[Event "Rivera Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.23"]
[Round "6"]
[White "Tipiani Martinez, Paula Sofia"]
[Black "Lozada, Oscar Alexander"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1403"]
[PlyCount "51"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. h3 Nf6 6. Nc3 e5 7. Nde2 Be7 8. g4 h6 9. Bg2 Be6 10. Ng3 a6 11. 0-0 0-0 12. Kh2 Rc8 13. f4 exf4 14. Bxf4 Ne5 15. Nf5 Kh7 16. Qe1 g5 17. Bxe5 dxe5 18. Qg3 Bxf5 19. Rxf5 Rc5 20. h4 gxh4 21. Qxh4 Nxe4 22. Qh5 Ng5 23. Ne4 Rxc2 24. Raf1 f6 25. Nxg5+ fxg5 26. Rf7+ 1-0

[Event "Rivera Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "5"]
[White "Lozada, Oscar Alexander"]
[Black "Quevedo Bonilla, Paula Thaliana"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "1462"]
[PlyCount "78"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. Bg5 d6 6. e3 Nbd7 7. Be2 e5 8. 0-0 exd4 9. Nxd4 Nc5 10. Rc1 Qd7 11. b4 Nce4 12. Nxe4 Nxe4 13. Bf4 Re8 14. a3 Qe7 15. Bf3 h5 16. Qd3 Ng5 17. Be2 Ne6 18. Nxe6 Bxe6 19. e4 Rad8 20. f3 f5 21. Rfe1 Qf6 22. Be3 Bd7 23. Qd2 fxe4 24. fxe4 Rxe4 25. Bf3 Ree8 26. Kh1 Qf8 27. Bg5 Rxe1+ 28. Rxe1 Re8 29. Rf1 Kh7 30. Be2 Qg8 31. c5 Qe6 32. Bf3 Bb5 33. Rd1 dxc5 34. bxc5 Ba4 35. Rg1 Bc6 36. Bd1 Qf5 37. Qc1 Bd4 38. Bc2 Qf2 39. Qb1 Bxg2+ 0-1

[Event "Rivera Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "4"]
[White "Rodriguez, William Nicolas1"]
[Black "Lozada, Oscar Alexander"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1596"]
[PlyCount "105"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. c4 Bg4 6. dxc5 e5 7. cxd5 Nxd5 8. Bg3 e4 9. Qa4 Bxf3 10. gxf3 exf3 11. Qe4+ Be7 12. Bd6 Nf6 13. Qxf3 Bxd6 14. cxd6 Qxd6 15. Bb5 Rc8 16. Nc3 0-0 17. Rd1 Qb4 18. Rg1 Qxb2 19. Qxf6 g6 20. Be2 Nb4 21. Nd5 Qxf6 22. Nxf6+ Kg7 23. Nd5 Nxa2 24. Ra1 Rc2 25. Bd3 Rc5 26. e4 Nc3 27. Nxc3 Rxc3 28. Kd2 Rc5 29. Rxa7 Rh5 30. Rg2 b5 31. Rb7 Ra8 32. Rxb5 Ra2+ 33. Ke3 Rh3+ 34. Rg3 Rxh2 35. Rf3 Ra7 36. Rb6 Rh1 37. Rb1 Rh5 38. Kd4 Rha5 39. Bc4 Ra4 40. Rfb3 Rc7 41. Rb4 Raa7 42. Bd5 h5 43. Rb7 Rcxb7 44. Rxb7 Rxb7 45. Bxb7 f6 46. e5 fxe5+ 47. Kxe5 g5 48. Kf5 Kh6 49. Bf3 h4 50. Bg4 h3 51. Bxh3 Kh5 52. Bg4+ Kh4 53. f3 1-0

[Event "Rivera Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "3"]
[White "Lozada, Oscar Alexander"]
[Black "Padilla, Jorge Andres"]
[Result "1-0"]
[ECO "D20"]
[BlackElo "1454"]
[PlyCount "41"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. d5 Nf6 5. e4 b5 6. a3 Bc5 7. Bg5 0-0 8. Nf3 Qd6 9. Be2 a6 10. 0-0 Bb7 11. Qc2 c6 12. Rad1 Nbd7 13. Rd2 cxd5 14. exd5 Nb6 15. Bxf6 gxf6 16. Ne4 Qe7 17. d6 Bxd6 18. Nxd6 Nd5 19. Nxb7 Qxb7 20. Qe4 Rfd8 21. Rfd1 1-0

[Event "Rivera Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Lozada, Oscar Alexander"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1744"]
[PlyCount "85"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 d6 4. Nf3 Nf6 5. Bg2 e5 6. d3 Be7 7. Bg5 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nh4 Qd7 11. Qa4 Rc8 12. 0-0-0 a6 13. Rdf1 0-0 14. f4 exf4 15. Bxf4 Rc7 16. Bd2 Nd4 17. Qd1 b5 18. Nxg6 hxg6 19. e3 Ne6 20. h4 b4 21. Nd5 Nxd5 22. Bxd5 g5 23. hxg5 Bxg5 24. Qf3 Qe7 25. Qf5 Bh6 26. Rh2 g6 27. Qf3 Ng5 28. Qh1 Bg7 29. e4 Qe5 30. Bxg5 Qxg5+ 31. Kb1 Qe3 32. Rf3 Qd4 33. Qf1 Be5 34. Rhf2 Kg7 35. Rxf7+ Rfxf7 36. Bxf7 a5 37. Be8 Ra7 38. Qe2 a4 39. Qf3 a3 40. g5 axb2 41. Qf8+ Kh7 42. Bxg6+ Kxg6 43. Qh6# 1-0

[Event "Rivera Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.20"]
[Round "1"]
[White "Lozada, Oscar Alexander"]
[Black "Bareno Martinez, Raul Antonio"]
[Result "1-0"]
[ECO "A84"]
[BlackElo "1575"]
[PlyCount "97"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. a3 b6 4. Nf3 Nf6 5. Bf4 Bb7 6. e3 Be7 7. Nc3 Ne4 8. Be2 Nxc3 9. bxc3 0-0 10. 0-0 d6 11. Qd2 Nd7 12. Rfb1 Nf6 13. h3 Ne4 14. Qc2 Rf6 15. Nd2 Qd7 16. Nxe4 fxe4 17. Bg4 Qc6 18. Bg5 Rf7 19. Bf4 d5 20. cxd5 exd5 21. f3 Bc8 22. Bxc8 Rxc8 23. fxe4 dxe4 24. Rd1 Rd8 25. c4 Qb7 26. d5 Bf6 27. Rab1 Re8 28. c5 b5 29. a4 b4 30. a5 g5 31. Bg3 Qb5 32. d6 cxd6 33. cxd6 Rd7 34. Qb3+ Kg7 35. Qxb4 Qe2 36. Qd2 Qxd2 37. Rxd2 Be5 38. Bxe5+ Rxe5 39. a6 Re8 40. Rb7 Red8 41. Rc2 Kf6 42. Rcc7 Rxc7 43. dxc7 Rc8 44. Rxa7 Ke6 45. Rb7 Kd7 46. a7 Ra8 47. Rb8 Rxa7 48. c8Q+ Kd6 49. Qd8+ 1-0

