[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.21"]
[Round "9"]
[White "Valencia, Oscar"]
[Black "Ariza, Luis"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1728"]
[PlyCount "71"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 Nc6 7. d5 Nb8 8. 0-0 Nbd7 9. Qc2 e5 10. dxe6 fxe6 11. Bg5 e5 12. Rad1 h6 13. Bxf6 Nxf6 14. Nxe5 Qe8 15. Nf3 g5 16. Nd4 Nh5 17. Ncb5 Qf7 18. Bxh5 Qxh5 19. Ne2 Bg4 20. f3 Be5 21. Ng3 Bxg3 22. hxg3 Bd7 23. Qd3 Rf7 24. Nxc7 Raf8 25. Qxd6 Bc6 26. g4 Qh4 27. Qg6+ Rg7 28. Qe6+ Rgf7 29. Rd6 Kg7 30. Qg6+ Kh8 31. Ne6 Bxe4 32. Qxe4 Rxf3 33. Rxf3 Rxf3 34. Qe5+ Rf6 35. Qxf6+ Kh7 36. Qg7# 1-0

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.20"]
[Round "8"]
[White "Ariza, Luis"]
[Black "Echeverria, Carlos Enrique"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "13"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Qxd4 g6 5. Qxh8 Nf6 6. Bh6 d6 7. Bb5 1-0

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.20"]
[Round "7"]
[White "De Leon, Gabriel"]
[Black "Ariza, Luis"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1804"]
[PlyCount "119"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. c3 Qf6 6. Be3 Nge7 7. Bc4 0-0 8. 0-0 Ne5 9. Be2 Qg6 10. Nd2 d6 11. Bh5 Qf6 12. f4 N5g6 13. N2b3 Bb6 14. Qd2 Qh4 15. Be2 f5 16. e5 dxe5 17. fxe5 f4 18. Bf2 Qg5 19. Nf3 Qh6 20. Bc4+ Kh8 21. Rfe1 Bg4 22. Nbd4 Rad8 23. Qc2 Nf5 24. Ne6 Ne3 25. Bxe3 Bxe3+ 26. Kh1 Bxf3 27. gxf3 Rd2 28. Qxd2 Bxd2 29. Nxf8 Bxe1 30. Nxg6+ Qxg6 31. Rxe1 Qe8 32. Re4 g5 33. e6 Kg7 34. Rd4 Qc6 35. Rd7+ Kf6 36. Bd5 Qa6 37. c4 Qxa2 38. Rf7+ Ke5 39. e7 Qb1+ 40. Kg2 Qxb2+ 41. Kh3 g4+ 42. fxg4 Qb3+ 43. Kh4 Qa4 44. Rf8 Kd6 45. e8Q Qxe8 46. Rxe8 c6 47. Be4 b5 48. cxb5 cxb5 49. Ra8 Kc5 50. Rxa7 Kb4 51. Rxh7 Kc3 52. g5 b4 53. g6 b3 54. g7 b2 55. g8Q f3 56. Rc7+ Kd2 57. Qg5+ Ke2 58. Rc2+ Kf1 59. Bd3+ Ke1 60. Qg1# 1-0

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.19"]
[Round "6"]
[White "Garcia, Daniel Alejandro"]
[Black "Ariza, Luis"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "1375"]
[PlyCount "50"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 d6 5. d4 0-0 6. c4 Nbd7 7. Nc3 c6 8. Bf4 a5 9. a3 Qb6 10. Na4 Qa6 11. c5 dxc5 12. dxc5 Qb5 13. Qc2 Nd5 14. e3 Nxf4 15. exf4 Nf6 16. Rfe1 Bf5 17. Bf1 Qxf1+ 18. Kxf1 Bxc2 19. Nb6 Rae8 20. Ne5 Rd8 21. Nec4 Bd3+ 22. Kg1 Bxc4 23. Nxc4 Rfe8 24. Nxa5 Rd7 25. Nc4 Nd5 0-1

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.18"]
[Round "5"]
[White "Ariza, Luis"]
[Black "Lemus, Hector"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1616"]
[PlyCount "74"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Bg4 7. Be3 Be7 8. Bd3 Nc6 9. Qd2 Bxf3 10. gxf3 Ne5 11. Be2 Qd7 12. 0-0-0 0-0 13. Rdg1 Kh8 14. h4 Rg8 15. h5 Qe6 16. b3 Bf6 17. f4 Nd7 18. Bg4 Qe7 19. Bf5 Rad8 20. Bxh7 Kxh7 21. Qd3+ Kh8 22. f5 Kh7 23. h6 g6 24. fxg6+ fxg6 25. Rh2 Ne5 26. Qe4 d5 27. Qf4 Rdf8 28. Rhg2 Bh8 29. Qh2 Nf3 30. Qh1 Nxg1 31. Qxg1 Bxc3 32. Kb1 d4 33. Bc1 a5 34. Qf1 a4 35. Qc4 axb3 36. cxb3 Qe4+ 37. Qd3 Qxd3# 0-1

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.18"]
[Round "4"]
[White "Colorado, Efrain"]
[Black "Ariza, Luis"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1841"]
[PlyCount "121"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. d3 d6 8. c3 0-0 9. h3 Bb6 10. Re1 Na5 11. Bc2 c5 12. Nbd2 Qc7 13. Nf1 c4 14. Bg5 Nd7 15. Ne3 Nb7 16. Nd5 Qb8 17. dxc4 bxc4 18. Qe2 Qa7 19. Ne7+ Kh8 20. Nc6 Bxf2+ 21. Qxf2 Qxf2+ 22. Kxf2 f6 23. Be3 Rf7 24. Nb4 Nf8 25. Nd5 Be6 26. Red1 Ng6 27. Nb6 Rd8 28. b3 cxb3 29. axb3 a5 30. c4 Rff8 31. Nd5 Rd7 32. Nc3 Ne7 33. Kg1 g6 34. Nb5 f5 35. Ng5 Bg8 36. Rd2 h6 37. Nf3 f4 38. Bf2 g5 39. Nxe5 Rdd8 40. Nf3 Be6 41. Nc7 Bc8 42. Nd5 Ng6 43. Bd4+ Kg8 44. e5 dxe5 45. Nxe5 Nxe5 46. Bxe5 g4 47. hxg4 Bxg4 48. Nf6+ Rxf6 49. Rxd8+ Nxd8 50. Bxf6 Nc6 51. Be4 Kf7 52. Bc3 Ne7 53. Rxa5 Bd1 54. b4 Bb3 55. c5 Be6 56. Ra7 Kf8 57. c6 Bc8 58. b5 Ke8 59. Bf6 Ng8 60. Bg6+ Kf8 61. Bg7# 1-0

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.17"]
[Round "3"]
[White "Ariza, Luis"]
[Black "Salazar, David1111"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "125"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. Qe2 d6 6. Bb3 Bg4 7. h3 Bh5 8. g4 Bg6 9. d3 Qd7 10. Nbd2 h6 11. Nf1 0-0-0 12. Bc2 a6 13. a4 Na7 14. b4 c6 15. Be3 Kb8 16. Bb6 Rde8 17. Qe3 Nc8 18. b5 Nxb6 19. bxa6 Bd8 20. a5 c5 21. axb6 Bxb6 22. Rb1 Qc7 23. axb7 Kxb7 24. N1d2 Kc8 25. 0-0 Kd7 26. Ba4+ Ke7 27. Bxe8 Rxe8 28. Nc4 Rb8 29. Nxb6 Rxb6 30. Qd2 Nd7 31. Rb2 Rxb2 32. Qxb2 Nb6 33. Rb1 Na4 34. Qb3 Qa5 35. Rc1 Nb6 36. Rb1 Nd7 37. Nd2 f6 38. Nc4 Qa6 39. Qb7 Qxb7 40. Rxb7 Ke6 41. Kf1 h5 42. Ra7 hxg4 43. hxg4 Be8 44. Ra6 Ke7 45. Rxd6 Bf7 46. Ra6 g6 47. Ne3 f5 48. gxf5 gxf5 49. Nxf5+ Kf8 50. Ra8+ Be8 51. Nd6 Nf6 52. Nxe8 Nxe8 53. Rc8 Ke7 54. Rxc5 Kd6 55. Rd5+ Ke6 56. Ra5 Kf6 57. Ke2 Ng7 58. d4 exd4 59. cxd4 Ne6 60. Ra6 Ke7 61. Ke3 Nc7 62. Ra7 Kd8 63. Kf4 1-0

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.17"]
[Round "2"]
[White "Pinto, Alejandro"]
[Black "Ariza, Luis"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1728"]
[PlyCount "57"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Be6 5. 0-0 Nf6 6. Nbd2 Qd7 7. c3 Be7 8. Ng5 0-0-0 9. b4 h5 10. Ndf3 Nh7 11. b5 Nb8 12. Nxe5 Qe8 13. Nxe6 fxe6 14. Qa4 Bf6 15. d4 a6 16. Rb1 Bxe5 17. dxe5 Qg6 18. bxa6 Nxa6 19. Qb5 Nc5 20. Ba3 Ne4 21. Qxb7+ Kd7 22. Qb5+ Kc8 23. Qa6+ Kd7 24. Qb5+ Kc8 25. Qc6 h4 26. Rb7 Qf7 27. Qb5 c6 28. Qxc6+ Qc7 29. Qxc7# 1-0

[Event "Pan American-ch U20"]
[Site "San Salvador"]
[Date "2015.07.16"]
[Round "1"]
[White "Ariza, Luis"]
[Black "Solano Cuya, Bryan"]
[Result "0-1"]
[ECO "B04"]
[BlackElo "2149"]
[PlyCount "104"]
[EventDate "2015.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. dxe5 Bg4 6. Bc4 c6 7. h3 Bxf3 8. Qxf3 e6 9. Nc3 Nd7 10. Bxd5 cxd5 11. Bf4 Bb4 12. a3 Bxc3+ 13. Qxc3 0-0 14. 0-0 Rc8 15. Qd2 Qc7 16. Rac1 Nb6 17. Rfe1 Nc4 18. Qc3 Qb6 19. Rb1 Qa5 20. Qg3 Kh8 21. Qd3 Nxb2 22. Qb3 Nc4 23. Qxb7 Rc7 24. Qb8 Kg8 25. Qb5 Qxb5 26. Rxb5 Nxa3 27. Rb3 Nxc2 28. Reb1 h6 29. Rg3 Nd4 30. Kf1 Kh7 31. Ra1 Rfc8 32. Rga3 Nc2 33. Rxa7 Nxa1 34. Rxa1 g5 35. Be3 Kg6 36. g4 Rc4 37. Kg2 Re4 38. Rd1 Rxe5 39. Bd4 Re4 40. Be3 h5 41. gxh5+ Kxh5 42. Kf3 f5 43. Rb1 Rc3 44. Kg2 Rc2 45. Kf3 d4 46. h4 dxe3 47. fxe3 g4+ 48. Kg3 Rxe3+ 49. Kf4 Rce2 50. Rf1 Kg6 51. h5+ Kf6 52. h6 e5# 0-1

