[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.10"]
[Round "6"]
[White "Jaimes Franco, Francisco Javier"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1400"]
[BlackElo "1609"]
[PlyCount "28"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Bg7 6. Qd4 d6 7. Nf3 Nc6 8. Qd5 Ncxe5 9. h3 Nxf3+ 10. exf3 Bxb2 11. fxg4 Bxa1 12. Bd3 Qe7+ 13. Be2 Bg7 14. Nc3 Bxc3+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.09"]
[Round "3"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Barragan Guarin, Hansel David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1609"]
[PlyCount "23"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Bf5 4. c4 dxc4 5. Bxc4 Nf6 6. Qb3 e6 7. Qxb7 Bb4+ 8. Nc3 0-0 9. Qxc6 Bd3 10. Bxd3 Ne8 11. Qe4 Nd6 12. Qxh7# 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.09"]
[Round "5"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Sarmiento, Juan Diego"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1609"]
[BlackElo "1725"]
[PlyCount "84"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 Bd6 5. Nbd2 c5 6. c3 Nc6 7. Bg3 0-0 8. Bd3 Re8 9. e4 e5 10. dxc5 Bxc5 11. exd5 Nxd5 12. Ne4 Bb6 13. Nfg5 f5 14. Qh5 h6 15. Nf7 Qe7 16. Ned6 Rf8 17. Bh4 Nf6 18. Nxc8 Raxc8 19. Nxh6+ gxh6 20. Qxh6 Na5 21. Bxf5 Rc6 22. 0-0-0 Qg7 23. Qd2 Nc4 24. Qc2 Qh6+ 25. Kb1 Qxh4 26. Rd3 Bxf2 27. Rh3 Ne3 28. Qb3+ Qc4 29. Qxb7 Nxf5 30. Rf3 Qe4+ 31. Ka1 Rd6 32. Qc7 Rfd8 33. a3 Rd1+ 34. Rxd1 Rxd1+ 35. Ka2 Qb1+ 36. Kb3 Nd4+ 37. cxd4 Rd3+ 38. Rxd3 Qxd3+ 39. Ka2 Qxd4 40. Qc8+ Kg7 41. Qb7+ Qd7 42. Qf3 Qd5+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.09"]
[Round "4"]
[White "Torres Luna, Samuel Alejandro"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1609"]
[PlyCount "90"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Qb6 6. Qb3 c4 7. Qc2 g6 8. Ngf3 Bf5 9. Qc1 e6 10. Nh4 Be4 11. Be2 Bg7 12. Nhf3 0-0 13. 0-0 Qd8 14. Ne5 Nxe5 15. dxe5 Nd7 16. Nxe4 dxe4 17. Bxc4 Nxe5 18. Be2 Qh4 19. Qd1 Rfd8 20. Qc2 Nd3 21. Bg3 Qg5 22. Rad1 Rd5 23. Bxd3 exd3 24. Rxd3 Rb5 25. Qe2 h5 26. f4 Qc5 27. Bf2 Qc6 28. Rfd1 Ra5 29. a3 Bf6 30. Qf3 Qxf3 31. gxf3 Rb5 32. R1d2 Rc8 33. e4 a5 34. e5 Bg7 35. b4 Bh6 36. Rd8+ Rxd8 37. Rxd8+ Kg7 38. c4 axb4 39. cxb5 bxa3 40. Ra8 Bxf4 41. Bd4 Bc1 42. Bc5 Bb2 43. Bxa3 Bxe5 44. Ra7 Bd4+ 45. Kg2 Bxa7 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.08"]
[Round "1"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Suarez Pinto, Sergio Rafael"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1609"]
[BlackElo "1948"]
[PlyCount "76"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Qb3 Qc8 7. h3 e6 8. Be2 Be7 9. Ngf3 h6 10. g4 Bg6 11. Ne5 Bh7 12. Bg3 Nxe5 13. Bxe5 c4 14. Qd1 b5 15. 0-0 0-0 16. h4 Nd7 17. Bg3 Qd8 18. h5 b4 19. Bf3 bxc3 20. bxc3 Qa5 21. Nb1 Rfe8 22. Qc1 Nf6 23. Bd1 Ne4 24. Bh2 Rac8 25. Bc2 Rc6 26. f3 Nd6 27. Bxh7+ Kxh7 28. Qc2+ Kg8 29. e4 dxe4 30. fxe4 Qg5 31. Qe2 f5 32. d5 exd5 33. exd5 Rcc8 34. Qe6+ Kh8 35. Bxd6 Qxg4+ 36. Kh2 Bxd6+ 37. Qxd6 Re2+ 38. Kh1 Qg2# 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.08"]
[Round "2"]
[White "Osorio Colmenares, Miguel Angel"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1484"]
[BlackElo "1609"]
[PlyCount "13"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Bxc3+ 7. Nxc3 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "8"]
[White "Bernal Morales, Maria Angel"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1217"]
[BlackElo "1287"]
[PlyCount "74"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Bc4 a6 7. Nf3 Nf6 8. 0-0 b5 9. Bb3 Bb7 10. Bg5 Ng4 11. h3 h6 12. Bh4 Nf6 13. Bg3 e5 14. Qd3 Be7 15. Nh4 0-0 16. Qf3 Nd4 17. Qe3 Nxb3 18. cxb3 Bc5 19. Qf3 b4 20. Ne2 Bxe4 21. Bxe5 Qxe5 22. Qg3 Qxg3 23. Nxg3 Bb7 24. Nhf5 Ne4 25. Ne2 Rae8 26. Kh1 Nxf2+ 27. Rxf2 Bxf2 28. Nf4 Re1+ 29. Rxe1 Bxe1 30. Kg1 Bd2 31. Nd3 Be4 32. Ng3 Bxd3 33. a3 Rc8 34. axb4 Bxb4 35. Kf2 Bc5+ 36. Ke1 Be3 37. Kd1 Rc1# 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Cortes Morales, Jeronimo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1287"]
[BlackElo "1096"]
[PlyCount "70"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bb5 a6 6. Bxc6 bxc6 7. d3 Nf6 8. 0-0 0-0 9. Qe1 e6 10. f5 d5 11. Qh4 Nh5 12. fxe6 Bxe6 13. Ng5 h6 14. Nf3 Qxh4 15. Nxh4 Rab8 16. Na4 Bd4+ 17. Kh1 c4 18. exd5 cxd5 19. dxc4 dxc4 20. Bxh6 Rfe8 21. Nc3 Rxb2 22. Ne2 Bf6 23. Nf3 Rxc2 24. Ned4 Rb2 25. Rac1 Bd5 26. Nc2 Re2 27. Nfe1 Bxg2+ 28. Nxg2 Rbxc2 29. Rxc2 Rxc2 30. Nf4 Nxf4 31. Bxf4 Rxa2 32. Bc7 Bg7 33. Rf3 c3 34. h4 c2 35. Rf1 Ra1 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "7"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Vargas Restrepo, Daniela"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1287"]
[BlackElo "1508"]
[PlyCount "82"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Bf5 4. c4 e6 5. Nc3 Bb4 6. Qb3 Nf6 7. cxd5 exd5 8. Bb5 Bxc3+ 9. Qxc3 0-0 10. Bxc6 bxc6 11. Qxc6 Rb8 12. Qxc7 Rxb2 13. Qxd8 Rxd8 14. Nf3 Bd3 15. Nd2 Rc8 16. f3 Rcc2 17. e4 dxe4 18. Be3 Nd5 19. Kf2 Nxe3 20. Kxe3 Rxd2 21. fxe4 h6 22. d5 Bb5 23. Rab1 Re2+ 24. Kf4 g5+ 25. Ke5 a5 26. Rhe1 Rxg2 27. d6 g4 28. Rxb2 Rxb2 29. Rd1 Bd7 30. Kf6 Rxh2 31. Ke7 Ba4 32. d7 Bxd7 33. Kxd7 Re2 34. Rd4 g3 35. Rd3 g2 36. Rg3+ Kf8 37. Kc6 h5 38. e5 h4 39. Rg5 Ke7 40. Kd5 h3 41. Rg7 Kf8 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "6"]
[White "Reyes Aristizabal, Andres"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1587"]
[BlackElo "1287"]
[PlyCount "59"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. c4 0-0 5. Nc3 d5 6. b3 c5 7. Be2 cxd4 8. exd4 Nc6 9. 0-0 Bf5 10. Be3 Rc8 11. Rc1 e6 12. c5 Ne4 13. Nd2 Nxc3 14. Rxc3 Nxd4 15. Rc1 b6 16. b4 bxc5 17. bxc5 Qa5 18. Bxd4 Bxd4 19. Nb3 Bxf2+ 20. Rxf2 Qb4 21. Ba6 Rc6 22. Bd3 Bxd3 23. Qxd3 a5 24. Qd4 Qa3 25. Qb2 Qxb2 26. Rxb2 Rfc8 27. Rbc2 a4 28. Nd4 R6c7 29. Nb5 Re7 30. c6 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Garcia Lopez, Juan Gilberto"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1287"]
[BlackElo "1533"]
[PlyCount "62"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Bf5 4. c4 dxc4 5. Qf3 Qc8 6. Bxc4 cxd4 7. Nd2 dxe3 8. Qxe3 e6 9. Bxb8 Qxb8 10. Bb5+ Kd8 11. Qd4+ Qd6 12. Qh4+ Be7 13. Qa4 Qe5+ 14. Ne2 Bc5 15. Rd1 Ke7 16. Nc4 Qf6 17. Rd7+ Kf8 18. Rxb7 Be4 19. 0-0 Bxb7 20. Bc6 Qe7 21. Ne5 Nf6 22. Rd1 Bxc6 23. Qxc6 Bxf2+ 24. Kxf2 Rd8 25. Rxd8+ Qxd8 26. Qc5+ Qe7 27. Qc8+ Ne8 28. Nd4 g6 29. Nd7+ Kg7 30. Qc3 Nf6 31. Ne5 Ne4+ 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "4"]
[White "Herrera Jimenez, Mateo"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1595"]
[BlackElo "1287"]
[PlyCount "75"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 d6 5. exd6 Qxd6 6. Qxd6 Bxd6 7. Nf3 Bf5 8. h3 Ne5 9. Nd4 Nd3+ 10. Bxd3 Bxd3 11. b3 Na6 12. Kd2 Bg6 13. Nc3 0-0-0 14. Ke2 Kb8 15. Rd1 c5 16. Nf3 Bc7 17. Nd5 Ba5 18. Bb2 f6 19. a3 Bc2 20. Rdc1 Bxb3 21. Nf4 Rhe8 22. g4 Ba4 23. h4 b5 24. Kf1 bxc4 25. g5 Bb5 26. Kg2 fxg5 27. hxg5 g6 28. Rab1 Nc7 29. Be5 a6 30. a4 Kc8 31. axb5 axb5 32. Bxc7 Kxc7 33. Rxb5 Bb6 34. Rxc4 Rh8 35. Ne6+ Kc6 36. Rxb6+ Kxb6 37. Nxd8 Rxd8 38. Rh4 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Munoz, Mauricio"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1287"]
[BlackElo "1665"]
[PlyCount "71"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Bg4 5. h3 Bh5 6. g4 Bg6 7. Ne5 e6 8. h4 h6 9. Nxg6 fxg6 10. g5 hxg5 11. Bxg5 Nc6 12. Bh3 cxd4 13. exd4 Qd6 14. Bxf6 gxf6 15. Qg4 0-0-0 16. c3 Be7 17. Qxe6+ Qxe6+ 18. Bxe6+ Kc7 19. Bf7 g5 20. h5 Kd6 21. Nd2 Rdf8 22. Bg6 Rfg8 23. Ke2 Nd8 24. Nb3 Ne6 25. Bf5 Nf4+ 26. Kf3 Rxh5 27. Rxh5 Nxh5 28. Re1 Nf4 29. Nc5 b6 30. Nb7+ Kc6 31. Rxe7 Rb8 32. Nd6 Kxd6 33. Rxa7 Re8 34. b4 Re2 35. b5 Rb2 36. Rd7# 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "2"]
[White "Munoz Castano, Diego Alejandro"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "1703"]
[BlackElo "1287"]
[PlyCount "95"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Bg5 a6 8. Nd4 Qc7 9. Nxc6 Qxc6 10. Qg4 b5 11. Bd3 Bb7 12. f3 Rc8 13. e5 h5 14. Qg3 Qb6 15. Ne4 Bxe4 16. fxe4 b4 17. Rf1 g6 18. Qf2 Qxf2+ 19. Rxf2 Bh6 20. Bxh6 Nxh6 21. Bxa6 Rc5 22. 0-0-0 Ng4 23. Rfd2 Nxe5 24. Rd4 Ra5 25. Rxb4 0-0 26. Rb5 Rxa6 27. Rxe5 Rxa2 28. Rxd7 Rb8 29. b3 Rc8 30. Rd2 Rca8 31. Rb5 Ra1+ 32. Kb2 R1a2+ 33. Kc3 Rc8+ 34. Kd3 Ra7 35. c4 Rd8+ 36. Kc3 Rxd2 37. Kxd2 Ra2+ 38. Ke3 Rxg2 39. c5 Rxh2 40. b4 h4 41. c6 Rc2 42. Rc5 Ra2 43. c7 Ra8 44. c8Q+ Rxc8 45. Rxc8+ Kg7 46. b5 h3 47. b6 h2 48. Rc1 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Gonzalez Cardona, Luis Fernando"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1287"]
[BlackElo "1737"]
[PlyCount "59"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Nbd2 0-0 6. c3 c5 7. Ne5 b6 8. Bg3 Qc7 9. Bd3 Ba6 10. Bxa6 Nxa6 11. Qe2 c4 12. a3 Nb8 13. f4 Nc6 14. 0-0 b5 15. Qf3 a5 16. Bh4 Nd7 17. Qh5 f5 18. Ndf3 Nf6 19. Bxf6 Rxf6 20. Ng5 h6 21. Nh3 Bxe5 22. fxe5 Rf7 23. Nf4 Qe7 24. Rf3 Re8 25. Rg3 Kh7 26. Qg6+ Kh8 27. Rh3 Qd7 28. Nh5 Ree7 29. Nf6 gxf6 30. Qxh6+ 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "8"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Guerra Verano, Diana"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1287"]
[BlackElo "1642"]
[PlyCount "68"]
[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. Nc3 e6 3. f4 a6 4. Nf3 Nc6 5. a4 d5 6. e5 Be7 7. Be2 b6 8. 0-0 Bb7 9. d3 h6 10. Qe1 g5 11. Qg3 Nd4 12. h4 Nf5 13. Qh3 gxh4 14. Nd1 h5 15. Ne3 Ng3 16. Rf2 Nh6 17. Nh2 Qd7 18. Nhf1 Nhf5 19. Nxf5 Nxf5 20. Ne3 Ng3 21. f5 exf5 22. Nxf5 Nxf5 23. Qxf5 Qxf5 24. Rxf5 Bc8 25. Rxh5 Rxh5 26. Bxh5 Be6 27. Bd2 0-0-0 28. Rf1 Rf8 29. Bh6 Rh8 30. Bxf7 Rxh6 31. Rf6 Rxf6 32. exf6 Bxf7 33. fxe7 Kd7 34. Kh2 Be6 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "9"]
[White "Moreno Hernandez, Andres Mauricio"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1430"]
[BlackElo "1287"]
[PlyCount "60"]
[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 h6 2. b3 e5 3. Bb2 Nc6 4. Nf3 f6 5. Bc4 Bd6 6. Be2 Qe7 7. d3 b6 8. Nbd2 Ba3 9. Bxa3 Qxa3 10. 0-0 Bb7 11. Nc4 Qe7 12. Nh4 Qc5 13. c3 a5 14. a3 b5 15. b4 axb4 16. axb4 Rxa1 17. Qxa1 Qa7 18. Na3 Ba6 19. Qb2 Qb6 20. Bh5+ Kd8 21. Qb3 Nge7 22. Qf7 Rg8 23. Nf5 g6 24. Bxg6 Rh8 25. Qxf6 Rg8 26. Nxh6 Nd4 27. Qxb6 Ne2+ 28. Kh1 Rxg6 29. Qb8+ Nc8 30. Nf7+ Ke7 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.09"]
[Round "7"]
[White "Guerrero, Gabriel"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1928"]
[BlackElo "1287"]
[PlyCount "76"]
[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. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bg5 0-0 6. Bd3 Nbd7 7. Nbd2 e5 8. dxe5 Nxe5 9. Nxe5 Bxe5 10. c3 c5 11. Qc2 g6 12. 0-0-0 Qb6 13. f4 Bc7 14. e4 c4 15. Be2 dxe4 16. Nxc4 Qc6 17. g3 Ng4 18. Rd4 Bb6 19. Nxb6 axb6 20. Bxg4 Bxg4 21. Re1 Rfe8 22. Qb3 Ra5 23. Re3 Rb5 24. Qa4 Qc5 25. Rdxe4 Rxe4 26. Qxe4 Bf5 27. Qe8+ Kg7 28. Bf6+ Kh6 29. Bd4 Qc4 30. Qe7 Bc8 31. g4 Qf1+ 32. Kc2 Bxg4 33. Re1 Qg2+ 34. Kd3 Qf3+ 35. Be3 Bf5+ 36. Kd2 Rxb2+ 37. Kc1 Rc2+ 38. Kb1 Re2+ 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "4"]
[White "Moreno Gonzalez, Maria Camila"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1821"]
[BlackElo "1287"]
[PlyCount "95"]
[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 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nc3 0-0 7. Be2 Re8 8. 0-0 Ncxe5 9. a3 a5 10. b3 Nxf3+ 11. Bxf3 Ne5 12. Be2 d6 13. Bb2 Qh4 14. g3 Qh3 15. Nd5 Rb8 16. Nf4 Qh6 17. b4 Bb6 18. bxa5 Ba7 19. Bxe5 Rxe5 20. Re1 Bd7 21. Bf3 g5 22. Nd5 Rc8 23. Nb4 Qh3 24. Nd3 Rxa5 25. Bg2 Qh6 26. Bxb7 Rb8 27. Bd5 g4 28. Nf4 c6 29. Bg2 Rb6 30. Rb1 Rc5 31. Rxb6 Bxb6 32. Qb3 Ba5 33. Rd1 Qf8 34. Qb7 Be6 35. Nxe6 fxe6 36. Be4 Rh5 37. Qxc6 Re5 38. Bb1 Rh5 39. Qd7 Rxh2 40. Qxe6+ Kh8 41. Bf5 Rh6 42. Qd5 Rf6 43. e4 Bb6 44. Rb1 Bc5 45. Rb7 Rh6 46. a4 Qf6 47. Rb8+ Kg7 48. Qg8# 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "2"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Herrera Jimenez, Mateo"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1287"]
[BlackElo "1553"]
[PlyCount "58"]
[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. Bf4 e6 3. e3 Bd6 4. Qg4 Kf8 5. Qg3 Bxf4 6. Qxf4 Nf6 7. Nf3 c5 8. Nbd2 b6 9. Ne5 Ba6 10. Bxa6 Nxa6 11. c3 Rc8 12. Ndf3 h6 13. h4 Nb8 14. g4 Nbd7 15. g5 Nxe5 16. dxe5 Nd7 17. Rg1 Qe7 18. h5 c4 19. Nh4 Ke8 20. gxh6 gxh6 21. Rg7 Nc5 22. Qg3 Nd3+ 23. Ke2 Qc5 24. Ng6 Qb5 25. Rb1 Qa4 26. Rg1 Qc2+ 27. Kf3 Ne1+ 28. Rxe1 Qe4+ 29. Ke2 Qd3+ 1/2-1/2

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.14"]
[Round "6"]
[White "Sanchez Fonseca, Alejandro"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1228"]
[BlackElo "1586"]
[PlyCount "80"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. Nc3 cxd4 7. Nxd4 Nxe5 8. Bxd7+ Nxd7 9. 0-0 Ngf6 10. Bg5 a6 11. Re1 Be7 12. Nf3 Ng4 13. Qd4 Ndf6 14. h3 h6 15. Bxf6 Nxf6 16. Ne5 0-0 17. Ng4 Nxg4 18. Qxg4 Bc5 19. Na4 Ba7 20. Rad1 Qf6 21. Rd2 b5 22. Nc3 Rad8 23. Qg3 Bb6 24. a3 Rc8 25. b3 Rxc3 26. Qd6 Bc7 27. Qxa6 Rxh3 28. gxh3 Qg5+ 29. Kf1 Qxd2 30. Qc6 Rc8 31. Qxb5 Bd8 32. Qe8+ Kh7 33. Qxf7 Bh4 34. Re2 Qd1+ 35. Re1 Qxc2 36. Qf4 Qd3+ 37. Re2 Qxh3+ 38. Ke1 Qh1+ 39. Kd2 Qc1+ 40. Kd3 Qc3# 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "5"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Pilonieta Forero, Andres Felipe"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1586"]
[BlackElo "1514"]
[PlyCount "82"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d3 Nf6 6. Bb3 d6 7. Nbd2 Be6 8. Nf1 h6 9. Qe2 0-0-0 10. Ng3 Rhe8 11. Ba4 Bd7 12. b4 Bb6 13. Bb3 a5 14. b5 Na7 15. a4 Kb8 16. Be3 Bxe3 17. Qxe3 b6 18. h3 Bc8 19. Nh4 d5 20. Nhf5 Qf8 21. 0-0 Bb7 22. Rfd1 Nc8 23. Rac1 h5 24. f3 g6 25. Nh4 Qe7 26. f4 Nxe4 27. Ngf5 gxf5 28. Nxf5 Qf6 29. dxe4 dxe4 30. Ng3 exf4 31. Nxh5 Qe5 32. Nxf4 Nd6 33. c4 Nf5 34. Qf2 e3 35. Qf1 Ng3 36. Nd3 e2 37. Qf2 exd1Q+ 38. Rxd1 Ne2+ 39. Kh1 Rh8 40. h4 Rxh4+ 41. Qxh4 Rh8 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "4"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Sarmiento, Juan Diego"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "1586"]
[BlackElo "1489"]
[PlyCount "44"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qd3 c5 8. f3 Qh4+ 9. g3 Nxg3 10. hxg3 Qxh1 11. Be3 cxd4 12. Qxd4 0-0 13. cxd5 exd5 14. Qxd5 Nc6 15. 0-0-0 Be6 16. Qb5 Qh2 17. Qg5 h6 18. Qh4 Qxh4 19. gxh4 Rfd8 20. Bd2 Nd4 21. Be3 Nb3+ 22. Kc2 Rac8+ 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "2"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Gonzalez Bolivar, Juan Jose"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1586"]
[BlackElo "1544"]
[PlyCount "96"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. e3 c5 5. c3 Nc6 6. Bd3 c4 7. Bc2 Bd6 8. Ne5 Qc7 9. Qf3 Nxe5 10. dxe5 Bxe5 11. Bxe5 Qxe5 12. 0-0 0-0 13. Qh3 Qh5 14. Qxh5 Nxh5 15. f4 f5 16. Nd2 Nf6 17. Rf3 b6 18. Raf1 Bb7 19. Rh3 Ng4 20. Rg3 h5 21. Bd1 b5 22. Bxg4 hxg4 23. h3 gxh3 24. gxh3 Rae8 25. Nf3 a5 26. a3 Rf6 27. Rf2 Rh6 28. Ne5 Re7 29. Rh2 Rc7 30. h4 Bc6 31. h5 Be8 32. Rgh3 Rb7 33. Kf2 b4 34. cxb4 axb4 35. axb4 Rxb4 36. Kf3 Rb3 37. Rd2 Rxh5 38. Rg3 Rh1 39. Rdg2 Bh5+ 40. Ng4 Bxg4+ 41. Rxg4 fxg4+ 42. Kxg4 Rxe3 43. Kg5 Rf1 44. Rd2 Rg3+ 45. Kh4 Rd3 46. Re2 Rxf4+ 47. Kg5 Rf5+ 48. Kg4 Kf7 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "3"]
[White "Gualdron Pulido, Deyson Yesid"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1586"]
[PlyCount "86"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nc3 h5 2. Nf3 Nc6 3. e4 e6 4. d4 d5 5. Ne5 Nxe5 6. dxe5 Bb4 7. Bd2 dxe4 8. Nxe4 Bxd2+ 9. Qxd2 Qxd2+ 10. Nxd2 Bd7 11. 0-0-0 0-0-0 12. Bd3 Ne7 13. Rhe1 Nc6 14. c3 Ne7 15. Bc2 g5 16. h3 g4 17. a3 Ng6 18. Bxg6 fxg6 19. Ne4 Ba4 20. Rd4 Rxd4 21. cxd4 Rd8 22. Nc5 Rxd4 23. Nxa4 Rxa4 24. hxg4 Rxg4 25. g3 g5 26. Rh1 h4 27. gxh4 Rxh4 28. Rxh4 gxh4 29. Kd2 h3 30. Ke3 h2 31. Kf4 h1Q 32. Kg5 Qc1+ 33. Kf6 Kd7 34. b4 Qf4+ 35. Kg6 Qxe5 36. f4 Qxf4 37. Kg7 e5 38. b5 e4 39. a4 e3 40. a5 e2 41. a6 e1Q 42. axb7 Qg1+ 43. Kh7 Qh4# 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.11"]
[Round "1"]
[White "Garces Suaza, Carlos Daniel"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1704"]
[BlackElo "1586"]
[PlyCount "45"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nc6 6. 0-0 Nge7 7. c3 Bg4 8. Nbd2 Qd7 9. b4 0-0-0 10. a4 Rdg8 11. a5 h5 12. b5 Nd8 13. Qb3 g5 14. b6 a6 15. Rb1 h4 16. Ne5 Qe6 17. bxc7 Bxc7 18. Ba3 Bxe5 19. dxe5 Qxe5 20. Rfe1 Qb8 21. Rxe7 Be6 22. Qb6 Re8 23. Bd6 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.02"]
[Round "7"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Marin Campos, Doandris Javier"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1600"]
[BlackElo "1524"]
[PlyCount "74"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 0-0 7. e3 c6 8. Bd3 Bg4 9. 0-0 Nbd7 10. h3 Bh5 11. g4 Bg6 12. Ne5 Qc7 13. Nxg6 hxg6 14. f4 Rfe8 15. Qf3 Bxc3 16. bxc3 Ne4 17. Bxe4 Rxe4 18. Rae1 f6 19. Bh4 Qa5 20. f5 g5 21. Bf2 Qxa2 22. Ra1 Qc4 23. Rfc1 a5 24. Qg3 b5 25. Qc7 Nf8 26. Rxa5 Rxa5 27. Qxa5 Qe2 28. Qb4 Rxe3 29. Re1 Qxe1+ 30. Bxe1 Rxe1+ 31. Kf2 Ra1 32. Qc5 Rc1 33. Qxc6 b4 34. Qxd5+ Kh7 35. Qb3 Nd7 36. Kg3 Rxc3+ 37. Qxc3 bxc3 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.02"]
[Round "6"]
[White "Sequeda Hernandez, Daniel Arturo"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1246"]
[BlackElo "1600"]
[PlyCount "94"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 d5 3. c4 Nc6 4. Nf3 Bg4 5. Nc3 e5 6. h3 Bh5 7. g4 Bg6 8. dxe5 Nd7 9. Qxd5 Nb4 10. Qd2 Nc2+ 11. Kd1 Nxa1 12. Bd3 Bxd3 13. Qxd3 Nc5 14. Qd5 Qxd5+ 15. Nxd5 0-0-0 16. Bd2 Ne4 17. Kc1 Nxd2 18. Nxd2 c6 19. Nf4 Re8 20. Kb1 Rxe5 21. Kxa1 Bb4 22. Nf3 Rc5 23. b3 Bc3+ 24. Kb1 Rd8 25. Kc2 Bf6 26. g5 Be5 27. Nxe5 Rxe5 28. h4 Ra5 29. a4 b5 30. cxb5 cxb5 31. Ra1 bxa4 32. bxa4 Rc5+ 33. Kb3 Rd7 34. Kb4 Rc2 35. f3 Rb7+ 36. Ka3 Rc3+ 37. Ka2 Rxe3 38. Rc1+ Kb8 39. Nd5 Rxf3 40. Re1 Kc8 41. Re8+ Kd7 42. Re7+ Kc6 43. Rxb7 Kxb7 44. Ne7 Rf4 45. h5 Rh4 46. h6 gxh6 47. gxh6 Rxh6 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.01"]
[Round "3"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Carvajal Barreto, Johan Sebastian"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1600"]
[BlackElo "1756"]
[PlyCount "78"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 c6 5. Qc2 h6 6. Bd2 e5 7. d5 Be7 8. e4 g5 9. h3 Nf8 10. g4 Ng6 11. Be2 Qc7 12. 0-0-0 Nd7 13. Qb3 Nc5 14. Qa3 a5 15. b4 axb4 16. Qxa8 bxc3 17. Bxc3 Nxe4 18. Ba5 Qd7 19. Be1 0-0 20. Bd3 cxd5 21. Bxe4 dxe4 22. Nd2 e3 23. fxe3 Qc6 24. Rh2 Be6 25. Qa5 d5 26. Qb5 Qc7 27. Rf2 e4 28. Qa4 Ne5 29. Qc2 Nd3+ 30. Kb1 Nxf2 31. Bxf2 Qb6+ 32. Qb2 Qxb2+ 33. Kxb2 Bf6+ 34. Kb1 dxc4 35. Nxe4 Be7 36. Bg3 f5 37. Bd6 fxe4 38. Bxe7 Rf3 39. Rd4 Rxe3 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.01"]
[Round "5"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Gelvez Sandoval, Jhoan Emmanuel"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "1600"]
[BlackElo "1250"]
[PlyCount "48"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 Bf5 7. Nf3 e6 8. Ne5 Nxe5 9. dxe5 Ne4 10. Nxe4 Bxe4 11. Bb5+ Ke7 12. Qa4 f6 13. exf6+ gxf6 14. f3 Bg6 15. 0-0 Rc8 16. Rad1 a6 17. Be2 Bc2 18. Qb4+ Kf7 19. Qxb7+ Rc7 20. Bxc7 Qd7 21. Rc1 Ba4 22. Qxa6 Bd6 23. b3 Bc6 24. Qxc6 Qe7 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.01"]
[Round "4"]
[White "Rivera Laiton, Jose Eduardo"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1600"]
[PlyCount "54"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nc6 5. Bb5 Bg4 6. h3 Bh5 7. 0-0 Bd6 8. Nc3 Nge7 9. Ne5 Bxd1 10. Nxd1 0-0 11. c3 Nxe5 12. dxe5 Bxe5 13. Ne3 c6 14. Bd3 Ng6 15. Ng4 Bc7 16. c4 Qd6 17. cxd5 h5 18. Nh6+ gxh6 19. g3 h4 20. f4 hxg3 21. Rf3 Bb6+ 22. Kg2 Nh4+ 23. Kxg3 Nxf3 24. Kxf3 Qxd5+ 25. Be4 Qh5+ 26. Kg3 f5 27. Bf3 Qg6+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.03.31"]
[Round "1"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1600"]
[BlackElo "1795"]
[PlyCount "46"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 Nf8 9. 0-0-0 Ne6 10. Bxf6 Bxf6 11. Nge2 g6 12. f3 0-0 13. Qd2 c5 14. Kb1 cxd4 15. exd4 Nxd4 16. Nxd4 Bxd4 17. Ne2 Bg7 18. Bc2 Qf6 19. Qd4 Qa6 20. Qe3 Bd7 21. Bb3 Rfe8 22. Qf4 Rxe2 23. Rd2 Rae8 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.03.31"]
[Round "2"]
[White "Villamizar Cubillos, George Charles"]
[Black "Dulcey Buitrago, John Jairo"]
[Result "1/2-1/2"]
[ECO "C10"]
[BlackElo "1600"]
[PlyCount "36"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. dxc5 Bxc5 5. exd5 Nf6 6. Bb5+ Bd7 7. dxe6 fxe6 8. Bxd7+ Nbxd7 9. Nf3 0-0 10. 0-0 Qe7 11. Be3 Bd6 12. h3 Rad8 13. Nb5 Bb8 14. Nbd4 Ne5 15. Qe2 Qc7 16. Nxe5 Qxe5 17. f4 Qd5 18. c4 Qd7 1/2-1/2

