[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.15"]
[Round "7"]
[White "Orozco, Nelson"]
[Black "Molano, Walter Rene"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1680"]
[BlackElo "1722"]
[PlyCount "48"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. Nh3 Nc6 2. a3 Nf6 3. d3 d6 4. g3 e5 5. c4 Nd4 6. Nc3 Be7 7. Bg2 c6 8. Bg5 Qb6 9. Bxf6 Bxf6 10. b4 0-0 11. Ne4 Be7 12. e3 h5 13. exd4 Qxd4 14. 0-0 f5 15. Neg5 f4 16. Qxh5 Bf5 17. g4 Bxd3 18. Rad1 Rf6 19. Be4 Rh6 20. Qf7+ Kh8 21. Rxd3 Qb2 22. Qxe7 Kg8 23. Nf7 Qe2 24. Nxh6+ gxh6 1-0

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.15"]
[Round "6"]
[White "Roman Moreno, Cristian Camilo"]
[Black "Orozco, Nelson"]
[Result "0-1"]
[ECO "C46"]
[BlackElo "1680"]
[PlyCount "41"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 a6 3. Nf3 e5 4. Bc4 h6 5. d4 exd4 6. Nxd4 Ne5 7. b3 Nxc4 8. bxc4 Bb4 9. Bd2 d6 10. a3 Nf6 11. Nf3 Be6 12. Nd5 Nxd5 13. exd5 Bxd2+ 14. Kxd2 Bg4 15. Re1+ Kd7 16. Ne5+ dxe5 17. Qxg4+ Kd6 18. Re4 Re8 19. Qf5 f6 20. Qe6+ Rxe6 21. dxe6 0-1

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.14"]
[Round "5"]
[White "Orozco, Nelson"]
[Black "Jaramillo, Carlos Orlando"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1680"]
[BlackElo "1916"]
[PlyCount "94"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. Nh3 e5 2. a3 d5 3. g3 Be6 4. Bg2 Qd7 5. Ng5 Bf5 6. c4 h6 7. Nxf7 Rh7 8. Nxe5 Qd6 9. Bxd5 c6 10. Bxg8 Qxe5 11. Bxh7 Bxh7 12. d4 Qe6 13. Qb3 Nd7 14. Qe3 Kf7 15. Qxe6+ Kxe6 16. Nc3 Nb6 17. b3 Rd8 18. e3 Bc2 19. c5 Nd7 20. b4 Nf6 21. f3 g5 22. Ra2 Bb3 23. Rb2 Bc4 24. Kf2 Bg7 25. g4 Rf8 26. Kg3 h5 27. h3 Kf7 28. Ne4 Nxe4+ 29. fxe4 h4+ 30. Kg2 Re8 31. e5 Bd5+ 32. Kh2 Bxh1 33. Kxh1 Rd8 34. Rf2+ Kg6 35. Rf5 b6 36. Kg2 bxc5 37. bxc5 Rb8 38. Kf3 Rb1 39. e6 Bf6 40. Bd2 Rb2 41. Bb4 Rh2 42. d5 cxd5 43. Rxd5 Rxh3+ 44. Ke4 Rh1 45. c6 h3 46. c7 Rc1 47. Bc5 h2 0-1

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.14"]
[Round "4"]
[White "Raigosa, Andrea"]
[Black "Orozco, Nelson"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1823"]
[BlackElo "1680"]
[PlyCount "113"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. d5 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 Nce7 6. Nc3 Nf6 7. g3 Ng6 8. Bg2 d6 9. e3 Bg4 10. Nge2 Qd7 11. h3 Bxe2 12. Nxe2 b6 13. b4 0-0 14. 0-0 a5 15. a3 Rfb8 16. Nc3 axb4 17. axb4 Qc8 18. Qb2 Kf8 19. Rxa8 Rxa8 20. Ra1 Ke7 21. Nb5 Rxa1+ 22. Qxa1 e4 23. Na7 Qb7 24. Nc6+ Kf8 25. b5 Qc8 26. Qb1 Qe8 27. Qc2 Ne5 28. Nd4 Nd3 29. Bf1 Nc5 30. Qa2 Qc8 31. Kh2 g6 32. Qb2 Nfd7 33. Nc6 f6 34. h4 Ne5 35. Nxe5 fxe5 36. Qa2 Ke7 37. Qa7 Qb7 38. Qxb7 Nxb7 39. Bg2 Na5 40. Bxe4 Nxc4 41. Kh3 Kf6 42. h5 Nd2 43. Bc2 e4 44. hxg6 hxg6 45. Kg4 Ke5 46. Kg5 Kxd5 47. Kxg6 c5 48. bxc6 Kxc6 49. g4 d5 50. g5 Nf3 51. Kf6 Nxg5 52. Kxg5 Kc5 53. Kf5 b5 54. Ke5 Kc4 55. Bd1 b4 56. Ba4 b3 57. Bxb3+ 1-0

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.13"]
[Round "2"]
[White "Castano Tapasco, Santiago"]
[Black "Orozco, Nelson"]
[Result "0-1"]
[ECO "C61"]
[BlackElo "1680"]
[PlyCount "30"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 Nd4 4. Bc4 b5 5. Bd5 c6 6. Bxf7+ Kxf7 7. d3 Nxf3+ 8. Qxf3+ Qf6 9. Nd2 d5 10. Nb3 a5 11. Bd2 a4 12. Na5 Bc5 13. Qg3 Ne7 14. 0-0-0 d4 15. Rhe1 Bb6 0-1

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.13"]
[Round "3"]
[White "Orozco, Nelson"]
[Black "Sanchez, Carlos Andres"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1680"]
[BlackElo "1761"]
[PlyCount "22"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. Nh3 d5 2. g3 e5 3. c4 Nf6 4. Bg2 Nc6 5. cxd5 Nxd5 6. Nc3 Nxc3 7. bxc3 Be6 8. Qa4 Bd5 9. e4 Be6 10. 0-0 Be7 11. f4 Bd7 1-0

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.12"]
[Round "1"]
[White "Orozco, Nelson"]
[Black "Garces Trujillo, Luis Javier"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1680"]
[BlackElo "1978"]
[PlyCount "71"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. Nh3 d5 2. g3 e5 3. c4 Nf6 4. Bg2 Nc6 5. cxd5 Nxd5 6. Qb3 Ndb4 7. Na3 Be6 8. Qa4 Be7 9. d3 0-0 10. Bd2 f6 11. Nc4 b5 12. Qxb5 Nd4 13. Qa4 Nbc2+ 14. Kd1 Nxa1 15. e3 Bg4+ 16. Kc1 Ndc2 17. Nxe5 Bxh3 18. Nc6 Qd6 19. Bxh3 Rae8 20. Qc4+ Kh8 21. Nxa7 c5 22. Bg2 Rd8 23. Be4 f5 24. Bf3 Qxd3 25. Qxd3 Rxd3 26. Bd1 Rfd8 27. Bc3 Nb4 28. a3 Na2+ 29. Kb1 Rxd1+ 30. Rxd1 Rxd1+ 31. Kxa2 Nc2 32. Kb3 Na1+ 33. Kc4 Rd8 34. a4 Nc2 35. a5 Ra8 36. Nc6 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2011.06.26"]
[Round "10"]
[White "Guzman, Pedro Juan"]
[Black "Orozco, Nelson"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2001"]
[PlyCount "147"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Bg4 4. Be2 h5 5. c3 a6 6. Be3 e5 7. Nbd2 Nf6 8. h3 Bd7 9. 0-0 Qc8 10. Nh2 g6 11. f4 Bh6 12. dxe5 dxe5 13. Rf3 Bg7 14. fxe5 Nxe5 15. Rf1 0-0 16. Nhf3 Nxf3+ 17. Bxf3 Be6 18. Bd4 Nh7 19. Bxg7 Kxg7 20. Qe1 Re8 21. Qg3 Qd7 22. Nb3 Bxb3 23. axb3 c6 24. Rae1 Qd3 25. Qc7 Qb5 26. b4 Rac8 27. Qf4 Qe5 28. Qxe5+ Rxe5 29. Rd1 Nf6 30. Rfe1 Rce8 31. Rd4 R8e7 32. h4 Kh6 33. Kf2 Nd7 34. g3 Nb6 35. b3 Nd7 36. Rd6 Nf8 37. Red1 Ne6 38. Rd7 Nc7 39. Rxe7 Rxe7 40. Bg2 Nb5 41. c4 Nc7 42. Kf3 Kg7 43. Bh3 Kf6 44. Ke3 Ne6 45. Bxe6 Kxe6 46. Kf4 f6 47. Rd8 Kf7 48. c5 Kg7 49. Rd6 Kf7 50. Rd4 Kf8 51. Rd6 Kf7 52. Rd8 Kg7 53. Rd6 Kg8 54. Rd8+ Kf7 55. Rd6 g5+ 56. hxg5 fxg5+ 57. Kf5 h4 58. gxh4 gxh4 59. Rh6 Ke8 60. Rxh4 Kd7 61. e5 Rf7+ 62. Ke4 Rf1 63. Rh7+ Kc8 64. e6 Re1+ 65. Kf5 Rf1+ 66. Ke5 Rf3 67. Kd6 Rf8 68. e7 Rg8 69. Rh6 Kb8 70. Kd7 Rg7 71. Kd8 Rxe7 72. Kxe7 b6 73. Kd6 a5 74. Kxc6 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2011.06.26"]
[Round "9"]
[White "Orozco, Nelson"]
[Black "Duque, Arnel Alberto"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1919"]
[PlyCount "20"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nh3 d5 2. g3 Nc6 3. Bg2 e6 4. d3 Bd6 5. Nd2 Bd7 6. c4 d4 7. a3 e5 8. Qb3 Qc8 9. f4 a5 10. Qc2 e4 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2011.06.25"]
[Round "7"]
[White "Orozco, Nelson"]
[Black "Trujillo, Fernando"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "38"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nh3 d5 2. g3 e5 3. c4 d4 4. Qb3 Nc6 5. Bg2 h6 6. a3 a5 7. d3 a4 8. Qb5 Nge7 9. b4 Bd7 10. Qxb7 Ra7 11. Qb5 f6 12. f4 Na5 13. Qc5 Nec6 14. Qb5 Nxb4 15. axb4 Bxb5 16. cxb5 Nb3 17. Bc6+ Kf7 18. fxe5 Bxb4+ 19. Kd1 Nxa1 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2011.06.25"]
[Round "8"]
[White "Paniagua, David"]
[Black "Orozco, Nelson"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1826"]
[PlyCount "38"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d3 e5 3. Nbd2 f5 4. g3 Nf6 5. Bg2 e4 6. dxe4 fxe4 7. Ng5 d5 8. 0-0 h6 9. Nh3 g5 10. e3 Be6 11. Kh1 Qd7 12. Ng1 Bc5 13. Nb3 Bb6 14. Ne2 Ne5 15. Nbd4 Bg4 16. f3 exf3 17. Nxf3 Nc4 18. Qd3 Ne4 19. Nd2 Bf5 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2011.06.24"]
[Round "5"]
[White "Orozco, Nelson"]
[Black "Salgado Arcila, Martin Andres"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "29"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nh3 c5 2. g3 d6 3. Bg2 e6 4. d3 a6 5. c4 Bd7 6. Bxb7 Ra7 7. Qb3 Rxb7 8. Qxb7 Bc6 9. Qa7 Bxh1 10. f3 Bg2 11. Nf4 Bh1 12. Kf2 e5 13. Nd5 Nc6 14. Nc7+ Qxc7 15. Qxc7 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2011.06.24"]
[Round "6"]
[White "Pelaez, Hernan"]
[Black "Orozco, Nelson"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1928"]
[PlyCount "62"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 Nc6 2. g3 d6 3. Bg2 e5 4. Nc3 Nf6 5. Nh3 Bd7 6. 0-0 h6 7. f3 g5 8. e3 Qc8 9. Nf2 Bg7 10. Nfe4 Bh3 11. Nxf6+ Bxf6 12. Nd5 Bg7 13. Bxh3 Qxh3 14. Nxc7+ Kd7 15. Nxa8 Rxa8 16. Qb3 Nd8 17. Qd3 b6 18. Rb1 Rc8 19. b3 f5 20. Ba3 Bf8 21. Rbc1 Ne6 22. Qd5 h5 23. Rf2 Be7 24. d4 Nc7 25. Qb7 exd4 26. exd4 Bf6 27. Rg2 Re8 28. f4 gxf4 29. gxf4 Bxd4+ 30. Kh1 Bf6 31. Kg1 Bd4+ 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2011.06.22"]
[Round "2"]
[White "Orozco, Nelson"]
[Black "Rodriguez, German Enrique"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "2011"]
[PlyCount "34"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nh3 d5 2. g3 Nf6 3. c4 d4 4. Bg2 e5 5. Qb3 Nc6 6. d3 Bd6 7. Bg5 h6 8. Bxf6 Qxf6 9. Nd2 a5 10. a3 a4 11. Qc2 g5 12. Ne4 Qg6 13. e3 Bd7 14. 0-0-0 g4 15. Ng1 f5 16. Nd2 Be7 17. Ne2 Bg5 0-1

[Event "Bogota op"]
[Site "Bogota"]
[Date "1990.??.??"]
[Round "1"]
[White "Orozco, Nelson"]
[Black "Garcia Alarcon, Alvaro"]
[Result "0-1"]
[ECO "A31"]
[BlackElo "2210"]
[PlyCount "80"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. c4 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. e4 d6 8. Qc2 Nf6 9. Bd3 0-0 10. 0-0 Nd7 11. Rb1 a5 12. b3 Nc5 13. Be2 e5 14. Be3 Ne6 15. Rfd1 Nd4 16. Bxd4 exd4 17. Na4 c5 18. Bf3 Ra7 19. Nb2 f5 20. Nd3 Kh8 21. Re1 fxe4 22. Bxe4 Raf7 23. Bd5 Rf5 24. Re2 Rh5 25. g3 Bg4 26. Ree1 g5 27. Re4 Bf5 28. g4 Bxe4 29. gxh5 Bxd5 30. cxd5 Qe8 31. Qd1 Qe4 32. Rb2 Qxd5 33. Qg4 Qf3 34. Qxf3 Rxf3 35. Rd2 g4 36. Kg2 Bh6 37. Rd1 Rh3 38. Ne1 Bf4 39. Rd3 Rxh2+ 40. Kg1 Rxh5 0-1

