[Event "Pan American-ch U20"]
[Site "Guayaquil"]
[Date "2018.06.19"]
[Round "1"]
[White "Pereira Berrozo, Hernardo Lenin"]
[Black "Zambrano Acebo, Jean Carlos"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1534"]
[BlackElo "2152"]
[PlyCount "48"]
[EventDate "2018.06.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. d3 Be7 7. Nc3 0-0 8. Bg5 h6 9. Bf4 d5 10. cxd5 Nxd5 11. Bd2 Nc6 12. Qc1 Rc8 13. h4 Nd4 14. Re1 Nxc3 15. Nxd4 Bxg2 16. Kxg2 cxd4 17. bxc3 dxc3 18. Bxh6 gxh6 19. Qxh6 Bf6 20. Qf4 Bg7 21. Rh1 Qf6 22. Qa4 c2 23. Rac1 Qd4 24. Qa3 Qc5 0-1

[Event "ECU-chT U20"]
[Site "Carpuela"]
[Date "2014.05.06"]
[Round "7.5"]
[White "Pereira Berrozo, Hernardo Lenin"]
[Black "Oleas Vanegas, Mateo Andres"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1462"]
[BlackElo "1525"]
[PlyCount "40"]
[EventDate "2014.05.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ECU"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]
[WhiteTeam "Guayas"]
[BlackTeam "Pichincha"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "ECU"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 Nc6 6. d3 d6 7. Nc3 Nh5 8. Bd2 f5 9. Rb1 a5 10. a3 f4 11. b4 axb4 12. axb4 e6 13. b5 Nd4 14. e3 Nxf3+ 15. Bxf3 fxg3 16. hxg3 Nf6 17. Bg2 Nd7 18. Qe2 Qf6 19. Ne4 Qe7 20. Bc3 d5 1/2-1/2

[Event "ECU-chT U20"]
[Site "Carpuela"]
[Date "2014.05.05"]
[Round "6.5"]
[White "Fares Sarmiento, Francisco Jos"]
[Black "Pereira Berrozo, Hernardo Lenin"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1520"]
[BlackElo "1462"]
[PlyCount "66"]
[EventDate "2014.05.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ECU"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]
[WhiteTeam "Loja"]
[BlackTeam "Guayas"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "ECU"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 f5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. c5 Qe7 9. Bd3 0-0 10. Qe2 Ne4 11. Ne5 Nd7 12. Nxd7 Bxd7 13. 0-0-0 Nxc3 14. bxc3 b6 15. cxb6 axb6 16. Qb2 Ra3 17. Qb4 Qxb4 18. cxb4 Rxa2 19. Rd2 Rfa8 20. Rb2 R8a4 21. Kc2 Rxb2+ 22. Kxb2 Rxb4+ 23. Ka3 c5 24. Rc1 Ra4+ 25. Kb3 c4+ 26. Bxc4 dxc4+ 27. Rxc4 Rxc4 28. Kxc4 Bc6 29. f3 Kf7 30. h4 Kg6 31. Kd3 Kh5 32. e4 fxe4+ 33. fxe4 Kxh4 0-1

[Event "ECU-chT U20"]
[Site "Carpuela"]
[Date "2014.05.05"]
[Round "5.5"]
[White "Pereira Berrozo, Hernardo Lenin"]
[Black "Lema Maldonado, Mao Israel"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1462"]
[BlackElo "1646"]
[PlyCount "69"]
[EventDate "2014.05.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ECU"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]
[WhiteTeam "Guayas"]
[BlackTeam "Zamora Chimchipe"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "ECU"]

1. c4 c5 2. Nf3 Nc6 3. g3 d6 4. Bg2 g6 5. 0-0 Bg7 6. d3 Nf6 7. Nc3 0-0 8. Bd2 Bg4 9. Rb1 Rc8 10. a3 Qd7 11. b4 b6 12. b5 Bxf3 13. bxc6 Bxc6 14. Bxc6 Rxc6 15. Kg2 d5 16. Qb3 Rd8 17. Bg5 dxc4 18. Qxc4 h6 19. Bd2 Nd5 20. Rb3 Nxc3 21. Bxc3 Bxc3 22. Rxc3 Qd5+ 23. Qxd5 Rxd5 24. Rb1 Re6 25. Kf1 Rh5 26. h4 g5 27. Rc4 gxh4 28. gxh4 Rf6 29. f3 Rhf5 30. Kf2 Rf4 31. Rg1+ Kf8 32. Rg4 Rxg4 33. Rxg4 Rd6 34. Ra4 a5 35. Rc4 0-1

[Event "ECU-chT U20"]
[Site "Carpuela"]
[Date "2014.05.04"]
[Round "4.5"]
[White "Asqui Arevalo, Juan Diego"]
[Black "Pereira Berrozo, Hernardo Lenin"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1791"]
[BlackElo "1462"]
[PlyCount "45"]
[EventDate "2014.05.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ECU"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]
[WhiteTeam "Chimborazo"]
[BlackTeam "Guayas"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "ECU"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Bf4 dxc4 5. e3 b5 6. a4 Bb4 7. axb5 cxb5 8. Qf3 Qd5 9. Qg3 g6 10. Bxb8 a5 11. Be2 Bb7 12. Bf3 Qd7 13. Bxb7 Qxb7 14. Bf4 Nf6 15. Qf3 Qxf3 16. gxf3 Nd5 17. Nge2 Nxf4 18. Nxf4 Bxc3+ 19. bxc3 0-0 20. 0-0 b4 21. Rfc1 b3 22. Ra4 Rfb8 23. Rb1 1-0

[Event "ECU-chT U20"]
[Site "Carpuela"]
[Date "2014.05.04"]
[Round "3.5"]
[White "Pereira Berrozo, Hernardo Lenin"]
[Black "Llivisaca Naichap, Maicol Bray"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1462"]
[BlackElo "1565"]
[PlyCount "72"]
[EventDate "2014.05.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ECU"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]
[WhiteTeam "Guayas"]
[BlackTeam "Morona Santiago"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "ECU"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Nf6 5. Nc3 Bg7 6. 0-0 0-0 7. d3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. a3 Qh5 11. Qc2 b6 12. Rb1 Bb7 13. Bd2 Rac8 14. Rfc1 Rfd8 15. Qa4 Nd4 16. Nxd4 Rxd4 17. Qxa7 Bxg2 18. Kxg2 Qxe2 19. Bc3 Rxd3 20. Bxg7 Kxg7 21. Qxb6 Rd2 22. Rf1 e6 23. Qb7 Rcd8 24. a4 R8d4 25. b3 Rb4 26. Qc6 c4 27. a5 Ra2 28. a6 Qd3 29. Ra1 cxb3 30. a7 Rxa1 31. Rxa1 b2 32. a8Q b1Q 33. Rxb1 Rxb1 34. Qca6 Qd1 35. Qe4 Qh1+ 36. Kh3 Qxe4 0-1

[Event "ECU-chT U20"]
[Site "Carpuela"]
[Date "2014.05.03"]
[Round "2.5"]
[White "Robles Loaiza, Alberto Alexand"]
[Black "Pereira Berrozo, Hernardo Lenin"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1448"]
[BlackElo "1462"]
[PlyCount "82"]
[EventDate "2014.05.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ECU"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]
[WhiteTeam "El Oro"]
[BlackTeam "Guayas"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "ECU"]

1. d4 d5 2. Nf3 e6 3. g3 c6 4. Bg2 f5 5. 0-0 Nf6 6. Bg5 Bd6 7. Nbd2 0-0 8. Ne5 Qc7 9. Bxf6 Rxf6 10. Ndf3 Nd7 11. Nxd7 Bxd7 12. Qd3 Re8 13. c4 Qb8 14. cxd5 exd5 15. e3 Qd8 16. b4 a6 17. Qb3 Qe7 18. Rfb1 Rh6 19. a4 Qf7 20. b5 axb5 21. axb5 Qh5 22. bxc6 Bxc6 23. h4 Rd8 24. Ng5 Be7 25. Nh3 Rhd6 26. Ra7 Qe8 27. Qd3 g6 28. Rb6 Rb8 29. Qb3 Ra8 30. Rxa8 Qxa8 31. Nf4 Qa5 32. Rxb7 Bxb7 33. Qxb7 Qe1+ 34. Kh2 Kf7 35. Nxd5 Re6 36. Nc7 Rd6 37. Bd5+ Kg7 38. Ne8+ Kf8 39. Nxd6 Qxf2+ 40. Kh3 Qf1+ 41. Bg2 Qd3 1-0

