[Event "La Dorada op"]
[Site "La Dorada"]
[Date "2021.09.05"]
[Round "6"]
[White "Arias Betancur, Isaias"]
[Black "Molina Soto, Yefferson"]
[Result "1/2-1/2"]
[ECO "B13"]
[BlackElo "1504"]
[PlyCount "48"]
[EventDate "2021.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Bg4 6. Be2 e6 7. Bg5 Be7 8. 0-0 Nbd7 9. h3 Bh5 10. Re1 0-0 11. Qd2 Rc8 12. Rad1 a6 13. Bxf6 Nxf6 14. Ne5 Bxe2 15. Qxe2 b5 16. a3 Qc7 17. Nf3 Ne4 18. Nxe4 dxe4 19. Qxe4 Qxc2 20. Qxc2 Rxc2 21. Rb1 Rfc8 22. Ne5 Bf6 23. Nf3 Be7 24. Ne5 Bf6 1/2-1/2

[Event "La Dorada op"]
[Site "La Dorada"]
[Date "2021.09.05"]
[Round "5"]
[White "Velez, Luis Fernando"]
[Black "Arias Betancur, Isaias"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1709"]
[PlyCount "45"]
[EventDate "2021.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. a3 Nc6 4. d3 Nf6 5. Ne2 d5 6. exd5 exd5 7. Ba2 Bd6 8. Bg5 0-0 9. Bxd5 Re8 10. Nbc3 Bg4 11. f3 Bf5 12. 0-0 Be5 13. Be4 Bg6 14. Qc1 Qd6 15. Bf4 Nh5 16. Bxe5 Nxe5 17. f4 Ng4 18. h3 Ng3 19. Nxg3 Qd4+ 20. Kh1 Nf2+ 21. Kh2 Nxe4 22. Ncxe4 h5 23. f5 1-0

[Event "La Dorada op"]
[Site "La Dorada"]
[Date "2021.09.04"]
[Round "2"]
[White "Arias Betancur, Isaias"]
[Black "Mejia Guarin, Antonio"]
[Result "1/2-1/2"]
[ECO "B01"]
[BlackElo "1697"]
[PlyCount "63"]
[EventDate "2021.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d5 4. exd5 Qxd5 5. Nc3 Qd8 6. Bc4 Nh6 7. Bxh6 Bxh6 8. 0-0 0-0 9. Re1 Bg4 10. Nd5 e6 11. Ne3 Bxf3 12. Qxf3 c6 13. Ng4 Bg7 14. c3 Nd7 15. b4 h5 16. Ne3 Nb6 17. a4 e5 18. Red1 exd4 19. cxd4 Nxc4 20. Nxc4 Qe7 21. Rab1 Rad8 22. d5 cxd5 23. Rxd5 Rxd5 24. Qxd5 Rd8 25. Qf3 Rd4 26. Qb3 Qe2 27. Ne3 Rd2 28. Rf1 Bd4 29. b5 Bxe3 30. Qxe3 Qxe3 31. fxe3 Ra2 32. Rf4 1/2-1/2

[Event "La Dorada op"]
[Site "La Dorada"]
[Date "2021.09.04"]
[Round "4"]
[White "Arias Betancur, Isaias"]
[Black "Sanchez Reyes, Juan Sebastian"]
[Result "1-0"]
[ECO "D35"]
[BlackElo "1616"]
[PlyCount "51"]
[EventDate "2021.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 g6 8. Bd3 Bg7 9. 0-0 0-0 10. Re1 Re8 11. e4 dxe4 12. Bxe4 Nb6 13. Ne5 Nbd5 14. Bxd5 cxd5 15. Qb3 Be6 16. Qxb7 Rb8 17. Qxa7 Rxb2 18. Rab1 Qb8 19. Qa4 h6 20. Bxf6 Rxb1 21. Rxb1 Qc8 22. Bxg7 Kxg7 23. Nb5 Qb7 24. Qb4 Ra8 25. a4 f6 26. Nd3 1-0

[Event "La Dorada op"]
[Site "La Dorada"]
[Date "2021.09.04"]
[Round "3"]
[White "Gongora Yepes, Arley"]
[Black "Arias Betancur, Isaias"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "26"]
[EventDate "2021.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. Nf3 g6 5. a3 Bg7 6. 0-0 Nf6 7. d3 0-0 8. h3 d5 9. Ba2 dxe4 10. Nxe4 Nxe4 11. dxe4 b6 12. Rb1 Bb7 13. Re1 Ne5 1/2-1/2

[Event "La Dorada op"]
[Site "La Dorada"]
[Date "2021.09.03"]
[Round "1"]
[White "Palacio, Pablo Persi"]
[Black "Arias Betancur, Isaias"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1933"]
[PlyCount "52"]
[EventDate "2021.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 0-0 7. Bd3 a6 8. 0-0 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. Rc1 Nb4 12. Bb1 Nbd5 13. Ne2 Rc8 14. Ne5 c5 15. dxc5 Rxc5 16. Rxc5 Bxc5 17. Bxh7+ Kxh7 18. Qc2+ Kg8 19. Qxc5 Qa5 20. Bxf6 Nxf6 21. Qe7 Bd5 22. Nc3 Ba8 23. a3 b4 24. Ng6 Re8 25. Qxb4 Qxb4 26. axb4 fxg6 0-1

