[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "7"]
[White "Machado Sanchez, Samuel David"]
[Black "Lopez, Ricardo Andres"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1758"]
[BlackElo "1918"]
[PlyCount "72"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bd5 Nxd5 8. Nxd5 e6 9. Ne3 Bb7 10. f3 Nc6 11. b3 Qb6 12. c3 Be7 13. Nec2 Bf6 14. Be3 Qc7 15. Rc1 0-0 16. 0-0 Rfd8 17. Nxc6 Bxc6 18. Nb4 d5 19. exd5 Bxd5 20. Nxd5 Rxd5 21. Qc2 Rad8 22. c4 Rd3 23. Rfe1 Bc3 24. Rcd1 bxc4 25. bxc4 Qxc4 26. Rxd3 Qxd3 27. Qxd3 Rxd3 28. Rb1 h6 29. Bf4 Bd4+ 30. Kf1 Ra3 31. Rb4 e5 32. Bc1 Rxa2 33. Rb1 Rf2+ 34. Ke1 Rxg2 35. Rb8+ Kh7 36. Ra8 a5 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "3"]
[White "Machado Sanchez, Samuel David"]
[Black "Alvarez Gamez, Ismael"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1758"]
[BlackElo "1930"]
[PlyCount "76"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. Be3 d5 7. Nd2 Be7 8. Bb5 Bd7 9. c3 0-0 10. Bxc6 bxc6 11. e5 Ne8 12. b4 Qc7 13. f4 c5 14. Nc2 cxb4 15. cxb4 Ba4 16. Nb3 Qc4 17. Qe2 Bxb4+ 18. Nxb4 Qxb4+ 19. Bd2 Qb8 20. Nc5 Qb2 21. Rc1 Bb5 22. Qg4 Nc7 23. a4 Bc4 24. Nd7 Rfd8 25. Nf6+ Kh8 26. Nh5 Rg8 27. Qd1 Na6 28. Rb1 Qd4 29. Qf3 Nc5 30. Qe3 Nd3+ 31. Kd1 Nf2+ 32. Kc2 Bd3+ 33. Kb3 Qc4+ 34. Ka3 Nxh1 35. Rxh1 Rab8 36. Rb1 Rxb1 37. Qxd3 Qxd3+ 38. Ka2 Qb3# 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.07"]
[Round "1"]
[White "Cifuentes Diez, Juan Daniel"]
[Black "Machado Sanchez, Samuel David"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "1758"]
[PlyCount "41"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. a3 d6 4. h3 f5 5. exf5 Bxf5 6. Bc4 d5 7. Ba2 Bc5 8. 0-0 e4 9. Nh2 Qd7 10. Qh5+ g6 11. Qh4 Be7 12. Qg3 Nf6 13. f3 Nh5 14. Qf2 exf3 15. g4 Nf4 16. Qg3 Ne2+ 17. Kf2 Bc5+ 18. Ke1 Nxg3 19. Rxf3 Qe7+ 20. Re3 Bxe3 21. dxe3 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Machado Sanchez, Samuel David"]
[Black "Garces Suaza, Carlos Daniel"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1258"]
[BlackElo "1562"]
[PlyCount "48"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 Be6 9. Nd5 Bxd5 10. exd5 0-0 11. Qd2 Nbd7 12. g4 Rc8 13. 0-0-0 Nb6 14. Bxb6 Qxb6 15. Kb1 Nd7 16. h4 Nc5 17. Nxc5 Qxc5 18. Bd3 b5 19. h5 h6 20. Be4 Bg5 21. Qd3 a5 22. c3 b4 23. cxb4 axb4 24. Rh2 Qc1+ 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Agudelo Lopera, Diego Alexander"]
[Black "Machado Sanchez, Samuel David"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1630"]
[BlackElo "1258"]
[PlyCount "72"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 d5 5. Bd3 Nc6 6. Nf3 Nh5 7. Be5 f6 8. Ng5 g6 9. Qf3 Nxe5 10. dxe5 fxg5 11. Na3 c4 12. Bc2 Bxa3 13. Ba4+ Bd7 14. Bxd7+ Qxd7 15. bxa3 Rf8 16. Qg4 Qe7 17. e4 Rf4 18. Qd1 Rxe4+ 19. Kf1 Qxa3 20. g3 Qxc3 21. Kg2 0-0-0 22. Qa4 g4 23. Rhc1 Qf3+ 24. Kg1 Rf8 25. Qxa7 Qxf2+ 26. Qxf2 Rxf2 27. Kxf2 Rxe5 28. Re1 Rf5+ 29. Kg2 e5 30. Rad1 d4 31. Re4 Nf6 32. Ree1 d3 33. Rf1 Nd5 34. Rde1 d2 35. Re4 Rxf1 36. Rxc4+ Kd7 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Machado Sanchez, Samuel David"]
[Black "Almanza Montoya, Joseph"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "1258"]
[BlackElo "1332"]
[PlyCount "39"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Nbd7 8. f4 b5 9. Bd3 Nc5 10. e5 Nfd7 11. Qe2 Nxd3 12. cxd3 Bb7 13. f5 Nxe5 14. fxe6 fxe6 15. Nxe6 Qe7 16. Nd4 Nc6 17. Ne6 Kd7 18. Nd5 Qxe6 19. Nb6+ Ke7 20. Bg5+ 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Florez, Victor Hugo"]
[Black "Machado Sanchez, Samuel David"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1478"]
[BlackElo "1258"]
[PlyCount "44"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 Nc6 4. e3 d5 5. Bd3 a6 6. Nbd2 Bd7 7. c3 e5 8. dxe5 Nxe5 9. Nxe5 c5 10. 0-0 c4 11. Bc2 Bd6 12. Ndf3 Ne4 13. Qxd5 Qe7 14. Qxe4 Bxe5 15. Qxe5 Qxe5 16. Nxe5 Ke7 17. Nxc4 b5 18. Nb6 Rad8 19. Rfd1 Be6 20. Rxd8 Rxd8 21. a3 h5 22. h4 g6 1-0

