[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.11"]
[Round "7"]
[White "Sanchez Mesa, Sebastian"]
[Black "Montano Martinez, Laura Tatiana"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1411"]
[PlyCount "43"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Nxd4 7. Nxd4 d6 8. Nc3 Bxd4 9. Qxd4 0-0 10. 0-0 h6 11. Bf4 Re8 12. Rfe1 Be6 13. Bb5 Re7 14. Re3 a6 15. Ba4 b5 16. Bc2 Rd7 17. Rg3 c5 18. Qd2 Rc8 19. Bxh6 Ng4 20. h3 Nxh6 21. Qxh6 b4 22. Qxg7# 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.10"]
[Round "5"]
[White "Hernandez Romero, Santiago Gabriel"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1502"]
[BlackElo "1411"]
[PlyCount "37"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 Nxc6 8. Bc4 Nd5 9. Nxf7 Kxf7 10. Qf3+ Ke8 11. Bxd5 Qf6 12. Qxf6 gxf6 13. 0-0 Nb4 14. Bb3 Bf5 15. d3 Rc8 16. Nc3 h5 17. Re1 Be7 18. f4 Bc5+ 19. Kf1 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.10"]
[Round "4"]
[White "Sanchez Mesa, Sebastian"]
[Black "Pena, Luis Orlando"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1411"]
[BlackElo "1507"]
[PlyCount "97"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. dxc3 d6 6. Bd3 h6 7. h3 Be6 8. 0-0 Nbd7 9. Re1 Qe7 10. Be3 g5 11. b4 g4 12. hxg4 Bxg4 13. Be2 Bxf3 14. Bxf3 Qe6 15. Bh5 Nxe4 16. Qf3 d5 17. Bxf7+ Qxf7 18. Qh3 a6 19. f3 Nxc3 20. Bd4 Nb5 21. Bxe5 Nxe5 22. Rxe5+ Kd8 23. Rae1 Nd6 24. Re7 Qf5 25. Qh4 Qg5 26. Qh3 Qxe7 27. Rxe7 Kxe7 28. Qh4+ Kd7 29. f4 Raf8 30. Qg4+ Kc6 31. Qg7 h5 32. Qc3+ Kd7 33. Qg7+ Kc6 34. Qc3+ Kd7 35. Qg7+ Kc8 36. Qe5 h4 37. Qxd5 Rxf4 38. Qe5 Rhf8 39. Qh5 b5 40. Qd5 R8f5 41. Qe6+ Kb7 42. Qe2 Rg5 43. Qe3 Rfg4 44. Qf3+ Ne4 45. Qf7 Rxg2+ 46. Kh1 R2g4 47. Qf2 Rg1+ 48. Qxg1 Rxg1+ 49. Kxg1 0-1

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.09"]
[Round "2"]
[White "Acosta Nunez, Miguel Antonio"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1741"]
[BlackElo "1411"]
[PlyCount "70"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Nf6 4. d3 Be7 5. 0-0 d6 6. h3 0-0 7. c3 Be6 8. Bxe6 fxe6 9. Qb3 d5 10. Qxb7 Qd7 11. Re1 Rab8 12. Qa6 Bd6 13. b4 Nh5 14. Be3 Nf4 15. Kh2 Be7 16. Nbd2 d4 17. Bxf4 exf4 18. cxd4 Bxb4 19. Re2 Bc3 20. Rc1 Nxd4 21. Nxd4 Bxd4 22. Nf3 Bb6 23. a4 Qd6 24. a5 Qa3 25. Qc4 Qxa5 26. Qxe6+ Kh8 27. Ne5 Rf6 28. Qe7 Rbf8 29. Nc4 Qa6 30. f3 R6f7 31. Qg5 Bd4 32. Qh5 Bf6 33. e5 Bd8 34. e6 Re7 35. Qe5 Ree8 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.09"]
[Round "3"]
[White "Sanchez Mesa, Sebastian"]
[Black "Penagos, Esneider"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1411"]
[BlackElo "1599"]
[PlyCount "10"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 h6 4. Nc3 Nf6 5. h3 Nh5 0-1

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.08"]
[Round "1"]
[White "Sanchez Mesa, Sebastian"]
[Black "Reyes, Riscanevo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1411"]
[BlackElo "1769"]
[PlyCount "102"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nc6 7. Be3 Ng4 8. Nxc6 Nxe3 9. Nxd8 Nxd1 10. Rxd1 Kxd8 11. 0-0 e5 12. Nd5 Be6 13. Bc4 b5 14. Bb3 a5 15. a4 Rb8 16. Rb1 bxa4 17. Ba2 Be7 18. Nxe7 Kxe7 19. Bxe6 Kxe6 20. Ra1 Rxb2 21. Rxa4 Rxc2 22. Rxa5 Rd2 23. h3 Rb8 24. Ra3 Rb4 25. Re3 g6 26. Rc1 Rbb2 27. Rf3 f5 28. exf5+ gxf5 29. Rc8 Rb1+ 30. Kh2 f4 31. g3 fxg3+ 32. Kxg3 Rg1+ 33. Kh4 Rd4+ 34. Kh5 Rg2 35. Rc7 Rh2 36. Rxh7 Rf4 37. Rxf4 exf4 38. Kg4 Rxf2 39. Rh6+ Ke5 40. Rh5+ Ke4 41. Ra5 d5 42. Ra4+ d4 43. h4 Ke3 44. h5 Rg2+ 45. Kh3 f3 46. h6 Rg1 47. Kh2 f2 48. Ra3+ d3 49. h7 f1Q 50. Ra2 Rh1+ 51. Kg3 Qf3# 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.09.01"]
[Round "7"]
[White "Sanchez Mesa, Sebastian"]
[Black "Pinilla, Diego Alexander"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1243"]
[BlackElo "1698"]
[PlyCount "50"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. Nc3 Qh5 5. Be2 Bg4 6. d3 Nc6 7. h3 0-0-0 8. 0-0 e5 9. Nh2 Bxe2 10. Nxe2 g5 11. g4 Qxh3 12. Ng3 h5 13. gxh5 g4 14. Bg5 Bc5 15. Bxf6 Qxg3+ 16. Kh1 Bxf2 17. Qxg4+ Qxg4 18. Nxg4 Rxh5+ 19. Nh2 Bg3 20. Bxd8 Rxh2+ 21. Kg1 Nd4 22. Rxf7 Ne2+ 23. Kf1 Kxd8 24. Rd1 Nf4 25. Rg7 Rh1# 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.31"]
[Round "6"]
[White "Pinzon Rivera, Samuel Alejandro"]
[Black "Sanchez Mesa, Sebastian"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1393"]
[BlackElo "1243"]
[PlyCount "62"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Qe2 Nxc3 6. dxc3 d5 7. Bb5 e4 8. Nd4 Bd7 9. 0-0 Bd6 10. f4 0-0 11. c4 Nxd4 12. Qh5 Nxb5 13. cxb5 Bxb5 14. Qxd5 Bxf1 15. Kxf1 Re8 16. Qxb7 e3 17. Qf3 Bc5 18. Ke2 Rb8 19. b3 Qf6 20. Rb1 Qa6+ 21. c4 Qxa2+ 22. Rb2 Qa1 23. Rc2 Rxb3 24. Qc6 Rbb8 25. Qxc5 Qf6 26. Bxe3 Qxf4 27. Kd3 Rb3+ 28. Kd2 Rbxe3 29. Qxa7 Qf2+ 30. Kc1 Re1+ 31. Kb2 Qxa7 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.31"]
[Round "5"]
[White "Sanchez Mesa, Sebastian"]
[Black "Acosta, Jaime"]
[Result "1/2-1/2"]
[ECO "C53"]
[WhiteElo "1243"]
[BlackElo "1570"]
[PlyCount "88"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. h3 Nf6 6. d4 exd4 7. cxd4 Bb4+ 8. Nc3 0-0 9. Bg5 Bxc3+ 10. bxc3 h6 11. Bh4 g5 12. Bg3 Nxe4 13. Qd3 Bf5 14. Qd1 Nxg3 15. fxg3 Re8+ 16. Be2 Qe7 17. d5 Na5 18. Nd4 Bg6 19. 0-0 Qe3+ 20. Kh2 b6 21. Rf3 Qe5 22. Bd3 Bh5 23. Qc2 Bxf3 24. Nxf3 Qg7 25. Rf1 Re7 26. Nd4 Re5 27. Nf5 Rxf5 28. Rxf5 Re8 29. Rf3 Re7 30. h4 Re5 31. h5 Nb7 32. Qf2 Nc5 33. Bc2 a5 34. c4 g4 35. Rf5 f6 36. Rxe5 dxe5 37. Qf5 e4 38. Qc8+ Qf8 39. Qxg4+ Kh8 40. Qf4 Qg7 41. Qf5 Qe7 42. Qc8+ Kg7 43. Qg4+ Kh8 44. Qc8+ Kg7 1/2-1/2

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.30"]
[Round "4"]
[White "Mesa Baez, Samuel"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "1703"]
[BlackElo "1243"]
[PlyCount "59"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Be7 6. 0-0 0-0 7. c3 d5 8. exd5 Nxd5 9. h3 b5 10. Bb3 Bb7 11. Qe2 Bf6 12. Be3 Re8 13. Nbd2 Nf4 14. Bxf4 exf4 15. Ne4 Ne5 16. Rad1 c5 17. Rfe1 Bxe4 18. Qxe4 Nxf3+ 19. Qxf3 Qd6 20. Qb7 Rf8 21. Bxf7+ Kh8 22. Re6 Qd8 23. Rde1 Rb8 24. Qc6 Rb6 25. Qxb6 Qxb6 26. Rxb6 h6 27. Re8 Rxe8 28. Bxe8 Bd8 29. Rb8 Bc7 30. Rc8 1-0

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.29"]
[Round "3"]
[White "Sanchez Mesa, Sebastian"]
[Black "Cardona, Jacobo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1243"]
[BlackElo "1445"]
[PlyCount "109"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. f3 d5 8. Bd2 Bxc3 9. Bxc3 dxe4 10. Qxd8+ Kxd8 11. Nc5 exf3 12. 0-0-0+ Kc7 13. gxf3 Nd7 14. Ne4 Nb6 15. Nd6 Be6 16. Nb5+ Kb8 17. b3 a6 18. Nd6 Kc7 19. Bd3 Kxd6 20. Be4+ Ke7 21. Bxc6 bxc6 22. Bxe5 Rad8 23. Bc7 Rxd1+ 24. Rxd1 Nd5 25. Be5 f6 26. Bb2 Rd8 27. Ba3+ Ke8 28. Re1 Kf7 29. Rd1 Rd7 30. Kb2 Nf4 31. Re1 Rd2 32. Kc3 Rxh2 33. Bd6 Nd5+ 34. Kb2 Bf5 35. Bxh2 Nb4 36. Re3 Nxc2 37. Rc3 Nd4 38. Bg1 Ne2 39. Rc5 Nxg1 40. Rxf5 Ke6 41. Rc5 Kd6 42. Rf5 Ne2 43. Rh5 h6 44. Rh2 Nf4 45. Rh4 Ke5 46. Kc3 h5 47. Rh1 g5 48. Kc4 f5 49. Re1+ Kf6 50. Kd4 g4 51. fxg4 fxg4 52. Rf1 Kg5 53. Ke3 g3 54. Rxf4 g2 55. Rf8 1-0

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.28"]
[Round "1"]
[White "Reyes Aristizabal, Andres"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1641"]
[BlackElo "1243"]
[PlyCount "25"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 d5 3. Bd3 Bg4 4. Nf3 Nbd7 5. c3 e5 6. dxe5 Nxe5 7. Qa4+ Bd7 8. Bb5 Nxf3+ 9. gxf3 c6 10. Be2 Bd6 11. Nd2 0-0 12. Nf1 Bh3 13. Ng3 1-0

[Event "Bogota Univ Central op-B 5th"]
[Site "Bogota"]
[Date "2011.10.14"]
[Round "2.31"]
[White "Sanchez Mesa, Sebastian"]
[Black "Rivera, Johan Fernando"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1205"]
[PlyCount "40"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 d4 7. Ne2 Nc6 8. Bg5 Be7 9. 0-0 0-0 10. c3 Ng4 11. cxd4 Nxd4 12. Nexd4 exd4 13. Bxe7 Qxe7 14. Nxd4 Qd6 15. Nf3 Rae8 16. Re1 c5 17. Ng5 Qxh2+ 18. Kf1 Qh1+ 19. Ke2 Qxg2 20. Rg1 Qxf2# 0-1

[Event "Bogota Univ Central op-B 5th"]
[Site "Bogota"]
[Date "2011.10.13"]
[Round "1.13"]
[White "Gutierrez Pena, Cristian Leonard"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1614"]
[BlackElo "1205"]
[PlyCount "24"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bc4 Nf6 7. Nc3 0-0 8. 0-0 d6 9. Bg5 Bg4 10. Bxf6 Qxf6 11. Qxg4 Bd4 12. Qd7 Be5 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Sanchez Mesa, Sebastian"]
[Black "Melendez, Jesus"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "53"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Be7 4. Bc4 Nf6 5. d3 0-0 6. Be3 d6 7. Qd2 Be6 8. Bxe6 fxe6 9. 0-0-0 Qd7 10. Qe2 d5 11. d4 exd4 12. Nxd4 Nxe4 13. Nxe4 dxe4 14. Nxc6 Qxc6 15. Qg4 e5 16. Bh6 Qxh6+ 17. Kb1 Rf4 18. Qg3 Qg5 19. Qb3+ Kf8 20. Qxb7 Re8 21. Qxc7 Rxf2 22. h4 Qf4 23. Qxa7 Rxg2 24. Rhf1 Rf2 25. Rxf2 g5 26. Rxf4+ gxf4 27. h5 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Renteria Campo, Samuel"]
[Black "Sanchez Mesa, Sebastian"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "66"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 e5 2. Nxe5 Bd6 3. d4 Nf6 4. Nc3 Nc6 5. Nb5 Bb4+ 6. c3 Ba5 7. Bf4 d6 8. Nxc6 bxc6 9. b4 Bb6 10. Na3 Bg4 11. f3 Bh5 12. e4 Nxe4 13. Bd3 Nxc3 14. Qb3 Qh4+ 15. Bg3 Qe7+ 16. Kd2 Bxd4 17. Qc4 Qe3+ 18. Kc2 0-0 19. Rae1 Qg5 20. f4 Qg4 21. Qxd4 Nxa2 22. Re2 Rab8 23. Kb2 Nxb4 24. Rhe1 c5 25. Qe3 Nd5+ 26. Bb5 Nxe3 27. Rxe3 Qd7 28. Bh4 a6 29. Be7 Rfe8 30. Kc2 axb5 31. g4 Bxg4 32. Rg3 Qf5+ 33. Kb3 c4+ 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Sanchez Mesa, Sebastian"]
[Black "Gomez, Facundo Tomas"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "60"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Nc3 Nf6 4. Nf3 g6 5. d3 Bg7 6. Bg5 0-0 7. Qd2 Re8 8. 0-0 Nc6 9. Bb5 Bd7 10. Rae1 a6 11. Ba4 b5 12. Bb3 Qc7 13. Qf4 Na5 14. Bh6 Bh8 15. Bd5 Bc6 16. Bxf7+ Kxf7 17. Ng5+ Kg8 18. Ne6 Qd7 19. Ng5 Qg4 20. Qxg4 Nxg4 21. Ne6 Rac8 22. Bf4 Bd7 23. f3 Bxe6 24. fxg4 Bxg4 25. Re3 Bd4 26. h3 Bxe3+ 27. Bxe3 Bd7 28. Nd5 Rf8 29. Nxe7+ Kg7 30. Re1 g5 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Hernandez, Julian Steeven"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "54"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 Bg4 7. h3 h6 8. hxg4 Qd7 9. Qd2 Qxg4 10. Rh2 0-0-0 11. Bxf7 Bb4 12. a3 Ba5 13. 0-0-0 Rdf8 14. Bb3 Nd7 15. Be3 Kb8 16. Kb1 Nb4 17. axb4 Bxb4 18. d4 exd4 19. Qxd4 Bc5 20. Qd3 Bb4 21. Qd4 Bc5 22. Qd3 Bb4 23. Na2 Ba5 24. Qb5 b6 25. Nb4 Qxe4 26. Nc6+ Ka8 27. Nxa5 Rb8 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Sanchez Mesa, Sebastian"]
[Black "Chalapud, Johan Esteban"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "22"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Bg5 Bg4 6. Bxd8 Rxd8 7. Nc3 Nf6 8. 0-0 0-0 9. Qe2 Nd4 10. Qd2 Nxf3+ 11. gxf3 Bxf3 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Cotes Ontibon, Juan Sebastian"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "60"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 Nf6 6. e5 Nxe5 7. Nxe5 0-0 8. Bg5 d6 9. Nf3 Bg4 10. h3 h6 11. Re1 Bb4 12. Re2 Bxf3 13. gxf3 c5 14. a3 Ba5 15. b4 Bb6 16. Qe1 d5 17. Bd3 c4 18. Bf5 a5 19. b5 a4 20. Re5 Ba5 21. Qd1 Qd6 22. Bxf6 Qxf6 23. Rxd5 Bb6 24. f4 Qh4 25. Qf3 Ra5 26. c3 d3 27. Nd2 Rc8 28. Re1 Bxf2+ 29. Qxf2 Qxf2+ 30. Kxf2 b6 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Sanchez Mesa, Sebastian"]
[Black "Marulanda Leon, Juan David"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "53"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Be7 5. 0-0 0-0 6. d3 d6 7. Bg5 Be6 8. Bxe6 fxe6 9. Nh4 Nh5 10. Be3 Bxh4 11. Qxh5 h6 12. Qg6 Qf6 13. Qxf6 Rxf6 14. Rae1 Nb4 15. Rc1 d5 16. exd5 exd5 17. Nxd5 Nxd5 18. Bc5 b6 19. Rfe1 Re6 20. Ba3 a5 21. b3 b5 22. Bb2 Nb4 23. Rxe5 Rxe5 24. Bxe5 Nxc2 25. Bxc7 Rc8 26. Bxa5 b4 27. Rd1 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Sanchez Mesa, Sebastian"]
[Black "Maravi Ceron, Jhon"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "86"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Bc4 Bc5 3. Nf3 d5 4. exd5 exd5 5. Bb3 Ne7 6. 0-0 0-0 7. Nc3 Bg4 8. d3 d4 9. Ne4 Bb6 10. Bg5 h6 11. Bf6 g6 12. h3 Bc8 13. Qd2 Kh7 14. Nfg5+ Kg8 15. Qf4 Nd5 16. Bxd5 Qxd5 17. Qh4 h5 18. c4 dxc3 19. bxc3 Qc6 20. Qf4 Nd7 21. Be7 Qd5 22. Nf6+ Nxf6 23. Qxf6 Re8 24. Rfe1 Qf5 25. Qxf5 Bxf5 26. d4 Rac8 27. d5 Bd3 28. Kh1 Bb5 29. Rad1 Bxf2 30. Re5 Bh4 31. Rd4 Bxg5 32. Rxg5 Rxe7 33. Rd1 Bc4 34. a3 Rd7 35. a4 Rcd8 36. Re1 Bxd5 37. Rge5 Kg7 38. h4 Bb3 39. a5 Rd3 40. Rc5 c6 41. Re7 Bd5 42. Rxb7 Rd2 43. Kg1 Re8 0-1

[Event "Central Region-ch U08"]
[Site "Duitama"]
[Date "2011.04.30"]
[Round "5.2"]
[White "Sanchez Mesa, Sebastian"]
[Black "Castiblanco, Miguel Angel"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1369"]
[PlyCount "88"]
[EventDate "2011.04.28"]
[EventType "tourn"]
[EventRounds "5"]
[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. Nf3 Nc6 4. Nc3 Bb4 5. 0-0 0-0 6. d3 h6 7. Nh4 Bxc3 8. bxc3 d6 9. Ng6 Re8 10. Qf3 Na5 11. Bb5 c6 12. Ba4 fxg6 13. d4 exd4 14. cxd4 Rxe4 15. Bb3+ Nxb3 16. Qxb3+ d5 17. f3 Rxd4 18. Bb2 Rc4 19. Ba3 Qc7 20. Kh1 Qb6 21. Rab1 Rb8 22. Bd6 Ra8 23. Qe3 Qd8 24. Be7 Qe8 25. Rfe1 Rxc2 26. Qa3 Nd7 27. Bd6 Re2 28. Rxe2 Qxe2 29. Bg3 Nb6 30. Bd6 Nc4 31. Qb4 Nxd6 32. Qxd6 Bf5 33. Rg1 Qxa2 34. Qe7 Qb2 35. Qe1 Qd4 36. Rf1 Bd3 37. Rf2 Rf8 38. Qe6+ Rf7 39. Qc8+ Rf8 40. Qe6+ Kh7 41. Ra2 Bc4 42. Rf2 Qd1+ 43. Qe1 Qxe1+ 44. Rf1 Qxf1# 0-1

[Event "Central Region-ch U08"]
[Site "Duitama"]
[Date "2011.04.28"]
[Round "1.1"]
[White "Rojas Castillo, Leibnitz Edison"]
[Black "Sanchez Mesa, Sebastian"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1363"]
[PlyCount "7"]
[EventDate "2011.04.28"]
[EventType "tourn"]
[EventRounds "5"]
[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. Nc3 Bc5 4. Bc4 1-0

[Event "Central Region-ch U08"]
[Site "Duitama"]
[Date "2011.04.28"]
[Round "2.1"]
[White "Sanchez Mesa, Sebastian"]
[Black "Hernandez, Julian Steeven"]
[Result "0-1"]
[ECO "C20"]
[BlackElo "1324"]
[PlyCount "38"]
[EventDate "2011.04.28"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Qh5 g6 4. Qf3 Nf6 5. Qg3 Nxe4 6. Qf3 Nf6 7. Ne2 d5 8. Bb5 Bd7 9. 0-0 a6 10. Ba4 Qe7 11. d3 0-0-0 12. Bg5 Bg7 13. Nbc3 Be6 14. Rad1 h6 15. Bh4 d4 16. Bxc6 bxc6 17. Na4 Bd5 18. Qg3 g5 19. Nb6+ cxb6 0-1

