[Event "Santander Norte op"]
[Site "Santander"]
[Date "2019.10.13"]
[Round "5"]
[White "Corzo Arocha, David"]
[Black "Madariaga Reyes, Nain"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1910"]
[PlyCount "81"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. c3 d6 5. d3 h6 6. Be3 Bb6 7. Nbd2 Nf6 8. 0-0 Be6 9. Bxe6 fxe6 10. Qc2 0-0 11. Rad1 Bxe3 12. fxe3 Ng4 13. Rde1 d5 14. Qb3 Qd6 15. exd5 exd5 16. e4 Qc5+ 17. d4 exd4 18. Qxd5+ Qxd5 19. exd5 dxc3 20. bxc3 Nd8 21. Re7 Rc8 22. c4 Nf7 23. Ne4 Ne3 24. Nf6+ gxf6 25. Rxe3 Rfe8 26. Rfe1 Kf8 27. Kf2 Nd6 28. c5 Nf5 29. Re6 Kf7 30. g4 Ng7 31. Rxe8 Rxe8 32. Rxe8 Kxe8 33. Nd4 Kd7 34. Ke3 b6 35. c6+ Kd6 36. Ke4 Kc5 37. a4 a6 38. Nb3+ Kd6 39. Nd4 Kc5 40. Nb3+ Kb4 41. d6 1-0

[Event "Santander Norte op"]
[Site "Santander"]
[Date "2019.10.12"]
[Round "2"]
[White "Madariaga Reyes, Nain"]
[Black "Marino Acuna, Herman Humberto"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1910"]
[PlyCount "39"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nc6 5. Nf3 Qe7 6. 0-0 0-0-0 7. a3 h6 8. Be3 g5 9. d5 Nb8 10. Nb5 Ba6 11. Nxa7+ Kb7 12. Bxa6+ Nxa6 13. Nb5 Nc5 14. Nc3 e5 15. b4 Na6 16. Nd2 f5 17. exf5 Bg7 18. Nce4 d6 19. c4 Nf6 20. Qb1 1-0

[Event "Santander Norte op"]
[Site "Santander"]
[Date "2019.10.12"]
[Round "3"]
[White "Riveros Ramirez, William Alonso"]
[Black "Madariaga Reyes, Nain"]
[Result "0-1"]
[ECO "C30"]
[BlackElo "1910"]
[PlyCount "60"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Be6 5. Bb5 Bd7 6. f5 h6 7. a3 Nf6 8. Nc3 Be7 9. d3 a6 10. Bc4 b5 11. Bb3 Nd4 12. Nxd4 exd4 13. Ne2 c5 14. 0-0 Qb6 15. Kh1 Bc6 16. Qe1 c4 17. Ba2 0-0-0 18. Bd2 Rdf8 19. Ba5 Qa7 20. Qf2 d5 21. Nxd4 Bb7 22. e5 Bc5 23. Bc3 Ng4 24. Qf4 h5 25. h3 g5 26. Qxg5 Bxd4 27. Bxd4 Qxd4 28. dxc4 dxc4 29. Rae1 Rfg8 30. Qe7 Nf2+ 0-1

[Event "Santander Norte op"]
[Site "Santander"]
[Date "2019.10.11"]
[Round "1"]
[White "Gonzalez Silva, Freymar"]
[Black "Madariaga Reyes, Nain"]
[Result "0-1"]
[ECO "C48"]
[BlackElo "1910"]
[PlyCount "28"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. Bxc6+ bxc6 6. 0-0 Be7 7. b3 0-0 8. Qe2 a5 9. h3 Ba6 10. d3 Bb7 11. Qe3 h6 12. Qe2 Kh8 13. Ne1 Ng8 14. Nd1 d5 0-1

[Event "COL-ch Amateur U2000"]
[Site "Bogota"]
[Date "2018.02.17"]
[Round "4.12"]
[White "Builes Palacio, Santiago"]
[Black "Madariaga Reyes, Nain"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1856"]
[BlackElo "1962"]
[PlyCount "53"]
[EventDate "2018.02.15"]
[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 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 f6 8. exf6 Nxf6 9. Nf3 Bd6 10. Bf4 Qc7 11. Bxd6 Qxd6 12. 0-0 0-0 13. Ng3 e5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. Re1 Qd6 17. Qd2 h6 18. Re2 Bd7 19. Rae1 Rae8 20. Nf5 Bxf5 21. Bxf5 Rxe2 22. Rxe2 Re8 23. f3 Kf7 24. Qd3 Rxe2 25. Qxe2 Qe7 26. Qxe7+ Kxe7 27. Kf2 1/2-1/2

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.25"]
[Round "6"]
[White "Aguas, Jose Luis"]
[Black "Madariaga Reyes, Nain"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1902"]
[BlackElo "1918"]
[PlyCount "69"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Ne4 6. Bxe7 Qxe7 7. cxd5 Nxc3 8. bxc3 exd5 9. Bd3 Nd7 10. Nf3 Nf6 11. Ne5 0-0 12. 0-0 c5 13. Re1 c4 14. Bc2 Be6 15. a4 Nd7 16. Nxd7 Qxd7 17. e4 b6 18. exd5 Bxd5 19. Re5 g6 20. Qe2 f6 21. Re7 Rae8 22. Re1 Rxe7 23. Qxe7 Qxe7 24. Rxe7 Rf7 25. Re8+ Kg7 26. Rd8 Re7 27. f3 Re1+ 28. Kf2 Rc1 29. Rxd5 Rxc2+ 30. Kg3 Rxc3 31. Rd7+ Kh6 32. Rxa7 Rd3 33. Rb7 Rxd4 34. Rxb6 f5 35. Rc6 1/2-1/2

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.25"]
[Round "7"]
[White "Madariaga Reyes, Nain"]
[Black "Angarita Alvarez, Gissel Karine"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1918"]
[BlackElo "1598"]
[PlyCount "55"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 a6 5. Nc3 Nf6 6. f4 e6 7. Nf3 Nc6 8. Be3 d5 9. e5 Ne4 10. Bd3 Bb4 11. Qb3 b5 12. 0-0 Nxc3 13. bxc3 Be7 14. Nd2 Qc7 15. Rac1 Na5 16. Qd1 Nc4 17. Qf3 Nxe3 18. Qxe3 Bd7 19. f5 exf5 20. Bxf5 Bxf5 21. Rxf5 g6 22. Rf3 Rc8 23. Rcf1 Rf8 24. Qh6 Ba3 25. Qxh7 Bb2 26. Rxf7 Qxf7 27. Rxf7 Rxf7 28. Qxg6 1-0

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.24"]
[Round "3"]
[White "Madariaga Reyes, Nain"]
[Black "Franco Perez, William"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1918"]
[BlackElo "1737"]
[PlyCount "61"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. Be2 cxd4 7. cxd4 Bg4 8. Nc3 Qd8 9. d5 Bxf3 10. Bxf3 Ne5 11. Be2 g6 12. Bf4 Ned7 13. Qd2 Bg7 14. Bh6 0-0 15. Bxg7 Kxg7 16. h4 h5 17. 0-0-0 Rc8 18. Kb1 Nb6 19. f3 Qd7 20. g4 hxg4 21. h5 gxf3 22. hxg6 Rh8 23. Bb5 Qf5+ 24. Bd3 Qd7 25. Rhg1 Ng4 26. gxf7 Kf8 27. Qg5 Rc4 28. Bxc4 Nxc4 29. Rxg4 Qxg4 30. Qxg4 f2 31. Qxc4 1-0

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.24"]
[Round "5"]
[White "Madariaga Reyes, Nain"]
[Black "Suarez Pinto, Sergio Rafael"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "1918"]
[BlackElo "1824"]
[PlyCount "79"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Bb4 7. d3 0-0 8. 0-0 Bb7 9. Bg5 Be7 10. h3 d6 11. a3 h6 12. Be3 Na5 13. Ba2 c5 14. Nd2 d5 15. exd5 Nxd5 16. Bxd5 Bxd5 17. Nxd5 Qxd5 18. Qg4 f5 19. Qf3 Qe6 20. Nb1 c4 21. Bd2 Nc6 22. Bc3 cxd3 23. Qxd3 Rad8 24. Qe2 Bc5 25. Nd2 Bd4 26. Nb3 e4 27. Bxd4 Nxd4 28. Nxd4 Rxd4 29. Rad1 Rfd8 30. Rxd4 Rxd4 31. Rd1 Qd5 32. Rxd4 Qxd4 33. c3 Qd5 34. Kf1 Kf7 35. Ke1 f4 36. Qg4 g5 37. Qc8 Qe6 38. Qd8 e3 39. Qd4 exf2+ 40. Kxf2 1/2-1/2

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.24"]
[Round "4"]
[White "Velez Alvarez, Laura Camila"]
[Black "Madariaga Reyes, Nain"]
[Result "1/2-1/2"]
[ECO "C64"]
[WhiteElo "1860"]
[BlackElo "1918"]
[PlyCount "133"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nge7 5. c3 0-0 6. d4 exd4 7. cxd4 Bb6 8. d5 Nb8 9. Bd3 d6 10. Nc3 Bg4 11. h3 Bh5 12. g4 Bg6 13. h4 f6 14. h5 Bf7 15. Kh2 Nd7 16. Nh4 Ne5 17. Be2 Be8 18. f4 Nf7 19. Bd3 Bd7 20. Qf3 Qc8 21. Be2 Nh6 22. Nf5 Nhxf5 23. gxf5 Qe8 24. Qg3 h6 25. Qg2 Kh8 26. Nd1 c6 27. dxc6 bxc6 28. Be3 d5 29. Bxb6 axb6 30. Rg1 Rg8 31. Ne3 dxe4 32. Qg4 Nd5 33. Ng2 b5 34. Nh4 Ne7 35. Bd1 c5 36. a3 Qc8 37. Bc2 Bc6 38. Rae1 Qb7 39. Qe2 Rge8 40. Rg3 Qc7 41. Qg4 g5 42. hxg6 Kg7 43. Rge3 Nd5 44. Rxe4 Nxf4 45. Rxe8 Rxe8 46. Rxe8 Nd5+ 47. Qg3 Qxg3+ 48. Kxg3 Bxe8 49. Kf2 Bd7 50. Be4 Ne7 51. Ke3 Nc6 52. Bxc6 Bxc6 53. Nf3 h5 54. Nd2 h4 55. Kf4 h3 56. Kg3 Bd7 57. Nb3 Bxf5 58. Nxc5 Kxg6 59. Nb3 Kf7 60. Nd4 Bd7 61. b3 Ke7 62. a4 bxa4 63. bxa4 Kd6 64. a5 Kc5 65. Ne2 Kb5 66. Nf4 Kxa5 67. Nxh3 1/2-1/2

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.23"]
[Round "2"]
[White "Galvis, Carlos Alberto"]
[Black "Madariaga Reyes, Nain"]
[Result "1/2-1/2"]
[ECO "C64"]
[WhiteElo "1974"]
[BlackElo "1918"]
[PlyCount "82"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bb5 Nge7 5. d3 a6 6. Bc4 h6 7. 0-0 d6 8. Be3 Ba7 9. h3 Na5 10. Bb3 Nxb3 11. axb3 Bxe3 12. fxe3 0-0 13. Nh4 d5 14. Qf3 d4 15. exd4 Nc6 16. d5 Nd4 17. Qf2 Nxc2 18. Qxc2 Qxh4 19. Nd1 Qg5 20. Rf3 Qe7 21. Rc1 Bd7 22. Qc5 Qxc5+ 23. Rxc5 Rac8 24. Ne3 f6 25. Rf2 c6 26. Rfc2 Kf7 27. b4 Ke7 28. Kf2 g6 29. Ke2 f5 30. dxc6 Bxc6 31. exf5 gxf5 32. Rxe5+ Kd7 33. Kf2 f4 34. Nc4 Rg8 35. Nb6+ Kd6 36. Nc4+ Kc7 37. Kf1 Rg3 38. Na5 Rxd3 39. Nxc6 bxc6 40. b5 axb5 41. Rxb5 f3 1/2-1/2

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.23"]
[Round "1"]
[White "Madariaga Reyes, Nain"]
[Black "Rico Hernandez, Edgar"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1918"]
[BlackElo "1857"]
[PlyCount "72"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Be2 e6 8. 0-0 Ngf6 9. c3 Bd6 10. Bg5 h6 11. Bd2 0-0 12. Qb3 Qb6 13. Qxb6 axb6 14. a3 b5 15. Ne1 Nd5 16. Nd3 N5b6 17. Rad1 Nc4 18. Bc1 Rfe8 19. f4 Bh7 20. Ne5 Ndb6 21. Nxc4 Nxc4 22. Bxc4 bxc4 23. Rfe1 Bc2 24. Rd2 Bd3 25. Rf2 Bc7 26. Ne4 Bxe4 27. Rxe4 Kf8 28. Rfe2 Rad8 29. Kf2 Rd5 30. g3 Rh5 31. Kf3 b5 32. h4 Rd5 33. g4 Red8 34. Be3 Kg8 35. Bf2 h5 36. g5 g6 1/2-1/2

