[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Arias Atehortua, Juan Esteban"]
[Black "Solano Trillos, Thaliana"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1581"]
[BlackElo "1369"]
[PlyCount "110"]
[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 Nc6 3. Bb5 g6 4. Nc3 Bg7 5. Bxc6 dxc6 6. d3 Nf6 7. Be3 b6 8. h3 0-0 9. Qd2 Re8 10. Bh6 Bh8 11. 0-0-0 b5 12. Qg5 b4 13. Ne2 Qa5 14. Kb1 Be6 15. Nc1 Qb6 16. Nh4 c4 17. f4 Qd4 18. Ne2 Qe3 19. Rhe1 cxd3 20. cxd3 Nxe4 21. dxe4 Bf6 22. Qg3 Qxg3 23. Nxg3 Bxh4 24. Re3 Red8 25. Rf1 Bc4 26. Rc1 Rd3 27. Re2 Bxa2+ 28. Kxa2 b3+ 29. Ka3 Bxg3 30. Rxc6 a5 31. f5 a4 32. e5 gxf5 33. Rc4 f6 34. Rxa4 Rxa4+ 35. Kxa4 Bxe5 36. Rf2 f4 37. Re2 Kf7 38. Rf2 f5 39. Kb4 e6 40. Kc4 Rg3 41. Bxf4 Bxf4 42. Rxf4 Rxg2 43. Kxb3 Rg3+ 44. Ka4 Rxh3 45. b4 Rh1 46. Kb5 Kg6 47. Rf2 Rb1 48. Re2 Kf6 49. Rh2 f4 50. Rxh7 e5 51. Kc5 f3 52. Rh2 e4 53. b5 Ke5 54. Rc2 e3 55. Rc3 e2 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "8"]
[White "Ramirez, Francisco Javier"]
[Black "Arias Atehortua, Juan Esteban"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1815"]
[BlackElo "1581"]
[PlyCount "61"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Re1 0-0 6. c3 d5 7. exd5 Nxd5 8. d4 exd4 9. cxd4 Bb4 10. Bd2 Bxd2 11. Nbxd2 Nb6 12. Rc1 Nxd4 13. Nb3 Nxb3 14. Qxd8 Rxd8 15. Bxb3 c6 16. Re7 Nd5 17. Bxd5 cxd5 18. Rcc7 Be6 19. Nd4 Rac8 20. Nxe6 fxe6 21. Rxg7+ Kf8 22. Rxh7 Rxc7 23. Rxc7 d4 24. Kf1 e5 25. f3 Rb8 26. Ke2 Ke8 27. Kd3 b6 28. Rh7 Rc8 29. Rh8+ Kd7 30. Rxc8 Kxc8 31. f4 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "6"]
[White "Aceituno Ramirez, Stebe Josue"]
[Black "Arias Atehortua, Juan Esteban"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1329"]
[BlackElo "1581"]
[PlyCount "94"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 d6 6. c3 dxc3 7. Bxf7+ Kxf7 8. Qd5+ Kf8 9. Nxc3 Nf6 10. Qb3 Qe7 11. Bg5 Qe6 12. Nd5 Bb6 13. Bxf6 gxf6 14. Rfe1 Rg8 15. Nh4 Nd4 16. Qe3 c5 17. Qh6+ Kf7 18. Qxh7+ Rg7 19. Qh5+ Kg8 20. Ng6 Rh7 21. Nde7+ Rxe7 22. Qh8+ Kf7 23. Qh7+ Ke8 24. Nxe7 Qxe7 25. Qxe7+ Kxe7 26. Rad1 Be6 27. Re3 Rg8 28. Kh1 Bxa2 29. h4 Rg4 30. h5 Rh4+ 31. Rh3 Rxh3+ 32. gxh3 f5 33. h6 Kf7 34. Rg1 Bd8 35. Rg7+ Kf6 36. Rxb7 Kg6 37. h7 Bf6 38. Rxa7 Bb1 39. exf5+ Bxf5 40. Kg2 Be4+ 41. Kf1 Bg7 42. h4 Kxh7 43. h5 Kh6 44. Kg1 Be5 45. Rf7 Kxh5 46. f4 Bxf4 47. Rxf4 Ne2+ 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "7"]
[White "Arias Atehortua, Juan Esteban"]
[Black "Alvarez, Alfonso"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1581"]
[BlackElo "1845"]
[PlyCount "11"]
[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 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Bc4 Nb6 6. Bb3 1/2-1/2

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "4"]
[White "Abad Pacheco, Jonathan"]
[Black "Arias Atehortua, Juan Esteban"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1581"]
[PlyCount "66"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 d5 10. Re1 0-0 11. Bd3 Bf5 12. Qc2 Re8 13. Rb1 Rb8 14. c4 Qd6 15. cxd5 Nb4 16. Rxb4 Qxb4 17. Bxe4 Bxe4 18. Rxe4 Rxe4 19. Qxe4 Qa4 20. Qe2 Re8 21. Qd2 Qb5 22. Ne5 Qxd5 23. Qb2 Rxe5 24. Be3 Re8 25. Kf1 f5 26. Qb3 Qxb3 27. axb3 Kf7 28. g3 Re6 29. Bf4 c6 30. Be5 c5 31. f4 cxd4 32. Ke2 Rxe5+ 33. fxe5 Ke6 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Arias Atehortua, Juan Esteban"]
[Black "Mesa, Francisco Alonso Jr"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "1581"]
[BlackElo "1725"]
[PlyCount "65"]
[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 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Be3 Be7 8. 0-0 0-0 9. f4 d6 10. Qf3 b5 11. Rae1 Bb7 12. a3 Nbd7 13. Nde2 Nc5 14. Bxc5 dxc5 15. Ng3 c4 16. Be2 Rad8 17. Rd1 Bc5+ 18. Kh1 Qb6 19. Nh5 Be7 20. Qg3 Nxh5 21. Bxh5 Qc5 22. f5 Kh8 23. e5 exf5 24. Rxd8 Bxd8 25. Qf4 g6 26. Bf3 Bxf3 27. Rxf3 Re8 28. Re3 Bc7 29. Rh3 Qxe5 30. Qxe5+ Bxe5 31. Re3 Re6 32. g3 Bxc3 33. Rxc3 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Arias Atehortua, Juan Esteban"]
[Black "Lucio Pinzon, Santiago"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1581"]
[BlackElo "1265"]
[PlyCount "54"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 d5 10. Re1 0-0 11. Qc2 Bf5 12. Bd3 Re8 13. Ba3 Qf6 14. Re3 Nd6 15. Bxd6 Bxd3 16. Qxd3 Rxe3 17. Qxe3 Qxd6 18. Re1 a5 19. Nd2 b5 20. Nb3 a4 21. Nc5 b4 22. Qe8+ Rxe8 23. Rxe8+ Qf8 24. Rxf8+ Kxf8 25. Nxa4 bxc3 26. Nxc3 Nxd4 27. Nxd5 c5 1/2-1/2

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "2"]
[White "Montoya Echeverri, Sebastian"]
[Black "Arias Atehortua, Juan Esteban"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1909"]
[BlackElo "1581"]
[PlyCount "67"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bb6 6. Nc3 Nge7 7. Bc4 0-0 8. 0-0 Nxd4 9. Bxd4 Bxd4 10. Qxd4 Nc6 11. Qd2 d6 12. f4 Be6 13. Bd5 Bxd5 14. exd5 Ne7 15. f5 f6 16. Ne2 Qd7 17. Nd4 c6 18. Ne6 Rf7 19. c4 cxd5 20. cxd5 Qb5 21. Rad1 Rc8 22. Rf3 Qa4 23. Rc1 Qd7 24. Rfc3 Rxc3 25. Qxc3 h6 26. g4 Kh7 27. Qb3 Nc8 28. Rc7 Qe8 29. Qxb7 Rxc7 30. Qxc7 Qg8 31. b4 Qh8 32. b5 Nb6 33. Qxa7 Nxd5 34. b6 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Arias Atehortua, Juan Esteban"]
[Black "Parra Beltran, Kevin Daniel"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1581"]
[BlackElo "1591"]
[PlyCount "67"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Bg4 5. Be2 Nf6 6. d4 a6 7. 0-0 Nc6 8. Be3 0-0-0 9. Ng5 Be6 10. Nxe6 fxe6 11. Bg4 h5 12. Bh3 Kb8 13. Qf3 Ng4 14. Bxg4 hxg4 15. Qg3 Qxg3 16. fxg3 g6 17. Ne2 Bh6 18. Bf2 e5 19. Rad1 exd4 20. Nxd4 Nb4 21. a3 Nd5 22. Rfe1 e5 23. Ne6 Rde8 24. Rxe5 c6 25. Ree1 Re7 26. Bc5 Be3+ 27. Bxe3 Nxe3 28. Rxe3 Rhe8 29. Rde1 Kc8 30. Re4 b6 31. Ng5 Kd7 32. Rxe7+ Rxe7 33. Rxe7+ Kxe7 34. Kf2 1-0

