[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "8"]
[White "Parra Beltran, Kevin Daniel"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1591"]
[BlackElo "1438"]
[PlyCount "33"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 b5 7. f3 e6 8. g4 Be7 9. h4 Bb7 10. Qd2 d5 11. g5 Nfd7 12. exd5 Ne5 13. f4 Nc4 14. Bxc4 bxc4 15. 0-0-0 Bb4 16. Rhe1 Bxc3 17. Qxc3 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "2"]
[White "Castano Escobar, Jose Roman"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1172"]
[BlackElo "1438"]
[PlyCount "9"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 Bg4 4. Bd3 e5 5. Nbd2 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Sierra, Henry Alberto"]
[Black "Valle, Efrain"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1438"]
[BlackElo "1974"]
[PlyCount "38"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. Be3 cxd4 8. Nxd4 Nc6 9. f3 Bd7 10. 0-0 a6 11. a3 Rc8 12. Qd2 Na5 13. b3 e5 14. Nc2 Nxb3 15. Qxd6 Nxa1 16. Rxa1 Be6 17. Qxd8 Rfxd8 18. Nd5 Nxd5 19. exd5 Bxd5 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.06"]
[Round "6"]
[White "Cardona, Marisol"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1214"]
[BlackElo "1455"]
[PlyCount "45"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nf3 h6 9. Bf4 0-0 10. h3 Re8 11. 0-0 Nf8 12. Qc2 Be6 13. Rab1 Qc8 14. Rfc1 Nh5 15. Be5 Bf6 16. b4 b5 17. Qe2 Bxe5 18. Nxe5 Nf6 19. Nxb5 Bxh3 20. Rxc6 Bg4 21. Rxc8 Bxe2 22. Rxe8 Rxe8 23. Bxe2 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "4"]
[White "Matta, Paola Andrea"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1850"]
[BlackElo "1455"]
[PlyCount "43"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. d4 Nf6 5. Nc3 e6 6. g3 b6 7. Bg2 Bb7 8. 0-0 Nbd7 9. Bf4 Bd6 10. Bxd6 cxd6 11. Nb5 0-0 12. Nxd6 Bxf3 13. Bxf3 Rb8 14. Rc1 Ne8 15. Nb5 a6 16. Nc3 Ndf6 17. e4 b5 18. e5 Nd5 19. Nxd5 exd5 20. Rc5 Nc7 21. Qc2 Rc8 22. Rc1 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.04"]
[Round "3"]
[White "Sierra, Henry Alberto"]
[Black "Restrepo Cifuentes, Luciana"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1455"]
[BlackElo "1580"]
[PlyCount "49"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Be7 4. Nc3 Nf6 5. Bg5 Nbd7 6. e3 b6 7. cxd5 exd5 8. Bd3 h6 9. Bh4 c5 10. dxc5 bxc5 11. Bb5 Bb7 12. Ne5 g5 13. Bg3 0-0 14. Nc6 Bxc6 15. Bxc6 Rc8 16. Bxd5 Nxd5 17. Nxd5 Nf6 18. Nxe7+ Qxe7 19. Bd6 Qe4 20. Bxf8 Qxg2 21. Rf1 Ng4 22. Bxh6 Nxh2 23. Ke2 Qf3+ 24. Ke1 Qg2 25. Ke2 1/2-1/2

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.02"]
[Round "6"]
[White "Carvajal Barreto, Johan Sebastian"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1756"]
[BlackElo "1464"]
[PlyCount "39"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 g6 7. Bf4 Bg7 8. d5 Nb8 9. Qb3 0-0 10. Be2 Nbd7 11. Rc1 a6 12. a4 Nc5 13. Qc2 Bd7 14. b4 Nxa4 15. Nxa4 Rc8 16. Nc3 Nxe4 17. Qxe4 Rxc3 18. Rxc3 Bxc3+ 19. Bd2 Bxd2+ 20. Nxd2 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.01"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1795"]
[BlackElo "1464"]
[PlyCount "37"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c6 5. Bg2 Nbd7 6. Qc2 Be7 7. 0-0 0-0 8. Nbd2 Re8 9. Rd1 Nf8 10. e4 Ng6 11. h4 Qc7 12. cxd5 exd5 13. e5 Nh5 14. Nf1 f6 15. Re1 fxe5 16. Nxe5 Nxe5 17. dxe5 Bb4 18. Bxd5+ cxd5 19. Qxc7 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.01"]
[Round "3"]
[White "Sierra, Henry Alberto"]
[Black "Angarita Santos, Luis Carlos"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1464"]
[BlackElo "1579"]
[PlyCount "39"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 h6 7. Bh4 Be7 8. Bd3 dxc4 9. Bxc4 0-0 10. 0-0 a5 11. Bd3 b5 12. Bc2 Ba6 13. Re1 Rc8 14. e4 Nh7 15. Bxe7 Qxe7 16. e5 b4 17. Ne4 Bc4 18. Nd6 Bd5 19. Nxc8 Rxc8 20. Qd3 1-0

[Event "Bucaramanga Santander Cup"]
[Site "Bucaramanga"]
[Date "2022.07.24"]
[Round "7"]
[White "Goyes Penafiel, Yesid Paul"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "D30"]
[BlackElo "1462"]
[PlyCount "30"]
[EventDate "2022.07.20"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nbd2 c5 5. g3 Nc6 6. e3 cxd4 7. Nxd4 Bb4 8. Nxc6 bxc6 9. Qa4 Bxd2+ 10. Bxd2 Bd7 11. Qc2 0-0 12. Bg2 Rb8 13. 0-0 Qb6 14. b3 e5 15. c5 Qc7 0-1

[Event "Bucaramanga Santander Cup"]
[Site "Bucaramanga"]
[Date "2022.07.23"]
[Round "6"]
[White "Sierra, Henry Alberto"]
[Black "Caicedo Solano, Eduardo"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "1462"]
[BlackElo "1812"]
[PlyCount "61"]
[EventDate "2022.07.20"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 e6 6. Bd3 Bd6 7. 0-0 0-0 8. Qc2 Nbd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bg5 h6 13. Bh4 Be7 14. Rad1 Nxe4 15. Qxe4 Bxh4 16. Nxh4 Qg5 17. Nf3 Qf5 18. Qxf5 exf5 19. Rfe1 b5 20. d5 bxc4 21. dxc6 Rb8 22. c7 Rxb2 23. Rd8 c3 24. Ne5 c2 25. Nd3 Rb1 26. Nc1 Be6 27. h3 f6 28. Kh2 Rb7 29. Rxe6 Rxc7 30. Rxf8+ Kxf8 31. Re2 1/2-1/2

[Event "Bucaramanga Santander Cup"]
[Site "Bucaramanga"]
[Date "2022.07.20"]
[Round "1"]
[White "Sanchez Fonseca, Alejandro"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1281"]
[BlackElo "1462"]
[PlyCount "23"]
[EventDate "2022.07.20"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. Bc4 Nf6 5. Ng5 e6 6. d3 Be7 7. 0-0 0-0 8. Qf3 Ne5 9. Qh3 Nxc4 10. dxc4 h6 11. Nf3 e5 12. Qg3 0-1

[Event "Bucaramanga Santander Cup"]
[Site "Bucaramanga"]
[Date "2022.07.20"]
[Round "2"]
[White "Sierra, Henry Alberto"]
[Black "Rodriguez Munoz, Luis Hernando"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1462"]
[BlackElo "1478"]
[PlyCount "37"]
[EventDate "2022.07.20"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 c5 7. Be3 cxd4 8. Nxd4 e5 9. Nc2 Nc6 10. 0-0 Qc7 11. f3 Rd8 12. Nd5 Be6 13. Nxc7 Rac8 14. Nxe6 fxe6 15. h4 d5 16. Qb1 d4 17. Rd1 dxe3 18. Rxd8+ Rxd8 19. Nxe3 1-0

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.07"]
[Round "6.13"]
[White "Astudillo Escobar, Jose Fernando"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1435"]
[BlackElo "1549"]
[PlyCount "45"]
[EventDate "2019.12.06"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Bc4 c5 3. Qf3 d6 4. Nc3 e6 5. Bb5+ Nc6 6. Nge2 Bd7 7. Bxc6 Bxc6 8. 0-0 a6 9. d4 cxd4 10. Nxd4 Nf6 11. Re1 Be7 12. Qg3 0-0 13. Bh6 d5 14. Qe5 Nh5 15. Qxh5 Bf6 16. Qg4 Bxd4 17. Rf1 Qf6 18. exd5 Qxh6 19. Kh1 Bb5 20. Ne2 Bxb2 21. Rfe1 Ba3 22. Rab1 Qg6 23. Ng3 0-1

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.07"]
[Round "4.12"]
[White "Jaramillo, Carlos Mario"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "1538"]
[BlackElo "1549"]
[PlyCount "60"]
[EventDate "2019.12.06"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. f4 Nc6 10. Qd2 b5 11. a3 Bb7 12. Rad1 Nxd4 13. Qxd4 Qc7 14. f5 e5 15. Qd3 Rad8 16. Bf3 Qc6 17. Nd5 Nxd5 18. exd5 Qd7 19. Be4 Bf6 20. Qd2 Rc8 21. c3 a5 22. Qf2 Bd8 23. Qg3 f6 24. h4 Qf7 25. Bh6 Re8 26. h5 Kh8 27. Bd2 Qxh5 28. Rf3 Bb6+ 29. Kf1 b4 30. Qh3 Qxf3+ 1-0

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.07"]
[Round "3.9"]
[White "Sierra, Henry Alberto"]
[Black "Alba, German David"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1549"]
[BlackElo "1642"]
[PlyCount "46"]
[EventDate "2019.12.06"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 h6 7. Bh4 Qa5 8. Bxf6 Bxf6 9. Bd3 Nd7 10. 0-0 0-0 11. e4 dxe4 12. Nxe4 Be7 13. Qc2 e5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. Ng3 Bf6 17. b3 Be6 18. Rae1 Qa5 19. Nh5 Qxh5 20. Re3 Rad8 21. Qe2 Rd4 22. f3 Re8 23. Qf2 Rh4 0-1

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.07"]
[Round "5.12"]
[White "Sierra, Henry Alberto"]
[Black "Intencipa Acosta, Fabian Armando"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1549"]
[BlackElo "1505"]
[PlyCount "62"]
[EventDate "2019.12.06"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. e4 b5 6. a4 Bb4 7. axb5 Bxc3+ 8. bxc3 cxb5 9. Be2 Bb7 10. Qc2 Nd7 11. 0-0 Ngf6 12. Nd2 0-0 13. e5 Nd5 14. Ne4 Qc7 15. Ng5 g6 16. Bh5 Qc6 17. Bf3 a5 18. Qe4 Rfb8 19. Qh4 Nf8 20. Ba3 h5 21. g4 Qe8 22. gxh5 b4 23. Bxd5 bxa3 24. Bxb7 Rxb7 25. h6 Nh7 26. Ne4 Qd8 27. Nf6+ Nxf6 28. exf6 Kh7 29. Qg5 Rb3 30. h4 Rab8 31. h5 R8b5 0-1

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.06"]
[Round "6.11"]
[White "Munoz, Mauricio"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1668"]
[BlackElo "1459"]
[PlyCount "83"]
[EventDate "2019.12.03"]
[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 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Bc4 Nc6 8. h3 0-0 9. 0-0 a6 10. Be3 b5 11. Bd3 Bb7 12. Re1 Nb4 13. Bb1 Nc6 14. Qd2 e5 15. Bc2 exd4 16. Nxd4 Ne5 17. Bh6 Nc4 18. Qc1 Re8 19. Bxg7 Kxg7 20. b3 Ne5 21. Qd2 d5 22. f4 Nc6 23. e5 Ne4 24. Nxe4 dxe4 25. Rad1 Nxd4 26. Qxd4 Qxd4+ 27. Rxd4 Rad8 28. Rxd8 Rxd8 29. Bxe4 Bxe4 30. Rxe4 Rd2 31. a4 Rb2 32. axb5 axb5 33. Rb4 f6 34. exf6+ Kxf6 35. Rxb5 h6 36. b4 g5 37. fxg5+ hxg5 38. Rb8 Kf5 39. b5 Kf4 40. Kh2 Ke3 41. b6 Kf2 42. b7 1-0

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.06"]
[Round "1.6"]
[White "Sierra, Henry Alberto"]
[Black "Acosta Cruz, Luis Ivan"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1549"]
[BlackElo "1773"]
[PlyCount "69"]
[EventDate "2019.12.06"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 Nf6 6. e3 b6 7. Bd3 Bb7 8. 0-0 0-0 9. Nd2 d6 10. f3 Nbd7 11. Qc2 Qe7 12. e4 g6 13. d5 Ne5 14. exf5 exf5 15. Re1 Qf7 16. Nb3 Rae8 17. Bh6 Nxd3 18. Qxd3 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Qxe8 21. Nd4 Qe1+ 22. Qf1 Qxf1+ 23. Kxf1 Ba6 24. Nb5 Bxb5 25. cxb5 Nxd5 26. c4 Nc3 27. a3 Kf7 28. Bd2 Na4 29. Kf2 Ke6 30. f4 d5 31. cxd5+ Kxd5 32. Ke3 Nb2 33. Bb4 Kc4 34. Be7 Kxb5 35. Kd4 0-1

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.05"]
[Round "5.8"]
[White "Sierra, Henry Alberto"]
[Black "Quintero, Raul"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1459"]
[BlackElo "1856"]
[PlyCount "130"]
[EventDate "2019.12.03"]
[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 g6 3. Nc3 d6 4. e4 Bg7 5. Nf3 c6 6. Be2 a5 7. 0-0 0-0 8. Be3 h6 9. Nd2 e5 10. dxe5 dxe5 11. a4 Na6 12. Nb3 Qc7 13. f3 Be6 14. Nc5 Rfe8 15. Nxa6 Rxa6 16. Qc2 Bf8 17. Rfd1 Raa8 18. Rd2 Red8 19. Rad1 Kh7 20. Rxd8 Rxd8 21. Rxd8 Qxd8 22. c5 Nh5 23. Qd2 Qc7 24. Bf1 Nf4 25. Ne2 Nh5 26. Qc3 Nf6 27. Nc1 Nd7 28. Nd3 Be7 29. b4 axb4 30. Qxb4 f6 31. Qd2 Bf8 32. Nb2 Bxc5 33. Bxc5 Nxc5 34. Qb4 Nb3 35. Bc4 Nd4 36. Bxe6 Nxe6 37. Nc4 Kg7 38. Na5 Nd8 39. Nc4 Nf7 40. Na5 Nd8 41. Nc4 c5 42. Qb6 Qxb6 43. Nxb6 Kf7 44. Kf2 Ke6 45. Ke3 Nf7 46. Kd3 Nd6 47. Nc4 Nc8 48. Na5 b6 49. Nc4 Kd7 50. a5 Kc6 51. axb6 Nxb6 52. Nxb6 Kxb6 53. Kc4 Kc6 54. g3 f5 55. exf5 gxf5 56. h3 e4 57. fxe4 fxe4 58. g4 Kd6 59. h4 Ke5 60. g5 hxg5 61. h5 g4 62. h6 Kf6 63. h7 Kg7 64. Kc3 Kxh7 65. Kd2 Kg6 0-1

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.04"]
[Round "4.8"]
[White "Castillo, Jesus"]
[Black "Sierra, Henry Alberto"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1630"]
[BlackElo "1459"]
[PlyCount "19"]
[EventDate "2019.12.03"]
[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 c5 2. Bc4 d6 3. Nf3 Nc6 4. 0-0 Nf6 5. Re1 g6 6. d3 Bg7 7. c3 0-0 8. Bg5 a6 9. Qd2 Bg4 10. Bh6 1/2-1/2

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.04"]
[Round "3.8"]
[White "Sierra, Henry Alberto"]
[Black "Rico Hernandez, Edgar"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "1459"]
[BlackElo "1793"]
[PlyCount "57"]
[EventDate "2019.12.03"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. e4 Nxc3 12. bxc3 e5 13. Re1 exd4 14. cxd4 Nb6 15. Bb3 Bg4 16. h3 Bh5 17. g4 Bg6 18. Ne5 Rad8 19. Nxg6 hxg6 20. d5 Qg5 21. Qf3 cxd5 22. exd5 Rd6 23. Rad1 Rfd8 24. Qe4 Nd7 25. Qe7 Qxe7 26. Rxe7 Kf8 27. Rde1 Nc5 28. Rc7 Nxb3 29. Ree7 1/2-1/2

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.03"]
[Round "2.16"]
[White "Bastidas Noguera, Efren Albeiro"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1499"]
[BlackElo "1459"]
[PlyCount "30"]
[EventDate "2019.12.03"]
[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 c5 2. c3 d6 3. Nf3 Nf6 4. e5 dxe5 5. Nxe5 g6 6. Bc4 e6 7. d4 cxd4 8. cxd4 Nbd7 9. Nc3 Qa5 10. 0-0 Nxe5 11. dxe5 Qxe5 12. Qd3 Bd6 13. Bb5+ Bd7 14. Bxd7+ Nxd7 15. Nb5 Qxh2# 0-1

[Event "COL-ch Visually impaired"]
[Site "Cartagena"]
[Date "2019.12.03"]
[Round "1.8"]
[White "Sierra, Henry Alberto"]
[Black "Castillo Perez, Jaider Enrique"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1459"]
[BlackElo "1756"]
[PlyCount "66"]
[EventDate "2019.12.03"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 Nbd7 9. 0-0 Nd5 10. e4 Nxc3 11. bxc3 b5 12. Bb3 Bb7 13. Bxe7 Qxe7 14. a4 a6 15. d5 cxd5 16. exd5 exd5 17. axb5 axb5 18. Rxa8 Rxa8 19. Bxd5 Nb6 20. Bxb7 Qxb7 21. Re1 Qc7 22. Qe2 Qd7 23. Nd4 Nc4 24. h3 g6 25. Qf3 Ra6 26. Nb3 Rc6 27. Rd1 Rd6 28. Rxd6 Qxd6 29. Qe2 Kg7 30. Nd4 Qd5 31. Qe8 b4 32. Qb5 Qxb5 33. Nxb5 b3 0-1

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.11"]
[Round "7"]
[White "Sierra, Henry Alberto"]
[Black "Gonzalez Mojica, Renan Arturo"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1475"]
[BlackElo "1575"]
[PlyCount "38"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Qc2 h6 10. b4 Na6 11. a3 Nh7 12. Be3 f5 13. Bd3 f4 14. Bc1 g5 15. c5 g4 16. Ne1 Qh4 17. g3 Qh3 18. Ng2 Ng5 19. Rd1 fxg3 0-1

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.10"]
[Round "4"]
[White "Reyes, Riscanevo"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1769"]
[BlackElo "1475"]
[PlyCount "73"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Rc1 0-0 8. cxd5 exd5 9. Bd3 h6 10. Bh4 Re8 11. 0-0 Nf8 12. h3 Ng6 13. Bg3 Bd6 14. Bxd6 Qxd6 15. Qc2 Ne7 16. Ne5 Be6 17. Na4 Nd7 18. Nc5 f5 19. f4 Nxc5 20. Qxc5 Qxc5 21. Rxc5 Rf8 22. b4 a6 23. a4 b5 24. a5 Rac8 25. Rfc1 Rc7 26. Nxc6 Nxc6 27. Rxc6 Rxc6 28. Rxc6 Bc8 29. Rc7 g5 30. g3 g4 31. h4 h5 32. Kf2 Rd8 33. Ke2 Bd7 34. Kd2 Kf8 35. Bc2 Ke8 36. Bb3 Be6 37. Rc6 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.09"]
[Round "3"]
[White "Guio, Josue"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "1845"]
[BlackElo "1475"]
[PlyCount "49"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Ne7 4. Bd3 Nbc6 5. Ngf3 dxe4 6. Nxe4 Nd5 7. c3 Be7 8. 0-0 0-0 9. Qc2 h6 10. Re1 Nf6 11. h3 Nxe4 12. Bxe4 Bf6 13. Bf4 Re8 14. Rad1 Ne7 15. Ne5 Nd5 16. Bh2 c6 17. Qe2 Bxe5 18. Bxe5 Nf6 19. Bc2 Qe7 20. Rd3 Nh7 21. Rg3 f6 22. Qd3 Nf8 23. Bf4 Kh8 24. h4 f5 25. Be5 1-0

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.29"]
[Round "6"]
[White "Florez Herrera, Omar Luis"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1600"]
[BlackElo "1487"]
[PlyCount "25"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. b3 g6 7. Bb2 Bg7 8. Bd3 0-0 9. f3 Nc6 10. Nde2 Bd7 11. Qd2 Rc8 12. 0-0-0 b5 13. Kb1 0-1

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.29"]
[Round "7"]
[White "Sierra, Henry Alberto"]
[Black "Carvajal, Henry"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1487"]
[BlackElo "1864"]
[PlyCount "62"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 Nc6 7. 0-0 e5 8. d5 Ne7 9. Qc2 Nd7 10. b4 a5 11. bxa5 Rxa5 12. Be3 b6 13. Nd2 f5 14. f3 f4 15. Bf2 g5 16. a4 Ng6 17. Nb3 Ra8 18. a5 bxa5 19. Rxa5 Rxa5 20. Nxa5 Nf6 21. c5 h5 22. cxd6 cxd6 23. Nc6 Qd7 24. Ra1 Bb7 25. Ra7 Ra8 26. Qa2 Rxa7 27. Qxa7 Bxc6 28. Qb8+ Qe8 29. Qxd6 Bd7 30. Kf1 Qf8 31. Ke1 Qxd6 0-1

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.26"]
[Round "1"]
[White "Sierra, Henry Alberto"]
[Black "Rueda Rojas, Richard Alejandro"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1487"]
[PlyCount "38"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6 5. Bh4 Nc6 6. Nc3 g5 7. Bg3 Bd7 8. e3 Qe7 9. Bxc7 Bg7 10. c5 g4 11. Ne5 Nb4 12. a3 Rc8 13. Bd6 Nc2+ 14. Qxc2 Qd8 15. Ng6 Rg8 16. Ne7 Rxc5 17. Bxc5 Rh8 18. Ng6 Rg8 19. Ne5 b6 1-0

[Event "Uni De Paula Santander op 4th"]
[Site "Ocana"]
[Date "2019.08.25"]
[Round "6"]
[White "Pena Jaime, Juan Pablo"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1487"]
[PlyCount "74"]
[EventDate "2019.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Bb5 Bd7 5. Nf3 a6 6. Bxc6 Bxc6 7. 0-0 Nf6 8. e5 dxe5 9. fxe5 Bxf3 10. Qxf3 Qd4+ 11. Qe3 Qxe3+ 12. dxe3 Ng4 13. Nd5 0-0-0 14. Nb6+ Kc7 15. Na4 Nxe5 16. Nxc5 e6 17. Ne4 f6 18. Bd2 Nc4 19. Rad1 Nxd2 20. Rxd2 Rxd2 21. Nxd2 Bc5 22. Nc4 b5 23. b4 bxc4 24. bxc5 Rd8 25. Rb1 Rd2 26. Rb2 c3 27. Rb4 Rxc2 28. Rc4 Rxa2 29. Rxc3 Ra5 30. Rc1 Kc6 31. Kf1 Rxc5 32. Rxc5+ Kxc5 33. Ke2 Kc4 34. Kd1 Kd3 35. h3 e5 36. g4 Kxe3 37. Ke1 a5 0-1

[Event "Uni De Paula Santander op 4th"]
[Site "Ocana"]
[Date "2019.08.24"]
[Round "4"]
[White "Florez Caceres, Rafael Omar"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1561"]
[BlackElo "1487"]
[PlyCount "39"]
[EventDate "2019.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 e5 5. Nge2 Nf6 6. 0-0 Be7 7. d3 h6 8. h3 0-0 9. Be3 a6 10. Qd2 Nd4 11. f4 Nxe2+ 12. Nxe2 Nd7 13. Rae1 Rb8 14. c3 b5 15. d4 Qc7 16. f5 Nf6 17. g4 Bb7 18. Ng3 d5 19. dxe5 Qxe5 20. Bf4 1-0

[Event "Uni De Paula Santander op 4th"]
[Site "Ocana"]
[Date "2019.08.24"]
[Round "5"]
[White "Sierra, Henry Alberto"]
[Black "Sandoval, Cesar Leonardo"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1487"]
[BlackElo "1590"]
[PlyCount "24"]
[EventDate "2019.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 0-0 7. Bd3 c5 8. d5 Nxd5 9. cxd5 Bxg5 10. dxe6 dxe6 11. Bxh7+ Kxh7 12. Qxd8 Bxd8 0-1

[Event "Uni De Paula Santander op 4th"]
[Site "Ocana"]
[Date "2019.08.24"]
[Round "3"]
[White "Sierra, Henry Alberto"]
[Black "Trillos Martinez, Diomar Andres"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "1487"]
[PlyCount "44"]
[EventDate "2019.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nc6 4. Nc3 Bb4 5. e3 Nf6 6. a3 Bxc3+ 7. bxc3 Ne4 8. Qc2 Qf6 9. Bd3 Qg6 10. 0-0 Bd7 11. Nd2 f5 12. f3 Nf6 13. cxd5 exd5 14. e4 0-0-0 15. e5 Nh5 16. f4 Qg4 17. Nb3 Rhf8 18. Be2 Qh4 19. Qd1 g6 20. Nc5 Na5 21. g3 Nxg3 22. hxg3 Qxg3+ 1/2-1/2

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.11"]
[Round "6.8"]
[White "Martinez Roa, Alejandro"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1560"]
[BlackElo "1509"]
[PlyCount "43"]
[EventDate "2019.05.08"]
[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. Nf3 e6 3. Bg5 Be7 4. e3 d5 5. Bd3 Nbd7 6. 0-0 0-0 7. Nbd2 c6 8. Ne5 Nxe5 9. dxe5 Nd7 10. Bxe7 Qxe7 11. f4 Re8 12. Rf3 Nf8 13. Rh3 f5 14. Qf3 b6 15. Qg3 g6 16. Nf3 Qd7 17. Nd4 Bb7 18. Rf1 a6 19. Qg5 Qg7 20. Nf3 Rad8 21. c3 c5 22. Be2 0-1

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.10"]
[Round "5.10"]
[White "Sierra, Henry Alberto"]
[Black "Gonzalez Ospina, Juan Guillermo"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1509"]
[BlackElo "1487"]
[PlyCount "41"]
[EventDate "2019.05.08"]
[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 e5 2. dxe5 Nc6 3. Nf3 d5 4. exd6 cxd6 5. Bg5 Nf6 6. Nc3 Bg4 7. e3 Qa5 8. Bxf6 gxf6 9. Be2 Rd8 10. a3 d5 11. Nd4 Nb8 12. Bxg4 Rg8 13. Bf3 h5 14. Bxh5 Rxg2 15. Qf3 Rg5 16. h4 Rg7 17. 0-0-0 Nd7 18. Nxd5 a6 19. Nf5 Rg8 20. Qe4+ Ne5 21. Nxf6# 1-0

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.09"]
[Round "2.10"]
[White "Bastidas Noguera, Efren Albeiro"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1499"]
[BlackElo "1509"]
[PlyCount "72"]
[EventDate "2019.05.08"]
[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. Nf3 d5 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Bd3 Bd6 7. Bxd6 Qxd6 8. Nbd2 e5 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. h3 0-0 12. a3 Be6 13. Qf3 d4 14. cxd4 cxd4 15. Ne4 Nxe4 16. Qxe4 Qxe4 17. Bxe4 dxe3 18. fxe3 Rfd8 19. Kf2 Rd2+ 20. Kf3 Rxb2 21. Rab1 Rxb1 22. Rxb1 Rb8 23. Rc1 Rc8 24. Rxc8+ Bxc8 25. g4 g6 26. h4 h6 27. Bd5 Kf8 28. Ke4 Ke7 29. a4 b6 30. Kd4 Bxg4 31. e4 Be6 32. e5 Bxd5 33. Kxd5 a6 34. Kc4 b5+ 35. axb5 axb5+ 36. Kxb5 Ke6 0-1

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.09"]
[Round "3.5"]
[White "Care Garcia, Jose Joaquin"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1651"]
[BlackElo "1509"]
[PlyCount "77"]
[EventDate "2019.05.08"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Nc6 7. Nxc6 bxc6 8. Bc4 e5 9. 0-0 Be7 10. Qe2 0-0 11. Rad1 Qc7 12. Bb3 Bb7 13. f3 Rad8 14. Na4 Qb8 15. Rfe1 d5 16. Bb6 Rd7 17. exd5 cxd5 18. Qxe5 Bd6 19. Qf5 Bxh2+ 20. Kh1 Bc8 21. Bd4 Re7 22. Qg5 Rxe1+ 23. Rxe1 Bf4 24. Be5 Bxe5 25. Qxe5 Qb4 26. c3 Qh4+ 27. Kg1 h6 28. Rf1 Re8 29. Qd4 Qg3 30. Qf2 Qg5 31. Re1 Rxe1+ 32. Qxe1 Bh3 33. Qe2 Nh5 34. Qe8+ Kh7 35. Bc2+ g6 36. Qxf7+ Ng7 37. Qxg6+ Qxg6 38. Bxg6+ Kxg6 39. gxh3 1-0

[Event "Medellin op 2nd"]
[Site "Medellin"]
[Date "2019.05.08"]
[Round "1.4"]
[White "Sierra, Henry Alberto"]
[Black "Acosta Cruz, Luis Ivan"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1509"]
[BlackElo "1783"]
[PlyCount "36"]
[EventDate "2019.05.08"]
[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 e6 2. c4 f5 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Nf6 6. e3 Be7 7. Be2 0-0 8. 0-0 d6 9. Nd2 Nbd7 10. Bf3 c6 11. e4 fxe4 12. Ncxe4 Nxe4 13. Bxe7 Qxe7 14. Bxe4 d5 15. Bc2 Rf6 16. cxd5 exd5 17. Qh5 Rh6 18. Rae1 Qxe1 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.12"]
[Round "6.10"]
[White "Sierra, Henry Alberto"]
[Black "Alba, German David"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1545"]
[BlackElo "1705"]
[PlyCount "46"]
[EventDate "2018.11.09"]
[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 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 0-0 6. Be2 c6 7. 0-0 Qc7 8. h3 e5 9. d5 a5 10. Be3 Bd7 11. a3 Na6 12. Qc2 Rac8 13. Rab1 b5 14. cxb5 cxb5 15. Qd3 Nc5 16. Bxc5 Qxc5 17. Nxb5 Bxb5 18. Qxb5 Nxe4 19. Qxc5 Rxc5 20. Bd3 Nf6 21. Rbc1 Rxc1 22. Rxc1 e4 23. Bxe4 Nxe4 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.11"]
[Round "5.13"]
[White "Martinez Roa, Alejandro"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1545"]
[PlyCount "64"]
[EventDate "2018.11.09"]
[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 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 e6 5. Nge2 e5 6. 0-0 Be7 7. d3 0-0 8. Bg5 h6 9. Be3 a6 10. Qd2 Ng4 11. f4 Nxe3 12. Qxe3 Nd7 13. Rad1 Nf6 14. fxe5 dxe5 15. a3 Qc7 16. Nd5 Nxd5 17. exd5 c4 18. d4 exd4 19. Nxd4 Bg4 20. Rde1 Bg5 21. Qe4 Bd7 22. Nf3 Rae8 23. Qd4 Bf6 24. Qf2 Bxb2 25. Re3 Rxe3 26. Qxe3 Re8 27. Qf2 Bxa3 28. Nh4 Bc5 29. Qxc5 Qxc5+ 30. Kh1 Re2 31. Rd1 Qf2 32. Rg1 Re1 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.10"]
[Round "3.12"]
[White "Castillo Castellanos, David"]
[Black "Sierra, Henry Alberto"]
[Result "1/2-1/2"]
[ECO "B23"]
[BlackElo "1545"]
[PlyCount "27"]
[EventDate "2018.11.09"]
[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 c5 2. Bc4 d6 3. f4 Nf6 4. Nc3 e6 5. Nf3 Be7 6. d3 a6 7. a3 b5 8. Ba2 Bb7 9. Be3 0-0 10. e5 dxe5 11. fxe5 Nfd7 12. 0-0 Qc7 13. Bf4 Nc6 14. Qe2 1/2-1/2

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.10"]
[Round "4.11"]
[White "Sierra, Henry Alberto"]
[Black "Jaramillo, Carlos Mario"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1545"]
[BlackElo "1559"]
[PlyCount "44"]
[EventDate "2018.11.09"]
[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. Nf3 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 0-0 7. Bd3 c5 8. 0-0 b6 9. cxd5 Nxd5 10. Bxe7 Qxe7 11. Nxd5 exd5 12. Qc2 Nf6 13. Rac1 c4 14. Bf5 Bxf5 15. Qxf5 Rfe8 16. Rfe1 b5 17. b3 a6 18. bxc4 bxc4 19. Ne5 Rac8 20. Nd3 Qa3 21. Nc5 Rb8 22. Re2 Qxc1+ 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.09"]
[Round "1.14"]
[White "Nunez Palma, Diego Fernando"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1494"]
[BlackElo "1545"]
[PlyCount "72"]
[EventDate "2018.11.09"]
[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 c5 2. c4 d6 3. Nc3 Nf6 4. f3 Nc6 5. Nge2 g6 6. Nd5 Nxd5 7. cxd5 Ne5 8. d3 Bg7 9. d4 Nd7 10. dxc5 Nxc5 11. Nf4 Bd7 12. Nd3 Nxd3+ 13. Qxd3 0-0 14. Be2 Rc8 15. 0-0 Qb6+ 16. Kh1 a6 17. Rb1 Qc5 18. Be3 Qc2 19. Qxc2 Rxc2 20. Bd3 Rxb2 21. Rxb2 Bxb2 22. Rb1 Bf6 23. Rxb7 Bb5 24. Bc2 Rc8 25. Bb3 Rc3 26. Bh6 Rc8 27. a4 Bg7 28. Be3 Bc4 29. Bd1 e6 30. Rb2 Bxb2 31. f4 exd5 32. Bg4 Rb8 33. h3 dxe4 34. Bd7 d5 35. a5 Bc3 36. Bg4 d4 0-1

[Event "COL visually impaired 14th"]
[Site "Armenia"]
[Date "2018.11.09"]
[Round "2.2"]
[White "Sierra, Henry Alberto"]
[Black "Rico Hernandez, Edgar"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1545"]
[BlackElo "1863"]
[PlyCount "38"]
[EventDate "2018.11.09"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. Qc2 dxc4 9. Bxc4 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Rd1 Qe7 13. h3 Be6 14. Bd3 Rad8 15. f4 Bc7 16. e4 Bb6+ 17. Kh1 Ng4 18. Rf1 Qh4 19. Rf3 Qe1+ 0-1

[Event "COL-ch sf 2nd"]
[Site "Tunja"]
[Date "2018.04.21"]
[Round "8"]
[White "Corredor Agamez, Michelle"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1159"]
[BlackElo "1522"]
[PlyCount "20"]
[EventDate "2018.04.17"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b3 Nf6 4. Nc3 Nc6 5. d4 Nxd4 6. Nxd4 g6 7. Bb2 Bg7 8. Bc4 0-0 9. h3 b6 10. f3 Nd5 0-1

[Event "COL-ch sf 2nd"]
[Site "Tunja"]
[Date "2018.04.20"]
[Round "6"]
[White "Sanchez Huertas, Jorge Alfonso"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1594"]
[BlackElo "1522"]
[PlyCount "47"]
[EventDate "2018.04.17"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 c5 3. h3 Nf6 4. Nc3 e6 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Be7 8. Be3 0-0 9. a3 d5 10. Bd3 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Bg5 Bb7 14. 0-0 d4 15. Bxf6 Bxf6 16. Ne4 Be7 17. Qh5 g6 18. Qxe5 f5 19. Bc4+ Rf7 20. Nc5 Bc6 21. Bxf7+ Kxf7 22. Qe6+ Kf8 23. Qxc6 Rc8 24. Ne6+ 1-0

[Event "COL-ch sf 2nd"]
[Site "Tunja"]
[Date "2018.04.20"]
[Round "7"]
[White "Sierra, Henry Alberto"]
[Black "Corpus de Mares, Arnell"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1522"]
[PlyCount "62"]
[EventDate "2018.04.17"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. e3 Bg7 6. Bd3 0-0 7. 0-0 Bg4 8. h3 Bd7 9. Qb3 Bc8 10. Bd2 b6 11. Rac1 Ba6 12. Ne5 Ne4 13. Nxe4 dxe4 14. Bxe4 Bxe5 15. dxe5 Qxd2 16. Rfd1 Qa5 17. e6 f6 18. Qc2 Kg7 19. c5 b5 20. Qb3 Qa4 21. Qxa4 bxa4 22. a3 Bb5 23. f4 Na6 24. Rd7 Rfe8 25. h4 f5 26. Bf3 Kf6 27. g4 Kxe6 28. Rcd1 Nxc5 29. gxf5+ gxf5 30. Bxc6 Bxc6 31. Rc7 Rec8 0-1

[Event "COL-ch sf 2nd"]
[Site "Tunja"]
[Date "2018.04.19"]
[Round "5"]
[White "Acero Vargas, Cristian Camilo"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B13"]
[BlackElo "1522"]
[PlyCount "67"]
[EventDate "2018.04.17"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Bd3 cxd4 7. exd4 Bd6 8. Bg3 Bxg3 9. hxg3 h6 10. Nbd2 Qc7 11. 0-0 0-0 12. Re1 Re8 13. Ne5 Nd7 14. Qh5 Ndxe5 15. dxe5 Qe7 16. Nf3 f5 17. exf6 Qxf6 18. Ne5 Rf8 19. f3 Qg5 20. Qxg5 hxg5 21. Re2 Nxe5 22. Rxe5 g4 23. f4 Rf6 24. Rae1 Bd7 25. Rg5 Kf7 26. Be2 Rh8 27. Bxg4 Rhh6 28. Kf2 Rhg6 29. Bh5 Be8 30. Rxg6 Rxg6 31. Bxg6+ Kxg6 32. Rxe6+ Kf7 33. Re5 Bc6 34. Ke3 1-0

[Event "COL-ch sf 2nd"]
[Site "Tunja"]
[Date "2018.04.19"]
[Round "4"]
[White "Sierra, Henry Alberto"]
[Black "Serrato, Rafael Antonio"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1522"]
[BlackElo "1871"]
[PlyCount "78"]
[EventDate "2018.04.17"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 Re8 9. Qc2 h6 10. Bh4 Nh5 11. Bxe7 Qxe7 12. Rfe1 dxc4 13. Bxc4 Nb6 14. Bb3 c5 15. dxc5 Qxc5 16. Qe2 Nf6 17. Rac1 Qh5 18. Nb5 Rd8 19. Nbd4 Bd7 20. Rc7 Rab8 21. Rec1 Rdc8 22. R1c5 Nbd5 23. Bxd5 Rxc7 24. Rxc7 Qxd5 25. Qc4 Qxc4 26. Rxc4 a6 27. Ne5 Be8 28. f3 Kf8 29. e4 Ke7 30. Kf2 Kd6 31. Nd3 Nd7 32. Nb4 Nb6 33. Rc2 Rc8 34. Rxc8 Nxc8 35. f4 Kc5 36. Nbc2 Nd6 37. b3 Nxe4+ 38. Ke3 Nf6 39. g4 Nxg4+ 0-1

[Event "COL-ch sf 2nd"]
[Site "Tunja"]
[Date "2018.04.18"]
[Round "2"]
[White "Sierra, Henry Alberto"]
[Black "Toro Castaneda, Elizabeth"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1522"]
[BlackElo "1996"]
[PlyCount "50"]
[EventDate "2018.04.17"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 g6 6. Nc3 Bg7 7. e4 d6 8. Nf3 0-0 9. Be2 Nbd7 10. 0-0 Nxb6 11. Nd2 e6 12. Nc4 exd5 13. Nxb6 Qxb6 14. Nxd5 Nxd5 15. Qxd5 Be6 16. Qd2 Rfd8 17. Qc2 Rab8 18. Bc4 Bxc4 19. Qxc4 Qc6 20. f3 Bxb2 21. Bxb2 Rxb2 22. Rab1 Rdb8 23. Rxb2 Rxb2 24. Rf2 Rb1+ 25. Rf1 Rb4 0-1

[Event "COL-ch visual limited"]
[Site "Barranquilla"]
[Date "2017.11.12"]
[Round "5.4"]
[White "Sierra, Henry Alberto"]
[Black "Rosales, Jhon Mike"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "1551"]
[BlackElo "1614"]
[PlyCount "52"]
[EventDate "2017.11.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. Bg5 Ne4 5. Be3 Bxe3 6. fxe3 Qh4+ 7. g3 Nxg3 8. Nf3 Qh5 9. Rg1 Nxf1 10. Rxf1 d6 11. Nc3 a6 12. Qd3 Nd7 13. Ne4 Nf6 14. Nxf6+ gxf6 15. 0-0-0 Bf5 16. e4 Bg6 17. Rg1 Qh3 18. Rg3 Qd7 19. Nd2 b5 20. cxb5 axb5 21. Qb3 0-0 22. h4 h5 23. Rdg1 Kh7 24. Kb1 c6 25. dxc6 Qxc6 26. Qd5 Qxd5 0-1

[Event "COL-ch visual limited"]
[Site "Barranquilla"]
[Date "2017.11.11"]
[Round "4.6"]
[White "Pena Castro, Francisco"]
[Black "Sierra, Henry Alberto"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1551"]
[PlyCount "16"]
[EventDate "2017.11.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c4 d6 3. Nf3 Nf6 4. d3 g6 5. Nc3 Bg7 6. Bg5 0-0 7. Qd2 Re8 8. Nd5 Nxd5 0-1

[Event "COL-ch visual limited"]
[Site "Barranquilla"]
[Date "2017.11.11"]
[Round "3.4"]
[White "Sierra, Henry Alberto"]
[Black "Acevedo Hernandez, Fausto"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1551"]
[BlackElo "1499"]
[PlyCount "75"]
[EventDate "2017.11.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Bg7 5. e4 0-0 6. Be2 Nc6 7. 0-0 Bg4 8. Be3 Nd7 9. h3 Bxf3 10. Bxf3 e5 11. d5 Nd4 12. Rc1 a6 13. Be2 Nxe2+ 14. Qxe2 b6 15. b4 f5 16. f3 f4 17. Bf2 Nf6 18. c5 Nh5 19. cxd6 cxd6 20. Qe1 b5 21. a4 Rf7 22. axb5 axb5 23. Ra1 Rb8 24. Ra5 Ng3 25. Bxg3 fxg3 26. Qxg3 Qb6+ 27. Qf2 Rfb7 28. Qxb6 Rxb6 29. Rfa1 Bh6 30. Ra6 Be3+ 31. Kf1 Bd4 32. Rxb6 Rxb6 33. Ra3 Rb8 34. Ke2 Kf8 35. Kd3 Ke7 36. Ra5 Bxc3 37. Kxc3 Rb7 38. Ra8 1/2-1/2

[Event "COL-ch visual limited"]
[Site "Barranquilla"]
[Date "2017.11.10"]
[Round "2.2"]
[White "Acosta Cruz, Luis Ivan"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1753"]
[BlackElo "1551"]
[PlyCount "75"]
[EventDate "2017.11.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. d3 g6 4. g3 Bg7 5. Bg2 0-0 6. Bg5 Nc6 7. e3 d6 8. Nge2 Rb8 9. 0-0 h6 10. Bxf6 Bxf6 11. Qd2 Bd7 12. Rad1 Qc8 13. Nf4 Re8 14. Rfe1 Bg7 15. Bd5 e6 16. Bg2 Ne7 17. b3 Bc6 18. e4 b5 19. Nce2 e5 20. Nd5 Nxd5 21. cxd5 Bd7 22. Rc1 b4 23. Kh1 Qd8 24. f4 exf4 25. Qxf4 Qf6 26. Rf1 Qxf4 27. gxf4 Bg4 28. Ng3 Bd4 29. h3 Bd7 30. Rf3 Rf8 31. Nf1 f5 32. Nd2 g5 33. Nc4 g4 34. Rff1 Rf6 35. e5 dxe5 36. fxe5 Rg6 37. e6 gxh3 38. Bxh3 1-0

[Event "COL-ch visual limited"]
[Site "Barranquilla"]
[Date "2017.11.10"]
[Round "1.9"]
[White "Sierra, Henry Alberto"]
[Black "Nunez Palma, Diego Fernando"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1551"]
[PlyCount "52"]
[EventDate "2017.11.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Ne7 6. Bg5 0-0 7. e3 f6 8. Bh4 Nd7 9. Nf3 Nf5 10. Bd3 Nb6 11. cxd5 Nxd5 12. c4 Nb6 13. 0-0 Bd7 14. c5 Ba4 15. Qb1 Nd7 16. Bxf5 exf5 17. Qxf5 c6 18. Rab1 Rb8 19. Bg3 Rc8 20. Rxb7 Rf7 21. Rb4 Bb5 22. Rfb1 Ba6 23. Ra4 Bb5 24. Rxa7 Ra8 25. Rxa8 Qxa8 26. Ra1 Qa4 1-0

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.25"]
[Round "7"]
[White "Arenas Perez, Luis Antonio"]
[Black "Sierra, Henry Alberto"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1596"]
[BlackElo "1561"]
[PlyCount "40"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 e6 5. d3 Be7 6. Bg5 0-0 7. 0-0 Nbd7 8. Bf4 b6 9. Bb5 e5 10. Bg5 Bb7 11. Nh4 a6 12. Bxd7 Qxd7 13. h3 h6 14. Bxf6 Bxf6 15. Nf5 d5 16. Qg4 Kh7 17. exd5 Bxd5 18. Ne7 Qxg4 19. hxg4 Bxg2 20. Kxg2 Bxe7 1/2-1/2

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.25"]
[Round "6"]
[White "Sierra, Henry Alberto"]
[Black "Pacheco Quintero, Omar"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1561"]
[BlackElo "1603"]
[PlyCount "70"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. Nc3 0-0 5. e4 d6 6. Be2 Re8 7. 0-0 Nc6 8. Be3 Bd7 9. Rc1 Ng4 10. h3 Nxe3 11. fxe3 Qc8 12. Nh2 Nd8 13. Bg4 h5 14. Bxd7 Qxd7 15. Qf3 e5 16. d5 c6 17. Qf2 Rf8 18. Qh4 Bh6 19. Rf3 f6 20. g4 Bg5 21. Qg3 h4 22. Qf2 Qc7 23. Rf1 Kg7 24. Qe2 a6 25. a4 Rb8 26. R3f2 Qb6 27. Nd1 Qb4 28. Nf3 Nf7 29. Nxg5 Nxg5 30. Kh2 Nxe4 31. Rg2 Qxa4 32. Qd3 cxd5 33. Qxd5 Qc6 34. Qxc6 bxc6 35. Nf2 Nd2 0-1

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.24"]
[Round "3"]
[White "Rincon R, Javier Duvan"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1843"]
[BlackElo "1561"]
[PlyCount "87"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Nc3 a6 8. Be3 0-0 9. Qd2 Nbd7 10. Be2 Nb6 11. a4 d5 12. cxd5 exd5 13. a5 Nc4 14. Bxc4 dxc4 15. Na4 Nd7 16. 0-0 Ne5 17. Nb6 Rb8 18. Rfc1 Bc5 19. Nxc4 Nxc4 20. Rxc4 Qe7 21. Rac1 Bxd4 22. Bxd4 Rd8 23. Qc3 Be6 24. Rc7 Rd7 25. Rxd7 Qxd7 26. Bxg7 Rc8 27. Qxc8+ Qxc8 28. Rxc8+ Bxc8 29. Bf6 Be6 30. Kf2 Kf8 31. Ke3 Ke8 32. Kf4 Bc4 33. g4 Bf1 34. Kf5 Be2 35. f4 Kd7 36. Bc3 Ke7 37. h4 h5 38. Bb4+ Ke8 39. gxh5 Bxh5 40. Kg5 Bf3 41. e5 Be4 42. f5 Kd7 43. h5 Kc6 44. h6 1-0

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.24"]
[Round "4"]
[White "Sierra, Henry Alberto"]
[Black "Rojas Mendoza, Joun Sun"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1561"]
[BlackElo "1556"]
[PlyCount "50"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. axb5 cxb5 6. Nc3 Bd7 7. b3 b4 8. Na2 cxb3 9. Qxb3 a5 10. Nxb4 Qb6 11. Bc4 e6 12. Nc2 Qxb3 13. Bxb3 a4 14. Bc4 Nc6 15. Ne2 Nb4 16. Nxb4 Bxb4+ 17. Bd2 Bxd2+ 18. Kxd2 Ne7 19. Rhb1 0-0 20. Rb7 Rfd8 21. Nc3 Nc6 22. Rxa4 Na5 23. Rab4 Nxb7 24. Rxb7 Bc6 25. Rc7 Rxd4+ 0-1

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.24"]
[Round "5"]
[White "Usuga Arias, Luis Angel"]
[Black "Sierra, Henry Alberto"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1581"]
[BlackElo "1561"]
[PlyCount "54"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. Bb5 Bd7 5. Bxc6 Bxc6 6. d3 Nf6 7. 0-0 e6 8. Re1 Be7 9. h3 0-0 10. Bf4 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. c4 Bc6 14. Ne5 Rc8 15. Qg4 f5 16. Qh5 Qe8 17. Qxe8 Rfxe8 18. Rad1 Bf6 19. b3 Bxe5 20. Rxe5 b6 21. f3 h6 22. h4 Rcd8 23. Kh2 Kf7 24. a4 Rd4 25. Kg3 Red8 26. Rde1 Rxd3 27. Rxe6 Re8 1/2-1/2

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.23"]
[Round "1"]
[White "Romero Barreto, Jaime Jose"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2245"]
[BlackElo "1561"]
[PlyCount "81"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Bb5 Bd7 5. Nf3 a6 6. Bxc6 Bxc6 7. 0-0 Nf6 8. d3 e6 9. e5 Nd7 10. Ng5 Be7 11. exd6 Bxd6 12. Qh5 g6 13. Qh3 Qe7 14. Nce4 Bxe4 15. Nxe4 Bc7 16. Bd2 0-0-0 17. Bc3 Rhe8 18. Qxh7 f5 19. Qxe7 Rxe7 20. Ng5 e5 21. Rae1 Rde8 22. fxe5 Bxe5 23. Bxe5 Rxe5 24. Kf2 Rxe1 25. Rxe1 Rxe1 26. Kxe1 Nf6 27. Ne6 b6 28. h4 Ng4 29. Nf4 Ne5 30. c3 Kd7 31. d4 cxd4 32. cxd4 Nc6 33. Nxg6 Nxd4 34. h5 Ne6 35. Nh4 f4 36. Ng6 Ke8 37. Kf2 Kf7 38. Kf3 Kg7 39. Nxf4 Nxf4 40. Kxf4 Kh6 41. g4 1-0

[Event "Uni De Paula Santander op 2nd"]
[Site "Ocana"]
[Date "2016.09.23"]
[Round "2"]
[White "Sierra, Henry Alberto"]
[Black "Nunez, Jose Luis"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1561"]
[PlyCount "53"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. a3 Nc6 6. axb4 Nxb4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nh5 10. e3 Ng7 11. h3 0-0 12. h4 g4 13. Ne5 h5 14. Qa4 Qe7 15. c5 a5 16. Bf4 Kh7 17. Nd3 Bd7 18. Qd1 Nf5 19. g3 Ng7 20. Ne5 f6 21. Bd3+ Nf5 22. Nxd7 Qxd7 23. Bxf5+ exf5 24. 0-0 Nc6 25. Qd3 Ne7 26. Nb5 c6 27. Nd6 1-0

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.02"]
[Round "5"]
[White "Sierra, Henry Alberto"]
[Black "Pena Mora, Carlos"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1600"]
[BlackElo "1632"]
[PlyCount "58"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 h6 4. Bh4 Be7 5. Nc3 b6 6. e3 Bb7 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Bd3 f5 11. Bxe4 fxe4 12. Ne5 Qb4+ 13. Qd2 Qxd2+ 14. Kxd2 d6 15. Ng6 Rg8 16. b4 Nd7 17. Nf4 Kf7 18. Nh5 g6 19. Ng3 Nf6 20. c5 d5 21. cxb6 cxb6 22. Rac1 Rgc8 23. h3 b5 24. Rxc8 Rxc8 25. Rc1 Rc4 26. Rxc4 bxc4 27. Ne2 g5 28. Nc3 a6 29. a4 Nd7 0-1

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.01"]
[Round "2"]
[White "Gomez Morales, Juan Sebastian"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1850"]
[BlackElo "1600"]
[PlyCount "55"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Bf4 e6 5. e3 Be7 6. Nf3 0-0 7. h3 Nbd7 8. c5 b5 9. b4 Nh5 10. Bh2 Nhf6 11. Bd3 Re8 12. 0-0 Nf8 13. Ne5 Bb7 14. f4 N6d7 15. Qf3 Nxe5 16. fxe5 f5 17. exf6 Bxf6 18. Qh5 Ng6 19. Ne2 e5 20. dxe5 Bxe5 21. Bxg6 Bxh2+ 22. Kxh2 hxg6 23. Qxg6 Qc7+ 24. Kh1 Rxe3 25. Nf4 Qe5 26. Nh5 Re8 27. Nf6+ Kh8 28. Qh7# 1-0

[Event "Bogota Distrital-ch 77th"]
[Site "Bogota"]
[Date "2015.05.01"]
[Round "3"]
[White "Sierra, Henry Alberto"]
[Black "Gaitan Bautista, Oscar"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "1600"]
[BlackElo "1798"]
[PlyCount "53"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. Nf3 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 b6 9. Qc2 h6 10. Bh4 dxc4 11. Bxc4 Bb7 12. Bd3 c5 13. Ne4 Rc8 14. Nxf6+ Nxf6 15. Qe2 Nd5 16. Bxe7 Qxe7 17. dxc5 Rxc5 18. a3 Rfc8 19. Rfd1 Nf6 20. Nd4 Qc7 21. Nb5 Qc6 22. f3 Ra8 23. Nd6 Rd5 24. Nxb7 Qxb7 25. Ba6 Qe7 26. Rxd5 Nxd5 27. Rd1 1/2-1/2

