[Event "Frontera online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.03"]
[Round "7"]
[White "Martinez Piedrahita, Santiago"]
[Black "Sander, Marcos"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1917"]
[BlackElo "1527"]
[PlyCount "72"]
[EventDate "2020.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 e6 7. e3 Bd6 8. Bxd6 Qxd6 9. Bd3 0-0 10. 0-0 a6 11. Qc2 h6 12. Rac1 Nb4 13. Qd2 Nxd3 14. Qxd3 Qb4 15. Qc2 b5 16. a3 Qe7 17. Rfd1 Bb7 18. h3 Rac8 19. Qd2 Rc7 20. Ne1 Rfc8 21. Nd3 Nd7 22. Rc2 Nb6 23. Rdc1 Nc4 24. Qe2 Nxa3 25. Nxd5 Bxd5 26. bxa3 Rxc2 27. Rxc2 Rxc2 28. Qxc2 Qxa3 29. Qc8+ Kh7 30. Qc2 Be4 31. Qb2 Qxd3 32. Qa1 b4 33. Qe1 b3 34. Qb4 Qb5 35. Qe1 b2 36. f3 Bg6 0-1

[Event "Frontera online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.31"]
[Round "6"]
[White "Leon Barreto, Rafael"]
[Black "Martinez Piedrahita, Santiago"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1785"]
[BlackElo "1917"]
[PlyCount "69"]
[EventDate "2020.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 a6 4. Bg2 e6 5. d3 g6 6. f4 Bg7 7. Nf3 Nge7 8. 0-0 0-0 9. Be3 b6 10. Rb1 Bb7 11. Ne2 d5 12. c3 Re8 13. Qc2 Rc8 14. Rbd1 Qc7 15. g4 f5 16. h3 fxe4 17. dxe4 dxe4 18. Ng5 Nd5 19. Qc1 Nxe3 20. Qxe3 Na7 21. Bxe4 Nb5 22. Bxb7 Qxb7 23. Ne4 Qe7 24. a4 e5 25. f5 gxf5 26. gxf5 Nd4 27. N2g3 Qh4 28. f6 Rc7 29. fxg7 Rxg7 30. Kh2 Re6 31. cxd4 exd4 32. Qb3 Rgg6 33. Nxc5 bxc5 34. Qb8+ Kg7 35. Qf8# 1-0

[Event "Frontera online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.27"]
[Round "5"]
[White "Martinez Piedrahita, Santiago"]
[Black "Martinez Santiago, Fabian N"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "1917"]
[BlackElo "1731"]
[PlyCount "89"]
[EventDate "2020.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 b6 3. Bf4 bxc5 4. Nc3 d6 5. e3 Bb7 6. Nf3 Nf6 7. Bb5+ Nbd7 8. 0-0 g6 9. Qe2 Bg7 10. Rfd1 0-0 11. Ba6 Bxa6 12. Qxa6 Qb6 13. Qxb6 axb6 14. a3 Rfd8 15. Rab1 Nf8 16. Nd5 Nxd5 17. Rxd5 Ne6 18. Bg3 b5 19. c3 h6 20. Rbd1 Nc7 21. R5d2 g5 22. Ne5 Rdb8 23. Nd3 b4 24. cxb4 cxb4 25. Nxb4 Na6 26. Nc6 Rb7 27. Nd4 Nc5 28. Nf5 Bf8 29. h4 Ne4 30. Rc2 Nxg3 31. fxg3 Kh7 32. hxg5 hxg5 33. Kf2 Kg6 34. g4 Rb6 35. Rh1 e6 36. Nd4 Bg7 37. Rh5 Ra4 38. b3 Rxa3 39. Rc6 Rxc6 40. Nxc6 Rxb3 41. Ne7+ Kf6 42. Ng8+ Kg6 43. Ne7+ Kf6 44. Ng8+ Kg6 45. Ne7+ 1/2-1/2

[Event "Frontera online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.24"]
[Round "4"]
[White "Tula, Benjamin"]
[Black "Martinez Piedrahita, Santiago"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2042"]
[BlackElo "1917"]
[PlyCount "59"]
[EventDate "2020.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. Be3 g6 7. Bc4 Bg7 8. 0-0 Nge7 9. Nxc6 Nxc6 10. f4 b5 11. Bb3 0-0 12. f5 Kh8 13. Qd2 Re8 14. Bh6 Bd4+ 15. Kh1 Bb7 16. fxg6 fxg6 17. Rf7 Be5 18. Raf1 Kg8 19. Rxd7 Qh4 20. Bf4 Bxf4 21. Rxf4 Qh5 22. Rxb7 Rad8 23. Qf2 Qg5 24. h3 Ne5 25. Rg4 Qc1+ 26. Kh2 Nxg4+ 27. hxg4 Qh6+ 28. Kg3 Rd2 29. Qf7+ Kh8 30. Qxe8+ 1-0

[Event "Frontera online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.20"]
[Round "3"]
[White "Martinez Piedrahita, Santiago"]
[Black "Schluter, Roarque"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1917"]
[BlackElo "1679"]
[PlyCount "137"]
[EventDate "2020.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Bf4 Bb4 5. e3 0-0 6. Nf3 c6 7. cxd5 exd5 8. Bd3 Qa5 9. Qc2 Ne4 10. Bxe4 dxe4 11. Nd2 f5 12. 0-0 Bxc3 13. bxc3 Be6 14. Nb3 Qd5 15. Nc5 b6 16. Nxe6 Qxe6 17. Qb3 Qxb3 18. axb3 Nd7 19. f3 Nf6 20. c4 h6 21. Rfd1 g5 22. Bd6 Rf7 23. Ra6 Ne8 24. Bb4 Rd7 25. Rda1 exf3 26. gxf3 Kf7 27. Rxb6 axb6 28. Rxa8 Nc7 29. Ra7 Ke6 30. Rb7 b5 31. Rb6 bxc4 32. Rxc6+ Kd5 33. Rc5+ Ke6 34. bxc4 Kf6 35. Rc6+ Kg7 36. Bd6 Ne8 37. Be5+ Kh7 38. Rc8 Re7 39. c5 Kg6 40. Rc6+ Kh5 41. Ra6 g4 42. fxg4+ Kxg4 43. Rxh6 Kf3 44. Rh3+ Kg4 45. Rg3+ Kh5 46. Kf2 Ra7 47. Kf3 Kh6 48. Kf4 Kh7 49. Kxf5 Ng7+ 50. Rxg7+ Rxg7 51. Bxg7 Kxg7 52. Ke6 Kf8 53. c6 Ke8 54. c7 Kf8 55. c8Q+ Kg7 56. Qd7+ Kg6 57. Qf7+ Kg5 58. Qf5+ Kh4 59. Qh7+ Kg4 60. Qg6+ Kf3 61. Qf5+ Kxe3 62. Ke5 Kd2 63. Qh3 Kc2 64. Ke4 Kb2 65. Qd3 Ka2 66. Qb5 Ka3 67. Kd3 Ka2 68. Kc2 Ka3 69. Qb3# 1-0

[Event "Frontera online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.17"]
[Round "2"]
[White "Castro, Cesar"]
[Black "Martinez Piedrahita, Santiago"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2187"]
[BlackElo "1917"]
[PlyCount "61"]
[EventDate "2020.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Bc5 6. Nb3 Bb4 7. g3 Bxc3+ 8. bxc3 Nf6 9. Bg2 0-0 10. 0-0 Qc7 11. Ba3 Re8 12. Bd6 Qb6 13. g4 h6 14. h4 Nh7 15. e5 Qd8 16. h5 Qg5 17. f4 Qh4 18. Nd4 Qg3 19. Nb5 Qe3+ 20. Kh1 Rd8 21. Rf3 Qb6 22. Rb1 Rf8 23. Nc7 Qa5 24. Nxa8 Re8 25. Nc7 Rd8 26. Nb5 Re8 27. Rd3 a6 28. Nd4 Qd8 29. Nxc6 Qh4+ 30. Rh3 Qf2 31. Ne7+ 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.05.01"]
[Round "7"]
[White "Martinez Piedrahita, Santiago"]
[Black "Norena Marin, Jeronimo"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1426"]
[BlackElo "1491"]
[PlyCount "31"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Qe7 6. Be2 Bg4 7. 0-0 Nc6 8. Re1 0-0-0 9. Ng5 Bxe2 10. Rxe2 d5 11. f3 f6 12. fxe4 dxe4 13. Rxe4 Rxd4 14. Qg4+ Kb8 15. Rxe7 Rxg4 16. Re8+ 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.30"]
[Round "6"]
[White "Hoyos Campuzano, Efrain"]
[Black "Martinez Piedrahita, Santiago"]
[Result "0-1"]
[ECO "C33"]
[WhiteElo "1815"]
[BlackElo "1426"]
[PlyCount "18"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nc3 Bc5 4. g3 fxg3 5. hxg3 Nc6 6. Qg4 Qf6 7. d4 Bxd4 8. Nf3 Bxc3+ 9. bxc3 Qxc3+ 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.30"]
[Round "5"]
[White "Leon Acevedo, Juan Alejandro"]
[Black "Martinez Piedrahita, Santiago"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1593"]
[BlackElo "1426"]
[PlyCount "43"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Bd7 5. Nf3 Nf6 6. 0-0 Be7 7. d4 Bg4 8. d5 Nb8 9. b4 0-0 10. Bb2 Nbd7 11. a4 Rc8 12. a5 a6 13. Rc1 b6 14. Ra1 Ra8 15. h3 Bf5 16. Nh4 Bg6 17. Nxg6 hxg6 18. Qd3 bxa5 19. Rxa5 c5 20. dxc6 Ra7 21. cxd7 Qxd7 22. Rfa1 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.29"]
[Round "4"]
[White "Martinez Piedrahita, Santiago"]
[Black "Marin, Hector Hugo"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "1426"]
[PlyCount "53"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 Qc7 6. Bb3 d6 7. Be3 Nf6 8. Nc3 e6 9. Nxc6 bxc6 10. f4 g6 11. g4 Bd7 12. g5 Ng8 13. Bd4 e5 14. fxe5 dxe5 15. Bf2 0-0-0 16. Qe2 Be7 17. Qxa6+ Qb7 18. Qxb7+ Kxb7 19. h4 f6 20. Be3 fxg5 21. Bxg5 Nf6 22. 0-0-0 Rhf8 23. Rd2 Bg4 24. Rf1 Rxd2 25. Kxd2 Ng8 26. Rxf8 Bxf8 27. Bxg8 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.28"]
[Round "2"]
[White "Benjumea, David"]
[Black "Martinez Piedrahita, Santiago"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1860"]
[BlackElo "1426"]
[PlyCount "93"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 h6 8. h3 0-0 9. Be3 Bxe3 10. fxe3 d5 11. exd5 Nxd5 12. Bxd5 Qxd5 13. Nc3 Qc5 14. Qe2 Bb7 15. Nh4 Ne7 16. Ne4 Bxe4 17. dxe4 Qb4 18. Nf5 Nxf5 19. exf5 Qxb2 20. f6 g6 21. h4 Qb4 22. e4 Kh7 23. h5 Qd6 24. Rad1 Qb6+ 25. Kh2 Qe6 26. Rd3 g5 27. Rf5 Rg8 28. Rd5 Rae8 29. Qf2 c6 30. Rdxe5 Qd6 31. Qg3 Rxe5 32. Qxe5 Rd8 33. Qxd6 Rxd6 34. e5 Re6 35. Kg3 Kg8 36. Kf3 Kf8 37. Ke4 Ke8 38. Rf3 Kd7 39. Ra3 c5 40. Rd3+ Kc6 41. Rd8 b4 42. Rf8 a5 43. Rxf7 Re8 44. Ra7 Kb6 45. f7 Rf8 46. Re7 Kc6 47. e6 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.27"]
[Round "1"]
[White "Caicedo, Carlos Andres"]
[Black "Martinez Piedrahita, Santiago"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1902"]
[BlackElo "1426"]
[PlyCount "57"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Bd6 7. Nbd2 Bg4 8. Nc4 Qe7 9. h3 Bh5 10. Qe2 h6 11. Bd2 Nd7 12. 0-0-0 Qe6 13. Kb1 Bc5 14. Bc3 f6 15. Ne3 Bf7 16. b3 g6 17. Rhe1 0-0-0 18. Nf1 Qd6 19. d4 exd4 20. Bxd4 Rhe8 21. Ng3 Qe6 22. Qe3 Qe7 23. Qxh6 Bxd4 24. Rxd4 g5 25. Nf5 Qc5 26. Red1 Ne5 27. Rxd8+ Rxd8 28. Rxd8+ Kxd8 29. Qxf6+ 1-0

[Event "Medellin Segunda Antioquia op"]
[Site "Medellin"]
[Date "2016.04.17"]
[Round "6.21"]
[White "Rodriguez Patino, Isabela"]
[Black "Martinez Piedrahita, Santiago"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "1251"]
[BlackElo "1426"]
[PlyCount "108"]
[EventDate "2016.04.13"]
[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 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. Bxc6 Bxc6 7. dxe5 dxe5 8. Qxd8+ Rxd8 9. Nxe5 Bxe4 10. Nxe4 Nxe4 11. 0-0 Bc5 12. Re1 0-0 13. Be3 Bxe3 14. Rxe3 Nf6 15. Nf3 Rfe8 16. Rxe8+ Rxe8 17. Kf1 c5 18. c4 a6 19. b3 h6 20. Rd1 Ne4 21. Re1 f5 22. g3 g5 23. Ng1 Nd2+ 24. Kg2 Rxe1 25. Nf3 Nxf3 26. Kxf3 g4+ 27. Kg2 b5 28. cxb5 axb5 29. f3 Re2+ 30. Kf1 gxf3 31. Kg1 c4 32. bxc4 f2+ 33. Kf1 Rxa2 34. cxb5 Rb2 35. b6 Rxb6 36. Kxf2 Rf6 37. Kf3 Kg7 38. Kf4 Kg6 39. h3 Kh5 40. Ke5 Rg6 41. Kf4 Rg8 42. h4 Kg6 43. Ke5 Re8+ 44. Kf4 Re4+ 45. Kf3 Kf6 46. Kg2 f4 47. g4 Kg6 48. Kf3 Ra4 49. Ke2 Ra3 50. Kf2 h5 51. g5 Kf5 52. Kg2 Kg4 53. g6 Kxh4 54. g7 Rg3+ 0-1

[Event "Medellin Segunda Antioquia op"]
[Site "Medellin"]
[Date "2016.04.16"]
[Round "4.11"]
[White "Martinez, Mauricio"]
[Black "Martinez Piedrahita, Santiago"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1961"]
[BlackElo "1426"]
[PlyCount "38"]
[EventDate "2016.04.13"]
[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 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 d5 6. Bxd5 Be6 7. Bxe6 fxe6 8. Nxe6 Qe7 9. Nxc7+ Qxc7 10. Qh5+ g6 11. Qxc5 0-0-0 12. 0-0 Nf6 13. f3 h6 14. Na3 a6 15. Nc4 Nd7 16. Qd6 Qxd6 17. Nxd6+ Kb8 18. Nf7 g5 19. Nxh8 Rxh8 1-0

