[Event "COL-ch U2000"]
[Site "Medellin"]
[Date "2016.??.??"]
[Round "2.24"]
[White "Palechor, Cesar Augusto"]
[Black "Yosa, Jhonny"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1789"]
[BlackElo "1953"]
[PlyCount "75"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Bd3 Nbd7 8. 0-0 e6 9. Bf4 Be7 10. c4 Bxd3 11. Qxd3 0-0 12. Rac1 c5 13. Rfd1 Qb6 14. d5 exd5 15. cxd5 Rfd8 16. Qc4 Ne8 17. Nf5 Bd6 18. b3 Kf8 19. Bxd6+ Nxd6 20. Qg4 Nxf5 21. Qxf5 Qg6 22. Qxg6 hxg6 23. Rc4 f6 24. Rf4 Nb6 25. d6 Rd7 26. Ne5 Rdd8 27. Nxg6+ Kf7 28. Ne5+ Kg8 29. Nc4 Nxc4 30. Rxc4 b6 31. Re4 Rd7 32. g3 Rad8 33. Re6 Kf7 34. Rde1 a6 35. Kg2 a5 36. Kf3 b5 37. Re7+ Kf8 38. R1e6 1-0

[Event "COL-ch U2000"]
[Site "Medellin"]
[Date "2016.??.??"]
[Round "4.35"]
[White "Penas Burgos, Nestor"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1747"]
[BlackElo "1953"]
[PlyCount "66"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Bd3 Qxd4 6. Nf3 Qd8 7. Bg5 Bxe4 8. Bxe4 Qxd1+ 9. Rxd1 Nf6 10. Bxf6 gxf6 11. 0-0 Nd7 12. c3 e6 13. Rfe1 Bc5 14. b4 Bb6 15. a4 Rd8 16. a5 Bc7 17. Nd4 Be5 18. a6 Bxd4 19. cxd4 b6 20. Bxc6 Ke7 21. f4 f5 22. d5 Nb8 23. Bb5 Rd6 24. Bc4 Rc8 25. Rd4 Nc6 26. dxe6 Nxd4 27. exf7+ Kf8 28. Ba2 Nc2 29. Rc1 Rcd8 30. Kf1 Rd1+ 31. Rxd1 Rxd1+ 32. Ke2 Ra1 33. Be6 Nd4+ 0-1

[Event "COL-ch U2000"]
[Site "Medellin"]
[Date "2016.??.??"]
[Round "8.21"]
[White "Yosa, Jhonny"]
[Black "Garcia Pulgarin, Juan F"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1953"]
[BlackElo "1758"]
[PlyCount "88"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b4 d6 2. Nf3 Nf6 3. e3 g6 4. Bb2 Bg7 5. Be2 Nbd7 6. 0-0 c5 7. b5 a5 8. a4 0-0 9. d3 Nb6 10. c4 h6 11. Qc2 Be6 12. Nbd2 Qc7 13. Rac1 Nbd7 14. Rfe1 d5 15. cxd5 Nxd5 16. Bxg7 Kxg7 17. Qb2+ f6 18. Bf1 Nb4 19. d4 b6 20. e4 Bg4 21. e5 e6 22. exf6+ Nxf6 23. dxc5 Rad8 24. cxb6 Qxb6 25. Nc4 Qb8 26. Nce5 Bxf3 27. Nxf3 Qd6 28. Qb3 Nfd5 29. Ne5 Rf5 30. Nc6 Rdf8 31. Nxb4 Qxb4 32. Qxb4 axb4 33. f3 Ra8 34. Bd3 Rf6 35. Be4 Rxa4 36. Bxd5 exd5 37. Red1 Rd6 38. Rd4 Rb6 39. Rc5 Ra1+ 40. Kf2 b3 41. Rcxd5 b2 42. Rd7+ Kf6 43. Rf4+ Ke6 44. Rff7 Rd6 0-1

[Event "COL-ch U2000"]
[Site "Medellin"]
[Date "2016.??.??"]
[Round "3.32"]
[White "Yosa, Jhonny"]
[Black "Orozco Santos, Federico"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1953"]
[BlackElo "1822"]
[PlyCount "44"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[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. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d3 Bg4 7. Nbd2 Ne7 8. Nc4 b5 9. Ne3 Bh5 10. b3 0-0 11. Bb2 f5 12. Qd2 f4 13. Nd1 Bxf3 14. gxf3 Rf6 15. Kh1 Rh6 16. Rg1 Ng6 17. Rg4 Nh4 18. Qe2 Qe8 19. Kg1 Qh5 20. Kf1 Ng6 21. Ke1 Qh3 22. Qf1 Qxf3 0-1

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.21"]
[Round "7"]
[White "Trujillo Urriago, Karen Jo"]
[Black "Yosa, Jhonny"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1585"]
[BlackElo "1953"]
[PlyCount "49"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. 0-0 0-0 6. d3 d6 7. h3 Be6 8. Nd5 Na5 9. b4 Bxd5 10. bxa5 Bxc4 11. dxc4 Nxe4 12. Qd5 Nf6 13. Qxb7 Rb8 14. Qc6 Rb4 15. Nd2 h5 16. Ba3 Rb8 17. Bxc5 dxc5 18. Rfd1 Qe7 19. Nb3 Rfd8 20. Rxd8+ Rxd8 21. Nxc5 Rd2 22. a6 Nd7 23. Nb3 Rxc2 24. Qa8+ Kh7 25. Qe4+ 1-0

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.19"]
[Round "3"]
[White "Martinez, Luis Hernando"]
[Black "Yosa, Jhonny"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1832"]
[BlackElo "1953"]
[PlyCount "87"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h3 e6 5. Nf3 c5 6. c3 Nc6 7. Be2 cxd4 8. cxd4 Bb4+ 9. Nc3 Nge7 10. 0-0 Rc8 11. Na4 0-0 12. a3 Ba5 13. Nc5 Rc7 14. Be3 Bb6 15. Na4 Rc8 16. b4 a6 17. Rc1 Ba7 18. Qd2 Be4 19. Nc5 Bxc5 20. Rxc5 Bxf3 21. Bxf3 Qd7 22. g4 Rc7 23. Rfc1 Rfc8 24. Be2 Na7 25. R1c3 Rxc5 26. bxc5 Qa4 27. Bd1 Qa5 28. Rd3 Qxd2 29. Bxd2 Nec6 30. a4 Rb8 31. f4 b6 32. cxb6 Rxb6 33. Kf2 Kf8 34. Ke3 Rb1 35. Bc2 Rh1 36. Ke2 Nc8 37. f5 g6 38. fxe6 fxe6 39. Bc3 Nb6 40. Rf3+ Ke7 41. Ke3 Nc4+ 42. Kf4 Kf7 43. Bd3 Rh2 44. Kg3+ 1-0

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.18"]
[Round "2"]
[White "Yosa, Jhonny"]
[Black "Gutierrez, Carlos"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1953"]
[BlackElo "1854"]
[PlyCount "90"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d3 a6 6. a4 axb5 7. axb5 Rxa1 8. Bxa1 Bb4+ 9. Nd2 Bxd2+ 10. Qxd2 c5 11. c4 dxc4 12. dxc4 Qxd2+ 13. Kxd2 Nd7 14. Kc3 Nb6 15. Nf3 Ne7 16. Be2 Nf5 17. Nd2 Nd6 18. Bb2 Na4+ 19. Kb3 Nxb2 20. Kxb2 Kd7 21. Ra1 Kc7 22. Kc3 g5 23. Ra4 h5 24. Bd3 h4 25. Ra1 g4 26. Ne4 Nxe4+ 27. Bxe4 f5 28. Bd3 Rf8 29. Ra2 Bc8 30. g3 hxg3 31. fxg3 f4 32. exf4 exf4 33. gxf4 Rxf4 34. Re2 Rf3 35. Kd2 g3 36. Be4 Ra3 37. hxg3 Rxg3 38. Bd5 Kd6 39. Re8 Bd7 40. Rd8 Kc7 41. Rf8 Kd6 42. Rf6+ Kc7 43. Rf7 Kd8 44. Rf8+ Kc7 45. Rf7 b6 1/2-1/2

[Event "Huila Region-ch Amateur"]
[Site "Neiva"]
[Date "2015.01.25"]
[Round "5.2"]
[White "Gomez, Carlos Alberto1111"]
[Black "Yosa, Jhonny"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1695"]
[BlackElo "1953"]
[PlyCount "53"]
[EventDate "2015.01.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 e6 7. Bd3 Bd6 8. Bxd6 Qxd6 9. f4 a6 10. Nf3 0-0 11. 0-0 Bd7 12. Ne5 g6 13. Rc1 Rac8 14. Qf3 Rc7 15. g4 Ne8 16. g5 f6 17. gxf6 Rxf6 18. Kh1 Ng7 19. Rg1 Qf8 20. Ng4 Ne7 21. Nxf6+ Qxf6 22. Qh3 Ngf5 23. Bxf5 Nxf5 24. Ne4 Qd8 25. Rxc7 Qxc7 26. Nf6+ Kg7 27. Qxh7+ 1-0

[Event "Huila Region-ch Amateur"]
[Site "Neiva"]
[Date "2015.01.25"]
[Round "3.1"]
[White "Torrente, Alejandro Josue"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1712"]
[BlackElo "1953"]
[PlyCount "60"]
[EventDate "2015.01.24"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qe2 Qd5 16. c4 Qe4 17. Qxe4 Nxe4 18. Be3 f5 19. g3 Bg5 20. Nxg5 hxg5 21. d5 cxd5 22. cxd5 e5 23. Rh2 Kd7 24. Kb1 f4 25. Bc1 Nf6 26. Rg1 Ng4 27. Rhh1 Nxf2 28. Rh2 Ne4 29. gxf4 exf4 30. Re2 Rae8 0-1

[Event "Huila Region-ch Amateur"]
[Site "Neiva"]
[Date "2015.01.24"]
[Round "1.2"]
[White "Arteaga, Jose Hender"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1621"]
[BlackElo "1953"]
[PlyCount "64"]
[EventDate "2015.01.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. Nf3 Be7 6. e3 0-0 7. Be2 b6 8. 0-0 Bb7 9. Rc1 Nbd7 10. Qc2 Rc8 11. Rfd1 h6 12. Bh4 Re8 13. Ne5 dxc4 14. Bxc4 Qc7 15. Bg3 Bd6 16. f4 Red8 17. Bb3 Qb8 18. Bh4 Be7 19. Qe2 c5 20. Nxd7 Rxd7 21. dxc5 Rxd1+ 22. Rxd1 Bxc5 23. Bxf6 gxf6 24. Na4 Bf8 25. Qg4+ Bg7 26. f5 Qe5 27. fxe6 Qxe3+ 28. Kh1 Rc1 29. exf7+ Kh7 30. f8N+ Kh8 31. Ng6+ Kh7 32. Nh4 Qe1+ 0-1

[Event "Huila Region-ch Amateur"]
[Site "Neiva"]
[Date "2015.01.24"]
[Round "2.2"]
[White "Yosa, Jhonny"]
[Black "Calderon Zuta, Nicolas"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1953"]
[BlackElo "1725"]
[PlyCount "99"]
[EventDate "2015.01.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 Re8 6. 0-0 d6 7. c4 e5 8. d4 e4 9. Nfd2 c6 10. Nc3 d5 11. cxd5 cxd5 12. Rc1 Be6 13. Qb3 Nbd7 14. Nb5 Rf8 15. Rc2 a6 16. Nc3 b5 17. a4 bxa4 18. Qxa4 a5 19. b5 Nb6 20. Qa2 Qd7 21. Ba3 Rfc8 22. Bc5 Qb7 23. Na4 Nxa4 24. Qxa4 Nd7 25. Nb3 Nb6 26. Nxa5 Nxa4 27. Nxb7 Bf8 28. Rfc1 Nxc5 29. dxc5 Rc7 30. c6 Rb8 31. Nc5 Bxc5 32. Rxc5 Kf8 33. Ra1 Ke7 34. Ra6 Kd6 35. Rc1 Bc8 36. Ra3 Rb6 37. Rca1 h5 38. Ra7 Be6 39. Kf1 f6 40. Ke1 g5 41. Kd2 f5 42. Kc3 h4 43. Kd4 Rxa7 44. Rxa7 Rb8 45. Rg7 g4 46. Rg6 Rb6 47. Rxe6+ Kxe6 48. Kc5 Rb8 49. c7 Rc8 50. Kc6 1-0

[Event "COL-ch Amateur"]
[Site "Colombia"]
[Date "2014.03.14"]
[Round "6"]
[White "Cayon, Diego Mauricio"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1992"]
[BlackElo "1953"]
[PlyCount "65"]
[EventDate "2014.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. g3 dxc4 5. a4 Nd5 6. Bg2 Nxc3 7. bxc3 Qa5 8. Qc2 Nd7 9. Nf3 e6 10. 0-0 Be7 11. Nd2 Nb6 12. e4 0-0 13. e5 Rb8 14. Bb2 Bd7 15. f4 c5 16. Ne4 Bc6 17. Ng5 Bxg5 18. fxg5 Bxg2 19. Qxg2 cxd4 20. cxd4 Nd5 21. Qe4 Qd2 22. Bc1 Qd3 23. Qxd3 cxd3 24. Rd1 Rfc8 25. Rxd3 Rc2 26. Rd2 Rbc8 27. Rxc2 Rxc2 28. Ba3 h6 29. gxh6 gxh6 30. a5 Rd2 31. Bd6 Rxd4 32. Bb8 b6 33. Kg2 0-1

[Event "COL-ch Amateur"]
[Site "Colombia"]
[Date "2014.03.14"]
[Round "5"]
[White "Yosa, Jhonny"]
[Black "Moreno, Julian David"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1953"]
[BlackElo "1853"]
[PlyCount "48"]
[EventDate "2014.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. Nc3 Bd6 6. 0-0 Bg4 7. d3 h6 8. Be3 0-0 9. Ne2 Qd7 10. Qd2 Nh7 11. Ng3 f5 12. Nxf5 Bxf5 13. exf5 Rxf5 14. Qe2 Qf7 15. Nd2 Nf6 16. Kh1 Nd5 17. Ne4 Rf8 18. Kg1 Qg6 19. a4 b6 20. g3 Nf6 21. Nxf6+ Qxf6 22. a5 h5 23. axb6 axb6 24. Ra4 Rf3 1-0

[Event "COL-ch Amateur"]
[Site "Colombia"]
[Date "2014.03.13"]
[Round "4"]
[White "Acosta Cruz, Luis Ivan"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1835"]
[BlackElo "1953"]
[PlyCount "35"]
[EventDate "2014.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. e4 d5 4. e5 Ng4 5. d4 h5 6. h3 Nh6 7. Qxh5 dxc4 8. Be3 b5 9. Qf3 Bb7 10. Nxb5 Qb6 11. Nc3 Qxb2 12. Rc1 e6 13. Bxh6 c5 14. Qe2 Qxe2+ 15. Ngxe2 Rxh6 16. Nb5 Na6 17. Rxc4 cxd4 18. Nexd4 0-1

[Event "COL-ch Amateur"]
[Site "Colombia"]
[Date "2014.03.12"]
[Round "1"]
[White "Yosa, Jhonny"]
[Black "Herrera Rincon, Wilene"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1953"]
[BlackElo "1693"]
[PlyCount "48"]
[EventDate "2014.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. Nge2 e5 6. 0-0 Bg4 7. d3 Be7 8. Qe1 0-0 9. f4 exf4 10. Nxf4 Qd7 11. Be3 Rad8 12. h3 Be6 13. Kh1 Rfe8 14. Qg3 Bd6 15. Qf2 b6 16. Rad1 Qc7 17. b3 Be5 18. Nce2 Re7 19. Nxe6 Rxe6 20. Nf4 Red6 21. Qf3 Nd7 22. Nh5 Nf8 23. Bf4 Bxf4 24. Qxf4 Ne6 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "5"]
[White "Florez, Luis Angel"]
[Black "Yosa, Jhonny"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2015"]
[PlyCount "81"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Bb4 13. c3 Be7 14. c4 Qc7 15. 0-0-0 Ngf6 16. Ne4 Nxe4 17. Qxe4 Nf6 18. Qe2 0-0 19. g4 Nh7 20. Kb1 c5 21. dxc5 Qxc5 22. Ne5 Rfd8 23. f4 Bf6 24. Bc3 Rxd1+ 25. Rxd1 Rc8 26. Qe4 Bxe5 27. Bxe5 f6 28. Bc3 Qxc4 29. Qxb7 Qc7 30. Rd7 Qxb7 31. Rxb7 Ra8 32. b4 a6 33. Kb2 Nf8 34. a4 Rc8 35. Kb3 Rc6 36. b5 axb5 37. axb5 Rd6 38. Bb4 Rd5 39. Rb8 Rd4 40. Rxf8+ Kh7 41. b6 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Yosa, Jhonny"]
[Black "Agudelo, Carlos Hernan"]
[Result "1/2-1/2"]
[ECO "B23"]
[BlackElo "2055"]
[PlyCount "79"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Bb5 a6 4. Be2 b5 5. Nf3 Bb7 6. e5 d6 7. 0-0 Qc7 8. exd6 Bxd6 9. h3 Nf6 10. d4 0-0 11. dxc5 Bxc5 12. Bd3 Nbd7 13. Qe2 Rac8 14. Ne4 Ba7 15. Nxf6+ Nxf6 16. Bg5 Qg3 17. Qe5 Qxe5 18. Nxe5 Rfd8 19. Rad1 Bd4 20. Ng4 Bxb2 21. Nxf6+ gxf6 22. Bh4 Bd5 23. Rb1 Be5 24. a4 bxa4 25. Rb4 a3 26. Rg4+ Kh8 27. Re1 Bc3 28. Bxa6 h5 29. Rg3 Bb2 30. Rxa3 Bxa3 31. Bxf6+ Kg8 32. Re5 Kf8 33. Rxh5 Ke8 34. Bb5+ Bc6 35. Bxc6+ Rxc6 36. Rh8+ Bf8 37. Bxd8 Kxd8 38. Rxf8+ Ke7 39. Rg8 Rxc2 40. h4 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "3"]
[White "Aldana, Omar"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1886"]
[PlyCount "90"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. g3 d5 4. d4 dxc4 5. Bg2 Nd5 6. e4 Nxc3 7. bxc3 b5 8. a4 Bb7 9. e5 Qc7 10. Rb1 e6 11. f4 Be7 12. Ne2 0-0 13. 0-0 a6 14. Kh1 Rd8 15. h3 c5 16. axb5 axb5 17. Qc2 b4 18. Be3 b3 19. Qc1 Bxg2+ 20. Kxg2 Ra2 21. Rf2 Qc6+ 22. Kg1 Rc2 23. Qf1 Qe4 24. f5 Qxe3 25. fxe6 Rxe2 26. exf7+ Kf8 27. Qxe2 Qxe2 28. Rxe2 Kxf7 29. e6+ Kf6 30. Rf1+ Kg6 31. Rf7 Nc6 32. Re4 h5 33. g4 h4 34. dxc5 Rd1+ 35. Rf1 Rxf1+ 36. Kxf1 b2 37. Re1 Bf6 38. Ke2 Bxc3 39. Rb1 Kf6 40. Kd1 Kxe6 41. Kc2 Bd4 42. Rf1 Nb4+ 43. Kb1 c3 44. Re1+ Kd5 45. Re2 c2+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.04"]
[Round "1"]
[White "Hernandez, Oscar Eduardo"]
[Black "Yosa, Jhonny"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2023"]
[PlyCount "94"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Nf6 8. 0-0 Bd6 9. f4 0-0 10. f5 exf5 11. Nxf5 Bc7 12. Neg3 b5 13. Bb3 Bb6 14. Bg5 c5 15. Bd5 Nbd7 16. Bxa8 Qxa8 17. Ne7+ Kh8 18. Nxg6+ hxg6 19. dxc5 Nxc5 20. Bxf6 gxf6 21. Kh1 Kg7 22. Qg4 Rh8 23. Rae1 Qd8 24. Nf5+ Kf8 25. Rd1 Qb8 26. Ng3 Bc7 27. Qd4 Bxg3 28. Qxc5+ Kg7 29. h3 Qe8 30. Qc3 Be5 31. Qb3 Qc6 32. Rf3 g5 33. Rd5 g4 34. Rfd3 Rh6 35. c3 Qe6 36. Rd7 Qe8 37. Kg1 gxh3 38. gxh3 Bh2+ 39. Kf2 Rg6 40. Qd5 Rg1 41. Rd1 Rg5 42. Qf3 Qe6 43. R7d5 Rg3 44. Qxg3+ Bxg3+ 45. Kxg3 Qe3+ 46. Kg4 Qe4+ 47. Kg3 Qe3+ 1/2-1/2

[Event "Huila op 3rd"]
[Site "Huila"]
[Date "2013.11.18"]
[Round "6.3"]
[White "Yosa, Jhonny"]
[Black "Casagua, Misael"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1689"]
[BlackElo "1622"]
[PlyCount "54"]
[EventDate "2013.11.15"]
[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 Nf6 2. e5 Nd5 3. Na3 Nb6 4. Nf3 g6 5. Nc4 Bg7 6. b3 Nxc4 7. bxc4 d6 8. d4 Nc6 9. Bf4 Bg4 10. Be2 0-0 11. exd6 cxd6 12. c3 e5 13. Bg5 Qa5 14. Bd2 Qc7 15. Be3 Na5 16. Nd2 Be6 17. d5 Bd7 18. 0-0 Rac8 19. Rb1 b6 20. Qc2 Bf5 21. Bd3 Bxd3 22. Qxd3 f5 23. f4 e4 24. Qc2 Nxc4 25. Bd4 Na3 26. Qb2 Nxb1 27. Bxg7 Nxd2 0-1

[Event "Huila op 3rd"]
[Site "Huila"]
[Date "2013.11.17"]
[Round "5.5"]
[White "Calderon Zuta, Nicolas"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1568"]
[BlackElo "1689"]
[PlyCount "100"]
[EventDate "2013.11.15"]
[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 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 e6 9. Bf4 Ngf6 10. 0-0 Be7 11. Rfe1 0-0 12. Rad1 Qb6 13. b3 c5 14. Ne5 Rfd8 15. Nc4 Qa6 16. Qc3 Rac8 17. Qb2 Nf8 18. Ne4 cxd4 19. Ned6 Bxd6 20. Nxd6 Rc6 21. Rxd4 Rcxd6 22. Bxd6 Rxd6 23. Ra4 Qb6 24. Qc3 Nd5 25. Qd4 Qxd4 26. Rxd4 Rd7 27. a4 h6 28. g3 Nf6 29. Rb4 Rc7 30. Re2 N8d7 31. Rd4 Kf8 32. c4 Nc5 33. Re3 Rd7 34. Rxd7 Nfxd7 35. a5 b6 36. b4 Na6 37. b5 Nac5 38. axb6 axb6 39. f4 f6 40. Kf2 e5 41. fxe5 Nxe5 42. Ra3 Nxc4 43. Ra8+ Ke7 44. Ra7+ Nd7 45. Ra4 Nd6 46. Rb4 Nf8 47. Rb1 Ne6 48. Ke3 Nc7 49. Kd4 Ndxb5+ 50. Kd3 Kd6 0-1

[Event "Huila op 3rd"]
[Site "Huila"]
[Date "2013.11.16"]
[Round "3.4"]
[White "Bolivar, Jeison"]
[Black "Yosa, Jhonny"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2086"]
[BlackElo "1689"]
[PlyCount "87"]
[EventDate "2013.11.15"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Kb1 c5 14. Ne4 Nxe4 15. Qxe4 cxd4 16. Nxd4 Nf6 17. Qxb7 Rc8 18. Nc6 Qc7 19. Qxc7 Rxc7 20. Nxe7 Rxe7 21. f3 Rb7 22. c4 0-0 23. Bc3 Nh7 24. b3 Rc8 25. Kc2 Nf8 26. g4 Nh7 27. f4 Nf6 28. Bxf6 gxf6 29. Rd6 Kh7 30. Rhd1 Kg7 31. Rd7 Rcc7 32. Rxc7 Rxc7 33. Kc3 e5 34. f5 Rc8 35. Rd7 Ra8 36. b4 Kf8 37. c5 Ke8 38. c6 Rc8 39. b5 a6 40. a4 axb5 41. axb5 Ra8 42. Kb4 Ra1 43. b6 Rb1+ 44. Kc5 1-0

[Event "Huila op 3rd"]
[Site "Huila"]
[Date "2013.11.16"]
[Round "2.2"]
[White "Yosa, Jhonny"]
[Black "Puentes, Alvaro"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1689"]
[BlackElo "2112"]
[PlyCount "76"]
[EventDate "2013.11.15"]
[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 d6 3. d4 Nf6 4. Bg5 Nbd7 5. Bc4 Be7 6. Nc3 c6 7. 0-0 0-0 8. dxe5 dxe5 9. Qe2 b5 10. Bd3 Qc7 11. Nd1 a6 12. Ne3 Nc5 13. Bxf6 Bxf6 14. Rad1 g6 15. b3 Ne6 16. c4 b4 17. Qb2 Nc5 18. Bb1 a5 19. Rd2 Be6 20. Rfd1 Rfe8 21. h3 Rab8 22. Ng4 Bxg4 23. hxg4 Rbd8 24. Rxd8 Rxd8 25. Rxd8+ Qxd8 26. Qe2 Qd6 27. Ne1 Ne6 28. Qd3 Qc7 29. g3 Be7 30. Kg2 Bc5 31. Qd2 Bd4 32. Nf3 Qd8 33. Bc2 Bc3 34. Qxd8+ Nxd8 35. Ng1 f6 36. Ne2 Kf7 37. a3 Ke7 38. axb4 Bxb4 0-1

[Event "Huila op 3rd"]
[Site "Huila"]
[Date "2013.11.15"]
[Round "1.5"]
[White "Herrera, Cristobal"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "1689"]
[PlyCount "84"]
[EventDate "2013.11.15"]
[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 c6 2. Nf3 d5 3. e5 Bg4 4. d4 e6 5. c3 Ne7 6. Bd3 c5 7. a3 cxd4 8. cxd4 Nbc6 9. Be3 Nf5 10. Nbd2 Nfxd4 11. Bxd4 Bh5 12. Qa4 Be7 13. 0-0 0-0 14. h3 a6 15. Rac1 b5 16. Qc2 Nxd4 17. Nxd4 Bg6 18. Bxg6 hxg6 19. N2f3 Qb6 20. Nc6 Rfe8 21. Nxe7+ Rxe7 22. b4 a5 23. Qc6 Rb7 24. Qxb6 Rxb6 25. bxa5 Rxa5 26. Rc3 Rba6 27. Nd4 Ra8 28. Rb1 Rxa3 29. Rxa3 Rxa3 30. Nxb5 Ra4 31. f3 f6 32. exf6 gxf6 33. Nc7 Kf7 34. Rb6 Ra1+ 35. Kf2 Ra2+ 36. Kg3 Re2 37. Rb7 Kf8 38. Nb5 e5 39. Nd6 f5 40. h4 d4 41. Rb3 e4 42. Nc4 Ke7 0-1

[Event "Huila Region-ch Amateur"]
[Site "Neiva"]
[Date "2013.09.21"]
[Round "2.6"]
[White "Herrera, Cristobal"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "B11"]
[BlackElo "1689"]
[PlyCount "49"]
[EventDate "2013.09.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. e5 e6 5. d4 c5 6. Be2 Nc6 7. Be3 Bxf3 8. Bxf3 cxd4 9. Bxd4 Nge7 10. g4 Ng6 11. Be2 a6 12. Qd2 Ngxe5 13. f4 Nxd4 14. Qxd4 Qh4+ 15. Qf2 Qxf2+ 16. Kxf2 Bc5+ 17. Kg3 Ng6 18. Rhf1 0-0-0 19. h4 Ne7 20. Bd3 g6 21. h5 Nc6 22. a3 Kb8 23. Ne2 Bd6 24. g5 e5 25. fxe5 0-1

[Event "Huila Region-ch Amateur"]
[Site "Neiva"]
[Date "2013.09.21"]
[Round "1.8"]
[White "Yosa, Jhonny"]
[Black "Garay Poveda, Magnolia Isabel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1689"]
[PlyCount "43"]
[EventDate "2013.09.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 Qe7 4. Nc3 Nd7 5. Bc4 Ngf6 6. Nge2 c6 7. dxe6 fxe6 8. 0-0 b5 9. Bb3 Nc5 10. e5 Nfe4 11. d4 b4 12. Nxe4 Nxe4 13. Qc2 Ba6 14. Qxc6+ Kf7 15. Qxa8 Ng5 16. Bxg5 Qxg5 17. Qxa7+ Qe7 18. Qxa6 Ke8 19. Rac1 Qd8 20. Qxe6+ Be7 21. Qf7+ Kd7 22. Ba4# 1-0

[Event "Huila Region-ch Amateur"]
[Site "Neiva"]
[Date "2013.09.21"]
[Round "3.3"]
[White "Yosa, Jhonny"]
[Black "Perez, Oscar Mauricio"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1689"]
[BlackElo "1643"]
[PlyCount "44"]
[EventDate "2013.09.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. exf5 e4 4. Ne5 Qf6 5. Qh5+ g6 6. fxg6 hxg6 7. Qxg6+ Qxg6 8. Nxg6 Rh7 9. Nxf8 Kxf8 10. Nc3 Nf6 11. d3 d5 12. dxe4 dxe4 13. Bg5 Rf7 14. Bxf6 Rxf6 15. Nxe4 Rb6 16. 0-0-0 Nc6 17. Bc4 Bf5 18. f3 Re8 19. Rhe1 Na5 20. Bd3 c5 21. Nxc5 Rxe1 22. Rxe1 Bc8 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.11"]
[Round "9"]
[White "Morales Rivera, Luis Eduardo"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1954"]
[PlyCount "60"]
[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. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h5 7. g5 e6 8. Ne2 Ne7 9. Nf4 Bf5 10. c3 c5 11. Bd3 g6 12. Be3 cxd4 13. cxd4 Bxd3 14. Qxd3 Nf5 15. Nc3 Nc6 16. Bf2 Be7 17. Nfe2 Rc8 18. 0-0 a6 19. Rac1 Nb4 20. Qd2 Qa5 21. Kh2 0-0 22. a3 Nc6 23. Kh3 b5 24. Nb1 Qb6 25. Rfd1 Nxe5 26. Ng1 Nc4 27. Qe2 Qd6 28. b3 Nce3 29. Re1 Qf4 30. Nd2 Bd6 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.11"]
[Round "10"]
[White "Yosa, Jhonny"]
[Black "Martinez, Mauricio"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "2002"]
[PlyCount "51"]
[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. b4 d5 2. Bb2 Nf6 3. Nf3 g6 4. e3 Bg7 5. Be2 a5 6. b5 c5 7. a4 b6 8. d3 Nbd7 9. Nbd2 0-0 10. 0-0 Qc7 11. c4 e6 12. h3 Bb7 13. Qc2 e5 14. cxd5 Nxd5 15. Nc4 Rad8 16. Rfd1 Rfe8 17. Rd2 e4 18. dxe4 Nb4 19. Qb3 Bxb2 20. Qxb2 Bxe4 21. Nd6 Re6 22. Nxf7 Bxf3 23. Nh6+ Kf8 24. Qh8+ Ke7 25. Qg7+ Ke8 26. Qf7# 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.10"]
[Round "8"]
[White "Yosa, Jhonny"]
[Black "Estevez, Carlos Ariel"]
[Result "1-0"]
[ECO "C68"]
[BlackElo "1832"]
[PlyCount "37"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nxe5 Bxe4 9. Re1 Qd5 10. d3 0-0-0 11. Nc3 Qxe5 12. Rxe4 Qf6 13. Qe2 Bc5 14. Be3 Bxe3 15. Qxe3 Qg6 16. Qa7 Qf6 17. Qa8+ Kd7 18. Qxb7 Ne7 19. Qxa6 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.09"]
[Round "7"]
[White "Yosa, Jhonny"]
[Black "Cruz Salazar, Emeterio"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "7"]
[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. b4 d5 2. Bb2 e6 3. Nf3 Bxb4 4. Bxg7 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.08"]
[Round "6"]
[White "Casallas Abril, Dario Hernan"]
[Black "Yosa, Jhonny"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1989"]
[PlyCount "59"]
[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. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Qc7 13. 0-0-0 Ngf6 14. Rhe1 0-0-0 15. Qb3 Bd6 16. Ne4 Bf4 17. Qa3 Nxe4 18. Rxe4 Bxd2+ 19. Rxd2 Nf6 20. Re5 Kb8 21. Rd3 Rd5 22. Rxd5 exd5 23. Re3 Ne4 24. Ne5 Re8 25. Nd3 Qd6 26. Rxe4 Qd8 27. Rxe8 Qxe8 28. Qd6+ Kc8 29. Qe5 Qf8 30. Qf5+ 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "3"]
[White "Fraile Vela, Maria Isabel"]
[Black "Yosa, Jhonny"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2017"]
[PlyCount "22"]
[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. e4 c6 2. Nf3 d5 3. d3 Bg4 4. Be2 e6 5. Bg5 Be7 6. Bf4 Nf6 7. h3 Bh5 8. e5 Nfd7 9. g4 Bg6 10. Nc3 Qb6 11. Na4 Qb4+ 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "4"]
[White "Yosa, Jhonny"]
[Black "Velandia, Oscar Ricardo"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "1847"]
[PlyCount "37"]
[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. b4 Nf6 2. Bb2 g6 3. e3 Bg7 4. Nf3 d6 5. Be2 0-0 6. 0-0 a6 7. c4 c5 8. d3 cxb4 9. Qb3 Nc6 10. Nbd2 a5 11. a3 bxa3 12. Qxa3 Bd7 13. Nd4 Nxd4 14. Bxd4 Bc6 15. Rab1 Nd7 16. Nb3 a4 17. Bxg7 axb3 18. Qxa8 Qxa8 19. Bxf8 0-1

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.05"]
[Round "9"]
[White "Yosa, Jhonny"]
[Black "Castellanos, Alvaro"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "47"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 d5 5. e3 Be7 6. Be2 c5 7. 0-0 0-0 8. d3 Nc6 9. Bb2 Qb6 10. Ba3 a6 11. Nbd2 Qc7 12. c4 Bd7 13. Bb2 b5 14. cxd5 Nxd5 15. a3 Bf6 16. Qc2 Bxb2 17. Qxb2 h6 18. Rac1 Nce7 19. Ne4 Qb6 20. Rxc5 Rac8 21. Rxc8 Rxc8 22. Rc1 Rxc1+ 23. Qxc1 Qc6 24. Qc5 0-1

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.04"]
[Round "7"]
[White "Yosa, Jhonny"]
[Black "Roa, Luis Fernando"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "53"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e6 2. c4 Bc5 3. d4 Bb6 4. Nf3 f6 5. Bd2 g5 6. h3 Nc6 7. c5 Ba5 8. d5 Bxd2+ 9. Nbxd2 exd5 10. exd5 Qe7+ 11. Be2 Nb4 12. 0-0 Qxc5 13. Re1 Ne7 14. Ne4 Qb6 15. d6 Ned5 16. a3 0-0 17. axb4 Nf4 18. Bc4+ Kg7 19. Nexg5 fxg5 20. Re7+ Kh6 21. Nxg5 Qxd6 22. Rxh7+ Kg6 23. Qc2+ Kxg5 24. h4+ Kg4 25. Rg7+ Kxh4 26. Qh7+ Nh5 27. g3+ 1-0

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.03"]
[Round "5"]
[White "Yosa, Jhonny"]
[Black "Aguilar, Hernando"]
[Result "0-1"]
[ECO "C41"]
[BlackElo "1840"]
[PlyCount "65"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. Nc3 c6 5. Bb3 Bg4 6. h3 Bh5 7. d3 Nd7 8. Bd2 Ngf6 9. Qe2 b5 10. a3 Nc5 11. Ba2 a5 12. b4 axb4 13. axb4 Ne6 14. 0-0 g5 15. Bxe6 fxe6 16. Qe3 Be7 17. Nh2 0-0 18. Ne2 Qc7 19. Ng3 Bg6 20. c4 d5 21. cxb5 d4 22. Qe2 cxb5 23. Rfc1 Rxa1 24. Rxa1 Qc2 25. Rc1 Qb3 26. Qe1 Qxd3 27. Qe2 Bxe4 28. Qxd3 Bxd3 29. Rc7 Nd5 30. Rc6 Kf7 31. Ng4 Bf6 32. Nxh6+ Ke7 33. Ng4 0-1

