[Event "Calle Region-ch U1700"]
[Site "Calle"]
[Date "2020.02.22"]
[Round "2.13"]
[White "Villamizar, Cristian Camilo"]
[Black "Blanco Coba, Sergio Alberto"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1504"]
[BlackElo "1569"]
[PlyCount "35"]
[EventDate "2020.02.21"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nc6 6. Nc3 Nf6 7. a3 d5 8. Bd3 e5 9. Nxc6 bxc6 10. Bg5 d4 11. Ne2 h6 12. Bh4 Be7 13. 0-0 0-0 14. c3 c5 15. Qd2 dxc3 16. Qxc3 Nxe4 17. Bxe4 Bxh4 18. Bxa8 1-0

[Event "Calle Region-ch U1700"]
[Site "Calle"]
[Date "2020.02.21"]
[Round "1.10"]
[White "Celis Palencia, William"]
[Black "Blanco Coba, Sergio Alberto"]
[Result "1-0"]
[ECO "A85"]
[BlackElo "1569"]
[PlyCount "51"]
[EventDate "2020.02.21"]
[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 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e3 0-0 6. Bd3 d6 7. b3 Qe8 8. Bb2 Nc6 9. Rc1 e5 10. Bb1 h6 11. 0-0 g5 12. Re1 Qh5 13. Nb5 Ng4 14. h3 Nf6 15. Nh2 f4 16. Qxh5 Nxh5 17. Nxc7 Rb8 18. dxe5 Bxe5 19. Bxe5 Nxe5 20. Rcd1 Rf6 21. exf4 Nxf4 22. Nb5 Nf7 23. Re8+ Kg7 24. Rde1 Re6 25. R1xe6 Bxe6 26. Rxb8 1-0

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.29"]
[Round "7"]
[White "Blanco Coba, Sergio Alberto"]
[Black "Rodriguez Munoz, Luis Hernando"]
[Result "1-0"]
[ECO "A21"]
[BlackElo "1581"]
[PlyCount "74"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 Bxc3 5. bxc3 0-0 6. d4 Re8 7. Nf3 c6 8. Nxe5 d6 9. Nf3 Ne4 10. Bb2 Qb6 11. Rb1 Bg4 12. Nh4 Ng5 13. f3 Bh3 14. Bxh3 Nxh3 15. f4 Qa6 16. Qd3 Nd7 17. Ng2 Nb6 18. g4 Qxc4 19. Qxc4 Nxc4 20. Bc1 Re7 21. Rb4 Ree8 22. e3 b5 23. Rf1 a5 24. Rb1 a4 25. Rf3 g5 26. Rxh3 gxf4 27. Nxf4 Kh8 28. g5 Nxe3 29. Kf2 Nd1+ 30. Kg3 Nxc3 31. Rb2 a3 32. Rg2 Nd1 33. g6 Ne3 34. Rxh7+ Kg8 35. Nh5 fxg6 36. Nf6+ Kf8 37. Nxe8 Rxe8 1-0

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.28"]
[Round "4"]
[White "Blanco Coba, Sergio Alberto"]
[Black "Jaimes Franco, Francisco Javier"]
[Result "1/2-1/2"]
[ECO "A04"]
[BlackElo "1429"]
[PlyCount "40"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 b6 2. b3 Bb7 3. Bb2 f6 4. e3 e5 5. Nc3 e4 6. Nd4 Bb4 7. Nf5 Bf8 8. Bc4 Ne7 9. Nxe7 Qxe7 10. Nd5 Bxd5 11. Bxd5 c6 12. Bc4 b5 13. Be2 g6 14. 0-0 Bg7 15. c4 a6 16. d4 exd3 17. Qxd3 Ra7 18. Bd4 c5 19. Bb2 b4 20. Rfe1 0-0 1/2-1/2

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.28"]
[Round "5"]
[White "Quintero Plata, Diego Armando"]
[Black "Blanco Coba, Sergio Alberto"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1600"]
[PlyCount "63"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Nc3 c5 6. Bb5+ Nd7 7. dxc5 Bxc5 8. 0-0 h6 9. h3 a6 10. Bd3 Bxd3 11. Qxd3 Nb6 12. b3 Qd7 13. Be3 Bxe3 14. Qxe3 Nc8 15. Rfd1 Nge7 16. Ne4 0-0 17. Qxh6 gxh6 18. Nf6+ Kg7 19. Nxd7 Rd8 20. Nf6 Kh8 21. c4 Nb6 22. c5 Nd7 23. b4 Nxf6 24. exf6 Nf5 25. Ne5 Rf8 26. Rac1 Rac8 27. a4 Rc7 28. b5 a5 29. b6 Rcc8 30. c6 bxc6 31. Rxc6 Rxc6 32. Nxc6 1-0

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.27"]
[Round "2"]
[White "Blanco Coba, Sergio Alberto"]
[Black "Navarro, Luis Eduardo"]
[Result "1/2-1/2"]
[ECO "E70"]
[BlackElo "1653"]
[PlyCount "44"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Bd3 c6 7. 0-0 a6 8. Bg5 b5 9. b3 h6 10. Bd2 Nfd7 11. Qc1 Kh7 12. Re1 e5 13. Ne2 Bb7 14. Ng3 Re8 15. Bc3 exd4 16. Bxd4 Ne5 17. Be2 Nxf3+ 18. Bxf3 Nd7 19. Bxg7 Kxg7 20. Qc3+ Qf6 21. Qxf6+ Nxf6 22. Rad1 Rad8 1/2-1/2

