[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.23"]
[Round "7.2"]
[White "Pinzon, Jairo David"]
[Black "Campo Jimenez, David"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2140"]
[BlackElo "1410"]
[PlyCount "131"]
[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 "Cordoba"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. e3 c5 6. c3 Nc6 7. Bd3 Qb6 8. b3 cxd4 9. exd4 Bd7 10. Ne2 Rc8 11. Na3 e6 12. Nc2 Ne7 13. 0-0 Ng6 14. Be3 Bb5 15. a4 Bxd3 16. Qxd3 Be7 17. Qb5+ Qc6 18. Rfc1 a6 19. Qxc6+ Rxc6 20. Ne1 0-0 21. Nd3 Rfc8 22. Bg5 Kf8 23. a5 Ke8 24. b4 h6 25. Bxf6 gxf6 26. Nc5 Bxc5 27. bxc5 e5 28. Rab1 R8c7 29. Kf2 f5 30. Ng3 Nf4 31. Rd1 Rg6 32. Rg1 Rg5 33. Ne2 Nxe2 34. Kxe2 h5 35. Kf2 e4 36. Rb6 Kd8 37. g3 Rg6 38. Rgb1 Kc8 39. Ke3 Rxb6 40. Rxb6 Rc6 41. Rb2 h4 42. Kf4 hxg3 43. hxg3 Rg6 44. Kxf5 Rxg3 45. fxe4 dxe4 46. Kxe4 Rxc3 47. Rf2 Ra3 48. Rxf7 Rxa5 49. Kd5 Ra1 50. Kd6 Kb8 51. d5 Rd1 52. Rf8+ Ka7 53. Ke6 a5 54. d6 a4 55. d7 Re1+ 56. Kf7 Rf1+ 57. Kg7 Rg1+ 58. Kf6 Rf1+ 59. Ke7 Re1+ 60. Kd6 Rd1+ 61. Kc7 Rd5 62. d8Q Rxc5+ 63. Kd6 Rc6+ 64. Kd5 Ra6 65. Qb8+ Kb6 66. Rf6+ 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.22"]
[Round "6.1"]
[White "Pinzon, Jairo David"]
[Black "Corredor Rengifo, Luis Fernando"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2140"]
[BlackElo "2169"]
[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 "Bogota"]
[BlackTeam "Tolima"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. g3 f5 6. Bg2 d6 7. Ne2 Nd7 8. c4 Nf6 9. Nbc3 c6 10. Nf4 0-0 11. 0-0 Qe7 12. Qc2 Re8 13. Rab1 g5 14. Nd3 Be6 15. Ne2 Rac8 16. b4 b5 17. c5 Bc4 18. cxd6 Qxd6 19. Ne5 Bxe2 20. Qxe2 Ne4 21. Nd3 Nc3 22. Qf3 Nxb1 23. Rxb1 Qe6 24. Rc1 f4 25. gxf4 g4 26. Qg3 h5 27. Rc5 Qxa2 28. Rxh5 Qb1+ 29. Bf1 Re6 30. f5 Rh6 31. Rg5 Kh8 32. Rxg4 Bf6 33. Qf4 Rh7 34. Qd6 Bh4 35. Qe5+ f6 36. Qe6 Rf8 37. Nf4 Bg5 38. Ng6+ Kg7 39. Nxf8 Kxf8 40. Qc8+ Kf7 41. f4 Qd1 42. Rg2 Qe1 43. Qe6+ Kf8 44. fxg5 Re7 45. Qxf6+ Ke8 46. Qxc6+ Kf8 47. Qc8+ Re8 48. Qc5+ Kg8 49. Qd5+ Kf8 50. g6 Qxe3+ 51. Kh1 Kg7 52. Qf7+ 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "5.1"]
[White "Aponte Rodriguez, Alejandro"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "B58"]
[WhiteElo "1810"]
[BlackElo "2140"]
[PlyCount "129"]
[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 "Cesar"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Ndb5 a6 8. Na3 Be7 9. Bg5 0-0 10. Bxf6 Bxf6 11. Nc4 Be7 12. Nd5 Be6 13. Ncb6 Rb8 14. 0-0 Nb4 15. c3 Nxd5 16. Nxd5 Re8 17. Qd3 Bf8 18. Ne3 Qg5 19. c4 g6 20. Bf3 Kh8 21. Rac1 f5 22. Rc3 h5 23. Kh1 Rbd8 24. Nd5 Rd7 25. Qe3 f4 26. Qe2 Rh7 27. Rd1 Kg7 28. Nc7 Re7 29. Nxe6+ Rxe6 30. b4 Qh6 31. c5 g5 32. cxd6 Bxd6 33. Rcd3 g4 34. Qd2 gxf3 35. Rxd6 fxg2+ 36. Kxg2 Qg6+ 37. Kh1 Qxe4+ 38. Kg1 Rg6+ 39. Rxg6+ Qxg6+ 40. Kf1 f3 41. Qe3 Qf5 42. Qb6 Qf7 43. Ke1 Rh6 44. Qd8 Qxa2 45. Qg5+ Kf7 46. Rd7+ Ke6 47. Re7+ Kd5 48. Qxe5+ Kc4 49. Qc5+ Kb3 50. Re3+ Kb2 51. Qc3+ Kb1 52. Kf1 Qb2 53. Re1+ Ka2 54. Qxf3 Rc6 55. Re2 Rc1+ 56. Kg2 Rc2 57. Rxc2 Qxc2 58. Qxb7 Qg6+ 59. Kf3 Qd3+ 60. Kg2 Qg6+ 61. Kf1 Qd3+ 62. Ke1 Ka3 63. Qb6 Qb1+ 64. Ke2 Qe4+ 65. Kd1 1/2-1/2

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "4.1"]
[White "Pinzon, Jairo David"]
[Black "Tineo Mojica, Ivan Esteban"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2140"]
[BlackElo "1698"]
[PlyCount "65"]
[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 "Arauca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 h6 4. e3 Nf6 5. Nc3 a6 6. Qc2 Be7 7. Bd3 dxc4 8. Bxc4 c5 9. 0-0 0-0 10. a3 b5 11. Ba2 Bb7 12. dxc5 Qc7 13. b4 Ng4 14. Ne4 Nc6 15. Bb2 a5 16. Qc3 Nf6 17. Ng3 Rfd8 18. Bb3 Ne8 19. Bc2 Bf6 20. Qb3 Be7 21. Rad1 Rab8 22. Bb1 Nf6 23. Bc3 Nd5 24. Bd2 Nf6 25. Qc2 Ne5 26. Nxe5 Qxe5 27. Bc3 Qc7 28. Nh5 Qc6 29. f3 axb4 30. axb4 Kf8 31. Nxg7 Kxg7 32. Qh7+ Kf8 33. Qh8+ 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.20"]
[Round "3.2"]
[White "Pinzon, Jairo David"]
[Black "Arciniegas Castro, Santiago"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2140"]
[BlackElo "1985"]
[PlyCount "74"]
[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 "Santander"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d5 6. e5 Qd8 7. f4 c5 8. Nf3 Nc6 9. Be2 Qb6 10. b3 Bd7 11. Qd3 cxd4 12. Nxd4 Nxd4 13. cxd4 Bb4+ 14. Kf2 Rc8 15. a3 Be7 16. Rd1 a6 17. a4 Bb4 18. Ra2 0-0 19. Rc2 Rxc2 20. Qxc2 Rc8 21. Qd3 Qa7 22. g4 b5 23. a5 Bxa5 24. f5 exf5 25. gxf5 Bb6 26. Bh5 Qc7 27. Kg3 Qc2 28. Bg4 h5 29. Bh3 h4+ 30. Kxh4 Qxh2 31. Rf1 Bd8+ 32. f6 g5+ 33. Kxg5 Bxh3 34. Rf3 Rc2 35. Rxh3 Rg2+ 36. Kh5 Qf4 37. Qe3 Qg4+ 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "2.1"]
[White "Pinzon, Jairo David"]
[Black "Florez Salazar, Luis Angel"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2140"]
[BlackElo "2137"]
[PlyCount "65"]
[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 "Cauca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg4 7. Qb3 Qb6 8. h3 Bh5 9. cxd5 Qxb3 10. axb3 exd5 11. Bd2 Nbd7 12. g4 Bg6 13. g5 Ne4 14. Nxg6 hxg6 15. Nxe4 dxe4 16. b4 Be7 17. Rg1 Rh4 18. Rg3 Nf8 19. b5 Ne6 20. bxc6 bxc6 21. Ra5 Bd8 22. Ra6 Kd7 23. Bc4 Bb6 24. d5 cxd5 25. Bxd5 Rah8 26. Ba5 Nc7 27. Bxb6 Nxa6 28. Bxa7 Ke7 29. Bd4 Rxh3 30. Rxh3 Rxh3 31. Bxg7 Nc5 32. Kf1 Rh7 33. Be5 1/2-1/2

[Event "Sunnyvale 1000 Schev 1 11"]
[Site "Sunnyvale"]
[Date "2023.11.12"]
[Round "5.4"]
[White "Pinzon, Jairo David"]
[Black "Guo, Ethan"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2140"]
[BlackElo "2026"]
[PlyCount "39"]
[EventDate "2023.11.10"]
[EventType "schev"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Nf3 a6 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Bd6 11. Bxd6 Qxd6 12. Rac1 0-0 13. Na4 Ne4 14. Nc5 Nxc5 15. Rxc5 Rac8 16. Rfc1 e5 17. Qc3 exd4 18. Nxd4 Nxd4 19. Qxd4 Rxc5 20. Qxc5 0-1

[Event "Sunnyvale 1000 Schev 1 11"]
[Site "Sunnyvale"]
[Date "2023.11.12"]
[Round "4.6"]
[White "Pinzon, Jairo David"]
[Black "Hsiao, Ethan"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "2140"]
[BlackElo "2020"]
[PlyCount "77"]
[EventDate "2023.11.10"]
[EventType "schev"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 c5 5. Nf3 Nc6 6. a3 a5 7. Be2 Be7 8. 0-0 0-0 9. cxd5 exd5 10. Nb5 Bg4 11. b3 Qb6 12. a4 Rac8 13. Bb2 Nb4 14. dxc5 Bxc5 15. h3 Bh5 16. Bd4 Bg6 17. Rc1 Na2 18. Rxc5 Rxc5 19. Qd2 Nb4 20. Bxc5 Qxc5 21. Rc1 Qb6 22. Qd4 Qe6 23. Qa7 Qa6 24. Rc7 Ne8 25. Rxb7 Qc6 26. Nbd4 Qc1+ 27. Kh2 Nd3 28. Bxd3 Bxd3 29. Qxa5 Nd6 30. Qc7 Qa3 31. Rb8 Ne4 32. Nf5 Nf6 33. Ne7+ Qxe7 34. Qxe7 Rxb8 35. Ne5 Bg6 36. Nxg6 hxg6 37. b4 g5 38. a5 g4 39. a6 1-0

[Event "Sunnyvale 1000 Schev 1 11"]
[Site "Sunnyvale"]
[Date "2023.11.11"]
[Round "2.3"]
[White "Pinzon, Jairo David"]
[Black "Min, Ryan"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2140"]
[BlackElo "1967"]
[PlyCount "105"]
[EventDate "2023.11.10"]
[EventType "schev"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. g3 Bg7 5. Bg2 0-0 6. e3 d5 7. Ne2 c6 8. 0-0 f5 9. b3 Nd7 10. c4 Nf6 11. Nbc3 Be6 12. Qd3 h5 13. Nf4 g5 14. cxd5 cxd5 15. Nh3 Ne4 16. Rac1 Rc8 17. f3 Nxc3 18. Rxc3 Rxc3 19. Qxc3 Bf6 20. f4 g4 21. Nf2 Qb6 22. Nd3 Be7 23. Rc1 Bd6 24. Kf2 h4 25. Qd2 h3 26. Bf1 Rc8 27. Rxc8+ Bxc8 28. Ne5 Be6 29. Qc2 Kg7 30. Nd3 Kf6 31. Nc5 Qc7 32. Bd3 b6 33. Na4 Qxc2+ 34. Bxc2 Bd7 35. Nc3 Ke6 36. Bd3 Bb4 37. Nb1 a5 38. Ke2 Bd6 39. Kd1 b5 40. Nc3 b4 41. Ne2 Bf8 42. Ba6 Kd6 43. Nc1 Kc6 44. Bf1 Bd6 45. Nd3 Kb6 46. Kd2 Bb5 47. Be2 Bd7 48. Ne5 Bxe5 49. dxe5 Be6 50. Bd1 Kc6 51. Bc2 Kb6 52. Kd3 Kc5 53. Kd2 1/2-1/2

[Event "Sunnyvale 1000 Schev 1 11"]
[Site "Sunnyvale"]
[Date "2023.11.11"]
[Round "3.1"]
[White "Zhou, Ruoyu"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1990"]
[BlackElo "2140"]
[PlyCount "35"]
[EventDate "2023.11.10"]
[EventType "schev"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 Bd6 11. Nxd6+ cxd6 12. Bf4 Qc5 13. Ng5 0-0 14. Ne4 Qf5 15. Bxd6 Rfd8 16. Bg3 Rd7 17. a3 h6 18. Qf3 1/2-1/2

[Event "Sunnyvale 1000 Schev 1 11"]
[Site "Sunnyvale"]
[Date "2023.11.10"]
[Round "1.5"]
[White "Shi, Roger V"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "1970"]
[BlackElo "2140"]
[PlyCount "105"]
[EventDate "2023.11.10"]
[EventType "schev"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bg4 6. h3 h5 7. d4 Qf6 8. dxe5 dxe5 9. hxg4 hxg4 10. Bg5 Qe6 11. Bxc6+ bxc6 12. Nh2 g3 13. Ng4 Bc5 14. Qf3 Qg6 15. Qxg3 Qxg5 16. Qxe5+ Qxe5 17. Nxe5 Bd4 18. Nd3 Nf6 19. Nd2 0-0-0 20. Rae1 Rh5 21. Nf3 Ra5 22. Nb4 Kb7 23. e5 Ng4 24. Re4 Bxf2+ 25. Rxf2 Nxf2 26. Kxf2 c5 27. Nd3 Rxa2 28. Nxc5+ Kb6 29. Na4+ Ka5 30. Nc5 Rxb2 31. Ke3 Rd5 32. Nb3+ Kb6 33. Rc4 Rb1 34. Ke4 Rd8 35. Nfd4 Re1+ 36. Kf4 Rf1+ 37. Kg3 Rd5 38. Rb4+ Rb5 39. Nxb5 axb5 40. Rf4 Re1 41. Rxf7 Rxe5 42. Rxg7 Re3+ 43. Kf4 Rc3 44. Rg6+ Ka7 45. Nd4 Rc4 46. Ke3 Kb7 47. Kd3 Rc5 48. g4 b4 49. Ne2 c6 50. Rf6 Rg5 51. Rf4 c5 52. Kc4 Kc7 53. Ng3 1-0

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.17"]
[Round "4"]
[White "Min, Ryan"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1878"]
[BlackElo "2182"]
[PlyCount "119"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Bb2 Re8 9. Bd3 Qe7 10. 0-0 e5 11. dxe5 Nxe5 12. Nd4 Nxd3 13. Qxd3 dxc4 14. bxc4 Bc7 15. h3 Qe5 16. Nf3 Qh5 17. e4 Bxh3 18. gxh3 Qxh3 19. Ne5 Qh5 20. f4 Bxe5 21. fxe5 Rxe5 22. Rf5 Qg4+ 23. Kh2 Rxf5 24. exf5 Qh4+ 25. Kg2 Nh5 26. Ne2 Re8 27. Rf1 Qg4+ 28. Ng3 Nf4+ 29. Rxf4 Qxf4 30. Bxg7 Qg5 31. f6 h5 32. Kf2 h4 33. Nf5 Qf4+ 34. Kg2 Qg4+ 35. Kf2 Qf4+ 36. Kg2 Qe4+ 37. Qxe4 Rxe4 38. Nh6+ Kh7 39. Nxf7 Rxc4 40. Nd6 Rc2+ 41. Kh3 Kg6 42. Bh8 Rxa2 43. f7 Rf2 44. Bd4 Rf4 45. Be3 Rf1 46. Bxa7 b5 47. Bc5 Kg7 48. Kxh4 Rc1 49. Be3 Rf1 50. Bc5 Rxf7 51. Nxf7 Kxf7 52. Kg4 Ke6 53. Kf4 Kd5 54. Bf8 Kd4 55. Bg7+ Kd3 56. Bf8 Kc3 57. Ke3 b4 58. Bg7+ Kc4 59. Kd2 c5 60. Kc2 1/2-1/2

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.17"]
[Round "5"]
[White "Pinzon, Jairo David"]
[Black "Zhou, Ruoyu"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2182"]
[BlackElo "1915"]
[PlyCount "121"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. e3 0-0 6. cxd5 Nxd5 7. Bg3 c5 8. Bd3 Nc6 9. Nf3 cxd4 10. exd4 h6 11. 0-0 Bd6 12. Qe2 Bxg3 13. fxg3 Nf6 14. Rad1 Nb4 15. Bb1 b6 16. Rfe1 Bb7 17. Ne5 Nbd5 18. Rf1 Rc8 19. Nxd5 Nxd5 20. Qe4 f5 21. Qe2 Nf6 22. g4 Be4 23. Bxe4 fxe4 24. h4 Nd5 25. Qxe4 Qc7 26. g5 hxg5 27. hxg5 Qd8 28. Qg4 Qd6 29. Qh4 Rxf1+ 30. Rxf1 Rf8 31. Rxf8+ Qxf8 32. Ng6 Qf5 33. Qh8+ Kf7 34. Ne5+ Ke7 35. Qxg7+ Ke8 36. Qxa7 Ne3 37. Qa8+ Ke7 38. Qa3+ Kd8 39. Qxe3 b5 40. g6 Qf6 41. Qg5 Qxg5 42. Nf7+ Ke7 43. Nxg5 Kf6 44. g7 Kxg7 45. Nxe6+ Kf6 46. Nc7 b4 47. a4 bxa3 48. bxa3 Ke7 49. g4 Kd6 50. g5 Ke7 51. a4 Kf7 52. a5 Kg6 53. a6 Kxg5 54. a7 Kf4 55. a8Q Ke3 56. d5 Kd4 57. d6 Kc5 58. d7 Kb6 59. d8Q Kc5 60. Qdd5+ Kb6 61. Qab7# 1-0

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.17"]
[Round "3"]
[White "Wang, Andrew2222"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1888"]
[BlackElo "2182"]
[PlyCount "102"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 0-0 13. Nd2 Nxd2 14. Qxd2 f6 15. Rae1 fxe5 16. fxe5 Rxf1+ 17. Rxf1 Qe7 18. e6 Bxd4 19. Bxd4 Bxe6 20. Qe3 Re8 21. Bc5 Qd7 22. Qf4 Bf7 23. Bxa7 Bg6 24. Bc5 h6 25. h4 Bxc2 26. Qd2 Bg6 27. Rf3 Qg4 28. Qf2 Re4 29. b4 Rc4 30. a4 Be4 31. Rf4 Qh5 32. Qg3 Qd1+ 33. Rf1 Qxa4 34. Rf8+ Kh7 35. Qe5 Qd1+ 36. Kh2 Rc1 37. Rf2 Qh1+ 38. Kg3 Rg1 39. Qb2 Rd1 40. Rd2 Qe1+ 41. Rf2 Bxg2 42. Qe2 Qxe2 43. Rxe2 Be4 44. Rf2 Rd3+ 45. Kf4 Kg6 46. Ke5 Kh5 47. Be7 Rh3 48. Rf4 Re3 49. Ke6 Re2 50. Kd7 d4 51. Rf1 d3 0-1

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.16"]
[Round "1"]
[White "Bhatta, Rohit"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1775"]
[BlackElo "2182"]
[PlyCount "111"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Qc2 Nf6 5. g3 Nbd7 6. Bg2 Be7 7. 0-0 0-0 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 12. Re1 a5 13. Nf1 Ba6 14. h4 Qc7 15. Qd1 Rc8 16. Ne3 g6 17. Bd2 Ng7 18. Nh2 f6 19. Rc1 Qb8 20. Rxc8 Qxc8 21. exf6 Nxf6 22. Nxd5 Nxd5 23. Bxd5 Bf6 24. Bg2 Bxd4 25. Be3 Bxe3 26. Rxe3 Rd8 27. Qb1 Rd2 28. Nf3 Rc2 29. Rc3 Rxc3 30. bxc3 Qc7 31. Ng5 Bc4 32. Ne4 Ne8 33. Nd2 Bd5 34. Bxd5 exd5 35. Qd3 Nf6 36. Qd4 Qc6 37. c4 Kf7 38. Nf3 Qc5 39. Ng5+ Ke7 40. Qe5+ Kd7 41. Qxf6 dxc4 42. Ne4 Qb4 43. Qd4+ Kc6 44. Nc3 Qc5 45. Qe4+ Kc7 46. Nd5+ Kd6 47. Nc3 b5 48. Qb7 Qb4 49. Qd5+ Ke7 50. Nxb5 Qb1+ 51. Kg2 Qxa2 52. Qe5+ Kf8 53. Qf6+ Kg8 54. Nd4 c3 55. Ne6 Qd5+ 56. Kh2 1-0

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.16"]
[Round "2"]
[White "Pinzon, Jairo David"]
[Black "Suarez, Sebastian"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2182"]
[BlackElo "1933"]
[PlyCount "56"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qa4 e6 5. Nc3 Nbd7 6. cxd5 exd5 7. Bg5 Bd6 8. e3 0-0 9. Bd3 Qb6 10. Qc2 h6 11. Bh4 Re8 12. 0-0 Qc7 13. Rfc1 a6 14. Rab1 g5 15. Bg3 Bxg3 16. hxg3 Qd6 17. b4 Nf8 18. a4 Be6 19. b5 axb5 20. axb5 c5 21. dxc5 Qxc5 22. Qb2 Qd6 23. Nd4 N8d7 24. Rd1 Ne5 25. Be2 Rec8 26. Ra1 Rxa1 27. Rxa1 Bd7 28. Na4 Ne4 1/2-1/2

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "9"]
[White "Palencia Morales, Wilson Guillermo"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2286"]
[BlackElo "2182"]
[PlyCount "92"]
[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. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Bg5 Bd6 7. e3 0-0 8. Bd3 Re8 9. 0-0 Bg4 10. h3 Bh5 11. g4 Bg6 12. Bxg6 hxg6 13. Qd3 Nbd7 14. Nd2 Qb6 15. Bh4 Re6 16. f3 Rae8 17. Bf2 Qxb2 18. Rab1 Qa3 19. Rb3 Qa5 20. Rxb7 Bg3 21. Bxg3 Rxe3 22. Nb3 Rxd3 23. Nxa5 Rxc3 24. Be1 Rc2 25. Rxa7 Nf8 26. Bg3 Ne6 27. Nb3 Ng5 28. h4 Nh3+ 29. Kh1 Ree2 30. Ra8+ Kh7 31. a4 Re3 32. Nc5 Nxg4 33. Nd7 Nf6 34. Nxf6+ gxf6 35. a5 f5 36. Be5 g5 37. h5 Rxe5 38. dxe5 d4 39. Rd8 c5 40. Rd7 Kh6 41. a6 Kxh5 42. e6 Kh4 43. e7 Kg3 44. Rg1+ Nxg1 45. e8Q Nxf3 46. Qb8+ f4 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "8"]
[White "Valle, Efrain"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1974"]
[BlackElo "2182"]
[PlyCount "107"]
[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. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 a5 10. a3 Be6 11. Nd2 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Nc4 Be4 15. Nb6 Qxd1 16. Raxd1 Rad8 17. c3 Bc2 18. Rxd8 Rxd8 19. Rc1 Bb3 20. a4 f5 21. Bc4+ Bxc4 22. Nxc4 Kf7 23. Bb6 Rd5 24. Kf1 Ke6 25. Ke2 Bd8 26. Bxd8 Rxd8 27. f3 g6 28. Rd1 Rd5 29. Rd3 h6 30. Nb6 Rxd3 31. Kxd3 g5 32. g3 h5 33. Nc4 g4 34. Ke2 f4 35. Nd2 Kd5 36. b3 b6 37. Ne4 Ke6 38. Nd2 Ne7 39. Kd3 Kf5 40. Ke2 Nd5 41. Ne4 Nf6 42. Nd6+ Ke6 43. Nc4 Nd5 44. fxg4 hxg4 45. gxf4 exf4 46. Kd3 Kf5 47. Kd4 Ke6 48. Nd2 Nf6 49. b4 Kf5 50. bxa5 bxa5 51. c4 Kg5 52. Ne4+ Nxe4 53. Kxe4 f3 54. Ke3 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.09"]
[Round "7"]
[White "Pinzon, Jairo David"]
[Black "Clavijo Romero, Leonardo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2182"]
[BlackElo "1814"]
[PlyCount "117"]
[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. Bg5 h6 3. Bh4 c6 4. e3 Qb6 5. b3 e5 6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 Nd7 9. 0-0 e4 10. Be2 Be7 11. Bg3 Ngf6 12. c4 0-0 13. Nc3 Rac8 14. a4 Qd8 15. c5 a5 16. Qd2 Ra8 17. Na2 Ra7 18. Rfb1 Qa8 19. Bc7 Bd8 20. Bd6 Re8 21. Qc2 Nf8 22. b4 axb4 23. Rxb4 Ba5 24. Rb2 Ne6 25. Nc3 Bc7 26. Bxc7 Nxc7 27. h3 g6 28. Ra3 Ne6 29. Rba2 Ra5 30. Nb1 Rb8 31. Nd2 Rc8 32. Nb3 Ra7 33. a5 Nc7 34. Qc3 Nd7 35. Na1 Nb8 36. Nc2 Nca6 37. Rb3 Kg7 38. Bg4 Rc7 39. Na3 Nd7 40. Be2 Nf8 41. Nc2 Ne6 42. Nb4 Nxb4 43. Qxb4 Qc8 44. Rba3 Qd7 45. Bg4 f5 46. Be2 Qe7 47. g3 Ra8 48. a6 bxa6 49. Rxa6 Rca7 50. Rxa7 Rxa7 51. Rb2 Nd8 52. Qb8 Rb7 53. Rxb7 Nxb7 54. Ba6 Nd8 55. Bc8 h5 56. h4 Kh6 57. Kf1 Ne6 58. Qe5 Qa7 59. Qh8+ 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "5"]
[White "Pinzon, Jairo David"]
[Black "Hurtado Paez, Andres Jesus"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2182"]
[BlackElo "1624"]
[PlyCount "105"]
[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 Nf6 2. c4 d5 3. Nc3 e6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Bg4 8. Qc2 Bh5 9. Nge2 Bg6 10. Bxg6 hxg6 11. Ng3 Nbd7 12. a3 Bd6 13. Nce2 Qa5+ 14. Qd2 Qxd2+ 15. Kxd2 Ne4+ 16. Nxe4 dxe4 17. Bf4 Bxf4 18. Nxf4 Ke7 19. b4 Rad8 20. h4 Nb6 21. g3 Nd5 22. Ne2 f5 23. Nc3 Nxc3 24. Kxc3 Rd5 25. a4 a5 26. Rhb1 axb4+ 27. Rxb4 b5 28. axb5 cxb5 29. Ra7+ Kf6 30. Ra6+ Kf7 31. Rb6 Rc8+ 32. Kb2 Rd7 33. R4xb5 Rcc7 34. h5 gxh5 35. Rxf5+ Kg8 36. Rxh5 Rc8 37. Rbb5 Rf7 38. Rhf5 Re7 39. Rbc5 Rb7+ 40. Kc3 Rcb8 41. Kc4 Rd8 42. d5 Rb1 43. Kd4 g6 44. Rf6 Kg7 45. Rfc6 Rb2 46. Rc2 Rb4+ 47. Ke5 Rb5 48. Rd2 Re8+ 49. Re6 Rf8 50. Re7+ Kh6 51. Kxe4 Rf5 52. f4 Rb4+ 53. Rd4 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "6"]
[White "Rojas Barrero, Andres Humberto"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "C74"]
[WhiteElo "2135"]
[BlackElo "2182"]
[PlyCount "106"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. 0-0 Bd3 8. Re1 Be7 9. Re3 Bg6 10. d4 e4 11. d5 b5 12. Bc2 exf3 13. Bxg6+ hxg6 14. dxc6 fxg2 15. Qg4 Kf8 16. Rf3+ Bf6 17. Na3 Qe8 18. Nc2 Qe5 19. Qxg2 Qe2 20. Nd4 Qe1+ 21. Qf1 Qxf1+ 22. Kxf1 Kf7 23. a4 bxa4 24. Rxa4 Rxh2 25. Bf4 Rh5 26. Rb4 Bxd4 27. cxd4 Ke6 28. Rb7 Rc8 29. Ra7 Rf5 30. Rxa6 Kd5 31. Ra5+ Kxc6 32. Rxf5 gxf5 33. Rg3 Nf6 34. Rg5 Rb8 35. Rxf5 Rxb2 36. Be3 Rb5 37. Rf3 Ng4 38. Rg3 Nxe3+ 39. fxe3 Rf5+ 40. Ke2 Rf7 41. Kd3 Kd5 42. Rg6 Kc6 43. e4 Kd7 44. d5 Ke7 45. Kd4 Kf8 46. Rg1 Re7 47. Rh1 Kg8 48. Rg1 Re5 49. Rc1 Re7 50. Rg1 Rf7 51. Rg2 Rf8 52. Rc2 Rc8 53. Ra2 Rf8 1/2-1/2

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "4"]
[White "Acosta Cruz, Luis Ivan"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1579"]
[BlackElo "2182"]
[PlyCount "30"]
[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. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. cxd5 exd5 7. Qb3 Bd6 8. e4 dxe4 9. Ng5 0-0 10. Ncxe4 Nxe4 11. Nxe4 Re8 12. Bd3 Nf6 13. f3 Nxe4 14. Bxe4 Be6 15. Qc2 f5 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "3"]
[White "Pinzon, Jairo David"]
[Black "Morales Perez, Ghisell Gabriela"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2182"]
[BlackElo "1447"]
[PlyCount "87"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 c5 7. d5 e6 8. Nf3 Re8 9. Be2 exd5 10. exd5 Bf5 11. 0-0 Na6 12. Bf4 Nb4 13. a3 Nc2 14. Rc1 Nd4 15. Nxd4 cxd4 16. Nb5 Ne4 17. Nxd4 Bd7 18. Be3 h5 19. Bd3 Ng5 20. Re1 Rc8 21. Qd2 Nh7 22. b4 b6 23. b5 Nf6 24. Bg5 Qc7 25. Nc6 Bxc6 26. bxc6 Nh7 27. Bf4 Be5 28. Bxe5 Rxe5 29. Rxe5 dxe5 30. c5 Rd8 31. cxb6 axb6 32. Bc4 Nf6 33. Qa2 Kg7 34. Qb3 Ne4 35. Qe3 Nf6 36. Rd1 Re8 37. Rb1 Rb8 38. a4 Ne8 39. Qb3 Nd6 40. Bf1 f6 41. a5 Nc8 42. Ba6 b5 43. Bxc8 Qxc8 44. Qb4 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "1"]
[White "Gomez Guardo, Laura Melissa"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1834"]
[BlackElo "2182"]
[PlyCount "75"]
[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 c5 2. d5 b5 3. e4 a6 4. c4 b4 5. Qc2 d6 6. Be3 g6 7. Nd2 Bg7 8. f4 Nf6 9. h3 0-0 10. Bd3 e6 11. Ne2 exd5 12. exd5 Re8 13. Bf2 a5 14. 0-0 a4 15. Rae1 a3 16. b3 Nbd7 17. Nf3 Qc7 18. g4 Nf8 19. Kg2 Ra7 20. Ng3 h6 21. g5 Rxe1 22. Rxe1 hxg5 23. Nxg5 Qd8 24. Rh1 Bh6 25. h4 Bg4 26. f5 Nh5 27. Be3 f6 28. Nf7 Rxf7 29. Bxh6 Nxg3 30. Kxg3 gxf5 31. Bxf5 Bxf5 32. Qxf5 Qd7 33. Kf4 Rh7 34. Rg1+ Kf7 35. Qxh7+ Nxh7 36. Rg7+ Ke8 37. Rxd7 Kxd7 38. Kf5 1-0

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.18"]
[Round "8"]
[White "Sivakumar, Shaaketh"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2337"]
[BlackElo "2220"]
[PlyCount "83"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. Bg5 f6 9. d4 exd4 10. cxd4 Bb6 11. Bh4 Be6 12. Re1 Qd7 13. Nc3 Nce7 14. Rxe6 Qxe6 15. Qe1 Qd7 16. Qxe7 Qxe7 17. Nxd5 Qd8 18. Nxb6+ Kh8 19. Nxa8 Qxa8 20. d5 Rd8 21. Bg3 b5 22. Bb3 c5 23. d6 a5 24. Rd1 c4 25. Bc2 g6 26. Bh4 Kg7 27. Nd4 Kf7 28. Nxb5 a4 29. Bg3 Qa5 30. Nd4 Qa6 31. a3 Rxd6 32. Bxd6 Qxd6 33. Bxa4 Qb6 34. Bb5 Qc5 35. a4 Qb4 36. h3 h5 37. Rc1 Qd2 38. Bxc4+ Kg7 39. Nb3 Qxb2 40. a5 Qa3 41. Ra1 Qb4 42. a6 1-0

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.18"]
[Round "9"]
[White "Sun, Kevin"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "1759"]
[BlackElo "2220"]
[PlyCount "106"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[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. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Nxd4 9. Qxd4 a6 10. Bxf6 gxf6 11. f4 b5 12. f5 Qa5 13. Kb1 b4 14. Ne2 Qc5 15. Ng3 Qxd4 16. Rxd4 a5 17. Be2 Rg8 18. Bf3 Ba6 19. Rhd1 Rb8 20. Bh5 Kf8 21. R4d2 Rb6 22. Be2 Bxe2 23. Rxe2 Rg5 24. Rd3 h5 25. h4 Rg4 26. Nxh5 Rxh4 27. Ng3 Rc6 28. b3 Bd8 29. Kb2 Bb6 30. fxe6 fxe6 31. a4 Ke7 32. Nf1 Rc8 33. Nd2 e5 34. Nf3 Rg4 35. c4 Rcg8 36. Rdd2 Ke6 37. Kc2 Bc5 38. Nh2 Rf4 39. Nf3 Rg3 40. Rd3 Rgg4 41. Nd2 Rf2 42. Rxf2 Bxf2 43. Rh3 Rxg2 44. Kd1 Bd4 45. c5 Bxc5 46. Nc4 Rg4 47. Nxa5 Rxe4 48. Nb7 Rg4 49. Rh2 Rg1+ 50. Kc2 f5 51. Kd3 Kd5 52. Rh5 f4 53. Rf5 Rg3+ 0-1

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.17"]
[Round "6"]
[White "Champsi, Imran"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1944"]
[BlackElo "2220"]
[PlyCount "71"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. b3 Nf6 4. Bb2 e6 5. d4 Nc6 6. Be2 Bd6 7. 0-0 0-0 8. h3 b6 9. c4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Ba6 12. Nc3 Bc5 13. Qh4 dxc4 14. Bxc4 Bxc4 15. Qxc4 Rc8 16. Rfd1 Qe7 17. Qa6 Bb4 18. Rac1 h6 19. Nd5 Nxd5 20. Rxc8 Rxc8 21. Qxc8+ Kh7 22. Qc4 Bc5 23. Qd3+ f5 24. Bd4 Bd6 25. e4 Nb4 26. Qd2 fxe4 27. Bxg7 e3 28. Qxe3 Kxg7 29. Qd4+ Kf7 30. Qxd6 Nxa2 31. Qf4+ Kg7 32. Qe5+ Kg6 33. Rd3 a5 34. Rg3+ Kh7 35. Qe4+ Kh8 36. Qa8+ 1-0

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.17"]
[Round "7"]
[White "Pinzon, Jairo David"]
[Black "Deng, Henry"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2220"]
[BlackElo "2212"]
[PlyCount "78"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 f6 3. Bf4 Nc6 4. Nf3 g5 5. Bg3 g4 6. Nh4 f5 7. h3 e5 8. hxg4 f4 9. Bxf4 exf4 10. Ng6 Qf6 11. Nxh8 Qxh8 12. Nc3 Bxg4 13. Qd2 Bh6 14. f3 Be6 15. g3 Qg7 16. g4 0-0-0 17. 0-0-0 Bg5 18. Kb1 Nge7 19. Na4 Kb8 20. Nc5 Bc8 21. c3 Na5 22. b3 b6 23. Nd3 Ng6 24. Nf2 h6 25. Nh3 Re8 26. Nxg5 hxg5 27. Rh5 Nh4 28. Qc2 Re7 29. c4 dxc4 30. bxc4 Bd7 31. d5 Be8 32. c5 Bg6 33. Rd3 Bxd3 34. Qxd3 Nb7 35. d6 Rd7 36. Qd5 Nxc5 37. Rxg5 Rxd6 38. Qxc5 Rd1+ 39. Kc2 Qh7+ 0-1

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.16"]
[Round "4"]
[White "Jiang, Lucas"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "C72"]
[WhiteElo "2325"]
[BlackElo "2220"]
[PlyCount "54"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bg4 6. h3 h5 7. d4 b5 8. Bb3 Bxf3 9. Qxf3 Nf6 10. c3 exd4 11. Rd1 Ne5 12. Qe2 d3 13. Qe1 c5 14. Bd5 Nxd5 15. exd5 Be7 16. f4 Ng6 17. Rxd3 0-0 18. Be3 Re8 19. Qf2 Qd7 20. Na3 Nh4 21. Nc2 Nf5 22. Qf3 h4 23. Re1 Bf6 24. Rdd1 g6 25. Bf2 a5 26. Rxe8+ Rxe8 27. a3 Kg7 1/2-1/2

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.15"]
[Round "2"]
[White "Mei, Austin"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "2274"]
[BlackElo "2220"]
[PlyCount "140"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 7. Be2 exd4 8. Qxd4 Nc6 9. Qxg7 Bf6 10. Qg3 d6 11. 0-0 Nge7 12. Bg5 Bxg5 13. Qxg5 Rg8 14. Qe3 Bg4 15. Nbd2 Qd7 16. Rab1 0-0-0 17. Kh1 f5 18. Nd4 Bxe2 19. Qxe2 Nxd4 20. cxd4 fxe4 21. Qxe4 Qc6 22. Qe6+ Qd7 23. Qb3 b6 24. f3 Nf5 25. Ne4 Qg7 26. Rf2 Nxd4 27. Qc4 Kb8 28. Nc3 Qe5 29. Rd1 c5 30. Nd5 Rg5 31. Nc3 d5 32. Qd3 Rg7 33. a4 Re7 34. Nb5 Nxb5 35. Qxb5 Qe3 36. Rff1 Rd6 37. Qb2 d4 38. a5 Qe2 39. Qb3 b5 40. Qg8+ Kb7 41. Qg3 Qe6 42. f4 c4 43. f5 Qd5 44. f6 Rf7 45. Qg8 d3 46. h3 Rdd7 47. a6+ Kxa6 48. Qc8+ Qb7 49. Qc5 Qb6 50. Qc8+ Ka5 51. Ra1+ Kb4 52. Rfc1 Qc7 53. Qa6 Kc5 54. Rab1 Qb6 55. Qc8+ Qc6 56. Qe8 Qxf6 57. Qe3+ Qd4 58. Qg5+ Qd5 59. Qe3+ Kc6 60. Ra1 Qd4 61. Qe6+ Kc7 62. Rd1 d2 63. Qa6 Qb6 64. Qa2 c3 65. Qb3 Qc5 66. Qc2 Kb7 67. Qe4+ Qd5 68. Qe3 Qd4 69. Qg5 a6 70. Qh6 Rf6 0-1

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.15"]
[Round "1"]
[White "Pinzon, Jairo David"]
[Black "Champsi, Imran"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "2220"]
[BlackElo "1944"]
[PlyCount "81"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c5 5. Nc3 Nc6 6. a3 a6 7. dxc5 dxc4 8. Qxd8+ Nxd8 9. Na4 Nd7 10. Bxc4 Bxc5 11. Nxc5 Nxc5 12. b4 Ne4 13. Bb2 0-0 14. Bd3 Nf6 15. Ng5 Nc6 16. Bxf6 h6 17. Ne4 gxf6 18. Nxf6+ Kg7 19. Nh5+ Kg8 20. Ke2 Ne5 21. Rhd1 Nxd3 22. Rxd3 e5 23. Nf6+ Kg7 24. Nd7 e4 25. Rd4 Bxd7 26. Rxd7 Rac8 27. Rad1 Rc2+ 28. R1d2 Rfc8 29. Rxb7 Rxd2+ 30. Kxd2 Rd8+ 31. Kc2 Rd3 32. a4 Ra3 33. a5 Ra2+ 34. Kb3 Rxf2 35. b5 axb5 36. a6 Rf6 37. a7 Ra6 38. Kb4 Kf6 39. Kxb5 Ra2 40. Rb6+ Kg5 41. Ra6 1-0

[Event "Milpitas"]
[Site "Milpitas"]
[Date "2023.07.15"]
[Round "3"]
[White "Pinzon, Jairo David"]
[Black "Nathan, Nitish"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2220"]
[BlackElo "2179"]
[PlyCount "145"]
[EventDate "2023.07.14"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nf6 3. Bxf6 exf6 4. e3 c6 5. c4 dxc4 6. Bxc4 Bb4+ 7. Nc3 0-0 8. a3 Be7 9. Nge2 f5 10. 0-0 Nd7 11. Nf4 Nb6 12. Ba2 Bd6 13. Nd3 Kh8 14. Rc1 Be6 15. Bb1 Nd5 16. Nxd5 Bxd5 17. g3 Qe7 18. Qd2 g6 19. Nc5 b6 20. Na4 Qg5 21. Nc3 Bf3 22. Bc2 Rac8 23. Bd1 Qg4 24. Bxf3 Qxf3 25. Qd1 Qxd1 26. Rfxd1 Rfd8 27. Rc2 Rd7 28. Rcd2 Be7 29. Kf1 Kg7 30. Ke2 Bf6 31. Na4 Rdc7 32. b4 Kf8 33. Rc2 Ke8 34. Rdc1 Kd7 35. Kd3 Re8 36. Nc3 Rcc8 37. b5 c5 38. Nd5 Bg7 39. dxc5 Rxc5 40. Rxc5 bxc5 41. Rc4 Kd6 42. Nc3 Bxc3 43. Kxc3 Rb8 44. Ra4 Rxb5 45. Rxa7 Ke6 46. Rc7 Ra5 47. Kb3 h5 48. a4 Kf6 49. Rb7 Ke5 50. Rb5 Ra7 51. Rxc5+ Ke4 52. Rc2 Kd3 53. Rc3+ Ke2 54. f4 Kf3 55. Kb4 Rb7+ 56. Kc5 Rc7+ 57. Kd4 Ra7 58. Ra3 Kg2 59. Ra2+ Kf3 60. a5 Rd7+ 61. Kc5 Kxe3 62. a6 Rd8 63. a7 Ra8 64. Kb6 h4 65. Kb7 Re8 66. a8Q Rxa8 67. Rxa8 Kf3 68. Ra3+ Kg4 69. Kc6 f6 70. Kd5 g5 71. fxg5 fxg5 72. Ke5 h3 73. Rb3 1-0

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.04"]
[Round "8"]
[White "Champsi, Imran"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1944"]
[BlackElo "2220"]
[PlyCount "86"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Bf5 3. c4 e6 4. Nc3 c6 5. b3 h6 6. Bb2 Nf6 7. Be2 Nbd7 8. 0-0 Bd6 9. Rc1 0-0 10. d4 Re8 11. h3 Qe7 12. Bd3 Bxd3 13. Qxd3 dxc4 14. Qxc4 e5 15. Rfd1 e4 16. Nd2 Rad8 17. Qe2 Bb8 18. Nf1 Nb6 19. Nb1 Bd6 20. Nbd2 Nbd5 21. Nc4 Bb8 22. a3 Qe6 23. b4 g5 24. Nh2 Kh7 25. Nd2 a6 26. Re1 Qf5 27. Rf1 Bxh2+ 28. Kxh2 g4 29. Rh1 Re6 30. hxg4 Nxg4+ 31. Kg1 Rg8 32. Nc4 Reg6 33. Kf1 b5 34. Ne5 Ndxe3+ 35. Ke1 Nxe5 36. dxe5 Nxg2+ 37. Kd2 Rd8+ 38. Kc2 e3+ 39. Kb3 Qe6+ 40. Kc3 Qxe5+ 41. Kb3 Qe6+ 42. Kc3 Rd2 43. Qxd2 Qc4# 0-1

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.04"]
[Round "9"]
[White "Pinzon, Jairo David"]
[Black "Rajaram, Rohan"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2220"]
[BlackElo "2168"]
[PlyCount "112"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. 0-0 0-0 8. Rb1 Be6 9. Nd5 Qd7 10. d3 Nd8 11. b4 Nxd5 12. cxd5 Bh3 13. e4 Bxg2 14. Kxg2 f5 15. f3 Nf7 16. Qc2 c6 17. dxc6 bxc6 18. Be3 g5 19. Rbc1 f4 20. Bd2 g4 21. Qxc6 gxf3+ 22. Rxf3 Qxc6 23. Rxc6 Ng5 24. gxf4 Nxf3 25. Kxf3 exf4 26. d4 Rad8 27. b5 Rd7 28. a4 Rf6 29. d5 Rf8 30. Bxf4 Bh6 31. Ke3 Rxf4 32. Nxf4 Rf7 33. h3 Bxf4+ 34. Kd3 Kg7 35. a5 Kf6 36. Rc8 Bg3 37. Kc4 Be1 38. a6 Ba5 39. Re8 Re7 40. Rf8+ Kg7 41. Rf4 Bb6 42. Kd3 Rf7 43. Rg4+ Kf8 44. e5 dxe5 45. Rg5 Rf3+ 46. Ke4 Re3+ 47. Kf5 Ke7 48. Rh5 Kd6 49. Rxh7 Kxd5 50. h4 Rf3+ 51. Kg6 e4 52. h5 Re3 53. Rh8 Rg3+ 54. Kh7 Ke6 55. h6 Kf7 56. Rg8 Rg6 0-1

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.03"]
[Round "7"]
[White "Pinzon, Jairo David"]
[Black "Yu, Jiangwei"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2220"]
[BlackElo "2261"]
[PlyCount "97"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e3 Nf6 2. b3 g6 3. Bb2 Bg7 4. d3 d5 5. Be2 c5 6. f4 Nc6 7. Nd2 d4 8. e4 Bh6 9. g3 e5 10. fxe5 Nxe5 11. Nc4 Nfg4 12. Nxe5 Qa5+ 13. c3 Nxe5 14. b4 Qb6 15. Qa4+ Bd7 16. Qa5 Qf6 17. bxc5 Be3 18. cxd4 Nxd3+ 19. Bxd3 Qf2+ 20. Kd1 Qxb2 21. Rb1 Qg2 22. Ne2 Qxh1+ 23. Kc2 Qf3 24. c6 0-0 25. cxd7 b6 26. Qd5 Bh6 27. Rd1 a6 28. Nc3 Bg7 29. e5 Qxd5 30. Nxd5 b5 31. Ne7+ Kh8 32. Nc6 Rad8 33. Nxd8 Rxd8 34. a4 bxa4 35. Rb1 Bf8 36. Rb7 Kg7 37. Bxa6 Ra8 38. Bc4 Rd8 39. d5 Bc5 40. Kd3 a3 41. Ke4 h5 42. d6 Bg1 43. h3 Bf2 44. g4 h4 45. Kd5 Be3 46. Kc6 Bg5 47. Ra7 Rb8 48. Rxa3 Bd8 49. Rf3 1-0

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.03"]
[Round "6"]
[White "Pullela, Sricharan"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2104"]
[BlackElo "2220"]
[PlyCount "72"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 h6 3. e4 d6 4. Bd3 g5 5. h3 Bg7 6. Qe2 Nc6 7. c3 Qe7 8. Nbd2 Bd7 9. Nc4 0-0-0 10. Be3 Kb8 11. 0-0-0 f5 12. exf5 exf5 13. d5 Ne5 14. Bd4 Nxd3+ 15. Qxd3 Nf6 16. Ne3 Ne4 17. Qc2 Rde8 18. Rhe1 Rhf8 19. Bxg7 Qxg7 20. Nd4 f4 21. Nc4 Nc5 22. b4 Ba4 23. Nb3 Nxb3+ 24. axb3 Bd7 25. Qd2 h5 26. Rxe8+ Rxe8 27. Re1 Rxe1+ 28. Qxe1 f3 29. gxf3 Bxh3 30. Qe8+ Bc8 31. Kd2 h4 32. Ne3 Qf6 33. Ke2 Qxc3 34. Qh5 h3 35. Qxg5 Qb2+ 36. Kd3 Qb1+ 0-1

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.02"]
[Round "4"]
[White "Guo, Andrew"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2321"]
[BlackElo "2220"]
[PlyCount "87"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. d5 b5 3. e4 a6 4. c4 b4 5. Nf3 d6 6. Bd3 g6 7. 0-0 Bg7 8. a3 bxa3 9. Rxa3 Nf6 10. Nc3 0-0 11. h3 e5 12. dxe6 Bxe6 13. Nd5 Nc6 14. Bg5 Re8 15. Re1 Nb4 16. b3 Bxd5 17. cxd5 Nxd3 18. Qxd3 Qb6 19. Nd2 Nd7 20. Nc4 Qb4 21. Bd2 Ne5 22. Qc2 Qb8 23. Nb2 Nd7 24. f4 Bd4+ 25. Kh2 Qd8 26. Nc4 Qf6 27. Qd3 h6 28. Qg3 Kh7 29. Qg4 Re7 30. Na5 Rae8 31. Qf3 Nb8 32. Nc4 Kg7 33. b4 g5 34. bxc5 Bxc5 35. Bc3 Bd4 36. Bxd4 Qxd4 37. Nxd6 Qb4 38. Nxe8+ Rxe8 39. Ree3 a5 40. fxg5 hxg5 41. Qg3 Kg6 42. Rab3 Qd4 43. Qd6+ f6 44. Rf3 1-0

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.02"]
[Round "5"]
[White "Pinzon, Jairo David"]
[Black "Nathan, Nitish"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2220"]
[BlackElo "2179"]
[PlyCount "79"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. d4 Nxd5 6. Nc3 Nc6 7. Nf3 Bf5 8. Bc4 e6 9. 0-0 Nb6 10. Bb3 Be7 11. a3 0-0 12. Be3 Bf6 13. h3 Rc8 14. Qe2 Na5 15. Ba2 Nac4 16. Rad1 Nd6 17. Bf4 Re8 18. Ne5 Qe7 19. Rfe1 Rcd8 20. Qf3 Bxe5 21. Rxe5 Kh8 22. Re2 Ndc4 23. d5 Qf6 24. Bc7 Rd7 25. d6 Rc8 26. a4 Na5 27. Red2 Nc6 28. Ne4 Qe5 29. Nc3 Na8 30. Nb5 a6 31. Na7 Be4 32. Nxc6 Bxc6 33. Qb3 Qg5 34. f3 Nxc7 35. h4 Qc5+ 36. Kh1 Nd5 37. Bb1 Qxd6 38. Qd3 f5 39. Qd4 Rcd8 40. a5 0-1

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.01"]
[Round "2"]
[White "Pinzon, Jairo David"]
[Black "Mei, Austin"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2220"]
[BlackElo "2274"]
[PlyCount "69"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. Nf3 Be6 7. Be2 Qe7 8. 0-0 0-0-0 9. Nxd5 Bxd5 10. Qa4 Kb8 11. a3 Qe6 12. Nd2 Qg6 13. Qg4 f5 14. Qxg6 hxg6 15. b4 Bd6 16. h3 a6 17. Bb2 g5 18. Rac1 Rh6 19. Nc4 Rdh8 20. Nxd6 cxd6 21. f3 Rc8 22. Rfd1 Rhh8 23. Kf2 Rhe8 24. Rd2 f4 25. e4 Be6 26. d4 Nxd4 27. Rxc8+ Rxc8 28. Bxd4 exd4 29. Rxd4 Rc2 30. Ke1 Kc7 31. Rd2 Rc1+ 32. Rd1 Rc2 33. Rd2 Rc3 34. Rd3 Rc2 35. Rd2 1/2-1/2

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.07.01"]
[Round "3"]
[White "Sivakumar, Shaashwath"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2242"]
[BlackElo "2220"]
[PlyCount "53"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. b3 Nbd7 6. Bd3 Bd6 7. Bb2 0-0 8. 0-0 Qe7 9. Ne5 Rd8 10. Nd2 Ba3 11. Bxa3 Qxa3 12. f4 Qd6 13. c5 Qc7 14. Rc1 Nf8 15. Rf3 Ne8 16. Rh3 f5 17. g4 Nf6 18. g5 N6d7 19. Ndf3 Nxe5 20. Nxe5 Bd7 21. g6 h6 22. Rc2 Be8 23. Rg2 Qe7 24. Rhg3 Nd7 25. Nf3 b6 26. b4 Rdb8 27. h4 1/2-1/2

[Event "Sunnyvale Independence Day op"]
[Site "Sunnyvale"]
[Date "2023.06.30"]
[Round "1"]
[White "Bansal, Advay"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2320"]
[BlackElo "2220"]
[PlyCount "111"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[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. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Nxd4 9. Qxd4 a6 10. f4 b5 11. Bxf6 gxf6 12. Kb1 Qa5 13. e5 fxe5 14. fxe5 d5 15. Bd3 b4 16. Ne2 Qc5 17. Qf4 a5 18. Rhf1 Rf8 19. Bxh7 Ba6 20. Bd3 a4 21. Rf3 Rc8 22. Nd4 Bxd3 23. Rdxd3 a3 24. b3 Qb6 25. Qd2 Rh8 26. g3 Rh5 27. Qe2 Rh7 28. h4 Kd7 29. Rf4 Rg8 30. Rdf3 Rhg7 31. Qd3 Rg4 32. Ne2 Rxf4 33. Rxf4 Ke8 34. Nd4 Bc5 35. g4 Be7 36. g5 Qc5 37. Qa6 Qc3 38. Qc6+ Qxc6 39. Nxc6 Bxg5 40. hxg5 Rxg5 41. Kc1 Kd7 42. Nxb4 Rxe5 43. Rxf7+ Kd6 44. Nd3 Rg5 45. Kd2 e5 46. Rf6+ Ke7 47. Ra6 d4 48. Nc5 Rg2+ 49. Kd3 Rg3+ 50. Ke4 Re3+ 51. Kd5 Re2 52. Rxa3 Rxc2 53. Ra7+ Kf6 54. Nd7+ Kf5 55. Nxe5 Rd2 56. Rf7+ 1-0

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.09"]
[Round "7"]
[White "Pinzon, Jairo David"]
[Black "Coca Cubillos, Jesus Alberto"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2222"]
[BlackElo "1958"]
[PlyCount "57"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 Nc6 5. Nf3 g6 6. Bf4 Bg7 7. Bb5 0-0 8. Qe2 d6 9. 0-0-0 Bg4 10. Bxc6 bxc6 11. h3 Be6 12. Nd4 Qd7 13. c4 c5 14. Nxe6 Qxe6 15. Rhe1 Rfe8 16. Qe4 dxe5 17. Bxe5 Bxe5 18. Qxe5 Qxc4 19. b3 Qa6 20. Kb1 c4 21. Rd7 Qc6 22. Qd5 Qxd5 23. Rxd5 cxb3 24. axb3 Kf8 25. Rd7 Rac8 26. Re5 e6 27. Ra5 Re7 28. Rxe7 Kxe7 29. Rxa7 1/2-1/2

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.08"]
[Round "5"]
[White "Pardo, Alejandro"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2137"]
[BlackElo "2222"]
[PlyCount "61"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 c5 2. e3 Nf6 3. Nf3 cxd4 4. exd4 d5 5. c3 Nc6 6. Bf4 Qb6 7. Qb3 e6 8. Qxb6 axb6 9. Bc7 Nd7 10. Bb5 Be7 11. Nbd2 Bd8 12. Bg3 Na7 13. Bd3 b5 14. Kd1 Nb6 15. Kc2 Bd7 16. Ne5 Bc6 17. Ndf3 f6 18. Nxc6 bxc6 19. Rhe1 Kf7 20. Re2 g6 21. Rae1 Re8 22. h4 h5 23. Ng1 Nac8 24. a3 Nd7 25. Nh3 Nf8 26. Re3 Ra7 27. Bf4 Kg7 28. f3 Bc7 29. g4 hxg4 30. fxg4 Nd6 31. g5 1-0

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.08"]
[Round "4"]
[White "Pinzon, Jairo David"]
[Black "Ocampo Betancur, Cristina Angela"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2222"]
[BlackElo "2030"]
[PlyCount "59"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e3 d5 2. b3 Nf6 3. Bb2 e6 4. f4 c5 5. Nf3 Nc6 6. Bb5 Bd6 7. 0-0 0-0 8. Bxc6 bxc6 9. d3 Re8 10. Ne5 Qc7 11. Nd2 Nd7 12. Nxd7 Bxd7 13. Qf3 a5 14. a4 Rab8 15. e4 Bc8 16. Rae1 Ba6 17. Qg4 Bf8 18. Be5 Qd7 19. Bxb8 Rxb8 20. f5 exf5 21. Qxf5 Qxf5 22. exf5 c4 23. dxc4 Bc5+ 24. Kh1 Bb4 25. Re2 Kf8 26. h3 Rd8 27. f6 dxc4 28. Nxc4 Bxc4 29. bxc4 Rd4 30. Re8+ 1-0

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.07"]
[Round "3"]
[White "Camejo, Mauricio"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1869"]
[BlackElo "2222"]
[PlyCount "64"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Ndb5 a6 8. Na3 b5 9. Nd5 Nxd5 10. Qxd5 Qc7 11. Be3 Be7 12. c3 0-0 13. Nc2 Rd8 14. Qd2 Be6 15. Qf2 Rab8 16. Bd3 d5 17. Bc5 dxe4 18. Bxe4 Na5 19. Bxe7 Qxe7 20. Nb4 f5 21. Bc2 Rbc8 22. 0-0 Nc4 23. Rfe1 Rd2 24. Re2 Rxe2 25. Qxe2 Qc5+ 26. Kh1 Nxb2 27. Bxf5 Bxf5 28. Qxb2 a5 29. Qb3+ Kh8 30. g4 axb4 31. cxb4 Qf2 32. Qd5 Bg6 0-1

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "1"]
[White "Acosta, Jaime"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1505"]
[BlackElo "2145"]
[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. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. d4 cxd4 6. Nxd4 Nc6 7. Be3 Nf6 8. Be2 0-0 9. 0-0 Nxd4 10. Bxd4 Be6 11. Rc1 Qa5 12. a3 Rfc8 13. Nd5 Bxd5 14. exd5 a6 15. Bc3 Qd8 16. Bd4 Rab8 17. Bf3 b5 18. cxb5 axb5 19. Rxc8 Rxc8 20. Qd2 Qd7 21. Rc1 h5 22. Rxc8+ Qxc8 23. h3 Qf5 24. Be3 Nd7 25. Qb4 Qb1+ 26. Kh2 Qxb2 27. Qxb2 Bxb2 28. Be2 Bxa3 29. Bxb5 Nf6 30. Bc6 Bb2 31. Bg5 Kg7 32. Bxf6+ Kxf6 33. g3 Ke5 34. h4 Kd4 35. Kg2 Kc5 36. Ba8 0-1

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "13"]
[White "Bejarano, Danny Andres"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2005"]
[BlackElo "2145"]
[PlyCount "45"]
[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 Nc6 3. Bb5 Nd4 4. f4 Nxb5 5. Nxb5 a6 6. Nc3 e6 7. d3 d6 8. Nf3 Nf6 9. h3 Be7 10. a4 b6 11. b3 0-0 12. 0-0 Bb7 13. Qe1 d5 14. e5 Nd7 15. g4 d4 16. Ne4 f6 17. exf6 Nxf6 18. Nfd2 Nd5 19. Nc4 Qc7 20. Qg3 b5 21. Ne5 Nb4 22. Rf2 Bd6 23. Nf3 0-1

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "9"]
[White "Ordonez Gonzalez, Gabriel"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1994"]
[BlackElo "2145"]
[PlyCount "72"]
[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. c4 c5 2. Nc3 Nf6 3. e4 Nc6 4. g3 d6 5. Bg2 g6 6. d3 Bg7 7. Nge2 Nd4 8. Be3 Nd7 9. 0-0 0-0 10. f4 Rb8 11. Bxd4 cxd4 12. Nb5 a6 13. Na3 b5 14. b3 Qb6 15. Kh1 Nc5 16. Nc2 bxc4 17. bxc4 Na4 18. f5 Bd7 19. fxg6 hxg6 20. Nf4 Nc3 21. Nd5 Nxd1 22. Nxb6 Rxb6 23. Rfxd1 Rb2 24. Ne1 Rfb8 25. Bf3 Ba4 26. Ng2 Bxd1 27. Rxd1 Rb1 28. Rg1 Rxg1+ 29. Kxg1 Rb1+ 30. Kf2 Rb2+ 31. Kf1 Rxa2 32. Nf4 e6 33. h3 a5 34. Bg4 a4 35. c5 dxc5 36. Nxe6 Ra1+ 0-1

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "7"]
[White "Pinzon, Jairo David"]
[Black "Arandia la Rosa, Eduardo Jose"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2145"]
[BlackElo "1829"]
[PlyCount "56"]
[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. c4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 d6 5. Nf3 e5 6. d3 Be7 7. 0-0 Be6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd4 11. Bg2 0-0 12. Ne2 Nxe2+ 13. Qxe2 Nd7 14. f4 f5 15. exf5 Rxf5 16. Bxb7 Rb8 17. Bd5+ Kh8 18. Be4 Rf8 19. b3 exf4 20. Bxf4 Bf6 21. Rae1 Ne5 22. Kg2 Qd7 23. Bxe5 Bxe5 24. Qh5 g6 25. Bxg6 Rg8 26. Rf7 Qc6+ 27. Be4 Rxg3+ 28. Kh1 Qxe4+ 1-0

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "3"]
[White "Pinzon, Jairo David"]
[Black "Lopez Ramirez, David Santiago"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "2145"]
[BlackElo "1876"]
[PlyCount "121"]
[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. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 0-0 7. Qc2 h6 8. Bh4 Nbd7 9. a3 dxc4 10. Bxc4 b5 11. Ba2 a6 12. Rd1 Qb6 13. e4 Re8 14. 0-0 Bb7 15. Bb1 Nf8 16. Bxf6 Bxf6 17. e5 Be7 18. Ne4 Rac8 19. b4 a5 20. Nc5 Bxc5 21. dxc5 Qc7 22. Rd6 Rcd8 23. Rfd1 Bc8 24. Qe4 Rxd6 25. exd6 Qb7 26. Ne5 Bd7 27. Rd3 f5 28. Qd4 axb4 29. axb4 Ra8 30. g4 Qa7 31. gxf5 exf5 32. Kg2 Qa1 33. Qxa1 Rxa1 34. Nxd7 Nxd7 35. Bc2 Ra7 36. Re3 g6 37. Re7 Kf8 38. Bb3 Rb7 39. Be6 Nxc5 40. bxc5 Rxe7 41. dxe7+ Kxe7 42. Bb3 Kf6 43. f4 g5 44. Kf3 Kg6 45. Be6 Kf6 46. Bd7 b4 47. Bxc6 b3 48. Ba4 b2 49. Bc2 Ke6 50. fxg5 hxg5 51. Ke3 f4+ 52. Kd2 Kd5 53. Kc3 Kxc5 54. Kxb2 Kd4 55. Kc1 Ke3 56. Kd1 Kf2 57. Bf5 Kg2 58. h3 f3 59. Be4 Kxh3 60. Bxf3 g4 61. Bc6 1/2-1/2

[Event "Bogota El Tablazo Blitz op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "11"]
[White "Pinzon, Jairo David"]
[Black "Otero Acosta, Diasmany"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2145"]
[BlackElo "2351"]
[PlyCount "93"]
[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 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bf4 a6 8. Nf3 Bg7 9. Qa4+ Bd7 10. Qb3 Qc7 11. e5 Nh5 12. exd6 Qc8 13. Bg5 0-0 14. Be2 b5 15. 0-0 Re8 16. Be7 Nf4 17. Rfe1 Nxe2+ 18. Rxe2 Bg4 19. Ne4 c4 20. Qe3 Qf5 21. Rd1 Nd7 22. Ng3 Qf6 23. Bxf6 Rxe3 24. Rxe3 Bxf6 25. Rd2 Kg7 26. Ne4 Rd8 27. Nxf6 Nxf6 28. Ne5 Bf5 29. d7 Nxd7 30. Nxd7 Rxd7 31. d6 Be6 32. f4 Kf6 33. Kf2 h5 34. g3 Bf5 35. Rd4 Be6 36. Re5 Bf5 37. a4 bxa4 38. Ra5 Bc2 39. Rxa6 Bb3 40. Ke3 Ke6 41. Kd2 f6 42. Kc3 g5 43. fxg5 fxg5 44. Ra5 Rxd6 45. Rxd6+ Kxd6 46. Rxg5 Bd1 47. Kxc4 0-1

[Event "Bogota El Tablazo op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "6"]
[White "Pinzon, Jairo David"]
[Black "Rodriguez Mayorga, Julian E"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2238"]
[BlackElo "2018"]
[PlyCount "97"]
[EventDate "2021.11.04"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Nf6 6. Qf3 Bg4 7. Qg3 Bd6 8. Bf4 Qe7+ 9. Ne2 0-0-0 10. Bxd6 Rxd6 11. f3 Bh5 12. Qf2 Bg6 13. Bxg6 hxg6 14. 0-0 g5 15. Nd2 Nh5 16. Rae1 Re6 17. g4 Re8 18. gxh5 Rxe2 19. Rxe2 Qxe2 20. Qxe2 Rxe2 21. Rf2 Re1+ 22. Rf1 Re2 23. Rf2 Re1+ 24. Rf1 Re8 25. f4 gxf4 26. Rxf4 Nd8 27. Kf2 Kd7 28. Nf1 Rh8 29. Ng3 f6 30. h4 Ne6 31. Rf5 c6 32. Kf3 b5 33. Kg4 b4 34. Rf2 a5 35. Nf5 Rb8 36. h6 g6 37. Ng7 f5+ 38. Nxf5 gxf5+ 39. Rxf5 bxc3 40. bxc3 Ke7 41. Kh5 Rh8 42. Rf2 a4 43. a3 Nd8 44. Kg6 Rg8+ 45. Kh5 Ne6 46. h7 Rh8 47. Kg6 Nf8+ 48. Rxf8 Rxf8 49. h5 1/2-1/2

[Event "Bogota El Tablazo op"]
[Site "Bogota"]
[Date "2021.11.07"]
[Round "7"]
[White "Ruiz Aguilar, Pablo Alexander"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "B58"]
[WhiteElo "2144"]
[BlackElo "2238"]
[PlyCount "109"]
[EventDate "2021.11.04"]
[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. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nf3 h6 8. 0-0 Be6 9. Re1 Be7 10. h3 0-0 11. Bf1 Rc8 12. Nd5 Bxd5 13. exd5 Nb8 14. c4 Nbd7 15. b4 Nh7 16. a4 f5 17. Ba3 Ng5 18. c5 Nxf3+ 19. Qxf3 dxc5 20. d6 Bg5 21. bxc5 e4 22. Qb3+ Kh8 23. Qxb7 Nxc5 24. Qd5 Nd7 25. Bb5 Rc2 26. Qb3 Rd2 27. Rad1 Qb6 28. Rxd2 Bxd2 29. Re2 Bg5 30. Qd5 Bf4 31. Bb2 Nf6 32. Qxf5 Bxd6 33. Bxf6 Rxf6 34. Qxe4 Bc5 35. Bd3 g6 36. Kh1 Kg7 37. f4 Bd6 38. g3 h5 39. h4 Qb3 40. Kg2 Bc5 41. Bc2 Qc3 42. Qd5 Kh6 43. Qg8 Rb6 44. Kh3 Qa1 45. Be4 Bd4 46. Rd2 Bg7 47. Qd5 Qf1+ 48. Bg2 Qb1 49. Qg5+ Kh7 50. Rd7 Qa1 51. f5 Qxa4 52. fxg6+ Rxg6 53. Qxh5+ Rh6 54. Qf5+ Rg6 55. h5 1-0

[Event "Bogota El Tablazo op"]
[Site "Bogota"]
[Date "2021.11.06"]
[Round "5"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "2090"]
[BlackElo "2238"]
[PlyCount "196"]
[EventDate "2021.11.04"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 d6 7. d4 exd4 8. Nxd4 Bb7 9. c4 Nxb3 10. Qxb3 c5 11. Nf5 g6 12. Ng3 b4 13. Re1 Bg7 14. Nd2 Ne7 15. Nf3 0-0 16. Bf4 Qb6 17. Rad1 Rad8 18. Rd2 Rfe8 19. Red1 Nc8 20. Qc2 h6 21. h4 Re6 22. Nh2 Rde8 23. Re2 Qd8 24. Nf3 Qf6 25. Bc1 Qe7 26. Rde1 Na7 27. b3 Nc6 28. Bb2 Ne5 29. Nxe5 Bxe5 30. Bxe5 Rxe5 31. h5 Qh4 32. Qd2 R5e6 33. hxg6 fxg6 34. Qd3 Kh7 35. Re3 h5 36. e5 dxe5 37. Ne4 Rd8 38. Qe2 Qe7 39. Rg3 Bxe4 40. Qxe4 Rd4 41. Qe3 e4 42. Qg5 Qxg5 43. Rxg5 Rd2 44. Rxc5 Rxa2 45. Re3 Kh6 46. f3 Ra1+ 47. Kf2 Ra2+ 48. Kg3 Rd6 49. fxe4 Rdd2 50. e5 Rxg2+ 51. Kf3 Raf2+ 52. Ke4 Re2 53. e6 Kg7 54. Re5 Rxe3+ 55. Kxe3 Kf8 56. Kd4 Ke7 57. c5 h4 58. c6 Rc2 59. Rc5 Rd2+ 60. Ke5 Rd8 61. Rd5 Rxd5+ 62. Kxd5 h3 63. c7 h2 64. c8Q h1Q+ 65. Ke5 Qh2+ 66. Ke4 Qe2+ 67. Kf4 Qxe6 68. Qb7+ Qd7 69. Qe4+ Qe6 70. Qb7+ Kf6 71. Qxb4 g5+ 72. Kf3 Qd5+ 73. Kg3 Qd3+ 74. Kg2 Qe2+ 75. Kg1 Qd1+ 76. Kf2 Qc2+ 77. Ke3 Qc1+ 78. Kf3 Qh1+ 79. Ke3 Qh3+ 80. Ke2 Qe6+ 81. Kf3 Qd5+ 82. Ke3 a5 83. Qf8+ Ke5 84. Qb8+ Kf5 85. Kf2 Qd2+ 86. Kg1 Qe3+ 87. Kg2 Qe4+ 88. Kg1 Qg4+ 89. Kh1 Qf3+ 90. Kg1 Kg4 91. Qc8+ Qf5 92. Qc3 Qb1+ 93. Kh2 Qh7+ 94. Kg1 Qf5 95. Qd4+ Kf3 96. Qf2+ Ke4 97. Qe2+ Kf4 98. Qd2+ Ke4 1/2-1/2

[Event "Bogota El Tablazo op"]
[Site "Bogota"]
[Date "2021.11.06"]
[Round "4"]
[White "Pinzon, Jairo David"]
[Black "Bejarano, Danny Andres"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2238"]
[BlackElo "1934"]
[PlyCount "90"]
[EventDate "2021.11.04"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Nc6 6. c3 Be6 7. Ne2 Qd7 8. Bf4 Nge7 9. Bxd6 Qxd6 10. Nd2 0-0-0 11. 0-0-0 g5 12. h4 g4 13. Qf6 Kb8 14. Nf1 Bc8 15. Qxd6 Rxd6 16. Ne3 Rf6 17. Rdf1 h5 18. g3 Nd8 19. Nf4 c6 20. f3 Ne6 21. Nxe6 Rxe6 22. Kd2 gxf3 23. Rxf3 Rg8 24. Ke2 f5 25. Kf2 Rf6 26. Ng2 Ng6 27. Nf4 Nxf4 28. Rxf4 Rfg6 29. Rg1 Rf8 30. Re1 Re6 31. Rxe6 Bxe6 32. Be2 Rh8 33. Rf3 Kc7 34. Bd3 Rf8 35. Ke3 Kd6 36. Kf4 Rg8 37. Ke3 Rf8 38. Be2 Rg8 39. Kf2 Rh8 40. Re3 Ke7 41. Kf3 Kf6 42. Kf4 Rh7 43. Re5 Ke7 44. Bd3 Rg7 45. Bxf5 Rf7 1-0

[Event "Bogota El Tablazo op"]
[Site "Bogota"]
[Date "2021.11.05"]
[Round "2"]
[White "Pinzon, Jairo David"]
[Black "Gomez, Jorge Leonardo"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2238"]
[BlackElo "1835"]
[PlyCount "67"]
[EventDate "2021.11.04"]
[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 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 Bb4 6. Bd2 Bxc3 7. Bxc3 0-0 8. Nf3 Qe8 9. 0-0 d6 10. b4 Qh5 11. Nd2 f4 12. e3 Bg4 13. f3 Bh3 14. b5 Ne7 15. exf4 exf4 16. g4 Qh4 17. Qe1 Qxe1 18. Rfxe1 Bxg2 19. Rxe7 Bh3 20. Rxc7 Rf7 21. Rxf7 Kxf7 22. Bxf6 gxf6 23. Ne4 h5 24. Nxd6+ Ke6 25. Nxb7 hxg4 26. fxg4 Bxg4 27. Re1+ Kf5 28. Nd6+ Kg6 29. Re8 Rxe8 30. Nxe8 Be2 31. c5 Kf7 32. b6 axb6 33. cxb6 Bf3 34. b7 1-0

[Event "Bogota El Tablazo op"]
[Site "Bogota"]
[Date "2021.11.05"]
[Round "3"]
[White "Romero Saenz, Juan Sebastian"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1851"]
[BlackElo "2238"]
[PlyCount "122"]
[EventDate "2021.11.04"]
[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. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 4. e3 h6 5. Be2 e6 6. 0-0 Nbd7 7. c4 Bd6 8. d4 0-0 9. Nbd2 c6 10. Ne5 Ne4 11. Nxe4 Bxe4 12. f3 Bh7 13. Bd3 Nxe5 14. Bxh7+ Kxh7 15. dxe5 Be7 16. Qd3+ g6 17. Rfd1 Qb6 18. Bd4 c5 19. Bb2 Rfd8 20. e4 dxc4 21. Qxc4 Rxd1+ 22. Rxd1 Rd8 23. Rxd8 Qxd8 24. Qc2 Bg5 25. Kf2 b5 26. g3 Be7 27. Ke2 Qa5 28. Bc3 Qc7 29. Qd2 c4 30. b4 Qc6 31. a3 a5 32. Qd4 axb4 33. axb4 Qb7 34. f4 Qa8 35. Bd2 Kg7 36. g4 Qa2 37. Qc3 Qb1 38. Qd4 Bxb4 39. Bxb4 Qxb4 40. Qd8 c3 41. Qf6+ Kg8 42. Qd8+ Kh7 43. Qd3 Qc5 44. Kd1 b4 45. Qd7 Kg7 46. f5 Qxe5 47. fxe6 Qxe6 48. Qd4+ Kh7 49. Qxb4 Qxg4+ 50. Kc2 Qe2+ 51. Kxc3 Qe1+ 52. Kb3 Qxb4+ 53. Kxb4 Kg7 54. Kc5 Kf6 55. Kd5 g5 56. Kd6 h5 57. e5+ Kf5 58. Ke7 Kxe5 59. Kxf7 g4 60. Kg6 h4 61. Kg5 g3 0-1

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.19"]
[Round "10"]
[White "Martinez Romero, Martin"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2409"]
[BlackElo "2194"]
[PlyCount "180"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. h3 Bh5 5. 0-0 Nd7 6. d3 Ngf6 7. Qe1 e5 8. e4 dxe4 9. dxe4 Bc5 10. Nbd2 0-0 11. Nh4 Ne8 12. Nb3 Bb6 13. Bd2 a5 14. Bc3 Nd6 15. a4 f6 16. Qd2 Nc5 17. Nxc5 Bxc5 18. b3 Qc7 19. g4 Bf7 20. Kh1 Rad8 21. Qe1 b6 22. Rd1 g5 23. f4 gxh4 24. Qxh4 Bg6 25. f5 Be8 26. g5 Nf7 27. g6 Ng5 28. gxh7+ Nxh7 29. Bxe5 Qxe5 30. Rxd8 Bd6 31. Rxd6 Qxd6 32. Bf3 Kh8 33. Rg1 Rg8 34. Rxg8+ Kxg8 35. Qg4+ Kh8 36. h4 Qd2 37. Qg3 Qc1+ 38. Kg2 Qxc2+ 39. Kh3 Qxb3 40. e5 Qc3 41. exf6 Qxf6 42. Bg4 b5 43. Qe1 Bd7 44. axb5 cxb5 45. Qxa5 Bxf5 46. Qa8+ Nf8 47. Qb8 Qc3+ 48. Kh2 Qb2+ 49. Kg3 Qg7 50. Qxb5 Qxg4+ 51. Kf2 Qxh4+ 52. Ke3 Qg3+ 53. Kd2 Qf4+ 54. Kc3 Kg7 55. Qb7+ Kf6 56. Qb4 Qxb4+ 57. Kxb4 Ke5 58. Kc5 Be4 59. Kc4 Ne6 60. Kc3 Kd5 61. Kb4 Kd4 62. Kb3 Bd3 63. Kb2 Nc5 64. Ka3 Kc3 65. Ka2 Nb3 66. Ka3 Bb1 67. Ka4 Nd4 68. Ka3 Nf5 69. Ka4 Ba2 70. Kb5 Bf7 71. Kc5 Bc4 72. Kc6 Kb4 73. Kd7 Bf7 74. Kc6 Kc4 75. Kd7 Kc5 76. Kc7 Be8 77. Kb7 Bb5 78. Kc7 Ne7 79. Kd8 Nd5 80. Kc8 Kd6 81. Kd8 Ke6 82. Kc8 Ke7 83. Kb7 Kd7 84. Kb8 Ba6 85. Ka7 Bc8 86. Kb8 Kd8 87. Ka8 Kc7 88. Ka7 Ne7 89. Ka8 Bb7+ 90. Ka7 Nc8# 0-1

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.19"]
[Round "11"]
[White "Pinzon, Jairo David"]
[Black "Carrillo Parra, Miguel Alfredo"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2194"]
[BlackElo "2206"]
[PlyCount "93"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e6 2. e3 d5 3. Nc3 Nf6 4. b3 c5 5. d3 d4 6. exd4 cxd4 7. Ne4 Nc6 8. Nxf6+ Qxf6 9. a3 Bd6 10. g3 0-0 11. Bg2 e5 12. Nf3 Bf5 13. Nh4 Bd7 14. b4 Rae8 15. 0-0 a6 16. f4 exf4 17. Bxf4 Bxf4 18. Rxf4 Qd6 19. Nf5 Bxf5 20. Rxf5 Re3 21. Qf1 Qe7 22. Bd5 Ne5 23. Qf4 g6 24. Qxd4 Nc6 25. Qg4 Re2 26. Raf1 Qe3+ 27. R5f2 Rxf2 28. Rxf2 Qxd3 29. Qf3 Qxf3 30. Rxf3 Kg7 31. Re3 Kf6 32. Kf1 a5 33. b5 Ne5 34. c5 Rc8 35. Rc3 Nd7 36. Rf3+ Ke5 37. Rxf7 Nf6 38. Bxb7 Rxc5 39. Bc6 Rc2 40. Ra7 Ng4 41. Rxa5 Ne3+ 42. Ke1 Kd4 43. Ra4+ Nc4 44. b6 Ke3 45. Kd1 Rc3 46. Rb4 Kd3 47. Bb5 1-0

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.18"]
[Round "9"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2428"]
[BlackElo "2194"]
[PlyCount "66"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[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. e3 Bg4 5. Nbd2 e6 6. Be2 Nbd7 7. h3 Bh5 8. 0-0 Bd6 9. b3 0-0 10. Bb2 Qc7 11. Nh4 Bxe2 12. Qxe2 Ne4 13. Nxe4 dxe4 14. d5 Be5 15. dxe6 fxe6 16. Bxe5 Nxe5 17. f4 exf3 18. Nxf3 Nxf3+ 19. Rxf3 Rxf3 20. Qxf3 Rf8 21. Qe4 Qd6 22. Rf1 Rxf1+ 23. Kxf1 e5 24. Ke2 g6 25. Qg4 Kg7 26. h4 b6 27. Qe4 h5 28. a3 a5 29. b4 axb4 30. axb4 Kf6 31. Qf3+ Kg7 32. Qe4 Kf6 33. Qf3+ Kg7 1/2-1/2

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.18"]
[Round "8"]
[White "Pinzon, Jairo David"]
[Black "Mateus Urbano, Luis Alejandro"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2194"]
[BlackElo "2363"]
[PlyCount "103"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. e5 Ne4 6. Qf3 d5 7. Bd3 Na6 8. f5 e6 9. f6 gxf6 10. Bxe4 dxe4 11. Qxf6 Rg8 12. Nge2 Be7 13. Qf2 Bd7 14. 0-0 0-0-0 15. Nxe4 Rg4 16. N2g3 Qd5 17. Qe2 Rdg8 18. Rxf7 Qxd4+ 19. Qe3 Qd1+ 20. Rf1 Qxc2 21. Qd2 Nb4 22. Nf6 Qc5+ 23. Kh1 Bxf6 24. exf6 Rf8 25. Qe2 Rg6 26. Ne4 Qc2 27. Bd2 Qd3 28. Rae1 Qxe2 29. Rxe2 Nd5 30. f7 e5 31. Ng5 Rg7 32. Rxe5 h6 33. Ne4 Kc7 34. Bxh6 Rgxf7 35. Rxf7 Rxf7 36. h4 Nb4 37. g3 Nd3 38. Ra5 Bg4 39. Nd2 Rf2 40. Ra3 Nxb2 41. Bf4+ Kc8 42. Ne4 Re2 43. Nf6 Bf5 44. Rxa7 b5 45. Rc7+ Kd8 46. Rxc6 Nd3 47. Bg5 Nf2+ 48. Kg2 Rxa2 49. Kf3 Nd3 50. Ne4+ Kd7 51. Rd6+ Kc7 52. Rxd3 1-0

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.17"]
[Round "7"]
[White "Munoz Galvez, Jhon Edison"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2303"]
[BlackElo "2194"]
[PlyCount "125"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nc3 e6 4. e4 exd5 5. exd5 d6 6. Nf3 a6 7. a4 g6 8. Bf4 Nh5 9. Bg5 Be7 10. Bh6 Bf8 11. Qe2+ Qe7 12. Bg5 Qxe2+ 13. Bxe2 f6 14. Be3 Bg4 15. h3 Bxf3 16. Bxf3 Ng7 17. g4 Nd7 18. a5 0-0-0 19. 0-0 Re8 20. Rfe1 Ne5 21. Be2 f5 22. Kg2 h5 23. g5 Be7 24. f4 Nd7 25. Bd2 Bd8 26. Na4 Re4 27. Bf3 Rxe1 28. Bxe1 Re8 29. Bc3 Re7 30. b3 Ne8 31. Bd2 Nc7 32. c4 Re8 33. b4 Be7 34. Nb6+ Nxb6 35. axb6 Na8 36. bxc5 dxc5 37. d6 Bxd6 38. Rb1 Re6 39. Kg3 Be7 40. Bd5 Rxb6 41. Rxb6 Nxb6 42. Bf7 Kd7 43. Ba5 Nc8 44. Bxg6 Nd6 45. Bxh5 Nxc4 46. Be1 Nd6 47. Bf3 b5 48. h4 Ke6 49. h5 b4 50. h6 Kf7 51. Bh5+ Kg8 52. Bf3 a5 53. Kh4 Ne4 54. Be2 Nd6 55. Kh5 a4 56. Bf2 Ne4 57. Bc4+ Kh8 58. Be3 a3 59. Be6 Nc3 60. g6 Bf6 61. Bxc5 a2 62. Bf8 Nd5 63. g7+ 1-0

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.17"]
[Round "6"]
[White "Pinzon, Jairo David"]
[Black "Sanchez, Sebastian Felipe"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2194"]
[BlackElo "2438"]
[PlyCount "73"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Qf3 Nge7 7. Ne2 Be6 8. Bf4 Ng6 9. Bxd6 Qxd6 10. h4 0-0-0 11. h5 Nge7 12. Nd2 Qd7 13. 0-0-0 Rhe8 14. Rde1 Bf5 15. Nf4 g5 16. Bxf5 Qxf5 17. Nd3 f6 18. g3 b6 19. Re3 Qxf3 20. Rxf3 Ng8 21. Nf1 Re6 22. Ne3 Nce7 23. Kd2 Nh6 24. g4 Nf7 25. Rg3 Nd6 26. f3 Re8 27. Rg2 Kd7 28. b3 a5 29. Re1 a4 30. Rge2 Ra8 31. c4 axb3 32. cxd5 Rxa2+ 33. Kd1 Rxe3 34. Rxe3 Nxd5 35. Nb4 Nxe3+ 36. Rxe3 Ra1+ 37. Ke2 0-1

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.16"]
[Round "5"]
[White "Arenas Vanegas, David"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2455"]
[BlackElo "2194"]
[PlyCount "125"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. Nbd2 Nb6 9. Bb5 Bg4 10. h3 Bh5 11. Ne4 Bd6 12. Ng3 Bg6 13. Re1 Re8 14. Bg5 f6 15. Be3 Kh8 16. Nh4 Bf7 17. c4 Bb4 18. Rf1 Bf8 19. Qf3 a6 20. Bxc6 bxc6 21. Rfd1 g6 22. Qxc6 f5 23. Nf3 h6 24. d4 Qd6 25. Qxd6 cxd6 26. dxe5 Nxc4 27. exd6 Nxe3 28. fxe3 Rad8 29. d7 Rxe3 30. Rac1 Bxa2 31. Rc8 Be7 32. Rdc1 Kg7 33. Rxd8 Bxd8 34. Rc8 Bb6 35. d8Q Rb3+ 36. Qxb6 Rxb6 37. Rc2 Kf6 38. Kf2 g5 39. Nd4 Bb1 40. Rc6+ Rxc6 41. Nxc6 f4 42. Ne2 Be4 43. Ned4 h5 44. b3 Bd5 45. Nb4 Bb7 46. Nbc6 g4 47. h4 Bc8 48. g3 fxg3+ 49. Kxg3 Bd7 50. Kf4 Bc8 51. b4 Bd7 52. Ne5 Bc8 53. Nd3 Ke7 54. Ke5 Kd7 55. Nc5+ Kc7 56. Ne4 Kb6 57. Ng3 a5 58. bxa5+ Kxa5 59. Nxh5 Bd7 60. Nf6 Bc8 61. h5 g3 62. h6 g2 63. Nf3 1-0

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.16"]
[Round "4"]
[White "Pinzon, Jairo David"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2194"]
[BlackElo "2475"]
[PlyCount "135"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. Nbd2 Be7 9. exd6 Qxd6 10. Nc4 Qc7 11. Bd3 f5 12. Qe2 0-0 13. 0-0 Bf6 14. Re1 b5 15. Nce5 Nxe5 16. Nxe5 a6 17. a4 Bxe5 18. Qxe5 Qxe5 19. Rxe5 Bd7 20. a5 Rac8 21. f4 Nf6 22. h3 Kf7 23. Be3 Bc6 24. Bd4 Be4 25. Rd1 Rfd8 26. Kf2 Bxd3 27. Rxd3 b4 28. Ree3 Ne4+ 29. Ke2 bxc3 30. Bxc3 Rd5 31. Rxd5 exd5 32. Rd3 Ke6 33. Ke3 g6 34. Be5 Rc1 35. Rb3 Re1+ 36. Kd4 Rd1+ 37. Ke3 d4+ 38. Bxd4 Kd5 39. Bc3 Rb1 40. Rb8 Nxc3 41. Rd8+ Kc4 42. bxc3 Re1+ 43. Kf3 Ra1 44. Rd7 Rxa5 45. Rxh7 Rc5 46. g4 a5 47. Rg7 Rc6 48. Ra7 Kb5 49. Rb7+ Kc4 50. Ra7 Rc5 51. Ra6 Kb5 52. Rxg6 Rxc3+ 53. Kg2 a4 54. Rg8 fxg4 55. hxg4 a3 56. Ra8 Kc4 57. g5 Kd5 58. g6 Rc7 59. Kf3 Ke6 60. Kg4 Kf6 61. Ra6+ Kg7 62. Kg5 Rc3 63. Ra7+ Kf8 64. f5 Rb3 65. Ra8+ Ke7 66. f6+ Ke6 67. Ra6+ Ke5 68. f7 1-0

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.15"]
[Round "3"]
[White "Avila Pavas, Santiago"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2395"]
[BlackElo "2194"]
[PlyCount "89"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe7 5. Qxe4 d6 6. d4 dxe5 7. dxe5 Nc6 8. f4 Bg4 9. Nc3 0-0-0 10. Bd3 Qh4+ 11. g3 Qh3 12. Be3 Bb4 13. Kf2 Bxc3 14. bxc3 f6 15. Rab1 Be6 16. exf6 gxf6 17. Bd4 Rhf8 18. Bxa7 Rfe8 19. Be3 f5 20. Qg2 Qxg2+ 21. Kxg2 Bxa2 22. Bxf5+ Kb8 23. Kf2 Bxb1 24. Rxb1 h6 25. Bg4 Ne7 26. Bf3 c6 27. Bd4 Nd5 28. Be5+ Ka7 29. c4 Ne7 30. Bc7 Rd2+ 31. Ke3 Nd5+ 32. Kxd2 Nxc7 33. f5 Re5 34. g4 Rc5 35. Kd3 Na6 36. Kd4 Ra5 37. Re1 Ra3 38. Re3 c5+ 39. Ke4 Ra4 40. f6 Rxc4+ 41. Kf5 Nb8 42. f7 Nd7 43. Re7 Nf8 44. Rxb7+ Ka6 45. Rb8 1-0

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.15"]
[Round "2"]
[White "Pinzon, Jairo David"]
[Black "Palencia Morales, Wilson Guillermo"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2194"]
[BlackElo "2369"]
[PlyCount "88"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 d6 7. g3 Be6 8. Ne3 Be7 9. Bg2 0-0 10. 0-0 a6 11. b3 Rb8 12. Ned5 Ne8 13. Be3 b5 14. cxb5 axb5 15. Qd2 b4 16. Na4 Bxd5 17. Bxd5 Nd4 18. Rac1 Bf6 19. Bxd4 exd4 20. Qc2 g6 21. Rfe1 Bg7 22. e3 dxe3 23. Rxe3 Bh6 24. f4 Bg7 25. Kg2 Nf6 26. Bf3 d5 27. Nc5 Qb6 28. Qd2 Rfe8 29. Re5 Red8 30. Qd3 Rbc8 31. Na4 Qd6 32. Rxc8 Rxc8 33. Re2 d4 34. Re5 h5 35. Nb2 Rc3 36. Qd2 d3 37. Bd1 Ng4 38. Re8+ Kh7 39. Re1 Qd5+ 40. Kh3 Nf6 41. Nc4 Ne4 42. Qe3 f5 43. Bf3 d2 44. Bxe4 Rxe3 0-1

[Event "COL-ch"]
[Site "Cali"]
[Date "2021.09.14"]
[Round "1"]
[White "Valderrama Quiceno, Esteban Alberto"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2444"]
[BlackElo "2194"]
[PlyCount "47"]
[EventDate "2021.09.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "5"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. g3 Bg4 4. Bg2 Nd7 5. cxd5 cxd5 6. Qb3 Qc8 7. 0-0 e6 8. d4 Bd6 9. Nc3 Ngf6 10. Nb5 Bb8 11. Qb4 Qc6 12. Bf4 a5 13. Qb3 Bxf4 14. gxf4 0-0 15. Rfc1 Qb6 16. Nc7 Rac8 17. Qxb6 Nxb6 18. a3 Rfd8 19. Kf1 Ne8 20. Nb5 Kf8 21. Ke1 Ke7 22. Kd2 Rxc1 23. Rxc1 Rc8 24. Rxc8 1/2-1/2

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "11"]
[White "Pinzon, Jairo David"]
[Black "Zuluaga Mancilla, Cesar"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2167"]
[BlackElo "2265"]
[PlyCount "141"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[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 e6 3. Bc4 a6 4. a4 Nc6 5. f4 Nge7 6. d3 d5 7. Ba2 Nb4 8. Bb3 dxe4 9. Nxe4 Nf5 10. Nf3 Be7 11. 0-0 0-0 12. Qe1 b6 13. Ng3 Nxg3 14. Qxg3 Bf6 15. Ne5 Bb7 16. Be3 Nd5 17. Bf2 Ne7 18. c3 Nf5 19. Qh3 Bxe5 20. fxe5 Qg5 21. Rad1 Rac8 22. Bc2 f6 23. Bb3 Rce8 24. Bxc5 Rf7 25. Rxf5 exf5 26. e6 Rc7 27. Bxb6 Rc6 28. e7+ Kh8 29. Bd8 Rc8 30. Qg3 Qh5 31. Re1 f4 32. Qxf4 Rc5 33. d4 Rf5 34. Bf7 g6 35. Bxe8 Rxf4 36. Bd7 Re4 37. Rxe4 Qd1+ 38. Kf2 Qd2+ 39. Kf1 Qd3+ 40. Re2 Bxg2+ 41. Ke1 Qb1+ 42. Kf2 Qf1+ 43. Ke3 Qf3+ 44. Kd2 Qf4+ 45. Kc2 Be4+ 46. Kb3 Bd5+ 47. Ka3 Qd6+ 48. b4 Bf7 49. e8Q+ Bxe8 50. Rxe8+ Kg7 51. Re7+ Kh6 52. a5 f5 53. Ka4 f4 54. b5 axb5+ 55. Bxb5 Qxd8 56. Rd7 Qc8 57. Kb4 Qf8+ 58. Ka4 f3 59. a6 f2 60. a7 Qc8 61. Kb3 Qg8+ 62. d5 Qc8 63. Kb4 Kg5 64. d6 Kf6 65. Rxh7 Qd8 66. d7 Qf8+ 67. Ka5 Qa3+ 68. Kb6 Qd6+ 69. Kb7 Qd5+ 70. Bc6 Qb3+ 71. Kc8 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "10"]
[White "Rios Parra, Alejandro"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "2254"]
[BlackElo "2167"]
[PlyCount "84"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Nxd4 9. Qxd4 a6 10. f4 b5 11. Bxf6 gxf6 12. f5 Qa5 13. fxe6 fxe6 14. e5 dxe5 15. Qg4 Kf8 16. Qh5 h6 17. Be2 Qc7 18. Rhf1 f5 19. Kb1 Bf6 20. Ne4 Qf7 21. Nxf6 Qxf6 22. Qf3 Ra7 23. Qc3 Kg7 24. Rd3 Rf8 25. Rg3+ Kh8 26. Re3 e4 27. Qxf6+ Rxf6 28. Rxe4 Rg6 29. Rh4 Rxg2 30. Rxh6+ Kg7 31. Bf3 Kxh6 32. Bxg2 e5 33. Kc1 Kg5 34. Kd2 Rh7 35. Rh1 f4 36. Be4 Bf5 37. h4+ Kf6 38. Bf3 e4 39. Bd1 e3+ 40. Kc3 Rc7+ 41. Kd4 Rd7+ 42. Kc5 Rxd1 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.15"]
[Round "9"]
[White "Pinzon, Jairo David"]
[Black "Munoz Galvez, Jhon Edison"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2167"]
[BlackElo "2307"]
[PlyCount "79"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 d6 3. Nc3 Nbd7 4. g3 g6 5. Bg2 Bg7 6. e3 a6 7. Nge2 0-0 8. 0-0 e5 9. b3 Re8 10. Bb2 h5 11. Qd2 e4 12. Rae1 Nf8 13. Nf4 Bf5 14. f3 c6 15. fxe4 Nxe4 16. Nxe4 Bxe4 17. d5 Bxb2 18. Qxb2 c5 19. Bf3 Bxf3 20. Rxf3 Nh7 21. e4 b5 22. e5 Ng5 23. Rff1 dxe5 24. Rxe5 bxc4 25. bxc4 Rb8 26. Qe2 Qd7 27. h4 Nh7 28. Nd3 Rxe5 29. Nxe5 Qd6 30. Nxf7 Qxg3+ 31. Qg2 Qxg2+ 32. Kxg2 Rb2+ 33. Kg3 Nf8 34. Ne5 Rxa2 35. Rd1 Re2 36. Kf4 Rh2 37. Nf3 Rc2 38. Ne5 Rh2 39. Nf3 Rc2 40. Ne5 1/2-1/2

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "6"]
[White "Pinzon, Jairo David"]
[Black "Martinez Romero, Martin"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2167"]
[BlackElo "2404"]
[PlyCount "84"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nf6 3. e5 Nd5 4. Bb2 Nc6 5. Nf3 e6 6. c4 Nc7 7. Be2 Be7 8. 0-0 0-0 9. Nc3 f5 10. d4 cxd4 11. Nb5 b6 12. Nfxd4 Bb7 13. Nxc7 Qxc7 14. Nb5 Qd8 15. Nd6 Bxd6 16. Qxd6 Ne7 17. Rad1 Bc6 18. f4 Ng6 19. Bf3 Bxf3 20. Rxf3 Rf7 21. Ba3 Rc8 22. Qd2 b5 23. cxb5 Qb6+ 24. Qf2 Qxb5 25. Rfd3 a5 26. Rd4 h6 27. g3 Rc7 28. R1d2 Ne7 29. Qe2 Qb6 30. Bxe7 Rc1+ 31. Kg2 Qc6+ 32. Kh3 Rxe7 33. Rc4 Rxc4 34. Qxc4 Qf3 35. Qe2 Qa8 36. Qg2 Qb8 37. Rd6 g5 38. Qd2 gxf4 39. Rxd7 Rxd7 40. Qxd7 Qxe5 41. Qe8+ Kg7 42. Qe7+ Kg8 1/2-1/2

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "7"]
[White "Prasca Sosa, Rafael Felipe"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2377"]
[BlackElo "2167"]
[PlyCount "104"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. d4 Bg4 5. Be2 0-0-0 6. c4 Qh5 7. Be3 Nf6 8. Nbd2 e5 9. d5 Nd4 10. Nxd4 exd4 11. Bxg4+ Nxg4 12. Bxd4 Re8+ 13. Kf1 Nxh2+ 14. Kg1 Qxd1+ 15. Rxd1 Ng4 16. f3 Ne5 17. Re1 f6 18. a3 Kd7 19. Rh4 Nd3 20. Rxe8 Kxe8 21. Re4+ Kd7 22. Re3 Nc5 23. b4 Na4 24. c5 b6 25. Ne4 Be7 26. c6+ Kd8 27. b5 Rf8 28. d6 cxd6 29. Nc3 Nxc3 30. Bxc3 Rf7 31. Bb4 Bf8 32. Re6 a6 33. bxa6 Ra7 34. Kh2 Ra8 35. Bxd6 Bxd6+ 36. Rxd6+ Kc8 37. Rd7 Rxa6 38. Rxg7 Rxa3 39. Rf7 Rc3 40. Rxf6 b5 41. Rf8+ Kc7 42. Rf7+ Kxc6 43. Rxh7 b4 44. Rh8 Rc5 45. Rc8+ Kd5 46. Rb8 Kc4 47. g4 b3 48. f4 Rb5 49. Rc8+ Kd4 50. Rc1 b2 51. Rb1 Ke4 52. f5 Kf4 1/2-1/2

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2490"]
[BlackElo "2167"]
[PlyCount "29"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 b5 3. e4 a6 4. a4 b4 5. Nd2 d6 6. b3 Nf6 7. Bb2 g6 8. f4 Bg7 9. Ngf3 0-0 10. Bd3 e6 11. dxe6 fxe6 12. 0-0 Nc6 13. Qe1 Nh5 14. Bxg7 Kxg7 15. g3 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "5"]
[White "Pinzon, Jairo David"]
[Black "Torres, Juan Camilo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2167"]
[BlackElo "2294"]
[PlyCount "54"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 Nc6 7. Be2 cxd4 8. Nb5 Qd8 9. Nbxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 a6 12. Bf4 Bc5 13. Nb3 Ba7 14. Bf3 0-0 15. 0-0 Bb8 16. Bxb8 Rxb8 17. Rad1 Bd7 18. Rd6 b6 19. Rfd1 Ba4 20. R1d4 Ne8 21. Rd8 Rxd8 22. Rxd8 Nf6 23. Rd4 Bxb3 24. axb3 Rb8 25. Bb7 a5 26. Rd6 Kf8 27. Rxb6 Nd5 1/2-1/2

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "3"]
[White "Pinzon, Jairo David"]
[Black "Mateus Urbano, Luis Alejandro"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2167"]
[BlackElo "2352"]
[PlyCount "131"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 g6 6. c3 Bg7 7. Re1 Ngf6 8. h3 0-0 9. Bc2 b5 10. d4 Bb7 11. Bg5 Qc7 12. Nbd2 e5 13. Nf1 h6 14. Bh4 Rfe8 15. d5 c4 16. g4 h5 17. N1h2 Qc8 18. Kh1 hxg4 19. hxg4 Nc5 20. Ng5 Nh7 21. Qf3 Nxg5 22. Bxg5 Nd7 23. Rg1 f6 24. Bd2 g5 25. Nf1 Nf8 26. Ng3 Ng6 27. Nf5 Qc7 28. Rg3 Bc8 29. Rh3 Bxf5 30. gxf5 Nf4 31. Bxf4 exf4 32. Rg1 Kf8 33. Kg2 Qf7 34. Rgh1 Ke7 35. b3 cxb3 36. axb3 Rh8 37. c4 bxc4 38. bxc4 Rxh3 39. Rxh3 Rh8 40. Rxh8 Bxh8 41. Bd1 Kd8 42. Qa3 Qc7 43. Qxa6 Bg7 44. Ba4 Ke7 45. Qa8 Qd8 46. Qa7+ Kf8 47. c5 dxc5 48. Qxc5+ Kg8 49. d6 Bf8 50. Qd5+ Kh8 51. d7 g4 52. Qf7 f3+ 53. Kg3 Bd6+ 54. Kxg4 Bc7 55. Qh5+ Kg7 56. Qg6+ Kf8 57. Kxf3 Ke7 58. Kg4 Kd6 59. f4 Kc5 60. Qe8 Ba5 61. e5 Qb6 62. Qe7+ Kd4 63. Qxf6 Qb8 64. e6+ Kd3 65. e7 Qg8+ 66. Qg5 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "2"]
[White "Villamizar Suarez, Oliver Daniel"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1600"]
[BlackElo "2167"]
[PlyCount "74"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Kh1 a5 10. a4 Nb4 11. f4 Be6 12. f5 Bd7 13. Be3 Bc6 14. Bf3 d5 15. exd5 Nbxd5 16. Qe2 Nxc3 17. bxc3 Qc7 18. Bxc6 Qxc6 19. c4 Rfc8 20. c5 Qe4 21. Nd2 Qxc2 22. Qb5 Ng4 23. Rac1 Qa2 24. Nc4 Nxe3 25. Nxe3 Bg5 26. Ra1 Qd2 27. Nc4 Qd4 28. Rfd1 Qh4 29. Nxe5 Bf6 30. Nf3 Qb4 31. Rab1 Qxc5 32. Qxc5 Rxc5 33. Rxb7 Rxf5 34. Rdd7 Bc3 35. Ra7 Re8 36. Re7 Kf8 37. Rec7 Re1+ 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.11"]
[Round "1"]
[White "Pinzon, Jairo David"]
[Black "Dabraccio, Guillermo"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2167"]
[BlackElo "1630"]
[PlyCount "55"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. e3 c5 4. f4 Nc6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Be7 8. Ne5 Bxe2 9. Qxe2 Qc7 10. d3 Nxe5 11. Bxe5 Bd6 12. Bxf6 gxf6 13. Qf3 h5 14. e4 dxe4 15. dxe4 0-0-0 16. Na3 Qe7 17. Nc4 Bc7 18. a4 h4 19. Rae1 Rh7 20. f5 Rg8 21. fxe6 Qxe6 22. Qxf6 Qxf6 23. Rxf6 Kd7 24. e5 Ke7 25. Nd6 Bxd6 26. Rxd6 Rd8 27. Rxd8 Kxd8 28. Re4 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.08"]
[Round "6"]
[White "Pinzon, Jairo David"]
[Black "Chacon Contreras, Juan Fernando1111"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2151"]
[BlackElo "1971"]
[PlyCount "51"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e3 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nge2 0-0 5. d3 d5 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Nc3 Qd6 9. Be2 Rd8 10. 0-0 c6 11. Qc2 Na6 12. a3 Be6 13. b4 f5 14. Bb2 c5 15. Nb5 Qb6 16. Bxg7 Kxg7 17. Qb2+ Kg8 18. bxc5 Nxc5 19. d4 Ne4 20. a4 Qa5 21. Bd3 Rac8 22. Bxe4 fxe4 23. Rfc1 Rxc1+ 24. Rxc1 Rc8 25. Rxc8+ Bxc8 26. Nc3 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.08"]
[Round "7"]
[White "Rivera, Alberto"]
[Black "Pinzon, Jairo David"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2317"]
[BlackElo "2151"]
[PlyCount "20"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 d6 5. Qc2 g6 6. e4 bxc4 7. Bxc4 Bg7 8. 0-0 0-0 9. Nc3 Nbd7 10. h3 Rb8 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.07"]
[Round "4"]
[White "Pinzon, Jairo David"]
[Black "Castaneda Lizarazo, Duvan"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "2151"]
[BlackElo "1742"]
[PlyCount "91"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. d4 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd3 Bg4 7. Nbd2 a5 8. h3 Bxf3 9. Nxf3 a4 10. 0-0 c6 11. Ne5 Nbd7 12. c4 e6 13. Qc2 Nxe5 14. dxe5 Nd7 15. f4 Nb6 16. Ba3 Re8 17. Bd6 Nc8 18. Bc5 Ne7 19. b4 Nf5 20. Bxf5 gxf5 21. Bd6 f6 22. c5 b5 23. cxb6 Qxb6 24. Bc5 Qb5 25. exf6 Bxf6 26. Rab1 Kf7 27. a3 Rg8 28. Kh2 Rg6 29. Rf2 Bh4 30. Rd2 Bf6 31. Rc1 Ke8 32. Bd4 Bxd4 33. exd4 Kd7 34. Qd1 Rag8 35. Rc5 Qb8 36. Rf2 Rg3 37. Qc1 Qb6 38. Rfc2 R8g6 39. b5 Ke7 40. bxc6 Qb3 41. R5c3 Rxc3 42. Rxc3 Qa2 43. Rc2 Qb3 44. c7 Qg3+ 45. Kh1 h6 46. Qf1 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.07"]
[Round "5"]
[White "Ramirez, Francisco Javier"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1927"]
[BlackElo "2151"]
[PlyCount "76"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 d6 6. Nf3 e6 7. a3 Bd7 8. Bd3 Bc6 9. 0-0 Nd7 10. Re1 Be7 11. Nbd2 dxe5 12. dxe5 Nc5 13. Bf1 Nf4 14. b4 Ncd3 15. Re3 Nxc1 16. Rxc1 0-0 17. Qb3 a5 18. b5 Bd5 19. Qa4 Ng6 20. g3 b6 21. h4 Bc5 22. Rxc5 bxc5 23. Qg4 f5 24. Qh5 Qe8 25. Ng5 h6 26. f4 hxg5 27. hxg5 Ne7 28. Qh3 Kf7 29. Nc4 Bxc4 30. Bxc4 Rh8 31. g6+ Kxg6 32. Qg2 Rh6 33. Bxe6 Kh7 34. Bc4 Rd8 35. Bd3 Qd7 36. g4 Qd4 37. Qf2 Qa1+ 38. Re1 Qxa3 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.05"]
[Round "1"]
[White "Pinzon, Jairo David"]
[Black "Cayon, Laura Valentina"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2151"]
[BlackElo "1660"]
[PlyCount "38"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e3 Nf6 2. b3 e5 3. Bb2 Nc6 4. Bb5 Bd6 5. d4 exd4 6. exd4 Ne7 7. Nf3 c6 8. Bd3 Bc7 9. 0-0 0-0 10. Nbd2 d5 11. Ne5 Bf5 12. Qf3 Qc8 13. Rfe1 Bxd3 14. Nxd3 Ng6 15. g3 Qh3 16. Qg2 Qxg2+ 17. Kxg2 Rfe8 18. Ne5 a5 19. c3 Bxe5 1-0

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "1.4"]
[White "Lozada Zuniga, Andres"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1975"]
[BlackElo "2213"]
[PlyCount "10"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. c4 Nf6 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "7.4"]
[White "Pinzon, Jairo David"]
[Black "Corredor Rengifo, Luis Fernando"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2053"]
[BlackElo "1976"]
[PlyCount "115"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Tolima"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. Nf3 Nxc3 7. bxc3 Bd6 8. Be2 0-0 9. 0-0 Qe7 10. Rb1 Rb8 11. e4 h6 12. Re1 f5 13. Nd2 Be6 14. Qc2 Bc5 15. Bf3 f4 16. Nb3 Bb6 17. Bb2 Rbd8 18. Rbd1 Kh8 19. Qc1 Qf7 20. d4 Bxb3 21. axb3 exd4 22. Qc2 dxc3 23. Bxc3 Bd4 24. e5 Bxc3 25. Qxc3 Rxd1 26. Rxd1 Rd8 27. Re1 Nd4 28. Bxb7 c5 29. Ba6 f3 30. g3 Qe7 31. Bc4 Rf8 32. Kh1 Rf5 33. e6 Rf6 34. h3 Nc6 35. Kh2 Qd6 36. Re3 Qf8 37. Bd5 Ne7 38. Bxf3 a5 39. Kg2 Nf5 40. Re5 Qe7 41. Qxc5 Qxc5 42. Rxc5 Ne7 43. Bg4 g6 44. h4 h5 45. Bh3 Kg7 46. Rxa5 Rf8 47. Rc5 Rb8 48. Rc3 Kf6 49. Rf3+ Ke5 50. Re3+ Kf6 51. Kg1 Rb4 52. Kf1 Nd5 53. Rf3+ Ke5 54. Rf7 Kd6 55. Rd7+ Kc5 56. e7 Nf6 57. Rd8 Re4 58. Rf8 1-0

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "6.4"]
[White "Pinzon, Jairo David"]
[Black "Remicio Duque, John H"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2053"]
[BlackElo "1942"]
[PlyCount "61"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Caqueta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Qe2 0-0 10. Rd1 Bxc3 11. bxc3 Qc7 12. Bb2 Rfd8 13. Nd2 Nb6 14. Bb3 Bg6 15. e4 e5 16. f3 a5 17. Kh1 Rd7 18. Nf1 Rad8 19. Ne3 exd4 20. cxd4 Qf4 21. Bc3 Ra8 22. Rab1 Nbd5 23. Bd2 Nxe3 24. Bxe3 Qc7 25. Bc4 Bh5 26. Qb2 Re8 27. Rdc1 Qb8 28. Bd2 Red8 29. Bxa5 b6 30. Qxb6 Qxb6 31. Bxb6 1-0

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.28"]
[Round "7.4"]
[White "Escobar Medina, Andres F"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2232"]
[BlackElo "2151"]
[PlyCount "121"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Antioquia"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Nf6 7. e4 d6 8. Be2 0-0 9. 0-0 a5 10. Be3 a4 11. f3 Be6 12. Na3 Qa5 13. Nd5 Bxd5 14. cxd5 Ne5 15. Rc1 Rfc8 16. Rxc8+ Rxc8 17. Bb5 Qb4 18. Qd2 Qxd2 19. Bxd2 Ra8 20. Rc1 Ne8 21. Rc2 f5 22. exf5 gxf5 23. f4 Ng4 24. Bd7 Bd4+ 25. Kf1 Nxh2+ 26. Ke2 Ng7 27. Kd3 Bf6 28. Nc4 Ng4 29. Nb6 Rd8 30. Bxa4 Nf2+ 31. Ke2 Ne4 32. Be3 Ne8 33. Kf3 Kf7 34. g4 Nc5 35. Bxc5 fxg4+ 36. Kxg4 dxc5 37. Nd7 Bd4 38. Nxc5 Nf6+ 39. Kf3 b6 40. Nb7 Rb8 41. Bc6 Rg8 42. b4 h5 43. d6 exd6 44. Nxd6+ Ke6 45. Nb5 Bg1 46. Re2+ Kf7 47. Nd6+ Kf8 48. Nf5 Rg6 49. Re6 Kf7 50. Re7+ Kf8 51. Rb7 Ne8 52. Bxe8 Kxe8 53. Ng7+ Kd8 54. Nxh5 Rc6 55. f5 Rc2 56. f6 Rxa2 57. f7 Rf2+ 58. Kg3 Rf5 59. Ng7 Rf6 60. Ne6+ Kc8 61. Re7 1-0

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.27"]
[Round "6.4"]
[White "Pinzon, Jairo David"]
[Black "Acuna, Nelson David"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2151"]
[BlackElo "2017"]
[PlyCount "154"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Atlantico"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e3 c5 2. b3 d6 3. Bb2 Nd7 4. d4 Ngf6 5. Nf3 g6 6. Be2 Bg7 7. 0-0 0-0 8. c4 cxd4 9. Nxd4 Nc5 10. Nc3 a6 11. Qd2 Rb8 12. Rfd1 Bd7 13. Rac1 Qb6 14. h3 Nce4 15. Qc2 Nxc3 16. Bxc3 Rbc8 17. Bf3 Rfe8 18. Qb2 h5 19. Ne2 Bc6 20. Bxc6 Qxc6 21. Nf4 e5 22. Nd3 Ne4 23. Nb4 Qd7 24. Nd5 Qf5 25. Bb4 Nc5 26. Bxc5 dxc5 27. Qe2 e4 28. Rc2 Rc6 29. Rcd2 Be5 30. f4 exf3 31. Qxf3 Qg5 32. Rf1 f5 33. Re2 Rce6 34. Nf4 Rc6 35. Nd5 Qg3 36. Qxg3 Bxg3 37. Rf3 h4 38. e4 Kg7 39. Rfe3 Be5 40. Kf1 Bd4 41. Rf3 fxe4 42. Rf4 e3 43. Rxh4 Rf8+ 44. Ke1 Re6 45. Rf4 Rb8 46. Rf3 b5 47. Nxe3 Bxe3 48. Rfxe3 Rxe3 49. Rxe3 bxc4 50. Kd2 cxb3 51. Rxb3 Rf8 52. Ke3 Re8+ 53. Kd3 Rf8 54. g3 Rf2 55. a3 Kf6 56. Ke4 Re2+ 57. Kd5 Re5+ 58. Kc4 Kf5 59. Rf3+ Kg5 60. Rf4 Re3 61. Rg4+ Kf5 62. a4 g5 63. Kxc5 Rb3 64. Kc6 a5 65. Kc5 Rb1 66. Rd4 Rb3 67. Rd5+ Kf6 68. h4 g4 69. Rd6+ Kf5 70. Rd5+ Kf6 71. Kc6 Rxg3 72. Kb6 Rh3 73. Rg5 Rxh4 74. Rg8 Kf5 75. Kxa5 Kf4 76. Kb6 g3 77. Rxg3 Ke5 1/2-1/2

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.26"]
[Round "5.4"]
[White "Lopez Hernandez, Carlos Manuel"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2315"]
[BlackElo "2151"]
[PlyCount "109"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Bolivar"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e4 Bg7 8. Rb1 0-0 9. Be2 Qa5 10. 0-0 cxd4 11. cxd4 Qxa2 12. Bg5 Qa3 13. Qd2 Nc6 14. d5 Ne5 15. Nd4 a6 16. Rfc1 Qd6 17. f4 Nd7 18. e5 Nxe5 19. fxe5 Qxd5 20. Nf3 Qxd2 21. Bxd2 b5 22. Rc7 Bf5 23. Rbc1 Rfe8 24. Bb4 Bf8 25. Ra1 Be4 26. Kf2 h6 27. Ke3 Bd5 28. Rd1 Bb3 29. Rd3 Bc4 30. Ra3 Bd5 31. Bd3 e6 32. Bxf8 Kxf8 33. Be4 b4 34. Bxd5 exd5 35. Ra5 b3 36. Rxd5 b2 37. Rd1 Reb8 38. Rb1 a5 39. Rc2 Rb3+ 40. Kd2 Rd8+ 41. Ke2 Rdb8 42. Nd2 R3b4 43. Nc4 Rc8 44. Kd3 Rd8+ 45. Nd6 Rdb8 46. Rc7 a4 47. Rxf7+ Kg8 48. Ra7 Rb3+ 49. Kd4 Ra3 50. e6 Ra1 51. Ne4 Rb4+ 52. Kd5 Rb5+ 53. Kc6 Kf8 54. Rf7+ Ke8 55. Nd6+ 1-0

[Event "Medellin Raza op 9th"]
[Site "Medellin"]
[Date "2019.10.14"]
[Round "7"]
[White "Pinzon, Jairo David"]
[Black "Ramos Ariza, Juan Manuel"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2174"]
[BlackElo "1981"]
[PlyCount "79"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 e5 5. Bb5+ Nc6 6. Qd3 a6 7. Ba4 Nf6 8. Bg5 h6 9. Bxf6 Qxf6 10. Nc3 Be6 11. Nd5 Qd8 12. 0-0 Rc8 13. c3 b5 14. Bb3 Na5 15. Rfd1 Nc4 16. Bxc4 bxc4 17. Qc2 Qa5 18. b4 Qb5 19. a4 Qb7 20. Ra2 f5 21. Nh4 f4 22. Ng6 Rg8 23. f3 Kf7 24. Nxf8 Rgxf8 25. Qf2 g5 26. Rad2 Rfd8 27. g3 Rb8 28. gxf4 gxf4 29. Kh1 Rg8 30. a5 Qc6 31. Qh4 Bxd5 32. Qh5+ Rg6 33. Rxd5 Kg7 34. Qxg6+ Kxg6 35. Rxd6+ Qxd6 36. Rxd6+ Kh5 37. Rxa6 Rd8 38. Re6 Rd3 39. a6 Rxc3 40. a7 1-0

[Event "Medellin Raza op 9th"]
[Site "Medellin"]
[Date "2019.10.11"]
[Round "2"]
[White "Chirivi Castiblanco, Angie Lizeth"]
[Black "Pinzon, Jairo David"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1997"]
[BlackElo "2174"]
[PlyCount "85"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bg2 Bg7 6. Nxc6 bxc6 7. 0-0 Nf6 8. c4 0-0 9. Nc3 Rb8 10. Qc2 Qc7 11. b3 d5 12. c5 Nd7 13. Bb2 Qa5 14. Na4 Bxb2 15. Nxb2 Nxc5 16. Rfc1 Ne6 17. e3 Bb7 18. h4 Rbd8 19. Nd3 Rd6 20. b4 Qb6 21. a3 Nd8 22. h5 Re8 23. hxg6 hxg6 24. Ne5 Bc8 25. e4 Qd4 26. Qc3 Qxc3 27. Rxc3 e6 28. Rac1 Bb7 29. f4 Kg7 30. Nd3 Rd7 31. Nc5 Rde7 32. e5 Rf8 33. Bh3 Bc8 34. Nd3 Ba6 35. Nc5 Bc4 36. Ne4 Nb7 37. Nf6 c5 38. Bf1 Bxf1 39. Kxf1 c4 40. Kg2 Rh8 41. Rh1 Rxh1 42. Kxh1 Rc7 43. Ne8+ 1-0

[Event "Bogota Mentes op"]
[Site "Bogota"]
[Date "2019.09.17"]
[Round "3"]
[White "Pinzon, Jairo David"]
[Black "Cuellar, Jose Gabriel"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2210"]
[BlackElo "1679"]
[PlyCount "61"]
[EventDate "2019.09.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 Nd7 4. d4 Ne7 5. c3 c5 6. Bd3 Nc6 7. 0-0 Be7 8. Re1 cxd4 9. cxd4 Nb4 10. Bf1 a6 11. Nc3 h6 12. Be3 0-0 13. Qd2 f5 14. exf6 Rxf6 15. a3 Nc6 16. Bd3 Qf8 17. Nh4 Qf7 18. f4 Nf8 19. Nf3 Bd6 20. Ne5 Qe8 21. Re2 Ne7 22. Kh1 Nf5 23. Bf2 Bxe5 24. Rxe5 Ng6 25. Nxd5 Nxe5 26. Nxf6+ gxf6 27. fxe5 fxe5 28. dxe5 Qg6 29. Rc1 b5 30. Be4 Rb8 31. Qd8+ 1-0

[Event "COL-chT Interligas"]
[Site "Palmira"]
[Date "2019.04.29"]
[Round "6.3"]
[White "Pinzon, Jairo David"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2210"]
[BlackElo "2333"]
[PlyCount "48"]
[EventDate "2019.04.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Valle"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. e3 f5 6. Nge2 Nf6 7. 0-0 0-0 8. d3 c6 9. Rb1 a5 10. a3 Be6 11. b4 axb4 12. axb4 Nbd7 13. f4 Qc7 14. Qc2 Rae8 15. Bd2 Kh8 16. b5 Nc5 17. Na4 Nxa4 18. Qxa4 e4 19. b6 Qf7 20. Nd4 Bc8 21. Qb3 exd3 22. Qxd3 Ne4 23. Bc1 d5 24. cxd5 Qxd5 0-1

[Event "COL-chT Interligas"]
[Site "Palmira"]
[Date "2019.04.29"]
[Round "5.3"]
[White "Pinzon, Jairo David"]
[Black "Martinez Romero, Martin"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2210"]
[BlackElo "2433"]
[PlyCount "124"]
[EventDate "2019.04.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Bolivar"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 e6 6. Nge2 d5 7. d4 c6 8. b3 Nbd7 9. 0-0 b6 10. a4 Bb7 11. Ba3 Re8 12. cxd5 exd5 13. Nf4 Rc8 14. Nd3 Nf8 15. b4 Ne6 16. Qb3 Ne4 17. Rfd1 Ba6 18. Nxe4 dxe4 19. Ne5 Qd5 20. Qxd5 cxd5 21. b5 Bb7 22. Rac1 f6 23. Nc6 Bxc6 24. bxc6 Bf8 25. Bxf8 Kxf8 26. Rc3 Ke7 27. h4 Kd6 28. Rdc1 Nc7 29. f3 f5 30. g4 fxg4 31. fxg4 g5 32. hxg5 Ne6 33. Bf1 Rc7 34. Kg2 Nxg5 35. Bb5 Rg8 36. Rh1 Rg6 37. Kg3 h6 38. a5 bxa5 39. Ra1 Nh7 40. Rxa5 Nf6 41. Be2 h5 42. Rca3 Rgg7 43. Kh4 hxg4 44. Kg3 Nh5+ 45. Kg2 Rxc6 46. Ra6 Rb6 47. Bd1 Nf6 48. Rxa7 Rb2+ 49. Kf1 Rxa7 50. Rxa7 Rb1 51. Ke1 Nd7 52. Ra6+ Ke7 53. Rg6 Nb6 54. Kf2 g3+ 55. Kxg3 Nc4 56. Bg4 Nxe3 57. Kf4 Nxg4 58. Rxg4 Kf6 59. Rh4 Rf1+ 60. Kg4 Ke6 61. Rh6+ Kd7 62. Ra6 e3 0-1

[Event "COL-chT Interligas"]
[Site "Palmira"]
[Date "2019.04.28"]
[Round "3.3"]
[White "Pinzon, Jairo David"]
[Black "Arango Arenas, Juan Camilo"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2210"]
[BlackElo "2229"]
[PlyCount "89"]
[EventDate "2019.04.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Valle Carlos Cuartas"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 Bc5 5. a3 a5 6. d4 exd4 7. exd4 Qe7+ 8. Be2 Ba7 9. Nf3 d5 10. 0-0 0-0 11. Re1 Qd8 12. h3 Be6 13. c5 Ne7 14. Nbd2 c6 15. Bd3 Bb8 16. Ne5 Bf5 17. Qc2 Bxd3 18. Qxd3 Ng6 19. g3 Nd7 20. f4 Ngxe5 21. fxe5 Qg5 22. Kg2 Re8 23. Nf3 Qg6 24. Qe2 f6 25. Nh4 Qe4+ 26. Qxe4 dxe4 27. Rxe4 fxe5 28. Rae1 Bc7 29. R4e2 Re6 30. Nf3 Rae8 31. b4 axb4 32. axb4 Ra8 33. dxe5 Ra4 34. Bc3 Ra3 35. Re3 h6 36. R1e2 b6 37. Rd3 Nf6 38. Nd4 Rxe5 39. Rxe5 Bxe5 40. cxb6 Nd7 41. b7 Nb8 42. Nb5 Ra2+ 43. Kf3 Bxc3 44. Rd8+ Kh7 45. Nxc3 1-0

[Event "COL-chT Interligas"]
[Site "Palmira"]
[Date "2019.04.27"]
[Round "1.3"]
[White "Pinzon, Jairo David"]
[Black "Casas, Jose Fernando"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2210"]
[BlackElo "1750"]
[PlyCount "49"]
[EventDate "2019.04.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Bogota"]
[BlackTeam "Fuerzas Armadas II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Bc4 d6 3. Nc3 Nc6 4. f4 Qh4+ 5. g3 Qg4 6. Be2 Qd7 7. d3 Be7 8. Nf3 Nf6 9. Be3 Ng4 10. Bg1 exf4 11. gxf4 b5 12. Qd2 Bf6 13. 0-0-0 Nb4 14. Kb1 Bb7 15. d4 0-0 16. Bxb5 Qe7 17. Re1 a5 18. h3 Nh6 19. d5 Rfb8 20. e5 dxe5 21. fxe5 Bh4 22. Nxh4 Qxh4 23. Bf2 Qe7 24. Rhg1 Kh8 25. Be3 1-0

[Event "COL-chT Interligas"]
[Site "Palmira"]
[Date "2019.04.27"]
[Round "2.3"]
[White "Rativa Jimenez, Cesar Daniel"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "1797"]
[BlackElo "2210"]
[PlyCount "68"]
[EventDate "2019.04.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nb3 e6 8. 0-0 a6 9. Be3 Qc7 10. a4 b6 11. f4 Be7 12. Be2 Bb7 13. Bf3 0-0 14. Qe1 Nb4 15. Qf2 Nd7 16. Rac1 Nc5 17. f5 Nxb3 18. cxb3 Nd3 19. Qg3 Nxc1 20. Bh6 Qc5+ 21. Kh1 Qe5 22. Bf4 Qf6 23. e5 dxe5 24. Bxe5 Qg5 25. Bxb7 Qxg3 26. Bxg3 Ra7 27. Bxa6 Nxb3 28. Bb5 exf5 29. Rxf5 Nd4 30. Rd5 Nxb5 31. Rxb5 Bc5 32. h3 Ra5 33. Rb3 f5 34. Bc7 Ra6 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.16"]
[Round "2"]
[White "Pinzon, Jairo David"]
[Black "Quiros, Juan Pablo"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2208"]
[BlackElo "2044"]
[PlyCount "82"]
[EventDate "2018.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. e3 e6 4. f4 Nf6 5. Nf3 h6 6. Be2 Nbd7 7. 0-0 c6 8. Ne5 Nxe5 9. fxe5 Nd7 10. Bg4 Bxg4 11. Qxg4 Qg5 12. Qxg5 hxg5 13. d4 f6 14. exf6 gxf6 15. c4 Bd6 16. h3 f5 17. Ba3 Bxa3 18. Nxa3 Ke7 19. Rac1 Rac8 20. Rc2 Nf6 21. cxd5 Nxd5 22. Re1 Nf6 23. Nc4 Rhd8 24. Ne5 Rd5 25. b4 Ne4 26. a4 Nd6 27. g3 a5 28. Rb1 axb4 29. Rxb4 c5 30. Rb1 Kd8 31. Rbc1 cxd4 32. Rxc8+ Nxc8 33. Nf7+ Kd7 34. exd4 Rxd4 35. Nxg5 Rxa4 36. Nxe6 Kxe6 37. Rxc8 Kf6 38. Kf2 Ra2+ 39. Kf3 Ra3+ 40. Kf4 Ra4+ 41. Kf3 Ke7 1/2-1/2

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.16"]
[Round "3"]
[White "Prado, Leonardo"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2126"]
[BlackElo "2208"]
[PlyCount "59"]
[EventDate "2018.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[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. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. Re1 e6 7. d3 Nge7 8. c3 0-0 9. Qe2 Rb8 10. g4 b5 11. Bf4 e5 12. Bg3 Bxg4 13. h3 Bd7 14. Nbd2 f5 15. Nh2 f4 16. Bh4 h6 17. f3 g5 18. Bf2 Ng6 19. Kh1 Be6 20. b3 a5 21. Rab1 b4 22. c4 Rf7 23. Rg1 Kh8 24. Bf1 Qd7 25. Ng4 h5 26. Nxe5 Ncxe5 27. Rxg5 Bf8 28. Rxh5+ Rh7 29. Rxh7+ Kxh7 30. Kh2 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.15"]
[Round "1"]
[White "Vargas, Pedro"]
[Black "Pinzon, Jairo David"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "2052"]
[BlackElo "2208"]
[PlyCount "96"]
[EventDate "2018.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[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. Be2 e5 7. Nb3 Be6 8. Bg5 Be7 9. 0-0 0-0 10. Kh1 h6 11. Bh4 Nxe4 12. Nxe4 Bxh4 13. Qxd6 Bf5 14. Qxd8 Rfxd8 15. Bf3 Nd4 16. Nxd4 Rxd4 17. Rae1 Re8 18. g3 Be7 19. Kg2 b6 20. Re2 Bg6 21. Nc3 Bc5 22. Rfe1 f6 23. a3 Red8 24. Nb5 R4d7 25. b4 Bf8 26. Be4 Bxe4+ 27. Rxe4 a6 28. Nc3 Rc7 29. R4e3 b5 30. R1e2 Rdc8 31. Nd5 Rxc2 32. f4 exf4 33. gxf4 Kf7 34. Kf3 Rxe2 35. Rxe2 Bd6 36. Re3 Rc4 37. h3 Rd4 38. Nc3 Rxf4+ 39. Ke2 Rd4 40. Ne4 Be7 41. Ng3 g6 42. Rc3 Bd6 43. Nf1 Bf4 44. Rc6 Rd6 45. Rxd6 Bxd6 46. Nd2 Ke6 47. Kf3 f5 48. Ke3 g5 0-1

