[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.23"]
[Round "7.1"]
[White "Agudelo, Carlos Hernan"]
[Black "Sandoval, Marco Alejandro"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1914"]
[BlackElo "1594"]
[PlyCount "71"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]
[WhiteTeam "Quindio"]
[BlackTeam "La Guajira"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 d5 2. g3 Nf6 3. c3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d3 Nbd7 7. Qc2 e5 8. Nbd2 Rb8 9. b3 c5 10. Bb2 b5 11. e4 d4 12. c4 a6 13. h3 Bh6 14. Rfe1 Re8 15. Bc1 Qc7 16. Nf1 Bf8 17. Bd2 Bb7 18. g4 Kh8 19. Ng3 Bc6 20. Rf1 Ng8 21. Nh2 Bd6 22. Ne2 Nf8 23. f4 exf4 24. Bxf4 f6 25. cxb5 Bxf4 26. Nxf4 Bxb5 27. Rac1 Rbc8 28. a4 Bd7 29. b4 Ne6 30. Nxe6 Rxe6 31. bxc5 Rc6 32. e5 Rxc5 33. Qxc5 Qxe5 34. Qxe5 fxe5 35. Rxc8 Bxc8 36. Rf8 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "4.1"]
[White "Sandoval, Marco Alejandro"]
[Black "Sierra Castillo, Eyber"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1594"]
[BlackElo "1514"]
[PlyCount "88"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]
[WhiteTeam "La Guajira"]
[BlackTeam "Sucre"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nc6 2. d4 d5 3. Bf4 Nf6 4. e3 e6 5. Nbd2 Bd6 6. Ne5 0-0 7. g4 Bxe5 8. dxe5 Nd7 9. Nf3 f6 10. exf6 Qxf6 11. c3 Nb6 12. g5 Qf7 13. Be2 e5 14. Bg3 Bh3 15. Rg1 Rad8 16. Qc2 d4 17. exd4 exd4 18. 0-0-0 Qxa2 19. cxd4 Nxd4 20. Rxd4 Rxd4 21. Nxd4 Bf5 22. Bd3 Bxd3 23. Qxd3 Nd5 24. Qa3 Qc4+ 25. Kb1 Qxd4 26. Qb3 Qe4+ 27. Ka1 Kh8 28. Rd1 c6 29. h4 Rf3 30. Qa2 a6 31. Qa5 Rf8 32. h5 Qf3 33. Rd4 Qxh5 34. Qc5 Re8 35. Qa7 Qf7 36. Ka2 Re4 37. Qc5 Re8 38. Rh4 Qe6 39. Ka3 b6 40. Qc2 g6 41. f3 Qe3+ 42. b3 Qc3 43. Qb1 Qa5+ 44. Ra4 Qc5+ 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "5.1"]
[White "Sandoval, Marco Alejandro"]
[Black "Vallejo Roman, Sixto Alberto"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1594"]
[BlackElo "1743"]
[PlyCount "42"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]
[WhiteTeam "La Guajira"]
[BlackTeam "San Andres Islas"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d6 2. Nf3 Nf6 3. Bf4 Bf5 4. c4 h6 5. Qb3 Qc8 6. h3 e6 7. g4 Be4 8. Nbd2 Bc6 9. Bg2 g5 10. Bg3 Na6 11. a3 b6 12. Qc2 Qb7 13. b4 b5 14. Rc1 Rb8 15. Qc3 Bg7 16. a4 Ne4 17. Nxe4 Bxe4 18. cxb5 Qd5 19. bxa6 0-0 20. 0-0 Bxd4 21. Qxd4 Bxf3 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.20"]
[Round "3.1"]
[White "Portnoy Cruz, Ivan Adolfo"]
[Black "Sandoval, Marco Alejandro"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2039"]
[BlackElo "1594"]
[PlyCount "73"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]
[WhiteTeam "Cordoba"]
[BlackTeam "La Guajira"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d3 d5 2. Nf3 Nf6 3. Nbd2 g6 4. e4 e6 5. Be2 Bg7 6. e5 Nfd7 7. d4 c5 8. c3 Nc6 9. Nf1 a5 10. Ne3 cxd4 11. cxd4 f6 12. exf6 Qxf6 13. Nc2 Qd8 14. 0-0 0-0 15. Be3 Nf6 16. h3 Ne4 17. Nd2 Nd6 18. Nf3 Bd7 19. Rb1 b5 20. Qd2 Ne4 21. Qc1 Rc8 22. Qd1 Qb6 23. Bd3 Nd6 24. Ne5 Qd8 25. Nxc6 Rxc6 26. Ne1 b4 27. Nf3 Nf7 28. Rc1 Rxc1 29. Qxc1 e5 30. dxe5 Nxe5 31. Nxe5 Bxe5 32. b3 Qf6 33. Qc5 d4 34. f4 Bd6 35. Qxd4 Qxd4 36. Bxd4 Bxf4 37. Bc4+ 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "2.1"]
[White "Ojeda, Jesus David"]
[Black "Sandoval, Marco Alejandro"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2071"]
[BlackElo "1594"]
[PlyCount "65"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]
[WhiteTeam "Norte de Santander"]
[BlackTeam "La Guajira"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bg4 5. h3 Bxf3 6. Qxf3 Nf6 7. g4 h6 8. h4 Nh7 9. exd5 Qxd5 10. Qxd5 cxd5 11. Bg2 Nd7 12. Bxd5 Rb8 13. a4 Nhf6 14. Bf3 Bc5 15. g5 hxg5 16. hxg5 Rxh1+ 17. Bxh1 Nh7 18. Ne4 f5 19. Nxc5 Nxc5 20. f4 Ne6 21. fxe5 Kf7 22. Bd5 a5 23. g6+ Kxg6 24. Bxe6 Re8 25. Bc4 Rxe5+ 26. Kf1 Kf6 27. Bd2 Kg6 28. Re1 Rxe1+ 29. Bxe1 b6 30. Bf2 Kh5 31. d4 Ng5 32. d5 Nf3 33. Be2 1-0

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.17"]
[Round "10"]
[White "Avila Vargas, Juan Manuel"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1468"]
[BlackElo "1798"]
[PlyCount "88"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 c6 2. Bf4 d5 3. c3 Bf5 4. c4 e6 5. Qb3 b6 6. e3 Nf6 7. Nc3 Bd6 8. cxd5 exd5 9. Bg3 Bxg3 10. hxg3 Nbd7 11. Nf3 a5 12. Be2 Qe7 13. Rc1 b5 14. 0-0 a4 15. Qd1 h6 16. Nb1 Qd6 17. Ne5 Nb8 18. Nd2 0-0 19. g4 Bh7 20. Ndf3 Ne4 21. Bd3 f6 22. Qc2 fxe5 23. Nxe5 Ra6 24. f3 Nf6 25. Bxh7+ Nxh7 26. f4 Nf6 27. g5 Ne4 28. g6 Nd7 29. Nxd7 Qxd7 30. f5 Rxf5 31. Rxf5 Qxf5 32. Rf1 Qxg6 33. Qe2 Ra8 34. Qf3 Qf6 35. Qg4 Qe7 36. Qg6 Rf8 37. Rxf8+ Qxf8 38. Qxc6 Qf2+ 39. Kh2 Qg3+ 40. Kg1 Qxe3+ 41. Kh1 Qxd4 42. Qxb5 Nf2+ 43. Kh2 Ng4+ 44. Kh1 Qd1+ 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.17"]
[Round "12"]
[White "Mena Suarez, Andres David"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "1798"]
[PlyCount "70"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Bg4 6. Be2 e6 7. Ne5 Bxe2 8. Qxe2 a6 9. Bf4 Bb4 10. 0-0 0-0 11. Nd1 Nc6 12. c3 Be7 13. Ne3 Rc8 14. N3g4 Nh5 15. Nxc6 Rxc6 16. Ne5 Nxf4 17. Qf3 Ng6 18. Nxc6 bxc6 19. Rfe1 Bf6 20. Qe2 Qb6 21. a4 a5 22. Ra3 Be7 23. Ra2 Bd6 24. Rb1 c5 25. dxc5 Bxc5 26. b4 Be7 27. Rab2 Bf6 28. Rb3 Nf4 29. Qf3 Be5 30. bxa5 Qxa5 31. Qe3 f6 32. g3 Nh3+ 33. Kg2 Ng5 34. f4 d4 35. cxd4 Qd5+ 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.17"]
[Round "13"]
[White "Sandoval, Marco Alejandro"]
[Black "Avila Gonzalez, Juan Jose"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1798"]
[BlackElo "1756"]
[PlyCount "60"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nf3 Bd6 6. Bg3 Nf6 7. Bd3 0-0 8. 0-0 Bxg3 9. hxg3 cxd4 10. exd4 Re8 11. Ne5 Nxe5 12. dxe5 Nd7 13. f4 Qb6+ 14. Kh2 Qxb2 15. Nd2 Qxc3 16. Nf3 Nf8 17. Rc1 Qa3 18. Rc7 Re7 19. Rxe7 Qxe7 20. g4 Bd7 21. Kg3 Bc6 22. Rh1 g6 23. Qd2 Rd8 24. f5 exf5 25. gxf5 d4 26. f6 Qc7 27. Rxh7 Nxh7 28. Qh6 Nxf6 29. Bxg6 fxg6 30. Qxg6+ Qg7 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.17"]
[Round "15"]
[White "Sandoval, Marco Alejandro"]
[Black "Coma, Dorian"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1798"]
[BlackElo "1841"]
[PlyCount "55"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 b6 3. e3 Nf6 4. Nf3 Be7 5. h3 0-0 6. Be2 Ba6 7. 0-0 Bxe2 8. Qxe2 d6 9. c4 Nbd7 10. Nc3 c5 11. Rfd1 cxd4 12. exd4 Rc8 13. Nb5 d5 14. Nxa7 Rxc4 15. Rac1 b5 16. Nc6 Qe8 17. b3 Rxc1 18. Nxe7+ Qxe7 19. Rxc1 Qb4 20. Rc6 Ra8 21. Bd6 Qa5 22. a3 Ne4 23. Bb4 Qd8 24. Qxb5 Rc8 25. g4 Rb8 26. Qa6 h6 27. Qa7 Nf8 28. Rc7 1-0

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.17"]
[Round "11"]
[White "Sandoval, Marco Alejandro"]
[Black "Manotas Martinez, Hector Manuel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1798"]
[BlackElo "1914"]
[PlyCount "75"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bxd6 Qxd6 6. f4 0-0 7. Ngf3 c5 8. c3 cxd4 9. cxd4 Nc6 10. a3 Bd7 11. Bd3 Rac8 12. 0-0 a6 13. Rc1 b5 14. Ne5 Na5 15. Rxc8 Rxc8 16. g4 Nc4 17. Ndxc4 bxc4 18. Bb1 Rb8 19. Qc2 Ne4 20. Qg2 f6 21. Bxe4 dxe4 22. Nxc4 Qd5 23. Rc1 Rc8 24. b3 h5 25. h3 hxg4 26. hxg4 a5 27. a4 Rb8 28. Qa2 g6 29. Qa3 Rb7 30. Qe7 Bxa4 31. Qxf6 Bxb3 32. Qxg6+ Rg7 33. Qe8+ Kh7 34. Kf2 Rg6 35. Rh1+ Kg7 36. Qh8+ Kf7 37. Rh7+ Rg7 38. Rxg7+ 1-0

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.17"]
[Round "16"]
[White "Sarmiento Miranda, Juan Carlos"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1651"]
[BlackElo "1798"]
[PlyCount "86"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. 0-0 Ngf6 7. Neg5 Nb6 8. Bb3 Be7 9. Re1 0-0 10. Ne5 h6 11. Ngxf7 Rxf7 12. Nxf7 Kxf7 13. Qf3 Nbd5 14. d3 Kg8 15. g4 Qf8 16. Qg3 Bd6 17. Qh4 g5 18. Qh3 Bd7 19. Qg2 Kg7 20. Kh1 Re8 21. Rg1 Bf4 22. Bxd5 Nxd5 23. h4 c5 24. hxg5 hxg5 25. Bxf4 Qxf4 26. Qg3 Qf6 27. c3 Bc6 28. Rg2 Nf4 29. f3 Nxg2 30. Kxg2 Qf4 31. Re1 Kf6 32. Qh3 Qd2+ 33. Kf1 Qxd3+ 34. Kg1 Re7 35. Qh6+ Qg6 36. Qh2 Rh7 37. Qe5+ Kf7 38. Qc7+ Kg8 39. Qc8+ Kg7 40. Rxe6 Qb1+ 41. Kf2 Qc2+ 42. Re2 Rh2+ 43. Kg3 Qxe2 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.17"]
[Round "14"]
[White "Vega Rosas, Brayan Rafael"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1614"]
[BlackElo "1798"]
[PlyCount "82"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Bf5 6. Ne2 e6 7. c3 Nbd7 8. Bf4 h6 9. Qb3 Qb6 10. Nd2 g5 11. Bg3 g4 12. Qxb6 axb6 13. 0-0 gxf3 14. Nxf3 Bd3 15. Rfe1 Bxe2 16. Rxe2 Be7 17. a3 0-0 18. Nh4 Nh5 19. Nf5 Bg5 20. Nd6 Nxg3 21. hxg3 Be7 22. Ne4 Nf6 23. Nd2 c5 24. f3 Rfd8 25. dxc5 bxc5 26. c4 Rd4 27. Nb3 Rd3 28. Nd2 Rad8 29. Ne4 Nxe4 30. Rxe4 Rd1+ 31. Rxd1 Rxd1+ 32. Kh2 Bf6 33. b4 b6 34. Rg4+ Kf8 35. Rf4 Ke7 36. Rg4 Ra1 37. bxc5 bxc5 38. Rg8 Rxa3 39. Rc8 Bd4 40. Rc7+ Kf6 41. g4 Be5+ 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "6"]
[White "Fornerino Gutierrez, Saulo Andres"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1504"]
[BlackElo "1798"]
[PlyCount "93"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. Be2 e6 5. d4 Be7 6. 0-0 Nf6 7. h3 Bh5 8. Ne5 Bxe2 9. Qxe2 0-0 10. Rd1 Re8 11. Nd3 Nxe4 12. Nxe4 dxe4 13. Qxe4 Qd5 14. Qg4 Nd7 15. c3 a5 16. Re1 a4 17. Bf4 Bf8 18. Ne5 Nxe5 19. Rxe5 Qc4 20. Re3 f6 21. a3 c5 22. Rae1 cxd4 23. cxd4 Rad8 24. Qh5 Qxd4 25. Re4 Qxb2 26. Bc1 Qb3 27. Rh4 h6 28. Qg6 Rd1 29. Rxd1 Qxd1+ 30. Kh2 Rd8 31. Be3 Bxa3 32. Rg4 Bf8 33. Bxh6 Rd7 34. Rg3 Rf7 35. Qe4 Qd7 36. Bf4 a3 37. Qc2 b5 38. Rd3 Qe8 39. Rc3 b4 40. Rc4 Qb5 41. Qb3 Qd5 42. h4 Ra7 43. Bb8 a2 44. Rxb4 Bxb4 45. Qxa2 Rxa2 46. Bg3 Bd6 47. Kh3 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "2"]
[White "Garcia Meza, Dayner Ricardo"]
[Black "Sandoval, Marco Alejandro"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1672"]
[BlackElo "1798"]
[PlyCount "96"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Be3 Qa5 8. Bd2 0-0 9. Be2 dxc4 10. Bxc4 a6 11. 0-0 b5 12. Bb3 Bb7 13. Ne5 Nc6 14. Re1 Nxd4 15. a3 Bxc3 16. Bxc3 Qc7 17. Qxd4 Rfd8 18. Qh4 Nd5 19. Bxd5 exd5 20. Rad1 Rd6 21. h3 Rh6 22. Qd4 f6 23. Ng4 Rg6 24. Re3 h5 25. Qd3 Rg5 26. Nh2 Qf4 27. Rf3 Qh4 28. Qd4 Qxd4 29. Rxd4 Re8 30. Re3 Rxe3 31. fxe3 Kf7 32. Nf3 Rf5 33. Rf4 Rxf4 34. exf4 Ke6 35. Kf2 Kf5 36. g3 Ke4 37. Ke2 Kf5 38. Ke3 Ke6 39. Nd4+ Kd6 40. b4 g6 41. h4 Bc8 42. Nb3 Ke6 43. Nc5+ Kf5 44. Kd4 g5 45. fxg5 fxg5 46. hxg5 Kxg5 47. Kxd5 Kg4 48. Be5 Kf3 1-0

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "4"]
[White "Herrera Rodriguez, Eduardo Antonio"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "1798"]
[PlyCount "74"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Bc4 d5 3. exd5 cxd5 4. Bb5+ Nc6 5. Bxc6+ bxc6 6. Nf3 Nf6 7. 0-0 Bg4 8. h3 Bh5 9. d3 e6 10. Bg5 Be7 11. Nbd2 Qb6 12. b3 0-0 13. Qe1 h6 14. Bxf6 Bxf6 15. Rb1 Bc3 16. Qe2 a5 17. Qe5 Bxe5 18. Nxe5 Rfd8 19. g4 Bg6 20. Kg2 Rac8 21. f4 Qd4 22. Nxg6 fxg6 23. Nf3 Qxf4 24. Nh4 Qg5 25. Nf3 Qf6 26. Nh4 Qxh4 27. Rbe1 Rf8 28. Rxe6 Rxf1 29. Kxf1 Qxh3+ 30. Ke2 Qxg4+ 31. Kd2 Qxe6 32. Kc3 Qf6+ 33. d4 c5 34. Kb2 Qxd4+ 35. c3 Qd2+ 36. Ka3 Qxc3 37. Ka4 Qb4# 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "8"]
[White "Mengual Escobar, Carlos Mario"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1915"]
[BlackElo "1798"]
[PlyCount "92"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. Nf3 Ngf6 7. Qe2 Nxe4 8. Qxe4 Nf6 9. Qe2 Be7 10. 0-0 0-0 11. a4 c5 12. Be3 Qc7 13. Bb3 b6 14. dxc5 Bxc5 15. Qc4 Bd6 16. Qxc7 Bxc7 17. Rfd1 Bb7 18. Nd4 Ng4 19. h3 Nxe3 20. fxe3 Rfd8 21. Kf2 h5 22. c3 a6 23. Ne2 g5 24. Rxd8+ Rxd8 25. Rd1 Rxd1 26. Bxd1 Kg7 27. Bc2 e5 28. e4 h4 29. Ng1 b5 30. Nf3 f6 31. axb5 axb5 32. Ke3 Bb6+ 33. Kd3 Bc8 34. c4 bxc4+ 35. Kxc4 Ba6+ 36. Kd5 Bf1 37. Kc6 Bf2 38. b4 Bxg2 39. Bd1 Bxh3 40. b5 g4 41. Nxh4 Bxh4 42. b6 Bg2 43. Bc2 Bf2 44. b7 Ba7 45. Kd5 Bf1 46. Bd1 g3 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "3"]
[White "Sandoval, Marco Alejandro"]
[Black "Angulo Pimienta, Angel Gabriel"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1798"]
[BlackElo "2014"]
[PlyCount "83"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 c5 2. c3 Nf6 3. Nf3 g6 4. Bg5 Bg7 5. e3 0-0 6. Be2 b6 7. Nbd2 Bb7 8. 0-0 d6 9. Rc1 Nbd7 10. Qb3 h6 11. Bh4 Kh7 12. Rfd1 Qe8 13. Bb5 a6 14. Bxd7 Nxd7 15. e4 Rb8 16. Qc2 Rc8 17. Qb1 Nf6 18. e5 Ng8 19. exd6 exd6 20. Re1 Qd7 21. Nc4 Bxf3 22. gxf3 Qc6 23. d5 Qc7 24. Bg3 Rcd8 25. f4 b5 26. Ne3 f5 27. Re2 Rde8 28. Rce1 Re7 29. Bh4 Bf6 30. Bxf6 Rxf6 31. Nf1 Rff7 32. Ng3 Rxe2 33. Rxe2 Re7 34. Qd3 Rxe2 35. Qxe2 Qe7 36. Qd3 Nf6 37. f3 h5 38. Kg2 Kg7 39. b3 Qe1 40. c4 b4 41. Qe2 Qxe2+ 42. Nxe2 1/2-1/2

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "9"]
[White "Sandoval, Marco Alejandro"]
[Black "Gongora Gamboa, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1798"]
[PlyCount "98"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. Nf3 Bf5 6. c3 e6 7. Bb5 Bd6 8. Ne5 Nge7 9. Qa4 0-0 10. Bg3 Qc7 11. 0-0 a6 12. Bxc6 Nxc6 13. Nxc6 Bxg3 14. hxg3 b5 15. Qd1 Qxc6 16. g4 Bxb1 17. Rxb1 Rab8 18. a3 a5 19. Rc1 Rfc8 20. Qf3 h6 21. g3 Qc4 22. Qe3 Qb3 23. Qd2 b4 24. axb4 axb4 25. Rfe1 bxc3 26. bxc3 Qb2 27. Rc2 Qa3 28. Kg2 Rc4 29. Re5 Rbc8 30. Re3 Qa1 31. Rf3 Rb8 32. Rc1 Rb1 33. Rxb1 Qxb1 34. g5 hxg5 35. Qxg5 Qe4 36. Qd8+ Kh7 37. Qh4+ Kg8 38. Qxe4 dxe4 39. Re3 f5 40. Kh3 g5 41. Kg2 Kf7 42. Kf1 Kf6 43. Ke2 e5 44. dxe5+ Kxe5 45. f3 f4 46. gxf4+ gxf4 47. Rxe4+ Rxe4+ 48. fxe4 Kxe4 49. c4 Kd4 1/2-1/2

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "1"]
[White "Sandoval, Marco Alejandro"]
[Black "Larrada Roa, Hassid"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1798"]
[BlackElo "1960"]
[PlyCount "159"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Bf5 6. Nf3 e6 7. Bb5 Bd6 8. Ne5 Nge7 9. Qa4 0-0 10. 0-0 Qc7 11. Nxc6 Bxf4 12. Nxe7+ Qxe7 13. g3 Bg5 14. Qd1 a6 15. Bd3 Bxd3 16. Qxd3 b5 17. f4 Bf6 18. a4 b4 19. Nd2 Rfc8 20. a5 Rc6 21. Nb3 Qa7 22. Kg2 bxc3 23. bxc3 Rac8 24. Rfc1 Be7 25. Rc2 Qb7 26. Nd2 Qc7 27. Nb1 Bb4 28. f5 Bxc3 29. Nxc3 Rxc3 30. Rxc3 Qxc3 31. Qxc3 Rxc3 32. Rb1 Rc8 33. Rb6 Ra8 34. fxe6 fxe6 35. Rxe6 Kf7 36. Rd6 Ke7 37. Rxd5 Ke6 38. Re5+ Kd6 39. Kf3 Rf8+ 40. Ke4 Rf2 41. Rh5 h6 42. h4 Rg2 43. Rd5+ Kc6 44. Rc5+ Kd6 45. Kf3 Rd2 46. Ke3 Rg2 47. Kf3 Rd2 48. Rc4 Kd5 49. Rc7 g5 50. hxg5 hxg5 51. Ra7 Rxd4 52. Rxa6 Kc5 53. Ra8 Kb5 54. a6 Ra4 55. a7 Ka6 56. g4 Ra5 57. Ke3 Kb7 58. Rf8 Kxa7 59. Rf5 Ra3+ 60. Ke4 Ra4+ 61. Kf3 Kb7 62. Rxg5 Kc6 63. Re5 Kd6 64. Re4 Ra1 65. Kf4 Rf1+ 66. Kg5 Kd7 67. Kg6 Rg1 68. g5 Rf1 69. Re5 Kd6 70. Rf5 Rh1 71. Kg7 Ke6 72. Rf6+ Ke7 73. g6 Rh2 74. Rf7+ Ke8 75. Kg8 Rh1 76. g7 Rh6 77. Rf1 Ke7 78. Re1+ Kd7 79. Kf7 Rh2 80. g8Q 1-0

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "5"]
[White "Sandoval, Marco Alejandro"]
[Black "Ricaurte Escorcia, Christian Dav"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1798"]
[BlackElo "1727"]
[PlyCount "114"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Qb3 b6 6. Nc3 Be7 7. Nb5 Bd6 8. Nxd6+ cxd6 9. Qa3 0-0 10. Qxd6 Qxd6 11. Bxd6 Re8 12. f3 a5 13. Kf2 Na6 14. cxd5 exd5 15. Bb5 Rec8 16. Re1 Nb4 17. Nh3 Nd3+ 18. Bxd3 Bxd3 19. Rc1 h6 20. Nf4 Ba6 21. g4 g5 22. Nh5 Nxh5 23. gxh5 a4 24. a3 Bc4 25. Rhg1 Rc6 26. Bb4 Rac8 27. h4 f6 28. f4 Kh7 29. hxg5 fxg5 30. fxg5 hxg5 31. Rxg5 Rf6+ 32. Kg3 Rcc6 33. Rc2 Rce6 34. Rf2 Rxe3+ 35. Kg2 Rxf2+ 36. Kxf2 Re2+ 37. Kf3 Rxb2 38. Kf4 Rf2+ 39. Ke5 b5 40. Kd6 Re2 41. Re5 Rg2 42. Ke6 Rg8 43. Be7 Kh6 44. Bf6 Re8+ 45. Be7 Rg8 46. Kf7 Rg7+ 47. Kf6 Rg8 48. Kf7 Ra8 49. Bf8+ Kh7 50. Rg5 Ra7+ 51. Be7 Kh6 52. Rg8 Kh7 53. Rg7+ Kh8 54. h6 b4 55. Kf6 b3 56. h7 b2 57. Kf7 Rxe7+ 0-1

[Event "La Guajira-ch"]
[Site "Maicao"]
[Date "2023.03.16"]
[Round "7"]
[White "Sandoval, Marco Alejandro"]
[Black "Romero Cotes, Samir Jose"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1798"]
[BlackElo "1691"]
[PlyCount "100"]
[EventDate "2023.03.16"]
[EventType "tourn (rapid)"]
[EventRounds "17"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 b6 4. Nd2 Bb7 5. Ngf3 Nbd7 6. Be2 g6 7. 0-0 Bg7 8. h3 0-0 9. Rc1 Qe8 10. b4 e5 11. dxe5 dxe5 12. Bh2 Qe7 13. a3 Rfd8 14. c3 c5 15. Qb3 Ne4 16. Nxe4 Bxe4 17. Nd2 Bb7 18. Rfd1 Rac8 19. e4 Bh6 20. Bf3 Nf6 21. Rc2 Nxe4 22. Nxe4 Rxd1+ 23. Bxd1 Bxe4 24. Re2 Rd8 25. Rxe4 Bg7 26. f4 Qh4 27. Qc2 exf4 28. Bxf4 cxb4 29. cxb4 g5 30. g3 Qxh3 31. Bxg5 Bd4+ 32. Rxd4 Qxg3+ 33. Qg2 Qxg2+ 34. Kxg2 Rxd4 35. Bf3 Rd3 36. Bc1 Rc3 37. Bf4 Rxa3 38. Kf2 a5 39. bxa5 Ra4 40. Ke3 Rxa5 41. Bc7 Rb5 42. Be2 Rb1 43. Bf3 b5 44. Bd6 b4 45. Be4 Rb2 46. Be5 Ra2 47. Bd5 b3 48. Kd3 Ra5 49. Kd4 Rb5 50. Bc4 b2 0-1

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.10.09"]
[Round "8.2"]
[White "Sandoval, Marco Alejandro"]
[Black "Gonzalez Velasco, Leandro"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1600"]
[BlackElo "2017"]
[PlyCount "62"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Guajira II"]
[BlackTeam "Valle II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Be2 0-0 5. h4 c5 6. c3 Qb6 7. Qb3 d6 8. Nd2 Nc6 9. Qxb6 axb6 10. Nc4 b5 11. Nb6 Ra5 12. Nxc8 Rxc8 13. Nf3 Rca8 14. a3 b4 15. cxb4 cxb4 16. 0-0 bxa3 17. bxa3 Rxa3 18. Rab1 R8a7 19. Rfc1 h6 20. Rb6 Nd5 21. Rb2 Nxf4 22. exf4 Nxd4 23. Nxd4 Bxd4 24. Rc8+ Kg7 25. Rb1 Ra2 26. Kf1 Rd2 27. Rc7 Raa2 28. Rxe7 Kf8 29. Re4 d5 30. Rxd4 Rxd4 31. Rxb7 Ra1+ 0-1

[Event "COL-chT"]
[Site "Bucaramanga"]
[Date "2022.09.09"]
[Round "6.2"]
[White "Vega Rosas, Brayan Rafael"]
[Black "Sandoval, Marco Alejandro"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1495"]
[BlackElo "1600"]
[PlyCount "20"]
[EventDate "2022.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Guajira"]
[BlackTeam "Guajira II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Bd6 7. a4 Bb7 8. d3 0-0 9. Be3 h6 10. axb5 axb5 1/2-1/2

[Event "COL-chT"]
[Site "Bucaramanga"]
[Date "2022.09.08"]
[Round "4.3"]
[White "Sandoval, Jesus Eduardo"]
[Black "Sandoval, Marco Alejandro"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1770"]
[BlackElo "1600"]
[PlyCount "35"]
[EventDate "2022.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Magdalena"]
[BlackTeam "Guajira II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bg4 5. h3 Bh5 6. Qb3 Qb6 7. Qxb6 axb6 8. cxd5 Bxf3 9. gxf3 Nxd5 10. Nxd5 cxd5 11. Bb5+ Kd8 12. b3 Nc6 13. Bb2 Nb4 14. Ke2 Rxa2 15. Rxa2 Nxa2 16. Ra1 Nb4 17. Ra8+ Kc7 18. Be5# 1-0

[Event "COL-chT"]
[Site "Bucaramanga"]
[Date "2022.09.07"]
[Round "2.3"]
[White "Becker Newmark, Jeronimo"]
[Black "Sandoval, Marco Alejandro"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1588"]
[BlackElo "1600"]
[PlyCount "122"]
[EventDate "2022.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Santander Norgtech"]
[BlackTeam "Guajira II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 c6 2. Bf4 Nf6 3. e3 Qb6 4. Qc1 Nh5 5. Bg5 Qa5+ 6. c3 Qxg5 7. Nf3 Qa5 8. Bd3 d5 9. Nbd2 Nf6 10. 0-0 Bg4 11. Ne5 e6 12. Nxg4 Nxg4 13. e4 Be7 14. h3 Nf6 15. e5 Nfd7 16. f4 Qb6 17. Kh1 0-0 18. b4 a5 19. a3 axb4 20. axb4 Rxa1 21. Qxa1 Re8 22. f5 exf5 23. Rxf5 g6 24. Rf1 Nxe5 25. dxe5 Qe3 26. Qb1 Qxd2 27. e6 f5 28. Bxf5 Rf8 29. Bxg6 Qh6 30. Bf7+ Kh8 31. Rf5 Na6 32. Rh5 Qg7 33. Bg6 h6 34. Qc1 Kg8 35. Bf7+ Kh7 36. Qc2+ Kh8 37. Qd2 Bg5 38. Qxg5 Qxg5 39. Rxg5 hxg5 40. e7 Kg7 41. exf8Q+ Kxf8 42. Be6 b6 43. Bc8 Nc7 44. Bb7 c5 45. bxc5 bxc5 46. Kh2 Ke7 47. Kg3 Kd6 48. Bc8 Ke5 49. Kg4 Kf6 50. Bf5 Nb5 51. c4 dxc4 52. Bh7 Nd4 53. h4 gxh4 54. Kxh4 c3 55. g4 c2 56. g5+ Kg7 57. Bxc2 Nxc2 58. Kg4 c4 59. Kf3 c3 60. Ke2 Nd4+ 61. Kd3 c2 0-1

[Event "COL-chT"]
[Site "Bucaramanga"]
[Date "2022.09.06"]
[Round "1.3"]
[White "Sandoval, Marco Alejandro"]
[Black "Garcia, Juan Manuel"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1600"]
[BlackElo "1794"]
[PlyCount "53"]
[EventDate "2022.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Guajira II"]
[BlackTeam "Cundinamarca II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 b6 5. Bd3 Bd6 6. Ngf3 Bxf4 7. exf4 Ba6 8. Qe2 Bxd3 9. Qxd3 0-0 10. 0-0 c5 11. c3 Qc7 12. Ne5 Nc6 13. dxc5 bxc5 14. Ndf3 Ne4 15. Rfe1 c4 16. Qc2 Nxe5 17. fxe5 f6 18. Nd4 Qb6 19. exf6 Rxf6 20. Re2 Raf8 21. Rf1 e5 22. Nf3 Rxf3 23. gxf3 Qg6+ 24. Kh1 Rxf3 25. Rg1 Qf5 26. Rg2 Qh5 27. Kg1 0-1

