[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.02"]
[Round "4"]
[White "Diaz Malaver, Cesar Emilio"]
[Black "Lopez Marin, Johnier Andres"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "1692"]
[PlyCount "74"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. b3 d6 8. Bb2 Nbd7 9. Nc3 Ne4 10. Nd2 Nxc3 11. Bxc3 Bxg2 12. Kxg2 c5 13. Qc2 Nf6 14. Rad1 Qc7 15. e4 cxd4 16. Bxd4 Rac8 17. Qb2 Rfd8 18. f3 Ne8 19. e5 d5 20. Rc1 Qb7 21. Rfd1 Qa6 22. Bf2 Ba3 23. Qa1 Bxc1 24. Rxc1 dxc4 25. Ne4 cxb3 26. axb3 Qxa1 27. Rxa1 Rd7 28. Ra3 f5 29. exf6 Nxf6 30. Ng5 Rc6 31. f4 h6 32. Nf3 Rc2 33. Kf1 Ng4 34. Be1 Nxh2+ 35. Nxh2 Rxh2 36. Bf2 Rd2 37. Rxa7 Rhxf2+ 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "2"]
[White "Carrillo Riano, Karen Sofia"]
[Black "Lopez Marin, Johnier Andres"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1457"]
[PlyCount "58"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 c6 3. Nf3 Nd7 4. Bc4 e5 5. dxe5 dxe5 6. Be3 Be7 7. Nc3 Ngf6 8. 0-0 0-0 9. a3 Qc7 10. Qd2 b5 11. Ba2 a5 12. b4 axb4 13. axb4 Bb7 14. Rab1 Kh8 15. Ng5 Kg8 16. f3 h6 17. Nh3 Ra3 18. Nf2 Rd8 19. Nd3 Nf8 20. Qe1 Bc8 21. Rb3 Ra8 22. Rb1 Be6 23. Bxe6 Nxe6 24. Qg3 Ra3 25. Ne2 Ra2 26. Nec1 Rxc2 27. Nxe5 Bd6 28. Ncd3 Rc3 29. Bxh6 Rxd3 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "3"]
[White "Lopez Marin, Johnier Andres"]
[Black "Ortega Leon, Jaime"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1581"]
[PlyCount "65"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nd2 Nc6 3. c3 e6 4. g3 b6 5. Bg2 Bb7 6. f4 Qd7 7. Ngf3 Bd6 8. e4 0-0-0 9. e5 Bf8 10. 0-0 Kb8 11. b4 Nge7 12. Nb3 Nc8 13. Be3 h6 14. Qd3 f5 15. a4 N6e7 16. Rfb1 Ng8 17. Nc5 Qf7 18. a5 Rh7 19. axb6 cxb6 20. Nxb7 Qxb7 21. Bd2 Qf7 22. c4 dxc4 23. Qxc4 Qd7 24. Be3 Nge7 25. d5 Nxd5 26. Bf2 Qc7 27. Qf1 Bxb4 28. Rc1 Qe7 29. Nd4 Rd7 30. Nc6+ Ka8 31. Nxb4 g5 32. Rxc8+ Kb7 33. Qa6# 1-0

