[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Guzman Guacas, Daniel Stiven"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1236"]
[BlackElo "1477"]
[PlyCount "59"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d3 Nf6 5. Nc3 Bc5 6. 0-0 d6 7. Be3 Bb6 8. Na4 Na5 9. b3 Bg4 10. h3 Bh5 11. Re1 0-0 12. Qd2 Nxc4 13. bxc4 Bxf3 14. gxf3 Qd7 15. Re2 Qxa4 16. Rae1 Bxe3 17. fxe3 c5 18. h4 Rab8 19. Kh2 b5 20. Kh3 bxc4 21. dxc4 Qxc4 22. h5 Rfd8 23. Kg2 Rb6 24. Rd1 Nxh5 25. Kf1 d5 26. exd5 Rg6 27. Qc1 Ng3+ 28. Kg1 Nxe2+ 29. Kf1 Nxc1+ 30. Ke1 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "4"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Gomez Araque, Laura Sofia"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1328"]
[BlackElo "1173"]
[PlyCount "60"]
[EventDate "2023.08.03"]
[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 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Nc3 Nf6 5. d3 Nc6 6. Bg5 e6 7. 0-0 Be7 8. Qe2 a6 9. Ba4 0-0 10. Rae1 Rb8 11. a3 Qc7 12. b4 cxb4 13. axb4 Nxb4 14. Bxd7 Qxd7 15. Rc1 Rfc8 16. Nh4 h6 17. Bf4 Rxc3 18. Qd2 Rbc8 19. Rfd1 Qa4 20. g3 Rxc2 21. Rxc2 Rxc2 22. Qc1 Rxc1 23. Rxc1 g5 24. Bxg5 hxg5 25. Nf3 Nxd3 26. Rd1 Qxd1+ 27. Kg2 g4 28. Ng5 Ne1+ 29. Kf1 Nf3+ 30. Kg2 Qg1# 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.04"]
[Round "3"]
[White "Campo Jimenez, David"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1316"]
[BlackElo "1328"]
[PlyCount "27"]
[EventDate "2023.08.03"]
[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. Ba4 Bc5 5. c3 d6 6. h3 Nf6 7. d3 0-0 8. 0-0 Qe8 9. Bg5 h6 10. Bxf6 gxf6 11. Nh4 Qe7 12. Bb3 Kh8 13. Qh5 Rg8 14. Qxh6# 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.03"]
[Round "1"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Hernandez, Deyner Andres"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1328"]
[BlackElo "1593"]
[PlyCount "32"]
[EventDate "2023.08.03"]
[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 c5 2. Nf3 g6 3. d3 Bg7 4. Nc3 d6 5. e5 dxe5 6. Bg5 Nc6 7. Ne2 Qb6 8. Qc1 e4 9. dxe4 Bxb2 10. Qxb2 Qxb2 11. Rc1 Bg4 12. a4 Rd8 13. h3 Bxf3 14. gxf3 Nb4 15. c3 Nd3+ 16. Kd1 Nxc1+ 0-1

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.10"]
[Round "4.8"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Oyola, Fernando"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1487"]
[BlackElo "1607"]
[PlyCount "33"]
[EventDate "2019.05.08"]
[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 d5 2. e5 d4 3. d3 Nc6 4. Nf3 e6 5. Nbd2 Na5 6. Be2 c5 7. Ne4 Nc6 8. Bg5 Qc7 9. 0-0 Bd7 10. Bh4 Nxe5 11. Bg3 Nxf3+ 12. Kh1 Ne5 13. Qd2 Nh6 14. Qf4 Nf5 15. Qxe5 Nxg3+ 16. Nxg3 Qxe5 17. Rad1 0-1

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.10"]
[Round "5.10"]
[White "Sierra, Henry Alberto"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1509"]
[BlackElo "1487"]
[PlyCount "41"]
[EventDate "2019.05.08"]
[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 e5 2. dxe5 Nc6 3. Nf3 d5 4. exd6 cxd6 5. Bg5 Nf6 6. Nc3 Bg4 7. e3 Qa5 8. Bxf6 gxf6 9. Be2 Rd8 10. a3 d5 11. Nd4 Nb8 12. Bxg4 Rg8 13. Bf3 h5 14. Bxh5 Rxg2 15. Qf3 Rg5 16. h4 Rg7 17. 0-0-0 Nd7 18. Nxd5 a6 19. Nf5 Rg8 20. Qe4+ Ne5 21. Nxf6# 1-0

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.09"]
[Round "3.7"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Alvarez Mendoza, Rafael"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1487"]
[BlackElo "1519"]
[PlyCount "64"]
[EventDate "2019.05.08"]
[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. Nc3 e6 3. d4 d5 4. e5 Nd7 5. Nf3 Be7 6. Bf4 Qb6 7. Qc1 Bb4 8. a3 Bxc3+ 9. bxc3 Ne7 10. Rb1 Qa5 11. Bd2 Qc7 12. Bf4 Ng6 13. Bg3 c5 14. c4 Qa5+ 15. Qd2 Qxa3 16. Bd3 cxd4 17. cxd5 exd5 18. 0-0 0-0 19. Rfe1 Nc5 20. Rb5 Nxd3 21. Rd1 Nb2 22. Rb1 Nc4 23. Qxd4 Nb6 24. Qd1 Bf5 25. Ra1 Qe7 26. Rba5 a6 27. Bh4 Nxh4 28. Nxh4 Qxh4 29. g3 Qe7 30. f3 Qxe5 31. f4 Qe3+ 32. Kh1 Be4+ 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.11"]
[Round "5.18"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Bastidas Noguera, Efren Albeiro"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1562"]
[BlackElo "1564"]
[PlyCount "32"]
[EventDate "2018.11.09"]
[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. d3 c6 4. Nc3 Be6 5. Bg5 Qb6 6. Qd2 Qxb2 7. Rb1 Qa3 8. Rb3 Bxb3 9. cxb3 Nd7 10. Be2 Ngf6 11. 0-0 h6 12. Bh4 0-0-0 13. Bg3 Re8 14. Nh4 Rg8 15. Nf5 g6 16. Nxd6+ Bxd6 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.10"]
[Round "3.19"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Astudillo Escobar, Jose Fernando"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1562"]
[BlackElo "1460"]
[PlyCount "51"]
[EventDate "2018.11.09"]
[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 e6 2. Nc3 Bb4 3. Bd2 Nf6 4. e4 Bxc3 5. Bxc3 Nxe4 6. Ne2 0-0 7. f3 Nf6 8. Ng1 Re8 9. Bd3 Nd5 10. Ba5 Qh4+ 11. g3 Qxd4 12. Ne2 Qxb2 13. 0-0 Ne3 14. Qe1 Nxf1 15. Qxf1 b6 16. Rb1 Qf6 17. Bxh7+ Kxh7 18. Qh3+ Qh6 19. Qf1 bxa5 20. Nf4 e5 21. Nd5 Ba6 22. Qg2 Qd6 23. Rd1 Qc5+ 24. Qf2 Qxf2+ 25. Kxf2 Rc8 26. g4 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.10"]
[Round "4.18"]
[White "Pena Castro, Francisco"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "1524"]
[BlackElo "1562"]
[PlyCount "19"]
[EventDate "2018.11.09"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bxd4 7. Nxd4 Nxd4 8. Qxd4 0-0 9. 0-0 d6 10. Bg5 1-0

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.09"]
[Round "2.11"]
[White "Daza, Fernando"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1869"]
[BlackElo "1562"]
[PlyCount "47"]
[EventDate "2018.11.09"]
[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. Bg5 h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 e6 6. Nf3 Nc6 7. Nc3 Bb4 8. Bd3 Qe7 9. 0-0 0-0 10. Nb5 a6 11. Nc3 b6 12. Qe2 Bb7 13. Nb1 Na5 14. Ne5 Bc6 15. a3 Bd6 16. Bxa6 Ra7 17. b4 Nh5 18. bxa5 Rfa8 19. Nxc6 Rxa6 20. Nxe7+ Kf8 21. Qxh5 Bxg3 22. Nxd5 c6 23. fxg3 cxd5 24. Qxf7# 1-0

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.09"]
[Round "1.10"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Franco Perez, William"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1562"]
[BlackElo "1647"]
[PlyCount "31"]
[EventDate "2018.11.09"]
[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 Nf6 2. Nc3 g6 3. e3 Bg7 4. Bb5 a6 5. Ba4 b5 6. Bb3 Bb7 7. Nge2 Bxg2 8. Rg1 Bb7 9. e4 Nxe4 10. Nxe4 Bxe4 11. Nf4 e6 12. f3 Bb7 13. Bd2 Nc6 14. Qe2 Nxd4 15. Qd1 Ne2 16. Nxe2 0-1

[Event "Caqueta Florencia op"]
[Site "Caqueta"]
[Date "2016.12.02"]
[Round "3"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Perez, Juan Sebastian"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1476"]
[PlyCount "66"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bc4 Bc5 5. 0-0 d6 6. d3 Bg4 7. Bg5 0-0 8. Nd5 Nd4 9. Nxf6+ gxf6 10. Bh4 Nxf3+ 11. Kh1 Nxh4 12. Qxg4+ Ng6 13. b4 Bxb4 14. Rab1 a5 15. Rbc1 b6 16. c3 Bc5 17. Rb1 c6 18. Qh3 d5 19. exd5 cxd5 20. Bb3 d4 21. cxd4 exd4 22. Rbe1 Re8 23. Rxe8+ Qxe8 24. Qh6 Qe2 25. Rc1 Re8 26. h3 Bd6 27. g3 Kh8 28. Kh2 Qxf2+ 29. Kh1 Re1+ 30. Rxe1 Qxe1+ 31. Kh2 Bxg3+ 32. Kg2 Qf2+ 33. Kh1 Qh2# 0-1

[Event "Caqueta Florencia op"]
[Site "Caqueta"]
[Date "2016.12.01"]
[Round "1"]
[White "Valencia Lopez, Daily Vanessa"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "1591"]
[PlyCount "57"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. 0-0 Nf6 8. f4 Bd6 9. e5 Be7 10. exf6 Bxf6 11. Re1+ Be7 12. Qe2 0-0 13. Qxe7 Qxe7 14. Rxe7 a6 15. Bc4 b5 16. Bb3 a5 17. Nc3 b4 18. Ne4 Bb7 19. Ng5 Rfe8 20. Bxf7+ Kf8 21. Rxe8+ Rxe8 22. Bxe8 Kxe8 23. Nxh7 Be4 24. Ng5 Bxc2 25. Bd2 Kf8 26. Rc1 Bg6 27. Rxc7 Bf5 28. Be3 Kg8 29. Rc8# 1-0

[Event "Villamaria op 2nd"]
[Site "Villamaria"]
[Date "2016.07.04"]
[Round "6"]
[White "Valencia Jimenez, Alejandro"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1571"]
[BlackElo "1566"]
[PlyCount "43"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bc4 Bb7 7. c3 Qe7 8. Nd2 0-0-0 9. 0-0 Nf6 10. Qc2 Nh5 11. b4 Bd6 12. a4 Bxh2+ 13. Kxh2 Qh4+ 14. Kg1 a6 15. b5 cxb5 16. axb5 axb5 17. Bxb5 h6 18. Qd3 Bc6 19. Ba6+ Bb7 20. Bxb7+ Kxb7 21. Qa6+ Kb8 22. Qa8# 1-0

[Event "Villamaria op 2nd"]
[Site "Villamaria"]
[Date "2016.07.03"]
[Round "3"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Zuluaga Alzate, Gustavo"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1566"]
[BlackElo "1647"]
[PlyCount "14"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 a6 4. 0-0 b5 5. Qe2 bxc4 6. e5 Bb7 7. Nh4 Qxh4 0-1

[Event "Villamaria op 2nd"]
[Site "Villamaria"]
[Date "2016.07.02"]
[Round "2"]
[White "Marin Ortiz, Orlando"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1951"]
[BlackElo "1566"]
[PlyCount "15"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. Nf3 Nc6 2. e4 e5 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d5 6. Qxd5 Bd7 7. Bc4 Ne7 8. Qxf7# 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.08"]
[Round "8"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Mesa, Francisco Sr"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1551"]
[PlyCount "37"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c6 3. Bf4 e6 4. Qd3 Nf6 5. 0-0-0 Bd6 6. Bg5 b6 7. Qe3 0-0 8. Nf3 Be7 9. g4 Nxg4 10. Qd2 Nxf2 11. Bh3 Nxh3 12. Ne5 Bxg5 13. Rhf1 Bxd2+ 14. Kxd2 Ng5 15. h4 Ne4+ 16. Nxe4 dxe4 17. Rg1 Qxd4+ 18. Kc1 Qxe5 19. Rd4 0-1

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.08"]
[Round "7"]
[White "Pertuz Mercado, Manuel Jose"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1874"]
[PlyCount "29"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 d6 4. Bc4 Nf6 5. Nxd4 Bd7 6. Nc3 Nc6 7. Bg5 Qe7 8. 0-0 0-0-0 9. Re1 Rg8 10. Nd5 Qe6 11. Nxe6 Bxe6 12. Bxf6 Re8 13. Bc3 g5 14. Nf6 Rh8 15. Nxe8 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.06"]
[Round "5"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Arnedo, Jhon"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1842"]
[PlyCount "46"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. e4 Nxe4 3. Qe2 d5 4. Bf4 e6 5. Nc3 Bb4 6. 0-0-0 Bxc3 7. bxc3 0-0 8. Nh3 Nd7 9. g4 Nxc3 10. Qe3 Nxd1 11. Kxd1 c5 12. Bd3 cxd4 13. Qe2 e5 14. Bxe5 Nxe5 15. Bb5 Bxg4 16. Qxg4 Nxg4 17. Re1 Qh4 18. Re2 Qxh3 19. Re1 Nxf2+ 20. Kc1 Qa3+ 21. Kb1 Ne4 22. Rd1 Nc3+ 23. Ka1 Qxa2# 0-1

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.05"]
[Round "2"]
[White "Gonzalez Ospina, Juan Guillermo"]
[Black "Echavarria, Gustavo"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1934"]
[PlyCount "16"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e3 b6 4. Bc4 Bb7 5. e4 Bb4 6. Qd2 Nxe4 7. Qe2 Nxc3 8. Bd2 Nxe2 0-1

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.04"]
[Round "1"]
[White "Gaviria Galvis, Andres Felipe"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2071"]
[PlyCount "37"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 e6 3. Nc3 Bd7 4. Be3 Nc6 5. f4 Qe7 6. Nf3 Nf6 7. Qd2 0-0-0 8. 0-0-0 g6 9. h3 Bg7 10. g4 Na5 11. e5 dxe5 12. fxe5 Ng8 13. Bd3 Bc6 14. Rhf1 Rf8 15. Nb5 h6 16. Qxa5 b6 17. Nxa7+ Kb7 18. Qa6+ Ka8 19. Nxc6# 1-0

