[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "9"]
[White "Arenas Gonzalez, Juan Jose"]
[Black "Buitrago Garces, Maicol"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1287"]
[BlackElo "1285"]
[PlyCount "50"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[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. Bf4 0-0-0 11. a4 Bb4 12. Rf1 Bc4 13. Nfd2 Be2 14. Qc1 Bxf1 15. Nxf1 Rhe8 16. Nfg3 Qd5 17. f3 f5 18. c3 dxc3 19. Nxc3 Bxc3 20. bxc3 h6 21. Nf1 g5 22. Bg3 f4 23. Bf2 Re2 24. Qa3 Ne5 25. Bxa7 Nd3 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "8"]
[White "Medina Caicedo, Victor Manuel"]
[Black "Arenas Gonzalez, Juan Jose"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "1575"]
[BlackElo "1287"]
[PlyCount "103"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 cxd5 6. g3 Bg7 7. Bg2 Nc6 8. 0-0 0-0 9. Ne5 e6 10. Nf3 a6 11. e3 b5 12. a3 Bd7 13. Ne1 Rc8 14. Bd2 Na5 15. Nd3 Nc4 16. b3 Nxd2 17. Qxd2 Re8 18. Rfc1 Bf8 19. f4 a5 20. b4 a4 21. Nc5 Bc6 22. Bf3 Nd7 23. Qe2 Qb6 24. Rab1 Nf6 25. Qd3 Red8 26. Be2 Rb8 27. Bf3 Ne8 28. h4 Nd6 29. h5 Nc4 30. hxg6 hxg6 31. Ne2 Be7 32. Kg2 Kg7 33. Rh1 Rh8 34. g4 Rxh1 35. Rxh1 Rg8 36. Ng3 Bd6 37. Kf2 Kf8 38. Rh7 Qd8 39. g5 Ke7 40. Bg4 Rh8 41. Nxe6 Qg8 42. Rg7 Rh2+ 43. Kg1 Qh8 44. Qxg6 Be8 45. Qf6+ Kd7 46. Qd8+ Kc6 47. Qc8+ Kb6 48. Qd8+ Ka6 49. Nc5+ Bxc5 50. Bc8+ Ka7 51. Qc7+ Ka8 52. Qb7# 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "7"]
[White "Arenas Gonzalez, Juan Jose"]
[Black "Madrid Blandon, Luis Felipe"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1287"]
[BlackElo "1504"]
[PlyCount "63"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. c4 Nf6 4. Nf3 Bd6 5. Bg3 b6 6. Nc3 Bb7 7. Rc1 Nc6 8. e3 Ne7 9. Ne5 Nf5 10. Nb5 Nxg3 11. Nxd6+ cxd6 12. Qa4+ Kf8 13. hxg3 dxe5 14. c5 exd4 15. c6 Bc8 16. c7 Qe8 17. Bb5 Bd7 18. Bxd7 Nxd7 19. exd4 g6 20. 0-0 Kg7 21. Rc3 Nf6 22. Qa6 Qc8 23. Qe2 Ne4 24. Rc2 Qb7 25. f3 Nf6 26. Qe5 h6 27. g4 g5 28. f4 Kg6 29. f5+ Kg7 30. fxe6 Rhf8 31. Qxf6+ Kh7 32. e7 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "6"]
[White "Sanchez Riscanevo, Santiago"]
[Black "Arenas Gonzalez, Juan Jose"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1432"]
[BlackElo "1287"]
[PlyCount "95"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bc5 6. Be3 Qb6 7. Na4 Qa5+ 8. c3 Bxd4 9. Bxd4 Nxd4 10. Qxd4 Nf6 11. e5 Nd5 12. Bd3 b6 13. Qh4 Bb7 14. 0-0 Rc8 15. Bc2 b5 16. b4 Qd8 17. Qxd8+ Kxd8 18. Nc5 Ba8 19. Rfd1 Rc7 20. Rd3 Nf4 21. Rd2 Bxg2 22. Rd4 Ne2+ 23. Kxg2 Nxd4 24. cxd4 f6 25. Bd3 fxe5 26. dxe5 a5 27. a3 Ke7 28. Bxb5 Rf8 29. Rd1 Rf5 30. Rxd7+ Rxd7 31. Nxd7 axb4 32. axb4 Rf4 33. Nb8 Kd8 34. Kg3 g5 35. Nc6+ Kc7 36. Ba4 Rc4 37. Kf3 h5 38. Ke3 Rh4 39. Nd4 Rh3+ 40. Ke2 Rxh2 41. Nxe6+ Kb6 42. Nxg5 Rg2 43. Ne4 Rg7 44. f4 h4 45. Ng5 Ra7 46. Bc2 Kb5 47. f5 Kc4 48. f6 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "5"]
[White "Arenas Gonzalez, Juan Jose"]
[Black "Schettini Acuna, Massimo Matteo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1287"]
[BlackElo "1008"]
[PlyCount "23"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. c4 e6 4. Nf3 c5 5. e3 Nc6 6. Nc3 b6 7. Nb5 Ne4 8. Nc7+ Kd7 9. Qa4 g5 10. Ne5+ Kxc7 11. Qxc6+ Kb8 12. Nd7# 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "4"]
[White "Varela Sanchez, David Yoel"]
[Black "Arenas Gonzalez, Juan Jose"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1491"]
[BlackElo "1287"]
[PlyCount "33"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 e6 4. Nf3 cxd4 5. cxd4 Nge7 6. d5 exd5 7. exd5 Qa5+ 8. Nc3 Nd8 9. Bc4 d6 10. Bd2 Qc7 11. Nb5 Qd7 12. Qa4 Ndc6 13. dxc6 bxc6 14. Ba5 Nd5 15. Bxd5 cxb5 16. Qe4+ Be7 17. Bc6 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "3"]
[White "Arenas Gonzalez, Juan Jose"]
[Black "Pena Ramirez, Axel Daniel"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1287"]
[BlackElo "1406"]
[PlyCount "59"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 Nf6 4. d5 Ne7 5. Nbd2 d6 6. Be2 Ng6 7. 0-0 Nf4 8. c4 c5 9. Re1 Bh3 10. gxh3 Nxh3+ 11. Kg2 Qd7 12. Ng1 Nf4+ 13. Kh1 h5 14. Nf1 Nxe4 15. Be3 Qf5 16. Ng3 Qg5 17. Bxf4 exf4 18. Nxe4 Qg6 19. Qa4+ Kd8 20. Bf3 f5 21. Ng5 Be7 22. Ne6+ Kc8 23. Re2 h4 24. Rae1 Re8 25. Nf8 Rxf8 26. Rxe7 Rd8 27. Qa5 Rd7 28. Re8+ Qxe8 29. Rxe8+ Rd8 30. Qxd8# 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "2"]
[White "Ramirez Villegas, Nicolas David"]
[Black "Arenas Gonzalez, Juan Jose"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1547"]
[BlackElo "1287"]
[PlyCount "107"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Be7 5. Bg2 d6 6. 0-0 Nf6 7. Re1 0-0 8. Nbd2 e5 9. Nf1 Be6 10. b3 Qd7 11. Bb2 Nd4 12. c3 Nxf3+ 13. Bxf3 Bh3 14. d4 Qe6 15. Bg2 cxd4 16. cxd4 Bxg2 17. Kxg2 Rac8 18. Nd2 Nd7 19. Nf3 f5 20. dxe5 Nxe5 21. Bxe5 dxe5 22. Rc1 Rcd8 23. Qe2 f4 24. Qc4 Qxc4 25. Rxc4 Bd6 26. Rd1 Bb8 27. Rxd8 Rxd8 28. gxf4 exf4 29. e5 Kf7 30. Rxf4+ Ke6 31. Re4 h6 32. Rg4 Rd7 33. Re4 Kf5 34. Re2 Re7 35. Nd4+ Kf4 36. e6 Be5 37. Nb5 a6 38. Na3 b5 39. Nc2 Rxe6 40. f3 Rg6+ 41. Kf2 Bd6 42. Re4+ Kg5 43. h3 Bc5+ 44. Ne3 Bb6 45. Ke2 Bxe3 46. Kxe3 Rf6 47. Rg4+ Kh5 48. Rxg7 Kh4 49. f4 h5 50. Ke4 Kxh3 51. f5 h4 52. Ke5 Rf8 53. f6 Kh2 54. f7 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.28"]
[Round "1"]
[White "Arenas Gonzalez, Juan Jose"]
[Black "Gonzalez Velasco, Leandro"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1287"]
[BlackElo "1952"]
[PlyCount "54"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nd2 d5 4. Ngf3 Bg7 5. e3 0-0 6. Rc1 c5 7. Be2 Nc6 8. c3 Nh5 9. Bg3 Nxg3 10. hxg3 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Nf3 Bg7 14. 0-0 b6 15. Qc2 Bb7 16. Rfd1 Qc7 17. Qb3 Rad8 18. Rd2 Rfe8 19. Rcd1 Bh6 20. Rc2 Re6 21. c4 Red6 22. Qa3 d4 23. exd4 Be4 24. Bd3 Bxf3 25. gxf3 Rxd4 26. Rc3 b5 27. Qb3 b4 0-1

