[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.21"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2022"]
[BlackElo "2265"]
[PlyCount "56"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 d6 4. Nf3 Bg7 5. h3 0-0 6. Be2 Nfd7 7. 0-0 e5 8. Bh2 Nc6 9. c4 f5 10. Nc3 Kh8 11. Rc1 g5 12. d5 Ncb8 13. b4 a5 14. a3 Na6 15. c5 axb4 16. Bxa6 bxc3 17. c6 Rxa6 18. cxd7 Bxd7 19. Rxc3 c5 20. dxc6 Bxc6 21. Qc1 Qf6 22. Rd1 g4 23. Nxe5 dxe5 24. Rc5 g3 25. Bxg3 f4 26. exf4 exf4 27. Bh2 Qg6 28. g4 Qe4 0-1

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.21"]
[Round "7"]
[White "De Arco, Luis Carlos"]
[Black "Puppi Lazo, Jorge Luis"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2265"]
[BlackElo "2139"]
[PlyCount "65"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 e6 7. Bc4 Nc6 8. a3 Be7 9. 0-0 0-0 10. Qe2 Qb6 11. Rd1 Bd7 12. b4 Rac8 13. Bb2 Rfd8 14. Nbd2 Nf4 15. Qe4 Ng6 16. Bd3 a6 17. h4 Nf8 18. Qg4 f5 19. exf6 Bxf6 20. Ne4 Be7 21. d5 e5 22. Qg3 Na7 23. Nxe5 dxe5 24. d6 Bxh4 25. Qxh4 Ng6 26. Nf6+ gxf6 27. Bxg6 hxg6 28. Qxf6 Nc6 29. Qxg6+ Kf8 30. Rd3 Bg4 31. Qxg4 Ne7 32. dxe7+ Kxe7 33. Qg7+ 1-0

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.20"]
[Round "5"]
[White "De Arco, Luis Carlos"]
[Black "Navia Alvarez, Edwin Adrian"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2265"]
[BlackElo "2098"]
[PlyCount "30"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Bxc6 Bxc6 11. Nxc6 bxc6 12. 0-0 g6 13. Re1 Bg7 14. Bg5 0-0 15. Nc3 Re8 0-1

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.19"]
[Round "4.10"]
[White "Florez Salazar, Luis Angel"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2039"]
[BlackElo "2265"]
[PlyCount "55"]
[EventDate "2015.12.18"]
[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. d4 cxd4 4. Qxd4 Nf6 5. Bb5 a6 6. e5 axb5 7. exf6 Nc6 8. Qd3 b4 9. fxe7 Qxe7+ 10. Be3 Bg7 11. Nbd2 0-0 12. 0-0 d5 13. Nb3 Bf5 14. Qb5 Rfc8 15. Nfd4 Nxd4 16. Nxd4 Bxc2 17. Rfe1 Qc5 18. Qxc5 Rxc5 19. Ne6 fxe6 20. Bxc5 Bxb2 21. Bxb4 d4 22. a3 Bxa1 23. Rxa1 Kf7 24. Kf1 e5 25. Ke2 Ke6 26. Kd2 d3 27. Re1 Kd5 28. f3 1/2-1/2

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.18"]
[Round "2"]
[White "De Arco, Luis Carlos"]
[Black "Aguilar, Victor"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2265"]
[BlackElo "2172"]
[PlyCount "61"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 dxc6 5. Nc3 fxe4 6. Nxe4 Nf6 7. Qe2 Bg4 8. Nxf6+ gxf6 9. d4 Qd5 10. dxe5 0-0-0 11. Be3 fxe5 12. h3 Bh5 13. Rd1 Qxd1+ 14. Qxd1 Rxd1+ 15. Kxd1 e4 16. g4 exf3 17. gxh5 Rg8 18. Kd2 Kd7 19. Kd3 Ke6 20. Ke4 Bd6 21. Kxf3 Rf8+ 22. Ke4 Rf5 23. h6 Rh5 24. Kf3 Kf5 25. h4 Bf8 26. Bf4 Bd6 27. Bg5 Bf8 28. Bf4 Bd6 29. Be3 Bf8 30. Bf4 Bd6 31. Be3 1/2-1/2

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.12"]
[Round "9"]
[White "De Arco, Luis Carlos"]
[Black "Arias Cango, Nathaly del Cisne"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2283"]
[BlackElo "1712"]
[PlyCount "57"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 b6 7. Bd3 Bb7 8. a3 d6 9. 0-0 Nd7 10. Re1 Rc8 11. Bd2 dxe5 12. Nxe5 Nxe5 13. dxe5 Be7 14. Qg4 g6 15. Bh6 Bf8 16. Qh3 a6 17. Be4 Qe7 18. Bxd5 Bxd5 19. Nc3 Bb7 20. Rad1 Rc4 21. Bxf8 Rxf8 22. Rd6 Rc6 23. Ne4 Rxd6 24. Nxd6+ Kd8 25. Rc1 Qd7 26. Qe3 Ke7 27. Qxb6 Rc8 28. Nxc8+ Kf8 29. Qd6+ 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.11"]
[Round "7"]
[White "De Arco, Luis Carlos"]
[Black "Cardozo Munar, Carlos Eduardo"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2283"]
[BlackElo "2118"]
[PlyCount "84"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. Ng6+ hxg6 12. exf6+ Nxf6 13. Qxh8 Kf7 14. Qh4 e5 15. Nf3 Nxf3+ 16. gxf3 Bf5 17. Bxf5 gxf5 18. Bg5 d4 19. 0-0 Bd6 20. Rfd1 Qh8 21. Bxf6 gxf6 22. Qxh8 Rxh8 23. f4 Ke6 24. Rd3 Kd5 25. Rad1 Bc5 26. b4 e4 27. Rg3 Bd6 28. Rg7 Bxf4 29. Rd7+ Bd6 30. Rxb7 Bxh2+ 31. Kg2 Bd6 32. Rxa7 Bxb4 33. Rb1 Bc5 34. Rd7+ Ke6 35. Rc7 Bd6 36. Rc6 d3 37. a4 Kd5 38. Rcb6 Rc8 39. a5 Rc3 40. R6b2 Kc4 41. a6 Bc5 42. Kf1 f4 0-1

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.11"]
[Round "8"]
[White "Zabala, Fidel"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "1980"]
[BlackElo "2283"]
[PlyCount "55"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Bc4 Bg7 6. Nxc6 bxc6 7. 0-0 d6 8. Bb3 Nf6 9. Nc3 0-0 10. h3 Ba6 11. Re1 Nd7 12. Bg5 h6 13. Be3 c5 14. Qd2 Kh7 15. Rad1 Rb8 16. Qc1 c4 17. Ba4 Nb6 18. e5 Nxa4 19. Nxa4 Qa5 20. Nc3 dxe5 21. Bxa7 Rb7 22. Rd5 Qc7 23. Bc5 Rbb8 24. Be3 Qb7 25. Ra5 Qc6 26. Rc5 Qb7 27. Ra5 Qc6 28. Rc5 1/2-1/2

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.10"]
[Round "5"]
[White "De Arco, Luis Carlos"]
[Black "Corredor Sanchez, Fabian Ricardo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2283"]
[BlackElo "2096"]
[PlyCount "49"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. Bc4 e6 8. g4 Bg6 9. Ne5 c6 10. h4 Be4 11. Rh3 Nbd7 12. Nxd7 Kxd7 13. Bd2 Bb4 14. Qe2 Bd5 15. Bd3 h6 16. a3 Bd6 17. Ne4 Qb6 18. Nxd6 Qxb2 19. Rd1 Kxd6 20. c4 Qxd4 21. cxd5 cxd5 22. Bc4 Qb6 23. Rb3 Qd8 24. Bxd5 Nxd5 25. Bb4+ 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.10"]
[Round "6"]
[White "Vasquez Schroder, Rodrigo Rafael"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2538"]
[BlackElo "2283"]
[PlyCount "77"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 Nc6 7. Nc3 d5 8. Ne5 Nxe5 9. dxe5 Nd7 10. cxd5 Nxe5 11. Bg2 0-0 12. 0-0 Nc4 13. Qf4 Nd6 14. Rac1 e5 15. Qb4 a5 16. Qa3 Re8 17. Rc2 Bf5 18. e4 Bd7 19. Qc5 Rec8 20. Rfc1 b6 21. Qa3 Qf6 22. Ne2 Bb5 23. Qe3 Qh6 24. Qxh6 gxh6 25. Nc3 c5 26. dxc6 Bxc6 27. f3 b5 28. Bh3 Rd8 29. Nd1 Bb7 30. Ne3 b4 31. Rc5 f6 32. Ng4 Kg7 33. Ne3 Ba6 34. Rd1 Nf7 35. Rxd8 Rxd8 36. Rxa5 Be2 37. Ra7 Kf8 38. Kf2 Rd2 39. Ra8+ 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.09"]
[Round "4"]
[White "Aguero Jimenez, Luis Lazaro"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2459"]
[BlackElo "2283"]
[PlyCount "85"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 b4 9. d3 d6 10. a5 Rb8 11. Nbd2 Be6 12. Bc4 Qc8 13. Nf1 Re8 14. Ne3 Bf8 15. Nh4 Nd4 16. Nd5 Nxd5 17. exd5 Bg4 18. f3 Bd7 19. Be3 Be7 20. g3 Bxh4 21. Bxd4 exd4 22. gxh4 Bb5 23. Qd2 Bxc4 24. dxc4 Qf5 25. Qd3 Qf4 26. b3 Qxh4 27. Re4 Rxe4 28. Qxe4 Qg5+ 29. Kh1 Qe5 30. Rd1 Qxe4 31. fxe4 Re8 32. Rxd4 f5 33. Kg2 Rxe4 34. Rxe4 fxe4 35. Kf2 Kf7 36. Ke3 Kf6 37. Kxe4 g5 38. c3 bxc3 39. Kd3 c2 40. Kxc2 h5 41. b4 g4 42. Kd3 h4 43. Ke4 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.09"]
[Round "3"]
[White "De Arco, Luis Carlos"]
[Black "Salcedo Perez, Pablo Esteban"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2283"]
[BlackElo "1937"]
[PlyCount "73"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. Qe2 Nf6 7. c3 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ng8 11. Nc3 a6 12. Be3 Nge7 13. g4 h5 14. h3 hxg4 15. hxg4 f5 16. exf6 gxf6 17. Bf4 Ng6 18. Bg3 Qh7 19. Qxe6+ Be7 20. Nh2 Nxd4 21. Qxd5 Ne5 22. Qg2 0-0-0 23. Rac1 Kb8 24. Rfe1 Bd6 25. Re3 Qxh2+ 26. Qxh2 Nef3+ 27. Kg2 Rxh2+ 28. Bxh2 Nxh2 29. Ree1 Nxg4 30. Re4 Rg8 31. Rce1 Nh2+ 32. Kh3 Be5 33. R1e3 Rh8+ 34. Kg2 Rg8+ 35. Kh3 Rh8+ 36. Rh4 Rg8 37. f4 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.08"]
[Round "1"]
[White "De Arco, Luis Carlos"]
[Black "Ruiz Agudelo, Santiago"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2283"]
[BlackElo "1791"]
[PlyCount "57"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e6 7. Nc3 Qa5 8. Bc4 Nf6 9. 0-0 Bb4 10. Qb3 a6 11. a3 Bxc3 12. bxc3 b5 13. Bd3 Qc7 14. Bg5 Nd5 15. Rfe1 0-0 16. Qc2 h6 17. Bd2 Na5 18. a4 Rb8 19. axb5 axb5 20. Ne5 Nc6 21. Nf3 Na5 22. Ne5 Nc6 23. Re4 Nxe5 24. dxe5 Bb7 25. Rae1 Nxc3 26. Rg4 h5 27. Rg3 Nd5 28. Qd1 h4 29. Rxg7+ 1-0

[Event "COL-chT Cup"]
[Site "Bogota"]
[Date "2015.06.08"]
[Round "5.1"]
[White "De Arco, Luis Carlos"]
[Black "Cadena Montoya, Gustavo Adolfo"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2268"]
[BlackElo "2189"]
[PlyCount "49"]
[EventDate "2015.06.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]
[WhiteTeam "Cesar"]
[BlackTeam "Caqueta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 Nc6 6. Bc4 Na5 7. Bd3 d5 8. exd6 Qxd6 9. Qe2 a6 10. 0-0 Qc7 11. Ne5 e6 12. Bf4 Bd6 13. Rad1 c4 14. Bf5 0-0 15. Be4 f5 16. Bf3 g5 17. Rxd6 Qxd6 18. Bxg5 Qc7 19. Rd1 Ra7 20. Qe3 Nc6 21. Bf4 Qg7 22. Nxc6 bxc6 23. Bh6 Qe7 24. Bxf8 Kxf8 25. Qd4 1-0

[Event "COL-chT Cup"]
[Site "Bogota"]
[Date "2015.06.07"]
[Round "3.1"]
[White "De Arco, Luis Carlos"]
[Black "Mateus, Martha"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2268"]
[BlackElo "2174"]
[PlyCount "69"]
[EventDate "2015.06.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]
[WhiteTeam "Cesar"]
[BlackTeam "Valle (Women)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. dxc5 Qxc5 7. Be3 Qc7 8. Na3 a6 9. h3 Bxf3 10. Qxf3 e5 11. Nc4 Nbd7 12. Be2 Bc5 13. 0-0 Bxe3 14. Nxe3 e4 15. Qf5 Qe5 16. Nc4 Qxf5 17. Nd6+ Kf8 18. Nxf5 Rd8 19. Rfd1 Rb8 20. Rd4 Nc5 21. Rad1 Ne6 22. Rb4 a5 23. Rb5 g6 24. Nd4 Nc7 25. Rc5 Ncd5 26. Nb5 Nf4 27. Bc4 Kg7 28. Rc7 Rhf8 29. Nd6 Rbd8 30. Rxb7 N6d5 31. Nxe4 Rfe8 32. Bxd5 Rxe4 33. Rxf7+ Kh8 34. Bxe4 Rxd1+ 35. Kh2 1-0

[Event "COL-chT Cup"]
[Site "Bogota"]
[Date "2015.06.07"]
[Round "4.1"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2417"]
[BlackElo "2268"]
[PlyCount "89"]
[EventDate "2015.06.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Cesar"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 0-0-0 10. Bb2 Qg5 11. Qe4 Bb4+ 12. Kd1 Ne7 13. f4 d5 14. cxd5 Qg4+ 15. Kc2 Bxf1 16. Rxf1 Nxd5 17. Nc3 Qxg2+ 18. Qxg2 Ne3+ 19. Kb1 Nxg2 20. Ne4 Ne3 21. Rg1 Nf5 22. a3 Be7 23. Ka2 Rd3 24. Rgf1 Rhd8 25. Rac1 Kb7 26. Rf2 h6 27. Rfc2 Re3 28. Rc4 Re2 29. Kb1 Rd7 30. b4 Ne3 31. Nc5+ Bxc5 32. Rxc5 Rdd2 33. Bc3 Rd5 34. Re1 Rxc5 35. bxc5 Rxe1+ 36. Bxe1 g6 37. Kb2 Nd5 38. Bd2 h5 39. Kb3 Kc8 40. Ka4 Ne7 41. Ka5 Kb7 42. Be1 Nf5 43. Bf2 Ng7 44. a4 Ne6 45. Be3 1/2-1/2

[Event "COL-chT Cup"]
[Site "Bogota"]
[Date "2015.06.06"]
[Round "2.1"]
[White "Pinilla, Rosa"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1559"]
[BlackElo "2268"]
[PlyCount "48"]
[EventDate "2015.06.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]
[WhiteTeam "Choco (Women)"]
[BlackTeam "Cesar"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bc4 Be7 7. Nxe5 Qa5+ 8. Bd2 Qxe5 9. Nc3 b5 10. Bd5 Nxd5 11. Nxd5 Bb7 12. 0-0 Bxd5 13. exd5 Qxd5 14. Re1 Nc6 15. Qe2 0-0 16. b3 Bf6 17. Rad1 Qf5 18. Bc1 h6 19. g4 Qe6 20. Qf3 Ne5 21. Qh3 Qxg4+ 22. Qxg4 Nxg4 23. Rxd7 Ne5 24. Rxe5 Bxe5 0-1

[Event "Bogota Students-ch 22th"]
[Site "Bogota"]
[Date "2013.11.05"]
[Round "6"]
[White "De Arco, Luis Carlos"]
[Black "Martinez Romero, Martin"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2268"]
[BlackElo "2381"]
[PlyCount "20"]
[EventDate "2013.11.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8 1/2-1/2

[Event "Bogota Students-ch 22th"]
[Site "Bogota"]
[Date "2013.11.05"]
[Round "5"]
[White "Dominguez, Ramiro"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2229"]
[BlackElo "2268"]
[PlyCount "83"]
[EventDate "2013.11.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. Nc3 d6 9. h3 Na5 10. d3 Nxb3 11. axb3 Bb7 12. Ne2 Ne8 13. Ng3 g6 14. Bh6 Ng7 15. d4 exd4 16. Nxd4 Bf6 17. c3 c5 18. Nf3 Re8 19. Qd2 Be5 20. Nxe5 dxe5 21. Qe3 Qe7 22. Bxg7 Kxg7 23. c4 Red8 24. Ne2 Bc6 25. Nc3 Rd4 26. Nd5 Bxd5 27. cxd5 Qd6 28. Ra2 Rb8 29. Rc1 h6 30. f3 Rb6 31. Raa1 c4 32. Rc3 Qc5 33. Kh2 b4 34. Rc2 Rxd5 35. Qxc5 Rxc5 36. Rxc4 Rcc6 37. Kg3 Rd6 38. Ra4 Rd2 39. Raxb4 Rxb4 40. Rxb4 Rxb2 41. Ra4 Rxb3 42. Rxa6 1/2-1/2

[Event "Bogota Students-ch 22th"]
[Site "Bogota"]
[Date "2013.11.03"]
[Round "2"]
[White "De Arco, Luis Carlos"]
[Black "Jaramillo Ochoa, Mateo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2268"]
[BlackElo "2159"]
[PlyCount "54"]
[EventDate "2013.11.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Be3 cxd4 7. Nxd4 e6 8. Nxf5 Qxf5 9. Bd3 Qd5 10. 0-0 0-0-0 11. Be2 Qxd1 12. Rxd1 Rxd1+ 13. Bxd1 Nf6 14. Bf3 Nd5 15. Bxd5 exd5 16. Nd2 Be7 17. Nf3 Bf6 18. Rd1 Rd8 19. g4 h6 20. Kg2 b6 21. h3 Kb7 22. h4 Be7 23. Kg3 Bf6 24. h5 b5 25. Bd4 Bxd4 26. Nxd4 Nxd4 27. Rxd4 Kc6 1/2-1/2

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.14"]
[Round "9"]
[White "Orozco, Luz Elena"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "C86"]
[WhiteElo "2080"]
[BlackElo "2283"]
[PlyCount "84"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 0-0 8. 0-0 d6 9. d4 exd4 10. cxd4 Bg4 11. Rd1 d5 12. e5 Ne4 13. Nc3 Nxc3 14. bxc3 f6 15. h3 Bf5 16. g4 Bc8 17. exf6 Rxf6 18. Ne5 Na5 19. Bc2 Nc4 20. Re1 Nxe5 21. dxe5 Rf8 22. Qd3 g6 23. Bh6 Re8 24. f4 Bc5+ 25. Kh1 Bb7 26. Bb3 Kh8 27. Re2 Bf8 28. Bg5 Be7 29. Bxe7 Qxe7 30. f5 gxf5 31. gxf5 c5 32. f6 Qc7 33. Bc2 d4+ 34. Kg1 Rg8+ 35. Kf1 Rg6 36. Qf5 Rag8 37. Rf2 Bd5 38. e6 Bc4+ 39. Bd3 Bxd3+ 40. Qxd3 Rg1+ 41. Ke2 Qe5+ 42. Kd2 Rxa1 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.13"]
[Round "8"]
[White "De Arco, Luis Carlos"]
[Black "Lizarazo, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2283"]
[BlackElo "2112"]
[PlyCount "55"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 0-0 8. a4 b4 9. Re1 d6 10. Nbd2 Na5 11. Ba2 c5 12. c3 Nc6 13. Nc4 h6 14. h3 Be6 15. Nh2 Na5 16. Nxa5 Qxa5 17. Bxe6 fxe6 18. Qb3 bxc3 19. bxc3 Kf7 20. Bd2 Rac8 21. Qc4 Rfd8 22. Re3 Rb8 23. Nf3 Rb2 24. Rd1 Rc8 25. Ree1 Rc7 26. Rb1 Rcb7 27. Red1 Rc7 28. Rxb2 1/2-1/2

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.13"]
[Round "7"]
[White "Motta Leon, Gerardo"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "2046"]
[BlackElo "2283"]
[PlyCount "84"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d6 9. Qd2 Bd7 10. f3 Nxd4 11. Bxd4 Bc6 12. Nd5 Nd7 13. b4 Bxd4+ 14. Qxd4 Bxd5 15. exd5 Qb6 16. Qxb6 Nxb6 17. c4 Rfc8 18. Rae1 a5 19. a3 axb4 20. axb4 Ra4 21. Kf2 Rc7 22. b5 Rc8 23. Ra1 Rca8 24. Rxa4 Rxa4 25. Rc1 Nd7 26. Rc2 Ra3 27. Ke1 Kg7 28. f4 f5 29. Kf2 Nc5 30. g3 Kf6 31. Bf3 b6 32. Be2 h5 33. Kg2 g5 34. Kf2 Ne4+ 35. Kg2 g4 36. Rb2 h4 37. Bd1 Kg6 38. Bc2 Rc3 39. Bxe4 fxe4 40. Kf2 Kf5 41. Ra2 e3+ 42. Ke2 Ke4 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "6"]
[White "De Arco, Luis Carlos"]
[Black "Ramirez, Jaime Orlando"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2283"]
[BlackElo "2022"]
[PlyCount "74"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. 0-0 Ng6 6. Re1 c6 7. Ba4 d6 8. Bb3 Be7 9. Nbd2 0-0 10. Nf1 Be6 11. c3 Bxb3 12. Qxb3 Qb6 13. Qc2 Nh5 14. Ne3 Rfe8 15. Nf5 Bf8 16. Be3 Qc7 17. d4 Rab8 18. Rad1 h6 19. d5 c5 20. g3 Qd7 21. c4 b5 22. cxb5 Qxb5 23. b3 Nf6 24. Nd2 Ne7 25. Nxe7+ Bxe7 26. Nc4 Nh7 27. Qe2 Qd7 28. Na5 f5 29. exf5 Qxf5 30. Nc6 Ra8 31. Qc4 Bg5 32. h4 Bxe3 33. Rxe3 Qh3 34. Qf1 Qg4 35. Qe2 Qh3 36. Qf1 Qg4 37. Qe2 Qh3 1/2-1/2

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "5"]
[White "Parra Varon, Diego Alexander"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1912"]
[BlackElo "2283"]
[PlyCount "69"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bf4 Bg7 8. Bd3 0-0 9. h3 Re8 10. Nf3 Nxe4 11. Bxe4 Bxc3+ 12. bxc3 Rxe4+ 13. Be3 Qf6 14. Rc1 Nd7 15. 0-0 Nb6 16. a4 Bd7 17. a5 Nc4 18. Bg5 Qg7 19. Nd2 Nxd2 20. Qxd2 Bb5 21. Rfe1 Rae8 22. f3 R4e5 23. Bf4 Re2 24. Rxe2 Rxe2 25. Qd1 Qf6 26. g3 g5 27. c4 Qb2 28. Qf1 gxf4 29. cxb5 fxg3 30. Rc4 Rf2 31. Qe1 Rg2+ 32. Kf1 Rg1+ 33. Kxg1 Qh2+ 34. Kf1 g2+ 35. Ke2 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "4"]
[White "De Arco, Luis Carlos"]
[Black "Prado Segura, Robinson Alexander"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2283"]
[BlackElo "1868"]
[PlyCount "61"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Be7 8. h3 Bh5 9. Nc3 0-0 10. Be3 N8d7 11. c5 Nd5 12. Nxd5 exd5 13. Qb3 Nf6 14. Qxb7 Rb8 15. Qxa7 Rxb2 16. Rfe1 Qc8 17. Bd1 Ne4 18. Qa3 Rb6 19. Ne5 Bxd1 20. Rexd1 Ra6 21. Qb3 Qe6 22. Nd3 c6 23. Nf4 Qd7 24. a4 Rfa8 25. Ra2 Qd8 26. Ne2 h6 27. f3 Ng5 28. Nf4 Qc7 29. h4 Ne6 30. Nxe6 fxe6 31. Bf2 1/2-1/2

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "3"]
[White "Ruiz Cruz, Marco Antonio"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A32"]
[BlackElo "2283"]
[PlyCount "90"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c4 cxd4 5. Nxd4 a6 6. Nc3 Be7 7. Bd3 Qc7 8. 0-0 b6 9. Ne4 Bb7 10. Qc2 Nc6 11. Nxf6+ Bxf6 12. Be4 Nxd4 13. exd4 Bxd4 14. Bxb7 Qxb7 15. Bd2 0-0 16. Bc3 Bxc3 17. Qxc3 Rac8 18. Qd4 Rc5 19. Rfd1 d5 20. cxd5 Rxd5 21. Qe3 Rfd8 22. Rxd5 Qxd5 23. g3 Qb5 24. b3 h6 25. Rc1 Qa5 26. a4 b5 27. axb5 Qxb5 28. Rc5 Rd1+ 29. Kg2 Qf1+ 30. Kf3 Rd3 31. Rc3 Rxe3+ 32. Rxe3 Qh1+ 33. Ke2 Qxh2 34. Kf3 Qh5+ 35. Kg2 Qd5+ 36. Kg1 e5 37. Kh2 f5 38. Kg1 f4 39. gxf4 exf4 40. Rc3 f3 41. Re3 Qg5+ 42. Kf1 Qg2+ 43. Ke1 Qg1+ 44. Kd2 Qxf2+ 45. Kd3 Qf1+ 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2474"]
[BlackElo "2283"]
[PlyCount "79"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Bg5 Bg7 9. Qd2 0-0 10. Bd3 Be6 11. 0-0 Rc8 12. b3 Qa5 13. Rac1 Rfe8 14. h3 a6 15. Rfd1 Nd7 16. Bf1 Nc5 17. Re1 b5 18. Nd5 Qxd2 19. Bxd2 bxc4 20. Bxc4 Bb2 21. Rb1 Bd4 22. Rbd1 Bxd5 23. exd5 f6 24. g3 f5 25. Kg2 Ne4 26. Bf4 Bc3 27. Re2 Bb4 28. Rd3 a5 29. Bb5 Red8 30. Bc6 e5 31. Bc1 Kg7 32. Rc2 Nf6 33. Bb2 e4 34. Rd4 Rb8 35. Rdc4 Kf7 36. Bd4 Nd7 37. Ba7 Ne5 38. Bxb8 Nxc4 39. Bc7 Rc8 40. Rxc4 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "2"]
[White "De Arco, Luis Carlos"]
[Black "Camargo, Santiago"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2283"]
[BlackElo "2011"]
[PlyCount "58"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 g6 4. d4 cxd4 5. cxd4 Bg7 6. Nc3 a6 7. a4 Nc6 8. h3 Nf6 9. Be2 h6 10. 0-0 0-0 11. d5 Nb8 12. a5 Nbd7 13. Be3 Kh7 14. Nd2 Ne8 15. Nc4 f5 16. exf5 gxf5 17. Qd2 Ne5 18. Nb6 Rb8 19. Ra4 Nf6 20. f4 Ned7 21. b4 Nxb6 22. Bxb6 Qe8 23. Ra3 Bd7 24. Bf3 Rc8 25. Qd3 Nh5 26. Bxh5 Qxh5 27. Bd4 Rf7 28. Bxg7 Rxg7 29. Ra2 Rcg8 1/2-1/2

[Event "Costa Atlantica Univ Magdalena"]
[Site "Santa Marta"]
[Date "2013.09.02"]
[Round "1.1"]
[White "De Arco, Luis Carlos"]
[Black "Ricaurte Escorcia, Christian Dav"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2268"]
[BlackElo "1625"]
[PlyCount "43"]
[EventDate "2013.09.02"]
[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 e6 2. d4 d6 3. Nc3 Bd7 4. Nf3 Be7 5. Bd3 c6 6. 0-0 Qc7 7. h3 Nf6 8. e5 Nd5 9. Ne4 f5 10. exd6 Bxd6 11. Nxd6+ Qxd6 12. Ne5 Nf6 13. Bc4 Bc8 14. Re1 a5 15. Qf3 0-0 16. Bf4 Qe7 17. a4 Nd5 18. Nd3 Rd8 19. Bxd5 cxd5 20. Bxb8 Rxb8 21. Qxf5 exf5 22. Rxe7 1-0

[Event "Costa Atlantica Univ Magdalena"]
[Site "Santa Marta"]
[Date "2013.09.02"]
[Round "6.3"]
[White "Petro, Manuel"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "1825"]
[BlackElo "2268"]
[PlyCount "42"]
[EventDate "2013.09.02"]
[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. c4 e6 3. g3 c5 4. e3 d5 5. dxc5 Bxc5 6. Nf3 0-0 7. cxd5 Nxd5 8. Bg2 Nb4 9. Na3 Qxd1+ 10. Kxd1 N8c6 11. Ke1 b6 12. Kf1 Ba6+ 13. Kg1 Rad8 14. Bf1 Rd1 15. Kg2 Bb7 16. Be2 Rxh1 17. Kxh1 Ne5 18. Kg2 Rd8 19. Nc4 Nxc4 20. Bxc4 Nc2 21. Rb1 Ne1+ 0-1

[Event "Costa Atlantica Univ Magdalena"]
[Site "Santa Marta"]
[Date "2013.09.02"]
[Round "2.1"]
[White "Solano, David Alfonso"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1759"]
[BlackElo "2268"]
[PlyCount "79"]
[EventDate "2013.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. d4 c5 4. c3 cxd4 5. cxd4 Nc6 6. Bg2 Bf5 7. Bf4 e6 8. Nbd2 h6 9. 0-0 Bd6 10. Bxd6 Qxd6 11. Rc1 0-0 12. Qb3 b6 13. e3 Rfc8 14. a3 Nd7 15. Qa2 a5 16. Rfd1 a4 17. Bf1 Na5 18. Bb5 Bc2 19. Rf1 Nf6 20. Ne1 Bb3 21. Nxb3 axb3 22. Qb1 Rxc1 23. Qxc1 e5 24. dxe5 Qxe5 25. Nd3 Qd6 26. Nb4 Qe6 27. Qd2 Rc8 28. Rd1 Rc5 29. Bd3 h5 30. f3 h4 31. g4 Nxg4 32. fxg4 Qxg4+ 33. Kf2 Nc4 34. Bxc4 dxc4 35. Qd8+ Kh7 36. Nd5 h3 37. Rg1 Qf5+ 38. Nf4 Qc2+ 39. Kf3 Re5 40. Qh4+ 1/2-1/2

[Event "Pacific Coast op 18th"]
[Site "Agoura Hills"]
[Date "2013.07.20"]
[Round "4.12"]
[White "De Arco, Luis Carlos"]
[Black "Furman, Leonid"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2269"]
[BlackElo "2195"]
[PlyCount "73"]
[EventDate "2013.07.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. Ng6+ hxg6 12. exf6+ Nxf6 13. Qxh8 Kf7 14. Qh4 e5 15. Nf3 Nxf3+ 16. gxf3 Bf5 17. Bxf5 gxf5 18. Qa4 d4 19. Bg5 Qd5 20. 0-0-0 Qxf3 21. Bxf6 Kxf6 22. Kb1 g6 23. Rhg1 Qc6 24. Qb3 Bh6 25. Qg3 Qe8 26. Qh4+ Kg7 27. Rd3 Qd8 28. Qh5 g5 29. Rdg3 Qh8 30. Rxg5+ Bxg5 31. Rxg5+ Kf6 32. Rg6+ Ke7 33. Qg5+ Kd7 34. Qxf5+ Kd8 35. Rd6+ Ke8 36. Qe6+ Kf8 37. Rd7 1-0

[Event "La Candelaria Cup"]
[Site "Complejo de Raquetas"]
[Date "2013.02.03"]
[Round "6"]
[White "De Arco, Luis Carlos"]
[Black "Mendoza, Rafael"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2258"]
[BlackElo "2334"]
[PlyCount "20"]
[EventDate "2013.01.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. d3 c6 5. 0-0 Nbd7 6. c4 e6 7. h3 Bh5 8. b3 Be7 9. Bb2 a5 10. Nbd2 0-0 1/2-1/2

[Event "La Candelaria Cup"]
[Site "Complejo de Raquetas"]
[Date "2013.02.02"]
[Round "5"]
[White "De Arco, Luis Carlos"]
[Black "Lopez Hernandez, Carlos Manuel"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2258"]
[BlackElo "2306"]
[PlyCount "79"]
[EventDate "2013.01.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 d6 7. Bc4 e6 8. 0-0 Be7 9. a3 0-0 10. b4 Bd7 11. Qe2 Qb6 12. Rd1 Rfd8 13. Ra2 Rac8 14. Rc2 dxe5 15. dxe5 Ncxb4 16. axb4 Ba4 17. Ne1 Bxc2 18. Nxc2 Nxb4 19. Ne3 Rxd1+ 20. Qxd1 Nc6 21. Bd3 Nxe5 22. Bc2 g6 23. Nd2 Qd4 24. Qf1 Bb4 25. Nb3 Qb6 26. Kh1 Qc7 27. h3 a5 28. f4 Nc4 29. Ng4 Nd2 30. Bxd2 Qxc2 31. Qa1 Bc3 32. Bxc3 Qxc3 33. Qa4 h5 34. Ne5 Qb4 35. Qd7 Rf8 36. Nd4 h4 37. Nxe6 Qe1+ 38. Kh2 Qg3+ 39. Kh1 Qe1+ 40. Kh2 1/2-1/2

[Event "La Candelaria Cup"]
[Site "Complejo de Raquetas"]
[Date "2013.02.02"]
[Round "4"]
[White "Espinosa, Julio Manuel"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2282"]
[BlackElo "2258"]
[PlyCount "107"]
[EventDate "2013.01.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 Be7 5. Be2 0-0 6. 0-0 d5 7. Nbd2 h6 8. Re1 Be6 9. Bf1 Nd7 10. b4 a6 11. a3 Bf6 12. Bb2 Ne7 13. exd5 Nxd5 14. Ne4 Nf4 15. c4 Ng6 16. Nxf6+ Qxf6 17. d4 Bg4 18. Be2 Rad8 19. Nxe5 Ndxe5 20. dxe5 Qg5 21. Qc1 Nf4 22. Bf1 Rd2 23. h4 Nh3+ 24. gxh3 Qf4 25. Re2 Bxe2 26. Bxe2 g5 27. Bf3 Rxb2 28. Qxb2 Qxf3 29. Qd4 Qxh3 30. hxg5 hxg5 31. Re1 Re8 32. Re3 Qf5 33. b5 axb5 34. cxb5 Qb1+ 35. Kg2 Qxb5 36. Qe4 Qc6 37. Qxc6 bxc6 38. Kf3 Kg7 39. Ke4 Kg6 40. Kd4 Rd8+ 41. Kc5 Rd2 42. Rf3 Rc2+ 43. Kb4 Re2 44. Rf6+ Kg7 45. Rxc6 Rxf2 46. Rxc7 Re2 47. Rc5 Kg6 48. a4 g4 49. a5 Kf5 50. a6 Rb2+ 51. Ka5 g3 52. a7 g2 53. Rc1 Kxe5 54. Rg1 1/2-1/2

[Event "La Candelaria Cup"]
[Site "Complejo de Raquetas"]
[Date "2013.02.01"]
[Round "3"]
[White "De Arco, Luis Carlos"]
[Black "Verbel, Jose"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2258"]
[BlackElo "1842"]
[PlyCount "51"]
[EventDate "2013.01.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 e5 6. dxe5 Qxd1+ 7. Kxd1 Bg4 8. Bf4 Nge7 9. Bd3 h5 10. h3 Nd5 11. Bh2 Bxf3+ 12. gxf3 0-0-0 13. Ke2 Nxe5 14. Bxe5 Re8 15. Bf5+ Kd8 16. Rd1 Rxe5+ 17. Be4 Kc7 18. Rxd5 Re6 19. Nd2 g6 20. Kf1 f5 21. Bc2 b5 22. a4 b4 23. cxb4 cxb4 24. Bb3 Rc6 25. Nc4 Bc5 26. Ne5 1-0

[Event "La Candelaria Cup"]
[Site "Complejo de Raquetas"]
[Date "2013.01.31"]
[Round "2"]
[White "Angulo Pimienta, Angel Gabriel"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1998"]
[BlackElo "2258"]
[PlyCount "62"]
[EventDate "2013.01.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nc6 5. d3 e6 6. 0-0 Nge7 7. a4 d5 8. Ba2 0-0 9. Ne2 h6 10. c3 b6 11. Qc2 Ba6 12. Rd1 Rc8 13. Bf4 g5 14. Bc1 Ng6 15. Ng3 g4 16. Ne1 dxe4 17. dxe4 Qc7 18. f4 gxf3 19. Nxf3 Nce5 20. Nxe5 Qxe5 21. Be3 Rcd8 22. Rxd8 Rxd8 23. Rd1 Rxd1+ 24. Qxd1 Bb7 25. Qg4 Kh7 26. Bb1 f5 27. Qd1 f4 28. Qd7 Ba6 29. Qxa7 Bc4 30. Qxb6 fxe3 31. b4 Nf4 0-1

[Event "La Candelaria Cup"]
[Site "Complejo de Raquetas"]
[Date "2013.01.30"]
[Round "1"]
[White "De Arco, Luis Carlos"]
[Black "Ricciulli Vargas, Roberth Eliece"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2258"]
[BlackElo "1714"]
[PlyCount "63"]
[EventDate "2013.01.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bb7 13. d5 Rac8 14. Nf1 h6 15. b3 Rfe8 16. Ng3 Bf8 17. Nf5 Ra8 18. Nh2 Bc8 19. Qf3 Bxf5 20. Qxf5 Qd7 21. Qf3 Qe7 22. g4 Nh7 23. Qg3 Qf6 24. Nf3 c4 25. b4 Nb7 26. a4 Be7 27. h4 Qg6 28. Ra2 Qf6 29. g5 hxg5 30. hxg5 Qg6 31. Nh4 Qh5 32. Bd1 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.16"]
[Round "9"]
[White "De Arco, Luis Carlos"]
[Black "Chirivi Castiblanco, Angie Lizeth"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2248"]
[BlackElo "2032"]
[PlyCount "84"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 0-0 8. a4 Bb7 9. Nc3 b4 10. Nd5 a5 11. c3 bxc3 12. bxc3 d6 13. h3 Qd7 14. Nxe7+ Qxe7 15. Bg5 Nd8 16. Nh4 Ne6 17. Nf5 Qd8 18. Bh4 Nf4 19. Qf3 Ng6 20. Bg5 Kh8 21. Nh6 Qe7 22. Ng4 Nf4 23. Nxf6 gxf6 24. Bxf4 exf4 25. Qxf4 Rg8 26. Rab1 Rab8 27. Rfe1 Ba6 28. Bc2 Qe5 29. Qxe5 fxe5 30. d4 f6 31. Rxb8 Rxb8 32. Rb1 Rxb1+ 33. Bxb1 Bc4 34. Bc2 Kg7 35. f3 Kg6 36. Kf2 h6 37. g4 c6 38. Ke3 Kg5 39. Kf2 Kf4 40. Bd1 Ba2 41. Bc2 Bc4 42. Bd1 Ba2 1/2-1/2

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.16"]
[Round "8"]
[White "Leon Magallanes, Isaac David"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "E45"]
[WhiteElo "2096"]
[BlackElo "2248"]
[PlyCount "97"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Ng3 d5 8. Qf3 0-0 9. cxd5 Bxf1 10. Kxf1 exd5 11. Ke2 g6 12. Rd1 Re8 13. Kf1 c6 14. b3 Bd6 15. Bb2 Nbd7 16. a4 Bxg3 17. Qxg3 Ne4 18. Nxe4 Rxe4 19. Rac1 Rc8 20. Ba3 Re6 21. Bd6 Nf6 22. Bb4 Ne4 23. Qg4 h5 24. Qe2 Qh4 25. Kg1 Rce8 26. Be1 Nf6 27. h3 Qg5 28. Rc2 Ne4 29. b4 Qf6 30. Qf3 Qh4 31. Qe2 Qf6 32. Qf3 Qe7 33. Rdc1 Rf6 34. Qe2 Qd7 35. f3 Nd6 36. Rxc6 Rfe6 37. Bf2 Nc4 38. Rxe6 Rxe6 39. b5 Qe7 40. e4 Nd6 41. e5 Nc4 42. f4 Qb4 43. Qf3 Qb2 44. Re1 Qb4 45. Qxd5 Qxa4 46. Rc1 Nd2 47. Be3 Nb3 48. Rc8+ Kg7 49. Qd8 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.13"]
[Round "3"]
[White "De Arco, Luis Carlos"]
[Black "Bejarano Urrego, Dany Andres"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2248"]
[BlackElo "2005"]
[PlyCount "98"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 gxf6 7. Nf3 Nd7 8. Bc4 Nb6 9. Bb3 c6 10. Qd2 f5 11. Ng3 c5 12. c3 c4 13. Bd1 Nd5 14. Ne5 b5 15. Nh5 Bg5 16. f4 Bh6 17. a4 f6 18. Nc6 Qc7 19. axb5 Nxf4 20. Nxf4 Bxf4 21. Qe2 a6 22. bxa6 0-0 23. Nb4 Bxh2 24. Qf3 Bd7 25. Kd2 Qf4+ 26. Qxf4 Bxf4+ 27. Kc2 Bd6 28. Bf3 Ra7 29. Nc6 Bxc6 30. Bxc6 Rc7 31. a7 Rxc6 32. a8Q Rxa8 33. Rxa8+ Kg7 34. Ra7+ Bc7 35. Rha1 Kg6 36. R1a6 Rxa6 37. Rxa6 f4 38. Rxe6 Kf5 39. Re7 Bd6 40. Rxh7 Ke4 41. Rh3 Be7 42. b3 cxb3+ 43. Kxb3 Kd5 44. Rd3 f5 45. c4+ Ke4 46. Kc2 Bd6 47. c5 Bc7 48. Kc3 Kd5 49. Rf3 Bd8 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.12"]
[Round "1"]
[White "De Arco, Luis Carlos"]
[Black "Pacheco, Marco"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2248"]
[BlackElo "2399"]
[PlyCount "138"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nc6 8. Nb3 Nf6 9. Nbxd4 Nxd4 10. Nxd4 Bd7 11. c3 Qc7 12. Bb3 Bd6 13. h3 Bh2+ 14. Kh1 Bf4 15. Qf3 Bxc1 16. Raxc1 Bc6 17. Nxc6 Qxc6 18. Qxc6+ bxc6 19. Rfd1 Ke7 20. Rd4 Rhd8 21. Rcd1 Rxd4 22. Rxd4 a5 23. Ba4 Ra6 24. Kg1 Nd5 25. c4 Nf6 26. c5 Nd7 27. Rc4 Kd8 28. Bc2 g6 29. f4 Ra8 30. Ra4 Nxc5 31. Rc4 Na6 32. Be4 Rc8 33. Bxc6 Nb4 34. Bb5 Nxa2 35. Ra4 Rc5 36. Rxa5 Nb4 37. Ra8+ Ke7 38. Ra7+ Kf8 39. Rb7 Nd5 40. g3 h5 41. Bd3 h4 42. Kf2 Rc1 43. Be4 Nf6 44. Rb4 hxg3+ 45. Kxg3 Nh5+ 46. Kf3 Rf1+ 47. Kg2 Rxf4 48. Rb8+ Ke7 49. Bf3 Ng7 50. b4 Nf5 51. Be2 Ne3+ 52. Kg3 Nd5 53. b5 Rb4 54. Rb7+ Kf6 55. Bf3 g5 56. Bxd5 exd5 57. b6 Rb3+ 58. Kg2 Kf5 59. Rd7 Kf4 60. Rxd5 Rb2+ 61. Kf1 Rxb6 62. Rd4+ Kg3 63. Rd3+ Kh4 64. Kg2 Rb2+ 65. Kg1 Rb6 66. Kg2 Kh5 67. Rf3 f6 68. Kg3 Kg6 69. Rd3 Rc6 1/2-1/2

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.12"]
[Round "2"]
[White "Lozano Ramirez, Nestor Favian"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2051"]
[BlackElo "2248"]
[PlyCount "72"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 g6 4. Nc3 Bg7 5. d3 Nc6 6. e4 d6 7. Nge2 0-0 8. 0-0 Nd4 9. Nxd4 cxd4 10. Ne2 e5 11. h3 Nd7 12. f4 f5 13. exf5 gxf5 14. b4 a5 15. Bd2 axb4 16. Bd5+ Kh8 17. fxe5 Bxe5 18. Bh6 Re8 19. Nf4 Nf6 20. Bg5 Qe7 21. Nh5 Qf8 22. Nxf6 Bxf6 23. Bd2 Qg7 24. Kg2 Be6 25. Bxe6 Rxe6 26. Qf3 Be5 27. Kf2 Bxg3+ 28. Qxg3 Re2+ 29. Kf3 Qxg3+ 30. Kxg3 Rxd2 31. Rxf5 b3 32. Raf1 bxa2 33. Rf8+ Rxf8 34. Rxf8+ Kg7 35. Ra8 Rxd3+ 36. Kf4 Rd2 0-1

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "7"]
[White "Cuartas, Jaime Alexander"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2517"]
[BlackElo "2247"]
[PlyCount "77"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. e5 dxe5 8. Nxe5 Bd7 9. Nxd7 Qxd7 10. Bb5 Bg7 11. 0-0 0-0 12. Bf4 Qf5 13. Rad1 e5 14. Be3 Rfc8 15. h3 e4 16. Bxc6 Rxc6 17. Qb3 b6 18. Nd5 Nxd5 19. Rxd5 Qe6 20. Rfd1 Bf6 21. c3 Kg7 22. Rd7 Qxb3 23. axb3 a5 24. Rb7 Rd8 25. Rdd7 Rxd7 26. Rxd7 Be5 27. Re7 Kf6 28. Re8 Rd6 29. g4 Rd1+ 30. Kg2 b5 31. h4 Rd5 32. c4 bxc4 33. bxc4 Rd7 34. Bg5+ Kg7 35. Rxe5 f6 36. Rd5 Rxd5 37. cxd5 fxg5 38. hxg5 Kf7 39. Kg3 1-0

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "10"]
[White "De Arco, Luis Carlos"]
[Black "Martinez Romero, Martin"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2247"]
[BlackElo "2354"]
[PlyCount "78"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Nc6 6. e6 fxe6 7. Nc3 e5 8. d5 Nd4 9. Nxd4 exd4 10. Qxd4 e5 11. dxe6 Bxe6 12. Be2 Qd7 13. Bg5 Qf7 14. 0-0 Nxc4 15. Rfe1 Ne5 16. f4 Nc6 17. Qd1 Kd7 18. Bg4 Re8 19. Rxe6 Rxe6 20. Qb3 Be7 21. Re1 Nd4 22. Qa4+ Kd8 23. Bxe6 Nxe6 24. Qxa7 Rf8 25. Bxe7+ Qxe7 26. Nd5 Qf7 27. Qxb7 Kd7 28. Nb6+ Ke7 29. Qxc7+ Kf6 30. Nd5+ Kg6 31. Qxd6 Re8 32. g4 Qa7+ 33. Qb6 Qxb6+ 34. Nxb6 Kf7 35. f5 Nc7 36. Rxe8 Nxe8 37. Kf2 Kf6 38. Nc4 Kg5 39. Kg3 Nf6 1-0

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "6"]
[White "De Arco, Luis Carlos"]
[Black "Mendoza, Rafael"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2247"]
[BlackElo "2343"]
[PlyCount "12"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 c6 5. 0-0 Nbd7 6. Bf4 e6 1/2-1/2

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "8"]
[White "De Arco, Luis Carlos"]
[Black "Pena, Dario"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2247"]
[BlackElo "1965"]
[PlyCount "118"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 c5 7. dxc5 Bxc5 8. Bd3 0-0 9. 0-0 b6 10. Ne4 Be7 11. Bf4 Nc5 12. Nxc5 Bxc5 13. Qe2 Bb7 14. Rad1 Qe7 15. c3 Rfd8 16. Bg5 h6 17. Bh4 Rac8 18. Ne5 a5 19. Ng4 Kh8 20. Bxf6 gxf6 21. Qd2 Qf8 22. Qxh6+ Qxh6 23. Nxh6 Kg7 24. Ng4 f5 25. Ne5 Kf6 26. Rfe1 Rd5 27. Nf3 Rg8 28. Be2 Rg4 29. Kf1 Rg8 30. a3 a4 31. Bc4 Rxd1 32. Rxd1 Bc6 33. Be2 e5 34. g3 f4 35. gxf4 exf4 36. h4 Rh8 37. Nd4 Be4 38. Bf3 Bg6 39. h5 Bxh5 40. Bxh5 Rxh5 41. Ke2 Rh2 42. Rd2 Rh3 43. Nf3 Rh1 44. Rc2 Rb1 45. Ne1 Kf5 46. Nd3 Be7 47. Rc1 Rxc1 48. Nxc1 Ke4 49. f3+ Kd5 50. Kd3 b5 51. Ne2 Bd6 52. Nd4 Kc5 53. Nf5 Bc7 54. Nh6 f6 55. Ng4 Bd8 56. Nf2 Kd5 57. Ne4 Be7 58. Nd2 Bc5 59. Ne4 Be7 1/2-1/2

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "4"]
[White "De Arco, Luis Carlos"]
[Black "Polo, Victor Ramon"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "2247"]
[BlackElo "2171"]
[PlyCount "64"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. 0-0 Nf6 6. Nc3 exd4 7. Nxd4 Be7 8. b3 0-0 9. Bb2 Re8 10. h3 Bf8 11. Re1 g6 12. Nxc6 bxc6 13. Bc4 Bg7 14. Qf3 Be6 15. Bxe6 fxe6 16. e5 Nd5 17. exd6 cxd6 18. Rad1 Qf6 19. Qxf6 Nxf6 20. Rxd6 Rad8 21. Rdxe6 Rxe6 22. Rxe6 Rd2 23. Re2 Rd7 24. g3 Kf7 25. Kg2 Bf8 26. Ne4 Nxe4 27. Rxe4 Rd2 28. Rc4 c5 29. Ba3 Rd5 30. c3 Ke6 31. b4 Rd2 32. bxc5 Rxa2 1-0

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "5"]
[White "Gallego Alcaraz, Andres Felipe"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2410"]
[BlackElo "2247"]
[PlyCount "80"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. g3 a6 6. Bg2 Qc7 7. 0-0 Be7 8. Nc3 0-0 9. e4 Nc6 10. b3 b6 11. Bb2 Bb7 12. Rc1 Nxd4 13. Qxd4 Bc5 14. Qd2 Bc6 15. Nd5 exd5 16. cxd5 Bb5 17. Rfd1 a5 18. Qg5 h6 19. Qh4 Qd8 20. e5 Nh7 21. Qe4 d6 22. e6 fxe6 23. dxe6 Qe7 24. Qxa8 Rxa8 25. Bxa8 Ng5 26. Bd5 Nh3+ 27. Kg2 Ng5 28. a3 Ba6 29. f4 Nxe6 30. f5 Bb7 31. fxe6 Bxd5+ 32. Rxd5 Qxe6 33. Rd2 Qxb3 34. Re1 Bxa3 35. Bxa3 Qxa3 36. Red1 b5 37. Rxd6 b4 38. Ra6 b3 39. Rd8+ Kh7 40. Rda8 b2 0-1

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "11"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2314"]
[BlackElo "2247"]
[PlyCount "63"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. 0-0 0-0 8. c3 d6 9. Rd1 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 c4 13. h3 Nb7 14. Nbd2 Nc5 15. Nf1 Re8 16. g4 Bf8 17. Ng3 g6 18. Kh2 a5 19. Rg1 b4 20. cxb4 axb4 21. Qxc4 Rb8 22. Qe2 Ba6 23. Qd1 Rec8 24. Be3 Qa5 25. Qd2 Qb5 26. Bh6 b3 27. axb3 Nxb3 28. Bxb3 Qxb3 29. Bxf8 Rxf8 30. Nxe5 Qb7 31. Nc6 Rbe8 32. Qd4 1-0

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.10"]
[Round "9"]
[White "Valderrama Espinosa, Gilberto"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2243"]
[BlackElo "2247"]
[PlyCount "138"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. exd5 Nf6 6. Nc3 Bg7 7. Nf3 0-0 8. Be2 Nxd5 9. 0-0 Nc6 10. h3 b6 11. Nxd5 Qxd5 12. Be3 Bb7 13. Qa4 e6 14. Ba6 Bxa6 15. Qxa6 Nxd4 16. Bxd4 Bxd4 17. Rad1 e5 18. Rfe1 Qc5 19. Nxd4 exd4 20. Re4 Rfd8 21. Qd3 Rac8 22. g3 Qc4 23. Rxd4 Rxd4 24. Qxd4 Qxa2 25. h4 Qc4 26. Qf6 Qe6 27. Qxe6 fxe6 28. Rd7 Rc2 29. Rxa7 Rxb2 30. Kg2 b5 31. Rb7 b4 32. Kf3 b3 33. Ke3 Rb1 34. Kf4 Kf8 35. Kg5 b2 36. Kf6 Ke8 37. Kg7 e5 38. Kxh7 e4 39. Kxg6 e3 40. fxe3 Rg1 41. Rxb2 Rxg3+ 42. Kf6 Rxe3 43. Rb8+ Kd7 44. h5 Rf3+ 45. Kg7 Rg3+ 46. Kh7 Ke7 47. Rg8 Rh3 48. Rg5 Kf6 49. Rg6+ Kf7 50. h6 Rh2 51. Ra6 Rc2 52. Ra7+ Kf6 53. Ra8 Rh2 54. Rf8+ Kg5 55. Rg8+ Kf6 56. Rg6+ Kf7 57. Rg1 Kf6 58. Rf1+ Ke7 59. Kg7 Rg2+ 60. Kh8 Rh2 61. h7 Rg2 62. Ra1 Kf7 63. Ra7+ Kf8 64. Ra8+ Kf7 65. Rg8 Rb2 66. Rg7+ Kf6 67. Rg1 Rb8+ 68. Rg8 Rb7 69. Rf8+ Kg6 1/2-1/2

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.09"]
[Round "2"]
[White "De Arco, Luis Carlos"]
[Black "Vallejo Roman, Sixto Alberto"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2247"]
[PlyCount "103"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. 0-0 a6 7. Nxc6 bxc6 8. Bc4 Be7 9. f4 Nf6 10. Nc3 0-0 11. h3 Qc8 12. e5 Ne8 13. Be3 d5 14. Bd3 Bf5 15. g4 Bxd3 16. Qxd3 Rb8 17. b3 f6 18. Na4 Rb5 19. c4 dxc4 20. Qxc4+ Kh8 21. Bc5 Bxc5+ 22. Nxc5 h6 23. Rad1 a5 24. Nd7 Rg8 25. Qxc6 Qb7 26. Qxb7 Rxb7 27. Rfe1 c6 28. e6 Nc7 29. f5 Nd5 30. Rc1 Rc7 31. Rc5 Ra8 32. Rec1 Ne7 33. Nb6 Rb8 34. Nd5 Nxd5 35. Rxd5 Kg8 36. Rxa5 Kf8 37. Rac5 Rbc8 38. a4 Rb7 39. Rxc6 Rxc6 40. Rxc6 Rxb3 41. Kg2 Ra3 42. Rc8+ Ke7 43. Rc7+ Kf8 44. Rf7+ Kg8 45. Ra7 Kf8 46. a5 Ra2+ 47. Kg3 Ra1 48. a6 Ra4 49. Ra8+ Ke7 50. a7 Kd6 51. Rd8+ Ke5 52. a8Q 1-0

[Event "Pamplona IRT rap op"]
[Site "Pamplona"]
[Date "2012.11.09"]
[Round "3"]
[White "Escobar Forero, Alder"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2469"]
[BlackElo "2247"]
[PlyCount "81"]
[EventDate "2012.11.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Nc2 0-0 9. 0-0 Nd7 10. Nd5 Nc5 11. f3 e6 12. Nde3 f5 13. exf5 gxf5 14. Rb1 f4 15. Ng4 e5 16. b4 Na4 17. Rb3 Be6 18. Bd3 d5 19. cxd5 Bxd5 20. Ra3 b5 21. Nf2 a6 22. Be4 Bxe4 23. Nxe4 Qb6+ 24. Kh1 Rad8 25. Rd3 Rxd3 26. Qxd3 h6 27. g3 fxg3 28. hxg3 Nd4 29. Be3 Qe6 30. Bxd4 exd4 31. Nxd4 Qxa2 32. Nb3 Qb2 33. f4 Nc3 34. Ned2 Re8 35. f5 Bf6 36. Rf4 Ne2 37. Rg4+ Kh7 38. Ne4 Re7 39. Qxe2 h5 40. Nxf6+ Qxf6 41. Re4 1-0

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.09"]
[Round "9"]
[White "Martinez Romero, Martin"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2390"]
[BlackElo "2232"]
[PlyCount "113"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Rb1 d5 8. cxd5 Nxd5 9. Qb3 Nc7 10. d3 b6 11. Be3 Nd4 12. Bxd4 cxd4 13. Ne4 Be6 14. Qa3 Bd5 15. Nfd2 h6 16. Rfc1 Ne6 17. Nb3 Qd7 18. Rc2 a5 19. Rbc1 a4 20. Na1 Ra5 21. f3 f5 22. Nd2 Be5 23. Nc4 Bxc4 24. Rxc4 f4 25. b4 Rd5 26. g4 b5 27. Rc6 Rd6 28. Rxd6 Bxd6 29. Qb2 Rc8 30. Rxc8+ Qxc8 31. Nc2 Be5 32. Kf1 Qc3 33. Qxc3 dxc3 34. Ke1 g5 35. Kd1 Nd4 36. Bf1 Nxc2 37. Kxc2 Bd4 38. Bh3 Kf7 39. Bf1 Ke6 40. Bh3 Kd5 41. Bf1 Be5 42. e3 fxe3 43. d4 Kxd4 44. Bxb5 a3 45. Kb3 Bd6 46. Kxa3 Bxb4+ 47. Kb3 e5 48. a4 Ba5 49. Be2 e4 50. fxe4 Kxe4 51. Kc2 Kd4 52. Kb3 Bc7 53. Kc2 Bxh2 54. a5 Bb8 55. a6 Ba7 56. Kb3 Ke4 57. Kxc3 1/2-1/2

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.08"]
[Round "7"]
[White "Cuartas, Jaime Alexander"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2517"]
[BlackElo "2232"]
[PlyCount "55"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. Bb5 Bd7 8. Bg5 Bg7 9. 0-0-0 a6 10. Bxc6 Bxc6 11. Qb4 Qc7 12. Rhe1 0-0 13. Nd5 Bxd5 14. exd5 Rac8 15. Re2 Rfe8 16. Kb1 b5 17. Bxf6 Bxf6 18. Nd4 Qc5 19. Qxc5 dxc5 20. Nf3 Red8 21. Red2 Rd6 22. c3 c4 23. Kc2 Rc5 24. Ng1 Bg5 25. Rd4 Bf6 26. R4d2 Bg5 27. Rd4 Bf6 28. R4d2 1/2-1/2

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.08"]
[Round "8"]
[White "De Arco, Luis Carlos"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2232"]
[BlackElo "2332"]
[PlyCount "44"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 a6 7. Nc4 Nbd7 8. Bf4 b5 9. Ne3 Qc6 10. Be2 Bb7 11. Ne5 Nxe5 12. Bxe5 Nd7 13. Bf3 Qc8 14. 0-0 Nxe5 15. dxe5 Be7 16. a4 0-0 17. axb5 axb5 18. Rxa8 Bxa8 19. Bxa8 Qxa8 20. Qd7 Bg5 21. Qxb5 Bxe3 22. fxe3 Qd5 1/2-1/2

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.07"]
[Round "6"]
[White "De Arco, Luis Carlos"]
[Black "Polo, Victor Ramon"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2232"]
[BlackElo "2171"]
[PlyCount "103"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nge7 5. c3 Bb6 6. d4 exd4 7. cxd4 d5 8. exd5 Nxd5 9. Re1+ Be6 10. Bg5 Qd6 11. Nbd2 0-0 12. Nc4 Qb4 13. Bxc6 bxc6 14. Qc1 Rfe8 15. Bd2 Qf8 16. Nxb6 cxb6 17. Qxc6 Rac8 18. Qa4 f6 19. Rac1 Rxc1 20. Rxc1 Qf7 21. a3 Rd8 22. Be3 h6 23. Nd2 Qg6 24. Nf1 a5 25. Qc2 Bf5 26. Qd2 h5 27. Ng3 h4 28. Nxf5 Qxf5 29. Qc2 Qxc2 30. Rxc2 Kf7 31. Kf1 Rd7 32. Ke2 Rc7 33. Rxc7+ Nxc7 34. Kd3 b5 35. Bd2 a4 36. d5 Nxd5 37. Kd4 Ke6 38. Kc5 Ke5 39. Bc3+ Ke4 40. f3+ Ke3 41. Bd4+ Ke2 42. Kxd5 Kf1 43. Bb6 Kxg2 44. Bc7 Kxf3 45. Kc5 g5 46. Kxb5 g4 47. Kxa4 f5 48. b4 f4 49. b5 g3 50. hxg3 h3 51. b6 h2 52. b7 1-0

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.07"]
[Round "5"]
[White "Navia Alvarez, Edwin Adrian"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2069"]
[BlackElo "2232"]
[PlyCount "98"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 e6 4. Nc3 Qc7 5. d4 cxd4 6. Nxd4 Nf6 7. Be2 Bb4 8. Qd3 Bxc3+ 9. bxc3 b6 10. Bg5 Bb7 11. f3 d6 12. 0-0 Nbd7 13. Rab1 0-0 14. Rfd1 Rfd8 15. Kh1 Rab8 16. Qe3 Qc5 17. Nc2 Ba8 18. Bf4 e5 19. Bg5 h6 20. Bh4 a5 21. Bf1 Bc6 22. Qd2 Ba4 23. Rb2 Bxc2 24. Rxc2 g5 25. Bf2 Qa3 26. Qxd6 Nc5 27. Qxd8+ Rxd8 28. Rxd8+ Kg7 29. h4 Qa4 30. Rdd2 Qc6 31. hxg5 hxg5 32. Bg3 Qe6 33. Bh2 g4 34. Be2 gxf3 35. gxf3 Qh3 36. Kg1 Qh5 37. Bd1 Kf8 38. Be2 Ne6 39. Rb2 Nf4 40. Kh1 Nxe2 41. Rxe2 Qxf3+ 42. Kg1 Ng4 43. Rbd2 Qxc3 44. Rd8+ Ke7 45. Rdd2 Qf3 46. Rg2 Ne3 47. Rgf2 Qg4+ 48. Kh1 Qxe4+ 49. Rg2 Nxg2 0-1

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.06"]
[Round "4"]
[White "De Arco, Luis Carlos"]
[Black "Arenas Vanegas, David"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2232"]
[BlackElo "2443"]
[PlyCount "70"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. 0-0 Nbd7 7. b3 Be7 8. Bb2 c5 9. Ne5 0-0 10. Qe2 Qc7 11. Nxd7 Nxd7 12. f4 Rac8 13. f5 exf5 14. dxc5 bxc5 15. Bxf5 g6 16. Bh3 Rce8 17. Qd3 Bd6 18. Bxd7 Qxd7 19. Nf3 Qe6 20. Rfe1 f6 21. Rad1 Bc7 22. Ba3 Bb6 23. Kh1 Rd8 24. Qc3 Rc8 25. b4 d4 26. exd4 cxd4 27. Qb2 Qf5 28. Rd3 Be4 29. Qb3+ Kh8 30. b5 Rfd8 31. Qf7 Bd5 32. Qe7 Rxc2 33. Rxd4 Qxf3 34. gxf3 Bxf3+ 35. Kg1 Bxd4+ 0-1

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.06"]
[Round "3"]
[White "Mendoza, Rafael"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2343"]
[BlackElo "2232"]
[PlyCount "21"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. b3 Bf5 5. Bb2 Nbd7 6. 0-0 e6 7. d3 h6 8. Nbd2 Be7 9. c4 0-0 10. a3 a5 11. Bc1 1/2-1/2

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.05"]
[Round "1"]
[White "Arango, Elis"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1931"]
[BlackElo "2232"]
[PlyCount "121"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 c5 3. d5 b5 4. Bg2 d6 5. Bg5 Nbd7 6. e4 Bb7 7. Qe2 Qb6 8. Nd2 h6 9. Be3 a6 10. h3 g6 11. Ngf3 Bg7 12. 0-0 b4 13. a3 bxa3 14. Rxa3 0-0 15. Nc4 Qc7 16. Nfd2 Rab8 17. b3 Nb6 18. Nxb6 Qxb6 19. Nc4 Qc7 20. Na5 Bc8 21. Bd2 Re8 22. Nc6 Ra8 23. Ba5 Qb7 24. e5 dxe5 25. Nxe5 Nxd5 26. c4 Be6 27. cxd5 Bxd5 28. Bxd5 Qxd5 29. Nc4 Rab8 30. Rd1 Qc6 31. Qd3 Bd4 32. Ne3 e5 33. Nc2 Qe6 34. Nxd4 cxd4 35. h4 Qd5 36. b4 Re6 37. Qd2 Kh7 38. Rd3 Rb7 39. Qe2 Rd7 40. h5 Qb5 41. hxg6+ Rxg6 42. Qe4 Kg7 43. Rf3 Qd5 44. Qxd5 Rxd5 45. Rf5 Rc6 46. f4 f6 47. fxe5 fxe5 48. Kf2 Kg6 49. g4 Rc3 50. Bb6 Rc4 51. Bc5 d3 52. Ke3 Rxg4 53. Rf8 a5 54. Rg8+ Kf5 55. Rf1+ Rf4 56. Rxf4+ exf4+ 57. Kd2 axb4 58. Bxb4 Ke4 59. Re8+ Re5 60. Rxe5+ Kxe5 61. Kxd3 1/2-1/2

[Event "Pamplona Sub zt 2.3"]
[Site "Pamplona"]
[Date "2012.11.05"]
[Round "2"]
[White "De Arco, Luis Carlos"]
[Black "Mendez, Wilford"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2232"]
[BlackElo "1894"]
[PlyCount "79"]
[EventDate "2012.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d5 5. exd5 Qxd5 6. Nf3 e6 7. Nc3 Qd8 8. Be3 Nf6 9. Ne5 Bd7 10. Bc4 Rc8 11. Bb3 Bb4 12. 0-0 0-0 13. Nxd7 Qxd7 14. d5 exd5 15. Nxd5 Nxd5 16. Qxd5 Qxd5 17. Bxd5 b6 18. a3 Bd6 19. Rad1 Be5 20. b3 Ne7 21. Bc4 Rfd8 22. Rfe1 Nc6 23. Bg5 Bf6 24. Bxf6 gxf6 25. f4 Rxd1 26. Rxd1 Rd8 27. Rxd8+ Nxd8 28. Kf2 Kf8 29. Ke3 Ke7 30. Ke4 Ne6 31. g4 Nc7 32. h4 h6 33. h5 Ne8 34. Kd5 Nd6 35. Bd3 Kd7 36. b4 Kc7 37. g5 fxg5 38. fxg5 Ne8 39. gxh6 Nf6+ 40. Kd4 1-0

[Event "COL-ch Universities"]
[Site "Santa Marta"]
[Date "2012.10.27"]
[Round "4"]
[White "Esquivia Cuadrado, Franklin Javier"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2000"]
[BlackElo "2235"]
[PlyCount "56"]
[EventDate "2012.10.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c6 4. e3 Qb6 5. Qc1 Bf5 6. c3 e6 7. Be2 h6 8. 0-0 Nbd7 9. Nbd2 c5 10. a4 Bd6 11. a5 Qc7 12. Bxd6 Qxd6 13. c4 0-0 14. b4 cxb4 15. c5 Qc7 16. Qb2 b6 17. cxb6 axb6 18. a6 Qc3 19. Qa2 Rfc8 20. Bb5 Ra7 21. Nb3 Bd3 22. Rfc1 Bxb5 23. Rxc3 bxc3 24. Qc2 Rxa6 25. Rc1 Ra3 26. Nbd2 Ba4 27. Qd3 b5 28. Nb1 Ra1 0-1

[Event "COL-ch Universities"]
[Site "Santa Marta"]
[Date "2012.10.26"]
[Round "1"]
[White "De Arco, Luis Carlos"]
[Black "Mendez Rivera, Anderson Heribert"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2235"]
[BlackElo "1991"]
[PlyCount "32"]
[EventDate "2012.10.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Qa4+ Bd7 13. Qb4 a5 14. Qd6 Qxd6 15. exd6 Nf5 16. Rd1 0-0 1/2-1/2

[Event "COL-ch Universities"]
[Site "Santa Marta"]
[Date "2012.10.26"]
[Round "2"]
[White "Riveros, Sergio Andres"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1931"]
[BlackElo "2235"]
[PlyCount "63"]
[EventDate "2012.10.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qa5 9. Be3 Nf6 10. 0-0 Be7 11. Qb3 Qb4 12. Qxb4 Bxb4 13. Rac1 0-0 14. Rfd1 Rfd8 15. h3 Bh5 16. a3 Be7 17. Kf1 Nd5 18. Nxd5 Rxd5 19. Ne5 Bxe2+ 20. Kxe2 Nd8 21. Rc7 Bd6 22. Rd7 f6 23. Nc4 Bf8 24. Rxd5 exd5 25. Na5 b6 26. Nb3 Rc8 27. Rc1 Rxc1 28. Nxc1 Ne6 29. Nd3 Bd6 30. f4 g6 31. Kf3 Kf7 32. g4 1/2-1/2

[Event "Maicao op"]
[Site "Maicao"]
[Date "2012.10.14"]
[Round "4"]
[White "Charris Zabaleta, Rafael Julio"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1796"]
[BlackElo "2235"]
[PlyCount "68"]
[EventDate "2012.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. c3 Bf5 7. Be2 Nbd7 8. 0-0 h6 9. Bh4 Re8 10. b4 c6 11. Bg3 Nh5 12. Nh4 Nxg3 13. hxg3 Be6 14. f4 g5 15. f5 gxh4 16. fxe6 fxe6 17. Bg4 Nf6 18. Bxe6+ Kh8 19. gxh4 Qd6 20. Bf5 e5 21. Qf3 e4 22. Qf4 Qxf4 23. Rxf4 a5 24. Nb3 axb4 25. cxb4 Ra3 26. Rf2 Rea8 27. Rb2 Bf8 28. Kf2 Bxb4 29. Nc5 Bc3 30. Rxb7 Bxa1 31. Rf7 Rxa2+ 32. Kg3 Nh5+ 33. Kg4 Ng7 34. Bg6 Rxg2+ 0-1

[Event "Maicao op"]
[Site "Maicao"]
[Date "2012.10.14"]
[Round "6"]
[White "Chavez Yanchapaxi, Eduardo Salvador"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2118"]
[BlackElo "2235"]
[PlyCount "71"]
[EventDate "2012.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. c3 d6 10. d3 h6 11. Nbd2 Re8 12. Nf1 Na5 13. Bc2 c5 14. Ng3 Bf8 15. Nf5 d5 16. axb5 axb5 17. exd5 Qxd5 18. Ne3 Qd7 19. Qe2 Bc6 20. Nd2 Nd5 21. Nxd5 Qxd5 22. f3 Qd7 23. Nf1 b4 24. Be3 b3 25. Bb1 Bd5 26. Nd2 Be6 27. Qf2 c4 28. dxc4 Nxc4 29. Rxa8 Rxa8 30. Nxc4 Bxc4 31. Qg3 Qd6 32. Qg4 Ra4 33. Qf5 g6 34. Qc8 Be6 35. Qe8 Kh7 36. Qxa4 1-0

[Event "Maicao op"]
[Site "Maicao"]
[Date "2012.10.14"]
[Round "5"]
[White "De Arco, Luis Carlos"]
[Black "Mendoza, Rafael"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2235"]
[BlackElo "2343"]
[PlyCount "71"]
[EventDate "2012.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Na5 11. Bc2 Nc4 12. b3 Nb6 13. Nbd2 Nbd7 14. Nf1 Re8 15. Ng3 Bf8 16. a4 c6 17. Bg5 g6 18. Qd2 Bg7 19. Bd3 Nf8 20. Bh6 Bh8 21. a5 Ne6 22. Bf1 Nd7 23. b4 c5 24. d5 Nef8 25. Nh2 cxb4 26. cxb4 Qe7 27. Ng4 Rac8 28. Bg5 Bf6 29. Bxf6 Nxf6 30. Nf5 gxf5 31. Qg5+ Kh8 32. Qxf6+ Qxf6 33. Nxf6 Red8 34. exf5 Kg7 35. Nh5+ Kh6 36. Nf6 1/2-1/2

[Event "Maicao op"]
[Site "Maicao"]
[Date "2012.10.13"]
[Round "3"]
[White "De Arco, Luis Carlos"]
[Black "Fonseca, Luis"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2235"]
[BlackElo "1680"]
[PlyCount "27"]
[EventDate "2012.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. 0-0 e5 8. Qd3 Nf6 9. b3 Be7 10. Bg5 Bg4 11. Rd1 d5 12. Bxf6 Bxf6 13. h3 Be6 14. Nc3 1-0

[Event "Maicao op"]
[Site "Maicao"]
[Date "2012.10.13"]
[Round "1"]
[White "De Arco, Luis Carlos"]
[Black "Manotas Martinez, Hector Manuel"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2235"]
[BlackElo "1647"]
[PlyCount "39"]
[EventDate "2012.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 a6 8. 0-0 b5 9. f4 Nb6 10. f5 Bd7 11. fxe6 Bxe6 12. Nf3 Be7 13. Nf4 Bg4 14. h3 Bxf3 15. Qxf3 0-0 16. Qg4 cxd4 17. Nh5 Rc8 18. cxd4 g6 19. Nf6+ Kg7 20. Qg5 1-0

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.30"]
[Round "10"]
[White "De Arco, Luis Carlos"]
[Black "Alcala Vitora, Wilfredo Enrique"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2235"]
[BlackElo "1962"]
[PlyCount "94"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 Bb7 9. c3 d5 10. exd5 Nxd5 11. d3 Bf6 12. Na3 Re8 13. Nc2 a5 14. Ne3 Nf4 15. Bc2 Ne7 16. Nf1 Neg6 17. Bxf4 Nxf4 18. Ng3 g6 19. Ne4 Bg7 20. a4 b4 21. Kh2 h6 22. g3 Ne6 23. Bb3 Bd5 24. Kg2 f5 25. Ned2 Nc5 26. d4 Nxb3 27. Nxb3 e4 28. Ng1 e3+ 29. f3 bxc3 30. bxc3 Qg5 31. Ne2 Rab8 32. Rb1 Bc4 33. Nc5 Rxb1 34. Qxb1 Bxe2 35. Rxe2 f4 36. g4 Qh4 37. Qe1 Qxe1 38. Rxe1 Rb8 39. Re2 Kf7 40. h4 Bf6 41. Nd3 g5 42. hxg5 hxg5 43. Rb2 Rxb2+ 44. Nxb2 Ke6 45. Kf1 Kd5 46. Ke2 c5 47. dxc5 Bxc3 0-1

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.29"]
[Round "8"]
[White "De Arco, Luis Carlos"]
[Black "Molina, Roberto Junio Brito"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2235"]
[BlackElo "2402"]
[PlyCount "109"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. exd5 Qxd5 7. 0-0 cxd4 8. Re1 Nc6 9. Qe2 0-0 10. Nb3 Rd8 11. Bg5 b6 12. Rad1 Bb7 13. c4 Qd6 14. Bb1 h6 15. Bh4 Nh5 16. Nfxd4 Bxh4 17. Qxh5 Nxd4 18. Nxd4 Bf6 19. Nxe6 Qc6 20. Be4 Rxd1 21. Qxd1 Qc8 22. Nf4 Bxe4 23. Rxe4 Bxb2 24. Qd5 Ba3 25. g3 Qd8 26. Kg2 Qxd5 27. Nxd5 Kf8 28. f4 g6 29. Kf3 Rd8 30. Ke2 Bc5 31. g4 b5 32. Kd3 bxc4+ 33. Kxc4 Bd6 34. h3 Rc8+ 35. Kb3 Rc1 36. f5 gxf5 37. gxf5 Rf1 38. f6 Rf5 39. Kc4 h5 40. a4 a6 41. Re3 Be5 42. Rb3 Bxf6 43. Rb6 Bg5 44. Rxa6 Rf3 45. h4 Bd2 46. Rf6 Rh3 47. Rf2 Rxh4+ 48. Kb5 Be1 49. Re2 Rh1 50. a5 Bxa5 51. Kxa5 h4 52. Kb5 h3 53. Kc5 h2 54. Kd6 Kg7 55. Ke5 1/2-1/2

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.29"]
[Round "9"]
[White "Guramishvili, Sopiko"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2418"]
[BlackElo "2235"]
[PlyCount "79"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. Re1 0-0 8. e4 d6 9. d4 cxd4 10. Nxd4 Qc7 11. b3 a6 12. Bb2 Nc6 13. Rc1 Nxd4 14. Qxd4 Rab8 15. h3 Rfd8 16. Kh2 Bf8 17. f4 h5 18. Qf2 Ba8 19. Na4 Nd7 20. Qf3 Nc5 21. Nc3 Qd7 22. Qd1 b5 23. cxb5 axb5 24. b4 Na4 25. Nxa4 bxa4 26. a3 h4 27. gxh4 d5 28. e5 Rbc8 29. Bd4 Rxc1 30. Qxc1 Rc8 31. Qd1 Qc6 32. Re2 Bb7 33. Rd2 Be7 34. h5 Qc1 35. Qxc1 Rxc1 36. Bb2 Rb1 37. Bf3 Bd8 38. Rc2 Bc6 39. Bc1 Rb3 40. Bd1 1/2-1/2

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.28"]
[Round "6"]
[White "De Arco, Luis Carlos"]
[Black "Fernandez Rivero, Karla July"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2235"]
[BlackElo "2017"]
[PlyCount "105"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 Bg7 17. Qc1 Kh7 18. Nh2 c5 19. d5 c4 20. Be3 Qc8 21. Qd2 h5 22. b4 cxb3 23. axb3 Nc5 24. b4 Ncd7 25. Bd3 Qc7 26. Nf3 Nb6 27. Qe2 Nc4 28. Bxc4 bxc4 29. Nd2 Rac8 30. Bg5 Nd7 31. Ngf1 Nb6 32. g4 hxg4 33. hxg4 Rh8 34. Qf3 Kg8 35. Ne3 Qd7 36. Bf6 Bxf6 37. Qxf6 Bxd5 38. Rxa6 Bxe4 39. Nxe4 Qb7 40. Rxb6 Qxe4 41. f3 Qd3 42. Rxd6 Qxc3 43. Ng2 Qxb4 44. Qxe5 c3 45. Qd4 Qb8 46. Ne3 Re8 47. Nc2 Rf8 48. Kg2 Qb2 49. Qd3 Qb7 50. Re2 Rh4 51. Qd5 Qb8 52. Rxg6+ Kh7 53. Rd6 1-0

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.28"]
[Round "7"]
[White "Franco Martinez, Franvier Jose"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "2062"]
[BlackElo "2235"]
[PlyCount "68"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 a5 9. a4 d6 10. f3 Nxd4 11. Bxd4 Bd7 12. Qd2 Bc6 13. 0-0-0 Qe8 14. h4 b5 15. h5 b4 16. hxg6 bxc3 17. gxf7+ Rxf7 18. Bxf7+ Qxf7 19. Qxc3 Bxa4 20. e5 dxe5 21. Bxe5 Qe6 22. Rhe1 Rc8 23. Qxa5 Rxc2+ 24. Kb1 Bb3 25. Qa3 Rc8 26. Rc1 Bc4 27. g4 Qd5 28. Rcd1 Qb7 29. Qa5 Qxf3 30. Rd8+ Rxd8 31. Qxd8+ Bf8 32. g5 Nd5 33. Qa5 Qd3+ 34. Ka1 Ne3 0-1

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.27"]
[Round "4"]
[White "De Arco, Luis Carlos"]
[Black "Salazar Farias, Luis German"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2235"]
[BlackElo "2065"]
[PlyCount "105"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 0-0 8. Qd2 Nd7 9. 0-0-0 Nc5 10. Re1 Bf6 11. Nd4 Ne6 12. Be3 c5 13. Nxe6 Bxe6 14. a3 Qa5 15. Bg5 Bxg5 16. Qxg5 d5 17. Bd3 Qd8 18. Qf4 b5 19. Re3 c4 20. Be2 a5 21. Rg3 b4 22. Qe5 g6 23. h4 bxa3 24. bxa3 Qb8 25. Qd4 Qa7 26. Qf6 Rfe8 27. h5 Qe7 28. Qd4 Bf5 29. hxg6 fxg6 30. Bf3 Be4 31. Bxe4 Qxe4 32. Rd1 Qxd4 33. cxd4 Re2 34. Rd2 Re1+ 35. Rd1 Rxd1+ 36. Kxd1 Kf7 37. Rg5 Ke6 38. Re5+ Kd6 39. f4 Rb8 40. Kc1 Rf8 41. g3 h6 42. Kd2 Rb8 43. f5 gxf5 44. Rxf5 Rg8 45. Rf6+ Ke7 46. Ra6 Rxg3 47. Rxa5 Ke6 48. Ra6+ Kf5 49. Rxh6 Rxa3 50. Rh5+ Ke4 51. Rh4+ Kf5 52. Rh5+ Ke6 53. Rh6+ 1/2-1/2

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.26"]
[Round "2"]
[White "De Arco, Luis Carlos"]
[Black "Moreno Hernandez, Juan Jose"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2235"]
[BlackElo "1951"]
[PlyCount "67"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. dxc5 Qxd1+ 7. Kxd1 e5 8. b4 e4 9. h3 Bh5 10. g4 Nxg4 11. hxg4 Bxg4 12. Nbd2 exf3 13. Bb5+ Nc6 14. Re1+ Be6 15. Bc4 0-0-0 16. Bxe6+ fxe6 17. Kc2 g6 18. Nxf3 Bg7 19. Be3 Ne7 20. Ng5 Nd5 21. Bd2 Rd7 22. Nxe6 Nxb4+ 23. cxb4 Bxa1 24. Rxa1 Re8 25. Ng5 Re2 26. Rd1 h6 27. Nf3 g5 28. Kc3 Rxf2 29. Nd4 a6 30. a4 g4 31. Bxh6 g3 32. Be3 Rf3 33. Rd3 Rc7 34. Nxf3 1-0

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.26"]
[Round "3"]
[White "Villamil Alarcon, Hector Orlando"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2058"]
[BlackElo "2235"]
[PlyCount "79"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d3 Bg7 4. g3 Nc6 5. Bg2 Nf6 6. 0-0 d5 7. exd5 Nxd5 8. Nbd2 0-0 9. Re1 b6 10. Nc4 Bb7 11. Nfe5 Nxe5 12. Nxe5 Qc7 13. f4 e6 14. Qe2 Ne7 15. Bxb7 Qxb7 16. Qe4 Qxe4 17. Rxe4 Rfd8 18. Bd2 Rac8 19. Bc3 Nf5 20. Rae1 Nd6 21. R4e2 Nb5 22. Re4 Nxc3 23. bxc3 Bxe5 24. Rxe5 Kf8 25. Kf2 Rd6 26. c4 Ke7 27. f5 Rcc6 28. fxe6 Rxe6 29. Kf3 Rxe5 30. Rxe5+ Kd7 31. Re2 h6 32. Rf2 Rf6+ 33. Kg2 Rxf2+ 34. Kxf2 f5 35. c3 Kc6 36. a4 a6 37. Ke3 Kd6 38. d4 Kc6 39. d5+ Kd6 40. Kd3 1/2-1/2

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.25"]
[Round "1"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "De Arco, Luis Carlos"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2625"]
[BlackElo "2235"]
[PlyCount "79"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. g3 0-0 7. Bg2 Nc6 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. Rd1 Qc7 12. Bd2 Bd7 13. Rac1 Rac8 14. b3 Qb8 15. a4 Bc6 16. Bh3 Rcd8 17. Be3 Nd7 18. Nd5 Rfe8 19. a5 Ne5 20. Qd2 Bxd5 21. cxd5 f5 22. Rc2 Rc8 23. Rdc1 Rf8 24. Bg5 Bf6 25. Bh6 Rfe8 26. Be3 Rf8 27. Bb6 Rxc2 28. Qxc2 Qe8 29. e4 fxe4 30. Qxe4 Qb5 31. f4 Nf7 32. Qc4 Qe8 33. Qa4 Qb8 34. Qd7 g5 35. Be6 Kg7 36. Bxf7 Kxf7 37. fxg5 Bxg5 38. Qf5+ Bf6 39. Qxh7+ Ke8 40. Qh5+ 1-0

[Event "Medellin IRT op"]
[Site "Medellin"]
[Date "2012.08.07"]
[Round "8"]
[White "De Arco, Luis Carlos"]
[Black "Martinez, Jorge Alexander"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2233"]
[BlackElo "2197"]
[PlyCount "97"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d5 5. exd5 Qxd5 6. Nf3 e6 7. Nc3 Bb4 8. Bd3 Nf6 9. a3 Bxc3+ 10. bxc3 0-0 11. c4 Qh5 12. Bb2 Rd8 13. Qc2 b6 14. 0-0 Bb7 15. Rfe1 Rac8 16. Rad1 Na5 17. Re5 Bxf3 18. Rxh5 Bxh5 19. Rc1 Bg6 20. Bxg6 hxg6 21. Qe2 Rc7 22. c5 Rdc8 23. Bc3 Nb7 24. Bd2 Nd5 25. Be3 bxc5 26. dxc5 Nxe3 27. Qxe3 Nxc5 28. g3 Kh7 29. Kg2 a6 30. h4 Rc6 31. Rc4 R8c7 32. Qe5 f6 33. Qe3 e5 34. Qf3 e4 35. Qe3 f5 36. Qc3 Rc8 37. Qe5 Nd3 38. Rxc6 Rxc6 39. Qa5 Rc2 40. Qxa6 Rxf2+ 41. Kg1 Ra2 42. Qd6 Ne1 43. Qe7 Nf3+ 44. Kf1 Kh6 45. Qf8 Kh7 46. h5 e3 47. hxg6+ Kh6 48. Qh8+ Kg5 49. Qxg7 0-1

[Event "Medellin IRT op"]
[Site "Medellin"]
[Date "2012.08.07"]
[Round "9"]
[White "Franco, William"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2071"]
[BlackElo "2233"]
[PlyCount "66"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. a4 b4 5. c4 bxc3 6. bxc3 d5 7. a5 Bd6 8. c4 dxc4 9. Bg2 Bb7 10. a6 Bd5 11. 0-0 0-0 12. Nc3 c5 13. dxc5 Bxc5 14. Qc2 Nbd7 15. e4 Bc6 16. Re1 Ng4 17. Nd1 Nde5 18. Nxe5 Nxe5 19. Be3 Qe7 20. Qc3 Nd3 21. Qxc4 Nxe1 22. Bxc5 Qf6 23. Bd4 e5 24. Bc5 Rfd8 25. Nc3 Nxg2 26. Kxg2 Qe6 27. Qe2 f5 28. Ra3 Rd7 29. Be3 h6 30. Ra5 Rad8 31. Rc5 Rd3 32. Qc2 f4 33. Bc1 f3+ 0-1

[Event "Medellin IRT op"]
[Site "Medellin"]
[Date "2012.08.06"]
[Round "6"]
[White "De Arco, Luis Carlos"]
[Black "Cadena Montoya, Gustavo Adolfo"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2233"]
[BlackElo "2101"]
[PlyCount "53"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. h3 Bd6 7. Bd3 0-0 8. Ne2 Be6 9. Be3 Nd7 10. Qd2 Re8 11. c4 Nf8 12. 0-0 Ng6 13. f4 Qe7 14. c5 Bf5 15. Bxf5 Qxe3+ 16. Qxe3 Rxe3 17. Nc3 Bc7 18. d5 Nh4 19. Be4 Ba5 20. Rae1 Rxe1 21. Rxe1 f5 22. dxc6 fxe4 23. cxb7 Rb8 24. Rxe4 Kf8 25. c6 Nf5 26. Nd5 Nd6 27. Ra4 1-0

[Event "Medellin IRT op"]
[Site "Medellin"]
[Date "2012.08.06"]
[Round "7"]
[White "Henao, Bernardo Andres"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2076"]
[BlackElo "2233"]
[PlyCount "104"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. b3 g6 8. e4 Bg7 9. Bd3 d6 10. Nd2 0-0 11. Ne2 Nbd7 12. Nc4 Qc7 13. Rc1 Re8 14. a4 a6 15. a5 b5 16. axb6 Nxb6 17. 0-0 Nxc4 18. Bxc4 Nd7 19. Qd2 Nb6 20. Bd3 c4 21. bxc4 Nxc4 22. Bxc4 Qxc4 23. Be3 a5 24. Bd4 Ba6 25. Rf2 Qd3 26. Qxd3 Bxd3 27. Bxg7 Kxg7 28. Ra1 Rec8 29. Nc1 Bc4 30. Rc2 f5 31. Kf2 Rc5 32. Ke3 Kf6 33. Nd3 Bxd3 34. Kxd3 Ke5 35. c4 fxe4+ 36. fxe4 Rb8 37. Rcc1 Rb4 38. Ra3 a4 39. Rc2 Rc7 40. Rc1 Rcb7 41. Rc2 Rb3+ 42. Rc3 Rb2 43. Rxa4 Rxg2 44. c5 dxc5 45. Rxc5 Rxh2 46. Rc6 g5 47. Re6+ Kf4 48. e5+ Kf5 49. Ra8 Rh3+ 50. Kc2 Rc7+ 51. Kd2 Rb7 52. Rf8+ Ke4 0-1

[Event "Medellin IRT op"]
[Site "Medellin"]
[Date "2012.08.05"]
[Round "4"]
[White "De Arco, Luis Carlos"]
[Black "Hurtado, Felipe"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2233"]
[BlackElo "2118"]
[PlyCount "75"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 Nbd7 12. Ngf3 Qc7 13. 0-0 0-0 14. Re1 b6 15. Nxd7 Bxd7 16. Ne5 Rae8 17. Qf3 Bd6 18. Bf4 Nd5 19. Bg3 f5 20. Nxd7 Qxd7 21. Bxd6 Qxd6 22. Bc4 Qc5 23. Qb3 Kh8 24. Qb5 Rc8 25. Qxc5 Rxc5 26. Bb3 Nb4 27. Rxe6 Nxc2 28. Rd1 Rc7 29. a3 b5 30. h3 a5 31. Rb6 b4 32. a4 Re8 33. Rb5 Re1+ 34. Rxe1 Nxe1 35. Rxa5 Rc1 36. Kh2 Nd3 37. Rxf5 Nxb2 38. a5 1-0

[Event "Medellin IRT op"]
[Site "Medellin"]
[Date "2012.08.04"]
[Round "3"]
[White "Carvajal, Jorge Ivan"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2069"]
[BlackElo "2233"]
[PlyCount "66"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d3 Bg7 4. g3 Nc6 5. Bg2 Nf6 6. 0-0 0-0 7. Nbd2 d5 8. c3 d4 9. c4 e5 10. Rb1 a5 11. a3 a4 12. b4 axb3 13. Rxb3 Qc7 14. Ne1 Ne8 15. f4 Nd6 16. Qe2 f5 17. Nc2 Be6 18. exf5 Bxf5 19. fxe5 Nxe5 20. Ne1 Rae8 21. Qd1 Ng4 22. Ndf3 Ne3 23. Bxe3 dxe3 24. Qe2 Bg4 25. h3 Nf5 26. hxg4 Nxg3 27. Qc2 Nxf1 28. Bxf1 e2 29. Bxe2 Qg3+ 30. Kh1 Qf2 31. Bd1 Rxe1+ 32. Nxe1 Qf1+ 33. Kh2 Be5# 0-1

[Event "Medellin IRT op"]
[Site "Medellin"]
[Date "2012.08.04"]
[Round "2"]
[White "De Arco, Luis Carlos"]
[Black "Chirivi Castiblanco, Angie Lizeth"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2233"]
[BlackElo "2014"]
[PlyCount "47"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. c3 0-0 9. Bg5 Bb7 10. a4 Bb6 11. Na3 b4 12. Nc4 bxc3 13. bxc3 Na5 14. Nxb6 cxb6 15. Ba2 Bc6 16. h3 Nb7 17. Nh2 b5 18. Ng4 Kh8 19. Qf3 Nc5 20. Nxf6 Ne6 21. Bh4 Nf4 22. g3 Nxh3+ 23. Kg2 g5 24. Qf5 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.18"]
[Round "6"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1897"]
[BlackElo "2243"]
[PlyCount "70"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Bc4 Qb6 9. Ncb5 a6 10. Nc3 Qxb2 11. Nde2 Ng4 12. Bd2 Ne3 13. Bxe3 Bxc3+ 14. Kf2 Qxa1 15. Qxa1 Bxa1 16. Rxa1 b5 17. Bb3 Bb7 18. Rd1 d6 19. Bb6 Rac8 20. a3 Ne5 21. Bd4 Nd7 22. Rd2 Rc7 23. h4 Nc5 24. Ba2 Rfc8 25. Bb1 Ne6 26. Bb2 a5 27. h5 b4 28. axb4 axb4 29. hxg6 hxg6 30. Rd1 Rxc2 31. Bxc2 Rxc2 32. Ba1 Ba6 33. Re1 Nf4 34. Rh1 Rxe2+ 35. Kg3 e5 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.18"]
[Round "7"]
[White "De Arco, Luis Carlos"]
[Black "Barros, Raul Junior"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2243"]
[BlackElo "2201"]
[PlyCount "82"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 a6 7. Bc4 d6 8. d3 e6 9. Nxd4 cxd4 10. Ne2 Ne7 11. Bb3 0-0 12. Qe1 Nc6 13. Bd2 Kh8 14. a4 f5 15. exf5 exf5 16. Kh1 Re8 17. Qf2 Be6 18. Bxe6 Rxe6 19. a5 Qc7 20. Rfe1 Rae8 21. Ng1 Rxe1 22. Rxe1 Rxe1 23. Qxe1 Qe7 24. Qxe7 Nxe7 25. Nf3 Nd5 26. Kg1 Kg8 27. Kf1 h6 28. Ke2 Kf7 29. Kd1 Bf6 30. Kc1 Ke7 31. Kb1 Kd7 32. g3 Kc6 33. Ka2 Ne3 34. Kb3 g5 35. fxg5 hxg5 36. h4 g4 37. Ng1 f4 38. gxf4 Bxh4 39. Ne2 Nf5 40. c3 Bf2 41. cxd4 g3 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.17"]
[Round "5"]
[White "De Arco, Luis Carlos"]
[Black "Torres, Juan Camilo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2243"]
[BlackElo "2278"]
[PlyCount "60"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 Nc6 4. Nf3 b5 5. g3 Bb7 6. Bg2 e6 7. d3 Nf6 8. Qe2 Nd4 9. Nxd4 cxd4 10. Nd1 Rc8 11. 0-0 b4 12. g4 Qc7 13. g5 Ng8 14. Rf2 h6 15. g6 f6 16. b3 Bc5 17. f5 e5 18. Bd2 Ne7 19. Rf1 a5 20. Nf2 Qc6 21. Nh1 Qd6 22. Ng3 Nc6 23. Nh5 Qe7 24. Bc1 Kd8 25. Bb2 Kc7 26. Ng3 Kb6 27. Rfe1 Na7 28. Kh1 Nb5 29. Nf1 Ra8 30. Nd2 a4 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.16"]
[Round "3"]
[White "De Arco, Luis Carlos"]
[Black "Rottenwoerer, Christoph Jr"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2243"]
[BlackElo "2202"]
[PlyCount "50"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 d5 6. Be2 c5 7. c3 Nc6 8. 0-0 Ne4 9. Nbd2 Re8 10. Nxe4 dxe4 11. Ng5 e5 12. dxe5 Nxe5 13. Qxd8 Rxd8 14. Nxe4 Bf5 15. Nxc5 Rd2 16. Rfe1 Rxb2 17. e4 Be6 18. Nxe6 fxe6 19. Rab1 Rxb1 20. Rxb1 b6 21. Rb5 Nd7 22. c4 Bd4 23. Bd6 e5 24. Bg4 Nc5 25. Bxc5 Bxc5 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.16"]
[Round "4"]
[White "Moran, Daniel Stiven"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2118"]
[BlackElo "2243"]
[PlyCount "80"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. 0-0 0-0 9. a3 Be6 10. Qc2 f6 11. Ne4 Bd5 12. Be3 f5 13. Ned2 Bf6 14. Bc5 Rf7 15. e4 Be6 16. Rad1 f4 17. gxf4 exf4 18. d4 Bg4 19. e5 Be7 20. Bxb6 axb6 21. d5 Nb8 22. Ne4 Bf5 23. Nd4 Bg6 24. Ne6 Qd7 25. Nxc7 Qf5 26. Nf6+ Rxf6 27. Qxf5 Rxf5 28. Nxa8 f3 29. Bh3 Rxe5 30. Be6+ Kf8 31. Rd4 Bd6 32. h3 h5 33. Rc1 Rg5+ 34. Kf1 Be5 35. Rc8+ Ke7 36. Rb4 Na6 37. Rb3 Nc5 38. Rxf3 Bxb2 39. Rg3 Bd3+ 40. Kg2 Re5 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.15"]
[Round "1"]
[White "De Arco, Luis Carlos"]
[Black "Camargo, Santiago"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2243"]
[BlackElo "1986"]
[PlyCount "67"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Qa4+ Bd7 13. Qb4 a5 14. Qd6 Bc6 15. Be2 Nf5 16. Qxd5 Bxd5 17. 0-0 Ke7 18. Rfd1 Ke6 19. Bg4 Rhd8 20. Rd2 b5 21. a3 g6 22. g3 Ra7 23. Bh3 Rdd7 24. Rad1 Rab7 25. Bxa5 Kxe5 26. Bg2 Ke6 27. Bb4 Rbc7 28. Re1 Rc4 29. b3 Rd4 30. g4 Rxd2 31. gxf5+ gxf5 32. Bxd2 Bxb3 33. Bb4 Rd3 34. f3 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2012.02.15"]
[Round "2"]
[White "Dominguez, Oscar Alberto"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2065"]
[BlackElo "2243"]
[PlyCount "33"]
[EventDate "2012.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Bg5 Be7 9. Nxf6+ Bxf6 10. Bf4 Bxf3 11. Qxf3 c6 12. c3 0-0 13. Rfe1 Re8 14. Re2 Nf8 15. Rae1 Qd5 16. Qxd5 cxd5 17. Bd6 1/2-1/2

[Event "Barranquilla op 12"]
[Site "Barranquilla"]
[Date "2011.12.29"]
[Round "4"]
[White "Barros, Raul Junior"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2263"]
[BlackElo "2272"]
[PlyCount "24"]
[EventDate "2011.12.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. 0-0 d5 9. Nxc6 bxc6 10. exd5 cxd5 11. Bb3 e6 12. h3 h5 1/2-1/2

[Event "Barranquilla op 12"]
[Site "Barranquilla"]
[Date "2011.12.29"]
[Round "3"]
[White "De Arco, Luis Carlos"]
[Black "Mejia, Pedro"]
[Result "1-0"]
[ECO "C82"]
[WhiteElo "2272"]
[BlackElo "1766"]
[PlyCount "35"]
[EventDate "2011.12.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Nxe4 7. d4 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 0-0 11. Bc2 Nxd2 12. Qxd2 Bg4 13. Ng5 Nxe5 14. Bxh7+ Kh8 15. h3 Bxh3 16. Qf4 Bxg2 17. Kxg2 Qf6 18. Rh1 1-0

[Event "Barranquilla op 12"]
[Site "Barranquilla"]
[Date "2011.12.29"]
[Round "5"]
[White "De Arco, Luis Carlos"]
[Black "Tovio, Israel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2272"]
[BlackElo "2277"]
[PlyCount "105"]
[EventDate "2011.12.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 e6 6. d4 cxd4 7. cxd4 d6 8. 0-0 Be7 9. Bxd5 exd5 10. Nc3 Be6 11. Qb3 Qd7 12. Bf4 dxe5 13. Nxe5 Nxe5 14. Bxe5 0-0 15. Rfe1 Rac8 16. Ne2 Rc4 17. Rac1 Rfc8 18. Qg3 f6 19. Bf4 Bb4 20. Red1 Bg4 21. f3 Bf5 22. a3 Ba5 23. Rxc4 Rxc4 24. Be3 Qe8 25. Qf2 Rc2 26. b4 Bb6 27. Rd2 Rc7 28. g4 Bg6 29. Bf4 Re7 30. Nc3 Qc6 31. Re2 Rd7 32. Qe3 Bf7 33. Kg2 Qc4 34. Rd2 g5 35. Bg3 Qb3 36. Nd1 Qb1 37. h4 h6 38. hxg5 hxg5 39. Qc3 Rd8 40. Ne3 Be6 41. Rd1 Qg6 42. a4 Rc8 43. Qb3 a6 44. a5 Ba7 45. Nf5 Bxf5 46. Qxd5+ Qf7 47. Qxf5 Qa2+ 48. Kh3 Qc2 49. Qxc2 Rxc2 50. d5 Kf7 51. d6 Ke8 52. d7+ Kd8 53. Bd6 1-0

[Event "Barranquilla op 12"]
[Site "Barranquilla"]
[Date "2011.12.28"]
[Round "2"]
[White "Lugo Lozano, Luz Adriana"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1904"]
[BlackElo "2272"]
[PlyCount "74"]
[EventDate "2011.12.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 b6 4. e3 Bb7 5. h3 Be7 6. Nbd2 0-0 7. Be2 c5 8. c3 d6 9. 0-0 Nbd7 10. Bg3 Rc8 11. Rc1 Re8 12. Re1 Bf8 13. Qc2 Qc7 14. a3 Qb8 15. Qb1 a6 16. Bf1 cxd4 17. exd4 b5 18. Ng5 h6 19. Nge4 Nxe4 20. Nxe4 e5 21. dxe5 dxe5 22. Rcd1 Nb6 23. Nd2 g6 24. h4 h5 25. Ne4 Bxe4 26. Rxe4 Bg7 27. Red4 Qb7 28. Rd6 Kh7 29. Be2 e4 30. Qc1 Bf8 31. Rf6 Nd5 32. Rxd5 Qxd5 33. Qf4 Bh6 34. Qd6 Qxd6 35. Rxd6 Re6 36. Rd7 Kg8 37. Ra7 Bc1 0-1

[Event "Monteria op"]
[Site "Monteria"]
[Date "2011.11.14"]
[Round "7"]
[White "De Arco, Luis Carlos"]
[Black "Kostov, Alex"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2272"]
[BlackElo "2059"]
[PlyCount "129"]
[EventDate "2011.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Be3 Rd8 9. 0-0 Nf6 10. Nc3 Bg4 11. Rab1 Rxd4 12. Bxd4 Nd7 13. Bxg7 Bxg7 14. Rfe1 Be6 15. Nd5 cxd5 16. exd5 Nc5 17. dxe6 c6 18. exf7+ Kxf7 19. Red1 Ne4 20. Rd7+ Kg6 21. Re1 Nc5 22. Rd6+ Ne6 23. Rdxe6+ Bf6 24. R1e2 Kf5 25. R2e4 Rg8 26. g3 Kg6 27. h3 Kg5 28. h4+ Kf5 29. f4 Kg6 30. g4 Kf7 31. Rxf6+ Kxf6 32. g5+ Kf5 33. Re7 Kxf4 34. g6 hxg6 35. h5 gxh5+ 36. Kf2 Kf5 37. Rxb7 Rd8 38. Rb5+ cxb5 39. Kg3 Kg5 40. Kf3 Rd2 41. Kg3 Rxc2 42. Kh3 Rd2 43. Kg3 Rxb2 44. Kf3 Rxa2 45. Kg3 Rg2+ 46. Kf3 h4 47. Kxg2 h3+ 48. Kg3 Kf5 49. Kf2 h2 50. Kg2 h1Q+ 51. Kxh1 Kf4 52. Kg1 b4 53. Kh1 b3 54. Kg1 b2 55. Kf1 a5 56. Ke1 a4 57. Kd2 a3 58. Kc2 a2 59. Kxb2 a1B+ 60. Kxa1 Ke3 61. Ka2 Kd2 62. Ka1 Kc1 63. Ka2 Kc2 64. Ka1 Kb3 65. Kb1 1/2-1/2

[Event "Monteria op"]
[Site "Monteria"]
[Date "2011.11.13"]
[Round "5"]
[White "De Arco, Luis Carlos"]
[Black "Arango, Andres Mauricio"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2272"]
[BlackElo "2145"]
[PlyCount "87"]
[EventDate "2011.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bd3 Nc6 9. 0-0 Qc7 10. Bf4 dxe5 11. dxe5 Nd5 12. Bg3 Bc5 13. Nbd2 h6 14. Rc1 Be7 15. Nd4 Bd7 16. Nb5 Qb8 17. Be4 a6 18. Nd6+ Bxd6 19. exd6 0-0 20. Nf3 Nf6 21. Bb1 Nb4 22. Qb3 Nbd5 23. Ne5 Bb5 24. Rfe1 Rd8 25. a4 Bd7 26. Red1 b5 27. a5 Qb7 28. Rc7 Nxc7 29. dxc7 Qxc7 30. Nxd7 Qxa5 31. Nxf6+ gxf6 32. Bd6 b4 33. h4 Qh5 34. Rd4 f5 35. Qxb4 Rac8 36. Bd3 Rc1+ 37. Kh2 Kh7 38. Be5 Rxd4 39. Qxd4 Rc8 40. Bf6 Rg8 41. f3 Qg6 42. g4 h5 43. g5 Ra8 44. Qd7 0-1

