[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.30"]
[Round "9"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Viscaino Yanez, Jhonny Cesar"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1746"]
[BlackElo "1875"]
[PlyCount "114"]
[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 Nc6 5. g3 dxe4 6. dxe4 Bc5 7. Bg2 0-0 8. 0-0 e5 9. c3 a5 10. Qc2 Qe7 11. Nc4 b6 12. Ne3 Bxe3 13. Bxe3 Ng4 14. Bg5 Qe6 15. Nh4 h6 16. Bc1 Qe7 17. Nf5 Qe8 18. b3 Kh8 19. Qe2 Bxf5 20. exf5 Nf6 21. Qc4 e4 22. Bf4 Rc8 23. Rfe1 Ne5 24. Qd4 Nd3 25. Re2 Nxf4 26. gxf4 Qb5 27. Re3 Rcd8 28. Qe5 Rd5 29. Qxc7 Rxf5 30. Bxe4 Nxe4 31. Rxe4 g5 32. Qd6 Kg7 33. Re5 Rxe5 34. fxe5 Qe2 35. Qf6+ Kg8 36. Qxb6 Qxe5 37. Qe3 Qb5 38. Rd1 Re8 39. Qd3 Qc6 40. f3 Qf6 41. Kf2 Qf4 42. Kg2 Re3 43. Qf1 Rxc3 44. Rd8+ Kg7 45. Qf2 g4 46. Qd4+ Qxd4 47. Rxd4 gxf3+ 48. Kg3 f2+ 49. Kxf2 Rc2+ 50. Kg3 Rxa2 51. Rd3 Rb2 52. h4 Kf6 53. Rf3+ Ke5 54. Kg4 Rg2+ 55. Kh5 f5 56. Kxh6 f4 57. b4 Rg3 0-1

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.29"]
[Round "8"]
[White "Salgado Villalba, Lucas Martin"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1552"]
[BlackElo "1746"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 h6 10. Bxf6 Bxf6 11. g4 Bd7 12. h4 Nc6 13. Nxc6 Bxc6 14. Bg2 0-0-0 15. g5 Be7 16. Bh3 hxg5 17. hxg5 Kb8 18. Bg2 Rxh1 19. Bxh1 Rc8 20. Qf2 b5 21. Qd2 e5 22. f5 b4 23. Ne2 Bb5 24. f6 gxf6 25. Ng3 f5 26. Kb1 Bxg5 27. Qxd6 Qxd6 28. Rxd6 f4 29. Nf5 Rh8 30. Rd1 Be2 0-1

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.29"]
[Round "7"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Rojas Salas, Steven"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1746"]
[BlackElo "2223"]
[PlyCount "102"]
[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. Bc4 Nf6 4. d3 h6 5. Nc3 Bb4 6. 0-0 Bxc3 7. bxc3 d6 8. Re1 0-0 9. Nh4 Na5 10. Bb3 Bg4 11. f3 Bc8 12. Nf5 d5 13. Ba3 Re8 14. Ng3 b6 15. d4 dxe4 16. dxe5 Qxd1 17. Raxd1 Rxe5 18. Rd8+ Kh7 19. f4 Re8 20. Rxe8 Nxe8 21. Bxf7 Nf6 22. Nxe4 Nxe4 23. Bd5 Bb7 24. Bxe4+ Bxe4 25. Rxe4 Rd8 26. Bb4 Rd5 27. Kf1 Rd2 28. Bxa5 bxa5 29. Rc4 Rxc2 30. a4 Ra2 31. f5 Kg8 32. g4 Rxh2 33. Rxc7 Ra2 34. Rxa7 Rxa4 35. Ke2 Rxg4 36. Rxa5 Kf7 37. Rc5 Kf6 38. Kf3 h5 39. c4 Rh4 40. Ke3 Rg4 41. Kf3 Rd4 42. Ke3 Rh4 43. Kf3 Rg4 44. Ke3 h4 45. Kf3 Rg1 46. Kf4 h3 47. Rc6+ Kf7 48. Rc7+ Kg8 49. Rc8+ Kh7 50. f6 h2 51. f7 Rf1+ 0-1

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.28"]
[Round "6"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Calderon Guerra, Danny Patricio"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1746"]
[BlackElo "1655"]
[PlyCount "47"]
[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 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 d6 6. Bxc6+ bxc6 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. f5 Qd7 11. fxe6 fxe6 12. e5 d5 13. Na4 c4 14. d4 cxd3 15. Bg5 Nh6 16. Nc5 Qf7 17. Qxd3 Nf5 18. g4 h6 19. gxf5 hxg5 20. fxe6 Qe7 21. Qxg6+ Kd8 22. b4 Bxe5 23. Rf7 Bxa1 24. Nb7+ 1-0

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.28"]
[Round "5"]
[White "Varillas Jimenes, Ivan"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1959"]
[BlackElo "1746"]
[PlyCount "71"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 Be7 8. f4 Nbd7 9. 0-0-0 Qc7 10. g4 b5 11. a3 Bb7 12. Bh4 h6 13. Kb1 Nc5 14. Bg2 0-0 15. Bg3 Nfd7 16. h4 g6 17. h5 g5 18. Nd5 exd5 19. Nf5 Bf6 20. fxg5 hxg5 21. Bxd6 Qa5 22. Ne7+ Bxe7 23. Bxe7 Ne6 24. exd5 Nf4 25. Qe4 f5 26. gxf5 Rae8 27. h6 Kf7 28. Bxf8 Rxe4 29. h7 Nxg2 30. h8Q Nxf8 31. f6 Nh4 32. Qg7+ Ke8 33. Qxb7 Nd7 34. f7+ Kd8 35. d6 Rc4 36. Rhe1 1-0

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.27"]
[Round "4"]
[White "Wong Pages, Juan Diego"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1933"]
[BlackElo "1746"]
[PlyCount "108"]
[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 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 h6 10. Bh4 Nbd7 11. Bd3 g5 12. fxg5 Ne5 13. Qe2 Nfg4 14. Kb1 hxg5 15. Bg3 Bd7 16. Qd2 Nxd3 17. cxd3 Qb6 18. Nf3 Rc8 19. h3 Ne5 20. Nxe5 dxe5 21. Bxe5 f6 22. Bg3 Bb4 23. Rc1 g4 24. Qf2 Qxf2 25. Bxf2 gxh3 26. Rxh3 Rxh3 27. gxh3 Kf7 28. Ne2 Rxc1+ 29. Kxc1 Kg6 30. a3 Ba5 31. b4 Bd8 32. Kd2 e5 33. Ng1 Be7 34. Ke3 a5 35. Be1 axb4 36. Bxb4 Bxb4 37. axb4 Kh5 38. d4 exd4+ 39. Kxd4 Kh4 40. Ke3 Kg3 41. Ne2+ Kxh3 42. Kf4 Kh4 43. Ng3 b5 44. Nf5+ Kh5 45. Ne7 Kh6 46. Ke3 Kg7 47. Kd4 Kf7 48. Nd5 Ke6 49. Nc7+ Kd6 50. Na6 Bc6 51. Nc5 Kc7 52. Ne6+ Kd6 53. Nc5 Kc7 54. Ne6+ Kd6 1/2-1/2

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.26"]
[Round "2"]
[White "Barrantes Cueva, Roberth Manuel"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1670"]
[BlackElo "1746"]
[PlyCount "62"]
[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 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 g6 7. c3 Bg7 8. d4 0-0 9. h3 d5 10. e5 Ne4 11. Nbd2 Nxd2 12. Bxd2 Qb6 13. Qa4 Rfd8 14. e6 fxe6 15. Ng5 e5 16. dxe5 Nxe5 17. f4 Nc4 18. Bc1 Bf6 19. Qc2 Bxg5 20. fxg5 Qd6 21. b3 Ne5 22. Qe2 Nc6 23. Qg4 e5 24. Bd2 Rf8 25. Re2 e4 26. c4 Nd4 27. Rf2 Rxf2 28. Kxf2 Qh2 29. Bf4 Rf8 30. Ke3 Rxf4 31. Qc8+ Rf8 0-1

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.26"]
[Round "3"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Esmeraldas Huachi, Anderson Yahir"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1746"]
[BlackElo "2060"]
[PlyCount "91"]
[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 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. Nbd2 Nc6 8. Re1 Rb8 9. c3 e5 10. Nh4 b5 11. Nf1 b4 12. Bg5 h6 13. Be3 bxc3 14. bxc3 Qa5 15. Qd2 Ng4 16. h3 Nxe3 17. Nxe3 Be6 18. Nc4 Qa6 19. Bf1 Na5 20. Ne3 Qc6 21. f4 exf4 22. gxf4 Qb7 23. f5 g5 24. Nf3 Qb2 25. Qxb2 Rxb2 26. e5 Bc8 27. f6 Bh8 28. Nd5 dxe5 29. Nxe5 Be6 30. Ng6 Bxd5 31. Ne7+ Kh7 32. Nxd5 Kg6 33. Re7 Bxf6 34. Rxa7 Bd8 35. Bg2 Nb7 36. Re1 Kg7 37. Ne3 Nd6 38. Ra6 Rb6 39. Rxb6 Bxb6 40. Nd5 Rb8 41. Rb1 Ba7 42. Rxb8 Bxb8 43. a4 Nb7 44. Ne7 Na5 45. Nf5+ Kg6 46. Ne3 1/2-1/2

[Event "South America-ch U18 17th"]
[Site "Guayaquil"]
[Date "2022.01.25"]
[Round "1"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Titichoca Daza, Daniel Henry"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1746"]
[BlackElo "2250"]
[PlyCount "67"]
[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 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e5 7. Re1 Nge7 8. Nbd2 0-0 9. c3 h6 10. Nh4 g5 11. Nhf3 f5 12. exf5 Bxf5 13. Ne4 Qd7 14. h4 g4 15. Nh2 Rf7 16. f3 gxf3 17. Bxf3 b6 18. Bh5 Rff8 19. Ng4 d5 20. Nxh6+ Bxh6 21. Bxh6 dxe4 22. Bxf8 Rxf8 23. dxe4 Qxd1 24. Raxd1 Be6 25. b3 Nc8 26. Rf1 b5 27. Be2 b4 28. Bb5 N8e7 29. Rxf8+ Kxf8 30. Bxc6 Nxc6 31. Rd6 bxc3 32. Rxc6 c4 33. Rxe6 Kf7 34. Rc6 1-0

[Event "Pan American-ch U16"]
[Site "Guayaquil"]
[Date "2019.07.27"]
[Round "9"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Quijano, Juan Marcos"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1759"]
[BlackElo "1533"]
[PlyCount "81"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. b3 0-0 13. Bc4 Qc5 14. 0-0 Nc6 15. Qd6 Qxd6 16. exd6 Rd8 17. Rad1 Bg4 18. Rd2 Rac8 19. h3 Bf5 20. g4 Bg6 21. Rfd1 Rd7 22. Bf1 h5 23. b4 a6 24. a4 hxg4 25. hxg4 Re8 26. b5 axb5 27. axb5 Ne5 28. Bxe5 Rxe5 29. Rd5 Re6 30. b6 e3 31. fxe3 Rxe3 32. Bb5 Rd8 33. d7 Kf8 34. Rc5 Be4 35. Rc8 Ke7 36. Rxd8 Kxd8 37. Rc1 Bc6 38. Rxc6 bxc6 39. b7 cxb5 40. b8Q+ Kxd7 41. Qa7+ 1-0

[Event "Pan American-ch U16"]
[Site "Guayaquil"]
[Date "2019.07.26"]
[Round "8"]
[White "Montiel, Angel Nathanael"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1658"]
[BlackElo "1759"]
[PlyCount "55"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. f4 d5 6. e5 Nh6 7. Nf3 a5 8. b3 Ba6 9. Ba3 Be7 10. Na4 c4 11. Bxe7 Qxe7 12. bxc4 Qb4 13. Nc3 Qxc4 14. Ne2 Nf5 15. g4 Qe4 16. Rf1 Ne7 17. d3 Qg6 18. Rg1 h5 19. f5 exf5 20. Nf4 Qh7 21. gxh5 Qh6 22. Qd2 Rg8 23. h4 g6 24. hxg6 Nxg6 25. e6 Ke7 26. exf7 Kxf7 27. Nxg6 Rae8+ 28. Nge5+ 1-0

[Event "Pan American-ch U16"]
[Site "Guayaquil"]
[Date "2019.07.25"]
[Round "7"]
[White "Titichoca Daza, Daniel Henry"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2172"]
[BlackElo "1759"]
[PlyCount "73"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd3 Qg6 9. Be3 Nf6 10. f3 d5 11. exd5 Nb4 12. Qxg6 hxg6 13. Na3 Bf5 14. c4 b5 15. b3 a5 16. Be2 a4 17. 0-0 Kd7 18. g4 Nc2 19. Nxc2 Bxc2 20. bxa4 bxc4 21. Bxc4 Bxa4 22. Rab1 Rhb8 23. Bd2 Bc2 24. Rbc1 Ba4 25. Bc3 Kd6 26. Rfe1 Nd7 27. a3 Rc8 28. Bb4+ Nc5 29. Re3 Kd7 30. Rce1 f6 31. f4 Nb7 32. Bd3 Nd6 33. fxe5 fxe5 34. Rxe5 Re8 35. Bxg6 Rxe5 36. Rxe5 Rf8 37. Bf5+ 1-0

[Event "Pan American-ch U16"]
[Site "Guayaquil"]
[Date "2019.07.24"]
[Round "6"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Idnani, Roshan R"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1759"]
[BlackElo "1938"]
[PlyCount "70"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bc4 e6 8. 0-0 Be7 9. Qe2 0-0 10. Nc3 Nxc3 11. bxc3 dxe5 12. dxe5 Qa5 13. Qe4 g6 14. Bh6 Rd8 15. Qf4 b5 16. Ng5 Bxg5 17. Bxg5 bxc4 18. Bf6 Qc5 19. Bxd8 Nxd8 20. Rfd1 Bb7 21. Qg5 Bd5 22. Rd4 Rb8 23. Rh4 Qf8 24. Rh6 Nc6 25. Rh4 Qg7 26. Re1 Nxe5 27. Qg3 Nd3 28. Rf1 Qe5 29. f4 Qe2 30. f5 Rb2 31. Rg4 exf5 32. Qd6 Qe5 33. Qd8+ Kg7 34. Rg5 h6 35. Rfxf5 Rb1+ 0-1

[Event "Pan American-ch U16"]
[Site "Guayaquil"]
[Date "2019.07.24"]
[Round "5"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Jodorcovsky, Paulo Leonardo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1759"]
[BlackElo "1796"]
[PlyCount "73"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. 0-0 Nf6 9. h3 Bh5 10. a3 Be7 11. Be3 0-0 12. Nc3 Qa5 13. Qb3 Rfc8 14. Rfd1 Nd5 15. Nxd5 exd5 16. Bf4 Qd8 17. Qe3 Bf6 18. g4 Bg6 19. g5 Be7 20. b4 Bd6 21. Ne5 Bf5 22. Bh5 Rc7 23. Qg3 Bxe5 24. dxe5 Re7 25. Bf3 Be6 26. g6 h6 27. gxf7+ Kxf7 28. Bh5+ Kf8 29. Bxh6 gxh6 30. Qf4+ Kg8 31. Kh2 Qf8 32. Rg1+ Kh8 33. Qf6+ Qxf6 34. exf6 Rd7 35. Rae1 Ne5 36. Rd1 Bf5 37. Rge1 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Guayaquil"]
[Date "2019.07.23"]
[Round "4"]
[White "Castellanos Villela, Alejandro"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1985"]
[BlackElo "1759"]
[PlyCount "104"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Rb8 13. h4 Be7 14. Nce3 Be6 15. Bd3 Qd7 16. Nf5 Kh8 17. h5 h6 18. g3 Rfe8 19. Kf1 Bxf5 20. exf5 Bg5 21. Be4 b4 22. f6 bxc3 23. bxc3 Rb2 24. Qf3 Na5 25. Kg2 Nc4 26. fxg7+ Kxg7 27. Rhd1 Nd2 28. Qf5 Qxf5 29. Bxf5 e4 30. g4 e3 31. fxe3 Nb3+ 32. Kf3 Nxa1 33. Rxa1 Bh4 34. e4 Rf2+ 35. Ke3 Rg2 36. a4 Rb8 37. Kd3 Bf6 38. Kc4 Rbb2 39. Ra3 a5 40. Rb3 Ra2 41. Kb5 Bd8 42. Kc6 Rxa4 43. Kd7 Bh4 44. Ke8 Rxg4 45. Bxg4 Rxe4+ 46. Kd7 Rxg4 47. Kxd6 a4 48. Rb7 Bf2 49. Rb5 Rc4 50. Rb7 Bc5+ 51. Ke5 Rg4 52. Rb5 Rc4 0-1

[Event "Pan American-ch U16"]
[Site "Guayaquil"]
[Date "2019.07.22"]
[Round "2"]
[White "Soriano Quispe, Ivan Excender"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2042"]
[BlackElo "1759"]
[PlyCount "91"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nf6 8. h3 a6 9. f4 Nd7 10. g4 b5 11. Nf3 Nd4 12. Bxd4 cxd4 13. Ne2 Qb6 14. 0-0 Bb7 15. Kh1 h5 16. g5 e5 17. f5 gxf5 18. exf5 0-0-0 19. f6 Nxf6 20. gxf6 Bh6 21. Qe1 h4 22. c3 Be3 23. cxd4 exd4 24. Nh2 Bxg2+ 25. Kxg2 Qb7+ 26. Rf3 Rdg8+ 27. Ng4 Rxg4+ 28. hxg4 h3+ 29. Kg3 Bg5 30. Qh1 d5 31. Nf4 Bh4+ 32. Kxh3 Qd7 33. Kg2 Bxf6 34. Qc1+ Kd8 35. Rg3 Bh4 36. Qc5 Bxg3 37. Kxg3 Rg8 38. Qb6+ Ke7 39. Re1+ Kf8 40. Qc5+ Kg7 41. Qxd4+ Kf8 42. Qc5+ Kg7 43. Nh5+ Kh6 44. Qe3+ Rg5 45. Qd4 f5 46. Qh8+ 1-0

[Event "PER-ch U12"]
[Site "Lima"]
[Date "2016.02.06"]
[Round "7.4"]
[White "Rojas, Steven"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1866"]
[BlackElo "1585"]
[PlyCount "75"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. h3 Nbd7 7. Be3 b6 8. Bd3 c5 9. Qd2 cxd4 10. Bxd4 Nc5 11. 0-0-0 Bb7 12. Rde1 d5 13. e5 Nxd3+ 14. cxd3 Nd7 15. e6 Bxd4 16. Nxd4 Nc5 17. f5 Qd6 18. h4 Qg3 19. Re3 Qf4 20. Nce2 Qh6 21. g4 f6 22. g5 Qg7 23. h5 Rfc8 24. Kb1 Ba6 25. hxg6 Bxd3+ 26. Rxd3 Nxd3 27. Rxh7 Qxh7 28. gxh7+ Kxh7 29. Qxd3 Kg7 30. gxf6+ Kxf6 31. Nf3 Rc5 32. Qd4+ Kxf5 33. Qe5+ Kg6 34. Nh4+ Kh6 35. Qf4+ Kg7 36. Qg5+ Kf8 37. Qg6 a5 38. Qf7# 1-0

[Event "Sullana Norte op"]
[Site "Sullana"]
[Date "2015.03.22"]
[Round "5"]
[White "Abanto Curay, Jocelyn"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "46"]
[EventDate "2015.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. c4 d6 3. Nc3 Nf6 4. d3 Nc6 5. Nf3 Bg4 6. h3 Bh5 7. Be2 Bxf3 8. Bxf3 Nd4 9. Be3 Qa5 10. 0-0 Nxf3+ 11. Qxf3 Rb8 12. Qe2 g6 13. Bd2 Qd8 14. Be3 Bg7 15. Qd2 0-0 16. Ne2 Re8 17. Rab1 e6 18. Ng3 b6 19. b3 d5 20. Bg5 dxe4 21. Nxe4 Nxe4 22. dxe4 Qxd2 23. Bxd2 Bd4 1/2-1/2

[Event "Sullana Norte op"]
[Site "Sullana"]
[Date "2015.03.22"]
[Round "6.15"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Cabrera Hoyos, Juan Diego"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "29"]
[EventDate "2015.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 d6 4. Bg2 e5 5. Nc3 Be6 6. d3 h6 7. Qa4 a6 8. Be3 Nf6 9. 0-0 Be7 10. Nd2 Bd7 11. Qd1 Rb8 12. Rb1 0-0 13. a3 Be6 14. b4 cxb4 15. axb4 1-0

[Event "Sullana Norte op"]
[Site "Sullana"]
[Date "2015.03.21"]
[Round "4"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Estrada Zeta, Erick"]
[Result "0-1"]
[ECO "A34"]
[BlackElo "1773"]
[PlyCount "70"]
[EventDate "2015.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. b3 Bg7 6. Bb2 0-0 7. Bg2 e6 8. e3 d5 9. d4 Ne4 10. Nxe4 dxe4 11. Ne5 Qa5+ 12. Qd2 Qxd2+ 13. Kxd2 cxd4 14. exd4 f5 15. f4 Rd8 16. Nxc6 bxc6 17. Ke3 c5 18. Rhd1 Bb7 19. Rd2 Rd7 20. Rad1 Rad8 21. a3 a5 22. h3 Ba6 23. Bf1 Rb8 24. b4 cxb4 25. axb4 Rxb4 26. Rc1 Rxb2 27. Rcd1 Rb3+ 28. Ke2 Bxc4+ 29. Ke1 Re3+ 30. Kf2 Rf3+ 31. Kg2 Bxf1+ 32. Rxf1 Rxd4 33. Rxd4 Bxd4 34. Rd1 Rd3 35. Rc1 a4 0-1

[Event "Sullana Norte op"]
[Site "Sullana"]
[Date "2015.03.20"]
[Round "1"]
[White "Rios Clavijo, Cristian"]
[Black "Sanchez Arteaga, Alejandro Mathias"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1618"]
[PlyCount "50"]
[EventDate "2015.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Bg4 4. Bg2 Nf6 5. d3 e6 6. 0-0 Nc6 7. Re1 Ne5 8. Nbd2 Be7 9. Qe2 0-0 10. b3 Rc8 11. Bb2 Nfd7 12. h3 Nxf3+ 13. Nxf3 Bh5 14. g4 Bg6 15. Rad1 e5 16. a4 Bf6 17. Bc1 h6 18. Be3 Nb6 19. a5 Na8 20. Nd2 Qxa5 21. Ra1 Qb6 22. Nc4 Qc6 23. Rxa7 b5 24. Nd2 Rc7 25. Raa1 Rfc8 1/2-1/2

[Event "Sullana Norte op"]
[Site "Sullana"]
[Date "2015.03.20"]
[Round "2"]
[White "Sanchez Arteaga, Alejandro Mathias"]
[Black "Gutierrez Bravo, Nicole Abigail"]
[Result "0-1"]
[ECO "A22"]
[BlackElo "1662"]
[PlyCount "104"]
[EventDate "2015.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. h3 g6 5. d3 Bg7 6. Bg5 0-0 7. Qd2 c6 8. Ne4 Nxe4 9. dxe4 Qc7 10. Bh6 Be6 11. Rc1 Nd7 12. Bxg7 Kxg7 13. e3 Nc5 14. Bd3 Nxd3+ 15. Qxd3 Qa5+ 16. Qc3 Qxa2 17. c5 f6 18. cxd6 Qb3 19. Qxb3 Bxb3 20. Rc3 Be6 21. 0-0 Rfd8 22. Rd1 Rd7 23. b3 Rad8 24. Rcd3 b5 25. Ra1 c5 26. Nd2 Rxd6 27. Rxa7+ R6d7 28. Rdxd7+ Rxd7 29. Rxd7+ Bxd7 30. Kf1 Kf7 31. Ke2 Ke6 32. Kd3 Kd6 33. f4 h5 34. h4 Be6 35. g3 b4 36. Nc4+ Bxc4+ 37. Kxc4 Kc6 38. Kd3 Kb5 39. f5 gxf5 40. exf5 e4+ 41. Kd2 c4 42. Kc2 cxb3+ 43. Kxb3 Kc5 44. Kb2 Kc4 45. g4 hxg4 46. h5 g3 47. h6 g2 48. h7 g1Q 49. h8Q Qf2+ 50. Kc1 Qe1+ 51. Kc2 b3+ 52. Kb2 Qd2+ 0-1

