[Event "Ibague op"]
[Site "Ibague"]
[Date "2021.10.24"]
[Round "9"]
[White "Trujillo Quesada, Harlinson"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1960"]
[BlackElo "1500"]
[PlyCount "67"]
[EventDate "2021.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 g6 3. h4 Nf6 4. Bf4 Bg7 5. e3 0-0 6. c4 c5 7. Nc3 Qa5 8. Qa4 Qxa4 9. Nxa4 cxd4 10. exd4 dxc4 11. Bxc4 Bg4 12. Ne5 Nbd7 13. f3 Nxe5 14. dxe5 Nh5 15. Bh2 Be6 16. Bxe6 fxe6 17. Nc5 Nf4 18. Bxf4 Rxf4 19. Nxe6 Rc4 20. f4 Bh6 21. g3 Re4+ 22. Kf2 Rc8 23. Rac1 Rec4 24. Rxc4 Rxc4 25. Re1 Kf7 26. Nd8+ Ke8 27. Nxb7 Rb4 28. Nc5 Rxb2+ 29. Re2 Rb5 30. Rc2 Kf7 31. Kf3 e6 32. Ne4 Bf8 33. Rc7+ Be7 34. Nd6+ 1-0

[Event "Ibague op"]
[Site "Ibague"]
[Date "2021.10.22"]
[Round "6"]
[White "Gomez Leon, Sebastian"]
[Black "Gonzalez Suarez, Yonel"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1500"]
[PlyCount "65"]
[EventDate "2021.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nf3 Bd6 5. Nc3 c6 6. Bd3 Ne7 7. 0-0 0-0 8. Ng5 h6 9. Qh5 Bf5 10. Bxf5 Nxf5 11. Nf3 Qf6 12. Qg4 Na6 13. a3 Rfe8 14. Bd2 Nc7 15. Rfe1 a6 16. Re2 Nb5 17. Rae1 Rxe2 18. Nxe2 Re8 19. c3 Bb8 20. Nf4 Rxe1+ 21. Nxe1 Nbd6 22. Nh5 Qg6 23. Qxg6 fxg6 24. Nf4 Kf7 25. Nfd3 Nc4 26. Bc1 Bd6 27. Nf3 Kf6 28. g4 Ne7 29. g5+ hxg5 30. Bxg5+ Kf5 31. Bc1 Ke4 32. Nfe1 Nf5 33. f3# 1-0

[Event "Ibague op"]
[Site "Ibague"]
[Date "2021.10.22"]
[Round "5"]
[White "Torres Escobar, Hamerson"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1500"]
[PlyCount "89"]
[EventDate "2021.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 e6 5. Nbd2 Bd6 6. Ne5 0-0 7. Bg5 Nbd7 8. Nxd7 Qxd7 9. Bxf6 gxf6 10. g4 Bg6 11. h4 Qa4 12. Nb3 c5 13. h5 Be4 14. f3 c4 15. fxe4 cxb3 16. axb3 Qc6 17. g5 fxg5 18. e5 Be7 19. h6 f5 20. Rg1 Qe8 21. Be2 g4 22. Bxg4 Qg6 23. Kd2 Kh8 24. Be2 Qxh6 25. Rh1 Qg6 26. Bd3 Qg2+ 27. Qe2 Rg8 28. Rh2 Qxe2+ 29. Kxe2 Rg7 30. Rah1 Rag8 31. Kf2 Bg5 32. c4 Rd8 33. cxd5 exd5 34. Ke2 Rf8 35. Rf1 f4 36. Rhf2 Rgf7 37. exf4 Rxf4 38. Rxf4 Rxf4 39. Rxf4 Bxf4 40. Bf5 Bc1 41. Be6 Bxb2 42. Kd3 a5 43. Bxd5 b5 44. b4 a4 45. e6 1-0

[Event "Ibague op"]
[Site "Ibague"]
[Date "2021.10.21"]
[Round "4"]
[White "Gomez Leon, Sebastian"]
[Black "Alvarez Guzman, Joseph Emmanuel"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1500"]
[PlyCount "87"]
[EventDate "2021.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nc3 Nf6 4. Bb5 a6 5. Bxc6 bxc6 6. Nxe5 Qe7 7. Nf3 g6 8. 0-0 Bg7 9. d4 0-0 10. Re1 Qd8 11. Bg5 h6 12. Bh4 Bb7 13. e5 d6 14. exf6 Bxf6 15. Bxf6 Qxf6 16. Ne4 Qd8 17. Qd2 Kg7 18. Re3 c5 19. dxc5 Bxe4 20. Rxe4 Re8 21. Rxe8 Qxe8 22. cxd6 Qd8 23. Qc3+ f6 24. Nd4 Qxd6 25. Re1 Rf8 26. Ne6+ Kf7 27. Nxf8 Kxf8 28. Qa3 Kf7 29. Qxd6 cxd6 30. Re3 g5 31. Ra3 d5 32. Rxa6 d4 33. Rd6 Ke7 34. Rxd4 Ke6 35. a4 Ke5 36. c3 f5 37. a5 f4 38. a6 g4 39. a7 Ke6 40. a8Q Ke5 41. Qd5+ Kf6 42. Rxf4+ Kg6 43. Qg8+ Kh5 44. Qxg4# 1-0

[Event "Ibague op"]
[Site "Ibague"]
[Date "2021.10.21"]
[Round "3"]
[White "Matoma, Yimmy"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2015"]
[BlackElo "1500"]
[PlyCount "52"]
[EventDate "2021.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nc3 Nc6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Ng3 e4 8. Ng1 Bc5 9. N1e2 Bg4 10. h3 Qf6 11. 0-0 Be6 12. d3 exd3 13. cxd3 Rhf8 14. Be3 Bd6 15. Nh5 Qe5 16. Nhg3 Kg8 17. d4 Qf6 18. Nh5 Qh4 19. Nhg3 g5 20. Qd2 Bf4 21. Rae1 Rae8 22. b4 Rf6 23. Kh2 Rh6 24. Bxf4 Bxh3 25. Bxg5 Re4 26. gxh3 Qxg5 1-0

[Event "Ibague op"]
[Site "Ibague"]
[Date "2021.10.20"]
[Round "2"]
[White "Gomez Leon, Sebastian"]
[Black "Callejas Riano, Natalia Catherine"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "1500"]
[PlyCount "37"]
[EventDate "2021.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nc3 Bc5 4. Nxe5 Nxe5 5. d4 Bb6 6. dxe5 Ne7 7. Bg5 c6 8. Bc4 0-0 9. Qd2 Re8 10. Qf4 Rf8 11. Qh4 Re8 12. 0-0-0 h6 13. Qh5 Rf8 14. Bxh6 gxh6 15. Qxh6 Ng6 16. Qxg6+ Kh8 17. Qh6+ Kg8 18. Rd3 d5 19. Rg3+ 1-0

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.26"]
[Round "9"]
[White "Gomez Leon, Sebastian"]
[Black "Schnell, Sebastian Narayana"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1403"]
[BlackElo "1629"]
[PlyCount "72"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 c5 5. Nxd5 cxd4 6. Bd2 Nxe5 7. Nf4 Ng6 8. Nf3 Nc6 9. Bb5 Nxf4 10. Bxf4 Qa5+ 11. c3 Qxb5 12. Nxd4 Nxd4 13. Qxd4 Qd7 14. 0-0-0 Qxd4 15. Rxd4 e6 16. Be5 f6 17. Bc7 Be7 18. Bd6 e5 19. Rd2 Bxd6 20. Rxd6 Ke7 21. Rhd1 Be6 22. a3 Rad8 23. Rxd8 Rxd8 24. Rxd8 Kxd8 25. Kd2 Kc7 26. Kc2 a5 27. b3 b5 28. Kb2 Kc6 29. Kc2 a4 30. bxa4 bxa4 31. Kd3 Kc5 32. f3 Bf5+ 33. Kd2 Kc4 34. g3 Kb3 35. h4 Kxa3 36. Kc1 Kb3 0-1

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.26"]
[Round "8"]
[White "Puerta Rendon, Jacobo"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1479"]
[BlackElo "1403"]
[PlyCount "48"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Nc3 Be7 7. Be2 0-0 8. 0-0 Nc6 9. h3 d5 10. Bf4 Bd6 11. Bg5 Be6 12. d4 h6 13. Bxf6 Qxf6 14. Bd3 g5 15. Nh2 Nxd4 16. Ng4 Qg7 17. Bb5 c6 18. Ba4 h5 19. Nh2 Qe5 20. f4 gxf4 21. Re1 Qg7 22. Qxh5 Nf5 23. Rad1 Bc5+ 24. Kf1 Ng3# 0-1

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.25"]
[Round "7"]
[White "Gonzalez Velasco, Leandro"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "1829"]
[BlackElo "1403"]
[PlyCount "77"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Be7 6. 0-0 0-0 7. c4 Re8 8. Qc2 Bf6 9. cxd5 Bxe5 10. dxe5 Ng5 11. f4 Qxd5 12. fxg5 Qd4+ 13. Qf2 Qxf2+ 14. Rxf2 Rxe5 15. Bf4 Re1+ 16. Rf1 Re7 17. Nc3 Be6 18. Be4 c6 19. Rad1 Na6 20. Bd6 Rd7 21. Ba3 Rxd1 22. Rxd1 Re8 23. Kf2 Nc7 24. Bd6 Bg4 25. Bf3 Bxf3 26. gxf3 Ne6 27. f4 Rd8 28. Be5 Rxd1 29. Nxd1 f6 30. gxf6 gxf6 31. Bd6 Kg7 32. Ke3 f5 33. Nc3 Kg6 34. Ne2 Kh5 35. Nd4 Nxd4 36. Kxd4 Kg4 37. Ke5 h5 38. h3+ Kxh3 39. Kxf5 1-0

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.24"]
[Round "6"]
[White "Gomez Leon, Sebastian"]
[Black "Meza Vega, Jose Antonio"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1403"]
[BlackElo "1367"]
[PlyCount "127"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Nxe5 Bxf2+ 6. Kxf2 Nxe5 7. Rf1 c6 8. Be2 0-0 9. d4 Ng6 10. Kg1 d5 11. e5 Ne4 12. Bd3 Qh4 13. Bxe4 dxe4 14. g3 Qe7 15. Nxe4 Bh3 16. Rf2 h6 17. Bxh6 f5 18. Bg5 Qc7 19. Qh5 fxe4 20. Qxg6 Rxf2 21. Kxf2 Rf8+ 22. Ke3 Rf3+ 23. Ke2 Bf5 24. Qe8+ Kh7 25. Rf1 Bg6 26. Qe7 Qxe7 27. Bxe7 Rxf1 28. Kxf1 Bh5 29. Kf2 Kg8 30. e6 Bg4 31. Ke3 Bxe6 32. Kxe4 g6 33. h4 Kf7 34. Bg5 Bf5+ 35. Ke5 Bxc2 36. Kd6 Be4 37. Kc7 b5 38. b4 Ke6 39. Kb7 Kd5 40. Kxa7 Kxd4 41. Kb6 Kc3 42. Kc5 Kb2 43. Kd4 Bg2 44. Ke5 Kxa2 45. Be7 Bf3 46. Kf6 Be4 47. g4 Kb3 48. h5 gxh5 49. gxh5 Kc4 50. h6 Kd5 51. Kg7 Ke6 52. Bc5 Bf5 53. h7 Bxh7 54. Kxh7 Kf7 55. Bd4 Ke6 56. Kg6 Kd7 57. Kf7 Kd8 58. Ke6 Kc7 59. Ke7 Kc8 60. Kd6 Kb7 61. Kd7 Ka6 62. Bf6 Kb7 63. Bd8 Kb8 64. Kxc6 1-0

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.23"]
[Round "4"]
[White "Canchala Jimenez, Juan Manuel"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "1621"]
[BlackElo "1403"]
[PlyCount "60"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. d3 d6 6. h3 0-0 7. 0-0 Nd4 8. Nxd4 exd4 9. Ne2 a6 10. Ba4 b5 11. Bb3 c5 12. Bg5 Be6 13. f4 Qc7 14. Bxf6 gxf6 15. f5 Bxb3 16. axb3 Kh8 17. Nf4 c4 18. Nd5 Qc5 19. bxc4 bxc4 20. Qh5 Bd2 21. Nxf6 h6 22. Nd7 Qb5 23. Nxf8 Rxf8 24. Qe2 Be3+ 25. Kh1 Qb7 26. Ra2 f6 27. Rfa1 d5 28. exd5 Qxd5 29. Ra5 Qb7 30. Rxa6 Qxb2 1-0

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.22"]
[Round "2"]
[White "Gomez Leon, Sebastian"]
[Black "Gonzalez Mojica, Renan Arturo"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1403"]
[BlackElo "1629"]
[PlyCount "46"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 c6 6. Qd2 b5 7. Bd3 Nbd7 8. 0-0 0-0 9. Bh6 e5 10. Bxg7 Kxg7 11. dxe5 dxe5 12. Qe2 Qe7 13. Rfd1 Bb7 14. Nd2 Rad8 15. Nb3 a6 16. Na5 Ba8 17. a4 Nc5 18. axb5 cxb5 19. Nb3 Nxb3 20. cxb3 Bb7 21. Qe3 Rd4 22. Bc2 Rfd8 23. Rxd4 exd4 0-1

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.22"]
[Round "3"]
[White "Gomez Leon, Sebastian"]
[Black "Ramirez, Andres Felipe"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1403"]
[BlackElo "1672"]
[PlyCount "111"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nf6 6. d3 0-0 7. 0-0 Nc6 8. f5 gxf5 9. Qe1 Ng4 10. Qh4 e6 11. Bg5 Bf6 12. h3 Bxg5 13. Nxg5 h6 14. hxg4 Qxg5 15. Qxg5+ hxg5 16. gxf5 exf5 17. Nb5 Rd8 18. Nc7 Rb8 19. exf5 Nd4 20. Rf2 Nxf5 21. g4 Nh6 22. Raf1 Rf8 23. Nb5 Bxg4 24. Nxd6 Bh5 25. Rf6 Kg7 26. Ne4 Ng4 27. R6f5 f6 28. Nxc5 Rbe8 29. Nd7 Ne3 30. Rxf6 Nxf1 31. Rxf8 Rxf8 32. Nxf8 Ne3 33. Ne6+ Kf6 34. Nc5 b6 35. Ne4+ Kg6 36. Bb3 Nd1 37. d4 Nxb2 38. d5 Bg4 39. Nf2 Bd7 40. Kg2 a5 41. Kf3 a4 42. Ke3 axb3 43. axb3 g4 44. Kf4 Kh5 45. Nxg4 Bxg4 46. Ke5 Nd1 47. c4 Kg6 48. Kd6 Ne3 49. Kc6 Bd1 50. Kxb6 Bxb3 51. d6 Bxc4 52. d7 Nd5+ 53. Kb7 Ba6+ 54. Kxa6 Nc7+ 55. Kb7 Ne6 56. Ka7 1/2-1/2

[Event "Central America Carribean-ch U20"]
[Site "Pereira"]
[Date "2021.09.21"]
[Round "1"]
[White "Toro Castaneda, Miguel Angel"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1985"]
[BlackElo "1403"]
[PlyCount "73"]
[EventDate "2021.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nc6 4. Bb5 Bd7 5. Bxc6 Bxc6 6. Nc3 exd4 7. Nxd4 Qd7 8. Be3 Nf6 9. f3 g6 10. Qe2 Bg7 11. 0-0-0 0-0 12. g4 Rfe8 13. h4 d5 14. Nxc6 bxc6 15. Rhe1 Qe6 16. g5 Nh5 17. exd5 cxd5 18. Qd2 c6 19. Bxa7 Qh3 20. Rxe8+ Rxe8 21. Re1 Ra8 22. Bd4 Qxh4 23. Bxg7 Kxg7 24. b3 Qf4 25. a4 Qxf3 26. Qd4+ Kg8 27. Kb2 Ng7 28. Qb6 Rc8 29. Qb7 Qg4 30. Re7 Rf8 31. Qxc6 Qxg5 32. Nxd5 h5 33. a5 h4 34. a6 h3 35. Nf6+ Kh8 36. a7 Qa5 37. Qf3 1-0

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.12"]
[Round "8"]
[White "Gomez Leon, Sebastian"]
[Black "Castaneda Lizarazo, Duvan"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1403"]
[BlackElo "1793"]
[PlyCount "81"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nge7 7. dxc5 Qxc5 8. Be3 Qa5 9. 0-0 Nf5 10. Bf4 Be7 11. Bd3 0-0 12. Nbd2 Qc7 13. g4 Nh4 14. Nxh4 Bxh4 15. g5 Ne7 16. Qh5 Ng6 17. Bxg6 Bxf2+ 18. Rxf2 fxg6 19. Qh4 Bd7 20. Nb3 Rf5 21. Nd4 Rf7 22. Raf1 Raf8 23. Rf3 Qc4 24. b3 Qa6 25. R1f2 Qa3 26. Rh3 h5 27. gxh6 Rxf4 28. Qxf4 Rxf4 29. h7+ Kh8 30. Rxf4 Qc1+ 31. Rf1 Qg5+ 32. Kh1 Qe7 33. Ne2 Bb5 34. Nf4 Be8 35. Nxe6 Bf7 36. Ng5 Qxg5 37. Rxf7 Qc1+ 38. Kg2 Qg5+ 39. Rg3 Qd2+ 40. Rf2 Qe1 41. Rf8+ 1-0

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.12"]
[Round "9"]
[White "Triana Castro, Francisco Javier"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1697"]
[BlackElo "1403"]
[PlyCount "42"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 8. Nf5 g6 9. Ng3 Bg7 10. Bf4 Bxb2 11. Bxc7 Bxa1 12. 0-0 Bg7 13. Nd2 Ne7 14. Bb6 0-0 15. Bxc5 Re8 16. Bxe7 Rxe7 17. Rb1 Be6 18. c4 Rd8 19. Nb3 Bxc4 20. Nc5 Rc7 21. Nb3 Rcd7 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.11"]
[Round "6"]
[White "Boyaca, Gerany"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1636"]
[BlackElo "1403"]
[PlyCount "31"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 c5 5. c3 c4 6. Nbd2 Bd6 7. Ne5 Nc6 8. b3 Qc7 9. Ndf3 Nd7 10. bxc4 Ncxe5 11. Nxe5 Nxe5 12. dxe5 Bxe5 13. Bxe5 Qxe5 14. Qd4 Qxd4 15. cxd4 0-0 16. c5 1-0

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.11"]
[Round "7"]
[White "Patino Patino, Dagoberto Jose"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1403"]
[PlyCount "97"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. 0-0 Nf6 5. Nc3 d6 6. h3 h6 7. b3 Bd7 8. d3 Qe7 9. Nb5 0-0-0 10. b4 Bb6 11. Bd2 a6 12. Nc3 Nd4 13. Nxd4 exd4 14. Nd5 Nxd5 15. Bxd5 c6 16. Bc4 Be6 17. Bxe6+ Qxe6 18. c4 dxc3 19. Bxc3 d5 20. exd5 Rxd5 21. Re1 Qf5 22. d4 Rhd8 23. Qb3 Bxd4 24. Bxd4 Rxd4 25. Qg3 Qf6 26. Rac1 Rd3 27. Qg4+ Kb8 28. a4 Qd4 29. Re4 Rd1+ 30. Rxd1 Qxd1+ 31. Qxd1 Rxd1+ 32. Kh2 Kc7 33. Rc4 Kd6 34. Rf4 f6 35. Rg4 g5 36. Re4 f5 37. Re8 Rd4 38. Rd8+ Ke5 39. Rh8 Rxb4 40. Rxh6 Rxa4 41. Rg6 Rf4 42. f3 a5 43. Kg3 a4 44. Rxg5 a3 45. Rg8 Ra4 46. h4 a2 47. Re8+ Kf6 48. Re1 a1Q 49. Rxa1 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.10"]
[Round "4"]
[White "Toro Rojas, Juan Manuel"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "A28"]
[BlackElo "1403"]
[PlyCount "38"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 Bb4 5. Nd5 0-0 6. Nxb4 Nxb4 7. Nxe5 Re8 8. d4 d6 9. a3 dxe5 10. axb4 exd4 11. f3 Nxe4 12. fxe4 Qh4+ 13. g3 Qxe4+ 14. Qe2 Qc6 15. Be3 Rxe3 16. Qxe3 dxe3 17. 0-0-0 Bg4 18. Re1 Qxh1 19. Kc2 e2 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.09"]
[Round "3"]
[White "Gomez Leon, Sebastian"]
[Black "Diaz, Richard"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1403"]
[BlackElo "1776"]
[PlyCount "88"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Bb5 a6 7. Bxc6+ bxc6 8. Qa4 Qc7 9. Nh4 Bd7 10. Qc2 e6 11. 0-0 Ne7 12. Nd2 Ng6 13. Nxg6 hxg6 14. Nf3 Rc8 15. Qd3 Qb7 16. Ng5 Be7 17. Re1 cxd4 18. cxd4 c5 19. dxc5 Rxc5 20. Qf3 Bxg5 21. Bxg5 Qxb2 22. Reb1 Qxe5 23. Bf4 Qc3 24. Rb8+ Bc8 25. Qxc3 Rxc3 26. Be5 Rc6 27. Bxg7 Rh4 28. g3 Rhc4 29. Kg2 Ke7 30. Bb2 f6 31. Rd1 Kd7 32. Bxf6 Kd6 33. Rb3 e5 34. Re3 e4 35. a3 Bg4 36. Rd2 Bf3+ 37. Kh3 Rc7 38. g4 Rc1 39. Rxf3 exf3 40. Rd3 Rh7+ 41. Kg3 Rg1+ 42. Kf4 Rxh2 43. Rxf3 Rhg2 44. Rg3 Rxf2+ 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.09"]
[Round "2"]
[White "Gomez Perdomo, Jonathan"]
[Black "Gomez Leon, Sebastian"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1736"]
[BlackElo "1403"]
[PlyCount "32"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nc3 Nf6 5. d3 d6 6. Bg5 Be6 7. Nd5 Bxd5 8. Bxd5 Qd7 9. Bxc6 Qxc6 10. h3 0-0-0 11. c4 h6 12. Be3 Nd7 13. Bxc5 dxc5 14. 0-0 f6 15. Nh4 Nf8 16. Qg4+ Ne6 1/2-1/2

[Event "COL-ch Amateur U1700"]
[Site "Paipa"]
[Date "2020.03.01"]
[Round "9"]
[White "Herrera Nopan, Fabian"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1595"]
[BlackElo "1416"]
[PlyCount "37"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bf4 Bd6 6. Bg3 0-0 7. c5 Bc7 8. Qc2 Nbd7 9. e3 Re8 10. 0-0-0 e5 11. e4 exd4 12. Rxd4 Nxc5 13. exd5 Bb6 14. Rh4 cxd5 15. Be5 Bd7 16. Bxf6 Qxf6 17. Qxh7+ Kf8 18. Qh8+ Ke7 19. Nxd5+ 1-0

[Event "COL-ch Amateur U1700"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "4"]
[White "Flores Osorio, Hernan"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1416"]
[PlyCount "69"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 Nh5 7. Bg5 f6 8. Bh4 g5 9. Nxg5 Ng7 10. Ngf3 Be7 11. Bd3 c4 12. Bc2 f5 13. Bg3 Bf6 14. b4 b5 15. a4 Ba6 16. Qe2 Kd7 17. Ne5+ Nxe5 18. dxe5 Be7 19. Nf3 Ne8 20. 0-0 h5 21. Rfd1 Nc7 22. Nd4 Qf8 23. axb5 Bxb5 24. Nxb5 Nxb5 25. Qxc4 a6 26. Rxd5+ exd5 27. Qxd5+ Bd6 28. Qb7+ Bc7 29. Rd1+ Ke7 30. Bh4+ Kf7 31. Bxf5 Rh6 32. c4 Kg8 33. Qd5+ Kh8 34. cxb5 Rd8 35. Bxd8 1-0

[Event "COL-ch Amateur U1700"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "5"]
[White "Trujillo, Luis Angel"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1697"]
[BlackElo "1416"]
[PlyCount "95"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 0-0 6. Be2 c5 7. d5 Bg4 8. h3 Bxf3 9. Bxf3 Nbd7 10. Be3 Qb6 11. Rb1 Qb4 12. a3 Qa5 13. 0-0 a6 14. Bd2 Qc7 15. Qc1 Rfb8 16. Be2 Qd8 17. Bh6 Bh8 18. f4 b5 19. cxb5 axb5 20. Bxb5 Nxe4 21. a4 Ng3 22. Rf3 Nf5 23. Bg5 f6 24. Qe1 fxg5 25. Qe6+ Kf8 26. Qxd7 Nd4 27. Rff1 Qxd7 28. Bxd7 Ra7 29. fxg5+ Kg8 30. Bb5 Nxb5 31. axb5 Rab7 32. Rbe1 Rf8 33. Rxf8+ Kxf8 34. Rb1 Ke8 35. Kf2 Bd4+ 36. Ke2 e5 37. Kd3 Kd8 38. Kc4 Bxc3 39. bxc3 e4 40. b6 Kc8 41. Kb5 e3 42. Kc6 Rf7 43. Re1 Re7 44. Kxd6 Re4 45. Kc6 e2 46. d6 c4 47. b7+ Kb8 48. Ra1 1-0

[Event "COL-ch Amateur U1700"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "3"]
[White "Gomez Leon, Sebastian"]
[Black "Molano Vanegas, Ibeth"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1416"]
[BlackElo "1185"]
[PlyCount "53"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 0-0 6. h3 Nc6 7. Nbd2 e5 8. dxe5 dxe5 9. Nxe5 Nxe5 10. Bxe5 Qd5 11. Nf3 Qxd1+ 12. Rxd1 Be6 13. 0-0 Bxa2 14. b3 Rfd8 15. Ra1 Rd5 16. Rxa2 Nd7 17. Bxg7 Kxg7 18. Rd1 Nb6 19. Rxd5 Nxd5 20. Bc4 Nc3 21. Ra5 b6 22. Re5 f6 23. Re7+ Kh6 24. Rxc7 Ne2+ 25. Bxe2 a6 26. Bd3 Kh5 27. Rxh7# 1-0

[Event "COL-ch Amateur U1700"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "2"]
[White "Pinilla, Diego Alexander"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1675"]
[BlackElo "1416"]
[PlyCount "27"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. f4 Ng4 6. Qf3 Nf2 7. fxe5 0-0 8. Be3 Bg4 9. Qxf2 Bxe3 10. Qxe3 dxe5 11. Nf3 Bxf3 12. Qxf3 Qd4 13. 0-0-0 c5 14. Nd5 1-0

[Event "COL-ch Amateur U1700"]
[Site "Paipa"]
[Date "2020.02.26"]
[Round "1"]
[White "Gomez Leon, Sebastian"]
[Black "Pacheco, Gustavo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1416"]
[PlyCount "20"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 h6 4. e3 a6 5. c4 e6 6. Nc3 Nf6 7. Bd3 Bb4 8. 0-0 Bxc3 9. bxc3 0-0 10. Qc2 Nh5 1-0

[Event "COL-ch U17"]
[Site "Bogota"]
[Date "2019.12.08"]
[Round "5.8"]
[White "Gomez Leon, Sebastian"]
[Black "Restrepo Orozco, David"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1437"]
[PlyCount "39"]
[EventDate "2019.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bf4 g6 4. e3 Bg7 5. Bd3 0-0 6. Nbd2 Be6 7. Ne5 Nh5 8. Bg3 Nxg3 9. hxg3 Bxe5 10. dxe5 Nc6 11. f4 d4 12. e4 a6 13. f5 Bd7 14. Nf3 Nb4 15. Qd2 Nxd3+ 16. cxd3 h5 17. Rxh5 gxh5 18. Qg5+ Kh8 19. Qh6+ Kg8 20. Ng5 1-0

[Event "COL-ch U17"]
[Site "Bogota"]
[Date "2019.12.08"]
[Round "6.4"]
[White "Gonzalez Mojica, Renan Arturo"]
[Black "Gomez Leon, Sebastian"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "1591"]
[BlackElo "1437"]
[PlyCount "37"]
[EventDate "2019.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. e3 0-0 5. Ne2 c6 6. 0-0 d5 7. d4 exd4 8. exd4 Bd6 9. cxd5 Nxd5 10. Nbc3 Be6 11. Nxd5 Bxd5 12. Bxd5 cxd5 13. Qb3 Qe7 14. Nc3 Nc6 15. Nxd5 Qe4 16. Nc3 Qd3 17. Rd1 Qf3 18. Qd5 Qxd5 19. Nxd5 1/2-1/2

[Event "COL-ch U17"]
[Site "Bogota"]
[Date "2019.12.07"]
[Round "4.5"]
[White "Campos Perilla, Angie Catalina"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1327"]
[BlackElo "1437"]
[PlyCount "27"]
[EventDate "2019.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Be2 d5 6. 0-0 Be6 7. b3 Nd7 8. d3 Qf6 9. d4 0-0-0 10. c4 h6 11. Bb2 Bd6 12. Nbd2 Rde8 13. cxd5 Bxd5 14. Bc4 1-0

[Event "COL-ch U17"]
[Site "Bogota"]
[Date "2019.12.07"]
[Round "3.3"]
[White "Samaca Pedraza, Andres Esteban"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C54"]
[BlackElo "1437"]
[PlyCount "77"]
[EventDate "2019.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ng4 7. Bxf7+ Kxf7 8. Ng5+ Ke7 9. Qxg4 h6 10. 0-0 Nxe5 11. Qe4 d6 12. cxd4 Ke8 13. dxc5 hxg5 14. f4 gxf4 15. Bxf4 Qh4 16. Nc3 g5 17. Bxe5 Qxe4 18. Nxe4 dxe5 19. Nxg5 Rh5 20. Nf3 e4 21. Rae1 Rxc5 22. Rxe4+ Kd8 23. Rd1+ Bd7 24. Ne5 Rxe5 25. Rxe5 c6 26. Re3 Kc7 27. Re7 Rd8 28. Rdxd7+ Rxd7 29. Rxd7+ Kxd7 30. Kf2 c5 31. Kf3 b5 32. Ke4 Ke6 33. g4 a5 34. h4 b4 35. b3 a4 36. bxa4 c4 37. Kd4 b3 38. axb3 cxb3 39. Kc3 1-0

[Event "COL-ch U17"]
[Site "Bogota"]
[Date "2019.12.06"]
[Round "2.1"]
[White "Gomez Leon, Sebastian"]
[Black "Alvarez Angel, Nelson Eduardo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1437"]
[BlackElo "2018"]
[PlyCount "72"]
[EventDate "2019.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. e3 Nh5 5. Bd3 Nxf4 6. exf4 Bg7 7. 0-0 0-0 8. f5 Bxf5 9. Bxf5 gxf5 10. Qd3 e6 11. c3 Nd7 12. Nbd2 Kh8 13. Nc4 Nb6 14. Nxb6 axb6 15. Rfe1 c6 16. h4 Bf6 17. g3 Rg8 18. Kg2 Bxh4 19. Rh1 Bf6 20. Rh3 Rg7 21. a3 Qc8 22. Rah1 e5 23. Qe3 e4 24. Nd2 Bg5 25. Qe2 Qe6 26. f4 Bxf4 27. Kf2 e3+ 28. Kf3 Bg5 29. Kg2 exd2 30. Qxe6 fxe6 31. Kf3 e5 32. dxe5 dxe5 33. g4 e4+ 34. Kg3 e3 35. Kf3 fxg4+ 36. Kxg4 e2 0-1

[Event "COL-ch U17"]
[Site "Bogota"]
[Date "2019.12.06"]
[Round "1.5"]
[White "Gomez Leon, Sebastian"]
[Black "Pacheco Pena, Juan Carlos"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1437"]
[BlackElo "1543"]
[PlyCount "51"]
[EventDate "2019.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bf4 Bf5 4. e3 e6 5. Nbd2 c5 6. Bxb8 Qxb8 7. Bb5+ Kd8 8. Ne5 Bg6 9. 0-0 Bd6 10. f4 cxd4 11. exd4 a6 12. Be2 Qc7 13. c4 Bxe5 14. fxe5 Ne4 15. cxd5 exd5 16. Nxe4 dxe4 17. Bh5 Ke7 18. Bxg6 hxg6 19. Qb3 f6 20. Rac1 Qd7 21. Qb6 Rac8 22. exf6+ Ke8 23. fxg7 Rg8 24. Qxg6+ Kd8 25. Rf8+ Ke7 26. Qf6# 1-0

[Event "Pan American-ch School U17"]
[Site "Medellin"]
[Date "2019.11.16"]
[Round "8"]
[White "Salcedo Rodelo, Brayan"]
[Black "Gomez Leon, Sebastian"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1623"]
[BlackElo "1469"]
[PlyCount "15"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Qf6 7. Qa4+ c6 8. Nd5 1/2-1/2

[Event "Pan American-ch School U17"]
[Site "Medellin"]
[Date "2019.11.15"]
[Round "6"]
[White "Osorio Castano, Juan Paulo"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1469"]
[PlyCount "76"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e4 Nc6 4. g3 Bc5 5. Bg2 d6 6. Nge2 Ng4 7. 0-0 h5 8. Na4 h4 9. Nxc5 dxc5 10. h3 Nf6 11. g4 Qd3 12. f3 Be6 13. a4 Bxc4 14. Re1 Bb3 15. Ra3 c4 16. Rxb3 Qxb3 17. Qxb3 cxb3 18. Nc3 0-0-0 19. Re3 Nb4 20. Bf1 Nc2 21. Re2 a6 22. Rg2 Ne1 23. Rf2 Nd3 24. Bxd3 Rxd3 25. Nd1 Nh7 26. Ne3 Ng5 27. Kg2 Ne6 28. Nf5 Nf4+ 29. Kh2 g5 30. Ne7+ Kd8 31. Nf5 Rd7 32. d4 exd4 33. Bxf4 gxf4 34. Rd2 d3 35. Kg2 c5 36. Kf2 c4 37. Ke1 b5 38. a5 b4 0-1

[Event "Pan American-ch School U17"]
[Site "Medellin"]
[Date "2019.11.14"]
[Round "4"]
[White "Gomez Leon, Sebastian"]
[Black "Chica Almanza, Carlos Alberto"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1469"]
[PlyCount "65"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Nbd2 Be7 6. Be2 0-0 7. Ne5 Ne4 8. g4 f6 9. gxf5 fxe5 10. Bxe5 exf5 11. Nxe4 fxe4 12. Rg1 Bf6 13. Bf4 Bh4 14. Bh5 Qd7 15. Rg4 Qe7 16. Bh6 Rxf2 17. Bg5 Qb4+ 18. c3 Qxb2 19. Rxh4 Rg2 20. Rf4 Rxg5 21. Bf7+ Kh8 22. Be8 Rg1+ 23. Rf1 Rxf1+ 24. Kxf1 Nc6 25. Rb1 Qxh2 26. Qh5 Qxh5 27. Bxh5 Rf8+ 28. Ke2 b6 29. Rb5 Ne7 30. Bg4 c6 31. Rb3 Nf5 32. Ra3 h5 33. Rxa7 0-1

[Event "Pan American-ch School U17"]
[Site "Medellin"]
[Date "2019.11.13"]
[Round "3"]
[White "Alayza Serra, Juan Sebastian"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "1377"]
[BlackElo "1469"]
[PlyCount "51"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. Nf3 d6 6. 0-0 Be6 7. d3 Nbd7 8. a3 0-0 9. b4 Bb6 10. Bb2 Qe7 11. Qc2 Ng4 12. h3 Nh6 13. e3 f5 14. Rfe1 f4 15. exf4 exf4 16. Nd5 cxd5 17. cxd5 fxg3 18. Rxe6 Bxf2+ 19. Kh1 Qd8 20. Rxd6 Rc8 21. Qa4 Rxf3 22. Rxd7 Qf8 23. Rxg7+ Qxg7 24. Bxg7 Re3 25. Bxh6 Re2 26. Qd7 1-0

[Event "Pan American-ch School U17"]
[Site "Medellin"]
[Date "2019.11.12"]
[Round "2"]
[White "Gomez Leon, Sebastian"]
[Black "Vargas Viscaino, Jesus Daniel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1469"]
[BlackElo "1862"]
[PlyCount "80"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. c3 Qb6 5. Qc1 Nc6 6. e3 Bf5 7. Nbd2 e6 8. Nh4 Rc8 9. Nxf5 exf5 10. Qb1 g6 11. Be2 h5 12. 0-0 Be7 13. Rd1 0-0 14. dxc5 Bxc5 15. Nb3 Be7 16. Bg5 Rfd8 17. Nd4 Ne5 18. Nf3 Ned7 19. Bxf6 Nxf6 20. Rd3 a5 21. Nd4 Re8 22. Nc2 f4 23. Bf3 fxe3 24. Rxe3 Bc5 25. Rxe8+ Rxe8 26. Nd4 Bxd4 27. cxd4 Qxd4 28. Qc2 Qb4 29. g3 b6 30. Rd1 d4 31. a3 Qc5 32. Qxc5 bxc5 33. Rc1 Rc8 34. Be2 Nd5 35. Kf1 Kf8 36. Ba6 Rc7 37. Ke1 Ke7 38. Kd2 Kd6 39. Kd3 Nb6 40. Bb5 c4+ 0-1

[Event "Pan American-ch School U17"]
[Site "Medellin"]
[Date "2019.11.12"]
[Round "1"]
[White "Sanchez Arroyave, Juan Pablo"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1853"]
[BlackElo "1469"]
[PlyCount "39"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Bd6 4. Bg2 c6 5. Qc2 Ne7 6. Nf3 Nd7 7. 0-0 f5 8. b3 h6 9. a4 g5 10. Ba3 Bc7 11. Nfd2 h5 12. cxd5 exd5 13. Bxe7 Qxe7 14. Qxf5 Nf8 15. Qd3 h4 16. Nc3 hxg3 17. fxg3 Bd7 18. e4 0-0-0 19. exd5 cxd5 20. Rae1 1-0

[Event "COL-ch sf3 U18"]
[Site "Bogota"]
[Date "2019.06.09"]
[Round "6.11"]
[White "Gomez Leon, Sebastian"]
[Black "Carvajal Pena, Dilan Ricardo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1501"]
[BlackElo "1505"]
[PlyCount "60"]
[EventDate "2019.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 d5 5. c3 Nbd7 6. h3 b6 7. Be2 Bb7 8. Nbd2 Be7 9. Qc2 Rc8 10. Bd3 h6 11. g4 c4 12. Be2 Ne4 13. Rh2 Ndf6 14. Ne5 Nxd2 15. Kxd2 Ne4+ 16. Ke1 a6 17. f3 Bh4+ 18. Kf1 Ng3+ 19. Kg2 Nxe2 20. Qxe2 Rg8 21. Qc2 Qf6 22. Rhh1 g5 23. Bh2 Qg7 24. f4 f6 25. Nf3 f5 26. Kf1 fxg4 27. hxg4 Rf8 28. Ke2 gxf4 29. Nxh4 Qxg4+ 30. Nf3 Qg2+ 0-1

[Event "COL-ch sf3 U18"]
[Site "Bogota"]
[Date "2019.06.08"]
[Round "5.14"]
[White "Obando Gonzalez, Luis Alejandro"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1280"]
[BlackElo "1501"]
[PlyCount "76"]
[EventDate "2019.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 8. Nf3 Bg4 9. Nbd2 0-0-0 10. h3 Bh5 11. 0-0 f6 12. Re1 Bd6 13. e5 fxe5 14. Nxe5 Re8 15. Ndc4 b5 16. Nxd6+ cxd6 17. Nd3 Rxe1+ 18. Nxe1 Nf6 19. Bf4 d5 20. c3 Re8 21. g4 Bg6 22. Kf1 c4 23. Rd1 Kb7 24. Bg5 Kc6 25. f4 Ne4 26. f5 Bxf5 27. gxf5 Nxg5 28. h4 Ne4 29. Kg2 Nd6 30. Kf2 Nxf5 31. Nc2 Nxh4 32. Nb4+ Kb7 33. Rh1 Rf8+ 34. Ke2 g5 35. Nxd5 Re8+ 36. Kf2 h6 37. Ne3 Rf8+ 38. Kg3 Rf3+ 0-1

[Event "COL-ch sf3 U18"]
[Site "Bogota"]
[Date "2019.06.08"]
[Round "4.10"]
[White "Padilla Ordonez, Daniel Eduardo"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1858"]
[BlackElo "1501"]
[PlyCount "55"]
[EventDate "2019.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. e3 Nd7 8. b3 Be4 9. Be2 e6 10. 0-0 g5 11. Ne1 Bg7 12. f3 Bg6 13. Bc4 Qd6 14. a4 Be5 15. g3 0-0-0 16. Ba3 c5 17. dxe5 Qxe5 18. Ng2 Nf6 19. Qe2 Qc7 20. Bb2 e5 21. Rac1 h5 22. b4 h4 23. g4 h3 24. Ne1 Nxg4 25. Be6+ Kb8 26. Bxg4 f5 27. Rxc5 Qd6 28. Bxe5 1-0

[Event "COL-ch sf3 U18"]
[Site "Bogota"]
[Date "2019.06.07"]
[Round "3.7"]
[White "Gomez Leon, Sebastian"]
[Black "Caicedo Rodriguez, Santiago Mauricio"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1501"]
[BlackElo "1706"]
[PlyCount "76"]
[EventDate "2019.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nbd2 c5 5. c3 cxd4 6. cxd4 0-0 7. e3 Nc6 8. Be2 d6 9. 0-0 Nh5 10. Bg5 Bf6 11. Ne4 Bxg5 12. Nfxg5 Ng7 13. Nf3 b6 14. Rc1 Bb7 15. Bb5 Rc8 16. Ng3 a6 17. Be2 Qd7 18. Qa4 Nf5 19. d5 Nxg3 20. hxg3 Ne5 21. Qd4 Nxf3+ 22. Bxf3 Qb5 23. e4 Rxc1 24. Rxc1 Rc8 25. Rxc8+ Bxc8 26. a4 Qc5 27. Qxc5 bxc5 28. a5 f5 29. exf5 Bxf5 30. Be2 Bc8 31. g4 g5 32. g3 Kf7 33. f4 h6 34. Bc4 Bb7 35. Kf2 Kf6 36. Ke2 e6 37. dxe6 d5 38. Bxd5 Bxd5 0-1

[Event "COL-ch sf3 U18"]
[Site "Bogota"]
[Date "2019.06.07"]
[Round "2.15"]
[White "Gomez Leon, Sebastian"]
[Black "Mendrales Acosta, Emmanuel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1501"]
[BlackElo "1533"]
[PlyCount "47"]
[EventDate "2019.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Bf5 4. e3 Nf6 5. Nh4 Bg4 6. f3 Bh5 7. g4 Bg6 8. Nxg6 hxg6 9. c4 e6 10. Qb3 Qa5+ 11. Nd2 Bb4 12. 0-0-0 0-0 13. a3 Bxd2+ 14. Rxd2 b6 15. Bd6 Rd8 16. Bb4 Qa6 17. cxd5 Qc8 18. dxe6 fxe6 19. Bc4 Re8 20. Qd3 Kf7 21. h4 Rd8 22. h5 gxh5 23. gxh5 Rh8 24. Qg6+ 1-0

[Event "COL-ch sf3 U18"]
[Site "Bogota"]
[Date "2019.06.06"]
[Round "1.7"]
[White "Pinillo Canon, Silvana"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1774"]
[BlackElo "1501"]
[PlyCount "39"]
[EventDate "2019.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. d4 d6 5. Nf3 Nxe4 6. Be2 d5 7. 0-0 Be6 8. Nc3 h6 9. Re1 Nxc3 10. bxc3 Nd7 11. c4 0-0-0 12. cxd5 Bxd5 13. c4 Bxf3 14. Bxf3 Qb4 15. Bf4 c6 16. Qc2 g6 17. Rab1 Qa5 18. Qb3 Qb6 19. Qa4 Qxd4 20. Bxc6 1-0

[Event "COL-ch U16 sf1"]
[Site "Duitama"]
[Date "2019.04.13"]
[Round "4.8"]
[White "Campos Perilla, Felix Santiago"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1408"]
[BlackElo "1513"]
[PlyCount "86"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bc4 Bc5 4. d3 Nf6 5. h3 d6 6. Bg5 Be6 7. Bb3 Qe7 8. Nc3 h6 9. Bh4 g5 10. Bg3 Bxb3 11. axb3 Bb4 12. Ke2 0-0-0 13. Nd5 Nxd5 14. exd5 Nd4+ 15. Kf1 Nf5 16. Rxa7 Bc5 17. Ra4 h5 18. b4 Nxg3+ 19. fxg3 Bb6 20. c4 Qf6 21. Ke2 g4 22. Rf1 gxf3+ 23. Rxf3 Qg6 24. Qc2 e4 25. dxe4 Rhe8 26. c5 Rxe4+ 27. Re3 Rxe3+ 28. Kd1 Re1+ 29. Kxe1 Qxc2 30. Ra8+ Kd7 31. Rxd8+ Kxd8 32. cxb6 Qxg2 33. bxc7+ Kxc7 34. g4 hxg4 35. hxg4 Qxb2 36. g5 Kb6 37. Kf1 Qd2 38. Kg1 Kb5 39. Kf1 Kc4 40. b5 Kd3 41. b6 Ke3 42. Kg1 Kf3 43. g6 Qg2# 0-1

[Event "COL-ch U16 sf1"]
[Site "Duitama"]
[Date "2019.04.13"]
[Round "5.2"]
[White "Gomez Leon, Sebastian"]
[Black "Hincapie Uribe, Eduardo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1513"]
[BlackElo "1386"]
[PlyCount "80"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. 0-0 Nf5 9. Nc3 Bd7 10. Na4 Qd8 11. Bg5 Be7 12. Bxe7 Qxe7 13. Nc5 Nfxd4 14. Nxb7 Nxf3+ 15. Bxf3 Nxe5 16. Bxd5 0-0 17. Be4 Bc6 18. Qd4 Qxb7 19. Bxh7+ Kxh7 20. Qxe5 Bxg2 21. Rfe1 Qd5 22. Qg3 Bf3 23. Re5 Qd4 24. Qh3+ Kg8 25. Rae1 Qg4+ 26. Qxg4 Bxg4 27. Rg5 Bf5 28. h4 Rab8 29. b3 Rb4 30. Re3 Rg4+ 31. Rxg4 Bxg4 32. Re5 f6 33. Ra5 Rf7 34. b4 Rb7 35. a3 Be2 36. Kh2 Kf7 37. Kg3 a6 38. Kf4 Rb5 39. Rxb5 Bxb5 40. Kg4 Kg6 0-1

[Event "COL-ch U16 sf1"]
[Site "Duitama"]
[Date "2019.04.12"]
[Round "3.9"]
[White "Gomez Leon, Sebastian"]
[Black "Garcia, Karen Geraldin"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1513"]
[BlackElo "1500"]
[PlyCount "110"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Nf6 4. e3 Bg4 5. Nbd2 e6 6. h3 Bh5 7. Be2 Bd6 8. Ne5 Bxe2 9. Qxe2 Bxe5 10. dxe5 Nd7 11. Nf3 0-0 12. 0-0-0 f6 13. exf6 Nxf6 14. Ng5 Qd7 15. g4 h6 16. Nf3 Nb4 17. a3 a5 18. axb4 axb4 19. Kd2 Ne4+ 20. Ke1 g5 21. Bg3 Nxg3 22. fxg3 Qd6 23. Kf2 Rf7 24. Kg2 Raf8 25. Rhf1 e5 26. e4 d4 27. Qc4 c5 28. Nd2 Qa6 29. Rxf7 Rxf7 30. Rf1 Qxc4 31. Nxc4 Re7 32. Rf5 Kg7 33. Nxe5 b5 34. b3 c4 35. Kf3 cxb3 36. cxb3 Rc7 37. Rf7+ Rxf7+ 38. Nxf7 Kxf7 39. Ke2 Ke6 40. Kd3 Ke5 41. h4 gxh4 42. gxh4 Kf4 43. g5 hxg5 44. hxg5 Kxg5 45. Kxd4 Kf6 46. Kd5 Ke7 47. Ke5 Kd7 48. Kf6 Ke8 49. Ke6 Kd8 50. Kf7 Kd7 51. e5 Kc6 52. e6 Kd5 53. e7 Kd4 54. e8Q Kc3 55. Qe3+ Kc2 1-0

[Event "COL-ch U16 sf1"]
[Site "Duitama"]
[Date "2019.04.12"]
[Round "2.13"]
[White "Obando Gonzalez, Luis Alejandro"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1467"]
[BlackElo "1513"]
[PlyCount "72"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. Be3 Bxf3 8. Qxf3 exd4 9. Bxd4 Bxh2+ 10. Kxh2 Qxd4 11. Nc3 Qe5+ 12. Kg1 Nf6 13. Rad1 0-0 14. Rd3 Rfe8 15. Re1 b5 16. b4 a5 17. bxa5 b4 18. Nd1 Rxa5 19. Qe3 h6 20. f4 Qh5 21. Nf2 Rxa2 22. e5 Rxc2 23. Rd2 Nd5 24. Qd3 Rc3 25. Qb1 Qg6 26. Ne4 Rc4 27. f5 Qg4 28. Qd3 Nb6 29. Re3 Rc1+ 30. Kf2 Qf4+ 31. Rf3 Qxe5 32. Rg3 Qxe4 33. Qxe4 Rxe4 34. Rd8+ Kh7 35. f6 Rf4+ 36. Ke3 Rxf6 0-1

[Event "COL-ch U16 sf1"]
[Site "Duitama"]
[Date "2019.04.11"]
[Round "1.11"]
[White "Gomez Leon, Sebastian"]
[Black "Mosquera Orjuela, Johan Esteban"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1513"]
[BlackElo "1494"]
[PlyCount "50"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. e3 g6 4. Bc4 Bg7 5. Qf3 Nc6 6. a3 b6 7. Bd2 Bb7 8. 0-0-0 Na5 9. Bd5 Nxd5 10. Nxd5 e6 11. e4 fxe4 12. Qg3 Bxd5 13. Ne2 0-0 14. h4 Nc4 15. Bf4 Bb7 16. h5 Qf6 17. Rh4 e5 18. dxe5 Nxe5 19. hxg6 Nxg6 20. Rg4 Ba6 21. Rxd7 Qxb2+ 22. Kd1 Rad8 23. Rxd8 Rxd8+ 24. Bd2 Bxe2+ 25. Kxe2 Qxc2 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.16"]
[Round "6"]
[White "Gomez Leon, Sebastian"]
[Black "Florez Caceres, Rafael Omar"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1548"]
[BlackElo "1440"]
[PlyCount "112"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nbd2 d6 5. e4 Nbd7 6. Be2 0-0 7. 0-0 b6 8. c3 Bb7 9. Qc2 c5 10. Rac1 Rc8 11. d5 Re8 12. Qa4 Qc7 13. Rfe1 a6 14. b3 b5 15. Qa3 e6 16. c4 b4 17. Qb2 Nh5 18. Bxd6 Qxd6 19. Qc2 Nhf6 20. Bd3 Ng4 21. h3 Nge5 22. Be2 Bh6 23. Rcd1 Re7 24. Nh2 Nf6 25. g3 g5 26. Ndf3 Nfd7 27. Nxg5 Bxg5 28. f4 Bf6 29. fxe5 Qxe5 30. Qd3 Qd4+ 31. Kf1 exd5 32. exd5 Qxd3 33. Bxd3 Rce8 34. Rxe7 Rxe7 35. Bf5 Ne5 36. d6 Re8 37. Re1 Rd8 38. Rd1 Kg7 39. d7 Bc6 40. Rd6 a5 41. Ng4 Nxg4 42. hxg4 Ba8 43. Ra6 Be5 44. Rxa5 Bd6 45. Kf2 h6 46. Ra6 Bf8 47. Ke3 f6 48. Kf2 Kf7 49. Ke3 Ke7 50. Kf4 Bg7 51. a3 bxa3 52. Rxa3 Bc6 53. Ra7 Kd6 54. Ke3 Bxd7 55. Bxd7 Rxd7 56. Rxd7+ Kxd7 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.15"]
[Round "5"]
[White "Cardozo Meza, Ferney Adan"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1848"]
[BlackElo "1548"]
[PlyCount "27"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. d4 d6 5. Nf3 Nxe4 6. Be2 d5 7. 0-0 Be6 8. c4 Nc6 9. cxd5 Bxd5 10. Nc3 Nxc3 11. bxc3 Qd6 12. c4 Bxf3 13. Bxf3 Be7 14. c5 1-0

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.15"]
[Round "4"]
[White "Gomez Leon, Sebastian"]
[Black "Guerrero Borda, Diego Hernando"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1548"]
[BlackElo "1492"]
[PlyCount "47"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Nc6 4. e3 a6 5. Nbd2 Bf5 6. Bd3 e6 7. 0-0 h6 8. Re1 Bxd3 9. cxd3 Bd6 10. Ne5 Bxe5 11. dxe5 Nd7 12. Qg4 Rg8 13. d4 f5 14. exf6 Qxf6 15. Bxc7 Rc8 16. Bd6 Kd8 17. Rac1 e5 18. dxe5 Ndxe5 19. Bxe5 Qxe5 20. e4 Qxb2 21. exd5 Rc7 22. dxc6 bxc6 23. Nc4 Qb4 24. Rcd1+ 1-0

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.14"]
[Round "3"]
[White "Avila Hernandez, Edwin"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1587"]
[BlackElo "1548"]
[PlyCount "94"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 c5 5. c3 cxd4 6. exd4 Nc6 7. Bd3 Bd6 8. Bg5 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Qe2 0-0 12. 0-0 Re8 13. Re1 Bxh2+ 14. Kxh2 Rxe2 15. Rxe2 Qd6+ 16. g3 Bd7 17. Nd2 Ng4+ 18. Kg2 f6 19. Bf4 Qb6 20. b4 Re8 21. Rae1 Kf7 22. f3 Rxe2+ 23. Rxe2 g5 24. Bxh7 gxf4 25. fxg4 Bxg4 26. Nf3 f5 27. Ng5+ Kf6 28. Re6+ Qxe6 29. Nxe6 f3+ 30. Kf2 Kxe6 31. c4 d4 32. Bg8+ Ke5 33. Bd5 d3 34. Ke3 f2 35. Bg2 Be2 36. Kxf2 Kd4 37. c5 Kc3 38. Bxb7 d2 39. Kxe2 Kc2 40. c6 d1Q+ 41. Ke3 Qd6 42. b5 Qc7 43. Kf3 Kb2 44. a4 Kb3 45. g4 fxg4+ 46. Kxg4 Kxa4 47. Kf5 Kxb5 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.14"]
[Round "2"]
[White "Gomez Leon, Sebastian"]
[Black "Cifuentes Gonzalez, Joan Sebastian"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1548"]
[PlyCount "68"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Be7 5. Nbd2 0-0 6. Bd3 Nbd7 7. h3 c5 8. c3 b6 9. Ne5 Bb7 10. Qb1 cxd4 11. exd4 a5 12. g4 g6 13. Bh6 Re8 14. Rg1 Nxe5 15. dxe5 Nd7 16. Nf3 Qb8 17. Bf4 Nc5 18. g5 Nxd3+ 19. Qxd3 Qc7 20. h4 Ba6 21. Qd2 Qc4 22. h5 Qe4+ 23. Qe3 Qxe3+ 24. Bxe3 Bc5 25. Kd2 Red8 26. Rg4 Ra7 27. Rh1 Rad7 28. Rhh4 Bb7 29. Bxc5 bxc5 30. Ra4 d4 31. Ne1 dxc3+ 32. Kxc3 Rd5 33. Rhe4 Rd1 34. Nc2 Bxe4 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.13"]
[Round "1"]
[White "Alvarez Lora, Amaury Antonio"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2044"]
[BlackElo "1548"]
[PlyCount "77"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d3 Be7 5. Nf3 d6 6. 0-0 Qc7 7. Nc3 0-0 8. Bg5 Be6 9. Rc1 Nbd7 10. Qd2 Rac8 11. b3 Nb6 12. e4 Ng4 13. h3 Bxg5 14. Nxg5 Nf6 15. d4 Rcd8 16. d5 cxd5 17. Nxd5 Bxd5 18. cxd5 Qd7 19. Qb4 Nc8 20. Rc4 h6 21. Nf3 Ne7 22. Rfc1 Rc8 23. Nd2 Rxc4 24. Nxc4 Rc8 25. Rd1 Rd8 26. Na5 b6 27. Nc4 b5 28. Ne3 Rc8 29. a4 Rc5 30. Bf1 bxa4 31. bxa4 a5 32. Qb8+ Rc8 33. Qb6 Qxa4 34. Qxd6 Ng6 35. Qa6 Rc3 36. Rd3 Nxe4 37. Rxc3 Nxc3 38. Qc8+ Kh7 39. Qxc3 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.12"]
[Round "9"]
[White "Bueno, Miguel Angel"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1713"]
[BlackElo "1484"]
[PlyCount "27"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. d4 d6 5. Nf3 Nxe4 6. Be2 Bf5 7. 0-0 Nd7 8. c4 0-0-0 9. Re1 d5 10. Nc3 Ndf6 11. Bd3 Qd6 12. cxd5 Re8 13. Qc2 Ng4 14. Nxe4 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.11"]
[Round "8"]
[White "Gomez Leon, Sebastian"]
[Black "Rueda Bermudez, Andres Felipe"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1484"]
[BlackElo "1673"]
[PlyCount "81"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 d5 6. h3 Nbd7 7. Nbd2 Be7 8. c3 a5 9. Ne5 c5 10. Qf3 c4 11. Bc2 a4 12. a3 Bd6 13. Nxf7 Kxf7 14. Bxd6 b5 15. g4 h6 16. Ke2 g5 17. Rh2 Nf8 18. Be5 Ng6 19. Rah1 Nh4 20. Qg3 Ke7 21. Nf3 Nxf3 22. Bxf6+ Kxf6 23. Qxf3+ Ke7 24. h4 Qg8 25. Qg3 Kd7 26. Qh3 gxh4 27. Qxh4 Rf8 28. g5 e5 29. Qg4+ Kc7 30. g6 Bc8 31. Qg3 Qg7 32. Qxe5+ Qxe5 33. dxe5 Re8 34. Rxh6 Rxh6 35. Rxh6 Rxe5 36. g7 Rg5 37. Rh7 Kd6 38. Rh6+ Ke7 39. Rg6 Rxg6 40. Bxg6 Be6 41. Bh7 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.10"]
[Round "7"]
[White "Guerrero, Hernando"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "1820"]
[BlackElo "1484"]
[PlyCount "23"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Nxe5 d5 5. Bd3 f6 6. Qh5+ Ke7 7. Qf7+ Kd6 8. Bxe4 Be6 9. Qh5 fxe5 10. Qxe5+ Ke7 11. Bxd5 Qxd5 12. Be3 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.09"]
[Round "6"]
[White "Gomez Leon, Sebastian"]
[Black "Casas Cobos, Julio Eduardo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1484"]
[BlackElo "1904"]
[PlyCount "82"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. c3 Nc6 4. Bf4 cxd4 5. Nxd4 Nf6 6. e3 g6 7. Nd2 Bg7 8. Bd3 0-0 9. 0-0 Nh5 10. Bg3 f5 11. Nxc6 bxc6 12. Qa4 Bd7 13. Be2 Nxg3 14. hxg3 e5 15. Qh4 Bf6 16. Qa4 a5 17. Qc2 Qb6 18. Kh2 Kg7 19. Rad1 Be6 20. Nf3 Rab8 21. b3 Qc5 22. Rd2 h5 23. Rh1 Qe7 24. c4 Rbc8 25. Qc3 Qc7 26. Rc1 Rf7 27. cxd5 cxd5 28. Qxc7 Rfxc7 29. Rxc7+ Rxc7 30. Bb5 Bf7 31. Ba4 g5 32. a3 Rc3 33. Kh1 g4 34. Nh4 Be6 35. Re2 Kf7 36. f3 d4 37. exd4 exd4 38. Be8+ Kxe8 39. Rxe6+ Kf7 40. Rd6 Bxh4 41. gxh4 g3 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.09"]
[Round "5"]
[White "Lopez Rayo, Santiago"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "1752"]
[BlackElo "1484"]
[PlyCount "42"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Nd5 5. Qxd4 Nb4 6. Qe4 Be7 7. a3 N4c6 8. Nc3 d6 9. exd6 cxd6 10. Bf4 Be6 11. 0-0-0 0-0 12. h4 Nd7 13. Ng5 Nf6 14. Qd3 Qb6 15. Nce4 Bf5 16. Nxf6+ Bxf6 17. Qb5 Qxb5 18. Bxb5 Nd4 19. Bf1 Rac8 20. Rxd4 Rxc2+ 21. Kd1 Bxd4 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.08"]
[Round "4"]
[White "Gomez Leon, Sebastian"]
[Black "Palomares Valencia, Daniel Felipe"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1484"]
[BlackElo "1783"]
[PlyCount "90"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Nbd2 0-0 6. Bc4 c5 7. c3 b6 8. 0-0 Bb7 9. Qb3 Nbd7 10. Ng5 d5 11. Be2 h6 12. Ngf3 Nh5 13. Bg3 c4 14. Qc2 f5 15. Nh4 Nxg3 16. fxg3 Qe8 17. g4 e6 18. gxf5 exf5 19. Rf3 Rf6 20. Raf1 Qe6 21. g3 Raf8 22. Ng2 g5 23. R3f2 R8f7 24. b3 b5 25. Qb1 Nf8 26. Nf3 Ng6 27. Nd2 Bf8 28. Qc2 Bd6 29. a4 a6 30. axb5 axb5 31. Ra1 f4 32. exf4 gxf4 33. gxf4 Nxf4 34. Nxf4 Rxf4 35. Rg2+ Rg7 36. Rxg7+ Kxg7 37. Nf3 Qe3+ 38. Kg2 Bc8 39. Re1 Bg4 40. Rf1 Re4 41. Qd1 Re6 42. Rf2 Qf4 43. bxc4 bxc4 44. Rf1 Rg6 45. Qc2 Bxf3+ 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.07"]
[Round "2"]
[White "Gomez Leon, Sebastian"]
[Black "Aldana, Omar"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1484"]
[BlackElo "1802"]
[PlyCount "94"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 Nc6 5. c3 Nh5 6. Nh4 Nxf4 7. Nxf5 Ng6 8. Nd2 e6 9. Ng3 Bd6 10. Bd3 0-0 11. Qh5 f5 12. Nf3 Rf6 13. Ng5 h6 14. Nxe6 Qe7 15. Bxf5 Rxe6 16. Bxg6 Qf6 17. Bf5 Ree8 18. Bd7 Red8 19. Qxd5+ Kh8 20. Qf5 Qe7 21. Bxc6 bxc6 22. 0-0 Rab8 23. b3 Rb5 24. Qe4 Qd7 25. c4 Rg5 26. f4 Ra5 27. c5 Re8 28. Qf5 Qe7 29. e4 Qd8 30. e5 Be7 31. Qe4 Rb5 32. Nf5 Rb4 33. Rad1 Bxc5 34. Qxc6 Bf8 35. d5 Rb6 36. Qc4 Qc8 37. e6 Kh7 38. Qd3 Kg8 39. Rf3 Qd8 40. Nxh6+ gxh6 41. Qg6+ Bg7 42. Qf7+ Kh8 43. Rg3 Re7 44. Qg6 Rbxe6 45. Qg4 Re2 46. f5 c6 47. d6 Qb6+ 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.07"]
[Round "3"]
[White "Valcarcel Sierra, Gustavo"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1703"]
[BlackElo "1484"]
[PlyCount "7"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nc6 4. Bf4 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.06"]
[Round "1"]
[White "Valencia, Cristian Johan"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1962"]
[BlackElo "1484"]
[PlyCount "51"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. b3 Bg4 7. Bb2 Nc6 8. Be2 Be7 9. 0-0 Qd7 10. c4 0-0-0 11. d4 h5 12. d5 Bxf3 13. dxc6 Bxc6 14. b4 Qf5 15. b5 Bd7 16. Qa4 Qc5 17. Rd1 a6 18. Bd4 Qg5 19. Bf3 d5 20. Nc3 dxc4 21. Bxb7+ Kb8 22. Ba7+ Kxb7 23. Qxa6+ Ka8 24. Bb6+ Kb8 25. Qa7+ Kc8 26. Qa8# 1-0

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.20"]
[Round "6"]
[White "Villalobos, Alejandro"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1419"]
[BlackElo "1484"]
[PlyCount "102"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. e4 e6 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Qe2 0-0 7. Nf3 Nc6 8. c3 Re8 9. 0-0 Bg4 10. Re1 Qd7 11. Nbd2 Ba3 12. Qxe8+ Rxe8 13. bxa3 Bxf3 14. Nxf3 Ne4 15. Bxe4 Rxe4 16. Be3 Qd6 17. Nd2 Re6 18. c4 dxc4 19. Nxc4 Qd5 20. Rac1 h6 21. a4 Nxd4 22. Kf1 Rg6 23. Bxd4 Qxd4 24. Re8+ Kh7 25. Ne5 Rf6 26. Nf3 Qxa4 27. Re2 c6 28. Nd2 Qa6 29. Rce1 Re6 30. Nf3 Qc4 31. Ng1 Re5 32. Nf3 Ra5 33. Ra1 c5 34. Ne5 Qd5 35. Kg1 c4 36. Nf3 b5 37. Rd2 Qe6 38. Re1 Qa6 39. Ree2 b4 40. h3 b3 41. axb3 cxb3 42. Nd4 Ra1+ 43. Kh2 b2 44. Rxb2 Qd6+ 45. g3 Qxd4 46. Rbd2 Qf6 47. Kg2 a5 48. Ra2 a4 49. h4 a3 50. Red2 Rxa2 51. Rxa2 Qb2 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.19"]
[Round "5"]
[White "Gomez Leon, Sebastian"]
[Black "Penagos, Laura Valentina"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1484"]
[PlyCount "120"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 c4 6. Nbd2 Bd6 7. Ne5 0-0 8. h3 Nfd7 9. Bh2 Nxe5 10. dxe5 Bc7 11. Be2 Nd7 12. Nf3 f6 13. Qd4 Bb6 14. Qg4 f5 15. Qh5 Nc5 16. Bf4 Bd7 17. g4 Be8 18. Qh4 Qxh4 19. Nxh4 fxg4 20. hxg4 Bd8 21. f3 g5 22. Bxg5 Bxg5 23. Kd2 a5 24. Rh3 Bxh4 25. Rxh4 a4 26. Rah1 Bg6 27. a3 Ra6 28. R1h2 Rb6 29. Kc1 Nd3+ 30. Bxd3 Bxd3 31. Rf2 Rf7 32. g5 Rg7 33. f4 Rc6 34. Rfh2 Rcc7 35. Rh6 Rg6 36. R6h4 Rf7 37. Kd2 Be4 38. Ke2 b5 39. R2h3 Rgg7 40. Ke1 Bf5 41. Rh2 h6 42. Kd2 Kf8 43. Rxh6 Rh7 44. Ke2 Ke7 45. Kf2 Rxh6 46. Rxh6 Rh7 47. Rxh7+ Bxh7 48. Kg3 Bb1 49. Kh4 Kf7 50. Kh5 Kg7 51. Kh4 Bc2 52. Kh5 Bd1+ 53. Kh4 Kg6 54. Kg3 Kf5 55. Kh4 Be2 56. Kg3 Bh5 57. Kh4 Be8 58. Kg3 Ke4 59. Kg4 Bg6 60. Kg3 Kxe3 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.19"]
[Round "4"]
[White "Mejia Toscano, Daniel Ricardo"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1992"]
[BlackElo "1484"]
[PlyCount "39"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Be2 d5 6. Nc3 Be6 7. 0-0 c6 8. Nd4 Nd7 9. Nxe6 Qxe6 10. Nxe4 dxe4 11. d3 exd3 12. Bxd3 Be7 13. Re1 Qf6 14. Qe2 Nc5 15. Bc4 Rd8 16. Bd2 Rd7 17. Bc3 Qg5 18. f4 Qg6 19. Rad1 Rxd1 20. Qxe7# 1-0

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.18"]
[Round "3"]
[White "Gomez Leon, Sebastian"]
[Black "Paladines Pinzon, Samuel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1484"]
[BlackElo "1118"]
[PlyCount "43"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Bd3 c4 7. Bc2 Qb6 8. Qc1 Be7 9. Nbd2 0-0 10. h3 h6 11. g4 Qd8 12. Qb1 Bd6 13. Ne5 Qc7 14. g5 hxg5 15. Bxg5 Nxe5 16. Bxf6 Nd3+ 17. Bxd3 cxd3 18. Rg1 g6 19. Qxd3 e5 20. Rxg6+ Kh7 21. Rg7+ Kh6 22. Qh7# 1-0

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.18"]
[Round "2"]
[White "Mora, Luis Jose"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1881"]
[BlackElo "1484"]
[PlyCount "9"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nd2 c5 5. c3 1-0

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.22"]
[Round "6"]
[White "Gomez Leon, Sebastian"]
[Black "Lopez, Alberto1111"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1458"]
[BlackElo "1616"]
[PlyCount "70"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 cxd4 5. exd4 Bb4+ 6. c3 Ba5 7. Nbd2 Bc7 8. Bxc7 Qxc7 9. Bd3 d5 10. Qc2 Nbd7 11. h3 b6 12. 0-0 h6 13. Rfe1 0-0 14. Ne5 Nh5 15. Ndf3 Nf4 16. Bh7+ Kh8 17. g3 Nxh3+ 18. Kg2 Nxe5 19. dxe5 f5 20. Bg6 f4 21. Kxh3 fxg3 22. Kxg3 d4 23. Nxd4 Bb7 24. Be4 Bxe4 25. Qxe4 Qf7 26. Re2 Rad8 27. Rg1 g5 28. Rh1 h5 29. Nxe6 h4+ 30. Kg2 Qxe6 31. Rg1 Rf4 32. Qc2 h3+ 33. Kh2 g4 34. Re4 Qf5 35. Kh1 Qxe4+ 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.22"]
[Round "7"]
[White "Torres Moya, Rodrigo"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1539"]
[BlackElo "1458"]
[PlyCount "86"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bb4 5. Qb3 Bxc3 6. bxc3 0-0 7. Ba3 Re8 8. e4 d6 9. Ne2 b6 10. 0-0 Be6 11. d3 Na5 12. Qb2 Qd7 13. f4 Bh3 14. f5 Bxg2 15. Kxg2 c5 16. Qc2 Qe7 17. Bc1 h6 18. Bd2 Nh7 19. Ng1 Ng5 20. Nf3 Nxf3 21. Rxf3 Kh7 22. Raf1 f6 23. g4 Rh8 24. h4 Rag8 25. Qc1 g5 26. Rh1 Kg7 27. hxg5 hxg5 28. Rfh3 Rxh3 29. Rxh3 Rh8 30. Rxh8 Kxh8 31. Qh1+ Qh7 32. Qxh7+ Kxh7 33. Kg3 Nc6 34. Be3 Kg7 35. a3 Kf7 36. a4 Ke7 37. Kf3 Kd7 38. Ke2 Nd8 39. d4 Nf7 40. d5 Kc7 41. Bc1 Kb7 42. a5 Nh6 43. axb6 Kxb6 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.21"]
[Round "5"]
[White "Campos Perilla, Angie Catalina"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1263"]
[BlackElo "1458"]
[PlyCount "99"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Be2 d5 6. 0-0 Be6 7. d3 Nf6 8. Bg5 Nc6 9. Nc3 0-0-0 10. a4 h6 11. Be3 d4 12. Nxd4 Nxd4 13. a5 Qd7 14. a6 Nxe2+ 15. Qxe2 b6 16. Qf3 Bd5 17. Nxd5 Qxd5 18. Qh3+ Rd7 19. Rfd1 Bd6 20. c4 Qh5 21. d4 Qxh3 22. gxh3 Rhd8 23. Rab1 Bc5 24. d5 Bxe3 25. fxe3 Re8 26. Re1 Ne4 27. Kg2 Nd2 28. Rbc1 Re4 29. c5 Ra4 30. cxb6 axb6 31. Red1 Nb3 32. Rc3 Nc5 33. Kf3 Nxa6 34. e4 Nc5 35. e5 Re7 36. d6 Rxe5 37. dxc7 Kxc7 38. Rb1 Kd6 39. b4 Ne4 40. Rd1+ Rd5 41. Rxd5+ Kxd5 42. Rd3+ Ke5 43. b5 Rd4 44. Re3 Kd5 45. h4 Kc5 46. Rxe4 Rxe4 47. Kxe4 Kxb5 48. Kd3 Ka4 49. Kc2 Ka3 50. Kb1 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.21"]
[Round "4"]
[White "Gomez Leon, Sebastian"]
[Black "Zambrano Vargas, Jesus Andres"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1458"]
[BlackElo "1643"]
[PlyCount "54"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 Bf5 4. e3 e6 5. Nbd2 c5 6. c3 Qb6 7. Qc1 Nc6 8. h3 cxd4 9. exd4 Rc8 10. a3 Ne4 11. Nxe4 dxe4 12. Nh4 Nxd4 13. Be3 Bc5 14. Bxd4 Bxd4 15. Qd2 Qxb2 16. Qxb2 Bxc3+ 17. Qxc3 Rxc3 18. Bb5+ Ke7 19. Nxf5+ exf5 20. 0-0 a6 21. Be2 Rhc8 22. Rfb1 R8c7 23. a4 Rc2 24. Bd1 Rd2 25. Bb3 Rc3 26. Ra2 Rxb3 27. Rxd2 Rxb1+ 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.20"]
[Round "2"]
[White "Gomez Leon, Sebastian"]
[Black "Cordero Gonzalez, Victor William"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1458"]
[BlackElo "1627"]
[PlyCount "76"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Nbd2 Nbd7 6. c3 0-0 7. Bc4 Nb6 8. Bb3 Be6 9. 0-0 Bxb3 10. Qxb3 Qd7 11. Rfe1 Qa4 12. e4 Qxb3 13. axb3 Nh5 14. Be3 d5 15. e5 Bh8 16. g4 Ng7 17. Bh6 Rfe8 18. Re3 f5 19. h3 fxg4 20. hxg4 Ne6 21. Ng5 Nxg5 22. Bxg5 e6 23. Rh3 Nd7 24. Kg2 Rf8 25. Nf3 c5 26. Rah1 Rf7 27. Bh6 cxd4 28. cxd4 Rc8 29. Ng5 Re7 30. Rf3 Bxe5 31. dxe5 Nxe5 32. Re3 Nxg4 33. Rxe6 Rxe6 34. Nxe6 Kf7 35. Nd4 Nxh6 36. Rxh6 Kg7 37. Rh3 Re8 38. Kf3 h6 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.19"]
[Round "1"]
[White "Rojas Castillo, Leibnitz Edison"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1755"]
[BlackElo "1458"]
[PlyCount "120"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bb5 0-0 5. 0-0 d6 6. h3 Bxc3 7. dxc3 Nxe4 8. Re1 Nf6 9. Bg5 Be6 10. Qd2 a6 11. Bd3 Nbd7 12. Rad1 Nc5 13. Be2 Nce4 14. Qe3 Nxg5 15. Nxg5 Nd5 16. Qg3 Nf4 17. Bf3 h6 18. Nxe6 fxe6 19. Rxe5 Qf6 20. Re4 Rf7 21. Rde1 Raf8 22. R1e3 e5 23. Rc4 d5 24. Rc5 e4 25. Bxe4 dxe4 26. Rxe4 Ne6 27. Rce5 Ng5 28. Re2 Qf4 29. Qd3 Qc1+ 30. Re1 Qxb2 31. Qd5 Qxc3 32. R1e2 Qc6 33. Qd4 Qd6 34. Qc4 Kh8 35. Rd5 Qb6 36. Qh4 Rf4 37. Qg3 Ne4 38. Qe3 Qxe3 39. Rxe3 Nd6 40. f3 R4f5 41. Rdd3 Rc5 42. Re2 Rff5 43. Rde3 Kh7 44. Re7 Nb5 45. Kh2 Nd4 46. Rd2 Rfd5 47. c3 Nxf3+ 48. gxf3 Rxd2+ 49. Kg3 Rxa2 50. Re3 Ra3 51. Re7 Raxc3 52. Kf4 R5c4+ 53. Kg3 Kg6 54. h4 Rd3 55. Re5 Rcc3 56. Kg4 Rxf3 57. Re6+ Kf7 58. Re4 Rg3+ 59. Kh5 Rc5+ 60. Re5 Rxe5# 0-1

[Event "COL-ch sf3 U16"]
[Site "Choconta"]
[Date "2018.04.08"]
[Round "6.3"]
[White "Parra Meza, Brayan1111"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1696"]
[BlackElo "1489"]
[PlyCount "27"]
[EventDate "2018.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Qf6 6. Nd5 Qd8 7. Qxe5+ Be7 8. Qxg7 Rf8 9. Qe5 f6 10. Qh5+ Nf7 11. Qe2 Ne5 12. d4 Nec6 13. Qh5+ Rf7 14. Nxf6+ 1-0

[Event "COL-ch sf3 U16"]
[Site "Choconta"]
[Date "2018.04.07"]
[Round "5.3"]
[White "Campos Perilla, Felix Santiago"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1359"]
[BlackElo "1489"]
[PlyCount "37"]
[EventDate "2018.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d3 Bb4 5. Bg5 d6 6. Be2 h6 7. Bh4 Be6 8. a3 Bc5 9. Qd2 Qd7 10. h3 0-0-0 11. 0-0-0 g5 12. Nxg5 Rdg8 13. Nxe6 Qxe6 14. Bxf6 Qxf6 15. Rdf1 Rxg2 16. Nd5 Qg5 17. f4 exf4 18. Bg4+ Kb8 19. Qxg2 1-0

[Event "COL-ch sf3 U16"]
[Site "Choconta"]
[Date "2018.04.07"]
[Round "4.4"]
[White "Gomez Leon, Sebastian"]
[Black "Ramirez Arias, Jacobo"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1489"]
[BlackElo "1406"]
[PlyCount "46"]
[EventDate "2018.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Nbd2 0-0 5. Bd3 d6 6. 0-0 Nbd7 7. b3 Re8 8. Bb2 c5 9. c4 Rb8 10. d5 a6 11. a4 b5 12. axb5 axb5 13. cxb5 Nxd5 14. Bxg7 Kxg7 15. Bc4 Nc3 16. Qc1 Nxb5 17. Ng5 Ne5 18. Bxb5 Rxb5 19. f4 Ng4 20. Qc4 e6 21. Qxb5 Nxe3 22. Rf3 Nf5 23. Qb8 Qf6 1-0

[Event "COL-ch sf3 U16"]
[Site "Choconta"]
[Date "2018.04.06"]
[Round "3.1"]
[White "Corredor Castellanos, Camilo"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D92"]
[WhiteElo "2021"]
[BlackElo "1489"]
[PlyCount "80"]
[EventDate "2018.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. h3 Qb6 7. Qd2 Ne4 8. Nxe4 dxe4 9. c5 Qd8 10. Ne5 Nd7 11. Nc4 0-0 12. e3 Nf6 13. Be2 Nd5 14. Bh2 b6 15. cxb6 axb6 16. 0-0 Be6 17. Rfd1 b5 18. Ne5 Bxe5 19. Bxe5 Nb6 20. b3 f6 21. Bg3 Ra7 22. Qc2 Qd7 23. Rdc1 Bd5 24. Qc5 Qb7 25. Qc2 Rfa8 26. f3 Ra3 27. Qb2 Qa7 28. fxe4 Bxb3 29. Rxc6 Nc4 30. Bxc4+ Bxc4 31. Rc7 Qa6 32. Rxe7 Rxe3 33. Qf2 Re2 34. Qf4 Bf7 35. Qc7 Rf8 36. Bd6 Rxa2 37. Rxa2 Qxa2 38. Rd7 Qc4 39. Bxf8 Qxc7 40. Rxc7 Kxf8 1-0

[Event "COL-ch sf3 U16"]
[Site "Choconta"]
[Date "2018.04.06"]
[Round "2.6"]
[White "Gomez Leon, Sebastian"]
[Black "Campos Perilla, Angie Catalina"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1489"]
[BlackElo "1283"]
[PlyCount "85"]
[EventDate "2018.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 c5 3. b3 Bf5 4. Bb2 Nc6 5. a3 Qb6 6. Ra2 Nf6 7. Bd3 Bxd3 8. Qxd3 Ne4 9. Ne2 e6 10. 0-0 Bd6 11. Nbc3 f5 12. f3 Nf6 13. Nf4 e5 14. Nfxd5 Nxd5 15. Nxd5 e4 16. fxe4 Qd8 17. e5 Be7 18. Nxe7 Qxe7 19. Qxf5 Rf8 20. Qxf8+ Qxf8 21. Rxf8+ Kxf8 22. Ra1 cxd4 23. exd4 Re8 24. Rf1+ Ke7 25. d5 Nd8 26. e6 g6 27. Bf6+ Kd6 28. Bxd8 Rxd8 29. c4 h5 30. Rf7 Rb8 31. Rd7+ Ke5 32. e7 Kf6 33. Rd8 Rxd8 34. exd8Q+ Kf5 35. Qe7 b5 36. c5 a5 37. d6 b4 38. axb4 axb4 39. d7 g5 40. d8Q g4 41. Qdf8+ Kg6 42. Qef6+ Kh7 43. Q6g7# 1-0

[Event "Bogota sf2 U16"]
[Site "Bogota"]
[Date "2018.04.01"]
[Round "6.11"]
[White "Nino, Jesus Camilo"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1397"]
[BlackElo "1484"]
[PlyCount "113"]
[EventDate "2018.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Qe2 d5 6. d3 Nf6 7. Qxe7+ Bxe7 8. Bf4 c6 9. h3 0-0 10. Be2 Re8 11. 0-0 Nbd7 12. Nbd2 Nc5 13. Rfe1 Ne6 14. Be5 Nd7 15. Bh2 Bf6 16. c3 d4 17. Ne4 dxc3 18. Nxf6+ Nxf6 19. bxc3 Nc5 20. Be5 Bf5 21. Rad1 Rad8 22. Bd4 Na4 23. c4 c5 24. Be5 Nd7 25. Bc7 Rc8 26. Ba5 b6 27. Bd2 Nb2 28. Rc1 Nxd3 29. Bxd3 Bxd3 30. a4 Rxe1+ 31. Bxe1 Re8 32. Rd1 Bf5 33. Nh4 Be6 34. f4 Bxc4 35. Nf5 Bb3 36. Rxd7 Rxe1+ 37. Kf2 Re8 38. Rxa7 g6 39. Nd6 Rd8 40. Nxf7 Bxf7 41. a5 bxa5 42. Rxa5 Rc8 43. Ra1 c4 44. Rc1 c3 45. Ke3 Bb3 46. Kd3 c2 47. g4 Ba4 48. f5 Rd8+ 49. Kc3 Rd1 50. Rxc2 Bxc2 51. Kxc2 Rh1 52. Kd3 Rxh3+ 53. Ke4 gxf5+ 54. gxf5 Kf7 55. Kf4 Kf6 56. Kg4 Rh1 57. Kg3 0-1

[Event "Bogota sf2 U16"]
[Site "Bogota"]
[Date "2018.03.31"]
[Round "5.8"]
[White "Gomez Leon, Sebastian"]
[Black "Lopez Ramirez, Daniel Giovanny"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1484"]
[BlackElo "1529"]
[PlyCount "74"]
[EventDate "2018.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 cxd4 5. exd4 Be7 6. Nbd2 Nc6 7. a3 a6 8. Bd3 b5 9. 0-0 h6 10. Bh4 0-0 11. Re1 d6 12. c4 bxc4 13. Nxc4 Bb7 14. Ne3 Nh5 15. Bxe7 Nxe7 16. Bc4 Nf4 17. g3 Nfd5 18. Nxd5 Nxd5 19. Rc1 Qf6 20. Bf1 Rac8 21. Qd3 Ne7 22. Nd2 Nf5 23. Rxc8 Rxc8 24. Ne4 Bxe4 25. Rxe4 d5 26. Re5 Rc4 27. Qb3 Rxd4 28. Qb8+ Kh7 29. Bxa6 Rd1+ 30. Kg2 Nd4 31. Re3 Rd2 32. Qf4 Qxf4 33. gxf4 Rxb2 34. Rd3 Nc2 35. Rc3 g6 36. Bd3 Ne1+ 37. Kg3 d4 0-1

[Event "Bogota sf2 U16"]
[Site "Bogota"]
[Date "2018.03.31"]
[Round "4.6"]
[White "Pinillo Canon, Silvana"]
[Black "Gomez Leon, Sebastian"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1662"]
[BlackElo "1484"]
[PlyCount "80"]
[EventDate "2018.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Be2 d5 6. Nc3 Be6 7. d4 Nxc3 8. bxc3 c6 9. a4 Qc7 10. 0-0 Bd6 11. Re1 0-0 12. h3 Nd7 13. Ng5 Nf6 14. c4 Rae8 15. Ba3 h6 16. Nxe6 fxe6 17. Bd3 Bxa3 18. Rxa3 e5 19. cxd5 cxd5 20. Bb5 Re7 21. dxe5 Rxe5 22. Rae3 Rxe3 23. Rxe3 a6 24. Be2 Rc8 25. c3 Kh8 26. Bf3 Qa5 27. Qb3 b5 28. axb5 Qxb5 29. Qa2 Qc4 30. Qa3 Ne4 31. Be2 Qc5 32. Qxa6 Nxc3 33. Bg4 Rf8 34. Qd3 Ne4 35. Bf3 Qc1+ 36. Qd1 Qxd1+ 37. Bxd1 Nxf2 38. Bf3 Ne4 39. Bxe4 Re8 40. Kf2 dxe4 1/2-1/2

[Event "Bogota sf2 U16"]
[Site "Bogota"]
[Date "2018.03.30"]
[Round "3.12"]
[White "Gomez Leon, Sebastian"]
[Black "Suarez Ferrucho, Juan Jeronimo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1484"]
[PlyCount "79"]
[EventDate "2018.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. Nbd2 Bf5 5. a3 h6 6. c4 e6 7. Qb3 a6 8. Bd3 g6 9. 0-0 Qd6 10. c5 Qd7 11. Ne5 Nxe5 12. dxe5 Ng4 13. Qxb7 Qc8 14. Qc6+ Ke7 15. Bxf5 gxf5 16. Nf3 Bg7 17. Rb1 Bxe5 18. Nxe5 Nxe5 19. Qa4 Qd7 20. Qd4 f6 21. f4 Nc6 22. Qc3 d4 23. exd4 Qxd4+ 24. Qxd4 Nxd4 25. Be3 Ne2+ 26. Kf2 Nxf4 27. Bxf4 e5 28. Bd2 e4 29. Ke3 Rad8 30. Rbd1 Rd3+ 31. Kf4 Ke6 32. Ba5 Rg8 33. Rxd3 Rg4+ 34. Ke3 exd3 35. Rf2 Re4+ 36. Kxd3 Ke5 37. Bxc7+ Kd5 38. Rxf5+ Kc6 39. Kxe4 Kxc7 40. Rxf6 1-0

[Event "Bogota sf2 U16"]
[Site "Bogota"]
[Date "2018.03.29"]
[Round "2.4"]
[White "Diaz, Luisa Fernanda"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1712"]
[BlackElo "1484"]
[PlyCount "65"]
[EventDate "2018.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. c3 d6 6. Bb3 Bd7 7. Nbd2 h6 8. h3 Qe7 9. Bc2 0-0-0 10. b4 Bb6 11. a4 a6 12. Nc4 d5 13. Nxb6+ cxb6 14. Qe2 d4 15. b5 axb5 16. axb5 Na5 17. Ba3 Qe6 18. cxd4 exd4 19. Rc1 Kb8 20. Nxd4 Qe5 21. Qe3 Bxb5 22. Nxb5 Qxb5 23. 0-0 Nc6 24. Rb1 Qa5 25. Ra1 Qc3 26. Rfc1 Qd4 27. Qe2 Nb4 28. Bxb4 Qxb4 29. Ra4 Qc3 30. Rca1 Rc8 31. Qe3 Qc5 32. Qf4+ Qc7 33. Ra8# 1-0

[Event "Bogota sf2 U16"]
[Site "Bogota"]
[Date "2018.03.29"]
[Round "1.19"]
[White "Gomez Leon, Sebastian"]
[Black "Ruiz Orozco, Neider Santiago"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1484"]
[PlyCount "83"]
[EventDate "2018.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 b6 5. Nbd2 Ba6 6. Bxa6 Nxa6 7. 0-0 0-0 8. e4 c5 9. Qe2 Nb4 10. c3 Nc6 11. d5 Na5 12. c4 Qc7 13. Ng5 h6 14. Nh3 h5 15. f4 Ng4 16. Nf3 Bd4+ 17. Nxd4 cxd4 18. b3 f6 19. Bb2 g5 20. Bxd4 gxf4 21. Nxf4 e6 22. dxe6 dxe6 23. h3 e5 24. Ne6 Qd7 25. Nxf8 Qxd4+ 26. Kh1 Nf2+ 27. Qxf2 Qxf2 28. Rxf2 Kxf8 29. Rxf6+ Ke7 30. Raf1 Kd7 31. Rh6 Nc6 32. Rxh5 Re8 33. Rf7+ Re7 34. Rxe7+ Kxe7 35. Rg5 Kf6 36. h4 a6 37. Rf5+ Kg6 38. g4 Nb4 39. Rxe5 Nd3 40. Rf5 Nb4 41. e5 Nxa2 42. e6 1-0

[Event "COL-ch Amateur U1700"]
[Site "Bogota"]
[Date "2018.02.17"]
[Round "4.29"]
[White "Celis Alzate, Cesar Augusto"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1600"]
[BlackElo "1484"]
[PlyCount "63"]
[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. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bg4 5. e3 e6 6. h3 Bh5 7. Bd3 Nbd7 8. 0-0 Bd6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bc2 0-0 13. Bg5 Kh8 14. Be4 Be7 15. Qd3 Nxe4 16. Bxe7 Qxe7 17. Qxe4 Bg6 18. Qe3 h6 19. Rfe1 Rad8 20. Ne5 Bh7 21. Rad1 Qb4 22. b3 Rd6 23. Qf4 f6 24. a3 Qxa3 25. Ra1 Qb4 26. Re3 Rdd8 27. Nd3 Qc3 28. Rxa7 Bxd3 29. Rxb7 Qxd4 30. Qc7 f5 31. Rxe6 Rg8 32. Rxh6+ 1-0

[Event "COL-ch Amateur U1700"]
[Site "Bogota"]
[Date "2018.02.16"]
[Round "3.41"]
[White "Gomez Leon, Sebastian"]
[Black "Sanchez, Luis Alejandro"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1484"]
[PlyCount "15"]
[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. d4 f5 2. Bf4 Nf6 3. e3 e6 4. Nd2 b6 5. Ngf3 Bb7 6. Be2 Be7 7. c3 0-0 8. 0-0 0-1

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.17"]
[Round "6.27"]
[White "Gomez Leon, Sebastian"]
[Black "Torres, Carlos Fernando"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1494"]
[PlyCount "102"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Qb6 5. b3 Bg4 6. c3 e6 7. Be2 Nf6 8. h3 Bh5 9. 0-0 Ne4 10. Nfd2 Bg6 11. Nxe4 Bxe4 12. Nd2 Bg6 13. Nf3 cxd4 14. exd4 Ba3 15. Bc1 Bd6 16. Bb2 Rc8 17. c4 dxc4 18. Bxc4 0-0 19. Ne5 Rfd8 20. Nxg6 hxg6 21. Qg4 Ne7 22. Rfe1 Rxc4 23. bxc4 Qxb2 24. Reb1 Qc3 25. c5 Bc7 26. Qe4 Nc6 27. Rd1 Rxd4 28. Qb1 Rb4 29. Qc1 Qe5 30. g3 Nd4 31. Qe3 Qxe3 32. fxe3 Nc2 33. Rab1 Rxb1 34. Rxb1 b6 35. c6 Nxe3 36. Kf2 Nd5 37. Rb3 Kf8 38. h4 Ke7 39. Rb1 Kd6 40. Rc1 f5 41. Kf3 e5 42. g4 e4+ 43. Kg3 f4+ 44. Kf2 Nb4 45. Rc4 Nd3+ 46. Ke2 Kd5 47. Ra4 a5 48. Ra3 b5 49. Rc3 b4 50. Rc2 f3+ 51. Kf1 e3 0-1

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.17"]
[Round "7.34"]
[White "Mesa Caceres, Anselmo"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1600"]
[BlackElo "1494"]
[PlyCount "62"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Nf3 Bg4 4. Be2 e6 5. c3 Nbd7 6. Nbd2 Bd6 7. h3 Bf5 8. 0-0 c5 9. Bb5 0-0 10. Bxd7 Qxd7 11. dxc5 Bxc5 12. Nd4 Bg6 13. N2f3 Rac8 14. Ne5 Qd6 15. Nxg6 fxg6 16. a4 a6 17. Bd2 Bb6 18. Be1 Bc7 19. f4 Ne4 20. Qg4 Rce8 21. h4 e5 22. Ne2 Qb6 23. Bf2 Rf7 24. b4 Ref8 25. a5 Qa7 26. Qe6 exf4 27. exf4 Nxf2 28. Rxf2 b6 29. Qxd5 b5 30. g3 Kh8 31. Kg2 Rf6 0-1

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.16"]
[Round "4.34"]
[White "Gomez Leon, Sebastian"]
[Black "Pita, Diego Alberto"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1494"]
[PlyCount "75"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[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. Nf3 Bd6 4. Bg3 Bxg3 5. hxg3 Nf6 6. e3 0-0 7. Nbd2 Re8 8. Bd3 g6 9. Ne5 Nc6 10. Ndf3 Nd7 11. c3 Ncxe5 12. dxe5 a6 13. Qc2 Nc5 14. 0-0-0 Nxd3+ 15. Qxd3 b6 16. Rh2 Bb7 17. Rdh1 h5 18. g4 a5 19. Nh4 Qg5 20. gxh5 Ba6 21. Qc2 d4 22. cxd4 gxh5 23. Nf3 Qg6 24. Rxh5 Qxc2+ 25. Kxc2 Kf8 26. Rh7 Ke7 27. Ng5 Rf8 28. R1h6 Bc4 29. Rf6 Kd7 30. Nxf7 Kc6 31. Ng5 Rxf6 32. exf6 e5 33. dxe5 a4 34. e6 Bxa2 35. f7 Bxe6 36. Nxe6 Kd5 37. f8Q Ra5 38. Rh5+ 1-0

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.16"]
[Round "5.21"]
[White "Lizarazo, Juan Carlos"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2000"]
[BlackElo "1494"]
[PlyCount "57"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Nc3 Bg4 4. Ne5 e6 5. Qd3 c6 6. Nxg4 Nxg4 7. e4 dxe4 8. Nxe4 Nf6 9. Bd2 Nxe4 10. Qxe4 Nd7 11. 0-0-0 Nf6 12. Qh4 Be7 13. Kb1 Nd5 14. Qh3 0-0 15. f4 Bf6 16. c3 Qd6 17. Bd3 g6 18. Rhf1 c5 19. dxc5 Qxc5 20. g4 Rfe8 21. f5 exf5 22. gxf5 Rad8 23. fxg6 fxg6 24. Qg4 Bg7 25. Bg5 Rc8 26. Rc1 Bxc3 27. bxc3 Nxc3+ 28. Ka1 Qa3 29. Bc4+ 1-0

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.15"]
[Round "3.19"]
[White "Guerrero, Hernando"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1900"]
[BlackElo "1494"]
[PlyCount "68"]
[EventDate "2017.12.14"]
[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 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bc5 5. d3 d6 6. 0-0 0-0 7. Be3 Bxe3 8. fxe3 d5 9. Nxd5 Nxd5 10. exd5 Qxd5 11. Bxc6 Qxc6 12. Nxe5 Qc5 13. d4 Qd5 14. c4 Qd8 15. d5 c5 16. dxc6 Qxd1 17. Raxd1 bxc6 18. Nxc6 Kh8 19. Ne7 Be6 20. b3 f5 21. Rd6 Bc8 22. Nxc8 Raxc8 23. a4 a6 24. Rc1 Rc7 25. c5 Rfc8 26. Rd5 a5 27. b4 axb4 28. Rxf5 g6 29. Rd5 b3 30. h3 b2 31. Rb1 Rxc5 32. Rxc5 Rxc5 33. h4 Rc1+ 34. Rxc1 bxc1Q+ 1-0

[Event "COL-ch Amateur U1700"]
[Site "Bogota"]
[Date "2017.03.04"]
[Round "4"]
[White "Moreno, Jorge Augusto"]
[Black "Gomez Leon, Sebastian"]
[Result "0-1"]
[ECO "D03"]
[BlackElo "1397"]
[PlyCount "100"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 c5 5. c3 c4 6. Nbd2 Bd6 7. e4 Be7 8. Bxf6 Bxf6 9. exd5 exd5 10. Qe2+ Be6 11. g3 0-0 12. Bg2 Re8 13. Ne5 Bf5 14. 0-0-0 Qa5 15. a3 Bd3 16. Nexc4 Bxe2 17. Nxa5 Bxd1 18. Kxd1 Na6 19. Bxd5 Re7 20. Bxb7 Rxb7 21. Nxb7 Rb8 22. Re1 Nc7 23. Nd6 Rxb2 24. Ne8 Ne6 25. d5 Bxc3 26. dxe6 Rxd2+ 27. Kc1 Rd8 28. Nc7 Bxe1 29. e7 Rc8 30. e8Q+ Rxe8 31. Nxe8 Bxf2 32. Kc2 Bg1 33. h3 Bh2 34. Nc7 Bxg3 35. Nb5 Bf2 36. Kd3 f5 37. Kc4 Kf7 38. Kd5 Kf6 39. Nd6 Kg5 40. Ne8 g6 41. Ng7 Kf4 42. Ne6+ Kg3 43. Ke5 Kxh3 44. Ng5+ Kg4 45. Nxh7 f4 46. Kf6 Bc5 47. Kxg6 f3 48. Nf6+ Kg3 49. Ne4+ Kg2 50. Nxc5 f2 0-1

[Event "COL-ch Amateur U1700"]
[Site "Bogota"]
[Date "2017.03.03"]
[Round "3"]
[White "Gomez Leon, Sebastian"]
[Black "Munoz, Rafael Antonio"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1397"]
[BlackElo "1610"]
[PlyCount "28"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Bd3 d6 6. Nbd2 Nc6 7. c3 Re8 8. Qc2 e5 9. Bg5 exd4 10. Nxd4 Ne5 11. 0-0 Nxd3 12. Qxd3 a6 13. f4 c5 14. N4f3 b5 1-0

[Event "South America-ch U14 13th"]
[Site "Santiago de Chile"]
[Date "2016.12.04"]
[Round "5"]
[White "Gomez Leon, Sebastian"]
[Black "Zandonai Ignacio, Antonio Carlos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1452"]
[BlackElo "1809"]
[PlyCount "38"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. h3 0-0 5. e3 d6 6. Bc4 b6 7. 0-0 Bb7 8. Nbd2 Nbd7 9. Re1 Ne4 10. Nxe4 Bxe4 11. Qd2 c5 12. Ng5 Bb7 13. Rad1 h6 14. Nf3 Kh7 15. c3 Nf6 16. d5 b5 17. Bxb5 Nxd5 18. Qd3 e6 19. e4 Nxf4 0-1

[Event "South America-ch U14 13th"]
[Site "Santiago de Chile"]
[Date "2016.12.02"]
[Round "3"]
[White "Taira, Erick Hideki"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1725"]
[BlackElo "1452"]
[PlyCount "97"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 c4 6. b3 b5 7. a4 Qa5 8. Bb2 Nf6 9. Qc2 Bd6 10. axb5 Qxb5 11. bxc4 dxc4 12. Na3 Bxa3 13. Bxa3 Bf5 14. Qb2 Qxb2 15. Bxb2 Be6 16. Ne5 0-0 17. Bxc4 Bxc4 18. Nxc4 Re8+ 19. Ne3 Nd5 20. 0-0 Nxe3 21. Rfe1 Nc6 22. fxe3 Rab8 23. Rab1 Na5 24. Ba3 Nc4 25. Bc5 a5 26. e4 Rxb1 27. Rxb1 Nd2 28. Ra1 Nxe4 29. Rxa5 Nxc3 30. Bb6 Nd1 31. h3 Ne3 32. Rc5 f6 33. d5 Kf7 34. Rc7+ Kg8 35. d6 Nd5 36. d7 Nxc7 37. Bxc7 Re1+ 38. Kf2 Rd1 39. d8Q+ Rxd8 40. Bxd8 Kf7 41. Kg3 Kg6 42. Kf4 h6 43. g3 h5 44. h4 Kf7 45. Kf5 g6+ 46. Ke4 f5+ 47. Kf4 Ke6 48. Kg5 Ke5 49. Bf6+ 1-0

[Event "South America-ch U14 13th"]
[Site "Santiago de Chile"]
[Date "2016.12.01"]
[Round "1"]
[White "Suarez, Pedro Martin"]
[Black "Gomez Leon, Sebastian"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1903"]
[BlackElo "1452"]
[PlyCount "73"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Bd3 Bxd3 7. Qxd3 Bb4 8. 0-0 Bxc3 9. bxc3 0-0 10. Rb1 Qc7 11. Ba3 Re8 12. Rfe1 Nbd7 13. Nd2 Ng4 14. g3 f5 15. f3 Ngf6 16. cxd5 cxd5 17. c4 Rac8 18. cxd5 exd5 19. Rec1 Qa5 20. Rxb7 Rxc1+ 21. Bxc1 Qxa2 22. Rb2 Qa4 23. Nb3 Rc8 24. Qxf5 Rxc1+ 25. Nxc1 Qd1+ 26. Kg2 Qxc1 27. Qe6+ Kf8 28. Ra2 Qc7 29. Qa6 Nb6 30. Qxa7 Qxa7 31. Rxa7 Nc4 32. Kf2 Nd6 33. Ke2 Nfe8 34. Kd3 Nb5 35. Ra5 Nbd6 36. e4 Nc7 37. exd5 1-0

[Event "COL-ch sf2 U18 m"]
[Site "Bogota"]
[Date "2016.05.19"]
[Round "1.6"]
[White "Gomez Leon, Sebastian"]
[Black "Ribero, Guillermo Andres"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1456"]
[BlackElo "1837"]
[PlyCount "56"]
[EventDate "2016.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. f3 Bg7 6. g4 a6 7. h4 h5 8. g5 Nfd7 9. Nge2 b5 10. Ng3 Qa5 11. Bd2 b4 12. Nce2 Bxb2 13. Rb1 Qxa2 14. Nc1 Qxb1 15. f4 a5 16. f5 a4 17. fxg6 fxg6 18. Bd3 0-0 19. c3 Qa1 20. Nxh5 Ne5 21. Nf4 Bxc1 22. Bxc1 Rxf4 23. Bxf4 Nxd3+ 24. Kd2 Qxc3+ 25. Ke2 Nxf4+ 26. Kf1 Qd3+ 27. Qxd3 Nxd3 28. Ke2 Ne5 0-1

