[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "5"]
[White "Guerrero Cueva, Juan Eduardo"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "399"]
[BlackElo "1366"]
[PlyCount "81"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 Ng8 3. Nf3 Nf6 4. d4 d5 5. e5 Ne4 6. Nxe4 dxe4 7. Nd2 Nc6 8. c3 Bf5 9. Bc4 e6 10. 0-0 Be7 11. Kh1 Qd7 12. Qa4 a6 13. h3 b5 14. Bxb5 axb5 15. Qxa8+ Nd8 16. Nb3 0-0 17. Nc5 Bxc5 18. dxc5 Qd3 19. Be3 f6 20. Rad1 Qe2 21. Rfe1 Qh5 22. Kg1 Qg6 23. Rxd8 Rxd8 24. Qxd8+ Kf7 25. Qxc7+ Kg8 26. Qd8+ Kf7 27. exf6 gxf6 28. Kf1 Qh5 29. g4 Qxh3+ 30. Ke2 Bxg4+ 31. Kd2 Qg2 32. c6 h5 33. c7 e5 34. Qh8 Ke6 35. c8Q+ Kd5 36. Qcd8+ Kc4 37. Qc7+ Kd5 38. Qhd8+ Ke6 39. Qce7+ Kf5 40. Qdd7+ Kg6 41. Qg7# 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "2"]
[White "Litardo Suarez, Wendy Daniela"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "561"]
[BlackElo "1366"]
[PlyCount "30"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. Nb5 Ng4 5. Qe2 a6 6. Na3 Qd5 7. Nc4 b5 8. Na3 Nxe5 9. Nf3 Nxf3+ 10. gxf3 Bb7 11. Bg2 Nd7 12. d3 e6 13. 0-0 Bxa3 14. bxa3 0-0 15. f4 Qxg2# 0-1

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "7"]
[White "Mendoza Laaz, Jose Fredes"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "985"]
[BlackElo "1366"]
[PlyCount "32"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bg4 6. Be2 Nc6 7. 0-0 0-0-0 8. d3 f6 9. h3 Bxh3 10. gxh3 Qf5 11. Kh2 e5 12. Rg1 Bd6 13. Nh4 e4+ 14. f4 exf3+ 15. Rg3 Bxg3+ 16. Kxg3 fxe2 0-1

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "8"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Cuadrado Garces, Aaron David"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1366"]
[BlackElo "1647"]
[PlyCount "50"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. d3 dxe4 4. Nxe4 Nxe4 5. dxe4 Qxd1+ 6. Kxd1 Nc6 7. Bf4 e5 8. Bg3 Be6 9. Bb5 0-0-0+ 10. Ke2 Nd4+ 11. Ke3 Nxb5 12. Bxe5 f6 13. Bc3 Nxc3 14. bxc3 Bd6 15. Nf3 Bg4 16. Nd4 Bc5 17. f3 Be6 18. Kd3 Bb6 19. Ke2 Bxd4 20. cxd4 Rxd4 21. a4 Rhd8 22. Rhd1 Bc4+ 23. Ke1 Rxd1+ 24. Rxd1 Rxd1+ 25. Kxd1 Kd7 0-1

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "6"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Mariduena Villa, Jerson Emanuel"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1366"]
[BlackElo "860"]
[PlyCount "107"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. c3 Nf6 6. d4 g6 7. Bxc6 Bxc6 8. dxe5 dxe5 9. Nxe5 Qxd1 10. Rxd1 Bxe4 11. Bf4 Bg7 12. Nd2 0-0 13. Nxe4 Nxe4 14. f3 g5 15. Be3 Bxe5 16. fxe4 Bg7 17. Bxg5 f6 18. Bf4 c6 19. Rd7 b6 20. Rad1 c5 21. Re7 Rf7 22. Rdd7 Rxe7 23. Rxe7 Kf8 24. Rd7 b5 25. Bd6+ Kg8 26. Bxc5 a6 27. Bd4 Rf8 28. Rd6 Ra8 29. Rd7 Kf8 30. Ra7 Rxa7 31. Bxa7 Ke7 32. Bd4 Kd6 33. a3 Kc6 34. Kf2 a5 35. Ke3 Bh6+ 36. Kd3 Bg7 37. b4 a4 38. c4 h6 39. c5 Bh8 40. Ke3 Bg7 41. Kf4 Kb7 42. Kf5 Kc6 43. Bxf6 Bxf6 44. Kxf6 Kc7 45. e5 Kc6 46. Kf7 Kc7 47. e6 Kd8 48. e7+ Kc7 49. e8Q Kb7 50. Qxb5+ Ka7 51. Qxa4+ Kb7 52. Qb5+ Ka7 53. c6 Ka8 54. Qb7# 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "3"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Quezada Pauker, Kathleen Gabriela"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1366"]
[BlackElo "1720"]
[PlyCount "72"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. d3 0-0 8. 0-0 Nd4 9. Ne2 a6 10. Nexd4 cxd4 11. e5 d6 12. Re1 Nc6 13. Kh1 Qc7 14. Qe2 dxe5 15. fxe5 Rd8 16. Bf4 Ne7 17. Qd2 Rb8 18. Bh6 b5 19. Qg5 Nf5 20. Bxg7 Kxg7 21. g4 Ne3 22. Qf6+ Kg8 23. Rxe3 dxe3 24. Ng5 Bb7 25. Rf1 Bxg2+ 26. Kxg2 Rb7 27. Qf3 Qxc2+ 28. Kg1 e2 29. Re1 Rbd7 30. Qh3 f6 31. exf6 Qxd3 32. Qh6 Qe3+ 33. Kh1 Rf8 34. f7+ Rfxf7 35. Rxe2 Qxe2 36. Nxf7 Qf1# 0-1

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "4"]
[White "Recalde Solorzano, Anthony Josue"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1741"]
[BlackElo "1366"]
[PlyCount "81"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nf3 Nc6 4. c4 Nb6 5. Nc3 d6 6. exd6 exd6 7. Be2 Bf5 8. 0-0 Qd7 9. d4 0-0-0 10. a4 a5 11. Be3 h5 12. d5 Ne7 13. Bxb6 cxb6 14. Qd4 Qc7 15. Nb5 Qc5 16. Qf4 f6 17. Nfd4 Bg4 18. Bxg4+ hxg4 19. Qxg4+ Kb8 20. Ne6 Rc8 21. Nxc5 Rxc5 22. Nxd6 f5 23. Nxf5 Nxf5 24. Qxf5 Rxc4 25. Qe5+ Ka7 26. Rfc1 Rch4 27. Rc8 Bd6 28. Rxh8 Bxe5 29. Rxh4 Bxb2 30. Rb1 Bf6 31. Rg4 Ka6 32. d6 b5 33. Rxb5 b6 34. d7 Kb7 35. Rxg7 Bxg7 36. d8Q Bf6 37. Qxb6+ Kc8 38. Rc5+ Kd7 39. Rc7+ Ke8 40. Qe6+ Kd8 41. Qc8# 1-0

[Event "ECU Clasif2 U13"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "6"]
[White "Calderon Guerra, Odalys Calderon"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "1187"]
[BlackElo "1054"]
[PlyCount "77"]
[EventDate "2020.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. d4 c6 8. e4 e5 9. d5 Nc5 10. Re1 Bg4 11. Bg5 Qd7 12. b4 Na6 13. a3 h6 14. Be3 Bh3 15. Qc1 Bxg2 16. Kxg2 Kh7 17. Rd1 Ng4 18. h3 Nxe3+ 19. Qxe3 f5 20. Qd2 fxe4 21. Nxe4 Qf5 22. Qe2 cxd5 23. cxd5 Rad8 24. Rab1 Rf7 25. Nh4 Qd7 26. Rdc1 Rdf8 27. Rc2 Nc7 28. Rbc1 Nxd5 29. Qd3 Nf6 30. Nxd6 Ne4 31. Qxe4 Qxd6 32. Re1 Qb6 33. Ree2 Qd4 34. Qxg6+ Kh8 35. Qh5 Qd5+ 36. f3 e4 37. Qxd5 exf3+ 38. Nxf3 Rf5 39. Qd3 1-0

[Event "ECU Clasif2 U13"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "1"]
[White "Chilan Villa, Andres Jesus"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1493"]
[BlackElo "1054"]
[PlyCount "133"]
[EventDate "2020.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d5 c6 7. c4 e6 8. Nc3 Nh5 9. e4 exd5 10. exd5 f5 11. Nd4 f4 12. dxc6 Nxc6 13. Nxc6 bxc6 14. Bxc6 Rb8 15. Bd5+ Kh8 16. Bg2 Bb7 17. Nd5 fxg3 18. hxg3 Qe8 19. Be3 Rc8 20. Rc1 Qf7 21. Bd4 Kg8 22. Bxg7 Nxg7 23. Qb3 Rb8 24. Qd3 Qd7 25. Qd4 Qd8 26. Rce1 Nf5 27. Qd3 Ba6 28. b3 Rc8 29. Nf4 Qf6 30. Ne6 Rfe8 31. Bd5 Kh8 32. Nf4 g5 33. Ng2 Rxe1 34. Rxe1 h5 35. Ne3 Nxe3 36. Qxe3 Qh6 37. Qd4+ Qg7 38. Qxg7+ Kxg7 39. Re7+ Kg6 40. Rxa7 Bxc4 41. Bxc4 Re8 42. Bf7+ Kf6 43. Bxe8 Ke6 44. Bxh5 d5 45. Bf3 d4 46. Ra4 d3 47. Rd4 Ke5 48. Rxd3 Kf5 49. Rd5+ Kg6 50. Be4+ Kh6 51. Rd6+ Kh5 52. Bf3+ g4 53. Rd5+ Kg6 54. Bxg4 Kf6 55. f4 Kg6 56. Rd6+ Kf7 57. Bf5 Ke7 58. Re6+ Kf7 59. g4 Kg7 60. g5 Kf7 61. g6+ Kg7 62. Re7+ Kf8 63. Rd7 Kg8 64. Be6+ Kf8 65. f5 Ke8 66. f6 Kf8 67. Rd8# 1-0

[Event "ECU Clasif2 U13"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "3"]
[White "Obaco Cuenca, Dalthon Farid"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "1309"]
[BlackElo "1054"]
[PlyCount "45"]
[EventDate "2020.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 exd6 5. Nf3 Bg4 6. Bc4 Nb6 7. Bxf7+ Kxf7 8. Ng5+ Ke8 9. Qxg4 Qd7 10. Qxd7+ N8xd7 11. 0-0 h6 12. Ne6 c6 13. Nc7+ Kf7 14. Nxa8 Nxa8 15. Nc3 Be7 16. Bf4 Rf8 17. Rfe1 Ke8 18. Bxd6 Rf7 19. d5 cxd5 20. Nxd5 Nab6 21. Nxe7 Rxe7 22. Rxe7+ Kd8 23. Rxg7 1-0

[Event "ECU Clasif2 U13"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "2"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Barros Zavala, Adrian Alexander"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1054"]
[PlyCount "133"]
[EventDate "2020.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 Bb7 9. d3 d6 10. Nbd2 Qd7 11. Nf1 Nd8 12. Ne3 Ne6 13. Nf5 h6 14. Bxh6 gxh6 15. Nxh6+ Kh7 16. Nf5 Kg8 17. Nd2 Rfb8 18. Qf3 Kf8 19. Qh3 Ke8 20. Qh8+ Nf8 21. Qg7 d5 22. Nh6 Qe6 23. exd5 Bxd5 24. Bxd5 Qxd5 25. Ne4 Nxe4 26. dxe4 Qe6 27. Nf5 c5 28. Rad1 Bf6 29. Qg3 Rd8 30. Rd3 Rxd3 31. Qxd3 Rd8 32. Qb1 Ng6 33. a4 Qb6 34. axb5 axb5 35. Qc1 Rd7 36. Qh6 Nf8 37. Ng7+ Kd8 38. Nf5 Kc7 39. Ne3 Rd8 40. Nd5+ Rxd5 41. exd5 Nd7 42. Qh5 Bd8 43. Qxf7 Qd6 44. b4 c4 45. Ra1 Kb6 46. Ra5 Bc7 47. Qe6 Kb7 48. Qxd6 Bxd6 49. Rxb5+ Ka6 50. Ra5+ Kb6 51. g3 Nf6 52. Ra8 Ne4 53. Ra3 Nf6 54. Kg2 Nxd5 55. Kf1 Kb5 56. Ke2 Nf6 57. h4 Ne4 58. Ke3 Nf6 59. f3 Nh5 60. Ra5+ Kb6 61. g4 Nf4 62. h5 Kc6 63. Ra6+ Kd5 64. Ra5+ Kc6 65. h6 Ng6 66. Ke4 Bc7 67. Kf5 1-0

[Event "ECU Clasif2 U13"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "7"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Garay Ramirez, Estefano Javier"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "1054"]
[BlackElo "1099"]
[PlyCount "108"]
[EventDate "2020.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 Qc7 7. Nxc6 bxc6 8. 0-0 Bb7 9. Bf4 e5 10. Be3 d5 11. exd5 cxd5 12. Bxd5 Nxd5 13. Nxd5 Bxd5 14. Qxd5 Rd8 15. Qb3 Bd6 16. Rad1 0-0 17. Rd3 e4 18. Rc3 Bxh2+ 19. Kh1 Qe5 20. Bxa7 Qh5 21. Rh3 Qe2 22. Ra1 Be5 23. c3 Rd2 24. Rb1 Rfd8 25. Bd4 Bxd4 26. cxd4 R2xd4 27. Re3 Rd1+ 28. Rxd1 Qxd1+ 29. Qxd1 Rxd1+ 30. Kh2 f5 31. b4 Rb1 32. Rb3 Rxb3 33. axb3 Kf8 34. Kg3 Ke7 35. Kf4 g6 36. Ke5 Kd7 37. Kf6 Kc6 38. Kg7 f4 39. Kxh7 e3 40. fxe3 fxe3 41. Kxg6 e2 42. Kh7 e1Q 43. g4 Qh4+ 44. Kg6 Qxg4+ 45. Kf7 Qxb4 46. Kf6 Qxb3 47. Kf5 Qe3 48. Kg4 Qf2 49. Kh3 Kd6 50. Kg4 Ke5 51. Kh3 Qg1 52. Kh4 Kf5 53. Kh3 Kf4 54. Kh4 Qg4# 0-1

[Event "ECU Clasif2 U13"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "5"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Juma Moreno, Jayro Javier"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1054"]
[BlackElo "1104"]
[PlyCount "114"]
[EventDate "2020.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d3 Bg7 4. g3 Nc6 5. Bg2 Rb8 6. a4 a6 7. Nbd2 e6 8. Rb1 Nge7 9. 0-0 0-0 10. c3 d6 11. Re1 b5 12. axb5 axb5 13. Nf1 b4 14. Bd2 Ba6 15. Qc2 b3 16. Qd1 Bxd3 17. Ra1 Bc2 18. Qe2 Na5 19. Bf4 Nec6 20. e5 dxe5 21. Nxe5 Nxe5 22. Bxe5 Bxe5 23. Qxe5 Nc4 24. Qxc5 Nxb2 25. Ne3 Nd3 26. Qa3 Nxe1 27. Rxe1 Qd2 28. Nxc2 Qxc2 29. Rc1 Qa2 30. Qc5 b2 31. Rf1 b1Q 32. Qe3 Qaa1 33. c4 Qxf1+ 34. Bxf1 Rb1 35. Qe2 Rxf1+ 36. Qxf1 Qxf1+ 37. Kxf1 Rc8 38. Ke2 Rxc4 39. f4 Rc2+ 40. Kf1 Rxh2 41. Kg1 Rc2 42. Kf1 Kg7 43. g4 Kf6 44. Ke1 e5 45. g5+ Kf5 46. fxe5 Kxg5 47. Kd1 Rg2 48. Ke1 Kg4 49. Kf1 Kg3 50. e6 fxe6 51. Ke1 h5 52. Kf1 h4 53. Ke1 h3 54. Kf1 h2 55. Ke1 Kf3 56. Kd1 e5 57. Kc1 h1Q# 0-1

[Event "ECU Clasif2 U13"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "4"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Villacreces Nicolalde, Gabriel Alberto"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "1054"]
[BlackElo "1219"]
[PlyCount "19"]
[EventDate "2020.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 0-0 7. Bxc6 dxc6 8. Nxe5 Qd4 9. Nf3 Nxe4 10. Nxd4 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "5"]
[White "Carrasco Olivo, Carlos Martin"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "1054"]
[PlyCount "138"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. Bg5 Nbd7 7. Nc3 h6 8. Bxf6 Nxf6 9. Qd2 Bg4 10. h3 Be6 11. e4 Qd7 12. Kh2 c6 13. Rfe1 Ne8 14. e5 Nc7 15. exd6 exd6 16. Qf4 Nd5 17. Nxd5 Bxd5 18. Nd4 g5 19. Qe3 Rae8 20. Qd2 Bxd4 21. Bxd5 cxd5 22. Rxe8 Rxe8 23. f4 Qf5 24. fxg5 Qxg5 25. Qb4 Re2+ 26. Kh1 Qd2 27. Qxd2 Rxd2 28. c3 Be5 29. Rb1 d4 30. cxd4 Bxd4 31. g4 Rxb2 32. Rxb2 Bxb2 33. Kg2 Kg7 34. Kf3 Bc1 35. Ke4 Kf6 36. Kd5 Ba3 37. Ke4 Ke6 38. d4 d5+ 39. Kd3 Bb4 40. a4 a5 41. h4 f5 42. gxf5+ Kxf5 43. h5 Kg5 44. Kc2 Kxh5 45. Kd3 Kg4 46. Ke3 h5 47. Kf2 h4 48. Kg2 Bc3 49. Kh2 Bxd4 50. Kh1 Be5 51. Kg2 d4 52. Kh1 d3 53. Kg2 d2 54. Kf2 h3 55. Ke2 h2 56. Kf2 h1Q 57. Ke3 Qf3+ 58. Kxd2 Bf4+ 59. Kc2 Qe2+ 60. Kc3 Be5+ 61. Kb3 Qd1+ 62. Kc4 Qxa4+ 63. Kd5 Qd4+ 64. Ke6 Qd6+ 65. Kf7 Bh2 66. Kg8 Qc7 67. Kh8 Kf5 68. Kg8 Kg6 69. Kf8 Qf7# 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "3"]
[White "Guzman, Diego"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "1774"]
[BlackElo "1054"]
[PlyCount "49"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Be3 0-0 7. Nge2 c6 8. g4 e5 9. d5 cxd5 10. cxd5 Nc5 11. Ng3 Qa5 12. Bd2 Qb6 13. Rb1 Nfd7 14. b4 Na6 15. a3 Nf6 16. Be2 Bd7 17. h4 Qd4 18. h5 Rac8 19. Rb3 Rc7 20. g5 Nxh5 21. Bxh5 gxh5 22. Nxh5 f5 23. Qe2 fxe4 24. Ng3 Rxf2 25. Qxf2 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "6"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Cajamarca Gordillo, Sebastian Alejandro"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1054"]
[BlackElo "1224"]
[PlyCount "101"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. f4 Bg7 6. Nf3 e6 7. 0-0 Nge7 8. d3 0-0 9. Ne2 b6 10. c3 Bb7 11. Be3 d5 12. Ng5 h6 13. Nh3 d4 14. Bd2 dxc3 15. Bxc3 Nd4 16. Nxd4 cxd4 17. Bd2 Rc8 18. Rc1 Qd7 19. Qb3 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Qxc8 22. Nf2 Nc6 23. a3 Ba6 24. Qc2 Na5 25. Qxc8+ Bxc8 26. Bxa5 bxa5 27. e5 Ba6 28. Kf1 Kf8 29. Ke2 Ke8 30. Kd2 Bf8 31. Ne4 Be7 32. Nf2 Kd7 33. Ne4 Kc7 34. Kc2 Bb7 35. Kd2 Bc6 36. Ke2 Bd5 37. Bf3 Kc6 38. Nf6 Bxf6 39. Bxd5+ Kxd5 40. exf6 e5 41. Kf3 e4+ 42. dxe4+ Ke6 43. Ke2 Kxf6 44. Kd3 g5 45. Kxd4 gxf4 46. gxf4 Ke6 47. f5+ Kf6 48. Kd5 a6 49. Kd6 a4 50. h4 h5 51. Kd5 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "1"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Chilan Villa, Andres Jesus"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1054"]
[BlackElo "1493"]
[PlyCount "60"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. c4 g6 6. Nc3 Bg7 7. Be3 0-0 8. Be2 Nc6 9. Qd2 dxc4 10. Bxc4 Bf5 11. 0-0-0 Rc8 12. Nh4 Bd7 13. Bb3 b5 14. f4 b4 15. Ne2 Nxd4+ 16. Kb1 Nxb3 17. axb3 Qa5 18. f5 Bxf5+ 19. Nxf5 Qxf5+ 20. Qd3 Qa5 21. Rc1 Rcd8 22. Qc4 Qf5+ 23. Qc2 Qe6 24. Qc4 Qxe3 25. Ng3 Qd3+ 26. Qxd3 Rxd3 27. Rc4 a5 28. Rc5 Rd5 29. Rxd5 Nxd5 30. Rd1 Rd8 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "7"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Juma Moreno, Jayro Javier"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1054"]
[BlackElo "1104"]
[PlyCount "70"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Nc6 4. Bg2 Rb8 5. f4 b5 6. a3 a5 7. Nf3 b4 8. Nd5 e6 9. Ne3 d6 10. 0-0 Bg7 11. c3 Nge7 12. Qc2 0-0 13. f5 exf5 14. exf5 Nxf5 15. Nxf5 Bxf5 16. Qd1 Ne5 17. Nxe5 Bxe5 18. d4 Bg7 19. Be3 Qc7 20. dxc5 dxc5 21. Bf4 Be5 22. Bxe5 Qxe5 23. axb4 axb4 24. Rc1 Rfd8 25. Qa4 Bd3 26. Rfe1 Qf5 27. Qc6 Rbc8 28. Qf3 Qxf3 29. Bxf3 bxc3 30. bxc3 c4 31. Be4 Kg7 32. Red1 Rc7 33. Bxd3 cxd3 34. Rd2 Kf6 35. c4 Ke5 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "9"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Navia Andrade, Marlon Elian"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1054"]
[PlyCount "48"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 d6 5. 0-0 Bg4 6. h3 Bh5 7. Be2 Bxf3 8. Bxf3 Nd4 9. Be2 Nxe2+ 10. Nxe2 Nxe4 11. d4 exd4 12. Qxd4 Nf6 13. Nf4 Be7 14. Re1 0-0 15. Nd5 Nxd5 16. Qxd5 c6 17. Qe4 Bf6 18. Qg4 Qa5 19. c3 Rfe8 20. Be3 Qb5 21. b3 Bxc3 22. Bh6 Bxa1 23. Qxg7+ Bxg7 24. Rxe8+ Rxe8 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "4"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Rueda Yovera, Alex Rodrigo"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1054"]
[PlyCount "175"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Bg4 6. Be2 Bxf3 7. Bxf3 e6 8. 0-0 g6 9. Bg5 Bg7 10. Qd2 0-0 11. Bh6 Ne4 12. Nxe4 dxe4 13. Bxg7 Kxg7 14. Bxe4 Nc6 15. c3 Qd7 16. Rad1 Rfd8 17. Bxc6 bxc6 18. b3 a5 19. a4 Qb7 20. Qc2 Rab8 21. Rb1 Qb6 22. b4 Qa7 23. bxa5 Qxa5 24. Ra1 Ra8 25. h3 Rd7 26. Rfb1 Rda7 27. Rb4 Qc7 28. Qb2 c5 29. dxc5 Qxc5 30. Qd2 Qc6 31. Qd4+ Kg8 32. Qc4 Rc7 33. Qxc6 Rxc6 34. Rc1 Rca6 35. Ra1 Rc8 36. c4 Rc5 37. Rab1 Kg7 38. Ra1 Raa5 39. Rb5 Rcxb5 40. cxb5 Kf8 41. b6 Ra6 42. b7 Rb6 43. a5 Rxb7 44. a6 Ra7 45. Kf1 Ke7 46. Ke2 Kd6 47. Kd3 Kc5 48. Ke4 Kb6 49. Ke5 Kc6 50. Kf6 Kd6 51. Rd1+ Kc7 52. Ra1 Kd6 53. Rd1+ Kc7 54. Rc1+ Kd6 55. Ra1 Kc5 56. Ra3 Kd4 57. Kg7 f5+ 58. Kf6 e5 59. Ra5 e4 60. Ra4+ Kd3 61. Ke5 Ke2 62. Ra2+ Kf1 63. g3 Kg2 64. h4 Kf3 65. Ra3+ Kg4 66. Kf6 Kh3 67. Ke5 Kg2 68. Kd6 Kxf2 69. Kc6 e3 70. Kb6 e2 71. Kxa7 e1N 72. Rb3 Nc2 73. Kb8 Nd4 74. Rb2+ Ke3 75. a7 Nc6+ 76. Kb7 Nxa7 77. Kxa7 Kf3 78. Rb3+ Kg4 79. Kb6 Kh5 80. Kc7 f4 81. gxf4 Kxh4 82. Rb4 Kg4 83. Kd6 h5 84. Ke5 Kh3 85. Rb6 h4 86. Rxg6 Kh2 87. f5 h3 88. f6 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "8"]
[White "Ubilluz Pena, Jaiden Andres"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1324"]
[BlackElo "1054"]
[PlyCount "103"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. c4 Qd6 6. Nf3 Bg4 7. Be2 Nc6 8. 0-0 0-0-0 9. h3 Bh5 10. a3 e5 11. b4 e4 12. Nh2 Bxe2 13. Qxe2 Qe5 14. Rb1 Nd4 15. Qg4+ f5 16. Qd1 Bd6 17. g3 f4 18. Bb2 fxg3 19. Qg4+ Kb8 20. fxg3 Qxg3+ 21. Qxg3 Bxg3 22. Bxd4 Rxd4 23. Rf7 a6 24. Rxg7 Bxh2+ 25. Kxh2 Rxd2+ 26. Kg3 e3 27. Re7 e2 28. Re1 Rg8+ 29. Kf2 Rf8+ 30. Ke3 Rdd8 31. Kxe2 Rde8 32. Kd2 Rxe7 33. Rxe7 Rf2+ 34. Ke3 Ra2 35. Rxh7 Rxa3+ 36. Kd4 Rb3 37. Rh8+ Ka7 38. Rh7 c6 39. h4 Rxb4 40. h5 Rb1 41. h6 Rd1+ 42. Ke5 Rd8 43. Rg7 Rh8 44. h7 a5 45. Kd4 Kb6 46. c5+ Kb5 47. Rxb7+ Ka6 48. Rg7 a4 49. Kc3 Kb5 50. Kd4 a3 51. Rb7+ Ka4 52. Kc4 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "2"]
[White "Villacreces Nicolalde, Gabriel Alberto"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1219"]
[BlackElo "1054"]
[PlyCount "52"]
[EventDate "2020.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc6 5. c3 Bg4 6. Be2 Qd7 7. exd6 exd6 8. 0-0 0-0-0 9. h3 Bh5 10. Be3 Nxe3 11. fxe3 f6 12. Nbd2 Re8 13. Qc2 Qe7 14. Rae1 Qxe3+ 15. Kh2 Qf4+ 16. Kg1 Qg3 17. Bd3 Rxe1 18. Rxe1 Be7 19. Bf5+ Kb8 20. Bg4 Bxg4 21. hxg4 Qxg4 22. Rxe7 Nxe7 23. Qb3 Nc6 24. Nc4 Re8 25. Nfd2 Re1+ 26. Kh2 Qh4# 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "9"]
[White "Carrion Pulla, Jesus Adrian"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1267"]
[BlackElo "183"]
[PlyCount "99"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxe7 cxd2+ 6. Bxd2 Bxe7 7. Be2 0-0 8. Nf3 Nc6 9. 0-0 Bf6 10. Rb1 Be6 11. b3 a5 12. c4 Bf5 13. Rc1 Bb2 14. Bc3 Bxc1 15. Qxc1 Nb4 16. Qb2 f6 17. Rd1 Qe7 18. a3 Nc6 19. h3 Rfe8 20. Re1 Qf8 21. b4 axb4 22. axb4 Re4 23. c5 Rae8 24. b5 Na7 25. Kf1 Bd7 26. Qa2+ Kh8 27. Qxa7 Qf7 28. Qxb7 Qa2 29. Nd4 Bc8 30. Qxc7 R4e7 31. Qg3 Bb7 32. c6 Bc8 33. b6 Bf5 34. c7 Bd3 35. Bxd3 Rxe1+ 36. Bxe1 Qa1 37. f3 Qxd4 38. Be2 Qe3 39. Qf2 Qe7 40. g4 Qd7 41. Kg2 Qc6 42. Kg3 h6 43. Kg2 Qc2 44. Kf1 Qb3 45. Kg2 Qd5 46. Kf1 Qb7 47. Kg1 Qd5 48. Kf1 Qg5 49. h4 Qa5 50. Bxa5 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "1"]
[White "Montalvo Uzhca, Nicolas Alejandro"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "184"]
[BlackElo "183"]
[PlyCount "54"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Bxd2 Bxg7 7. c3 Bf5 8. Nf3 Nc6 9. g3 Bg4 10. Bg2 Ne5 11. 0-0 Qd7 12. Qe2 Nxf3+ 13. Bxf3 Bxf3 14. Qxf3 Qxd2 15. b4 0-0-0 16. Qf5+ Kb8 17. Qxf7 Bxc3 18. Rfd1 Qb2 19. Rxd8+ Rxd8 20. Rf1 Qxb4 21. Qxh7 Bf6 22. Qf7 a6 23. g4 Qxg4+ 24. Kh1 Qd4 25. Qh7 Qd5+ 26. Kg1 Rg8+ 27. Qg6 Rxg6# 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "7"]
[White "Navia Andrade, Marlon Elian"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "211"]
[BlackElo "183"]
[PlyCount "142"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3 Nbd7 6. c3 0-0 7. h3 Re8 8. Bh2 e5 9. dxe5 dxe5 10. Bc2 e4 11. Ng5 h6 12. Nxe4 Nxe4 13. Bxe4 Rxe4 14. Qd5 Re8 15. 0-0 c6 16. Qf3 Nf6 17. Na3 Be6 18. Rad1 Qe7 19. Bd6 Qd8 20. Be5 Bd5 21. e4 Nxe4 22. Bxg7 Kxg7 23. c4 Ng5 24. Qc3+ Qf6 25. Qxf6+ Kxf6 26. cxd5 cxd5 27. Rxd5 Rad8 28. Rfd1 Rxd5 29. Rxd5 Re2 30. Nc4 Ke6 31. Rd6+ Ke7 32. Rd2 Re1+ 33. Kh2 Ne4 34. Rd4 Nxf2 35. Rd2 Ne4 36. Rd3 Re2 37. Re3 Rxe3 38. Nxe3 Nd2 39. Nd1 Nc4 40. b3 Nd2 41. Nc3 Kd6 42. g3 Ke5 43. Kg2 a6 44. Kf2 Ne4+ 45. Nxe4 Kxe4 46. Ke2 f5 47. a3 f4 48. gxf4 Kxf4 49. Kf2 h5 50. Kg2 g5 51. Kf2 g4 52. hxg4 hxg4 53. Kg2 Ke3 54. Kg3 Kd3 55. b4 Kc3 56. Kxg4 Kb3 57. Kf3 Kxa3 58. Ke2 Kxb4 59. Kd1 Kc3 60. Kc1 b5 61. Kb1 a5 62. Kc1 b4 63. Kb1 a4 64. Ka2 b3+ 65. Kb1 a3 66. Ka1 b2+ 67. Kb1 a2+ 68. Kxa2 Kc2 69. Ka3 b1Q 70. Ka4 Qb6 71. Ka3 Qb3# 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "3"]
[White "Orozco Aguilera, Pablo Sebastian"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "1620"]
[BlackElo "183"]
[PlyCount "63"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 Nbd7 7. Bd3 c5 8. d5 Ne5 9. Be2 Qa5 10. Bd2 Qd8 11. f4 Ned7 12. Nf3 Nb6 13. 0-0 e5 14. fxe5 dxe5 15. Nxe5 Nfd7 16. Nxd7 Bxd7 17. Be3 Rc8 18. Rf3 Re8 19. Qd2 Qh4 20. Raf1 Rf8 21. Bg5 Qh5 22. R3f2 Nxc4 23. Qc1 Qxh3 24. gxh3 Bxh3 25. Bxc4 Bd4 26. Be3 Bg7 27. Bh6 Bd4 28. Bxf8 Rxf8 29. Ne2 Bxf2+ 30. Rxf2 f5 31. exf5 Bxf5 32. Ng3 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "4"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Alvarado Navarro, Dante Santiago"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "183"]
[BlackElo "1409"]
[PlyCount "76"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 c6 5. Nf3 Bg4 6. Be2 Bd6 7. 0-0 Ne7 8. Re1 0-0 9. h3 Bf5 10. Bd3 Bxd3 11. Qxd3 Ng6 12. Ne2 Re8 13. Bd2 Nd7 14. Ng3 Bxg3 15. fxg3 Qc7 16. Nh2 Nf6 17. Bg5 Ne4 18. Bf4 Nxf4 19. gxf4 Qxf4 20. Rf1 Qc7 21. Ng4 f6 22. Qf3 Nd2 23. Qf5 Nxf1 24. Rxf1 Rf8 25. h4 Qc8 26. Qf4 Qe8 27. h5 Qxh5 28. Rf3 Rae8 29. Rh3 Qg6 30. Qd2 Qxg4 31. Qd3 Qg6 32. Qd2 Re4 33. Qf2 Rfe8 34. Rg3 Re1+ 35. Kh2 Qh5+ 36. Rh3 Qg4 37. Rg3 Qh4+ 38. Rh3 Qxf2 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "8"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Gonzabay Vidal, Nick Steven"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "183"]
[BlackElo "1407"]
[PlyCount "108"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Qd2 Nf6 8. f3 0-0 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. h4 Qa5 12. a3 Rab8 13. g4 a6 14. h5 b5 15. g5 Nxh5 16. Be2 b4 17. Bxg7 Kxg7 18. Rxh5 bxc3 19. Qd4+ Qe5 20. Qxe5+ dxe5 21. Rh4 cxb2+ 22. Kb1 f6 23. Rdh1 Rh8 24. gxf6+ exf6 25. f4 a5 26. a4 Rb4 27. Bb5 Rxe4 28. fxe5 Rxh4 29. Rxh4 fxe5 30. Re4 Kf6 31. Kxb2 Rd8 32. c4 Rd4 33. Rxd4 exd4 34. Kc2 Ke5 35. Kd3 Bf5+ 36. Kd2 Kd6 37. Ke2 Kc5 38. Kd2 Kb4 39. Kd1 Be6 40. Kd2 Bxc4 41. Bxc4 Kxc4 42. Kc2 h6 43. Kd2 d3 44. Kc1 Kc3 45. Kd1 d2 46. Ke2 Kc2 47. Ke3 d1Q 48. Ke4 Qd3+ 49. Kf4 Kc3 50. Kg4 Qf5+ 51. Kg3 Kd3 52. Kh4 Ke3 53. Kg3 Qf3+ 54. Kh4 g5# 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "2"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Gonzalez Loaiza, Roberth Alberto"]
[Result "1-0"]
[ECO "C61"]
[WhiteElo "183"]
[BlackElo "194"]
[PlyCount "103"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 c6 6. Bc4 Nf6 7. f4 Bc5 8. d3 0-0 9. Nd2 d5 10. exd5 cxd5 11. Bb3 Bg4 12. Qe1 a5 13. a4 Nd7 14. Qg3 Bf5 15. Nf3 Ra6 16. Nh4 Qf6 17. Nxf5 Qxf5 18. Bd2 Rg6 19. Qf3 Nf6 20. Kh1 Rd8 21. Bxa5 b6 22. Bd2 Ng4 23. c3 dxc3 24. Bxc3 Rdd6 25. d4 Rh6 26. h3 Rdg6 27. dxc5 bxc5 28. Kg1 Nf6 29. Kh2 Ng4+ 30. Kh1 Nf6 31. Rac1 Ne4 32. Bc2 Qe6 33. Bxe4 dxe4 34. Qe3 Rf6 35. Bxf6 Rxf6 36. Rxc5 h6 37. Re1 Rg6 38. Qxe4 Qf6 39. Rc8+ Kh7 40. f5 Rg5 41. Qe8 Qxf5 42. Qh8+ Kg6 43. Qd8 Kh5 44. Qd1+ Kg6 45. Qb1 Qxb1 46. Rxb1 Rf5 47. Rcc1 Kg5 48. b4 Kh4 49. b5 Kg3 50. b6 Rf2 51. b7 Rxg2 52. Rc3+ 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "6"]
[White "Pereira Pinos, Mathias Bernardo"]
[Black "Tola Lazo, David Sebastian"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "183"]
[BlackElo "198"]
[PlyCount "39"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. 0-0 e5 8. Re1 Bd6 9. d4 e4 10. Nd2 0-0 11. f3 Re8 12. fxe4 dxe4 13. Ndxe4 Nxe4 14. Nxe4 Qc7 15. Nxd6 Rxe1+ 16. Qxe1 Qxd6 17. c3 Nf6 18. Bg5 Re8 19. Qh4 Qe5 20. dxe5 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "5"]
[White "Viteri Orteaga, Jose Ivan"]
[Black "Pereira Pinos, Mathias Bernardo"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1054"]
[BlackElo "183"]
[PlyCount "47"]
[EventDate "2020.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Bxd2 Bxg7 7. c3 Bf5 8. Nf3 Nc6 9. Bc4 Qd7 10. 0-0 0-0-0 11. Qe2 e6 12. b4 Bf6 13. a4 Rhg8 14. a5 Bg4 15. b5 Bxf3 16. Qxf3 Ne5 17. Qe3 Kb8 18. b6 a6 19. Qe2 Nxc4 20. Qxc4 cxb6 21. axb6 Qxd2 22. Qc7+ Ka8 23. Rxa6+ bxa6 24. Qa7# 1-0

