng1 Qa7 20. b4 Nxa3 21. Qb2 Nc4 22. Qc2 Nxd2 23. Qxd2 a4 24. Ne2 Rfc8 25. Rg1 Rc6 26. h3 Ra6 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "4"]
[White "Gomez Lozano, Pedro"]
[Black "Barajas, Ivan"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "1696"]
[PlyCount "64"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Nf6 4. h3 Bd6 5. Bxd6 Qxd6 6. e3 Nbd7 7. c3 e5 8. dxe5 Nxe5 9. Nxe5 Qxe5 10. Nd2 Bf5 11. Nf3 Qd6 12. Be2 c6 13. 0-0 0-0 14. Bd3 Be4 15. Bxe4 Nxe4 16. Nd2 Rad8 17. Nxe4 dxe4 18. Qd4 Qxd4 19. cxd4 Rd5 20. b4 a5 21. a3 a4 22. Rfc1 Rc8 23. Rc2 Rb5 24. Rac1 Rd5 25. Rc5 Rcd8 26. Kf1 f5 27. g3 Kf7 28. Ke2 Kf6 29. h4 g5 30. hxg5+ Kxg5 31. Rh1 h5 32. f4+ Kg6 1/2-1/2

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.18"]
[Round "7.12"]
[White "Barajas, Ivan"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1662"]
[PlyCount "95"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2 d6 8. Nxc6 Bxe3 9. Qxe3 Nxc6 10. Bb5 Bd7 11. 0-0 a6 12. Bd3 Ne5 13. f4 Nxd3 14. Qxd3 0-0-0 15. Nd2 Bc6 16. Qd4 Qxd4+ 17. cxd4 f6 18. Rac1 Kb8 19. Rc2 Rhe8 20. d5 Bb5 21. Rf3 Be2 22. Rfc3 Re7 23. Kf2 Bh5 24. f5 g6 25. Rh3 Rde8 26. Rh4 Bd1 27. Rc1 Ba4 28. b3 Bb5 29. a4 g5 30. Rh3 Bd7 31. g4 c6 32. Rd3 cxd5 33. Rxd5 Bc6 34. Rxc6 bxc6 35. Rxd6 Rf7 36. Rxc6 Kb7 37. Rc4 Rc8 38. Kg3 Rxc4 39. Nxc4 Kc6 40. e5 h6 41. e6 Re7 42. h4 Kc5 43. hxg5 hxg5 44. Kf3 Kb4 45. Nd2 Kc3 46. Ke3 Rh7 47. Ne4+ Kxb3 48. Nxf6 1-0

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.17"]
[Round "6.9"]
[White "Barajas, Ivan"]
[Black "Salcedo, Jackeline"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1662"]
[BlackElo "2019"]
[PlyCount "65"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 Nc6 8. Bd3 Be7 9. h3 d5 10. exd5 Nxd5 11. Be4 Be6 12. 0-0 0-0 13. a3 f5 14. Bxd5 Bxd5 15. Nxd5 Qxd5 16. Bc3 Qxd1 17. Raxd1 e4 18. Nd4 Nxd4 19. Bxd4 Rac8 20. c3 Rf7 21. f3 exf3 22. Rxf3 g6 23. Rdf1 Rcf8 24. g4 fxg4 25. Rxf7 Rxf7 26. Rxf7 Kxf7 27. hxg4 b5 28. Kg2 Bg5 29. b3 Bc1 30. Bc5 Ke6 31. Kf3 Kd5 32. Be7 Bd2 33. Bb4 1/2-1/2

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.17"]
[Round "5.8"]
[White "Poveda, Julio Cesar"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1600"]
[BlackElo "1662"]
[PlyCount "60"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c4 e5 3. Nc3 Nc6 4. g3 d6 5. Bg2 f5 6. Nge2 Nf6 7. d3 h6 8. b3 Be7 9. f4 Rb8 10. 0-0 fxe4 11. Nxe4 Nxe4 12. Bxe4 0-0 13. f5 Bg5 14. g4 Nd4 15. Nxd4 exd4 16. Kg2 Bd7 17. Qf3 b5 18. Bd5+ Kh8 19. Bxg5 Qxg5 20. Kg3 Bxf5 21. h4 Qg6 22. Rae1 bxc4 23. Re6 Qxg4+ 24. Qxg4 Bxg4 25. Rxf8+ Rxf8 26. Kxg4 cxd3 27. Bf3 d2 28. Bd1 Rf1 29. Re8+ Kh7 30. Bc2+ g6 0-1

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.15"]
[Round "2.9"]
[White "Guzman, Pedro Juan"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1600"]
[BlackElo "1662"]
[PlyCount "58"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 a6 7. Bd3 Be7 8. 0-0 0-0 9. Kh1 Nc6 10. Nde2 Bd7 11. f4 Qc7 12. Ng3 Rfe8 13. Nh5 Qd8 14. e5 dxe5 15. Nxf6+ Bxf6 16. Bxf6 Qxf6 17. Bxh7+ Kxh7 18. Qxd7 Qe7 19. Qd3+ g6 20. fxe5 Nxe5 21. Qg3 Nd7 22. Ne4 Kg7 23. Rae1 Rf8 24. Ng5 Rae8 25. Qh4 Rh8 26. Qd4+ e5 27. Rxe5 Qxe5 28. Rxf7+ Kg8 29. Rxd7 Qxh2# 0-1

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.17"]
[Round "6.24"]
[White "Barajas, Ivan"]
[Black "Aguilar, Hernando"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1674"]
[BlackElo "1871"]
[PlyCount "33"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nf6 3. d3 Nc6 4. fxe5 Nxe5 5. d4 Ng6 6. Bd3 Bb4+ 7. Bd2 Bxd2+ 8. Nxd2 0-0 9. Ngf3 d6 10. Qe2 Nf4 11. Qf1 Ng4 12. Rc1 f5 13. g3 fxe4 14. Bxe4 d5 15. gxf4 dxe4 16. Qc4+ Kh8 17. Ng5 0-1

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.16"]
[Round "5.26"]
[White "Pacheco, Luis Emilio"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1600"]
[BlackElo "1674"]
[PlyCount "29"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be6 7. Qb3 b6 8. e4 dxe4 9. Bb5+ Ke7 10. d5 exf3 11. dxe6 fxg2 12. Nd5+ Kxe6 13. Qe3+ Kf5 14. Bd3+ Kg4 15. Qg3+ 1-0

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.15"]
[Round "3.25"]
[White "Velazco, Eduardo1111"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1600"]
[BlackElo "1674"]
[PlyCount "120"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Nc6 8. Qd2 Qc7 9. Be2 Be7 10. f4 e5 11. fxe5 Nxe5 12. 0-0 Nc4 13. Bxc4 Qxc4 14. h3 b5 15. Rad1 b4 16. Nce2 Nxe4 17. Qd3 Qxd3 18. Rxd3 Bd7 19. Nf4 Nf6 20. c3 bxc3 21. Rxc3 0-0 22. Nc6 Bxc6 23. Rxc6 Rfc8 24. Rfc1 Rxc6 25. Rxc6 Kf8 26. g4 Rb8 27. Bd4 Ra8 28. Bxf6 Bxf6 29. b3 Ke8 30. Nd5 Kd7 31. Rc7+ Ke6 32. Nxf6 Kxf6 33. Kf2 a5 34. Kf3 h6 35. h4 d5 36. Ke3 Ke6 37. Kd4 a4 38. b4 Rb8 39. a3 Rb6 40. Ra7 Rc6 41. Rxa4 Rc4+ 42. Kd3 Rxg4 43. Ra6+ Kd7 44. b5 Kc7 45. a4 Kb7 46. h5 g6 47. hxg6 fxg6 48. a5 h5 49. Rf6 h4 50. a6+ Ka7 51. Rf7+ Kb6 52. Rb7+ Kc5 53. b6 h3 54. a7 Ra4 55. Rb8 h2 56. Rh8 Kxb6 57. a8N+ Rxa8 58. Rxh2 Kc5 59. Rc2+ Kd6 60. Rb2 Rc8 0-1

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.14"]
[Round "1.7"]
[White "Ramirez Daza, Diego"]
[Black "Barajas, Ivan"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2134"]
[BlackElo "1674"]
[PlyCount "45"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bxf6 Bxf6 11. Bxb5+ axb5 12. Ndxb5 Qc5 13. Nxd6+ Kf8 14. Nxc8 e5 15. fxe5 Bg5+ 16. Kb1 Qxc8 17. Rhf1 Qe6 18. Rd6 Qe8 19. e6 f6 20. e5 Ra7 21. Rfd1 Ke7 22. Nd5+ Kf8 23. e7+ 1-0

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2010.03.05"]
[Round "1.2"]
[White "Barajas, Ivan"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "0-1"]
[ECO "B72"]
[BlackElo "2063"]
[PlyCount "108"]
[EventDate "2010.03.05"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f4 0-0 8. Be2 Nc6 9. Nb3 b6 10. Qd2 Bb7 11. Bf3 Rc8 12. 0-0 a6 13. Nd5 b5 14. c3 Nxd5 15. exd5 Na5 16. Nxa5 Qxa5 17. Bd4 Bxd4+ 18. Qxd4 Rc4 19. Qd2 b4 20. cxb4 Qxb4 21. Qxb4 Rxb4 22. Rae1 Re8 23. g3 Rxb2 24. Rb1 Rxb1 25. Rxb1 Bc8 26. Rb8 Bd7 27. Rb6 Bb5 28. Kf2 Rc8 29. Bd1 Kg7 30. a4 Bc4 31. Rc6 Rxc6 32. dxc6 Be6 33. Ke3 Kf8 34. a5 Ke8 35. Ba4 Kd8 36. Kd4 Kc7 37. h4 Ba2 38. g4 e6 39. g5 Bd5 40. Kc3 Bxc6 41. Bb3 Bb5 42. Kd4 Kd7 43. Ke4 Ke7 44. Bd1 Kf8 45. Kf3 Kg7 46. Be2 Bxe2+ 47. Kxe2 h6 48. Kd3 hxg5 49. hxg5 f6 50. Kd4 e5+ 51. Ke4 Kf7 52. fxe5 dxe5 53. Kd5 Ke7 54. Ke4 Ke6 0-1

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2010.03.05"]
[Round "4.5"]
[White "Barajas, Ivan"]
[Black "Vargas, Diana Paola"]
[Result "1-0"]
[ECO "B97"]
[BlackElo "1946"]
[PlyCount "32"]
[EventDate "2010.03.05"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qb6 9. Nb3 Be7 10. 0-0-0 0-0 11. g4 Qc7 12. h4 b5 13. Bxf6 Nxf6 14. e5 Bb7 15. Qg3 Bxh1 16. Bg2 Bxg2 1-0

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2010.03.05"]
[Round "3.6"]
[White "Torres, Alonso"]
[Black "Barajas, Ivan"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "52"]
[EventDate "2010.03.05"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. b3 e5 7. Nf5 Be7 8. f3 d5 9. exd5 Bxf5 10. Bc4 Bb4 11. Bb2 b5 12. Bd3 Nxd5 13. Qd2 Bxd3 14. Qxd3 Nxc3 15. a3 Qxd3 16. cxd3 Na4+ 17. axb4 Nxb2 18. 0-0 Nxd3 19. Rfd1 Nxb4 20. Rac1 0-0 21. Rc7 N8c6 22. Rdd7 Rac8 23. Rxc8 Rxc8 24. Rd1 Rd8 25. Re1 f6 26. g3 Na5 0-1

