[Event "COL-ch Master"]
[Site "Bogota"]
[Date "2018.11.22"]
[Round "3.12"]
[White "Casadiegos, Eulises"]
[Black "Diaz Arenas, Darwin"]
[Result "1/2-1/2"]
[ECO "A00"]
[BlackElo "1720"]
[PlyCount "72"]
[EventDate "2018.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Na3 d5 2. b3 e5 3. c4 Be6 4. cxd5 Qxd5 5. Nc2 Nc6 6. Bb2 Nb4 7. Nf3 f6 8. g3 Bf5 9. Ne3 Qc6 10. Rc1 Qd7 11. Nxf5 Qxf5 12. Rxc7 Rc8 13. Rxc8+ Qxc8 14. Bc3 Nxa2 15. Qc2 Nxc3 16. dxc3 Bb4 17. e3 Qxc3+ 18. Qxc3 Bxc3+ 19. Kd1 Ne7 20. Bc4 Kd7 21. Kc2 Bb4 22. Rd1+ Kc7 23. Ne1 Bxe1 24. Rxe1 Rd8 25. Ra1 Nc6 26. Kc3 a5 27. h4 h6 28. g4 b6 29. g5 fxg5 30. hxg5 h5 31. Rh1 Rh8 32. Rh4 Ne7 33. Bf7 Rf8 34. g6 Rh8 35. Kd3 Rh6 36. Ke4 Kd6 1/2-1/2

[Event "COL-ch Master"]
[Site "Bogota"]
[Date "2018.11.21"]
[Round "2.7"]
[White "Diaz Arenas, Darwin"]
[Black "Zuluaga, Jose Gabriel"]
[Result "0-1"]
[ECO "E30"]
[WhiteElo "1720"]
[BlackElo "2009"]
[PlyCount "34"]
[EventDate "2018.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. Nf3 Bxc3+ 6. bxc3 Qa5 7. Qc2 cxd4 8. Bxf6 gxf6 9. Nxd4 Nc6 10. Nb5 a6 11. Nd6+ Ke7 12. 0-0-0 Qa3+ 13. Kb1 b5 14. e3 bxc4 15. Bxc4 Rb8+ 16. Ka1 Na5 17. Be2 Nb3+ 0-1

[Event "COL-ch Master"]
[Site "Bogota"]
[Date "2018.11.21"]
[Round "1.15"]
[White "Salcedo Duarte, Gabriel"]
[Black "Diaz Arenas, Darwin"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1720"]
[PlyCount "28"]
[EventDate "2018.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. c3 Bg7 5. Ng5 e6 6. d3 Nge7 7. 0-0 0-0 8. Be3 d5 9. exd5 Nxd5 10. Bxc5 Qxg5 11. Bxf8 Bxf8 12. Nd2 Nf4 13. Qf3 Ne5 14. Qg3 Ne2+ 0-1

[Event "Santander SUB 1800"]
[Site "Santander"]
[Date "2013.05.25"]
[Round "5.19"]
[White "Diaz Arenas, Darwin"]
[Black "Rincon Fadul, Jorge Alberto"]
[Result "1-0"]
[ECO "B32"]
[BlackElo "1563"]
[PlyCount "18"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nxd4 6. Qxd4 a6 7. Be3 d6 8. 0-0-0 e5 9. Qa4+ Bd7 1-0

[Event "Santander SUB 1800"]
[Site "Santander"]
[Date "2013.05.25"]
[Round "4.14"]
[White "Santoyo Silva, Sergio Julian"]
[Black "Diaz Arenas, Darwin"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1677"]
[PlyCount "43"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Be3 c5 5. c3 Qb6 6. Qc2 Nc6 7. dxc5 dxc5 8. Nbd2 Be6 9. Ng5 Nf6 10. Nxe6 fxe6 11. Nc4 Qc7 12. Bxc5 Qf4 13. Bd3 0-0 14. Be3 Qg4 15. f3 Qh4+ 16. Qf2 Qh5 17. g4 Qb5 18. Qe2 Rad8 19. 0-0-0 Ne5 20. Nxe5 Qxe5 21. Bc4 Ne8 22. Rxd8 1-0

[Event "Santander SUB 1800"]
[Site "Santander"]
[Date "2013.05.19"]
[Round "3.22"]
[White "Diaz Arenas, Darwin"]
[Black "Contreras Acevedo, Andrea Julia"]
[Result "1-0"]
[ECO "B53"]
[BlackElo "1574"]
[PlyCount "31"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nf6 3. e4 d6 4. d4 cxd4 5. Qxd4 a6 6. e5 Nc6 7. Qd3 dxe5 8. Qxd8+ Kxd8 9. Be3 Bg4 10. 0-0-0+ Nd7 11. Be2 Bxf3 12. Bxf3 f5 13. Nd5 e4 14. Bxe4 fxe4 15. Nb6 Nce5 16. Nxa8 1-0

[Event "Santander SUB 1800"]
[Site "Santander"]
[Date "2013.05.18"]
[Round "1.16"]
[White "Diaz Arenas, Darwin"]
[Black "Velandia Rojas, Diego"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1632"]
[PlyCount "74"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 Bg4 4. d4 Qd7 5. Nc3 Nf6 6. Bf4 h6 7. Ne5 Nxe5 8. dxe5 Nh7 9. Qd4 e6 10. 0-0-0 c5 11. Qd3 a6 12. h3 Bh5 13. Rd2 g5 14. Be3 Bg6 15. Be4 Bxe4 16. Nxe4 c4 17. Qc3 Qa4 18. Nd6+ Bxd6 19. exd6 Kd7 20. a3 Kxd6 21. Bb6 Qc6 22. Qb4+ Kd7 23. e4 Nf6 24. Bd4 Nxe4 25. Re2 Rhc8 26. Rxe4 dxe4 27. Bf6 Qc5 28. Rd1+ Kc6 29. Qd2 Qf5 30. Qd7+ Kb6 31. Bd4+ Rc5 32. Qd6+ Kb5 33. a4+ Kxa4 34. Bxc5 b5 35. b3+ cxb3 36. Rd4+ b4 37. Qc6+ Ka3 1-0

