[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "1"]
[White "Cantor Pardo, Antonio"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1570"]
[BlackElo "2185"]
[PlyCount "116"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Nd2 Bb4 6. Nb3 a5 7. a4 0-0 8. f3 d6 9. e4 Nbd7 10. Qd2 e5 11. dxe5 dxe5 12. Bg5 h6 13. Be3 Qe7 14. 0-0-0 Rfd8 15. Bb5 Nf8 16. Bd3 Ne6 17. g4 Nd4 18. g5 hxg5 19. Bxg5 Nxf3 20. Qg2 Nxg5 21. Qxg5 Nh7 22. Qg3 Qg5+ 23. Qxg5 Nxg5 24. Rhg1 Ne6 25. Nd5 Bxd5 26. exd5 Nf4 27. Be4 Ne2+ 28. Kb1 Nxg1 29. Rxg1 Bd6 30. Nd2 g6 31. Nf3 Kg7 32. Nh4 Rh8 33. Nf5+ Kf6 34. Nxd6 cxd6 35. Rg2 Rh4 36. Bf3 Rxa4 37. b3 Rf4 38. Be2 a4 39. Bc4 axb3 40. Bxb3 e4 41. Re2 Ke5 42. c3 f5 43. Kb2 Rf3 44. c4 e3 45. Kc3 f4 46. Kd3 Ra3 47. Kc3 Rf2 48. Re1 Ke4 49. Rd1 Rxb3+ 50. Kxb3 e2 51. Re1 Ke3 52. Kc2 Rf1 53. Rxf1 exf1Q 54. c5 Qd3+ 55. Kc1 Qd2+ 56. Kb1 Kd3 57. Ka1 Kc3 58. cxd6 Qb2# 0-1

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "3"]
[White "Conti, Julian"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "1911"]
[BlackElo "2185"]
[PlyCount "99"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bxf6 Qxf6 9. Qd2 Nc6 10. e5 dxe5 11. Nxc6 bxc6 12. fxe5 Qxe5+ 13. Be2 Bc5 14. Rf1 0-0 15. Qf4 Qxf4 16. Rxf4 Rb8 17. Na4 Bd6 18. Rh4 Be7 19. Rc4 Rd8 20. Rd1 Rxd1+ 21. Bxd1 Bd7 22. b3 Rb5 23. Bf3 Re5+ 24. Kf2 c5 25. Nb6 Bb5 26. Rc3 Bd8 27. Nc4 Rg5 28. a4 Bxc4 29. Rxc4 Kf8 30. Bb7 a5 31. h3 Ke7 32. Ke2 Kd6 33. Bf3 Re5+ 34. Kd3 f5 35. Rc3 Bg5 36. Kc4 Re3 37. Rd3+ Rxd3 38. Kxd3 e5 39. Bh5 Bc1 40. Bg6 Ke6 41. Kc4 Ba3 42. g4 fxg4 43. hxg4 Kf6 44. Be8 Kg5 45. Bd7 e4 46. Bf5 Kf4 47. c3 e3 48. Kd3 Kf3 49. Be6 e2 50. Kd2 0-1

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "2"]
[White "Obando Guzman, Soren Federico"]
[Black "Galan Sanchez, Kevin Felipe"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2185"]
[BlackElo "1789"]
[PlyCount "158"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Re8 7. Nc3 Nbd7 8. e4 e5 9. h3 exd4 10. Nxd4 Nc5 11. Re1 a6 12. f3 Nh5 13. Kh2 Bd7 14. Be3 h6 15. Qc2 Ne6 16. Nde2 Qc8 17. Rad1 Ng5 18. g4 Nf6 19. Ng3 Bc6 20. f4 Ngh7 21. Nd5 Bd7 22. Bf2 Nxd5 23. cxd5 Qd8 24. Rc1 Rc8 25. Ne2 g5 26. Kh1 gxf4 27. Nxf4 Qf6 28. Nd3 Ng5 29. Bg3 Qg6 30. e5 dxe5 31. Nxe5 Qxc2 32. Rxc2 Bb5 33. b3 a5 34. Nc4 Rxe1+ 35. Bxe1 a4 36. Nd6 axb3 37. axb3 Bd3 38. Nxc8 Bxc2 39. b4 Ne4 40. Ne7+ Kf8 41. Nf5 Nd6 42. Bg3 Bxf5 43. gxf5 Ke7 44. Bf1 Bf6 45. Bd3 Kd7 46. Kg2 Bc3 47. b5 f6 48. Kf3 Nf7 49. Kg4 Be5 50. Bf2 Kd6 51. Bc2 Bc3 52. Kh5 Bd2 53. Kg6 Ke7 54. Bd4 Bg5 55. Bc5+ Nd6 56. Bd3 Kd7 57. Be2 Ke7 58. Bf2 Ne4 59. Be1 Kd6 60. h4 Bf4 61. Bf3 Kxd5 62. Bxe4+ Kxe4 63. Kxf6 Kd5 64. Bf2 c5 65. bxc6 bxc6 66. Kg7 c5 67. f6 Be5 68. Kg6 c4 69. f7 Bd6 70. Kxh6 Bf8+ 71. Kh7 Ke6 72. Kg8 Bh6 73. Bd4 Kd5 74. Kh7 Bf8 75. Bg7 Be7 76. f8Q Bxf8 77. Bxf8 c3 78. Ba3 Ke4 79. Kg6 Kd5 1-0

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "4"]
[White "Obando Guzman, Soren Federico"]
[Black "Silva, Jorge"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2185"]
[BlackElo "1974"]
[PlyCount "69"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. b3 0-0 6. Bb2 Nbd7 7. e3 b6 8. Qe2 Bb7 9. Rd1 Qc8 10. c4 c5 11. Nc3 Rd8 12. Rac1 Rb8 13. cxd5 exd5 14. d4 Ba6 15. Qe1 c4 16. Ne5 Bb4 17. bxc4 Bxc4 18. Nxc4 dxc4 19. e4 b5 20. e5 Ne8 21. e6 Ndf6 22. Bh3 Qc6 23. exf7+ Kxf7 24. Bg2 Qe6 25. Qd2 Bxc3 26. Bxc3 Nd5 27. Ba5 Rd7 28. Bxd5 Rxd5 29. Qf4+ Rf5 30. Qxb8 Nf6 31. Re1 Qd5 32. Re5 Rxe5 33. dxe5 Ng4 34. Qc7+ Kg6 35. Qd6+ 1-0

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "6"]
[White "Obando Guzman, Soren Federico"]
[Black "Urquijo Prada, Santiago"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2185"]
[BlackElo "1916"]
[PlyCount "57"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. c4 e6 5. h3 Bh5 6. 0-0 Bd6 7. d3 0-0 8. Qb3 Qc8 9. Nc3 c6 10. cxd5 exd5 11. e4 Bxf3 12. Bxf3 Qxh3 13. Bg2 Qh5 14. exd5 cxd5 15. Nxd5 Ng4 16. Re1 Qh2+ 17. Kf1 Bxg3 18. Be3 Nc6 19. Qd1 Nxe3+ 20. Rxe3 Bd6 21. Qg4 f5 22. Qc4 Kh8 23. Rae1 f4 24. Rh3 Qxh3 25. Bxh3 Ne5 26. Qe4 Rae8 27. d4 g5 28. dxe5 Rxe5 29. Qd3 1-0

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "7"]
[White "Ordonez Gonzalez, Gabriel"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1952"]
[BlackElo "2185"]
[PlyCount "74"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Nc6 4. Nc3 Bg7 5. d3 Nh6 6. Nf3 Nf5 7. 0-0 d6 8. e4 Nfd4 9. Nxd4 Nxd4 10. h3 0-0 11. Be3 e6 12. Qd2 Qb6 13. Rab1 Re8 14. Rfe1 Bd7 15. Ne2 Nxe2+ 16. Rxe2 Bc6 17. b4 Bd7 18. Qc2 Qc7 19. Qb3 Rab8 20. b5 b6 21. a4 Bc8 22. Ra2 Bb7 23. Bd2 Rbd8 24. Bc3 Bxc3 25. Qxc3 d5 26. exd5 exd5 27. a5 dxc4 28. axb6 axb6 29. Ra7 Rxd3 30. Qxc4 Rd4 31. Qa2 Rb8 32. Re1 Rd7 33. Bc6 Rd6 34. Re8+ Rxe8 35. Rxb7 Rxc6 36. bxc6 Re1+ 37. Kh2 Rh1+ 0-1

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "5"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2001"]
[BlackElo "2185"]
[PlyCount "61"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. 0-0 d5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. Bc3 Rc8 12. Nd2 0-0 13. e4 Bb7 14. Qc2 Qc7 15. Rac1 Rfd8 16. Rfd1 c5 17. exd5 exd5 18. Qf5 dxc4 19. d5 Bf6 20. Nxc4 Bxc3 21. Rxc3 g6 22. Qg5 Re8 23. d6 Qb8 24. Bh3 Rcd8 25. Re3 Bc6 26. Re7 Nf8 27. Rde1 b5 28. Qf6 Bd5 29. Be6 Bxe6 30. R1xe6 Rxe7 31. Rxe7 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.22"]
[Round "6.2"]
[White "Nunez V, Daniel Fernando"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2193"]
[BlackElo "2085"]
[PlyCount "122"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Tolima"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. c3 a6 5. Ba4 b5 6. Bc2 d5 7. d3 Nf6 8. 0-0 Bg4 9. h3 Bh5 10. Qe2 Be7 11. Nbd2 0-0 12. Re1 Re8 13. Nf1 h6 14. Ng3 Bg6 15. Nh4 Bh7 16. Nhf5 Bf8 17. a4 Rb8 18. axb5 axb5 19. Qf3 d4 20. Bb3 Na5 21. Rxa5 Qxa5 22. Nxh6+ gxh6 23. Qxf6 Qc7 24. Bxh6 Rb6 25. Bxf7+ Qxf7 26. Qxb6 Re6 27. Qxb5 Rxh6 28. cxd4 exd4 29. e5 Qd5 30. f4 Rh4 31. b4 Rxf4 32. Nh5 Rf5 33. Nf6+ Rxf6 34. exf6 Bg6 35. bxc5 Qxc5 36. Qb3+ Bf7 37. Qd1 Bh5 38. Qd2 Bg6 39. Rf1 Qd5 40. Qf4 Qd7 41. Qg5 Kf7 42. Rf3 Qe6 43. Rg3 Qf5 44. Qh4 Bd6 45. Rf3 Qe5 46. Qg4 Qe1+ 47. Rf1 Bh2+ 48. Kxh2 Qxf1 49. Qd7+ Kxf6 50. Qxd4+ Ke6 51. Qe3+ Kf6 52. d4 Qb5 53. g4 Qb8+ 54. Kg2 Bf7 55. Qf2+ Kg7 56. h4 Bd5+ 57. Kh3 Qb1 58. h5 Qh1+ 59. Kg3 Qe4 60. h6+ Kxh6 61. Qf4+ Qxf4+ 1/2-1/2

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "5.2"]
[White "Obando Guzman, Soren Federico"]
[Black "Castaneda, Jorge Luis"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2085"]
[BlackElo "2185"]
[PlyCount "68"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Cesar"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 b6 8. Ne5 Ba6 9. Qa4 b5 10. cxb5 cxb5 11. Qc2 Qb6 12. Rd1 Rc8 13. a3 Nc6 14. Be3 Na5 15. Bg5 Qd8 16. b4 Nc4 17. Nd3 Bb7 18. Nc5 Bc6 19. Bxf6 Bxf6 20. e4 a5 21. e5 Be7 22. Bf1 Ra7 23. Bd3 h6 24. Ra2 Rac7 25. Qe2 Nxa3 26. Na6 Ra7 27. Nxb5 Bxb5 28. Rxa3 axb4 29. Ra2 Bxd3 30. Qxd3 Qb6 31. Rda1 Rca8 32. Ra5 b3 33. Rb5 b2 34. Ra2 Qc6 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "4.2"]
[White "Ojeda Mujica, Gelmer Geovany"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1911"]
[BlackElo "2085"]
[PlyCount "85"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Arauca"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. e5 dxe5 12. fxe5 Nfd7 13. Ne4 Qxa2 14. Rd1 Qd5 15. Qe3 Qxe5 16. Bg3 Qa5+ 17. c3 Nc6 18. Nxc6 bxc6 19. Nd6+ Bxd6 20. Bxd6 Qb6 21. Qg3 g5 22. h4 g4 23. Be2 Bb7 24. Rf1 f5 25. Qd3 0-0-0 26. Rb1 Nc5 27. Qc2 Qa5 28. Bxc5 Qxc5 29. Qb3 Rh7 30. Qxe6+ Kb8 31. Rxf5 Qxc3+ 32. Kf1 Rhd7 33. Rf7 Qd4 34. Bxa6 g3 35. Rf6 Qd1+ 36. Rxd1 Rxd1+ 37. Ke2 Bxa6+ 38. Kf3 R8d3+ 39. Kg4 Bc8 40. Rf8 Rd8 41. Kf3 R8d3+ 42. Kf4 Rd8 43. Kf3 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.20"]
[Round "3.3"]
[White "Gonzalez Delgado, Hugo Andres"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1960"]
[BlackElo "2085"]
[PlyCount "103"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Santander"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. Nh3 Nf6 7. 0-0 b4 8. Nb1 d5 9. Nd2 Be7 10. e5 Nfd7 11. Qg4 g6 12. Nf3 Nc6 13. Re1 Qc7 14. Bh6 Ndxe5 15. Nxe5 Nxe5 16. Qf4 Bd6 17. Qf6 Rg8 18. Bf4 Ng4 19. Qg5 h5 20. Bxd6 Qxd6 21. f3 f6 22. Qh4 Nh6 23. Qxf6 Kd7 24. Nf4 Rae8 25. Nxg6 Nf5 26. c3 d4 27. cxb4 cxb4 28. Rac1 Rxg6 29. Qxg6 h4 30. Kf2 Re7 31. Qg5 hxg3+ 32. hxg3 Rg7 33. Qf4 Qb6 34. g4 Ne3 35. Rxe3 dxe3+ 36. Qxe3 Qd6 37. d4 Bd5 38. b3 Rf7 39. Qe5 Qb6 40. Rc5 Qb7 41. Qe3 Qb8 42. Qe5 Qb7 43. Qh5 Ke7 44. g5 Qb8 45. g6 Rg7 46. Qh4+ Kd7 47. Bh3 Qh2+ 48. Ke3 Qg1+ 49. Kd2 Qh2+ 50. Kd3 Qd6 51. Qf6 Qe7 52. Rxd5+ 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "2.2"]
[White "Bolanos Lopez, Juan Jacobo"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1958"]
[BlackElo "2085"]
[PlyCount "61"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Cauca"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 Ngf6 5. Nc3 e6 6. d4 cxd4 7. Nxd4 Be7 8. 0-0 0-0 9. Ba4 Qc7 10. Qe2 a6 11. f4 Nb6 12. Bb3 Bd7 13. g4 e5 14. Nf5 Bxf5 15. exf5 Nfd7 16. g5 exf4 17. Bxf4 Rfe8 18. g6 Nc5 19. Qh5 hxg6 20. fxg6 fxg6 21. Nd5 Qd8 22. Qxg6 Bf6 23. Bc2 Nxd5 24. Bh6 Nf4 25. Rxf4 Ne6 26. Rxf6 Qxf6 27. Qh7+ Kf8 28. Rf1 Qxf1+ 29. Kxf1 gxh6 30. Bg6 Ng5 31. Qxh6+ 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "1.2"]
[White "Obando Guzman, Soren Federico"]
[Black "Figueroa Navarro, Juan Jose"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2085"]
[BlackElo "1960"]
[PlyCount "62"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Narino"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 dxc4 6. Bxc4 e6 7. 0-0 Nbd7 8. Qe2 Be7 9. h3 Nb6 10. Bb3 0-0 11. e4 Bg6 12. Rd1 Bb4 13. Bc2 Qc7 14. Ne5 Nfd7 15. Nxg6 hxg6 16. Bg5 e5 17. a3 exd4 18. axb4 dxc3 19. bxc3 Qe5 20. Bd2 Qe6 21. Be3 Rfc8 22. f4 c5 23. b5 Nf6 24. Qf3 Qc4 25. e5 Nfd5 26. Bd2 Qxb5 27. f5 Qe8 28. fxg6 fxg6 29. Qg4 Rc6 30. c4 Nb4 31. Bxb4 cxb4 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Obando Guzman, Soren Federico"]
[Black "Palomino Escobar, Daniel Fernando"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2038"]
[BlackElo "1865"]
[PlyCount "51"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 0-0 6. Bg2 c6 7. 0-0 Nbd7 8. a4 b6 9. a5 Ba6 10. cxd5 exd5 11. Qc2 Bb4 12. Na2 Qe7 13. Ne5 Bxa5 14. b4 Bxb4 15. Nxb4 Nxe5 16. dxe5 Qxe5 17. Rxa6 c5 18. Bb2 d4 19. Nd3 Qe7 20. Rfa1 Rae8 21. Bf3 Rc8 22. Rxa7 Qd6 23. Qc4 Nd7 24. Bg4 Rc7 25. Rxc7 Qxc7 26. Bxd4 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "10"]
[White "Panesso Rivera, Henry"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2360"]
[BlackElo "2038"]
[PlyCount "125"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[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. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Be2 Ngf6 7. 0-0 e6 8. c4 Be7 9. Nc3 b6 10. Rd1 Bb7 11. Qe3 Qc7 12. h3 Rc8 13. Bd2 0-0 14. b4 Ne5 15. Nxe5 dxe5 16. a3 Rfd8 17. Be1 Rxd1 18. Rxd1 Rd8 19. Rxd8+ Qxd8 20. f3 Bc6 21. Bf2 Nd7 22. Qd2 Qc7 23. Be3 a5 24. Qb2 axb4 25. axb4 Qa7 26. Bd1 Qc7 27. Na2 Qd6 28. Qd2 Qc7 29. Bb3 h6 30. Qc2 Qa7 31. Kh2 Qa3 32. Bc1 Qa7 33. Qd3 Qc7 34. Qc2 Nb8 35. Be3 Nd7 36. Ba4 Nb8 37. Bb3 Bb7 38. Qf2 Nd7 39. Kh1 Kh8 40. Ba4 Bc6 41. Bxc6 Qxc6 42. Qc2 Kg8 43. Qb3 Qd6 44. Kh2 Qc6 45. Nc1 Bd6 46. Nd3 Bc7 47. c5 Qb5 48. Qc3 bxc5 49. Nxc5 Nxc5 50. Qxc5 Qb8 51. b5 Bd6 52. Qc6 Qc7 53. Qxc7 Bxc7 54. Bc5 f5 55. Kg3 Kf7 56. Kf2 Ke8 57. Ke2 g6 58. Kd3 Kd7 59. Kc4 h5 60. b6 Bb8 61. Kb5 g5 62. g4 hxg4 63. hxg4 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "7"]
[White "Obando Guzman, Soren Federico"]
[Black "Paredes Lagos, Anthony Javier"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2038"]
[BlackElo "2362"]
[PlyCount "76"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. b3 d5 4. c4 d4 5. Bg2 e5 6. d3 Bd6 7. 0-0 Nge7 8. e3 0-0 9. Re1 a5 10. Na3 h6 11. exd4 cxd4 12. Nb5 Bb4 13. Re2 Ng6 14. a3 Be7 15. Rc2 Bg4 16. h3 Be6 17. Rb1 Qd7 18. Kh2 f5 19. Nd2 Rad8 20. Qh1 e4 21. dxe4 d3 22. Ra2 f4 23. g4 Nge5 24. Nf3 Bxg4 25. Nbd4 Nxf3+ 26. Nxf3 Be6 27. Rd2 a4 28. bxa4 Bxc4 29. Bb2 Qe6 30. Bc3 Rd7 31. Qc1 Ra8 32. Qb2 Ra7 33. a5 Rxa5 34. Ra1 Ra4 35. h4 Qf7 36. Bh3 Bf8 37. e5 Re7 38. Kg2 Qh5 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "8"]
[White "Rios Parra, Alejandro"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "B61"]
[WhiteElo "2185"]
[BlackElo "2038"]
[PlyCount "61"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[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 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. 0-0-0 Nxd4 9. Qxd4 Qa5 10. Bd2 a6 11. f3 Qc5 12. Qxc5 Rxc5 13. Be3 Rc7 14. Bd4 e5 15. Be3 h6 16. g4 Be6 17. h4 Be7 18. Bd3 g6 19. Kb1 h5 20. g5 Nd7 21. Be2 0-0 22. Nd5 Bxd5 23. Rxd5 f6 24. gxf6 Nxf6 25. Rd2 Ne8 26. Bd1 Kh7 27. Rg2 Bd8 28. c3 Rcf7 29. Rh3 Nc7 30. Rgg3 Ne6 31. Bb3 1/2-1/2

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Cordoba Roa, Angel Gabriel"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B61"]
[WhiteElo "2285"]
[BlackElo "2038"]
[PlyCount "85"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[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 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. f4 Nxd4 9. Qxd4 Qa5 10. e5 dxe5 11. fxe5 e6 12. 0-0-0 Bc6 13. Bb5 Nd5 14. Bxc6+ bxc6 15. Bd2 Qb6 16. Qc4 Ne3 17. Bxe3 Qxe3+ 18. Kb1 Qxe5 19. Rhe1 Qc7 20. Ne2 Be7 21. Nf4 Rd8 22. Rxd8+ Bxd8 23. Nh5 0-0 24. Qd4 f6 25. Qc4 Qxh2 26. Nf4 Kh8 27. Nxe6 Rg8 28. Qxc6 Ba5 29. Rd1 Qe5 30. Qd5 Qe2 31. Nf4 Qg4 32. Rd4 Bb6 33. Re4 Qg3 34. a3 Bc7 35. Ne6 Bb6 36. Nf4 Bc7 37. Ne6 Bb6 38. Rc4 Qe1+ 39. Ka2 Qe2 40. Nf4 Qg4 41. Qf7 Rb8 42. Re4 Qc8 43. Ng6+ 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Chirivi Castiblanco, Jenny Astrid"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "E39"]
[WhiteElo "2173"]
[BlackElo "2038"]
[PlyCount "107"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[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 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 0-0 6. a3 Bxc5 7. b4 Be7 8. Bb2 a5 9. b5 b6 10. Nf3 Bb7 11. e4 d6 12. Be2 Nbd7 13. 0-0 Qc7 14. Rac1 Rac8 15. Nd2 Ne5 16. Qb1 Rfd8 17. Na4 Nfd7 18. Nb3 Qb8 19. f4 Ng6 20. g3 Ba8 21. Qd3 Bf6 22. Bxf6 Nxf6 23. Bf3 Nd7 24. Qe3 Nc5 25. Nbxc5 dxc5 26. Rcd1 e5 27. f5 Nf8 28. Nc3 Rd4 29. Be2 Nd7 30. Nd5 Qd6 31. Rc1 Nf6 32. Bf3 Bxd5 33. exd5 e4 34. Be2 Re8 35. Rf4 Re7 36. Rcf1 Ne8 37. Rh4 Qf6 38. Rhf4 Nd6 39. Qc3 Re5 40. g4 h5 41. h3 Kf8 42. Kg2 Qg5 43. f6 g6 44. Qg3 h4 45. Qc3 Nf5 46. R1f2 e3 47. R2f3 Ng3 48. Rxg3 Rxf4 49. Rf3 Qxf6 50. d6 Rxf3 51. Bxf3 e2 52. Qe1 Qxd6 53. Bd5 Re3 54. Qf2 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "4"]
[White "Obando Guzman, Soren Federico"]
[Black "Garavito, Miguel Angel"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2038"]
[BlackElo "2280"]
[PlyCount "109"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. Nc3 e6 6. e4 Bb4 7. Bd3 c5 8. dxc5 d4 9. a3 Bxc5 10. Nb5 0-0 11. Bc7 Qd7 12. b4 Na6 13. Bg3 Bb6 14. Ne2 Nc7 15. Nexd4 Nxb5 16. Nxb5 a6 17. Nd6 Bd4 18. Rb1 Qc6 19. Ke2 e5 20. Nxc8 Raxc8 21. b5 Qc5 22. bxa6 bxa6 23. Rb3 Rfd8 24. Be1 Nh5 25. g3 Rc6 26. Bb4 Qa7 27. Qd2 Rh6 28. Qg5 f6 29. Qg4 Bg1 30. Be1 Kh8 31. Kf1 Be3 32. Ba5 f5 33. exf5 Rd4 34. Bb6 Rxb6 35. Qxh5 Rd8 36. Rxb6 Bxb6 37. Kg2 Qe7 38. Re1 h6 39. Qg6 Qf6 40. f4 Bd4 41. fxe5 Bxe5 42. Re4 a5 43. Rc4 Bb2 44. a4 Kg8 45. Rc6 Qe7 46. f6 Bxf6 47. Qh7+ Kf8 48. Qf5 Kg8 49. Re6 Qb7+ 50. Be4 Qd7 51. c4 Qd4 52. Bd5 Kh8 53. Qg6 Rf8 54. Re8 Qc5 55. Qf7 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Negron Lizarazo, Juan Sebastian"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1689"]
[BlackElo "2038"]
[PlyCount "64"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. Be3 b4 7. Nce2 d5 8. exd5 Bxd5 9. Nf4 Bxg2 10. Nxg2 Nc6 11. Nf3 Qb6 12. 0-0 Rd8 13. Qe2 Nf6 14. c3 Nd5 15. Bg5 Rd7 16. Nf4 h6 17. Nxd5 Rxd5 18. Bf4 Be7 19. Ne5 0-0 20. Ng6 Rfd8 21. Nxe7+ Nxe7 22. Rfd1 Qa5 23. Qc2 Ng6 24. Be3 Ne5 25. cxb4 Qxb4 26. a3 Qb5 27. a4 Qb7 28. Qe2 Nxd3 29. Rd2 Ne5 30. Rxd5 Qxd5 31. f4 Nf3+ 32. Kf2 Nxh2 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "9"]
[White "Obando Guzman, Soren Federico"]
[Black "Gonzalez Bolivar, Juan Jose"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2029"]
[BlackElo "1598"]
[PlyCount "67"]
[EventDate "2023.09.06"]
[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 Nf6 2. g3 e6 3. Bg2 Be7 4. 0-0 0-0 5. b3 d5 6. Bb2 c5 7. e3 Nc6 8. Qe2 b6 9. Rd1 Bb7 10. c4 Qc7 11. Nc3 Rad8 12. Rac1 dxc4 13. bxc4 Rd7 14. d4 Rfd8 15. d5 exd5 16. Bh3 d4 17. Nb5 d3 18. Rxd3 Qb8 19. Bxd7 Nb4 20. Rd2 Rxd7 21. Rxd7 Nxd7 22. Rd1 Nf6 23. Ne5 a6 24. Nd7 Nxd7 25. Rxd7 Bf8 26. Qh5 Qe8 27. Rxb7 axb5 28. cxb5 Qe6 29. Qe5 Qg6 30. Rb8 Nd3 31. Qe7 Qxg3+ 32. hxg3 h5 33. Qxf8+ Kh7 34. Qxg7# 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "8"]
[White "Rojas Barrero, Andres Humberto"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2135"]
[BlackElo "2029"]
[PlyCount "120"]
[EventDate "2023.09.06"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 e5 7. Nde2 Be6 8. Bg2 Be7 9. 0-0 0-0 10. Nd5 Bxd5 11. exd5 Nb8 12. c4 Nbd7 13. h3 a5 14. Be3 b6 15. b3 Re8 16. a3 Bf8 17. Qc2 g6 18. b4 Qc7 19. Qb3 Nh5 20. Kh2 f5 21. f4 exf4 22. Nxf4 Nxf4 23. Bxf4 Bg7 24. Rac1 axb4 25. axb4 Re2 26. Rc2 Rxc2 27. Qxc2 Ra3 28. Rf3 Ra1 29. Rf1 Ra3 30. Rf3 Rxf3 31. Bxf3 Be5 32. Bxe5 Nxe5 33. Be2 Qa7 34. Qb2 Kg7 35. Kg2 Qa8 36. Qd4 Qa2 37. Kf2 Qa7 38. Kg2 Kf7 39. Qh4 Kg7 40. Qd8 Nf7 41. Qh4 Qa1 42. Kf2 Qc3 43. b5 g5 44. Qh5 Qd4+ 45. Kg2 h6 46. Qf3 Kf6 47. Bd3 Qb2+ 48. Kf1 Qe5 49. Qf2 f4 50. Qxb6 fxg3 51. Kg2 Qe1 52. Qd4+ Ne5 53. b6 Qd2+ 54. Kxg3 h5 55. h4 Qe1+ 56. Kg2 Qd2+ 57. Kf1 Qd1+ 58. Kg2 Qd2+ 59. Kf1 Qd1+ 60. Kg2 Qd2+ 1/2-1/2

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.09"]
[Round "7"]
[White "Obando Guzman, Soren Federico"]
[Black "Beltran Serna, Ian Samuel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2029"]
[BlackElo "1517"]
[PlyCount "69"]
[EventDate "2023.09.06"]
[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. Nc3 Nf6 3. Bf4 Bf5 4. f3 e6 5. g4 Bg6 6. h4 h6 7. e3 Bd6 8. Nge2 c6 9. Qd2 Na6 10. a3 b5 11. Bxd6 Qxd6 12. Nf4 Nc7 13. 0-0-0 b4 14. axb4 Qxb4 15. Nxg6 fxg6 16. Bd3 Kf7 17. g5 Rhb8 18. Qh2 Nfe8 19. Qf4+ Ke7 20. gxh6 Qxb2+ 21. Kd2 Rb3 22. Ne2 Rxd3+ 23. Kxd3 Na6 24. Rc1 Nb4+ 25. Kd2 Nd6 26. hxg7 Na2 27. Rhd1 Nxc1 28. Rxc1 Qb4+ 29. c3 Nc4+ 30. Ke1 Qd6 31. Qg5+ Kf7 32. h5 e5 33. Rb1 Kxg7 34. Rb7+ Kg8 35. Qh6 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "5"]
[White "Obando Guzman, Soren Federico"]
[Black "Brizuela Abreu, Ronald Jesus"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2029"]
[BlackElo "2333"]
[PlyCount "88"]
[EventDate "2023.09.06"]
[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. g3 Nf6 3. Bg2 c5 4. c4 d4 5. 0-0 Nc6 6. e3 e6 7. d3 Bd6 8. exd4 cxd4 9. Bg5 h6 10. Bxf6 Qxf6 11. Nbd2 Qe7 12. Nb3 e5 13. Re1 Be6 14. c5 Bc7 15. Rc1 0-0 16. a3 Rfe8 17. Nfd2 f5 18. Nc4 Qf7 19. Nbd2 Rad8 20. b4 a6 21. Bxc6 bxc6 22. Nxe5 Bxe5 23. Rxe5 Bd5 24. Qe2 Rxe5 25. Qxe5 Re8 26. Qxd4 Qh5 27. Qh4 Qe2 28. Qf4 g5 29. Qxf5 Qxd2 30. Qg6+ Kf8 31. Qf6+ Bf7 32. Qh8+ Ke7 33. Qe5+ Be6 34. Re1 Kf7 35. Qe4 Kg7 36. Qe5+ Kg8 37. Re4 Qxd3 38. Re3 Qg6 39. Qb2 Bd5 40. Kf1 Rxe3 41. fxe3 Qd3+ 42. Kf2 Bc4 43. Qc1 Qe2+ 44. Kg1 Bd5 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "3"]
[White "Obando Guzman, Soren Federico"]
[Black "Carvajal, Henry"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2029"]
[BlackElo "1767"]
[PlyCount "98"]
[EventDate "2023.09.06"]
[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 Nf6 2. g3 d6 3. Bg2 e5 4. 0-0 Be7 5. c4 0-0 6. Nc3 Nc6 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 c6 10. Bf4 Qb6 11. Qd2 Be6 12. b3 Rad8 13. e4 Qc7 14. h3 Rd7 15. Rac1 Qa5 16. Rfd1 Rfd8 17. Be3 Bf8 18. f4 d5 19. cxd5 cxd5 20. Nxd5 Qxd2 21. Rxd2 Bxd5 22. exd5 Ba3 23. Rc4 b5 24. Rc6 Nxd5 25. Rxd5 Rxd5 26. Bxd5 Rxd5 27. Rc8+ Bf8 28. Bxa7 f6 29. Kf2 Kf7 30. Ke3 b4 31. Rc7+ Ke8 32. Bd4 Rh5 33. h4 Ra5 34. Ra7 Rb5 35. Kd3 Rb8 36. g4 Rc8 37. g5 Be7 38. f5 Rc1 39. Ra8+ Kf7 40. Rh8 Rd1+ 41. Ke4 Re1+ 42. Kd5 Rf1 43. gxf6 Bxf6 44. Bxf6 Kxf6 45. Rxh7 Rxf5+ 46. Kc4 Rf4+ 47. Kc5 Kg6 48. Rh8 Kf7 49. Rb8 Kf6 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "2"]
[White "Garcia Carey, Osmel"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2289"]
[BlackElo "2029"]
[PlyCount "89"]
[EventDate "2023.09.06"]
[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 d6 3. Bc4 Nf6 4. e5 dxe5 5. Nxe5 e6 6. Bb5+ Nbd7 7. b3 a6 8. Bxd7+ Nxd7 9. Nxd7 Bxd7 10. Qh5 g6 11. Qe5 f6 12. Qe3 Kf7 13. Bb2 Bc6 14. f3 e5 15. d3 b6 16. Nd2 h5 17. h4 Bh6 18. Qf2 Qe7 19. a4 Bd5 20. Nf1 b5 21. Ne3 Be6 22. axb5 axb5 23. 0-0 Qb7 24. Bc3 Rxa1 25. Rxa1 Ra8 26. Rxa8 Qxa8 27. Nf1 c4 28. dxc4 bxc4 29. b4 Qa3 30. Bd2 Bxd2 31. Qxd2 c3 32. Qd6 Qa7+ 33. Kh2 Qf2 34. Qc7+ Ke8 35. Ng3 Qxc2 36. Ne4 Qb3 37. b5 f5 38. b6 c2 39. b7 c1Q 40. Nd6+ Kf8 41. Qxc1 Qb4 42. Qh6+ Ke7 43. Qg7+ Kd8 44. Qf8+ Kd7 45. b8N+ 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "1"]
[White "Obando Guzman, Soren Federico"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2029"]
[BlackElo "1722"]
[PlyCount "79"]
[EventDate "2023.09.06"]
[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 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. b3 d5 7. Bb2 dxc4 8. bxc4 Qa5 9. d3 Qh5 10. h4 Bg4 11. Qb3 Nbd7 12. Nbd2 e5 13. Rab1 Rab8 14. Qa3 a6 15. Bc3 Rfe8 16. Bb4 Bf8 17. Bxf8 Nxf8 18. Qd6 Qf5 19. e4 Qe6 20. Qa3 Qe7 21. c5 Ne6 22. Nxe5 Qxc5 23. Qxc5 Nxc5 24. d4 Rbd8 25. Nxg4 Nxg4 26. Nf3 Nxe4 27. Rxb7 Nc3 28. Ng5 Ne2+ 29. Kh1 Nxd4 30. Nxf7 Rb8 31. Rd7 Nf5 32. Bf3 Nf6 33. Ra7 Ne4 34. Bxe4 Rxe4 35. Ng5 Ra4 36. Nxh7 Rb2 37. Nf6+ Kf8 38. Re1 Nd6 39. Nd7+ Kg8 40. Re7 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.07"]
[Round "8"]
[White "Obando Guzman, Soren Federico"]
[Black "Crispin Ferreras, Darvi Abraham"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2038"]
[BlackElo "2131"]
[PlyCount "64"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[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 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 dxc4 8. Qa4 Bd7 9. Qxc4 Bc6 10. Rd1 a6 11. Bg5 Nbd7 12. Nc3 h6 13. Bxf6 Nxf6 14. Rac1 Qd6 15. Qd3 Qb4 16. Qc2 Rac8 17. e4 Rfd8 18. Qe2 Bf8 19. Ne5 Be8 20. a3 Qe7 21. Nc4 b5 22. Na5 c5 23. e5 Nh7 24. d5 exd5 25. Nxd5 Qa7 26. h4 c4 27. Bh3 Bd7 28. Bxd7 Rxd7 29. e6 Re8 30. exf7+ Rxf7 31. Qc2 Rxf2 32. Nc6 Rxc2+ 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.07"]
[Round "9"]
[White "Pinillo Canon, Silvana"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1806"]
[BlackElo "2038"]
[PlyCount "70"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. 0-0 e5 8. Qd3 h6 9. Nc3 Nf6 10. a4 Be7 11. h3 0-0 12. Be3 b5 13. Rfd1 Bc6 14. Qe2 Qb8 15. Nd5 Nxd5 16. exd5 Bd7 17. a5 Qb7 18. Bd2 b4 19. Qe4 Rab8 20. c3 f5 21. Qe2 Qxd5 22. cxb4 Bb5 23. Qe1 Qb7 24. Ra3 Bf6 25. Bc1 Rbd8 26. Kh2 Rfe8 27. Rc3 d5 28. Rc5 Qb8 29. Kg1 d4 30. Nd2 Qd6 31. f3 Qe6 32. b3 e4 33. fxe4 fxe4 34. Nc4 e3 35. Qe2 d3 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.06"]
[Round "7"]
[White "Hernandez, Elvert"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1895"]
[BlackElo "2038"]
[PlyCount "81"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 Nbd7 10. g4 b5 11. g5 b4 12. Ne2 Nh5 13. Ng3 Nf4 14. h4 0-0 15. 0-0-0 a5 16. Nf5 Bxf5 17. exf5 Qc7 18. Bxf4 exf4 19. Qxf4 Rfc8 20. Nd4 a4 21. Kb1 a3 22. b3 Qc3 23. Qc1 Nb6 24. Rd3 Qc5 25. Bh3 Rc7 26. c4 bxc3 27. Nc2 Nc4 28. Qf4 Nd2+ 29. Ka1 Qf2 30. Qh2 Qxh4 31. f4 d5 32. Bg2 Qxh2 33. Rxh2 Rd8 34. Rdh3 h6 35. gxh6 gxh6 36. Rxh6 Bf8 37. Rh8+ Kg7 38. R2h6 Be7 39. Nd4 Bf8 40. R8h7+ Kg8 41. Nc2 1/2-1/2

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.06"]
[Round "6"]
[White "Obando Guzman, Soren Federico"]
[Black "Palencia Morales, Wilson Guillermo"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2038"]
[BlackElo "2283"]
[PlyCount "66"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. 0-0 c5 7. b3 b5 8. Be2 Bb7 9. a4 b4 10. Bb2 Nbd7 11. Nbd2 Be7 12. Nc4 0-0 13. Nfe5 cxd4 14. Bxd4 Nc5 15. Rc1 Rc8 16. Qc2 Nd5 17. Rfd1 f6 18. Nd3 Ne4 19. Bf3 Ng5 20. Bg4 Qe8 21. Nf4 Qc6 22. Nxd5 exd5 23. Bxc8 Rxc8 24. Na5 Qxc2 25. Rxc2 Rxc2 26. Nxb7 Ne4 27. f3 Nc3 28. Rd3 Ne2+ 29. Kf1 Nc1 30. Rd1 Nxb3 31. Bb6 Nd2+ 32. Ke1 b3 33. Ba5 Nc4 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "5"]
[White "Guarin Fonseca, Nobel Alfredo"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1787"]
[BlackElo "2038"]
[PlyCount "70"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. g3 b6 4. Bg2 Bb7 5. 0-0 d6 6. Re1 Nd7 7. e4 e5 8. dxe5 dxe5 9. Bg5 f6 10. Bc1 Nh6 11. Nc3 0-0 12. b4 Nf7 13. a4 Nd6 14. Nd5 c6 15. Nc3 Qc7 16. Ba3 Nc4 17. Bh3 Nxa3 18. Bxd7 Rad8 19. Be6+ Kh8 20. Qc1 Qe7 21. Bb3 Qxb4 22. Qxa3 Qxc3 23. Re3 Qa5 24. g4 Bc8 25. g5 f5 26. exf5 Bxf5 27. Rae1 e4 28. Nh4 Bg4 29. Ng2 Qxg5 30. Qc1 Bd4 31. Rxe4 Bxf2+ 32. Kh1 Qxc1 33. Rxc1 Bf3 34. Re6 Bc5 35. Rf1 Bxg2+ 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "4"]
[White "Obando Guzman, Soren Federico"]
[Black "Jaimes, Fredy Alexander"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2038"]
[BlackElo "1834"]
[PlyCount "31"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. b3 e6 6. Bb2 Be7 7. e3 0-0 8. Qe2 Qc7 9. c4 Rd8 10. Nc3 a6 11. Rac1 d4 12. exd4 cxd4 13. Na4 d3 14. Qe3 Rb8 15. c5 Nb4 16. Be5 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.04"]
[Round "3"]
[White "Baules Rodriguez, Jorge Luis"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2290"]
[BlackElo "2038"]
[PlyCount "95"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Nbd7 9. f4 exf4 10. Bxf4 Ne5 11. 0-0-0 Be7 12. Nd4 Rc8 13. Nf5 Bxf5 14. exf5 0-0 15. Kb1 b5 16. g4 b4 17. Nd5 Nxd5 18. Qxd5 Qc7 19. Rd2 Nc4 20. Bxc4 Qxc4 21. Bxd6 Bxd6 22. Qxd6 Qxg4 23. f6 g6 24. Rhd1 h5 25. Qxa6 Ra8 26. Qe2 Qf5 27. Qc4 Qxf6 28. Rd6 Qf5 29. Qxb4 Rfb8 30. Qc4 Rc8 31. Qd3 Qe5 32. Qd5 Qg7 33. Rg1 Kh7 34. Rd7 Rf8 35. Rf1 Rae8 36. a4 Kg8 37. a5 Re5 38. Qd2 Rb5 39. b3 Qe5 40. b4 Rxa5 41. Qd4 Qb8 42. Rfxf7 Rxf7 43. Rd8+ Rf8 44. Rxb8 Rxb8 45. Qc4+ Kh8 46. Qc3+ Kg8 47. Qb3+ Kf8 48. bxa5 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.04"]
[Round "2"]
[White "Obando Guzman, Soren Federico"]
[Black "Cuervo Velasquez, Juan Manuel"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2038"]
[BlackElo "1750"]
[PlyCount "77"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. Bg2 e5 6. c4 c6 7. 0-0 e4 8. Ng5 d5 9. d3 h6 10. Nh3 0-0 11. Nc3 exd3 12. exd3 Bg4 13. f3 Bf5 14. g4 Bd7 15. Nf4 dxc4 16. dxc4 Qc7 17. Nd3 a5 18. Na4 b6 19. Be5 Qb7 20. Qd2 Rd8 21. Qb2 Ne8 22. c5 b5 23. Nb6 Ra7 24. Bxg7 Nxg7 25. Qf6 Qc7 26. Ne5 Be6 27. Rad1 Rf8 28. f4 Ne8 29. Qh4 Kg7 30. Qg3 f6 31. Nf3 Bf7 32. Rfe1 Kh7 33. Nd4 Ng7 34. Qf2 Rd8 35. f5 g5 36. Ne6 Bxe6 37. fxe6 Rxd1 38. Rxd1 Ra6 39. Qxf6 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.23"]
[Round "6"]
[White "Obando Guzman, Soren Federico"]
[Black "Triana Castro, Francisco Javier"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2065"]
[BlackElo "1564"]
[PlyCount "57"]
[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. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. c4 c6 5. b3 Bg7 6. Bb2 Nbd7 7. 0-0 0-0 8. d4 e6 9. Nbd2 b6 10. Qc2 c5 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Rb8 14. Rad1 Bb7 15. Qe2 Bxf3 16. Bxf3 Bxd4 17. Bxd4 cxd4 18. Rxd4 Qc7 19. Rfd1 Nc5 20. b4 e5 21. Rd5 e4 22. Bxe4 Nxe4 23. Qxe4 Rbc8 24. R1d4 Rfe8 25. Qf3 Re7 26. h4 Rce8 27. h5 Qc8 28. Kg2 Qe6 29. h6 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "4"]
[White "Obando Guzman, Soren Federico"]
[Black "Bernal Perdomo, Francisco Jose"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2065"]
[BlackElo "1732"]
[PlyCount "56"]
[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 c5 3. d5 e6 4. Nc3 d6 5. Nf3 exd5 6. cxd5 g6 7. Nd2 a6 8. a4 Nbd7 9. e4 Qe7 10. Be2 Bg7 11. 0-0 0-0 12. Re1 b6 13. Bf1 Rb8 14. Nc4 Ne5 15. Na3 Ne8 16. h3 g5 17. f4 gxf4 18. Bxf4 f5 19. Qd2 Qf7 20. exf5 Bxf5 21. Nc4 Nxc4 22. Bxc4 Bxh3 23. Rf1 Qg6 24. Kh1 Bg4 25. Bxa6 Nc7 26. Be2 Qh5+ 27. Kg1 Bd4+ 28. Be3 Bxc3 0-1

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "3"]
[White "Cuellar Canosa, Nicolas"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "1848"]
[BlackElo "2065"]
[PlyCount "124"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. a3 Be7 10. Bf2 Qc7 11. Qf3 b5 12. 0-0-0 Bb7 13. g4 d5 14. e5 Ne4 15. Nxe4 dxe4 16. Qe3 Nc6 17. Nxc6 Bxc6 18. Bg2 Rb8 19. Bxe4 0-0 20. Bxc6 Qxc6 21. Qb3 b4 22. a4 Qg2 23. Bg3 Rfc8 24. Rhg1 Qh3 25. Rd7 Bc5 26. Rgd1 Qxg4 27. Qd3 b3 28. c3 h5 29. f5 h4 30. Be1 Qxa4 31. fxe6 fxe6 32. Bd2 Qg4 33. Bh6 Bf8 34. Rf1 Qg2 35. Rxf8+ Rxf8 36. Rxg7+ Qxg7 37. Bxg7 Rbd8 38. Qxa6 Kxg7 39. Qb7+ Kg6 40. Qe4+ Rf5 41. Qc4 Rxe5 42. Qxh4 Rdd5 43. c4 Rd3 44. Qg4+ Kf7 45. Qh4 Rf5 46. Qh7+ Kf8 47. Qh8+ Ke7 48. Qg7+ Kd6 49. Qg1 Rc5 50. Qg4 Rf5 51. Qg1 Kc6 52. Qe1 Kc5 53. Qe2 Rdf3 54. Qxe6 Rf1+ 55. Kd2 R5f2+ 56. Kc3 Rc1+ 57. Kxb3 Rf3+ 58. Ka2 Rxc4 59. Qe5+ Kb6 60. Qb8+ Kc5 61. Qc8+ Kd4 62. Qg4+ Ke5 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "2"]
[White "Obando Guzman, Soren Federico"]
[Black "Luna Velandia, Juan Sebastian"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2065"]
[BlackElo "1694"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c4 c6 7. Nc3 Bf5 8. Qb3 Qb6 9. Ne5 Rd8 10. cxd5 Qxb3 11. axb3 cxd5 12. Nb5 Na6 13. Bg5 h6 14. Bd2 e6 15. Rfc1 Nd7 16. Ba5 Nxe5 17. Bxd8 Nc6 18. Ba5 Bxd4 19. Rxc6 Bxb2 20. Rcc1 Bxa1 21. Rxa1 Nc5 22. Bb6 Nxb3 23. Rxa7 Rxa7 24. Bxa7 Bc2 25. Nd6 Na5 26. Bb6 Nc4 27. Nxc4 dxc4 28. Bxb7 Kf8 29. Kf1 Ke7 30. Ke1 Kd6 31. Kd2 Ba4 32. Kc3 Bc2 33. Kd2 Ba4 34. Kc3 Bd1 35. e4 Be2 36. Bd4 e5 37. Be3 h5 38. Bd5 f5 39. Bxc4 Bf3 40. exf5 gxf5 41. Kd2 Bg4 42. Be2 Kd5 43. h4 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.20"]
[Round "1"]
[White "Largo Chaparro, Sofia Alejandra"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1395"]
[BlackElo "2065"]
[PlyCount "40"]
[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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 Nf6 7. Be2 d6 8. Be3 Bd7 9. Qd2 a6 10. f3 Be7 11. 0-0-0 0-0 12. g4 Rfc8 13. g5 Ne8 14. h4 b5 15. Nxc6 Bxc6 16. Na2 a5 17. Qc3 Qb7 18. Qb3 d5 19. e5 b4 20. axb4 axb4 0-1

[Event "Pasto Futuros Maestros-A"]
[Site "Pasto"]
[Date "2023.01.15"]
[Round "5"]
[White "Finley Rosero, Karol Valentina"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1705"]
[BlackElo "2070"]
[PlyCount "48"]
[EventDate "2023.01.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Nxc6 bxc6 7. Bg5 f6 8. Bd2 Rb8 9. Bc4 Bd6 10. Qe2 Ne7 11. g3 0-0 12. 0-0 f5 13. Bg5 Ng6 14. exf5 Rxf5 15. Be3 Ne5 16. Ne4 Nxc4 17. Qxc4 Rb4 18. Nxd6 Rxc4 19. Nxc4 Ba6 20. Bf4 e5 21. Ne3 Rf8 22. Bg5 Bxf1 23. Rxf1 d5 24. f4 h6 0-1

[Event "Pasto Futuros Maestros-A"]
[Site "Pasto"]
[Date "2023.01.15"]
[Round "7"]
[White "Obando Guzman, Soren Federico"]
[Black "Benavides, Christian Camilo"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2070"]
[BlackElo "1893"]
[PlyCount "45"]
[EventDate "2023.01.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 c5 5. c4 Be7 6. b3 0-0 7. Bb2 Nc6 8. e3 b6 9. Nc3 Bb7 10. Qe2 a6 11. Rfd1 Qc7 12. cxd5 exd5 13. d4 Rad8 14. Rac1 cxd4 15. Nxd4 Nxd4 16. Rxd4 Qb8 17. Qd1 Qa8 18. Na4 Qa7 19. Rd3 Ne4 20. Qg4 Nf6 21. Qd4 Rd6 22. Ba3 Rfd8 23. Nxb6 1-0

[Event "Pasto Futuros Maestros-A"]
[Site "Pasto"]
[Date "2023.01.15"]
[Round "6"]
[White "Ortega Moran, Helmer Andres"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1739"]
[BlackElo "2070"]
[PlyCount "92"]
[EventDate "2023.01.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Be2 0-0 10. Qd2 Qc7 11. 0-0 Nbd7 12. Rad1 Rac8 13. Kh1 Nb6 14. Bg5 Rfd8 15. f4 d5 16. fxe5 Nxe4 17. Nxe4 dxe4 18. Qe3 Nd5 19. Qg3 Bxg5 20. Qxg5 h6 21. Qg3 Qxc2 22. Rd2 Qc7 23. Nd4 Qe7 24. Nxe6 fxe6 25. Bh5 e3 26. Re2 Rf8 27. Rxf8+ Qxf8 28. Bf3 Qf4 29. Qe1 Qxe5 30. Bxd5 exd5 31. Rxe3 Qxb2 32. Re8+ Rxe8 33. Qxe8+ Kh7 34. h3 Qc1+ 35. Kh2 Qf4+ 36. Kh1 d4 37. Qe1 d3 38. g3 Qf3+ 39. Kg1 Qe2 40. Qxe2 dxe2 41. Kf2 Kg6 42. Kxe2 Kf5 43. a4 b5 44. axb5 axb5 45. Kd3 Ke5 46. h4 h5 0-1

[Event "Pasto Futuros Maestros-A"]
[Site "Pasto"]
[Date "2023.01.14"]
[Round "3"]
[White "Barreiro Jurado, Frank"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1992"]
[BlackElo "2070"]
[PlyCount "115"]
[EventDate "2023.01.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 Bg4 4. Bg2 Nbd7 5. 0-0 e6 6. c4 c6 7. Nc3 Be7 8. Qb3 Qb6 9. c5 Qa6 10. Re1 Bxf3 11. Bxf3 b6 12. cxb6 axb6 13. e4 dxe4 14. Nxe4 Nd5 15. Bg5 Bxg5 16. Nxg5 N7f6 17. Qc2 Rc8 18. Nxe6 fxe6 19. Rxe6+ Kf7 20. Rxc6 Rxc6 21. Qxc6 Rd8 22. a4 Qc8 23. Qb5 Qd7 24. Qb3 Ra8 25. Qc4 Ra5 26. b4 b5 27. Qc5 Rxa4 28. Re1 Nxb4 29. Be2 Na6 30. Qxb5 Qxd4 31. Qb7+ Kg6 32. Bxa6 Rb4 33. Qf3 h5 34. Bd3+ Kf7 35. Rc1 Qd6 36. Qf5 Rb8 37. Qg6+ Kf8 38. Bc4 Qc7 39. Rc2 Rb1+ 40. Kg2 Qb7+ 41. f3 Qa7 42. Ra2 Rg1+ 43. Kh3 Qd7+ 44. Kh4 Qd4+ 45. g4 Qxc4 46. Ra8+ Ke7 47. Qxg7+ Ke6 48. Re8+ Kd5 49. Qf7+ Kd4 50. Qxf6+ Kd3 51. Rd8+ Ke2 52. Qe5+ Kxf3 53. Rf8+ Kg2 54. Qg3+ Kh1 55. Qf3+ Rg2 56. Rf4 Qg8 57. Rd4 hxg4 58. Qxg2+ 1/2-1/2

[Event "Pasto Futuros Maestros-A"]
[Site "Pasto"]
[Date "2023.01.14"]
[Round "2"]
[White "Obando Guzman, Soren Federico"]
[Black "Cajamarca Gordillo, Sebastian Alejandro"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2070"]
[BlackElo "1527"]
[PlyCount "87"]
[EventDate "2023.01.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. Qc2 b6 8. 0-0 Bb7 9. Rd1 Nbd7 10. Bf4 Rc8 11. Nc3 c6 12. Ne5 Nh5 13. Be3 Bd6 14. f4 f6 15. Nxd7 Qxd7 16. Qa4 Qc7 17. Rac1 Qb8 18. f5 Rfe8 19. fxe6 Rxe6 20. Bf2 Rd8 21. cxd5 cxd5 22. Qb3 Qa8 23. Nxd5 Kh8 24. Nxb6 axb6 25. Bxb7 Qxb7 26. Qxe6 f5 27. Qxf5 Nf6 28. d5 Rf8 29. Rc6 Bc5 30. Bxc5 bxc5 31. b3 Qa7 32. Rc8 c4+ 33. Kh1 Qe7 34. Rxf8+ Qxf8 35. bxc4 Qe7 36. Qc8+ Ng8 37. Qe6 Qb7 38. Rf1 Qb4 39. d6 Qb7+ 40. Qd5 Qb8 41. d7 Qd8 42. c5 Ne7 43. Rf8+ Qxf8 44. d8Q 1-0

[Event "Pasto Futuros Maestros-A"]
[Site "Pasto"]
[Date "2023.01.14"]
[Round "4"]
[White "Obando Guzman, Soren Federico"]
[Black "Palacios Gordillo, Camila Estefania"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2070"]
[BlackElo "1789"]
[PlyCount "81"]
[EventDate "2023.01.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. b3 b6 9. Qc2 Nbd7 10. Bc3 Ba6 11. Nbd2 Rc8 12. Rfd1 c5 13. Rac1 Qc7 14. Qb1 Rfe8 15. Bb2 Qb8 16. e4 cxd4 17. exd5 exd5 18. Nxd4 dxc4 19. Nc6 Qc7 20. Nxe7+ Rxe7 21. Nxc4 Bxc4 22. Rxc4 Qb8 23. Rh4 Rce8 24. Bc6 Qc7 25. Bxf6 Nxf6 26. Bxe8 Rxe8 27. Qf5 Qb7 28. Rhd4 Qa8 29. Qd3 Kf8 30. Rd8 Qxd8 31. Qxd8 Rxd8 32. Rxd8+ Ke7 33. Rb8 Nd7 34. Rb7 a5 35. f4 Kd8 36. Kf2 Kc8 37. Ra7 Kd8 38. Ke3 Ke7 39. Kd4 Kd6 40. Ra8 h5 41. Kc4 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.30"]
[Round "8"]
[White "Dominguez Rincon, Miller Duvan"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1991"]
[BlackElo "2070"]
[PlyCount "80"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 e5 8. Qd3 b5 9. Na3 Qb8 10. 0-0 h6 11. Rd1 Nf6 12. cxb5 axb5 13. Nc2 Qb7 14. Re1 Be7 15. Nb4 0-0 16. Nd2 Rfc8 17. b3 Be6 18. Bb2 Rc5 19. Nf1 Rac8 20. Rad1 Qa8 21. Qb1 Bf8 22. f3 Qa5 23. Nd3 R5c7 24. Re2 g6 25. Ne3 Nd7 26. Kh1 h5 27. f4 f6 28. Rf1 Bf7 29. h4 b4 30. f5 g5 31. hxg5 fxg5 32. f6 Nc5 33. Nxc5 Rxc5 34. Qe1 Qxa2 35. Qg3 Qxb3 36. Qxg5+ Kh7 37. Nf5 Rc2 38. Re3 Bg6 39. Rxb3 Bf7 40. Re3 Bg6 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "7"]
[White "Obando Guzman, Soren Federico"]
[Black "Mena Cordoba, Yamil Octavio"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2070"]
[BlackElo "1866"]
[PlyCount "175"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nd7 3. c4 Ngf6 4. Nc3 e5 5. d5 Be7 6. e4 0-0 7. Be2 Re8 8. h3 Nf8 9. Be3 Ng6 10. g3 a6 11. Nd2 c5 12. a3 Rf8 13. h4 Nh8 14. b4 b6 15. Rb1 Ne8 16. Bg4 Bxg4 17. Qxg4 Nf6 18. Qd1 Nd7 19. Nb3 f5 20. exf5 Rxf5 21. Ne4 Rf8 22. Qd2 Nf7 23. bxc5 bxc5 24. Na5 Nf6 25. Nxf6+ Bxf6 26. Nc6 Qd7 27. Qc2 Qg4 28. Kd2 Nh6 29. Bxh6 Bg5+ 30. Kc3 Bxh6 31. Kb2 Rf3 32. Rhe1 Raf8 33. Re2 g6 34. Ka2 Bg7 35. Rb8 Rxb8 36. Nxb8 Rc3 37. Qe4 Rxc4 38. Qxg4 Rxg4 39. Nxa6 Rd4 40. Nc7 e4 41. Kb3 c4+ 42. Kb4 c3+ 43. Kxc3 Rxd5+ 44. Kb4 Rd4+ 45. Kb5 d5 46. a4 Rd1 47. a5 d4 48. a6 Rb1+ 49. Kc6 Rc1+ 50. Kb7 Rb1+ 51. Kc8 d3 52. Ra2 Bd4 53. Ne6 Ba7 54. Ng5 Rb4 55. Kc7 h6 56. Ne6 Rb1 57. Kc6 Kf7 58. Kd5 Rb5+ 59. Kc4 Rb6 60. Nd4 Rb1 61. Nb5 Bb6 62. a7 Rc1+ 63. Kd5 Bxa7 64. Rxa7+ Kf6 65. Ra2 Rc2 66. Ra1 Rxf2 67. Kxe4 Rg2 68. Kf3 Rb2 69. Nd6 Ke6 70. Nc4 Rc2 71. Ra6+ Ke7 72. Ne3 d2 73. Ra3 Ke6 74. Rd3 Ra2 75. Nc4 Ra8 76. Rxd2 Rf8+ 77. Kg4 Rc8 78. Re2+ Kf6 79. Ne5 Rc7 80. Nf3 Rc4+ 81. Kh3 Kf5 82. Ra2 Rc5 83. Ra6 Rd5 84. g4+ Kf4 85. Rf6+ Ke3 86. Kg3 g5 87. Re6+ Kd3 88. h5 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "6"]
[White "Zapata Cuartas, Juan Carlos"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "1985"]
[BlackElo "2070"]
[PlyCount "139"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 c6 6. Bg2 d5 7. 0-0 Nbd7 8. Nbd2 Be7 9. Bb2 0-0 10. Re1 b5 11. c5 b4 12. a3 bxa3 13. Rxa3 Bb5 14. Qa1 Qb8 15. Bf1 Rd8 16. Bc3 Qb7 17. Qa2 Ne8 18. Ra1 a6 19. e3 Nc7 20. Ba5 Bxf1 21. Bxc7 Qxc7 22. Kxf1 Nb8 23. Ne1 e5 24. Nd3 exd4 25. exd4 Bf6 26. Nf3 Qc8 27. Kg2 Qf5 28. Qe2 g5 29. Re1 Ra7 30. Nfe5 Re7 31. Qg4 Qc8 32. Qh5 Rde8 33. Ng4 Bxd4 34. Qxg5+ Kf8 35. Rxe7 Rxe7 36. Nh6 Bg7 37. Nf5 f6 38. Nxe7 Qe8 39. Qe3 Qxe7 40. Qxe7+ Kxe7 41. Nb4 f5 42. Nxa6 Nd7 43. b4 d4 44. Rb3 Ne5 45. f4 Nc4 46. Kf2 Ke6 47. b5 cxb5 48. Rxb5 d3 49. Rb3 d2 50. Ke2 Kd5 51. Rd3+ Kc6 52. h3 h5 53. Rxd2 Nxd2 54. Kxd2 Bd4 55. Kd3 Bxc5 56. Nxc5 Kxc5 57. Ke3 Kd5 58. Kf3 Ke6 59. Ke2 Kd6 60. Kd2 Kc6 61. Ke3 Kd5 62. Kf3 Ke6 63. Kf2 Kd6 64. Ke1 Kd5 65. Kf1 Kd6 66. Kf2 Ke6 67. Kf3 Kf6 68. Ke3 Ke6 69. Kd4 Kd6 70. h4 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "4"]
[White "Hernandez Grajales, Andres"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1795"]
[BlackElo "2070"]
[PlyCount "21"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 8. Bg5 Be6 9. Qd2 Nbd7 10. g3 Rc8 11. Rc1 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "5"]
[White "Obando Guzman, Soren Federico"]
[Black "Ossa, Vladimir"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2070"]
[BlackElo "2005"]
[PlyCount "71"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. Nf3 Nf6 6. h3 0-0 7. e4 e6 8. Bd3 exd5 9. exd5 Re8+ 10. Be3 Na6 11. 0-0 Nc7 12. a4 Rb8 13. a5 b6 14. axb6 axb6 15. Ra7 Rb7 16. Ra2 b5 17. b3 b4 18. Ne2 Bd7 19. Bf4 Rb6 20. Nd2 Nfxd5 21. cxd5 Nxd5 22. Nc4 Rxe2 23. Nxb6 Qxb6 24. Bxe2 Nxf4 25. Ra8+ Bf8 26. Bf3 Ne6 27. Re1 Nc7 28. Rd8 Be6 29. Bg4 Nb5 30. Re8 Nc3 31. Qa1 Bd5 32. Bf3 Bxb3 33. Qa8 Kg7 34. Rxf8 Be6 35. Rxe6 fxe6 36. Rf4 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "2"]
[White "Cuellar Canosa, Nicolas"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1820"]
[BlackElo "2070"]
[PlyCount "59"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Qc7 7. Qd2 Nf6 8. 0-0-0 Be7 9. f3 0-0 10. g4 Rd8 11. g5 Ne8 12. h4 b5 13. Kb1 Bb7 14. Bd3 b4 15. Na4 d5 16. exd5 Nxd4 17. Bxd4 Rxd5 18. Qe3 Rxd4 19. Qxd4 Bxf3 20. Rhf1 Bc6 21. Nb6 Rb8 22. Nc4 Bd5 23. Ne3 Bb7 24. Qg4 Bc5 25. Rde1 Rd8 26. Bxh7+ Kxh7 27. Qh5+ Kg8 28. Rxf7 Qxf7 29. g6 Qf2 30. Rf1 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "3"]
[White "Obando Guzman, Soren Federico"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2070"]
[BlackElo "1890"]
[PlyCount "80"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. f3 Bb7 4. e4 e6 5. Nc3 d6 6. Bg5 Be7 7. Qd2 h6 8. Be3 Nbd7 9. Nge2 c5 10. d5 exd5 11. cxd5 a6 12. a4 Ne5 13. Ng3 Bc8 14. Be2 0-0 15. 0-0 Re8 16. h3 Bf8 17. f4 Ng6 18. Bc4 Bd7 19. Qd3 Qc8 20. Rae1 Qb7 21. Bc1 h5 22. Re2 h4 23. Nh1 Bxa4 24. Nxa4 b5 25. Bb3 c4 26. Bxc4 bxc4 27. Qxc4 Rac8 28. Qd3 Rxc1 29. Rxc1 Nxf4 30. Qf3 Nxe2+ 31. Qxe2 Rxe4 32. Qd1 Nxd5 33. Nf2 Re6 34. Qf3 Rf6 35. Qe2 Nf4 36. Qf1 Qb5 37. Nc3 Qxb2 38. Qe1 Rg6 39. Rb1 Rxg2+ 40. Kf1 Rxf2+ 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.26"]
[Round "1"]
[White "Obando Guzman, Soren Federico"]
[Black "Triana Castro, Francisco Javier"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2070"]
[BlackElo "1596"]
[PlyCount "95"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Bd3 Bb4+ 8. Nc3 Nbd7 9. 0-0 0-0 10. Bd2 dxc4 11. Bxc4 Re8 12. a3 Be7 13. Rfd1 Qb6 14. Qe2 Rad8 15. Be1 Nf8 16. b4 a6 17. Rab1 Rd7 18. a4 Bxb4 19. Na2 a5 20. Nxb4 axb4 21. Rxb4 Qa7 22. a5 Red8 23. Rdb1 Ng6 24. Qb2 Rb8 25. Rb6 Ne7 26. a6 Nfd5 27. Bxd5 Nxd5 28. Rxc6 b6 29. e4 Nf4 30. Rxb6 Rbd8 31. Bc3 h6 32. Qd2 Qc7 33. Ba5 Rxd4 34. Qe1 Qe7 35. g3 Nxh3+ 36. Kg2 Ng5 37. Rb7 Qf6 38. Qe3 Rxe4 39. Bxd8 Qf5 40. Bxg5 Rxe3 41. Bxe3 Qe4+ 42. Kg1 h5 43. a7 h4 44. Rb8+ Kh7 45. a8Q Qf5 46. Rh8+ Kg6 47. Rb4 hxg3 48. Qg2 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.22"]
[Round "9"]
[White "Chirivi Castiblanco, Jenny Astrid"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2146"]
[BlackElo "2041"]
[PlyCount "67"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 0-0 7. Nge2 e6 8. 0-0 exd5 9. cxd5 a6 10. a4 Nbd7 11. h3 h5 12. Bg5 Re8 13. Kh1 Qb6 14. a5 Qc7 15. f4 c4 16. Bc2 Nc5 17. Ng3 Nh7 18. Bh4 Bd7 19. e5 Nd3 20. Bxd3 cxd3 21. e6 fxe6 22. Qxd3 Nf8 23. Nge4 e5 24. fxe5 Bxe5 25. Nf6+ Bxf6 26. Bxf6 Bf5 27. Qg3 Kh7 28. Ra4 Qf7 29. Qxd6 Re3 30. Bg5 Rd3 31. Rc4 Qe8 32. Rc7+ Kg8 33. Re7 Rd8 34. Qf6 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.22"]
[Round "10"]
[White "Obando Guzman, Soren Federico"]
[Black "Lopez Padilla, Piero Raul"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2041"]
[BlackElo "1970"]
[PlyCount "49"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 b5 8. a4 b4 9. Ne5 Qxd4 10. Bxa8 Qxe5 11. Bf3 g5 12. Nd2 Ba6 13. Nxc4 Qc5 14. b3 Nd5 15. Bb2 Nc6 16. Rfd1 Nb6 17. Rac1 Nxc4 18. bxc4 Na5 19. Bd4 Qxc4 20. Qb1 Qb3 21. Rxc7 Bd8 22. Rxa7 Bc4 23. Bc5 Re8 24. Bxb4 Qxa4 25. Rxf7 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.21"]
[Round "7"]
[White "Gallego, Julian Andres"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2154"]
[BlackElo "2041"]
[PlyCount "69"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg5 Bg7 8. e3 a6 9. a4 Bg4 10. Qb3 Bxf3 11. gxf3 Qc7 12. Be2 Nbd7 13. f4 h6 14. Bh4 0-0 15. Bg3 Rfe8 16. Qc2 c4 17. a5 b5 18. axb6 Nxb6 19. Bf3 Nfd7 20. Kf1 Nc5 21. Kg2 Rab8 22. f5 g5 23. h4 Nbd7 24. hxg5 hxg5 25. Rh5 Bf6 26. Rah1 Ne5 27. Rh6 Qd8 28. Be2 Ned3 29. Bxd3 Nxd3 30. Qd1 Re5 31. Qh5 Kf8 32. Rxf6 Qxf6 33. Qh8+ Ke7 34. Qxb8 Rxf5 35. Ne4 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.21"]
[Round "8"]
[White "Obando Guzman, Soren Federico"]
[Black "Avila Fraire, Ameyalli"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2041"]
[BlackElo "1953"]
[PlyCount "115"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Qc2 Nbd7 7. Bg2 c6 8. 0-0 0-0 9. b3 b6 10. Bc3 Bb7 11. Nbd2 Rc8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qe2 c5 16. Rad1 Qc7 17. Rfe1 Ne4 18. Bb2 Bf6 19. dxc5 Qxc5 20. Nd4 Nd6 21. Nxe6 fxe6 22. Qxe6+ Kh8 23. Qxd6 Qxd6 24. Rxd6 Bxb2 25. Bxb7 Rc7 26. Bd5 Ba3 27. Rc6 Rxc6 28. Bxc6 Bc5 29. Re2 g6 30. Kg2 a5 31. f4 Kg7 32. Bd5 Rd8 33. Kf3 Rf8 34. Re6 Rf6 35. Re8 Bd6 36. Ke4 h5 37. Be6 Bc5 38. Ke5 Rf8 39. Rxf8 Bxf8 40. h3 Bb4 41. g4 Bc3+ 42. Kd5 Kf6 43. g5+ Kg7 44. Kc6 Bd4 45. f5 h4 46. a3 Bc5 47. b4 axb4 48. axb4 Bxb4 49. f6+ Kf8 50. Kxb6 Bd2 51. c5 Be3 52. Kb5 Bxg5 53. c6 Bf4 54. Kb6 g5 55. c7 Bxc7+ 56. Kxc7 g4 57. hxg4 h3 58. g5 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.20"]
[Round "6"]
[White "Obando Guzman, Soren Federico"]
[Black "Rios Parra, Alejandro"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2041"]
[BlackElo "2220"]
[PlyCount "115"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 c5 7. Nc3 Nc6 8. cxd5 Nxd5 9. Nxd5 exd5 10. dxc5 Bxc5 11. a3 a5 12. b3 Be6 13. Bb2 Qb6 14. Ng5 Rad8 15. Qc2 g6 16. Nxe6 fxe6 17. e3 Be7 18. Rad1 Bf6 19. h4 Ne5 20. Bd4 Qa6 21. e4 Nf3+ 22. Bxf3 Bxd4 23. Rxd4 Rxf3 24. Qd1 Rdf8 25. exd5 e5 26. Rd2 e4 27. Qe2 Qb6 28. Qxe4 Rxg3+ 29. Kh2 Rxb3 30. d6 Rbf3 31. Kg2 R3f7 32. f3 Qb5 33. Rb1 Qd7 34. Rd3 Rc8 35. Re1 b5 36. Qd5 Re8 37. Rc1 Rd8 38. Re3 Qf5 39. Re5 Qf6 40. Re7 Qf5 41. Re5 Qf6 42. Rc6 Kg7 43. h5 gxh5 44. Rxh5 b4 45. Rg5+ Kh8 46. axb4 Rg7 47. Rxg7 Qxg7+ 48. Kf2 Qb2+ 49. Ke3 Re8+ 50. Kd3 Qe2+ 51. Kd4 Qd2+ 52. Kc4 Qxb4+ 53. Kd3 Qa3+ 54. Rc3 Qb2 55. d7 Qe2+ 56. Kd4 Qf2+ 57. Kc4 Qa2+ 58. Kc5 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.20"]
[Round "5"]
[White "Obando Guzman, Soren Federico"]
[Black "Zuluaga Mancilla, Cesar"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2041"]
[BlackElo "2221"]
[PlyCount "86"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c5 6. d5 exd5 7. cxd5 d6 8. Nc3 Be7 9. Bg2 0-0 10. 0-0 b5 11. e4 b4 12. Ne2 Nbd7 13. Rd1 Re8 14. Nh4 g6 15. f4 Nxe4 16. Nxg6 hxg6 17. Bxe4 Bf8 18. Bf3 Bg7 19. Kg2 Nb6 20. Ng1 Bb5 21. Rb1 Bd7 22. g4 Qc8 23. h3 a5 24. Bd2 Qa6 25. b3 Bb5 26. Be1 c4 27. Bf2 cxb3 28. axb3 Rac8 29. Qa2 Rc3 30. Bd4 Bxd4 31. Rxd4 Nd7 32. Qd2 Nc5 33. f5 Rce3 34. fxg6 fxg6 35. Rf4 Bd3 36. Rb2 Qb6 37. Qf2 Qd8 38. Kh2 g5 39. Rf8+ Kxf8 40. Be4+ Kg7 41. Qxe3 Rxe4 42. Qg3 Qf6 43. Rf2 Qe5 0-1

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.19"]
[Round "4"]
[White "Avila Bautista, Roberto Al"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2126"]
[BlackElo "2041"]
[PlyCount "254"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bg4 3. Bb2 c5 4. g3 f6 5. d4 cxd4 6. Qxd4 Bxf3 7. exf3 e5 8. Qe3 Nc6 9. a3 Bd6 10. Bg2 Nge7 11. 0-0 0-0 12. Qd2 Rc8 13. Nc3 Bb8 14. Bh3 f5 15. Rad1 Nd4 16. Qd3 Rc6 17. f4 Ng6 18. Bg2 Kh8 19. fxe5 Bxe5 20. Rfe1 Bf6 21. Rc1 Ne5 22. Qd1 Rd6 23. a4 Re8 24. Kh1 Ndc6 25. Nb5 Rd7 26. Nd4 Ng4 27. Rf1 Qb6 28. c3 Nxd4 29. cxd4 Bg5 30. Rc5 Rde7 31. Qf3 Qh6 32. h3 g6 33. Kg1 Nf6 34. h4 Bd2 35. Rxd5 Nxd5 36. Qxd5 Qg7 37. Qc4 Bh6 38. Qb5 Qf6 39. Ba3 Re1 40. Bb4 Rxf1+ 41. Bxf1 Rd8 42. Qxb7 Qxd4 43. Ba5 Qd7 44. Qa6 Rf8 45. Bb4 Rb8 46. Bb5 Qb7 47. Qxb7 Rxb7 48. Bc5 Bg7 49. b4 Bc3 50. Bc6 Rc7 51. b5 Kg7 52. Kf1 Ba5 53. Bd6 Rc8 54. Bc5 Bb6 55. Bb4 Kf6 56. Ke2 Ke6 57. f3 a5 58. Ba3 Rd8 59. Bb2 Kd6 60. Ba3+ Bc5 61. Bc1 Kc7 62. Bg5 Rf8 63. Kd3 Bf2 64. Bf4+ Kb6 65. Kc4 Rd8 66. Bd5 Re8 67. Bc6 Re1 68. Bd5 Ra1 69. Kb3 Bc5 70. Bg8 Ra3+ 71. Kb2 Rxf3 72. Bxh7 Bf2 73. Bxg6 Bxg3 74. Bxg3 Rxg3 75. Bxf5 Rg2+ 76. Bc2 Rh2 77. Kc3 Rxh4 78. Kb2 Kc5 79. Kc3 Rh3+ 80. Bd3 Rg3 81. Kd2 Kb4 82. Bc2 Rh3 83. Bd1 Kc4 84. Be2+ Kd4 85. b6 Rh6 86. b7 Rb6 87. Ba6 Rb2+ 88. Kc1 Kc3 89. Bb5 Rg2 90. Kd1 Rg8 91. Ke2 Rd8 92. Ke3 Kb4 93. Bd7 Rb8 94. Bc6 Kc5 95. Be4 Rd8 96. Bf5 Kb6 97. Be4 Kc7 98. Bf3 Rd6 99. Be4 Rb6 100. Bd3 Rb4 101. Bb5 Kxb7 102. Kd3 Kb6 103. Kc3 Kc5 104. Be8 Rg4 105. Bb5 Rg3+ 106. Kc2 Kb4 107. Kd2 Rc3 108. Be8 Rc8 109. Bb5 Kb3 110. Kd3 Rd8+ 111. Ke3 Kc3 112. Ke4 Rd4+ 113. Ke3 Rb4 114. Bc6 Rb6 115. Bb5 Re6+ 116. Kf2 Kb3 117. Kf3 Re7 118. Bc6 Re1 119. Bb5 Kb4 120. Kf2 Re7 121. Kf1 Kb3 122. Kf2 Re4 123. Kf3 Rxa4 124. Ke3 Ra2 125. Kd3 Rh2 126. Bc4+ Kb4 127. Be6 a4 0-1

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.19"]
[Round "3"]
[White "Obando Guzman, Soren Federico"]
[Black "Loaiza Cuervo, Santiago"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2041"]
[BlackElo "1952"]
[PlyCount "89"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 Na6 8. g4 Nc5 9. f3 c6 10. h4 cxd5 11. cxd5 h5 12. g5 Ne8 13. Qd2 Bd7 14. 0-0-0 Rb8 15. Bxc5 dxc5 16. d6 b5 17. Nd5 Kh8 18. Kb1 Nxd6 19. Nf6 Rb6 20. Qa5 Bxf6 21. gxf6 Qc8 22. Qd2 Kh7 23. Qg5 Ne8 24. Qxe5 Nxf6 25. Rc1 c4 26. Bd1 Re8 27. Qg5 b4 28. Ne2 Qa6 29. Nd4 Rd6 30. Nf5 gxf5 31. e5 Rg8 32. Qe3 Nd5 33. Qc5 Nc3+ 34. Rxc3 Rxd1+ 35. Rxd1 bxc3 36. Rxd7 c2+ 37. Kc1 Qh6+ 38. Kxc2 Rg2+ 39. Kb1 Qg6 40. a3 f4+ 41. Ka2 c3 42. Rb7 c2 43. Qc4 Rg1 44. Rxf7+ Kh6 45. Qxf4+ 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.18"]
[Round "2"]
[White "Sanchez, Sebastian Felipe"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2450"]
[BlackElo "2041"]
[PlyCount "105"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3 0-0 9. Nf3 a6 10. a4 Nbd7 11. 0-0 Re8 12. Bf4 c4 13. Bc2 Nc5 14. Re1 Qb6 15. Rb1 Nfd7 16. Nd2 Nd3 17. Bxd3 cxd3 18. Nc4 Qb4 19. Qxd3 Ne5 20. Bxe5 Bxe5 21. Nxe5 Rxe5 22. Red1 Bd7 23. Qd4 Qxd4 24. Rxd4 f5 25. Rb4 b5 26. axb5 axb5 27. f4 Ree8 28. Re1 fxe4 29. Rbxe4 Kf8 30. Kf2 h5 31. R1e2 Ra6 32. Kg3 Rxe4 33. Rxe4 Bf5 34. Rb4 Bd3 35. Kh4 Kf7 36. Kg5 Bf1 37. g3 Bd3 38. Rd4 Bf1 39. Kh4 Bc4 40. Re4 Bd3 41. Re3 Bc4 42. Re4 Bd3 43. Rd4 Bf1 44. g4 hxg4 45. hxg4 Bc4 46. Kg5 Ra1 47. Ne4 Ra6 48. Nd2 Be2 49. Re4 Bd1 50. Re1 Bc2 51. Rc1 Bd3 52. Rc7+ Ke8 53. Rc3 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.29"]
[Round "7"]
[White "Obando Guzman, Soren Federico"]
[Black "Ospina, Weimar Andres"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2045"]
[BlackElo "1635"]
[PlyCount "80"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 dxc4 8. Qa4 Nbd7 9. Qxc4 a6 10. Nc3 c5 11. dxc5 Nxc5 12. a4 e5 13. e4 Be6 14. Qe2 Nb3 15. Rad1 Qc7 16. Nd5 Nxd5 17. exd5 Bxd5 18. Qxe5 Qxe5 19. Nxe5 Bxg2 20. Kxg2 Nxd2 21. Rxd2 Rfd8 22. Rc2 Rac8 23. Rfc1 Rxc2 24. Rxc2 f6 25. Nf3 Rd7 26. Nd2 Kf7 27. Kf3 Rd4 28. Nc4 h5 29. Nb6 Bd6 30. Nc4 Be7 31. Ke2 Ke6 32. b3 h4 33. Ne3 hxg3 34. hxg3 Rb4 35. Rc3 Bd6 36. Nc2 Re4+ 37. Kd3 Re5 38. Nd4+ Kd7 39. f4 Re1 40. Kd2 Bb4 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "4"]
[White "Zuleta, Juan Esteban"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1809"]
[BlackElo "2045"]
[PlyCount "40"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. c4 e5 8. Qd3 h6 9. 0-0 Nf6 10. Nc3 a6 11. Rd1 Be7 12. b4 b6 13. a4 0-0 14. b5 Bb7 15. Ba3 axb5 16. axb5 Qb8 17. Bxd6 Qxd6 18. Rxa8 Rxa8 19. Qxd6 Bxd6 20. Rxd6 Nxe4 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "2"]
[White "Contreras, Henry Esteban"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1782"]
[BlackElo "2045"]
[PlyCount "99"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. e4 d6 4. Nge2 b6 5. g3 Bb7 6. Bg2 Nbd7 7. 0-0 e6 8. h3 a6 9. d3 Qc7 10. a3 Be7 11. Be3 0-0 12. f4 h5 13. f5 exf5 14. Rxf5 g6 15. Rf2 Nh7 16. Bh6 Rfe8 17. Nf4 Ndf6 18. Qd2 Bf8 19. Nfe2 Re6 20. Raf1 Bg7 21. Nf4 Re7 22. Bxg7 Kxg7 23. b3 Rf8 24. Qb2 Re5 25. Ncd5 Bxd5 26. Nxd5 Nxd5 27. exd5 Kg8 28. d4 cxd4 29. Qxd4 b5 30. Rc2 Rg5 31. Qf4 Qc5+ 32. Kh2 Qxa3 33. c5 Qxb3 34. Rcf2 dxc5 35. d6 Qe6 36. Qd2 h4 37. gxh4 Rxg2+ 38. Kxg2 Qe4+ 39. Kh2 Qxh4 40. Rf4 Qd8 41. R4f2 Ng5 42. Qd5 Ne6 43. Rxf7 Rxf7 44. Qxe6 Qd7 45. Qxg6+ Rg7 46. Qf6 Qb7 47. Qf8+ Kh7 48. Qf5+ Kg8 49. Qf8+ Kh7 50. Qf5+ 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.28"]
[Round "9"]
[White "Vargas Arteaga, Alexis"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2277"]
[BlackElo "2020"]
[PlyCount "52"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 g6 4. e4 d6 5. h3 Bg7 6. Nf3 0-0 7. Bd3 e6 8. 0-0 exd5 9. exd5 a6 10. a4 Nbd7 11. Bf4 Qc7 12. Re1 Nh5 13. Bh2 Ne5 14. g4 Nxf3+ 15. Qxf3 Nf6 16. g5 Ne8 17. h4 f6 18. Rxe8 Rxe8 19. gxf6 Qf7 20. Ne4 Rxe4 21. Bxe4 Qxf6 22. Qxf6 Bxf6 23. Bxd6 Bxb2 24. Rb1 Bf6 25. Bxc5 Bxh4 26. d6 Bf6 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.27"]
[Round "8"]
[White "Obando Guzman, Soren Federico"]
[Black "Saladen Dulce, Rafael"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2020"]
[BlackElo "2173"]
[PlyCount "82"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 0-0 9. Be3 N8d7 10. Rd1 Qe8 11. Be2 e5 12. dxe5 Qe7 13. 0-0 Nxe5 14. Nxe5 Bxe5 15. f4 Bg7 16. Bf3 Nc4 17. Bf2 Qb4 18. Na4 Nxb2 19. Rb1 Qxa4 20. Rxb2 Qxc2 21. Rxc2 Rd8 22. Rb1 Bd4 23. a4 a5 24. Rc4 Bxf2+ 25. Kxf2 Be6 26. Rc5 Rd2+ 27. Ke3 Rad8 28. f5 g5 29. Be2 Bc8 30. Rxa5 Ra2 31. Rb6 Kg7 32. Ra8 Kf6 33. Rxb7 Rdd2 34. Rxc8 Rxe2+ 35. Kd4 Rxa4+ 36. Kd3 Raxe4 37. Rxc6+ Kxf5 38. Rxf7+ Kg4 39. Rf3 Re6 40. Rg3+ Kf5 41. Rc5+ R2e5 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "7"]
[White "Gomez, Hernan Alberto"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "E13"]
[WhiteElo "1827"]
[BlackElo "2020"]
[PlyCount "38"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. e3 c5 4. Nc3 b6 5. d4 cxd4 6. exd4 Bb4 7. Bd3 0-0 8. 0-0 Bb7 9. Bg5 h6 10. Bh4 Be7 11. Re1 d5 12. Ne5 dxc4 13. Bxc4 Nc6 14. Nxf7 Rxf7 15. Rxe6 Na5 16. Bd3 Nd5 17. Qg4 Bxh4 18. Qg6 Bxf2+ 19. Kh1 Nf6 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "6"]
[White "Obando Guzman, Soren Federico"]
[Black "Oliveros, Camilo"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2020"]
[BlackElo "2155"]
[PlyCount "74"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c6 7. Qc2 b6 8. Rd1 Bb7 9. b3 Na6 10. Nc3 Rc8 11. e4 c5 12. exd5 exd5 13. Nh4 Nb4 14. Qb1 cxd4 15. Rxd4 Bc5 16. Rd2 Ng4 17. Bb2 Qg5 18. Qd1 Nd3 19. Nf3 Ngxf2 20. Qc2 Qh6 21. Na4 Be3 22. Re2 Ng4+ 23. Kf1 dxc4 24. bxc4 Be4 25. h3 Nc5 26. Qd1 Bxf3 27. Bxf3 Qxh3+ 28. Rg2 Qh1+ 29. Ke2 Qxd1+ 30. Rxd1 Nxa4 31. Bxg4 Nxb2 32. Bxc8 Nxd1 33. Bb7 Rd8 34. Bd5 Nc3+ 35. Kxe3 Nxd5+ 36. cxd5 Rxd5 37. Rc2 g6 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "5"]
[White "Gonzalez Parejo, Ramon Junior"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2191"]
[BlackElo "2020"]
[PlyCount "39"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nd2 c5 4. e3 b6 5. Ngf3 Bb7 6. Be2 Be7 7. h3 cxd4 8. exd4 0-0 9. 0-0 d6 10. Re1 Nbd7 11. c3 Re8 12. a4 a6 13. Bh2 Bf8 14. Bf1 g6 15. Qb3 Qc7 16. Ng5 Bd5 17. c4 Bc6 18. a5 bxa5 19. c5 a4 20. Qa3 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "4"]
[White "Obando Guzman, Soren Federico"]
[Black "Carrillo Parra, Miguel Alfredo"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2020"]
[BlackElo "2167"]
[PlyCount "67"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Qb3 Nf6 5. g3 dxc4 6. Qxc4 b5 7. Qd3 Bb7 8. Bg2 a6 9. a4 Nbd7 10. 0-0 Bd6 11. Bg5 0-0 12. Nc3 Qb8 13. e4 e5 14. Rfd1 b4 15. Ne2 c5 16. d5 c4 17. Qc2 a5 18. Nh4 Bc5 19. Bh3 Qa7 20. Kg2 Ba6 21. f3 h6 22. Bxf6 Nxf6 23. Nf5 Rad8 24. Qd2 Qb6 25. Rac1 Rfe8 26. Kh1 g6 27. Nxh6+ Kg7 28. Qg5 Rh8 29. Nf5+ Kf8 30. d6 Nh7 31. Qh6+ Ke8 32. Ng7+ Kf8 33. Ne6+ Ke8 34. Nc7+ 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "2"]
[White "Obando Guzman, Soren Federico"]
[Black "Guarin Fonseca, Nobel Alfredo"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2020"]
[BlackElo "1812"]
[PlyCount "72"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Bg2 Be7 8. 0-0 0-0 9. e3 Nbd7 10. Qe2 a6 11. Rd1 Ne4 12. b3 Bb4 13. Bb2 Ndf6 14. Ne5 Bd5 15. f3 Nd6 16. Nd3 Ba5 17. e4 Bc6 18. e5 Nf5 19. exf6 Nxd4 20. Qf1 Qxf6 21. Kh1 Bxf3 22. Bxf3 Qxf3+ 23. Qxf3 Nxf3 24. Kg2 Ng5 25. Na3 b5 26. Nc5 h6 27. Nc2 Rfd8 28. h4 Nh7 29. Nd7 Nf8 30. Ne5 Bb6 31. Nc6 Rd6 32. Ne7+ Kh7 33. Ba3 Re8 34. Bxd6 cxd6 35. Rxd6 Bc5 36. Rxa6 Bxe7 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "3"]
[White "Vargas Diaz, David Alejandro"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1850"]
[BlackElo "2020"]
[PlyCount "89"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. a3 c5 3. e3 b6 4. Nc3 e6 5. Nf3 Bb7 6. d4 cxd4 7. exd4 d6 8. Bd3 Nbd7 9. 0-0 Be7 10. Re1 0-0 11. d5 e5 12. h3 Rc8 13. b4 a6 14. Bb2 Re8 15. Qb3 Bf8 16. Rad1 g6 17. Bb1 Qc7 18. Nd2 Nh5 19. Ba2 f5 20. Nf3 h6 21. Ne2 Nhf6 22. Ng3 Bg7 23. Bc1 Kh7 24. Qb1 Nf8 25. h4 e4 26. Nd4 h5 27. Nge2 Ng4 28. Nf4 Qe7 29. Nf3 Bf6 30. g3 Qd8 31. Ng5+ Bxg5 32. hxg5 Ne5 33. Kg2 Nxc4 34. Bxc4 Rxc4 35. Rh1 Nd7 36. Qa2 Rxc1 37. Rxc1 Ne5 38. Qe2 Nf3 39. Qc4 Re7 40. Qc3 Ne5 41. Qd4 b5 42. Qd1 Ng4 43. Qd4 Ne5 44. Ne6 Rxe6 45. dxe6 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.23"]
[Round "1"]
[White "Rueda Bermudez, Andres Felipe"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1648"]
[BlackElo "2020"]
[PlyCount "18"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. h3 Qxb2 0-1

[Event "COL-ch Blitz"]
[Site "Villavicencio"]
[Date "2021.11.15"]
[Round "10"]
[White "Avila Pavas, Santiago"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2292"]
[BlackElo "2110"]
[PlyCount "69"]
[EventDate "2021.11.15"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Nd5 Bxd5 10. exd5 Nbd7 11. Qd2 g6 12. Be2 Bg7 13. Na5 Qc7 14. 0-0 0-0 15. c4 e4 16. f4 Ng4 17. Bxg4 hxg4 18. Rab1 f5 19. b4 b6 20. Nc6 a5 21. bxa5 bxa5 22. Rb5 Nc5 23. Rfb1 Rf7 24. Qf2 Nd3 25. Qh4 Bf8 26. Bd4 Rh7 27. Qg5 Qf7 28. Rb8 Rh5 29. Qd8 Rxb8 30. Rxb8 g3 31. Ne7+ Kh7 32. Qxf8 Qxf8 33. Rxf8 gxh2+ 34. Kh1 Nxf4 35. Rh8# 1-0

[Event "COL-ch Blitz"]
[Site "Villavicencio"]
[Date "2021.11.15"]
[Round "13"]
[White "Obando Guzman, Soren Federico"]
[Black "Escobar Medina, Andres F"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2110"]
[BlackElo "2242"]
[PlyCount "70"]
[EventDate "2021.11.15"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. g3 d5 6. Qc2 c5 7. Bg2 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. 0-0 Ba6 11. b3 Qe7 12. a3 Bd6 13. Bb2 Rab8 14. b4 Bc7 15. e4 e5 16. exd5 cxd5 17. Rfe1 Rfd8 18. cxd5 Nxd5 19. Ne4 Bb7 20. Nc5 Ba8 21. Rac1 Bd6 22. Ne4 f6 23. Nxd6 Qxd6 24. Red1 Kh8 25. Qa4 Qb6 26. Rc5 Ne7 27. Rxd8+ Rxd8 28. Bxa8 Rxa8 29. Qd7 Qd8 30. Qe6 Ng8 31. Kg2 h6 32. b5 Rb8 33. a4 Qd2 34. Bc3 Qd1 35. Rc7 Qxa4 1-0

[Event "COL-ch Blitz"]
[Site "Villavicencio"]
[Date "2021.11.15"]
[Round "2"]
[White "Obando Guzman, Soren Federico"]
[Black "Sanchez, Sebastian Felipe"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2110"]
[BlackElo "2438"]
[PlyCount "166"]
[EventDate "2021.11.15"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nc3 dxc4 6. Qa4+ Nc6 7. Bg2 Bd7 8. Qc2 Rb8 9. 0-0 0-0 10. Rd1 Be7 11. e4 Re8 12. Bg5 h6 13. Bxf6 Bxf6 14. e5 Be7 15. Ne4 b5 16. b3 Nb4 17. Qe2 cxb3 18. axb3 a6 19. Nc5 Bc8 20. Ne1 Nd5 21. Qc2 Rb6 22. Ned3 b4 23. Ra5 Rf8 24. Rda1 Bb7 25. Nxb7 Rxb7 26. Rxa6 Qd7 27. Nc5 Bxc5 28. Qxc5 Rd8 29. Ra8 Rbb8 30. Rxb8 Rxb8 31. Bxd5 Qxd5 32. Qxd5 exd5 33. Rc1 Ra8 34. Rxc7 Ra3 35. Rc5 Rxb3 36. Rxd5 Rd3 37. Rd8+ Kh7 38. Kg2 b3 39. Rb8 Rxd4 40. Rxb3 Re4 41. Rb5 Kg6 42. Kf3 Re1 43. h4 h5 44. Kf4 Re2 45. f3 Re1 46. Rb6+ Kh7 47. Rb7 Kg6 48. Rb6+ Kh7 49. Kf5 Re3 50. Kf4 Re1 51. Rb4 Kg6 52. Re4 Ra1 53. Rb4 Re1 54. Ra4 Re2 55. Ra6+ Kh7 56. Ra5 Kg6 57. Ra4 Re1 58. Re4 Ra1 59. e6 fxe6 60. Rxe6+ Kf7 61. Re5 g6 62. Rb5 Ra3 63. g4 hxg4 64. fxg4 Kf6 65. Rb6+ Kg7 66. Rb7+ Kf6 67. Rb6+ Kg7 68. Rb4 Ra5 69. g5 Ra1 70. Rb7+ Kg8 71. Ke5 Rf1 72. Rb6 Kg7 73. Rb7+ Kg8 74. Rb8+ Kg7 75. Rb7+ Kg8 76. Rb6 Kg7 77. Rb7+ Kg8 78. Rb6 Rf4 79. Ke6 Kg7 80. Rb7+ Kg8 81. Ke5 Rf2 82. Rb4 Kg7 83. Rf4 Re2+ 1/2-1/2

[Event "COL-ch Rapid"]
[Site "Villavicencio"]
[Date "2021.11.14"]
[Round "4"]
[White "Obando Guzman, Soren Federico"]
[Black "Sanchez, Sebastian Felipe"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1991"]
[BlackElo "2412"]
[PlyCount "64"]
[EventDate "2021.11.13"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nc3 dxc4 6. Qa4+ Nc6 7. Bg2 Bd7 8. Qc2 Rb8 9. 0-0 b5 10. Rd1 Be7 11. e4 0-0 12. d5 Nb4 13. Qe2 exd5 14. e5 Re8 15. exf6 Bxf6 16. Qf1 Bf5 17. Be3 Bd3 18. Rxd3 Nxd3 19. Bxa7 b4 20. Nd1 Ra8 21. Bd4 c5 22. Bxf6 Qxf6 23. Ne3 Rxe3 24. fxe3 Qxb2 25. Ng5 Rf8 26. Bxd5 Ne5 27. Rb1 Qd2 28. Qf4 Qxd5 29. Rf1 h6 30. Ne4 c3 31. Qf5 f6 32. Qf4 f5 0-1

[Event "COL-ch Rapid"]
[Site "Villavicencio"]
[Date "2021.11.13"]
[Round "2"]
[White "Obando Guzman, Soren Federico"]
[Black "Marin, Sebastian"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1991"]
[BlackElo "2327"]
[PlyCount "110"]
[EventDate "2021.11.13"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 Nbd7 11. Nbd2 h6 12. Bxf6 Nxf6 13. Nxc4 Be4 14. Qb3 Qd5 15. Rac1 b5 16. axb5 axb5 17. Ncd2 Qxb3 18. Nxb3 Ra2 19. Rxc7 Bd6 20. Rcc1 Rxb2 21. Nc5 Rxe2 22. Nxe4 Nxe4 23. Rc6 Rd8 24. Re1 Rxe1+ 25. Nxe1 Nf6 26. Rb6 b4 27. Nd3 Bf8 28. d5 Nxd5 29. Bxd5 Rxd5 30. Nxb4 Rd2 31. Rb8 Rb2 32. Nc6 Rxb8 33. Nxb8 Bc5 34. Nc6 Kf8 35. Kg2 f6 36. Na5 Ke7 37. Nc4 e5 38. g4 Ke6 39. Nd2 Kd5 40. f3 g6 41. Ne4 Be7 42. Ng3 Kd4 43. h4 Kd5 44. h5 gxh5 45. Nxh5 e4 46. fxe4+ Kxe4 47. Nxf6+ Bxf6 48. Kh2 Kf4 49. Kg2 Be5 50. Kh2 Kf3+ 51. Kh3 Bd6 52. Kh4 Bf4 53. Kh3 Kf2 54. Kh4 Kg2 55. Kh5 Kh3 0-1

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "3"]
[White "Jordan Vilchez, Moises Daniel"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1865"]
[BlackElo "2110"]
[PlyCount "71"]
[EventDate "2021.11.07"]
[EventType "swiss"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. Nf3 e6 5. d3 Bb7 6. a4 b4 7. Ne2 d5 8. e5 h5 9. h4 Nh6 10. Ng5 Nf5 11. Ng1 Nc6 12. N1f3 Be7 13. c3 a5 14. Rg1 g6 15. g4 hxg4 16. Rxg4 Ba6 17. Qe2 Rb8 18. Qg2 bxc3 19. bxc3 Rb3 20. Kd2 Qb6 21. Ra2 d4 22. Ne4 Ne3 23. Qg1 dxc3+ 24. Kxe3 Nd4 25. Nxd4 cxd4+ 26. Ke2 Rb2+ 27. Bxb2 cxb2 28. Rxb2 Qxb2+ 29. Kf3 Qc1 30. Qf2 Bb7 31. Be2 Rh5 32. Qxd4 Qh1+ 33. Kf2 Bxh4+ 34. Ke3 Qh3+ 35. Kd2 Be7 36. Qb6 0-1

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "13"]
[White "Mosquera Klinger, Miguel Alonso"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2479"]
[BlackElo "2110"]
[PlyCount "48"]
[EventDate "2021.11.07"]
[EventType "swiss"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. g4 Be7 10. Qd2 0-0 11. 0-0-0 b5 12. Kb1 b4 13. Ne2 a5 14. Ng3 a4 15. Nc1 d5 16. g5 d4 17. Bf2 Ne8 18. h4 Nd6 19. f4 exf4 20. Qxf4 b3 21. Bxd4 bxc2+ 22. Kxc2 Qc7+ 23. Kb1 Rfc8 24. Bd3 Qb7 1/2-1/2

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "5"]
[White "Obando Guzman, Soren Federico"]
[Black "Caceres Escobar, Pedro Luis"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2110"]
[BlackElo "1952"]
[PlyCount "155"]
[EventDate "2021.11.07"]
[EventType "swiss"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Nge7 4. Bf4 Ng6 5. Bg3 Bc5 6. Qd5 Qe7 7. h4 h5 8. e3 0-0 9. Bd3 Kh8 10. Nbd2 Nb4 11. Qb3 a5 12. Ne4 d5 13. Nxc5 Qxc5 14. a3 Nxd3+ 15. cxd3 a4 16. Qc3 Qxc3+ 17. bxc3 Bf5 18. Kd2 b5 19. Nd4 Bd7 20. Rab1 c6 21. f4 Rfb8 22. f5 c5 23. fxg6 cxd4 24. exd4 Rc8 25. gxf7 Rf8 26. Rhf1 g6 27. Rf6 Kg7 28. Rbf1 Bf5 29. Rb6 Rxf7 30. Rxb5 Rc8 31. Rc5 Rb8 32. Rxd5 Rb2+ 33. Ke3 Rxg2 34. Bf4 Be6 35. Rd6 Bg4 36. Bh6+ Kxh6 37. Rxf7 Re2+ 38. Kf4 Rf2+ 39. Ke4 Rxf7 40. e6 Re7 41. d5 Kg7 42. Ke5 Kf8 43. c4 Rc7 44. Ra6 g5 45. d6 Rc8 46. Ra7 gxh4 47. e7+ Kf7 48. d7 Bxd7 49. Rxd7 Ke8 50. Rd6 Rc5+ 51. Kd4 Rg5 52. Re6 h3 53. Re3 h2 54. Rh3 Rg4+ 55. Kc5 Rg5+ 56. Kd6 Rg6+ 57. Ke5 Rg3 58. Rxh2 Rxd3 59. c5 Kxe7 60. Rxh5 Rxa3 61. Rh7+ Kd8 62. Kd6 Rd3+ 63. Kc6 a3 64. Rh8+ Ke7 65. Ra8 Ke6 66. Kb6 Kd5 67. c6 Rb3+ 68. Kc7 Kc5 69. Ra5+ Kb4 70. Ra8 Rc3 71. Kb7 Kb3 72. c7 Kb2 73. Ra6 a2 74. Rb6+ Kc1 75. Ra6 Kb1 76. Rc6 a1Q 77. Rxc3 Qxc3 78. c8Q 1-0

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "11"]
[White "Obando Guzman, Soren Federico"]
[Black "Garcia Alarcon, Alvaro"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "2110"]
[BlackElo "1971"]
[PlyCount "61"]
[EventDate "2021.11.07"]
[EventType "swiss"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 0-0 7. Be3 a6 8. g4 Ne8 9. Qd2 Nc7 10. g5 b5 11. cxb5 axb5 12. Nxb5 Nxb5 13. Bxb5 Ba6 14. Bxa6 Nxa6 15. Ne2 Qb6 16. 0-0 Rfb8 17. b3 Qb4 18. Qc2 Qb7 19. Nc3 Qd7 20. Qe2 Qh3 21. f3 Nc7 22. Rab1 Ra5 23. a4 Qh5 24. Qg2 Ra7 25. Rb2 Rab7 26. Rfb1 Na6 27. Nb5 Nb4 28. Rd2 Rf8 29. Na3 f5 30. gxf6 Rxf6 31. Rf1 1-0

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "1"]
[White "Obando Guzman, Soren Federico"]
[Black "Lozano Becerra, Andres Felipe"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2110"]
[BlackElo "1500"]
[PlyCount "53"]
[EventDate "2021.11.07"]
[EventType "swiss"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nc3 g6 4. e4 d6 5. h3 Bg7 6. Nf3 Nbd7 7. Be2 0-0 8. 0-0 e6 9. dxe6 fxe6 10. Qxd6 Nb6 11. Qxc5 Kh8 12. Bg5 Nbd7 13. Qe3 Qc7 14. Rad1 e5 15. Bh6 Nh5 16. Bxg7+ Kxg7 17. Nd5 Qxc2 18. Ng5 Nf4 19. Nxf4 exf4 20. Qd4+ Kh6 21. Ne6 Rg8 22. Rd2 Qc6 23. Bc4 Nf6 24. e5 Nh5 25. Nxf4 Nxf4 26. Qxf4+ Kg7 27. Qf6+ 1-0

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "9"]
[White "Obando Guzman, Soren Federico"]
[Black "Mena, Yamil Octavio"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2110"]
[BlackElo "1957"]
[PlyCount "62"]
[EventDate "2021.11.07"]
[EventType "swiss"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Bf2 Nbd7 10. Nb3 b5 11. Bd3 Bb7 12. Qe2 Qc7 13. 0-0-0 b4 14. Nb1 a5 15. g4 a4 16. Nd4 a3 17. b3 d5 18. e5 Ne4 19. Bxe4 dxe4 20. Nb5 Qc8 21. Be3 0-0 22. c4 bxc3 23. N1xc3 Bb4 24. Qc4 Qxc4 25. bxc4 Nc5 26. Bxc5 Bxc5 27. Nd6 Bc6 28. Ncxe4 Be3+ 29. Kb1 Rab8+ 30. Ka1 Bxf4 31. Nc3 Bxe5 0-1

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "7"]
[White "Sanchez, Sebastian Felipe"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2438"]
[BlackElo "2110"]
[PlyCount "51"]
[EventDate "2021.11.07"]
[EventType "swiss"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 c5 4. c3 b6 5. Nf3 Bb7 6. Be2 Be7 7. h3 0-0 8. 0-0 d6 9. a4 cxd4 10. exd4 a6 11. Na3 Nbd7 12. Re1 Re8 13. Bf1 Bf8 14. Nc4 Qc7 15. Bh2 Nd5 16. Qb3 N7f6 17. Nfd2 g6 18. Be2 e5 19. dxe5 dxe5 20. Bf3 Nf4 21. Bxf4 exf4 22. Qxb6 Qxb6 23. Nxb6 Rab8 24. Rxe8 Rxe8 25. Bxb7 Rb8 26. Nd5 1-0

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.12"]
[Round "10"]
[White "Guarin Fonseca, Nobel Alfredo"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "1852"]
[BlackElo "2056"]
[PlyCount "40"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nf6 5. d4 0-0 6. c3 Nc6 7. Re1 d6 8. dxc5 dxc5 9. Be3 Qa5 10. Nbd2 Ng4 11. Nc4 Nxe3 12. Nxa5 Nxd1 13. Nxc6 bxc6 14. Raxd1 Rb8 15. Rd2 h6 16. Red1 Be6 17. Ne1 Bxa2 18. Ra1 Bd5 19. Rxa7 e6 20. Nd3 Rb5 1/2-1/2

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.12"]
[Round "9"]
[White "Obando Guzman, Soren Federico"]
[Black "Zuluaga Mancilla, Cesar"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2056"]
[BlackElo "2256"]
[PlyCount "88"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4 Bf5 6. Qb3 Ra7 7. a5 dxc4 8. Qxc4 h6 9. g3 e6 10. Bg2 Nbd7 11. 0-0 Be7 12. Nd2 Bh7 13. e4 0-0 14. d5 Ne5 15. Qb3 exd5 16. exd5 Nd3 17. dxc6 bxc6 18. Nc4 Bc5 19. Be3 Nd5 20. Bxc5 Nxc5 21. Qa3 Nd3 22. Nxd5 cxd5 23. Nb6 d4 24. Rad1 Ne5 25. Qc5 Nd3 26. Qa3 Ne5 27. Rfe1 Re8 28. Qc5 Rae7 29. Rxd4 Nf3+ 30. Bxf3 Rxe1+ 31. Kg2 Bd3 32. h4 Bf1+ 33. Kh2 Qf6 34. Rf4 Qe6 35. Bg4 Qe7 36. b4 Qxc5 37. bxc5 Rc1 38. c6 Ree1 39. Bd7 Be2 40. f3 Bb5 41. Nc4 Re2+ 42. Kh3 Bxc4 43. c7 Be6+ 44. Bxe6 Rxe6 0-1

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.11"]
[Round "8"]
[White "Cuesta Cifuentes, Jair Alfonso"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "E64"]
[WhiteElo "1948"]
[BlackElo "2056"]
[PlyCount "83"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. g3 Bg7 6. Bg2 0-0 7. Nf3 Na6 8. 0-0 Nc7 9. a4 b6 10. h3 a6 11. Re1 Rb8 12. e4 b5 13. e5 Nfe8 14. b3 bxc4 15. bxc4 Rb4 16. Bf1 Bd7 17. Bg5 f6 18. exf6 Nxf6 19. Rc1 h6 20. Bd2 Qe8 21. Qe2 e6 22. Ne4 Nxe4 23. Bxb4 Nxg3 24. fxg3 cxb4 25. dxe6 Nxe6 26. Red1 Nc5 27. Rxd6 Bxa4 28. Nh4 g5 29. Ng6 Qxe2 30. Bxe2 Re8 31. Bf3 b3 32. Bd5+ Kh7 33. Bf7 b2 34. Rf1 Rb8 35. Ne7 Bc2 36. Kh2 b1Q 37. Rxb1 Bxb1 38. Nc6 Rb2+ 39. Kg1 Be4 40. Ne7 Be5 41. Rd8 Bxg3 42. Rd1 0-1

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.11"]
[Round "7"]
[White "Obando Guzman, Soren Federico"]
[Black "Mogollon Tobar, Nicolle Juliet"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2056"]
[BlackElo "1797"]
[PlyCount "68"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. f3 Nc6 4. Nc3 e5 5. d5 Ne7 6. e4 Ng6 7. Be3 Bc5 8. Qd2 d6 9. 0-0-0 h6 10. h4 0-0 11. Nge2 a6 12. Ng3 Bxe3 13. Qxe3 Ne7 14. Bd3 b5 15. c5 dxc5 16. Qxc5 Qd6 17. Qe3 c5 18. dxc6 Qxc6 19. Kb1 b4 20. Nd5 Nexd5 21. exd5 Nxd5 22. Qe4 f5 23. Qxe5 Nc3+ 24. bxc3 bxc3 25. Ka1 Be6 26. Nh5 Rf7 27. Nf4 Bxa2 28. Qa5 Bb3 29. Rc1 c2 30. Rhe1 Qd6 31. Kb2 Rb8 32. g3 Qd4+ 33. Ka3 Ba4 34. Bb5 Rxb5 0-1

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.10"]
[Round "5"]
[White "Obando Guzman, Soren Federico"]
[Black "Shaffer, Alexander"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2056"]
[BlackElo "1805"]
[PlyCount "109"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 e6 3. Bg2 d5 4. c4 Nc6 5. 0-0 Nf6 6. b3 Be7 7. Bb2 0-0 8. e3 b6 9. Qe2 Bb7 10. Rd1 Qc7 11. Nc3 Rad8 12. cxd5 Nxd5 13. Rac1 Ndb4 14. d4 cxd4 15. Nb5 Qb8 16. Nfxd4 Nxd4 17. Bxd4 Bxg2 18. Kxg2 a6 19. Na3 b5 20. Nb1 Qb7+ 21. Kg1 Nc6 22. Qf3 Rc8 23. Bb2 Rc7 24. Qg4 g6 25. Nd2 f5 26. Qf4 g5 27. Qf3 Nd8 28. Be5 Rxc1 29. Rxc1 Qxf3 30. Nxf3 Nf7 31. Bb2 g4 32. Nd4 Ng5 33. Nc6 Nf3+ 34. Kg2 Bf6 35. Ba3 Rf7 36. Bb4 Rc7 37. Ba5 Rd7 38. Nb8 Rd6 39. Bb4 Rd8 40. Nc6 Rd7 41. h3 h5 42. h4 Kg7 43. Nb8 Rd8 44. Nxa6 Bb2 45. Rc7+ Kg6 46. Kf1 Rd1+ 47. Ke2 Ra1 48. Rc2 Bf6 49. Nc7 Ng1+ 50. Kd3 Rd1+ 51. Rd2 Rc1 52. Nxb5 Nf3 53. Rc2 Ne5+ 54. Kd2 Ra1 55. Nc7 1-0

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.10"]
[Round "6"]
[White "Patino, Daniel Santiago"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1843"]
[BlackElo "2056"]
[PlyCount "100"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Na5 4. Be2 a6 5. a4 e6 6. f4 b6 7. Bf3 Bb7 8. e5 d5 9. exd6 Bxd6 10. Bxb7 Nxb7 11. Qg4 Nf6 12. Qf3 Qc7 13. d3 0-0 14. Nge2 Rfe8 15. 0-0 Rad8 16. Ne4 Nd5 17. c3 Bf8 18. f5 exf5 19. Qxf5 g6 20. Qf3 f5 21. N4g3 Na5 22. Bg5 Be7 23. Bh6 Nc6 24. d4 cxd4 25. cxd4 Bf6 26. Rac1 Qd7 27. Rfd1 Ncb4 28. Nc3 Qf7 29. Bf4 Nxf4 30. Qxf4 Qe7 31. Rb1 Bg5 32. Qf1 Be3+ 33. Kh1 Qf7 34. d5 Bc5 35. Qc4 a5 36. Nge2 Nc2 37. Rd3 Ne3 38. Qb5 f4 39. Ng1 Ng4 40. Nh3 Re3 41. Rxe3 fxe3 42. Qe2 h5 43. Ng5 Qf4 44. Nf3 Bd6 45. g3 Qf5 46. Kg2 Bb4 47. Rf1 Bxc3 48. bxc3 Qxd5 49. h3 Qe4 50. Kg1 Nf2 0-1

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.09"]
[Round "3"]
[White "Obando Guzman, Soren Federico"]
[Black "Leal Cortes, Diego Fernando"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2056"]
[BlackElo "1843"]
[PlyCount "61"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. Nc3 Be7 5. b3 c5 6. Bb2 Nc6 7. cxd5 exd5 8. d4 cxd4 9. Nxd4 0-0 10. Be2 Re8 11. 0-0 Bd6 12. Bf3 Ne5 13. h3 Bb8 14. Nce2 Ne4 15. Nf4 g5 16. Nh5 Qd6 17. Ng3 Nxg3 18. fxg3 g4 19. hxg4 Qh6 20. Nc2 Nxg4 21. Bxg4 Bxg3 22. Bh5 f6 23. Rxf6 Qg5 24. Bf7+ Kf8 25. Bxe8+ Kxe8 26. Qf3 Qh4 27. Rf8+ Kd7 28. Qf7+ Kc6 29. Nd4+ Kb6 30. Qf6+ Qxf6 31. Rxf6+ 1-0

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.09"]
[Round "4"]
[White "Pardo Sierra, Aurelio"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "A66"]
[WhiteElo "2013"]
[BlackElo "2056"]
[PlyCount "39"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5 dxe5 9. fxe5 Ng4 10. Bb5+ Kf8 11. Nf3 Nxe5 12. 0-0 Nbd7 13. Bg5 Qb6 14. d6 c4+ 15. Kh1 Nxf3 16. Qxf3 Ne5 17. Qd5 Bf5 18. Rae1 a6 19. Rxe5 axb5 20. Re7 1-0

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.08"]
[Round "2"]
[White "Gomez, Jorge Leonardo"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1813"]
[BlackElo "2056"]
[PlyCount "82"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. g3 Bb7 5. Bg2 e6 6. d3 b4 7. Na4 Bc6 8. b3 Bxa4 9. bxa4 Qa5 10. Nf3 Nf6 11. 0-0 Qxa4 12. Ne5 Nc6 13. Nc4 Rb8 14. f5 Nd4 15. Bf4 Rb7 16. Rf2 Be7 17. Nd6+ Bxd6 18. Bxd6 Qc6 19. e5 Nd5 20. Qg4 Kd8 21. Qxg7 Re8 22. Qxf7 Nb5 23. f6 Nxd6 24. exd6 Qxd6 25. Qxh7 Kc7 26. Raf1 Rbb8 27. Bxd5 Qxd5 28. f7 Rh8 29. Qe4 Qh5 30. Qf4+ d6 31. Qf6 Kd7 32. Re1 e5 33. Re4 Qh3 34. g4 Rbf8 35. g5 Qh5 36. Qf5+ Kc6 37. g6 Qd1+ 38. Kg2 Rh5 39. Qg4 Rxh2+ 40. Kxh2 Rh8+ 41. Qh4 Kd5 1-0

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.08"]
[Round "1"]
[White "Obando Guzman, Soren Federico"]
[Black "Fernandez Reyes, Lisandro"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2056"]
[BlackElo "2379"]
[PlyCount "92"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Nc5 6. Qc2 a5 7. Nf3 Be7 8. h3 0-0 9. Be3 b6 10. g4 Bd7 11. Be2 c6 12. g5 Ne8 13. 0-0-0 Qb8 14. h4 Nc7 15. Bxc5 bxc5 16. Nd2 cxd5 17. cxd5 a4 18. Nc4 Na6 19. a3 f5 20. Bd3 f4 21. f3 Rc8 22. Bf1 Be8 23. Bh3 Rd8 24. Be6+ Kh8 25. Rdg1 Nc7 26. h5 Qb3 27. Nd2 Qxc2+ 28. Kxc2 Rdb8 29. g6 h6 30. Rb1 Nb5 31. Nxb5 Bxb5 32. Bh3 Kg8 33. Bf1 Bd7 34. Bh3 Be8 35. Kc3 Bd8 36. Nc4 Rb3+ 37. Kd2 Bc7 38. Bg4 Rab8 39. Rhc1 Bb5 40. Rc2 Kf8 41. Kd1 Ke7 42. Kc1 Ba6 43. Kd1 Rd3+ 44. Ke1 Rd4 45. Rbc1 Rb3 46. Rc3 Rxc3 0-1

[Event "COL-ch Amateurs U2300"]
[Site "Bogota"]
[Date "2021.06.27"]
[Round "7"]
[White "Obando Guzman, Soren Federico"]
[Black "Torres, Jaime Alberto"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2013"]
[BlackElo "1975"]
[PlyCount "79"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nh3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Nxe5 7. e3 0-0 8. Nf4 d6 9. Nc3 Be6 10. b3 a6 11. Be2 Nbc6 12. Ncd5 Ne7 13. 0-0 c6 14. Nc3 N5g6 15. Nxe6 fxe6 16. Bg4 Nf5 17. e4 Ne5 18. Bh3 Nh4 19. f4 Qb6+ 20. Kh1 Nf7 21. g3 Ng6 22. Bxe6 Rae8 23. f5 Nge5 24. Qxd6 Rxe6 25. Qxe6 Qe3 26. Rac1 Rd8 27. f6 gxf6 28. Qxf6 Rd3 29. Rcd1 Qd4 30. Rxd3 Qxd3 31. Nd1 Qxe4+ 32. Kg1 h6 33. Qf2 b5 34. Ne3 a5 35. Qf4 Qd3 36. Ng4 Qc3 37. Nxe5 Nxe5 38. Qf8+ Kh7 39. Qe7+ Kg6 40. Rf6+ 1-0

[Event "COL-ch Amateurs U2300"]
[Site "Bogota"]
[Date "2021.06.26"]
[Round "6"]
[White "Gonzalez, Leandro"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1787"]
[BlackElo "2013"]
[PlyCount "98"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. f5 Be7 12. fxe6 fxe6 13. Bc4 Nxe4 14. Nxe4 Bxh4+ 15. g3 Bg5 16. Nxg5 hxg5 17. Rb3 Qc5 18. Bxe6 Nc6 19. c3 Bxe6 20. Nxe6 Qe5+ 21. Qe2 Qxe2+ 22. Kxe2 Kf7 23. Nxg5+ Kg6 24. h4 Rae8+ 25. Kd3 b5 26. Rf1 Ne5+ 27. Kd4 Nc4 28. Rf4 Re2 29. Kd5 Rc8 30. Ne4 Rxa2 31. g4 Re8 32. h5+ Kh6 33. Rb1 Re2 34. g5+ Kh7 35. g6+ Kh6 36. Ng3 Rd2+ 37. Rd4 Re5+ 38. Kc6 Rc5+ 39. Kb7 a5 40. Ka6 Rxd4 41. cxd4 Rc6+ 42. Kb7 Rb6+ 43. Kc7 d5 44. Nf5+ Kxh5 45. Nxg7+ Kxg6 46. Rg1+ Kf7 47. Nf5 Rf6 48. Rf1 b4 49. Rf3 a4 0-1

