[Event "ECU-ch"]
[Site "Quito"]
[Date "2023.06.24"]
[Round "6"]
[White "Castro Murillo, Gonzalo Fernando"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2070"]
[BlackElo "1705"]
[PlyCount "72"]
[EventDate "2023.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 Be7 9. Be2 a6 10. 0-0 b5 11. f3 d6 12. Qd2 Bb7 13. f4 0-0 14. Bf3 Nd7 15. Rae1 Nb6 16. Bf2 Nc4 17. Qc1 Rac8 18. Nd2 N6a5 19. Nxc4 Nxc4 20. Nd1 d5 21. exd5 exd5 22. Ne3 Bd6 23. g3 Nxe3 24. Qxe3 Qxc2 25. Rc1 Qxb2 26. Rxc8 Rxc8 27. Qb6 Bc6 28. Bg4 f5 29. Bxf5 Rc7 30. Be6+ Kf8 31. Bxd5 Qc3 32. Qb8+ Be8 33. Qd8 Be7 34. Qa8 Qxa3 35. Re1 Rc1 36. Qb8 Bc5 1-0

[Event "ECU-ch"]
[Site "Quito"]
[Date "2023.06.22"]
[Round "4"]
[White "Pazos Gambarrotti, Plinio Efrain"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2024"]
[BlackElo "1705"]
[PlyCount "43"]
[EventDate "2023.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nge2 Nc6 6. d5 Nb8 7. Ng3 e5 8. Be2 Nbd7 9. h4 h5 10. Bg5 Nf8 11. Qd2 N8h7 12. Bh6 Bxh6 13. Qxh6 Ng4 14. Bxg4 Bxg4 15. f3 Bd7 16. 0-0-0 Qe7 17. Qe3 b6 18. f4 0-0 19. f5 gxf5 20. exf5 Nf6 21. Rdf1 Rab8 22. Nce4 1-0

[Event "ECU-ch"]
[Site "Quito"]
[Date "2023.06.21"]
[Round "2"]
[White "Reinoso Salas, Daniel Alejandro"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2055"]
[BlackElo "1705"]
[PlyCount "69"]
[EventDate "2023.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. d5 Nb8 8. 0-0 Nbd7 9. Re1 e5 10. b4 Ne8 11. a4 f5 12. Ng5 Ndf6 13. c5 Qe7 14. Qb3 h6 15. Ne6 Bxe6 16. dxe6 fxe4 17. Ba3 Rd8 18. Rad1 Kh7 19. b5 b6 20. cxd6 Nxd6 21. Qa2 Rde8 22. Bc4 Ng4 23. Nxe4 Qh4 24. h3 Nxe4 25. Bxf8 Ngxf2 26. e7 Bxf8 27. exf8Q Rxf8 28. Rd7+ Kh8 29. Re3 Qf4 30. Qe2 Ng5 31. Bd5 Qd4 32. Bc6 Qa1+ 33. Qe1 Qxa4 34. Rd2 Qf4 35. Rxf2 1-0

[Event "Las Americas op U2400 Hybrid"]
[Site "Internet"]
[Date "2022.06.04"]
[Round "6.14"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Cuello Camargo, Jose Javier"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1643"]
[BlackElo "1694"]
[PlyCount "105"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "VEN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d3 g6 3. Nf3 Bg7 4. g3 Nc6 5. Bg2 d6 6. Nbd2 Nf6 7. 0-0 0-0 8. Re1 e5 9. c3 Rb8 10. Nf1 b5 11. d4 cxd4 12. cxd4 Bg4 13. d5 Nd4 14. Be3 Nxf3+ 15. Bxf3 Bxf3 16. Qxf3 Qd7 17. Bg5 Ne8 18. Rac1 f5 19. exf5 Rxf5 20. Qg4 Qf7 21. Ne3 Nf6 22. Bxf6 Rxf6 23. Qe2 Bh6 24. Ng4 Bxc1 25. Rxc1 Kg7 26. Nxf6 Kxf6 27. Qf3+ Kg7 28. Qxf7+ Kxf7 29. Rc7+ Kf6 30. Rxa7 h5 31. Rd7 Rb6 32. f3 g5 33. Kf2 b4 34. Ke3 Ra6 35. Rb7 Rxa2 36. Rxb4 Ra1 37. Rb6 Ke7 38. Ke4 Rf1 39. Rb7+ Ke8 40. b4 h4 41. b5 h3 42. b6 Kd8 43. Rh7 Kc8 44. Rxh3 Rb1 45. Rh5 Kb7 46. Rxg5 Kxb6 47. h4 Kc5 48. h5 Re1+ 49. Kf5 Kxd5 50. h6 Rh1 51. Kg6 Ke6 52. h7 d5 53. Rh5 1-0

[Event "Las Americas op U2400 Hybrid"]
[Site "Internet"]
[Date "2022.06.04"]
[Round "4.19"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Hernandez Luna, Jose Angel"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1643"]
[BlackElo "1994"]
[PlyCount "73"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "VEN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 e6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 0-0 8. c3 Rb8 9. Nbd2 b5 10. Nf1 d5 11. e5 d4 12. c4 bxc4 13. dxc4 Qc7 14. Bf4 Rxb2 15. h4 Ba6 16. N1h2 Qb6 17. Ng4 Bxc4 18. Qc1 Bd5 19. Bh6 Bh8 20. Bxf8 Kxf8 21. Nf6 Bxf6 22. exf6 Ng8 23. Qf4 Bxf3 24. Bxf3 Nb4 25. Reb1 Rxb1+ 26. Rxb1 e5 27. Qxe5 Qxf6 28. Qxc5+ Kg7 29. Rxb4 Qxf3 30. Qxd4+ Nf6 31. Rb3 Qf5 32. Qxa7 h5 33. Qb7 Qc2 34. a4 Ne4 35. Rf3 Nf6 36. a5 Qa2 37. a6 1-0

[Event "Las Americas op U2400 Hybrid"]
[Site "Internet"]
[Date "2022.06.04"]
[Round "2.16"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Rojas, Luis Gabriel"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1643"]
[BlackElo "1961"]
[PlyCount "74"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "VEN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 dxe4 5. dxe4 e5 6. Bg2 Bc5 7. Ngf3 Nc6 8. 0-0 0-0 9. c3 a5 10. Qc2 b6 11. Nb3 Bd6 12. Be3 Ng4 13. Bg5 Nf6 14. h3 Be6 15. Rad1 h6 16. Be3 a4 17. Nc1 Qc8 18. Kh2 g5 19. Qe2 Qa6 20. Rfe1 Qxe2 21. Rxe2 Nd7 22. g4 Na5 23. Nd2 Rfd8 24. a3 Nc5 25. Nf1 Nc4 26. f3 Be7 27. Rde1 Nd3 28. Nxd3 Rxd3 29. Bc1 Bc5 30. Kg3 Rad8 31. h4 f6 32. hxg5 hxg5 33. Kh3 Kf7 34. Kg3 Bc8 35. Kh3 Kg6 36. Kg3 Ba6 37. Kh3 Rd1 0-1

[Event "Las Americas op U2400 Hybrid"]
[Site "Internet"]
[Date "2022.06.04"]
[Round "1.14"]
[White "Jaramillo Lopez, Ali Aaron"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2087"]
[BlackElo "1643"]
[PlyCount "109"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "VEN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 g6 2. d4 Bg7 3. Nf3 Nf6 4. g3 d6 5. Nc3 Nbd7 6. Bg2 0-0 7. 0-0 e5 8. e4 Re8 9. Re1 h6 10. h3 exd4 11. Nxd4 Nf8 12. b3 Ne6 13. Be3 Ng5 14. Bxg5 hxg5 15. g4 Nd7 16. Qd2 Nc5 17. Rad1 Ne6 18. Nf3 Nf4 19. Nd5 Nxd5 20. exd5 Rxe1+ 21. Rxe1 Bf6 22. Bf1 Bd7 23. Bd3 Kg7 24. Kg2 Qh8 25. Nxg5 Re8 26. Rxe8 Qxe8 27. Ne4 Ba1 28. Qg5 Qe5 29. Qxe5+ Bxe5 30. Nd2 b6 31. Nf3 Bf4 32. Ng1 Kf6 33. Ne2 Ke5 34. Kf3 Bd2 35. Kg3 g5 36. h4 gxh4+ 37. Kxh4 Bf4 38. Nxf4 Kxf4 39. g5 Bg4 40. Bh7 Bd7 41. Bg8 Be8 42. Kh5 a6 43. Kh6 b5 44. cxb5 axb5 45. Kg7 Kxg5 46. Bxf7 Bxf7 47. Kxf7 Kf5 48. a4 bxa4 49. bxa4 Ke5 50. a5 Kxd5 51. a6 Kc6 52. Ke6 d5 53. Ke5 Kb6 54. Kxd5 Kxa6 55. Kc6 1-0

[Event "Las Americas op U2400 Hybrid"]
[Site "Internet"]
[Date "2022.06.04"]
[Round "5.18"]
[White "Maldonado Rivera, Gladys"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "1410"]
[BlackElo "1643"]
[PlyCount "74"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "VEN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 0-0 7. Nge2 e6 8. Ng3 exd5 9. cxd5 Re8 10. Kf1 Qb6 11. h4 h5 12. a3 Nbd7 13. Qc2 Ne5 14. Be2 Bd7 15. Rb1 a6 16. b4 c4 17. Be3 Qc7 18. f3 b5 19. Kg1 Reb8 20. Kh2 a5 21. Rhc1 axb4 22. axb4 Qd8 23. Ra1 Nfg4+ 24. fxg4 Qxh4+ 25. Kg1 Qxg3 26. Bf2 Qf4 27. gxh5 Bg4 28. Rxa8 Rxa8 29. Rf1 Bxe2 30. Qxe2 Ng4 31. g3 Qg5 32. Nxb5 Qxh5 33. Ba7 Rxa7 34. Nxa7 Bd4+ 35. Kg2 Qh2+ 36. Kf3 Ne5+ 37. Kf4 Qxe2 0-1

[Event "Las Americas op U2400 Hybrid"]
[Site "Internet"]
[Date "2022.06.04"]
[Round "3.18"]
[White "Penafiel Mendoza, Josselyne Stefania"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1804"]
[BlackElo "1643"]
[PlyCount "57"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "VEN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Na6 6. h3 Nc7 7. Bd3 Bd7 8. a4 Nf6 9. f4 0-0 10. Nf3 a6 11. a5 Rb8 12. 0-0 e6 13. e5 Nfe8 14. Bc2 exd5 15. cxd5 Nb5 16. Re1 Nxc3 17. bxc3 Nc7 18. c4 Re8 19. Rb1 dxe5 20. fxe5 Qc8 21. Bf4 h5 22. Ng5 Bf5 23. e6 fxe6 24. Bxf5 exf5 25. Rxe8+ Nxe8 26. Bxb8 Qxb8 27. Qe2 Nf6 28. Qe6+ Kh8 29. d6 1-0

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.30"]
[Round "9"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Quiroz Alva, Gian Carlo Gabriel"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1370"]
[BlackElo "1263"]
[PlyCount "99"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Bg5 e6 8. d4 Nbd7 9. Bd3 Qb6 10. Rb1 Bd6 11. 0-0 0-0 12. Bxg6 hxg6 13. c3 Rfd8 14. Qc2 Rac8 15. Ne4 Be7 16. Rfe1 c5 17. Be3 Nxe4 18. Qxe4 Nf6 19. Qh4 cxd4 20. Bxd4 Qa5 21. a3 a6 22. Ne5 Qa4 23. Qh3 Qc2 24. Nxf7 Rf8 25. Ng5 Qf5 26. Qxf5 gxf5 27. Nxe6 Rfe8 28. Re2 Kf7 29. Rbe1 Bd6 30. Ng5+ Kg6 31. Bxf6 Rxe2 32. Rxe2 gxf6 33. Nf3 b5 34. g3 Bc5 35. Kg2 f4 36. Nd4 Bxd4 37. cxd4 fxg3 38. hxg3 a5 39. f4 b4 40. Kf3 b3 41. d5 Rc5 42. Rd2 f5 43. d6 Rc8 44. d7 Rd8 45. Rd5 Kf6 46. Ke3 Ke6 47. Rxa5 Rxd7 48. Rb5 Rg7 49. Kf3 Rf7 50. Rxb3 1-0

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.29"]
[Round "8"]
[White "Cardenas Lima, Vincent Matias"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1568"]
[BlackElo "1370"]
[PlyCount "97"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 c5 4. dxc5 Nc6 5. Nf3 Nf6 6. Bd3 0-0 7. 0-0 Qc7 8. Na3 Ne5 9. Bf4 Nxf3+ 10. Qxf3 Qxc5 11. h3 d5 12. Rfe1 dxe4 13. Bxe4 e5 14. Be3 Qe7 15. Bc2 Re8 16. Rad1 Be6 17. Bb3 Bxb3 18. axb3 a6 19. Nc4 e4 20. Qg3 Rad8 21. Bb6 Rxd1 22. Rxd1 Nh5 23. Qd6 f5 24. Qxe7 Rxe7 25. Rd8+ Kf7 26. Bc5 Rc7 27. Bd6 Rc6 28. Rd7+ Kg8 29. Rxb7 Nf6 30. Rb8+ Kf7 31. Ne5+ Ke6 32. Nxc6 Kxd6 33. Nd4 Nd7 34. Ra8 Nc5 35. b4 Nd3 36. Rxa6+ Kd5 37. b5 Nxb2 38. b6 Bxd4 39. cxd4 Kc6 40. d5+ Kb7 41. d6 Kc6 42. d7 Kxd7 43. b7 Kc7 44. Rb6 Kb8 45. Rxb2 h5 46. Rb6 g5 47. Rf6 f4 48. h4 e3 49. fxe3 1-0

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.29"]
[Round "7"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Claure Verastegui, Rene David"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1370"]
[BlackElo "1483"]
[PlyCount "59"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Qc7 9. Nf1 d4 10. Qe2 f6 11. N3d2 e5 12. Nc4 b5 13. Nxd6 Qxd6 14. f4 g6 15. a4 b4 16. Nd2 Be6 17. Nf3 b3 18. fxe5 fxe5 19. Bh6 Rfb8 20. Ng5 Nb4 21. cxb3 Nec6 22. Rf1 Re8 23. Rf6 Na6 24. Bh3 Nc7 25. Bxe6+ Nxe6 26. Qg4 Ncd8 27. Nxh7 Qd7 28. Qxg6+ Kh8 29. Ng5 Rg8 30. Qf5 1-0

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.28"]
[Round "5"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Reyes Zavaleta, Cristhian Yamil"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1370"]
[BlackElo "1313"]
[PlyCount "104"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 Bc5 4. Bg2 Nf6 5. d3 h6 6. 0-0 d6 7. Nbd2 Bg4 8. Re1 0-0 9. h3 Bh5 10. Nf1 Qd7 11. Be3 Bb6 12. g4 Bg6 13. Qd2 Bxe3 14. Nxe3 h5 15. g5 Nh7 16. Nf1 f6 17. Ng3 fxg5 18. Nxg5 Nd4 19. Nxh7 Kxh7 20. Re3 Rf6 21. Ne2 Ne6 22. Rf1 Nf4 23. d4 Qe6 24. Rb3 Nxg2 25. Kxg2 Bxe4+ 26. f3 Bd5 27. Re3 e4 28. f4 Raf8 29. b3 g5 30. c4 gxf4 31. Nxf4 Qg8+ 32. Kh2 Rxf4 33. Rxf4 Rxf4 34. cxd5 Qxd5 35. Rg3 Qf5 36. Qc1 Rf2+ 37. Kg1 Qf7 38. Qe1 Rf4 39. Qe2 d5 40. Rg5 Kh6 41. Rg3 Qf6 42. Qe3 Kh7 43. b4 Rf1+ 44. Kg2 c6 45. Qe2 Rf5 46. Qe3 Qh6 47. Qe2 Rg5 48. Qf2 Rxg3+ 49. Kxg3 Qg5+ 50. Kh2 Kg6 51. Qf8 Qd2+ 52. Kg3 h4+ 0-1

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.28"]
[Round "6"]
[White "Miranda Fernandez, Marcos Manuel"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1603"]
[BlackElo "1370"]
[PlyCount "122"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 g6 2. d3 Bg7 3. Nf3 c5 4. g3 Nc6 5. Bg2 d6 6. 0-0 Nf6 7. Re1 0-0 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 Rb8 11. Bf4 e5 12. Be3 b5 13. Nd2 Nd7 14. Red1 Qa5 15. a3 Rfd8 16. Qe2 Qc7 17. Rac1 a5 18. b4 axb4 19. cxb4 Nd4 20. Bxd4 exd4 21. Nb3 Rbc8 22. Rc2 Qa7 23. Na5 Rc7 24. f4 Rdc8 25. Rdc1 cxb4 26. axb4 Rc3 27. h4 Qc7 28. Rxc3 dxc3 29. Bh3 Re8 30. Bxd7 Qxd7 31. Kg2 d5 32. Nb3 dxe4 33. dxe4 f5 34. Nc5 Qc6 35. Qa2+ Kh8 36. Qd5 Qxd5 37. exd5 Re2+ 38. Kf3 Rd2 39. Ne6 Bf6 40. Nc7 Bd4 41. g4 fxg4+ 42. Kxg4 c2 43. d6 Bb2 44. Re1 c1Q 45. Rxc1 Bxc1 46. Nxb5 Rd5 47. Nc3 Rxd6 48. b5 Kg7 49. f5 Rd4+ 50. Kh3 Rd3+ 51. Kg2 Rxc3 52. b6 gxf5 53. b7 Bf4 54. h5 Bb8 55. h6+ Kxh6 56. Kf2 f4 57. Ke2 f3+ 58. Kf2 Ba7+ 59. Ke1 f2+ 60. Kd2 Ra3 61. b8Q Bxb8 0-1

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.27"]
[Round "4"]
[White "Ubilluz Pena, Jaiden Andres"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1498"]
[BlackElo "1370"]
[PlyCount "72"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Ne7 6. e3 c6 7. Nd2 a5 8. a3 Na6 9. c3 0-0 10. Ne2 Be6 11. 0-0 Qd7 12. Qc2 d5 13. e4 f5 14. f4 fxe4 15. dxe4 axb4 16. fxe5 bxa3 17. Bxa3 Bxe5 18. exd5 Bxd5 19. Bxd5+ cxd5 20. Nd4 Bd6 21. Bb2 Rxf1+ 22. Rxf1 Rf8 23. c4 Rxf1+ 24. Nxf1 Bc5 25. Ne3 b6 26. Qc3 Qa4 27. cxd5 Nb4 28. d6 Nbd5 29. Qd3 Nxe3 30. dxe7 Nf5 31. Qe4 Kf7 32. Kg2 Bxd4 33. Bxd4 Nxd4 34. e8Q+ Qxe8 35. Qxd4 Qc6+ 36. Kh3 Qf6 0-1

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.26"]
[Round "3"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Mancheno Barahona, Matias Gabriel"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1370"]
[BlackElo "1310"]
[PlyCount "97"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Nc6 5. 0-0 d6 6. d3 Bg4 7. Nbd2 Qd7 8. c3 Bh3 9. Ng5 Bxg2 10. Kxg2 Nf6 11. f4 h6 12. Ngf3 0-0-0 13. Rb1 e5 14. Nc4 Nh5 15. f5 d5 16. Ne3 Nf6 17. Qc2 dxe4 18. dxe4 Qd3 19. Qxd3 Rxd3 20. fxg6 fxg6 21. Re1 b5 22. c4 b4 23. Nd5 Rf8 24. Nh4 Ng4 25. Ne3 Nf2 26. Nxg6 Rf6 27. Nd5 Rxg6 28. Kxf2 Kb7 29. Be3 Nd4 30. Rbd1 Rxd1 31. Rxd1 h5 32. Bxd4 exd4 33. Rd3 Bh6 34. Rf3 h4 35. Rf7+ Kb8 36. Kf3 hxg3 37. hxg3 d3 38. Rf6 Rxf6+ 39. Nxf6 Kc7 40. Ng4 Bg5 41. Ne5 d2 42. Ke2 a5 43. b3 Bh6 44. Nf3 Kd6 45. g4 Bf4 46. Nxd2 Ke5 47. Nf3+ Kxe4 48. g5 Kf5 49. Kd3 1-0

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.26"]
[Round "2"]
[White "Ulloa Centeno, Luis Manuel"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1301"]
[BlackElo "1370"]
[PlyCount "60"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. c3 Nc6 7. Bc4 Bf5 8. Nbd2 Rb8 9. a4 Re8 10. Ng5 d5 11. Bb5 a6 12. Bxc6 bxc6 13. b4 a5 14. bxa5 Bd3 15. Nb3 Bc4 16. Nd2 Ba6 17. Qc2 Nh5 18. Bh2 e5 19. Ndf3 e4 20. Ne5 Bxe5 21. Bxe5 Bd3 22. Qd1 Rb2 23. Qc1 Rc2 24. Qa3 Qxg5 25. g4 Nf6 26. Bf4 Qh4 27. Bg3 Qh6 28. Bf4 g5 29. Bh2 Qxh3 30. Rf1 Qxh2 0-1

[Event "South America-ch U12 17th"]
[Site "Guayaquil"]
[Date "2022.01.25"]
[Round "1"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Mendoza Rivas, Edgar Javier"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1370"]
[BlackElo "1107"]
[PlyCount "52"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 dxe4 5. dxe4 Nc6 6. Bc4 Bc5 7. 0-0 0-0 8. c3 Qe7 9. b4 Bb6 10. a4 a6 11. Ba3 Nb8 12. Qc2 c5 13. e5 Nfd7 14. Rfe1 Rd8 15. Ne4 cxb4 16. cxb4 Nxe5 17. Nxe5 Bd4 18. Bb2 Bxb2 19. Qxb2 Qc7 20. Rac1 Qe7 21. h3 Bd7 22. Rcd1 Bxa4 23. Rxd8+ Qxd8 24. Nc5 Bc6 25. Nxf7 Kxf7 26. Nxe6 Bd5 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "5"]
[White "Esmeraldas Huachi, Anderson Yahir"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2124"]
[BlackElo "1908"]
[PlyCount "59"]
[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. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nc3 c5 5. Qd2 Nc6 6. d5 Na5 7. e4 d6 8. Bh6 0-0 9. Bxg7 Kxg7 10. Be2 h5 11. h3 a6 12. g4 Rh8 13. g5 Nd7 14. h4 b5 15. 0-0 b4 16. Nd1 Ne5 17. Nxe5 dxe5 18. f4 exf4 19. Qxf4 Rf8 20. Ne3 e6 21. Rf2 exd5 22. Nxd5 Be6 23. Qe5+ Kg8 24. Nf6+ Kh8 25. Ne8+ f6 26. Nxf6 Rf7 27. Raf1 Bc4 28. Ne8+ Kg8 29. Rxf7 Bxf7 30. Qg7# 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "7"]
[White "Guaraca Pintado, Juan Pablo"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2113"]
[BlackElo "1908"]
[PlyCount "93"]
[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 g6 2. d4 Bg7 3. Nf3 c5 4. c3 cxd4 5. cxd4 d5 6. Nc3 dxe4 7. Nxe4 Bg4 8. Be3 Bxf3 9. gxf3 Nc6 10. Bb5 Qa5+ 11. Qd2 Qxb5 12. Nc5 Rd8 13. a4 Qb4 14. Qxb4 Nxb4 15. Rd1 Nf6 16. Nxb7 Rb8 17. Nc5 0-0 18. 0-0 Rfd8 19. Rc1 Nd3 20. Nxd3 Nh5 21. Rc4 Rb3 22. Rc3 Rbb8 23. Rc4 Rb3 24. Rd1 e5 25. Rc3 Rxc3 26. bxc3 exd4 27. cxd4 Bxd4 28. Ne5 Bb6 29. Rxd8+ Bxd8 30. Bxa7 Ng7 31. Nc6 Bc7 32. a5 Ne6 33. Bb6 Bb8 34. Nxb8 Kf8 35. Nc6 Ke8 36. a6 Kd7 37. a7 Kxc6 38. a8Q+ Kxb6 39. Qh8 h5 40. Qf6 Kc6 41. Qxf7 Kd6 42. Qxg6 h4 43. f4 Ke7 44. f5 Nf8 45. f6+ Ke6 46. Qe8+ Kxf6 47. Qxf8+ 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "2"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Aguilar Ginarte, Jose Antonio"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1908"]
[BlackElo "2367"]
[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. g3 Nf6 2. Bg2 d5 3. c4 c6 4. cxd5 cxd5 5. d3 g6 6. Bg5 Bg7 7. Bxf6 Bxf6 8. Nc3 Be6 9. Nf3 0-0 10. 0-0 Nc6 11. h4 Qb6 12. Rb1 Rac8 13. Ng5 Bxg5 14. hxg5 Rfd8 15. e3 d4 16. Na4 Qa5 17. exd4 Nxd4 18. Nc3 Qxg5 19. Ne4 Qa5 20. b4 Qxa2 21. Ra1 Qe2 22. Rxa7 Bd5 23. Qxe2 Nxe2+ 24. Kh2 Rc2 25. Nc5 b6 26. Na4 b5 27. Nc5 e6 28. Re1 Rb2 29. Bxd5 Rxd5 30. Ne4 Kg7 31. Kh3 Nd4 32. f4 Rh5+ 33. Kg4 Rhh2 34. Re3 Rbe2 35. Rxe2 h5+ 36. Kg5 Nf3# 0-1

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "4"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Correa Luzuriaga, Cesar Eduardo"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1908"]
[BlackElo "1364"]
[PlyCount "71"]
[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. g3 Nf6 2. Bg2 e6 3. c4 d5 4. cxd5 exd5 5. Nc3 c6 6. d3 Bb4 7. a3 Ba5 8. b4 Bb6 9. Bg5 Nbd7 10. Nf3 0-0 11. 0-0 Qc7 12. Rc1 c5 13. bxc5 Bxc5 14. Na4 Ng4 15. d4 Qa5 16. Nxc5 Nxc5 17. Rxc5 Qxa3 18. Be7 Re8 19. Bd6 Rd8 20. Rxc8 Qxd6 21. Rxd8+ Rxd8 22. e3 f6 23. Qb3 g5 24. Ne1 h5 25. Nd3 h4 26. Rc1 b6 27. Qb5 Kg7 28. Rc6 Qd7 29. Nb4 Rh8 30. Nxd5 hxg3 31. hxg3 Rc8 32. Nb4 Rh8 33. Qd5 Qe8 34. Rc7+ Kg6 35. Be4+ Kh5 36. Qf5 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "9"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Diaz Pabon, Karol Estefania"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1908"]
[BlackElo "1661"]
[PlyCount "106"]
[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. g3 e5 2. Bg2 c6 3. c4 f5 4. Nc3 Nf6 5. Nf3 e4 6. Nd4 d5 7. cxd5 cxd5 8. d3 Bc5 9. dxe4 fxe4 10. Bg5 0-0 11. Bxf6 Qxf6 12. 0-0 Qxd4 13. Nxd5 Qxb2 14. Nc7 Nc6 15. Nxa8 Bg4 16. Qd5+ Kh8 17. Qxc5 Rxa8 18. Bxe4 Bxe2 19. Rfb1 Qd4 20. Qf5 g6 21. Qd5 Qxd5 22. Bxd5 Rd8 23. Bg2 Na5 24. Re1 Bc4 25. Rac1 Bxa2 26. Ra1 Rd2 27. Bf1 b6 28. Re7 Nc6 29. Rc7 Ne5 30. Rxa7 Bd5 31. Bg2 Bxg2 32. Kxg2 Nd3 33. R1a2 Rd1 34. g4 Nf4+ 35. Kf3 Ne6 36. h4 Rd3+ 37. Kg2 Rd4 38. f3 Rd3 39. g5 Rd5 40. Ra8+ Nf8 41. Rxf8+ Kg7 42. Rf6 Rd7 43. Ra6 b5 44. Rab6 Rd2+ 45. Kg3 Rd7 46. Rxb5 h6 47. Rbb6 hxg5 48. Rxg6+ Kf7 49. hxg5 Rd1 50. Rbf6+ Ke7 51. Rg7+ Ke8 52. Rh6 Rg1+ 53. Kf2 Rxg5 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "11"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Narvaez Arteaga, Jhon Armando"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1908"]
[BlackElo "1481"]
[PlyCount "75"]
[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. g3 g6 2. Bg2 Bg7 3. c4 d6 4. Nc3 c6 5. d4 Nf6 6. Nf3 Qa5 7. 0-0 Qh5 8. e3 Bh3 9. Nh4 Qxd1 10. Rxd1 Bxg2 11. Kxg2 Nbd7 12. b3 0-0 13. Bb2 Rad8 14. Rab1 e5 15. d5 cxd5 16. Nxd5 Nxd5 17. Rxd5 Nb6 18. Rd2 Bf6 19. Rbd1 Be7 20. e4 f5 21. f3 Nd7 22. Ba3 Nc5 23. Rd5 fxe4 24. Bxc5 exf3+ 25. Nxf3 dxc5 26. Nxe5 b6 27. Nc6 Rxd5 28. Nxe7+ Kf7 29. Nxd5 Re8 30. Rf1+ Kg7 31. h4 Re5 32. g4 b5 33. g5 bxc4 34. bxc4 Re2+ 35. Rf2 Re4 36. Nf4 Rxc4 37. Ne6+ Kg8 38. Rf8# 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "6"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Ortiz Pilco, Carlos Alberto"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1908"]
[BlackElo "1664"]
[PlyCount "45"]
[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. g3 d5 2. Bg2 e6 3. c4 Nf6 4. cxd5 exd5 5. Nc3 c6 6. d3 Bd6 7. Nf3 0-0 8. 0-0 Re8 9. Re1 Nbd7 10. e4 Ne5 11. Nxe5 Bxe5 12. d4 Bc7 13. exd5 Rxe1+ 14. Qxe1 cxd5 15. Bg5 Be6 16. Bxf6 Qxf6 17. Nxd5 Bxd5 18. Bxd5 Qxd4 19. Rd1 Qb6 20. Qe7 Rf8 21. Bb3 Bd8 22. Bxf7+ Rxf7 23. Rxd8+ 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "8"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Recalde Solorzano, Anthony Josue"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1908"]
[BlackElo "1741"]
[PlyCount "112"]
[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. g3 c6 2. Bg2 d5 3. c4 e6 4. cxd5 exd5 5. d3 Nf6 6. Nd2 g6 7. Ngf3 Bg7 8. e4 dxe4 9. dxe4 0-0 10. 0-0 Be6 11. Re1 Nbd7 12. Nb3 Nb6 13. Bg5 h6 14. Bxf6 Qxf6 15. Rb1 Rad8 16. Qc2 Bxb3 17. Qxb3 Rfe8 18. a4 Qe6 19. Qxe6 Rxe6 20. a5 Nc4 21. b4 Rde8 22. Nh4 Nd2 23. Rbd1 Bc3 24. Re3 Bxb4 25. Rd3 Nxe4 26. Bxe4 Rxe4 27. Rb3 Bxa5 28. Rxb7 Re1+ 29. Rxe1 Rxe1+ 30. Kg2 Bb6 31. f4 c5 32. f5 gxf5 33. Nxf5 c4 34. Nxh6+ Kh7 35. Nxf7 Kg6 36. Nd6 c3 37. Rb8 c2 38. Rc8 c1Q 39. Rxc1 Rxc1 40. g4 a5 41. h4 Rg1+ 42. Kf3 a4 43. h5+ Kh7 44. Ne4 a3 45. g5 a2 46. Nf6+ Kh8 47. g6 a1Q 48. Ne4 Qf1+ 49. Nf2 Qxf2+ 50. Ke4 Re1+ 51. Kd5 Qd2+ 52. Kc6 Rc1+ 53. Kb7 Be3 54. Ka8 Qd8+ 55. Kb7 Qb6+ 56. Ka8 Rc8# 0-1

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "1"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Revelo Olalla, Julian Alejandro"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1908"]
[BlackElo "1120"]
[PlyCount "75"]
[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. g3 e5 2. Bg2 d5 3. c4 d4 4. d3 Nf6 5. Nd2 Bc5 6. Ngf3 0-0 7. Nb3 e4 8. dxe4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Nxe4 11. Qxd4 Qe7 12. 0-0 Ng5 13. Rfe1 Nxf3+ 14. exf3 Qb4 15. c5 Qb5 16. Rad1 Bd7 17. f4 Na6 18. Qxd7 Qa4 19. Qxa4 c6 20. Bxc6 bxc6 21. Qxa6 h6 22. Qxc6 Rac8 23. Qd5 a5 24. Nxa5 Ra8 25. b4 Kh8 26. c6 Rac8 27. b5 Rc7 28. b6 Rcc8 29. b7 Rb8 30. c7 Rbe8 31. Rxe8 Rxe8 32. Qd8 Rxd8 33. Rxd8+ Kh7 34. c8Q h5 35. b8Q g5 36. Qd6 f5 37. Rh8+ Kg7 38. Qcf8# 1-0

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "10"]
[White "Illares Chumbi, Stefanny Gabriela"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1831"]
[BlackElo "1908"]
[PlyCount "110"]
[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. d4 Nf6 2. Nf3 c5 3. c3 g6 4. dxc5 Na6 5. b4 Bg7 6. Bb2 0-0 7. e3 Ne4 8. Nd4 d6 9. Bxa6 dxc5 10. bxc5 bxa6 11. c6 Qc7 12. Qa4 e5 13. Nf3 Rb8 14. Ba3 Rd8 15. Bb4 Rb5 16. 0-0 Qxc6 17. Be7 Rdd5 18. c4 Qb7 19. cxb5 Qxe7 20. bxa6 Nc5 21. Qc4 Be6 22. Qe2 Bg4 23. Nc3 Bxf3 24. Qxf3 Rd3 25. Rac1 e4 26. Nxe4 Nxe4 27. Rc8+ Bf8 28. Qh3 Ng5 29. Qh6 Ne6 30. Rb8 Rd8 31. Rxd8 Qxd8 32. Qh3 Qb6 33. Rd1 Qxa6 34. g3 Qe2 35. Rb1 Qxa2 36. Rb8 Qd5 37. Qf1 a5 38. Qb1 a4 39. Qa1 a3 40. Rb6 Qd8 41. Ra6 Qc8 42. Ra4 Qc6 43. Ra5 Nc5 44. Qc3 Qb6 45. Rxa3 Ne4 46. Qb3 Qf6 47. Ra8 Ng5 48. Qb8 Ne6 49. Qb1 Qf3 50. Qc2 Qxa8 51. Qd2 Qf3 52. Qc2 Ng5 53. Qd2 Nh3+ 54. Kf1 h5 55. Qd8 Qxf2# 0-1

[Event "Preinscritos IRT Online"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "3"]
[White "Roman Tapia, Ariana Alejandra"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1554"]
[BlackElo "1908"]
[PlyCount "52"]
[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 g6 2. d4 Bg7 3. Nf3 c5 4. Be3 Nc6 5. Bc4 Qb6 6. b3 cxd4 7. Bd2 Nf6 8. e5 Ng4 9. 0-0 Ngxe5 10. Nxe5 Nxe5 11. Re1 Nxc4 12. bxc4 d3 13. c3 0-0 14. Rxe7 d5 15. cxd5 Bf5 16. Re1 Rad8 17. Na3 Rxd5 18. Nc4 Qc7 19. Ne3 Rc5 20. h3 Rd8 21. Qb3 Be6 22. Qa3 b6 23. Rac1 Ra5 24. Qb4 Rxa2 25. Red1 a5 26. Qb5 Qc5 0-1

[Event "ECU Clasif2 U20"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "9"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Martinez Zambrano, Karina Paola"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1294"]
[BlackElo "1407"]
[PlyCount "109"]
[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. f4 e6 3. Nf3 a6 4. Nc3 Nc6 5. d4 cxd4 6. Nxd4 Be7 7. Be3 d6 8. Be2 Qc7 9. 0-0 Bd7 10. Bf3 Bf6 11. Nb3 Rc8 12. Qe2 b5 13. Rfd1 Nge7 14. Nd4 Nxd4 15. Bxd4 Bxd4+ 16. Rxd4 Nc6 17. Rd2 Qb6+ 18. Qf2 Qxf2+ 19. Kxf2 Ke7 20. Rad1 Rhd8 21. Rxd6 Be8 22. e5 f6 23. Rxd8 Rxd8 24. Rxd8 Kxd8 25. exf6 gxf6 26. a3 Nd4 27. Be4 f5 28. Bd3 Ke7 29. h3 Kd6 30. g4 fxg4 31. hxg4 Bg6 32. Bxg6 hxg6 33. Ne4+ Ke7 34. c3 Nc6 35. Nc5 a5 36. Ke3 b4 37. axb4 axb4 38. Ne4 bxc3 39. bxc3 e5 40. c4 exf4+ 41. Kxf4 Na5 42. Nd2 Kf6 43. Ne4+ Kg7 44. c5 Nc6 45. g5 Kf7 46. Nd6+ Ke6 47. Ke4 Nd8 48. Nb5 Nf7 49. Nd4+ Kd7 50. Nf3 Ke6 51. Kd4 Nd8 52. Ne5 Nb7 53. Nxg6 Kf5 54. Ne7+ Kxg5 55. c6 1-0

[Event "ECU Clasif2 U20"]
[Site "Chess.com INT"]
[Date "2020.12.18"]
[Round "8"]
[White "Jima Meza, Adams Gilbeth"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1/2-1/2"]
[ECO "B13"]
[BlackElo "1294"]
[PlyCount "139"]
[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. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nf3 Nc6 6. c5 Bg4 7. h3 Bxf3 8. Qxf3 Nxd4 9. Qd1 Nc6 10. Bb5 e5 11. Qa4 Qc7 12. 0-0 Bxc5 13. Re1 e4 14. Be3 Bxe3 15. Rxe3 0-0 16. Nc3 d4 17. Bxc6 dxe3 18. Bxe4 exf2+ 19. Kxf2 Qf4+ 20. Bf3 Qxa4 21. Nxa4 h6 22. Bxb7 Rab8 23. Bf3 Rfd8 24. Kg3 Nd5 25. Rd1 Nb6 26. Rxd8+ Rxd8 27. Nxb6 axb6 28. b3 Rd2 29. a3 Rb2 30. Bd5 Rd2 31. Bc4 Rb2 32. a4 Kf8 33. Kf4 Ke7 34. Ke5 f6+ 35. Kd5 Kd7 36. g4 Rh2 37. b4 Rxh3 38. a5 bxa5 39. bxa5 Rf3 40. Kc5 Ra3 41. Kb6 Kd6 42. a6 f5 43. gxf5 h5 44. a7 h4 45. Be2 h3 46. Bf1 h2 47. Bg2 Rb3+ 48. Ka6 Kc7 49. a8Q Ra3+ 50. Kb5 Rxa8 51. Bxa8 Kd6 52. Bg2 Ke5 53. Kc4 Kxf5 54. Kd3 Kf4 55. Ke2 Kg3 56. Kf1 g5 57. Bh1 g4 58. Bg2 Kf4 59. Bh1 g3 60. Bg2 Ke3 61. Bh1 Kf4 62. Bg2 Kg4 63. Bh1 Kh3 64. Bg2+ Kh4 65. Bh1 Kg4 66. Bg2 h1Q+ 67. Bxh1 Kh3 68. Bg2+ Kh2 69. Be4 g2+ 70. Bxg2 1/2-1/2

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "1"]
[White "Atiencia Merino, Jose Luis"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "C52"]
[WhiteElo "1191"]
[BlackElo "1294"]
[PlyCount "46"]
[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 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. Qb3 0-0 8. Ng5 Qe7 9. Ba3 d6 10. f4 Bb6+ 11. Kh1 Na5 12. Qa4 Nxc4 13. Qxc4 h6 14. fxe5 Qxe5 15. Nf3 Qxe4 16. Qb3 Be6 17. Qb2 Bg4 18. h3 Bxf3 19. Rxf3 Qe1+ 20. Kh2 Qg1+ 21. Kg3 Ne4+ 22. Kh4 Qxg2 23. Rf4 Qg5# 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "3"]
[White "Cajamarca Gordillo, Sebastian Alejandro"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1224"]
[BlackElo "1294"]
[PlyCount "87"]
[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 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Bg7 8. Nf3 Nbd7 9. Be2 Nxb6 10. 0-0 0-0 11. Nd2 a5 12. a4 Ba6 13. Nb5 Bxb5 14. Bxb5 Qc7 15. Qe2 Rfb8 16. Nc4 Nxc4 17. Qxc4 Nd7 18. Rb1 Nb6 19. Qc2 Rc8 20. Bd2 c4 21. Bc3 Bh6 22. Bd2 Bg7 23. Bc3 Bf8 24. Rbc1 e6 25. Rfd1 exd5 26. exd5 Qe7 27. Qd2 Qa7 28. Re1 Rc5 29. Bd4 Rxd5 30. Qc3 Rc8 31. Bxb6 Qxb6 32. Qf3 Rf5 33. Qe2 d5 34. Red1 Bc5 35. Rf1 Rd8 36. Rcd1 Rd6 37. Qd2 Rdf6 38. Qe2 Rxf2 39. Rxf2 Rxf2 40. Qe8+ Kg7 41. Qe5+ f6 42. Qe8 Re2+ 43. Kh1 Rxe8 44. h3 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "8"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Chiluisa Bautista, Matias Sebastian"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1294"]
[BlackElo "1233"]
[PlyCount "45"]
[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. g3 e5 2. Bg2 d5 3. c4 Be6 4. Qb3 Nd7 5. cxd5 Nc5 6. Qc4 Bd7 7. Nf3 e4 8. Nd4 a6 9. b4 b5 10. Qc2 Nb7 11. Qxe4+ Qe7 12. d6 Qxe4 13. Bxe4 c6 14. Nxc6 Bxd6 15. Na5 Nxa5 16. Bxa8 Nc4 17. a3 Nf6 18. Bg2 0-0 19. Nc3 Re8 20. d3 Ne5 21. 0-0 Bg4 22. Re1 Nxd3 23. Rd1 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "5"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Contreras Huaman, Fiorella Daiana"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1294"]
[BlackElo "1937"]
[PlyCount "73"]
[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. g3 d5 2. Bg2 Nf6 3. c4 c6 4. cxd5 cxd5 5. d3 Nc6 6. Nf3 Bg4 7. Nc3 e6 8. 0-0 Be7 9. e4 0-0 10. h3 Bh5 11. g4 Bg6 12. e5 Nd7 13. d4 Nb6 14. b3 Rc8 15. Bb2 h5 16. Ne1 hxg4 17. hxg4 f6 18. f4 fxe5 19. dxe5 Bc5+ 20. Kh2 Qh4+ 21. Bh3 Nxe5 22. Na4 Ned7 23. Nxc5 Nxc5 24. Nf3 Qh7 25. Ng5 Qh6 26. Rc1 Ne4 27. Nxe6 Rxc1 28. Qxc1 Rf7 29. f5 Qxc1 30. Rxc1 Bxf5 31. gxf5 Nd6 32. Be5 Nxf5 33. a4 Ne3 34. a5 Nd7 35. Rc8+ Nf8 36. Ng5 Rf2+ 37. Kg3 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "4"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Ulloa Centeno, Luis Manuel"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1294"]
[BlackElo "1180"]
[PlyCount "79"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Nf6 5. Bc4 Bf5 6. 0-0 e6 7. d4 c6 8. Bf4 Bd6 9. Be5 0-0 10. h3 Bxe5 11. Nxe5 Nd5 12. f4 Ne3 13. Qd2 Nxf1 14. Rxf1 f6 15. Nf3 b5 16. Bb3 a5 17. a4 b4 18. Ne2 Nd7 19. g4 Bg6 20. f5 Be8 21. fxe6 Kh8 22. exd7 Bxd7 23. Nh4 Qc7 24. Nf5 Rae8 25. Nf4 Bxf5 26. gxf5 Re4 27. Qf2 Rfe8 28. Qf3 Re3 29. Qg4 R8e4 30. Qh4 h6 31. Qg4 Qb8 32. Kg2 Qd6 33. Rf3 Rxf3 34. Kxf3 Qxd4 35. Ng6+ Kh7 36. Qxe4 Qd1+ 37. Qe2 Qh1+ 38. Qg2 Qd1+ 39. Kg3 Qd6+ 40. Nf4 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "2"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Villagomez Martinez, Heidy Arelys"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1294"]
[BlackElo "1289"]
[PlyCount "89"]
[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. g3 d5 2. Bg2 e5 3. c4 Nf6 4. Nc3 Be6 5. Qb3 Nbd7 6. cxd5 Bf5 7. e4 Bg6 8. d3 Bc5 9. Nf3 0-0 10. 0-0 Rb8 11. Bg5 h6 12. Bxf6 Qxf6 13. Rac1 Bh5 14. Nh4 g5 15. Nf5 Bg4 16. Na4 b6 17. Ne3 Bf3 18. Bxf3 Qxf3 19. Qd1 Qf6 20. Nxc5 Nxc5 21. Rxc5 bxc5 22. b3 Qg6 23. Nf5 Rfe8 24. Kg2 Rb6 25. Rh1 g4 26. h4 h5 27. f3 gxf3+ 28. Qxf3 Rf6 29. Kf2 Ree6 30. Rg1 Kh7 31. dxe6 Rxe6 32. g4 hxg4 33. Rxg4 Qf6 34. Rg7+ Qxg7 35. Nxg7 Kxg7 36. Ke3 Rf6 37. Qg3+ Kf8 38. Qxe5 Re6 39. Qxc5+ Kg7 40. Qxc7 Kf6 41. d4 Kg7 42. e5 Rh6 43. d5 Rh5 44. e6 Rf5 45. e7 1-0

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "7"]
[White "Guzman, Diego"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1774"]
[BlackElo "1294"]
[PlyCount "62"]
[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 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Nbd7 7. e4 g6 8. Nf3 Bg7 9. Nd2 0-0 10. a4 a5 11. Bb5 Nxb6 12. Bc6 Rb8 13. Nb5 Bd7 14. Bxd7 Qxd7 15. Qc2 Rfc8 16. Nc4 Nxc4 17. Qxc4 Ng4 18. 0-0 Ne5 19. Qc2 c4 20. Bd2 Nd3 21. Bc3 Bf8 22. Rfd1 h5 23. Bxa5 h4 24. Bc3 h3 25. f3 hxg2 26. Qxg2 Bh6 27. Nd4 Be3+ 28. Kh1 Nf2+ 29. Kg1 Nxd1+ 30. Kh1 Nf2+ 31. Kg1 Nxe4+ 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "6"]
[White "Parra Gonzales, Andre Leonardo"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1118"]
[BlackElo "1294"]
[PlyCount "106"]
[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 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Nc6 5. Nf3 cxd4 6. Nxd4 Nf6 7. f3 0-0 8. Qd2 d6 9. 0-0-0 Nxd4 10. Bxd4 a6 11. Kb1 b5 12. Nd5 Nxd5 13. Bxg7 Kxg7 14. exd5 h5 15. Qd4+ f6 16. c4 bxc4 17. Bxc4 Bf5+ 18. Bd3 Bxd3+ 19. Rxd3 Rc8 20. Re1 Rc5 21. Qe4 Rf7 22. a3 Qc7 23. Qe3 Rc2 24. Rc1 Rxc1+ 25. Qxc1 Qa5 26. Qc3 Qb5 27. Ka2 Rf8 28. Qb3 Rb8 29. Qxb5 Rxb5 30. a4 Rb4 31. Ka3 Rh4 32. h3 Rc4 33. Rc3 Rd4 34. Rc6 a5 35. Rc7 Kf7 36. Rc2 Rxd5 37. b4 Rd3+ 38. Kb2 axb4 39. Rc4 Rd2+ 40. Kb3 Rxg2 41. Kxb4 Rg3 42. Rc3 Rxh3 43. a5 Rh4+ 44. Kb5 Rd4 45. a6 Rd1 46. Ra3 Rb1+ 47. Kc6 Rc1+ 48. Kb7 h4 49. a7 h3 50. Ra2 Rb1+ 51. Kc7 h2 52. Rxh2 Ra1 53. Kb7 Rb1+ 0-1

[Event "ECU Clasif1 U13"]
[Site "Chess.com INT"]
[Date "2020.12.17"]
[Round "9"]
[White "Vasquez Zambrano, Luis Fabricio"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1414"]
[BlackElo "1294"]
[PlyCount "99"]
[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 g6 2. Nf3 Bg7 3. d4 c5 4. Bc4 Nc6 5. Be3 Qb6 6. d5 Qxb2 7. dxc6 Qxa1 8. cxd7+ Bxd7 9. Bxc5 Nf6 10. Bd4 Qxd4 11. Nxd4 Nxe4 12. f3 Nd6 13. Bb3 0-0 14. 0-0 Rad8 15. Re1 Bb5 16. c3 Nf5 17. Nxb5 Rxd1 18. Rxd1 a6 19. Nc7 e6 20. g4 Nh4 21. Kf2 Rc8 22. Nxe6 Re8 23. Rd8 Rxd8 24. Nxd8 b5 25. Kg3 g5 26. Nxf7 Kf8 27. Nxg5 Ng6 28. Nxh7+ Ke7 29. Ng5 Be5+ 30. Kg2 a5 31. Bc2 Nf4+ 32. Kf2 Kd6 33. Ne4+ Kc6 34. Nbd2 Bxc3 35. Nxc3 b4 36. Nce4 Nd5 37. Nb3 Kb5 38. Ke2 a4 39. Nc1 Kc4 40. Bd3+ Kd4 41. Kd2 Nf4 42. Ne2+ Nxe2 43. Kxe2 a3 44. h4 b3 45. Bb1 Kc4 46. h5 Kd4 47. h6 Kc4 48. h7 bxa2 49. Bxa2+ Kd4 50. h8Q# 1-0

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "4"]
[White "Bedon Palacios, Kevin David"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1086"]
[BlackElo "1294"]
[PlyCount "94"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Nc6 5. d5 Nd4 6. Nb5 Nxb5 7. Bxb5 Qa5+ 8. c3 Qxb5 9. Bf4 d6 10. Qc2 Nf6 11. c4 Qa5+ 12. Bd2 Qb6 13. h4 Bg4 14. Ng1 h5 15. f3 Bd7 16. Ne2 a5 17. Nf4 a4 18. 0-0 0-0 19. Kh1 a3 20. b3 Rfe8 21. Rg1 e5 22. Nh3 Bxh3 23. gxh3 Qc7 24. Rg2 Qd7 25. Kh2 Nh7 26. Rag1 Nf8 27. f4 exf4 28. Bxf4 Qe7 29. Re2 Rad8 30. Qd3 Qxh4 31. Bg5 Be5+ 32. Kh1 Qxg5 33. Rxg5 Nh7 34. Rg1 Nf6 35. Qf3 Bd4 36. Rge1 Nh7 37. Rb1 Re5 38. b4 b6 39. bxc5 Bxc5 40. Rbe1 Rde8 41. Rf1 Ng5 42. Qf6 R8e7 43. h4 Nxe4 44. Qf3 Ng3+ 45. Qxg3 Rxe2 46. Ra1 R7e3 47. Qg5 Re4 0-1

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "8"]
[White "Chiluisa Bautista, Matias Sebastian"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1233"]
[BlackElo "1294"]
[PlyCount "68"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Nc6 5. Nge2 Nf6 6. f3 cxd4 7. Nxd4 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. exd5 cxd5 11. g4 e5 12. Bf2 d4 13. Ne2 Bb7 14. Bg2 Nxg4 15. fxg4 Bxg2 16. Rg1 Bf3 17. h4 Rc8 18. g5 Qb6 19. b3 Bxe2 20. Qxe2 Rc3 21. Rc1 Rfc8 22. Rh1 Qc6 23. Rh2 d3 24. Qd2 Rxc2 25. Rxc2 dxc2 26. Qc1 Qe4+ 27. Kf1 Qf4 28. Qxf4 exf4 29. Bxa7 c1Q+ 30. Kg2 Rc2+ 31. Bf2 Bd4 32. Kf3 Rxf2+ 33. Rxf2 Qe3+ 34. Kg4 Qg3# 0-1

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "3"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Gonzalez Gonzalez, Diego Ezequiel"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1294"]
[PlyCount "121"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nf6 6. d4 Nc6 7. Nf3 Bd7 8. 0-0 Bd6 9. Bg5 h6 10. Bxf6 Qxf6 11. e4 dxe4 12. Nxe4 Qe7 13. Nxd6+ Qxd6 14. Re1 0-0 15. Ne5 Nxe5 16. dxe5 Qxd1 17. Raxd1 Bc6 18. Bxc6 bxc6 19. Rd6 Rfc8 20. Rc1 Rab8 21. b3 Rb6 22. Kf1 a5 23. Ke2 Kf8 24. Kd3 Ke7 25. f4 f6 26. Kd4 c5+ 27. Rxc5 Rxc5 28. Kxc5 Rxd6 29. exd6+ Kd7 30. a3 e5 31. fxe5 fxe5 32. Kd5 e4 33. Kxe4 Kxd6 34. Kf5 Kc5 35. b4+ axb4 36. axb4+ Kxb4 37. Kg6 Kc5 38. Kxg7 Kd5 39. Kxh6 Ke5 40. Kg5 Ke6 41. Kg6 Ke7 42. Kg7 Ke6 43. Kg6 Ke7 44. h4 Kf8 45. Kh7 Kf7 46. g4 Kf8 47. g5 Kf7 48. g6+ Kf6 49. g7 Kf5 50. g8Q Ke4 51. Qc4+ Kf3 52. Qe6 Kf2 53. Qe4 Kg3 54. h5 Kh2 55. Qf3 Kg1 56. Qe2 Kh1 57. Kg6 Kg1 58. Kf5 Kh1 59. Kg4 Kg1 60. Kg3 Kh1 61. Qh2# 1-0

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "9"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Ortiz Pilco, Carlos Alberto"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "1294"]
[BlackElo "1295"]
[PlyCount "66"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e6 3. c4 Nf6 4. cxd5 exd5 5. Nc3 c6 6. d4 Bd6 7. Nf3 0-0 8. 0-0 Nbd7 9. Bg5 h6 10. Bxf6 Nxf6 11. Re1 Re8 12. Qc2 Bg4 13. e4 dxe4 14. Nxe4 Nxe4 15. Rxe4 Bxf3 16. Bxf3 Rxe4 17. Qxe4 Qe7 18. Qd3 Rd8 19. Qc3 Qf6 20. Re1 Bf8 21. Rd1 g6 22. Kg2 Bg7 23. Qb4 Rxd4 24. Rxd4 Qxd4 25. Qxb7 Qxb2 26. Qxc6 Qxa2 27. Bd5 Qe2 28. Qe8+ Qxe8 29. Bf3 a5 30. Bd5 a4 31. h4 a3 32. Kh2 Qe2 33. Kg2 a2 0-1

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "5"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Quezada Pauker, Katheen Gabriela"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1294"]
[BlackElo "1498"]
[PlyCount "139"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. d3 Nf6 6. e4 0-0 7. Nge2 d6 8. 0-0 Bd7 9. f4 a6 10. f5 Ne5 11. h3 Rb8 12. g4 b5 13. cxb5 axb5 14. g5 Ne8 15. Nd5 Bc6 16. Ne3 f6 17. h4 Qd7 18. Ng3 e6 19. Qb3 c4 20. dxc4 b4 21. Bd2 Ba4 22. fxe6 Qc6 23. Nd5 Bxb3 24. Ne7+ Kh8 25. Nxc6 Nxc6 26. axb3 Nd4 27. Ra7 Nxe6 28. Be3 fxg5 29. hxg5 Rxf1+ 30. Bxf1 Nxg5 31. Rxg7 Kxg7 32. Bxg5 Nf6 33. Bd3 Ng4 34. Kg2 Ne5 35. Bc2 Ra8 36. Be3 Ra2 37. Bd4 Ra1 38. Ne2 Ra6 39. Nf4 Kf7 40. Nd5 Nc6 41. Be3 Ra2 42. Bc1 Ra1 43. Bd2 Ra2 44. Bc1 Nd4 45. Nxb4 Ra1 46. Be3 Nxc2 47. Nxc2 Ra2 48. Bd4 Ke6 49. Ne3 Ra1 50. Kf3 h5 51. Ng2 Rf1+ 52. Ke2 Rh1 53. Nf4+ Kf7 54. b4 g5 55. Nd3 g4 56. e5 dxe5 57. Nxe5+ Ke6 58. Kf2 Kd6 59. c5+ Kd5 60. Bc3 Rh2+ 61. Kg3 Rh1 62. c6 Kd6 63. b5 Kc7 64. Nc4 Rd1 65. Be5+ Kc8 66. Nb6+ Kd8 67. c7+ Ke7 68. c8Q Kf7 69. Qf5+ Ke7 70. Nc8+ 1-0

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "1"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Sanchez Velez, Alex Leonardo"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1294"]
[PlyCount "55"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. c4 Bg7 4. Nc3 0-0 5. Nf3 d6 6. d4 c6 7. 0-0 Bd7 8. e4 Na6 9. Re1 Nc7 10. a3 d5 11. cxd5 cxd5 12. e5 Nfe8 13. h4 Ne6 14. h5 gxh5 15. Ng5 Qb6 16. Nxe6 Bxe6 17. Qxh5 Qxd4 18. Bf4 Rc8 19. Rad1 Qb6 20. Nxd5 Bxd5 21. Bxd5 Qxb2 22. Bh6 Qxa3 23. Bxg7 Nxg7 24. Qg5 e6 25. Be4 Rc7 26. g4 Qh3 27. Re3 Rc1 28. Rxc1 1-0

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "7"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Ubilluz Pena, Jaiden Andres"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1294"]
[BlackElo "1324"]
[PlyCount "125"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 e6 6. e4 Nge7 7. Nge2 0-0 8. 0-0 f5 9. f4 a6 10. e5 Rb8 11. d4 cxd4 12. Nxd4 b5 13. c5 b4 14. Nce2 Bb7 15. Be3 Nxd4 16. Nxd4 Bxg2 17. Kxg2 Nd5 18. Bf2 Qc7 19. Rc1 Qb7 20. Kg1 Rfc8 21. Qa4 Bf8 22. c6 dxc6 23. Nxe6 c5 24. Nxf8 Kxf8 25. Bxc5+ Rxc5 26. Rxc5 Qb6 27. Rfc1 Nc3 28. Qc6 Qxc6 29. Rxc6 Ne2+ 30. Kf2 Nxc1 31. Rxc1 Rb6 32. Ke3 b3 33. a3 h6 34. Kd4 Ke7 35. Kd5 Rb5+ 36. Rc5 Rb7 37. Rc6 Rb5+ 38. Kc4 g5 39. Rxh6 gxf4 40. gxf4 Rb8 41. Rxa6 Rc8+ 42. Kxb3 Rb8+ 43. Ka2 Rh8 44. Rf6 Rxh2 45. Rxf5 Ke6 46. Rf6+ Ke7 47. a4 Rd2 48. Rd6 Rf2 49. a5 Rxf4 50. a6 Ra4+ 51. Kb3 Ra5 52. Kb4 Ra2 53. b3 Ra1 54. Kb5 Ra3 55. b4 Re3 56. Rd5 Ra3 57. Rc5 Kd7 58. Kb6 Ra1 59. a7 Ra4 60. b5 Ra1 61. Kb7 Ra5 62. a8Q Rxa8 63. Kxa8 1-0

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "2"]
[White "Montano Velasco, Matias Khaleb"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "1354"]
[BlackElo "1294"]
[PlyCount "73"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. Nf3 0-0 7. 0-0 e6 8. Rb1 d5 9. a3 d4 10. Na2 e5 11. b4 cxb4 12. Nxb4 Re8 13. Nxc6 bxc6 14. Nd2 Qc7 15. Qa4 Bd7 16. c5 Reb8 17. Bb2 Bg4 18. Rfe1 Bf8 19. Bxc6 Bd7 20. Bxd7 Nxd7 21. c6 Nc5 22. Qc2 Qxc6 23. Rec1 Qe6 24. Nc4 Rc8 25. Ba1 Nd7 26. Qa4 Nb6 27. Qa6 Rc6 28. Qb7 Rac8 29. Qxa7 Nxc4 30. dxc4 Rxc4 31. Bb2 Qd5 32. Qa6 e4 33. Rxc4 Rxc4 34. Rd1 Rc2 35. Bxd4 Rxe2 36. Qf6 Bh6 37. Qh8# 1-0

[Event "ECU-ch Schools U13 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.20"]
[Round "6"]
[White "Morales Risco, Hugo Alexander"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1313"]
[BlackElo "1294"]
[PlyCount "78"]
[EventDate "2020.11.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Qa5 5. Bd2 Qxc5 6. Nd5 Na6 7. Bxa6 bxa6 8. Rb1 Nf6 9. Nxf6+ Bxf6 10. Nf3 0-0 11. Be3 Qc6 12. e5 Bg7 13. 0-0 d6 14. exd6 exd6 15. c3 Bg4 16. Nd4 Bxd1 17. Nxc6 Bc2 18. Rbc1 Be4 19. Nd4 Rab8 20. b3 Rfc8 21. f3 Bd5 22. c4 Be6 23. Nxe6 fxe6 24. Bxa7 Rb7 25. Bf2 a5 26. Rcd1 Bf8 27. Bg3 e5 28. f4 exf4 29. Bxf4 Rd7 30. Rd5 a4 31. Rfd1 axb3 32. axb3 Rb7 33. Bxd6 Rxb3 34. Bxf8 Kxf8 35. Rd8+ Rxd8 36. Rxd8+ Ke7 37. Rc8 Rc3 38. Kf2 Kd7 39. Rd8+ Kxd8 0-1

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "9"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Machaalani Villon, Gilbert Michel"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1294"]
[BlackElo "1228"]
[PlyCount "147"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Bf5 3. c4 dxc4 4. Na3 c6 5. Nxc4 e6 6. Nf3 Bc5 7. d4 Bd6 8. 0-0 Nf6 9. Re1 Bg6 10. Bg5 Nbd7 11. e4 Be7 12. Bxf6 Bxf6 13. Nd6+ Ke7 14. e5 Bxe5 15. dxe5 Nxe5 16. Nxe5 Qxd6 17. Qxd6+ Kxd6 18. Rad1+ Kc7 19. Rd7+ Kb6 20. Re3 Rad8 21. Bf1 Rxd7 22. Nxd7+ Kc7 23. Ne5 Rd8 24. Nxg6 hxg6 25. h4 Rd2 26. Rb3 a5 27. a4 Rd4 28. Ra3 Rb4 29. Rf3 f5 30. b3 Rd4 31. Bc4 Kd6 32. Re3 e5 33. f4 exf4 34. Re6+ Kd7 35. Rxg6 fxg3 36. Rxg7+ Kd6 37. h5 f4 38. h6 f3 39. Rxg3 Rd1+ 40. Kf2 Rh1 41. Rg6+ Kc5 42. Kxf3 Kb4 43. Bg8 Rf1+ 44. Ke2 Rh1 45. h7 Kc3 46. Kf3 Kd4 47. Rg3 Rh6 48. Rg7 Ke5 49. Rxb7 Kf6 50. Rc7 Kg5 51. Ra7 Rf6+ 52. Kg3 Rh6 53. Rxa5+ Kf6 54. Rc5 Ke7 55. b4 Kf8 56. b5 cxb5 57. axb5 Kg7 58. Rc6 Rh1 59. b6 Rb1 60. Kf4 Kh8 61. Ke5 Rb2 62. Kd6 Rb1 63. Kc7 Rb2 64. b7 Rg2 65. b8Q Rg6 66. Bf7+ Kg7 67. Qg8+ Kh6 68. h8Q+ Kg5 69. Qxg6+ Kf4 70. Qd4+ Kf3 71. Qge4+ Kg3 72. Qee3+ Kg2 73. Rc2+ Kh1 74. Bd5# 1-0

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "6"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Obaco Cuenca, Dalthon Farid"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1294"]
[BlackElo "1309"]
[PlyCount "100"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. c4 e6 4. cxd5 exd5 5. Nc3 Bf5 6. d3 Bb4 7. a3 Ba5 8. b4 Bb6 9. Nf3 0-0 10. Na4 Nbd7 11. Nxb6 axb6 12. 0-0 Re8 13. Bf4 c5 14. Re1 Nh5 15. Bd2 Nhf6 16. Qb3 Qc7 17. Rac1 Rac8 18. Bf4 Qd8 19. Bd6 Nf8 20. bxc5 bxc5 21. Bxc5 Ne6 22. Bb4 Qb6 23. Nd2 Nd4 24. Qb2 Nxe2+ 25. Rxe2 Rxc1+ 26. Qxc1 Rxe2 27. Bc5 Qc6 28. Nb3 Re8 29. Nd4 Qd7 30. Nxf5 Qxf5 31. d4 h6 32. Bf1 Ne4 33. Qc2 Qe6 34. Bd3 Nxc5 35. dxc5 Qe1+ 36. Kg2 Qe6 37. Bf5 Qc6 38. Qd3 d4+ 39. f3 Qxc5 40. Be4 Qc3 41. Qb5 Rc8 42. Qd7 Rf8 43. Qf5 g6 44. Qf4 Qb2+ 45. Kh3 Qc3 46. Qxh6 d3 47. Bd5 Qf6 48. Qd2 Qf5+ 49. g4 Qxd5 50. Kg3 Re8 0-1

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "8"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Ubilluz Pena, Jaiden Andres"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1294"]
[BlackElo "1324"]
[PlyCount "68"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 e6 6. e4 Nge7 7. Nge2 0-0 8. 0-0 f5 9. f4 d6 10. Be3 Nd4 11. Kh1 a6 12. Rb1 Bd7 13. a3 b5 14. b4 Nxe2 15. Nxe2 Qc7 16. cxb5 axb5 17. e5 Bc6 18. exd6 Bxg2+ 19. Kxg2 Qxd6 20. bxc5 Qd5+ 21. Kg1 Qc6 22. d4 Nd5 23. Bf2 Rxa3 24. Rb3 Rfa8 25. Nc1 Nc3 26. Qc2 Ne4 27. Be3 R3a4 28. Rd1 h5 29. Qe2 Ra1 30. Qb2 R8a2 31. Nxa2 Rxd1+ 32. Kg2 Ng5+ 33. d5 Qxd5+ 34. Kf2 Qf3# 0-1

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "2"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Vallejo Chavez, Francisco Paul"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1294"]
[BlackElo "1061"]
[PlyCount "78"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c4 Nf6 4. Nc3 c6 5. cxd5 cxd5 6. d4 e4 7. Bg5 Be7 8. Bxf6 Bxf6 9. e3 Nc6 10. Nge2 Bd7 11. Nxd5 Bf5 12. Nxf6+ Qxf6 13. Nc3 0-0 14. Nxe4 Bxe4 15. Bxe4 Rfe8 16. Bxc6 Qxc6 17. 0-0 Rad8 18. Rc1 Qe4 19. Qc2 Qf3 20. Rfd1 Rd6 21. Rd3 Rc6 22. Rc3 Rec8 23. Qb3 h5 24. Qxb7 R8c7 25. Qb3 Rb6 26. Qc2 Rxc3 27. bxc3 h4 28. Qd1 Qe4 29. Qh5 Rh6 30. Qe5 Qf3 31. Qf4 Qd5 32. c4 Qb7 33. d5 Qb2 34. Re1 Rf6 35. Qxh4 Qxf2+ 36. Kh1 Qxe1+ 37. Kg2 Qf2+ 38. Kh3 Qf1+ 39. Kg4 Qf5# 0-1

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "4"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Villon Rodriguez, Diego"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1294"]
[PlyCount "109"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c4 c6 4. cxd5 cxd5 5. d4 exd4 6. Nf3 Nf6 7. Nxd4 g6 8. Nc3 Bg7 9. 0-0 0-0 10. Be3 Re8 11. Bg5 h6 12. Bxf6 Bxf6 13. Nxd5 Bg7 14. e4 b6 15. Nb3 Bxb2 16. Rb1 Bg7 17. Ne3 Bb7 18. Qxd8 Rxd8 19. Rfd1 Re8 20. Nd5 Na6 21. Bf1 Rxe4 22. Bxa6 Bxa6 23. Nc7 Be2 24. Nxa8 Bxd1 25. Rxd1 Be5 26. f4 Bc3 27. Nc7 Rc4 28. Nd5 b5 29. Nxc3 Rxc3 30. Rd7 a6 31. Ra7 Rc2 32. Rxa6 b4 33. Ra4 Kg7 34. Rxb4 Rxa2 35. Nd4 Ra1+ 36. Kg2 g5 37. fxg5 hxg5 38. g4 Ra2+ 39. Kg3 Ra3+ 40. Rb3 Ra1 41. Nf5+ Kg6 42. Ne3 Rg1+ 43. Ng2 Rc1 44. h4 Rh1 45. hxg5 Kxg5 46. Rb5+ Kg6 47. Nf4+ Kg7 48. g5 Rg1+ 49. Kf3 Rf1+ 50. Kg4 Rg1+ 51. Kf5 Rh1 52. Rb7 Rc1 53. g6 Rc5+ 54. Kg4 Rc1 55. Rxf7+ 1-0

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "1"]
[White "Macias Chavez, Felipe"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B27"]
[BlackElo "1294"]
[PlyCount "92"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. dxc5 Qa5+ 5. Bd2 Qxc5 6. Nc3 Nf6 7. Bd3 Nc6 8. 0-0 d6 9. a3 0-0 10. Be3 Qa5 11. b4 Qc7 12. Ra2 Be6 13. Ra1 Ng4 14. Bd2 Nce5 15. Nb5 Qd7 16. Nbd4 Nxd3 17. cxd3 d5 18. Nxe6 Qxe6 19. Rc1 dxe4 20. Ng5 Qd7 21. dxe4 Rad8 22. Rc2 Nf6 23. Re1 h6 24. Nf3 Qd3 25. e5 Ne4 26. Re2 e6 27. Qc1 g5 28. Be3 Qd1+ 29. Qxd1 Rxd1+ 30. Re1 Rxe1+ 31. Nxe1 Bxe5 32. Bxa7 f5 33. Bc5 Ra8 34. b5 Nxc5 35. Rxc5 Bd6 36. Rc1 Rxa3 37. Nf3 Kf7 38. Nd4 b6 39. g3 Bc5 40. Nc2 Ra2 41. Ne3 Rb2 42. Nd1 Rxb5 43. Nc3 Rb2 44. Na4 Bxf2+ 45. Kf1 Rd2 46. Rc7+ Kf6 0-1

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "7"]
[White "Nagua Valladares, Kevin Joel"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1084"]
[BlackElo "1294"]
[PlyCount "122"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 c5 4. Nf3 Nc6 5. c3 cxd4 6. cxd4 d5 7. e5 Bg4 8. Be2 Bxf3 9. Bxf3 e6 10. Nc3 Nge7 11. Be2 Nf5 12. Bg4 Nxe3 13. fxe3 Qg5 14. Qe2 h5 15. Bf3 0-0 16. 0-0 a6 17. a3 Rac8 18. Rac1 Na5 19. Na2 b5 20. Nb4 Nc4 21. Nxa6 Nxe3 22. Rfe1 Nf5 23. Qd3 Rc4 24. Rxc4 bxc4 25. Qc3 Qf4 26. Rd1 Ra8 27. Nc7 Rb8 28. Na6 Rb3 29. Qd2 Bh6 30. Qxf4 Bxf4 31. g3 Be3+ 32. Kf1 Nxd4 33. Be2 Rxb2 34. Re1 c3 35. Nb4 Rb3 36. Nd3 Rxa3 37. Nc1 c2 38. g4 hxg4 39. Bxg4 Ra1 40. Nd3 Rxe1+ 41. Kxe1 c1Q+ 42. Nxc1 Bxc1 43. Kf2 Bf4 44. h3 Bxe5 45. Bd1 f5 46. Ke3 g5 47. Kf2 Kg7 48. Kg2 Kh6 49. Kf2 f4 50. Kg2 Nf5 51. Kf3 Ne3 52. Be2 Bf6 53. Ba6 e5 54. Bb7 e4+ 55. Ke2 Bd4 56. Bc8 f3+ 57. Ke1 Nc4 58. Bb7 f2+ 59. Kf1 e3 60. Bxd5 Nd2+ 61. Ke2 f1Q# 0-1

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "5"]
[White "Ortiz Pilco, Carlos Alberto"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1295"]
[BlackElo "1294"]
[PlyCount "92"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Nd7 6. e4 Ngf6 7. Bd3 0-0 8. 0-0 a6 9. Bd2 b5 10. cxb5 axb5 11. Bxb5 Ba6 12. Bxa6 Rxa6 13. Qe2 Qb6 14. Rab1 Rfa8 15. a3 Ng4 16. h3 Nge5 17. Nxe5 Nxe5 18. f4 Nd7 19. Kh1 Qb3 20. Qd1 Qxd1 21. Rfxd1 Rb8 22. Kg1 Rb3 23. Kf2 c4 24. Ke2 Nc5 25. Rdc1 Bxc3 26. Rxc3 Rxc3 27. Bxc3 Nxe4 28. Ke3 Nxc3 29. bxc3 Rxa3 30. Kd4 Ra2 31. g4 Rh2 32. Rb7 Rxh3 33. Kxc4 Re3 34. Rd7 Kg7 35. Kb5 Kf6 36. c4 Re4 37. g5+ Kf5 38. c5 dxc5 39. Kxc5 Kxf4 40. Rd8 Kxg5 41. Rh8 h5 42. Rf8 Kf6 43. Rb8 Re5 44. Rb6+ e6 45. Rd6 Rxd5+ 46. Rxd5 exd5 0-1

[Event "ECU-ch Schools U13 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.18"]
[Round "3"]
[White "Revelo Montenegro, Christopher Isaac"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1044"]
[BlackElo "1294"]
[PlyCount "42"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 Nc6 5. e3 cxd4 6. exd4 Nf6 7. Nbd2 d6 8. h3 0-0 9. Be2 Re8 10. 0-0 e5 11. dxe5 dxe5 12. Bh2 Bf5 13. Nc4 e4 14. Nfd2 Re6 15. Ne3 Ne7 16. Nxf5 Nxf5 17. Bg4 e3 18. fxe3 Nxg4 19. Qxg4 Nxe3 20. Qe2 Nxf1 21. Qxf1 Qxd2 0-1

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "6"]
[White "Chiluisa Bautista, Matias Sebastian"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1233"]
[BlackElo "1294"]
[PlyCount "165"]
[EventDate "2020.11.07"]
[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 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Nc6 5. Nge2 Nf6 6. f3 cxd4 7. Nxd4 0-0 8. Qd2 Nxd4 9. Bxd4 d6 10. g4 a6 11. h4 b5 12. h5 b4 13. Nd1 a5 14. Bxf6 exf6 15. Qh2 h6 16. Bc4 Qc7 17. Bd5 Bb7 18. Ne3 Bxd5 19. Nxd5 Qb7 20. Qxd6 Rad8 21. Nxf6+ Kh8 22. Qf4 g5 23. Qf5 Bxf6 24. Qxf6+ Kh7 25. Qf5+ Kg7 26. Rh2 Qc7 27. Re2 Rd4 28. e5 Rf4 29. Qd3 Rd8 30. Qe3 Qc6 31. e6 Rxf3 32. Qe5+ f6 33. e7 Re8 34. Qe4 Qxe4 35. Rxe4 Kf7 36. Ke2 Rh3 37. Rf1 Rxe7 38. Rxe7+ Kxe7 39. Rf5 Rh2+ 40. Kd3 Rg2 41. Rxa5 Rxg4 42. Ra7+ Ke6 43. Ra6+ Kf5 44. Ra5+ Kf4 45. Rb5 Kg3 46. Rf5 Kh4 47. Rxf6 Kxh5 48. Ke3 Rg2 49. Rc6 Rg4 50. a3 bxa3 51. bxa3 Ra4 52. Rc3 Kg4 53. Kf2 h5 54. Rg3+ Kh4 55. Kg2 g4 56. Rd3 Ra5 57. c4 Ra4 58. c5 Rc4 59. Rd5 Rc2+ 60. Kf1 Rc3 61. a4 Rc4 62. a5 Kg3 63. Rxh5 Ra4 64. c6 Ra1+ 65. Ke2 Rc1 66. Rh6 Kg2 67. Rg6 g3 68. a6 Rc2+ 69. Kd3 Ra2 70. c7 Ra3+ 71. Ke4 Ra4+ 72. Kd3 Ra3+ 73. Kc2 Kf2 74. c8Q Rf3 75. Rg4 g2 76. Qc5+ Kf1 77. Qc4+ Kf2 78. Qd4+ Kf1 79. Rf4 g1N 80. Rxf3+ Nxf3 81. Qf4 Ke2 82. Qxf3+ Kxf3 83. a7 1-0

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "5"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Chilan Villa, Andres Jesus"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1294"]
[BlackElo "1493"]
[PlyCount "70"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. c4 d5 4. Nc3 d4 5. Nd5 Bg7 6. Nxf6+ Bxf6 7. d3 0-0 8. Nf3 c5 9. Bh6 Bg7 10. Bxg7 Kxg7 11. h4 Bg4 12. Qd2 Nc6 13. Qg5 e5 14. Qxg4 f5 15. Qh5 Qa5+ 16. Kf1 gxh5 17. Bh3 e4 18. Ng5 Rf6 19. dxe4 fxe4 20. Nxe4 Rf7 21. Ng5 Re7 22. Kg2 Rxe2 23. a3 Qd2 24. Rhf1 Ne5 25. Rad1 Qxb2 26. Rb1 Qa2 27. Rxb7+ Kg6 28. Ne6 Ng4 29. Nf4+ Kh6 30. Nxe2 Qxe2 31. Rf7 Qxc4 32. Rf5 Qc2 33. Rd5 Ne3+ 34. Kf3 Nxd5 35. Re1 Qc3+ 0-1

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "9"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Lainez Reyes, Isaac William"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1294"]
[BlackElo "1451"]
[PlyCount "78"]
[EventDate "2020.11.07"]
[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 d6 3. Nc3 Nf6 4. Bc4 g6 5. 0-0 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. Be3 Nc6 9. f4 Bd7 10. h3 Nxd4 11. Bxd4 Qc8 12. Bb3 b5 13. a4 b4 14. Bxf6 Bxf6 15. Nd5 Re8 16. Nxf6+ exf6 17. f5 Rxe4 18. fxg6 hxg6 19. Rxf6 Qc5+ 20. Kh1 Qg5 21. Rxf7 Be6 22. Bxe6 Rxe6 23. Rf3 Rae8 24. Qd3 Re2 25. Rg3 Qe5 26. Qxg6+ Kf8 27. Rf1+ Ke7 28. Qf7+ Kd8 29. Qxa7 Qxg3 30. Qa8+ Kd7 31. Rf7+ R8e7 32. Qb7+ Ke8 33. Rxe7+ Rxe7 34. Qc8+ Kf7 35. Qf5+ Ke8 36. Qc8+ Kf7 37. Qf5+ Kg7 38. Qd3 Re1+ 39. Qf1 Rxf1# 0-1

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "3"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "NN"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1294"]
[PlyCount "82"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 Nf6 4. Nc3 d6 5. d3 0-0 6. Nf3 c5 7. Kf1 Nc6 8. h4 Nh5 9. Nd5 a6 10. Nf4 Nxf4 11. Bxf4 h5 12. Qd2 b5 13. cxb5 axb5 14. Bh6 Bg4 15. Bxg7 Kxg7 16. Nh2 Bd7 17. Nf3 e5 18. a3 Ra4 19. Ng5 Qa5 20. Qc1 Nd4 21. Qc3 Qb4 22. axb4 Rxa1+ 23. Qe1 Rxe1+ 24. Kxe1 Rc8 25. bxc5 Rxc5 26. e3 Rc1+ 27. Kd2 Nb3+ 28. Ke2 Bg4+ 29. f3 Rc2+ 30. Kf1 Bf5 31. e4 Bd7 32. f4 Rxb2 33. fxe5 dxe5 34. Nf3 Nd2+ 35. Ke1 Nxf3+ 36. Bxf3 Bg4 37. Bxg4 hxg4 38. Kf1 Rb1+ 39. Kg2 Rxh1 40. Kxh1 b4 41. Kg2 b3 0-1

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "7"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Villon Rodriguez, Diego"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1294"]
[PlyCount "92"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c4 c6 4. cxd5 cxd5 5. d4 exd4 6. Nf3 Nf6 7. Bg5 g6 8. Qxd4 Bg7 9. Nc3 Nc6 10. Qd2 0-0 11. h4 Qb6 12. h5 Ng4 13. 0-0-0 Nxf2 14. hxg6 Nxh1 15. Rxh1 fxg6 16. Bh6 Bf5 17. Bxg7 Kxg7 18. Qh6+ Kf7 19. Ng5+ Ke8 20. Nxd5 Qc5+ 21. Kd1 Qc2+ 22. Ke1 Qc1+ 23. Kf2 Bg4+ 24. Bf3 Qc5+ 25. Kg2 Bxf3+ 26. Nxf3 Qxd5 27. Qe3+ Kf7 28. Rxh7+ Kf6 29. g4 Rh8 30. g5+ Kf5 31. Rf7+ Qxf7 32. Qd3+ Ke6 33. e4 Ne5 34. Qd5+ Ke7 35. Qxe5+ Qe6 36. Qg7+ Kd6 37. e5+ Kd5 38. Qxb7+ Kc5 39. b4+ Kc4 40. Qc7+ Kxb4 41. Qc2 Qh3+ 42. Kf2 Qh2+ 43. Ke3 Qxc2 44. Nd4 Qc3+ 45. Ke4 Rh4+ 46. Kd5 Qxd4+ 0-1

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "1"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Viteri Orteaga, Jose Ivan"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1294"]
[BlackElo "1054"]
[PlyCount "53"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. c4 dxc4 4. Na3 Bf5 5. Bxb7 Be4 6. Bxa8 Bxa8 7. Nf3 e5 8. Nxc4 e4 9. Nfe5 e3 10. f3 Nbd7 11. dxe3 Bd6 12. Nxd6+ cxd6 13. Qxd6 Qa5+ 14. Bd2 Qxe5 15. Qa6 0-0 16. Kf2 Qxb2 17. Rhd1 Rd8 18. Rab1 Qe5 19. Ba5 Re8 20. Qxa7 Nd5 21. e4 N5f6 22. Rxd7 Nxd7 23. Qxd7 Qc5+ 24. Kg2 Rc8 25. Bb4 Qc2 26. Re1 Qxa2 27. Qxc8# 1-0

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "4"]
[White "Molina Moreno, Alejandro Andres"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1195"]
[BlackElo "1294"]
[PlyCount "100"]
[EventDate "2020.11.07"]
[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 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 Nf6 6. e4 0-0 7. Nge2 d6 8. 0-0 Bd7 9. h3 a6 10. Kh2 b5 11. cxb5 axb5 12. Nxb5 h5 13. Nbc3 h4 14. Bg5 hxg3+ 15. fxg3 Rb8 16. Qd2 Nd4 17. Nf4 Nh7 18. Nfd5 Nxg5 19. Qxg5 Re8 20. Qf4 Rf8 21. Qd2 e6 22. Nf4 Bc6 23. Nfe2 Nxe2 24. Qxe2 d5 25. exd5 exd5 26. Rab1 Qd6 27. Qf3 Rbc8 28. Qf4 Qxf4 29. Rxf4 d4 30. Ne4 Bxe4 31. Bxe4 c4 32. dxc4 Rxc4 33. Rd1 Rb4 34. b3 Rbb8 35. Bb1 Rbc8 36. Rf2 Rc3 37. h4 Be5 38. Rd3 Rfc8 39. Rfd2 Rc1 40. Rd1 R1c3 41. R1d2 Bf6 42. Kg2 Re8 43. Rf2 Kg7 44. Kh2 Re3 45. Rxe3 Rxe3 46. Kg2 Be5 47. g4 Rg3+ 48. Kf1 Rxg4 49. Rd2 Rxh4 50. a4 Rh1+ 0-1

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "2"]
[White "Ortiz Pilco, Carlos Alberto"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1295"]
[BlackElo "1294"]
[PlyCount "64"]
[EventDate "2020.11.07"]
[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 g6 2. Nf3 Bg7 3. c4 c5 4. Nc3 Nc6 5. d5 Nd4 6. e4 e5 7. Be3 d6 8. Be2 Ne7 9. 0-0 0-0 10. b4 b6 11. bxc5 dxc5 12. Nb5 a6 13. Nbxd4 cxd4 14. Bg5 h6 15. Bxe7 Qxe7 16. Bd3 f5 17. Qc2 fxe4 18. Bxe4 Bf5 19. Rab1 Rab8 20. Nd2 Bxe4 21. Nxe4 Rf4 22. Ng3 h5 23. Qxg6 Rg4 24. Qxh5 Rg5 25. Qe2 Qc5 26. Ne4 Qe7 27. Nxg5 Qxg5 28. Rfd1 Qf6 29. c5 b5 30. d6 Rc8 31. Rbc1 Qe6 32. Qc4 bxc4 0-1

[Event "ECU-ch Schools U15 Clas2"]
[Site "Chess.com INT"]
[Date "2020.11.07"]
[Round "8"]
[White "Zhindon Minchala, Cristopher Damian"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "C48"]
[BlackElo "1294"]
[PlyCount "69"]
[EventDate "2020.11.07"]
[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 Nf6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Bc5 8. 0-0 0-0 9. d3 b5 10. Bg5 h6 11. Bxf6 Qxf6 12. Qxf6 gxf6 13. Rad1 Rfd8 14. a4 a6 15. axb5 axb5 16. Ra1 b4 17. Na4 Bb6 18. Nxb6 cxb6 19. Rxa8 Rxa8 20. Rb1 b5 21. c3 b3 22. g4 c5 23. Kg2 Rd8 24. Rd1 c4 25. d4 b4 26. d5 bxc3 27. bxc3 Kf8 28. Rb1 Ke7 29. Kf3 Kd6 30. Ke3 Kc5 31. Kd2 Ra8 32. Rb2 Ra2 33. Rxa2 bxa2 34. Kc2 a1Q 35. Kd2 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "1"]
[White "Castano Vargas, Gabriel Joshua"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "186"]
[BlackElo "1294"]
[PlyCount "50"]
[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 g6 2. Bc4 Bg7 3. Nf3 e6 4. d3 Ke7 5. Bd2 d5 6. exd5 exd5 7. Bb3 Bxb2 8. c3 Bxa1 9. d4 Qd7 10. c4 dxc4 11. Bxc4 Nc6 12. 0-0 Kf8 13. Na3 Bb2 14. Nb5 a6 15. Nxc7 Qxc7 16. Qe2 Bg4 17. g3 Re8 18. Be3 Nxd4 19. Qxb2 Nxf3+ 20. Kg2 Qxc4 21. Qxh8 Qe4 22. Bc5+ Re7 23. Bxe7+ Kxe7 24. Qxg8 Nh4+ 25. Kg1 Qg2# 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "6"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Gonzabay Vidal, Nick Steven"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "1294"]
[BlackElo "1407"]
[PlyCount "79"]
[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. g3 d5 2. Bg2 Nf6 3. c4 c6 4. Nc3 g6 5. d4 Bg7 6. cxd5 cxd5 7. Nf3 0-0 8. 0-0 Nc6 9. Bg5 h6 10. Bxf6 Bxf6 11. e3 Bf5 12. Rc1 Qa5 13. a3 Rac8 14. b4 Qxa3 15. Nxd5 Nxb4 16. Ra1 Qb2 17. Nxf6+ exf6 18. Rxa7 Nd3 19. Nh4 Rc1 20. Qf3 Rxf1+ 21. Bxf1 Be4 22. Qe2 Qb6 23. Ra3 Nb4 24. Rb3 Qd6 25. Qb2 Na6 26. Rxb7 Bxb7 27. Qxb7 Nb4 28. Qe4 f5 29. Qb1 Rb8 30. Qc1 Rb6 31. Nf3 Rc6 32. Qb2 Rc2 33. Qb1 Rc3 34. Ne5 f6 35. Nxg6 Kg7 36. Nf4 Nd5 37. Nh5+ Kg6 38. Qd1 Rc2 39. Qxc2 Kxh5 40. Qxf5# 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "7"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Guaraca Pintado, Juan Pablo"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1294"]
[BlackElo "1828"]
[PlyCount "105"]
[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. g3 Nf6 2. Bg2 g6 3. c4 Bg7 4. Nc3 0-0 5. d3 e5 6. e4 Nc6 7. Nge2 d6 8. 0-0 Ne7 9. f4 c6 10. h3 Be6 11. f5 gxf5 12. exf5 Bxf5 13. g4 Bg6 14. Ng3 Qd7 15. Nce4 Nxe4 16. dxe4 d5 17. Nf5 Rad8 18. cxd5 cxd5 19. Nxe7+ Qxe7 20. exd5 e4 21. Be3 Qe5 22. Bf4 Qxd5 23. Qa4 Qd4+ 24. Qxd4 Bxd4+ 25. Kh2 b6 26. h4 f5 27. Bg5 Rc8 28. h5 Be8 29. gxf5 Rc2 30. Rae1 Bc6 31. Kh3 Rxb2 32. Bxe4 Bxe4 33. Rxe4 Bf6 34. Bh6 Rd8 35. Re6 Rd3+ 36. Kg4 Rg2+ 37. Kf4 Rd4+ 38. Kf3 Rxa2 39. Rxf6 Rd3+ 40. Ke4 Rd8 41. Rg1+ Kh8 42. Bg7+ Kg8 43. Re6 Ra4+ 44. Ke5 Ra5+ 45. Kf6 b5 46. Bh6+ Kh8 47. Rge1 Rg8 48. Re7 Ra6+ 49. R1e6 Rxe6+ 50. fxe6 b4 51. Bg7+ Rxg7 52. Rxg7 b3 53. e7 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "4"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Juma Moreno, Jayro Javier"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "1294"]
[BlackElo "192"]
[PlyCount "105"]
[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. g3 c5 2. Bg2 g6 3. c4 Bg7 4. Nc3 Nc6 5. Nf3 e5 6. 0-0 Nge7 7. d3 0-0 8. e4 d6 9. Bg5 f6 10. Be3 Be6 11. Rb1 a5 12. a3 h6 13. Qc1 Kh7 14. Ne1 f5 15. f4 a4 16. Nc2 Na5 17. Na1 Qd7 18. Qc2 Nac6 19. b4 axb3 20. Rxb3 Nd4 21. Bxd4 cxd4 22. Nd5 Nxd5 23. cxd5 Bg8 24. Rfb1 Rfb8 25. fxe5 dxe5 26. Rb6 Rxa3 27. Bh3 Ra7 28. Rxg6 Kh8 29. Bxf5 Qf7 30. Nb3 Bh7 31. Re6 Bxf5 32. exf5 Qxf5 33. Rf1 Qg5 34. Qc7 Qd8 35. Qf7 Ra3 36. Nd2 Qf8 37. Qg6 Qg8 38. Ne4 Rf8 39. Nf6 Rxf6 40. Rexf6 Bxf6 41. Qxh6+ Qh7 42. Qxf6+ Qg7 43. Qd8+ Kh7 44. Qh4+ Kg8 45. Rf5 Ra1+ 46. Kg2 Ra2+ 47. Kf3 Qd7 48. Qf6 Qxd5+ 49. Kg4 Qd7 50. Kh4 Qh7+ 51. Kg4 Qg7+ 52. Rg5 Kh7 53. Qxg7# 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "9"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Loja Zambrano, Diego Sebastian"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1294"]
[BlackElo "1596"]
[PlyCount "67"]
[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. g3 Nf6 2. Bg2 g6 3. c4 Bg7 4. Nc3 0-0 5. d3 d6 6. e4 Nc6 7. Nge2 e5 8. 0-0 Bd7 9. f4 Qc8 10. b4 Nxb4 11. Ba3 Nc6 12. Rb1 Re8 13. Nd5 Nxd5 14. cxd5 Nd4 15. Nxd4 exd4 16. Rc1 a6 17. Bxd6 c6 18. e5 a5 19. Qa4 Ra6 20. Qxd4 Qa8 21. Kh1 cxd5 22. Bxd5 Rxd6 23. Bxf7+ Kxf7 24. Qxd6 Bc6+ 25. Kg1 Bf8 26. Qf6+ Kg8 27. d4 Qa6 28. f5 Qe2 29. Rxc6 Qe3+ 30. Rf2 bxc6 31. fxg6 Bg7 32. Qf7+ Kh8 33. Qxe8+ Bf8 34. Qxf8# 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "2"]
[White "Guerrero Cajeca, Matias Israel"]
[Black "Torres Tomala, Jeffrey Josue"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1294"]
[BlackElo "1384"]
[PlyCount "156"]
[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. g3 d5 2. Bg2 e5 3. c4 e4 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nxe4 Nc6 7. Nf3 Bf5 8. Nc3 Bc5 9. 0-0 0-0 10. d3 Nf6 11. Bg5 h6 12. Bxf6 Qxf6 13. Qb3 Bb6 14. Nd5 Qe6 15. Nxb6 Qxb3 16. axb3 axb6 17. Nd2 Nd4 18. e3 Nc2 19. Rac1 Bxd3 20. Rfd1 Rad8 21. Nc4 Nb4 22. Ne5 Bc2 23. Rd4 Rxd4 24. exd4 Rd8 25. Nf3 c6 26. Bh3 Bxb3 27. Re1 Bd5 28. Nd2 Nd3 29. Re7 Kf8 30. Rxb7 Nxb2 31. Rxb6 Nd3 32. Bg2 Nc1 33. Bxd5 cxd5 34. Kf1 Re8 35. Rd6 Nd3 36. Rxd5 Re1+ 37. Kg2 Re2 38. Nc4 Rxf2+ 39. Kh3 Rc2 40. Ne5 Nxe5 41. Rxe5 f6 42. Re4 Kf7 43. Re1 Rd2 44. Re4 f5 45. Rf4 Kf6 46. g4 Rd3+ 47. Kg2 g6 48. h3 Kg5 49. Rf1 Rd2+ 50. Kg3 fxg4 51. h4+ Kh5 52. Rf4 Rd3+ 53. Kg2 Kxh4 54. Re4 g5 55. Re6 Rd2+ 56. Kg1 h5 57. d5 Rxd5 58. Re2 Rd1+ 59. Kf2 g3+ 60. Kg2 g4 61. Rb2 Rd3 62. Re2 Rf3 63. Re1 Rf2+ 64. Kg1 Rc2 65. Re5 Rc1+ 66. Kg2 Rc2+ 67. Kg1 Rf2 68. Rd5 Rf4 69. Re5 Rf6 70. Rd5 Rg6 71. Re5 Rg5 72. Re3 Rf5 73. Kg2 Rf2+ 74. Kg1 Kh3 75. Re5 h4 76. Re3 Rc2 77. Rd3 Rc1+ 78. Rd1 Rxd1# 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "8"]
[White "NN"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "1-0"]
[ECO "B27"]
[BlackElo "1294"]
[PlyCount "57"]
[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 g6 2. Nf3 Bg7 3. d4 c5 4. dxc5 Qa5+ 5. Bd2 Qxc5 6. Nc3 Nf6 7. Be2 Nc6 8. 0-0 0-0 9. h3 d5 10. e5 Ne4 11. Na4 Nxf2 12. Rxf2 Qxf2+ 13. Kxf2 e6 14. h4 a6 15. h5 b5 16. h6 Bh8 17. Nb6 Rb8 18. Nxc8 Rfxc8 19. Bf4 Nb4 20. c3 Nc6 21. a4 b4 22. Bxa6 Rd8 23. Bb5 Ne7 24. cxb4 d4 25. Bg5 Rb7 26. Nxd4 Bxe5 27. Bxe7 Rxe7 28. Ke3 Red7 29. Bxd7 1-0

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "5"]
[White "NN1"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A58"]
[BlackElo "1294"]
[PlyCount "86"]
[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 g6 2. g3 Bg7 3. Bg2 c5 4. d5 d6 5. c4 Nd7 6. Nc3 Ngf6 7. e4 0-0 8. f4 a6 9. Nge2 b5 10. cxb5 axb5 11. Nxb5 Ba6 12. Nbc3 Bxe2 13. Qxe2 e5 14. 0-0 exf4 15. gxf4 Re8 16. f5 Qb6 17. Kh1 Rad8 18. Be3 Rb8 19. Rab1 Ne5 20. b4 Qc7 21. bxc5 dxc5 22. Nb5 Qd7 23. Bxc5 Rec8 24. Bd6 Rxb5 25. Bxe5 Rxb1 26. Rxb1 gxf5 27. Qb2 Ne8 28. Bxg7 Nxg7 29. Bh3 Re8 30. Rg1 f6 31. Bxf5 Qe7 32. Qb3 Kh8 33. Bh3 Qe5 34. Bg2 Qh5 35. Qb7 Qe5 36. Bf3 Re7 37. Qa8+ Re8 38. Qa3 Qf4 39. Qc3 Qe5 40. Rf1 Qxc3 41. e5 Qxe5 42. Rd1 Qd6 43. Kg2 Re5 0-1

[Event "ECU-ch Schools U15 Clas1"]
[Site "Chess.com INT"]
[Date "2020.11.05"]
[Round "3"]
[White "Sanchez Heras, Angel Ricardo"]
[Black "Guerrero Cajeca, Matias Israel"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "220"]
[BlackElo "1294"]
[PlyCount "46"]
[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. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. Nf3 d6 6. 0-0 e5 7. Rb1 Nge7 8. a4 f5 9. d3 0-0 10. Bd2 f4 11. Na2 g5 12. b4 cxb4 13. Nxb4 Ng6 14. Nxc6 bxc6 15. Ne1 d5 16. cxd5 cxd5 17. Rb5 Be6 18. Nc2 a6 19. Ba5 Qd7 20. Rb4 Rfb8 21. Rxb8+ Rxb8 22. Qa1 e4 23. dxe4 Bxa1 0-1

