[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "8"]
[White "Barbosa, Mattew"]
[Black "Cortes Espana, Diego Alejandro"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1529"]
[BlackElo "1169"]
[PlyCount "73"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 d6 3. e3 Nf6 4. d4 cxd4 5. exd4 e6 6. Nc3 Be7 7. Be2 Nbd7 8. 0-0 0-0 9. Bd2 b6 10. Rb1 Bb7 11. b4 Rc8 12. a4 Bxf3 13. Bxf3 Rxc4 14. d5 exd5 15. Nxd5 Nxd5 16. Bxd5 Rd4 17. Bf3 Ne5 18. Be2 Nc4 19. Bxc4 Rxc4 20. Qe2 d5 21. Rfc1 Re4 22. Qa6 Qd7 23. a5 bxa5 24. bxa5 Ra8 25. Rb7 Qd6 26. Qb5 h6 27. g3 Kh7 28. Rcc7 Bf6 29. Rxf7 Rd4 30. Qb1+ Re4 31. f3 Qc5+ 32. Kg2 Qd4 33. fxe4 Qxd2+ 34. Kh3 Bc3 35. e5+ Kg8 36. Rxg7+ Kf8 37. Qf5+ 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "9"]
[White "Hurtado, Juan Felipe"]
[Black "Barbosa, Mattew"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1398"]
[BlackElo "1529"]
[PlyCount "75"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. 0-0 Na6 9. Ne1 Ne8 10. Nd3 f5 11. a3 Rf7 12. Bd2 Bf8 13. b4 axb4 14. axb4 Bd7 15. Qb3 f4 16. f3 g5 17. Na4 b6 18. Nab2 Nf6 19. Qa3 h5 20. b5 Qc8 21. Rfc1 Rg7 22. Nb4 g4 23. bxa6 g3 24. Be1 h4 25. Bf1 Nh7 26. Nc6 Ng5 27. c5 b5 28. a7 Bxc6 29. dxc6 gxh2+ 30. Kh1 h3 31. Rc2 Rh7 32. Bxb5 Kh8 33. Ba6 Qe8 34. Bb7 Qe6 35. Bxa8 hxg2+ 36. Rxg2 Qh3 37. Rf2 Rg7 38. Rxh2 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "6"]
[White "Barbosa, Mattew"]
[Black "Jimenez Rios, Manuel David"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1529"]
[BlackElo "1356"]
[PlyCount "106"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 c5 3. e3 Nc6 4. d4 Bg7 5. Nc3 d6 6. Be2 Nf6 7. 0-0 0-0 8. Bd2 Bd7 9. d5 Nb4 10. a3 Na6 11. e4 e6 12. Bd3 Nc7 13. Rb1 a6 14. b4 b5 15. bxc5 dxc5 16. cxb5 exd5 17. b6 Nb5 18. e5 Ng4 19. Nxb5 axb5 20. Bxb5 Nxe5 21. b7 Rb8 22. Nxe5 Bxe5 23. Bxd7 Qxd7 24. Qb3 Rfe8 25. a4 Re7 26. Qa3 Bd4 27. Bc3 Bxc3 28. Qxc3 c4 29. a5 Rxb7 30. Ra1 Re6 31. a6 Ra7 32. Rfb1 Qd8 33. Rb7 Raxa6 34. Rab1 Rab6 35. h3 Rxb1+ 36. Rxb1 Qf6 37. Qa3 Re8 38. Qc5 Rd8 39. Rc1 Qb2 40. Re1 c3 41. Qd4 Qd2 42. Qxd2 cxd2 43. Rd1 Kg7 44. Rxd2 d4 45. g4 g5 46. Kg2 Kf6 47. Kf3 Ke5 48. Re2+ Kd6 49. Rd2 Kc5 50. Ke4 Kc4 51. Rc2+ Kb3 52. Kd3 Rd6 53. Rc5 h6 1/2-1/2

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "7"]
[White "Guarin Fonseca, Nobel Alfredo"]
[Black "Barbosa, Mattew"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1986"]
[BlackElo "1529"]
[PlyCount "99"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Qb3 Qc8 8. Nc3 dxc4 9. Qxc4 Nbd7 10. Nh4 Bg6 11. Nxg6 hxg6 12. e4 c5 13. d5 Nb6 14. Qe2 exd5 15. exd5 Re8 16. Qf3 Bd6 17. a4 a6 18. Bf4 Qc7 19. Bg5 Nh7 20. Be3 Nc4 21. Ne4 Nxe3 22. Nxd6 Qxd6 23. fxe3 Re7 24. Rac1 Rae8 25. Qf4 Qf6 26. Rxc5 Rxe3 27. Qxe3 Qxf1+ 28. Kxf1 Rxe3 29. Rc8+ Nf8 30. d6 Rd3 31. Rd8 f5 32. Bxb7 Kf7 33. Bxa6 Rd2 34. Bc4+ Ne6 35. Rd7+ Kf6 36. b3 Nc5 37. Rc7 Ne6 38. a5 Rxd6 39. Bxe6 Kxe6 40. Rxg7 Kd5 41. Rb7 Rc6 42. Rb6 Rc1+ 43. Kg2 g5 44. b4 g4 45. Rb5+ Ke4 46. a6 Rc2+ 47. Kf1 Ra2 48. Ra5 Rb2 49. a7 Ke3 50. Ra3+ 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "4"]
[White "Barbosa, Mattew"]
[Black "Sanchez Burgos, Carlos Antonio"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1529"]
[BlackElo "1313"]
[PlyCount "112"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Ne7 4. Nf3 Nbc6 5. Bb5 a6 6. Bxc6 Nxc6 7. 0-0 d5 8. exd5 exd5 9. d3 Be7 10. b3 0-0 11. Bb2 Bf6 12. Rb1 b5 13. Ne5 Nxe5 14. fxe5 Bxe5 15. Qh5 Bd4+ 16. Kh1 Be6 17. Ne2 Bxb2 18. Rxb2 f6 19. d4 Bf7 20. Qg4 Qe8 21. Ng3 cxd4 22. Nf5 Bg6 23. Qxd4 Qe5 24. Qxd5+ Kh8 25. Qxe5 fxe5 26. Ng3 Rxf1+ 27. Nxf1 Rd8 28. Kg1 Rd1 29. Kf2 b4 30. h3 Be4 31. Ke2 Rd6 32. Ne3 Rc6 33. Kf2 Rc3 34. Ke2 h5 35. Kd2 Rc6 36. a3 bxa3 37. Ra2 Rg6 38. g4 hxg4 39. hxg4 Rh6 40. Nf1 Rh1 41. Ke3 Bxc2 42. Rxc2 Rxf1 43. Ra2 Rf4 44. Rxa3 Rxg4 45. Kf3 Rg6 46. Ke4 Rb6 47. Kxe5 Rb5+ 48. Kf4 a5 49. Ra4 Kh7 50. Ra2 g6 51. Rh2+ Kg7 52. Ra2 g5+ 53. Kg4 Kg6 54. Ra3 Kf6 55. Ra2 Rb4+ 56. Kh5 Rh4# 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "5"]
[White "Canar Lopez, Taylor Nicolas"]
[Black "Barbosa, Mattew"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1529"]
[PlyCount "70"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nc3 a6 4. Nf3 e6 5. d3 Nf6 6. Bf4 d5 7. Bb3 Be7 8. Qe2 0-0 9. 0-0-0 Re8 10. Rdg1 b5 11. e5 Nd7 12. g3 Bb7 13. h4 c4 14. dxc4 dxc4 15. Bxc4 bxc4 16. Qxc4 Rc8 17. Qe2 Qa5 18. Ne4 Nb4 19. Kd1 Qd5+ 20. Ned2 Red8 21. Ke1 Nxc2+ 22. Kf1 Nd4 23. Qd3 Nxf3 24. Qxd5 Bxd5 25. Rg2 Nxd2+ 26. Kg1 Rc1+ 27. Kh2 Rxh1+ 28. Kxh1 Bxg2+ 29. Kxg2 Nc5 30. b3 Ndxb3 31. axb3 Nxb3 32. Kh3 a5 33. Be3 a4 34. Bb6 a3 35. Bxd8 Bxd8 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "2"]
[White "Barbosa, Mattew"]
[Black "Mora Munoz, Alejandro"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "1529"]
[BlackElo "1983"]
[PlyCount "55"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be3 0-0 6. Qd2 e5 7. d5 Ng4 8. Bg5 f6 9. Be3 Nxe3 10. Qxe3 Rf7 11. Be2 Qf8 12. g4 Bh6 13. Qd3 Na6 14. a3 Nc5 15. Qc2 a5 16. h4 a4 17. f3 Bf4 18. Nh3 Bg3+ 19. Nf2 Nb3 20. Rd1 Qh6 21. Rd3 Nc5 22. Rd2 Qf4 23. Ncd1 f5 24. Rh3 fxg4 25. Rxg3 Qxg3 26. fxg4 Qg1+ 27. Bf1 Bxg4 28. Nxg4 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "3"]
[White "Lopez, Ricardo Andres"]
[Black "Barbosa, Mattew"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1685"]
[BlackElo "1529"]
[PlyCount "87"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6 6. Bf4 Bg7 7. Bc4 d6 8. 0-0 a6 9. Rc1 b5 10. Nxb5 axb5 11. Bxb5 Bd7 12. Bxc6 Bxc6 13. Rxc6 Nf6 14. Re1 0-0 15. a3 Nd7 16. Qd2 Re8 17. Rd1 Qb8 18. Rc2 Rc8 19. Rxc8+ Qxc8 20. Be3 Qb7 21. Bd4 Nf6 22. e5 dxe5 23. Bxe5 Qb3 24. Qd3 Qxd3 25. Rxd3 Nh5 26. Bxg7 Nxg7 27. Kf1 Kf8 28. b4 Nf5 29. Ne5 f6 30. Nc6 Nd6 31. Rb3 Nb5 32. Na5 Ke8 33. Rh3 h5 34. g4 Kf7 35. gxh5 gxh5 36. a4 Nd4 37. Rxh5 e5 38. Rh7+ Ke6 39. Rc7 Kd6 40. Rc3 Ra7 41. Nc4+ Ke6 42. Nb6 Ra6 43. a5 Kd6 44. h4 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.28"]
[Round "1"]
[White "Cifuentes Camacho, Miguel Angel"]
[Black "Barbosa, Mattew"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1784"]
[BlackElo "1529"]
[PlyCount "60"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Nc3 g6 6. d3 Bg7 7. Bf4 a6 8. Bxc6 Nxc6 9. Bd6 b6 10. e5 Bb7 11. Ne4 f5 12. Nc3 g5 13. Re1 h5 14. Nd2 g4 15. Na4 h4 16. Nc4 h3 17. Bxc5 bxc5 18. Nd6+ Kf8 19. Nxb7 Qc7 20. Naxc5 Bxe5 21. Rxe5 Nxe5 22. d4 Nf7 23. d5 hxg2 24. d6 Qc6 25. Qd4 Rh6 26. Rd1 Ng5 27. Rd3 Kf7 28. Qf4 Nh3+ 29. Rxh3 Rxh3 30. Qg5 Rxh2 0-1

