[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.15"]
[Round "11"]
[White "Cornejo Perales, Guillermo"]
[Black "Molina, Jorge"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2222"]
[BlackElo "2144"]
[PlyCount "33"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. Nf4 e5 8. Nxg6 hxg6 9. dxe5 Qa5+ 10. Bd2 Qxe5+ 11. Qe2 Qxe2+ 12. Bxe2 Bc5 13. 0-0 Nbd7 14. Bf3 0-0 15. Bc3 Rfe8 16. Rfe1 Nb6 17. Rxe8+ 1/2-1/2

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.14"]
[Round "10"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2370"]
[BlackElo "2222"]
[PlyCount "69"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 c5 9. dxc5 Bxc5 10. N1f3 h6 11. Ne4 Nxe4 12. Qxe4 Nd5 13. 0-0 Qc7 14. Qg4 0-0 15. Re1 Bd6 16. Qe4 Nf6 17. Qh4 Nd5 18. c4 Nf4 19. Bxf4 Bxf4 20. c5 Qd8 21. Qxf4 Qxd3 22. Rad1 Qf5 23. Qc7 Qf6 24. Ne5 Re8 25. Rd3 b6 26. c6 Ba6 27. Rf3 Qe7 28. Rxf7 Qxc7 29. Rxc7 Rec8 30. Re7 Re8 31. Rxe8+ Rxe8 32. Rd1 Bc8 33. c7 Kf8 34. Rd8 a6 35. Nc4 1-0

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.13"]
[Round "9"]
[White "Cornejo Perales, Guillermo"]
[Black "Mendoza, Rodrigo"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "2222"]
[BlackElo "2148"]
[PlyCount "48"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. d4 Bg4 7. Be2 e6 8. Bf4 Bd6 9. Qd2 Qc7 10. Bg3 Nd7 11. 0-0-0 0-0-0 12. Kb1 Bh5 13. Bxd6 Qxd6 14. Qa5 Bxf3 15. Bxf3 Kb8 16. c4 Qc7 17. Qc3 Nb6 18. g3 Rd7 19. Rd2 Rhd8 20. Rhd1 f5 21. b3 f6 22. Bg2 Nc8 23. Qe3 e5 24. Bh3 Ne7 1/2-1/2

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.12"]
[Round "8"]
[White "Arias, Juan Carlos"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2113"]
[BlackElo "2222"]
[PlyCount "84"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d3 0-0 6. e4 e5 7. Nge2 Nc6 8. 0-0 Be6 9. h3 Ne8 10. Be3 Qd7 11. Kh2 Nd4 12. f4 c6 13. Bg1 Nxe2 14. Qxe2 Nc7 15. Rad1 exf4 16. gxf4 Rfe8 17. f5 Bxf5 18. Qf2 Be5+ 19. Kh1 Bxh3 20. d4 Bxg2+ 21. Qxg2 Bg7 22. Rf3 Rf8 23. Rdf1 Rae8 24. Be3 Qe6 25. d5 Qd7 26. Rh3 f5 27. Bh6 fxe4 28. Rxf8+ Rxf8 29. Bxg7 Qxg7 30. dxc6 bxc6 31. Nxe4 Qe5 32. Rd3 Qh5+ 33. Rh3 Qd1+ 34. Kh2 Ne6 35. Nc3 Qe1 36. Rf3 Qh4+ 37. Kg1 Qd4+ 38. Kh2 Qe5+ 39. Kg1 Nf4 40. Qg3 Qc5+ 41. Kh2 Qh5+ 42. Kg1 Ne2+ 0-1

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.12"]
[Round "7"]
[White "Cornejo Perales, Guillermo"]
[Black "Gutierrez, Carmelo"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2222"]
[BlackElo "2253"]
[PlyCount "75"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 d6 8. c3 0-0 9. d4 cxd4 10. cxd4 Qb6 11. d5 Bxb2 12. Be3 Qd8 13. Nbd2 exd5 14. Rb1 Bg7 15. Bg5 h6 16. Bh4 d4 17. g4 Rb8 18. h3 Be6 19. Nb3 Bxb3 20. Qxb3 b5 21. Nd2 g5 22. Bg3 Be5 23. Nf1 Ng6 24. Rec1 Qd7 25. Qd5 Nce7 26. Qb3 a6 27. Qa3 Rb6 28. Nd2 Rc8 29. Nc4 Rbc6 30. Na5 Rc3 31. Nb3 Rxc1+ 32. Rxc1 Rxc1+ 33. Qxc1 Qc6 34. Qa3 Qb6 35. Qb2 d3 36. Qd2 b4 37. h4 gxh4 38. Bf1 0-1

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.11"]
[Round "6"]
[White "Cori Tello, Deysi Estella"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2430"]
[BlackElo "2222"]
[PlyCount "54"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 d6 5. Nf3 h6 6. Bh4 g5 7. Bg3 Nh5 8. e3 e6 9. Nd2 Nxg3 10. hxg3 Nd7 11. Qc2 Qe7 12. 0-0-0 Nf6 13. Bd3 Bd7 14. Kb1 0-0-0 15. e4 Kb8 16. Nb3 Bc8 17. f3 Nd7 18. f4 c5 19. Be2 cxd4 20. Nxd4 Nc5 21. b4 Na6 22. a3 Nc7 23. Bf3 g4 24. Be2 e5 25. fxe5 Qxe5 26. Rd3 Rhe8 27. Rf1 Bh8 1/2-1/2

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.10"]
[Round "5"]
[White "Cornejo Perales, Guillermo"]
[Black "Monroy Carrizo, Javier"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2222"]
[BlackElo "2053"]
[PlyCount "59"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 b6 4. c4 Bb7 5. Nc3 d6 6. Be2 Nd7 7. 0-0 e6 8. Bg5 f6 9. Be3 Ne7 10. Qb3 0-0 11. c5 d5 12. Rac1 c6 13. Rfe1 h6 14. Bf4 Kh7 15. exd5 cxd5 16. Bd6 Re8 17. Nb5 bxc5 18. Nc7 Bc6 19. Nxe8 Qxe8 20. dxc5 Nf5 21. Bd3 Nxd6 22. cxd6 Nb6 23. Bxg6+ Qxg6 24. Rxc6 e5 25. Rc7 Rd8 26. Nh4 Qg5 27. Qg3 Kg8 28. Nf5 Rd7 29. Qxg5 hxg5 30. Rec1 1-0

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.09"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Borda Rivera, Carla Wendy"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2222"]
[BlackElo "1950"]
[PlyCount "129"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Ne5 Qd6 8. d4 Nd7 9. Nxg6 Qxg6 10. Bd3 Qd6 11. Be3 Ngf6 12. c4 Qb4+ 13. Qd2 e6 14. 0-0-0 Qxd2+ 15. Bxd2 Bd6 16. Ne4 Nxe4 17. Bxe4 Nf6 18. Bf3 0-0-0 19. Bc3 c5 20. Kb1 Rhg8 21. Rhe1 Nd7 22. d5 e5 23. Bg4 Rde8 24. Re2 g6 25. h5 gxh5 26. Bh3 Kd8 27. Rde1 f6 28. Re4 Nf8 29. Rh4 Ng6 30. Rxh5 Rh8 31. g3 Re7 32. Bf5 Rg7 33. Reh1 Ne7 34. Be6 Rgh7 35. Bd2 a6 36. Kc2 Ke8 37. a3 Kd8 38. b4 b6 39. Be3 Kc7 40. Kb3 Kb7 41. Rxh6 Rxh6 42. Rxh6 Rxh6 43. Bxh6 Nc8 44. bxc5 bxc5 45. Bg7 Be7 46. Bxc8+ Kxc8 47. f3 Kb7 48. g4 Kc7 49. Ka4 Kb7 50. d6 Bd8 51. Bf8 Kc6 52. Be7 Bb6 53. Kb3 Kd7 54. Bxf6 Kxd6 55. Kc2 Ke6 56. Bg5 Bc7 57. Kd3 Ba5 58. Ke3 Bb6 59. Ke4 Ba7 60. Bd2 Bb8 61. Bc3 Bd6 62. g5 Be7 63. g6 Bf6 64. f4 exf4 65. g7 1-0

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.09"]
[Round "4"]
[White "Zambrana, Oswaldo"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2478"]
[BlackElo "2222"]
[PlyCount "111"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. exd5 a5 16. a3 Kg8 17. h4 b4 18. axb4 axb4 19. Qd4 Qc7 20. h5 Bf5 21. Kd2 Qc5 22. Qxc5 Rxc5 23. hxg6 Bxg6 24. Rh4 Rfc8 25. Rc1 Rb8 26. Rf4 Kf8 27. g4 Rb7 28. Rd4 f6 29. f4 Bf7 30. Kd3 Rbb5 31. Ke4 Kg7 32. f5 Ra5 33. Rh1 Rcb5 34. Rhd1 Bg8 35. Rg1 Bf7 36. Re1 Kf8 37. Rd2 Rc5 38. Rd4 Rcb5 39. Bc4 Rc5 40. b3 Bg8 41. c3 bxc3 42. b4 Rxc4 43. bxa5 Rc5 44. Ra4 Bxd5+ 45. Kd4 Bf3 46. a6 c2 47. Rc1 Bxg4 48. Ke3 Rxf5 49. a7 Bf3 50. Rxc2 Bd5 51. Rd4 Re5+ 52. Kf4 Bb7 53. Rc7 Bg2 54. Rd3 Ra5 55. Re3 e5+ 56. Kf5 1-0

[Event "American Continental 09th"]
[Site "Cochabamba"]
[Date "2013.05.08"]
[Round "2"]
[White "Lenderman, Aleksandr"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2585"]
[BlackElo "2222"]
[PlyCount "57"]
[EventDate "2013.05.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BOL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. c3 Nbd7 7. Bd3 b6 8. Qe2 Bb7 9. e4 dxe4 10. Nxe4 Re8 11. 0-0 h6 12. Bh4 Nd5 13. Qc2 Qc8 14. Bb5 a6 15. Ba4 b5 16. Bb3 c5 17. dxc5 Nxc5 18. Nxc5 Qxc5 19. Qe4 e6 20. Bg3 f5 21. Qe2 f4 22. Bh4 g5 23. Bxg5 hxg5 24. Nxg5 Qc6 25. Qg4 Nf6 26. Qh3 Qxg2+ 27. Qxg2 Bxg2 28. Kxg2 Kh8 29. Nxe6 1-0

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.07"]
[Round "7"]
[White "Cornejo Perales, Guillermo"]
[Black "Ramos, Ernesto"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2196"]
[BlackElo "2278"]
[PlyCount "55"]
[EventDate "2007.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. d4 Bg4 6. d5 Nd4 7. Be3 Nxf3+ 8. gxf3 Bh5 9. Qe2 Nd7 10. Bh3 Be7 11. Rg1 a6 12. Bg4 Bg6 13. Qd2 b5 14. Ne2 Nb6 15. b3 Bh4 16. Ng3 Bxg3 17. Rxg3 0-0 18. Ke2 f5 19. exf5 Bxf5 20. Rag1 Bg6 21. Be6+ Kh8 22. Rxg6 hxg6 23. Bg5 Qe8 24. Rg3 Rf7 25. Qb4 e4 26. Qxe4 Kg8 27. Rh3 Nxd5 28. Bxd5 1-0

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.06"]
[Round "6"]
[White "Retamozo, Henry"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2263"]
[BlackElo "2196"]
[PlyCount "52"]
[EventDate "2007.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b4 a5 4. b5 Bg7 5. Bb2 0-0 6. e3 d6 7. Nc3 e5 8. d3 Re8 9. Qc2 c6 10. a4 d5 11. cxd5 cxd5 12. Be2 d4 13. Ne4 Nd5 14. exd4 exd4 15. 0-0 Nf4 16. Bd1 Bf5 17. Re1 Nd7 18. Nxd4 Nxd3 19. Qxd3 Nc5 20. Qc4 Nxe4 21. Nxf5 Bxb2 22. Nh6+ Kg7 23. Rb1 Bd4 24. Nxf7 Qf6 25. Rf1 Nd2 26. Qd5 Qxf2+ 0-1

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.05"]
[Round "5"]
[White "Cornejo Perales, Guillermo"]
[Black "Pacheco, Garri"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2196"]
[BlackElo "2201"]
[PlyCount "65"]
[EventDate "2007.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Nc3 e5 6. Nd5 Nge7 7. d3 0-0 8. Bg5 f6 9. Bc4 Kh8 10. Be3 d6 11. c3 Na5 12. Qd2 Bg4 13. Ne1 Nxc4 14. dxc4 Nxd5 15. cxd5 Bd7 16. f4 exf4 17. Bxf4 Qe7 18. Nf3 Rae8 19. Rfe1 Bg4 20. Bg3 Bxf3 21. gxf3 Qd7 22. f4 f5 23. e5 dxe5 24. fxe5 f4 25. e6 Qd6 26. Bf2 Rf5 27. c4 b5 28. Rad1 bxc4 29. Re4 Rb8 30. e7 Re8 31. Re6 Qc7 32. d6 Qc6 33. d7 1-0

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.03"]
[Round "4"]
[White "Cisneros, Miguel"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "E95"]
[BlackElo "2196"]
[PlyCount "72"]
[EventDate "2007.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Re1 c6 10. b3 Qe7 11. Bf1 Ne8 12. Bg5 f6 13. Bd2 Nc7 14. Qc1 Re8 15. b4 Ne6 16. c5 f5 17. Bc4 Kh8 18. Bg5 Qf8 19. Bxe6 Rxe6 20. Bd2 f4 21. Qc2 g5 22. Na4 Qe7 23. g3 Rh6 24. Bc3 Nf8 25. Nb2 Bg4 26. Nd2 Qf7 27. f3 fxg3 28. Re2 Bxf3 29. Nxf3 Qxf3 30. Qd3 gxh2+ 31. Rxh2 Qg4+ 32. Rg2 Qh5 33. Nc4 Ng6 34. Qg3 Nf4 35. Rh2 Ne2+ 36. Rxe2 Qxe2 0-1

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.01"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Saenz Ayllon, Ivan David"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "2196"]
[PlyCount "53"]
[EventDate "2007.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. d4 exd4 5. Nxd4 Nge7 6. Nb3 g6 7. Bg5 Bg7 8. Qd2 0-0 9. Bh6 Be6 10. 0-0-0 Ne5 11. h4 Bxh6 12. Qxh6 Ng4 13. Qd2 h5 14. f3 Ne5 15. Qh6 f5 16. Nd4 Qd7 17. exf5 Bxf5 18. g4 hxg4 19. h5 gxf3 20. hxg6 Bxg6 21. Bh3 Ng4 22. Qg5 Rf5 23. Qxg4 Raf8 24. Nd5 Nxd5 25. Qxg6+ Qg7 26. Qxg7+ Kxg7 27. Nxf5+ 1-0

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.03.31"]
[Round "2"]
[White "Cornejo, Max"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2297"]
[BlackElo "2196"]
[PlyCount "51"]
[EventDate "2007.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. c3 d5 8. Qe2 0-0 9. e5 b5 10. h4 a5 11. Bf4 a4 12. Rd1 Qb6 13. Nbd2 Ba6 14. Nf1 Rac8 15. Qd2 Qc7 16. Re1 Rfd8 17. Rac1 Qa7 18. Bg5 d4 19. c4 bxc4 20. dxc4 Rb8 21. Bf6 Rb4 22. N3h2 Rc8 23. Ng4 Nf5 24. h5 Rxc4 25. Be4 Nfe7 26. Bxg7 1-0

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.03.29"]
[Round "1"]
[White "Cornejo Perales, Guillermo"]
[Black "Saona, Edward"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2196"]
[PlyCount "65"]
[EventDate "2007.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Nc3 a6 14. Bh4 Bd7 15. Bg3 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. Nxd5 Qd6 19. Bc4 Kh8 20. Bxe5 Qxe5 21. Nxf6 Bc6 22. Ng4 Qg5 23. Ne3 Rae8 24. Qg4 Qe5 25. Bd3 Rf4 26. Qh3 h6 27. Qg3 Ref8 28. Qg6 Kg8 29. Qh7+ Kf7 30. Bc4+ Ke7 31. Rae1 Be4 32. Nd5+ Kd6 33. Nxf4 1-0

[Event "South America-ch U20"]
[Site "San Luis"]
[Date "2006.02.26"]
[Round "7"]
[White "Blit, Jacques"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2270"]
[BlackElo "2175"]
[PlyCount "94"]
[EventDate "2006.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. f3 Nf6 6. c4 Nxd4 7. Qxd4 g6 8. Nc3 Bg7 9. Be3 0-0 10. Qd2 Be6 11. Rc1 Qa5 12. Be2 Rfc8 13. b3 a6 14. a4 Nd7 15. Bd4 Bxd4 16. Qxd4 Nc5 17. Rb1 Qb4 18. Kf2 a5 19. h4 Qb6 20. Ke3 Ra6 21. Bd1 Bd7 22. Nd5 e5 23. Qd2 Qd8 24. Ke2 Bc6 25. h5 Bxd5 26. exd5 Qf6 27. Bc2 Re8 28. hxg6 fxg6 29. Qh6 Re7 30. Rh4 Rb6 31. Rbh1 Nxb3 32. Bxg6 Nd4+ 33. Kd2 Qxg6 34. Qxg6+ hxg6 35. Rh8+ Kf7 36. R1h7+ Kf6 37. Rf8+ Kg5 38. Rxe7 Rb2+ 39. Kd3 Rb3+ 40. Kd2 Rb2+ 41. Kc1 Rxg2 42. Rxb7 Rc2+ 43. Kd1 Rxc4 44. Rb6 Nf5 45. Ra8 Rxa4 46. Rb5 Rd4+ 47. Ke2 a4 1/2-1/2

[Event "South America-ch U20"]
[Site "San Luis"]
[Date "2006.02.25"]
[Round "6"]
[White "Cornejo Perales, Guillermo"]
[Black "Latorre, Manuel"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2175"]
[BlackElo "2103"]
[PlyCount "26"]
[EventDate "2006.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Nc3 Nxc3 8. bxc3 Qc7 9. Bd2 e6 10. exd6 Bxd6 11. Bd3 h6 12. 0-0 0-0 13. c4 b6 1/2-1/2

[Event "South America-ch U20"]
[Site "San Luis"]
[Date "2006.02.24"]
[Round "4"]
[White "Cornejo Perales, Guillermo"]
[Black "Pereyra, Juan"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2175"]
[PlyCount "81"]
[EventDate "2006.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. Bd3 Na6 7. 0-0 c5 8. d5 Nc7 9. a4 a6 10. Qe2 Rb8 11. a5 Bd7 12. Re1 b5 13. axb6 Rxb6 14. Nd2 Qa8 15. Nc4 Rb4 16. Bd2 Rbb8 17. h3 Nb5 18. Nxb5 Bxb5 19. Ra2 Qb7 20. Na5 Qb6 21. c4 Bd7 22. Kh2 e5 23. fxe5 dxe5 24. b4 cxb4 25. Be3 Qc7 26. Nb3 Nh5 27. c5 f5 28. d6 Qd8 29. exf5 e4 30. Bc4+ Kh8 31. Bd4 Bxd4 32. Nxd4 Qf6 33. Qxe4 Rfe8 34. Be6 b3 35. Rb2 Rb4 36. c6 Rxd4 37. cxd7 Rd8 38. Qe5 Qxe5+ 39. Rxe5 Rxd6 40. Rxb3 Nf6 41. Ra5 1/2-1/2

[Event "South America-ch U20"]
[Site "San Luis"]
[Date "2006.02.23"]
[Round "3"]
[White "Escudero, Leonardo"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2175"]
[PlyCount "76"]
[EventDate "2006.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Na3 Nf6 5. Nb5 Qd8 6. d4 a6 7. Na3 cxd4 8. Qxd4 Qxd4 9. cxd4 Nc6 10. Be3 Bf5 11. Nf3 e6 12. Nc4 Bb4+ 13. Bd2 Bxd2+ 14. Nfxd2 Nxd4 15. Nd6+ Ke7 16. Nxf5+ Nxf5 17. Bd3 Nd6 18. 0-0 Nd5 19. a3 Nf4 20. Ne4 Nxd3 21. Nxd6 Kxd6 22. Rfd1 Ke7 23. Rxd3 Rhd8 24. Rxd8 Rxd8 25. Kf1 Rd2 26. b4 e5 27. Rc1 Kd7 28. Rc3 Ra2 29. g4 b5 30. g5 Ke6 31. Rc6+ Kf5 32. g6 hxg6 33. Rxa6 Kf4 34. Kg2 e4 35. Ra7 f5 36. Re7 g5 37. Re6 Rxa3 38. Rd6 Rb3 0-1

[Event "South America-ch U20"]
[Site "San Luis"]
[Date "2006.02.22"]
[Round "2"]
[White "Cornejo Perales, Guillermo"]
[Black "Needleman, Gaston"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2175"]
[BlackElo "2413"]
[PlyCount "48"]
[EventDate "2006.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nc6 7. Nb3 b5 8. Be3 Bb7 9. f4 Na5 10. Nxa5 Qxa5 11. 0-0 Nf6 12. e5 b4 13. exf6 bxc3 14. bxc3 gxf6 15. c4 Bc5 16. Qe1 Qb6 17. Bxc5 Qxc5+ 18. Kh1 Ke7 19. Be4 Bxe4 20. Qxe4 Rac8 21. f5 Qxc4 22. Qf3 Qc3 23. fxe6 Qxf3 24. Rxf3 fxe6 0-1

[Event "South America-ch U20"]
[Site "San Luis"]
[Date "2006.02.22"]
[Round "1"]
[White "Lucero, Gabriel Nicolas"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2175"]
[PlyCount "50"]
[EventDate "2006.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. Nc3 d5 2. d4 Nf6 3. Nf3 c5 4. e3 Nc6 5. Bb5 Bg4 6. h3 Bd7 7. 0-0 e6 8. Ne5 Nxe5 9. dxe5 Bxb5 10. exf6 Bxf1 11. fxg7 Bxg7 12. Qxf1 Qd7 13. Bd2 0-0-0 14. Qb5 Qxb5 15. Nxb5 a6 16. Nc3 Bxc3 17. Bxc3 d4 18. Bd2 d3 19. c3 Kd7 20. Rd1 Kc6 21. c4 b5 22. cxb5+ axb5 23. Bc3 Rhg8 24. Ba5 Ra8 25. Bc3 b4 0-1

[Event "South America-ch U20"]
[Site "San Luis"]
[Date "2006.02.??"]
[Round "8"]
[White "Cornejo Perales, Guillermo"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2175"]
[BlackElo "2454"]
[PlyCount "73"]
[EventDate "2006.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4 a5 8. Qe2 0-0 9. h3 Na6 10. 0-0 dxe5 11. dxe5 Nc5 12. Rd1 Qe8 13. Nc3 Be6 14. Bxe6 Nxe6 15. Qe4 Qc6 16. Qxc6 bxc6 17. b3 Rfd8 18. Ba3 Kf8 19. Ne4 Ke8 20. Rxd8+ Rxd8 21. Re1 Rd5 22. Ned2 Bh6 23. Ne4 Bf4 24. Nc3 Rd2 25. Re2 Rd8 26. g3 Bh6 27. h4 c5 28. Kg2 c4 29. b4 Ra8 30. bxa5 Rxa5 31. Bb4 Ra6 32. a5 Nd7 33. Ne4 c5 34. Bc3 Nd4 35. Nxd4 cxd4 36. Bxd4 Rxa5 37. f4 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Balneario Camboriu"]
[Date "2005.06.17"]
[Round "9"]
[White "Bueno, Alfeu Varela Jr"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2217"]
[BlackElo "2161"]
[PlyCount "48"]
[EventDate "2005.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. d3 e5 7. h3 Nge7 8. Nf3 0-0 9. 0-0 Nd4 10. Ne2 f5 11. c3 Ne6 12. Be3 Rb8 13. Qc2 b6 14. Rf2 Kh8 15. Raf1 Qc7 16. Nh2 Bb7 17. g4 d5 18. fxe5 dxe4 19. dxe4 Bxe5 20. Nf4 Ng5 21. gxf5 gxf5 22. Ng4 fxg4 23. Nd5 Rxf2 24. Nxc7 Rxc2 0-1

[Event "Pan American-ch U18"]
[Site "Balneario Camboriu"]
[Date "2005.06.16"]
[Round "8"]
[White "Schneider, Igor"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2322"]
[BlackElo "2161"]
[PlyCount "119"]
[EventDate "2005.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. exd5 a5 16. a3 b4 17. axb4 axb4 18. Qxb4 Kg8 19. Rhe1 Re8 20. Rd4 Ra8 21. Kd2 Rb8 22. Qc3 Rc8 23. Rc4 Rxc4 24. Bxc4 Qb6 25. b3 Qf2+ 26. Re2 Qg1 27. h3 Qc5 28. Re3 e5 29. dxe6 fxe6 30. Qf6 d5 31. Bd3 Rf8 32. Qe5 Ra8 33. Ke2 Qb4 34. Kf2 Qb6 35. Kg3 Ra5 36. Qf4 Ra8 37. Re5 Rf8 38. Qg5 Qc7 39. f4 Kg7 40. h4 Qd8 41. Qxd8 Rxd8 42. h5 Kf6 43. hxg6 hxg6 44. Kf2 Rh8 45. Rg5 Be8 46. Ke3 Rh1 47. Kd4 Re1 48. b4 Rb1 49. Kc5 Rb2 50. Rg3 Ke7 51. Re3 Kf6 52. Re1 Bd7 53. Ra1 Be8 54. Ra8 Ke7 55. g4 Rb1 56. Ra7+ Kf8 57. b5 Bxb5 58. Bxb5 Rg1 59. g5 Rg4 60. Ra4 1-0

[Event "Pan American-ch U18"]
[Site "Balneario Camboriu"]
[Date "2005.06.15"]
[Round "7"]
[White "Cornejo Perales, Guillermo"]
[Black "Choma, Ernani Francisco"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2161"]
[BlackElo "2281"]
[PlyCount "73"]
[EventDate "2005.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nge7 5. 0-0 a6 6. Bxc6 Nxc6 7. d4 cxd4 8. Nxd4 d6 9. Re1 Be7 10. Nxc6 bxc6 11. e5 d5 12. Qg4 Kf8 13. Ne2 f5 14. Qf3 Qe8 15. c4 Kf7 16. cxd5 cxd5 17. Nd4 Rf8 18. Qh5+ Kg8 19. Qxe8 Rxe8 20. Be3 Bd7 21. Rec1 Rec8 22. Rxc8+ Rxc8 23. Rc1 Rxc1+ 24. Bxc1 g5 25. Kf1 Kf7 26. Ke2 Bb5+ 27. Nxb5 axb5 28. Be3 Ke8 29. Kd3 Kd7 30. a3 h6 31. b4 Kc6 32. f3 Bd8 33. Bd4 f4 34. Kc3 Bb6 35. Bxb6 Kxb6 36. Kd4 h5 37. h3 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Balneario Camboriu"]
[Date "2005.06.13"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Pavoni, Felipe Stevanin"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2161"]
[PlyCount "37"]
[EventDate "2005.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. Bxc6+ bxc6 5. 0-0 g6 6. c3 d5 7. d3 Bg7 8. Re1 e6 9. c4 Ne7 10. Qc2 Qb6 11. Nc3 Bxc3 12. Qxc3 d4 13. Qd2 0-0 14. e5 f6 15. exf6 Rxf6 16. Qg5 Rf7 17. Ne5 Rg7 18. Ng4 a6 19. Nh6+ 1-0

[Event "Lima op"]
[Site "Lima"]
[Date "2005.03.20"]
[Round "3"]
[White "Ramos, Ernesto"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2281"]
[BlackElo "2161"]
[PlyCount "31"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bg4 5. Ne5 Bh5 6. 0-0 e6 7. c4 Nbd7 8. Nc3 Nxe5 9. dxe5 Nd7 10. cxd5 cxd5 11. f4 Bc5+ 12. Kh1 0-0 13. Na4 Be7 14. Be3 Qa5 15. Nc3 Nb6 16. Bd4 1/2-1/2

[Event "Lima op"]
[Site "Lima"]
[Date "2005.03.19"]
[Round "2"]
[White "Cornejo Perales, Guillermo"]
[Black "Mato Felix, Samuel"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2161"]
[PlyCount "59"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. h3 Bh5 9. Nc3 0-0 10. exd6 cxd6 11. b3 d5 12. c5 N6d7 13. Bf4 Bxf3 14. Bxf3 a6 15. b4 b6 16. Rb1 Bf6 17. Bd6 Re8 18. Ne2 Nc6 19. Qd3 Nf8 20. Rfd1 Ng6 21. g4 Nh4 22. Bh1 a5 23. b5 Ne7 24. Qg3 bxc5 25. dxc5 g6 26. b6 Nc6 27. b7 Rb8 28. Rb6 Qd7 29. Bxb8 Nxb8 30. c6 1-0

[Event "Lima op"]
[Site "Lima"]
[Date "2005.03.18"]
[Round "1"]
[White "Jimenez, Jaime"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "A46"]
[BlackElo "2161"]
[PlyCount "42"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 c5 2. c3 Nf6 3. Nf3 b6 4. Nbd2 Bb7 5. e3 g6 6. Bd3 d5 7. 0-0 Bg7 8. Re1 0-0 9. Qc2 Nbd7 10. e4 dxe4 11. Nxe4 cxd4 12. Nxd4 e5 13. Nf3 Qc7 14. Bg5 Nd5 15. Rad1 f5 16. Qb3 Kh8 17. Bc4 fxe4 18. Bxd5 exf3 19. gxf3 Nc5 20. Qc4 Bxd5 21. Rxd5 Qf7 0-1

[Event "Huacho op 2nd"]
[Site "Huacho"]
[Date "2004.09.19"]
[Round "8"]
[White "Cahuana, Luis"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2195"]
[BlackElo "2156"]
[PlyCount "106"]
[EventDate "2004.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 d6 5. Bg2 f5 6. d4 e4 7. f3 Nf6 8. Nh3 0-0 9. 0-0 exf3 10. exf3 Kh8 11. Nf4 Qe8 12. Re1 Qf7 13. Qb3 Nc6 14. d5 Ne5 15. c5 g5 16. Ne6 Nd3 17. Re3 Nxc1 18. Rxc1 Rg8 19. cxd6 cxd6 20. c4 f4 21. Re2 Bxe6 22. Rxe6 Rae8 23. Rce1 Rxe6 24. dxe6 Qe7 25. Bh3 b6 26. Bf5 Nd7 27. Qb4 Nc5 28. g4 Rf8 29. Qd2 Kg8 30. Qd5 Rd8 31. Kf2 Kf8 32. Qd4 Kg8 33. Qd5 Kf8 34. h4 gxh4 35. Qd4 Kg8 36. Qxf4 d5 37. cxd5 Rxd5 38. Qh6 Rxf5 39. gxf5 Nd3+ 40. Ke2 Nxe1 41. Kxe1 Qb4+ 42. Kf2 Qb2+ 43. Kg1 Qb1+ 44. Kf2 Qc2+ 45. Ke1 Qxf5 46. Qe3 Qb1+ 47. Kf2 Qxa2+ 48. Kg1 Qb1+ 49. Kh2 Qc2+ 50. Kh3 Qf5+ 51. Kxh4 Qf6+ 52. Kh3 Kf8 53. Qe4 Qh6+ 0-1

[Event "Huacho op 2nd"]
[Site "Huacho"]
[Date "2004.09.19"]
[Round "9"]
[White "Cornejo Perales, Guillermo"]
[Black "Pacheco, Marco"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2156"]
[BlackElo "2301"]
[PlyCount "68"]
[EventDate "2004.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. cxd4 Nf6 7. Nc3 Qd6 8. Bd3 Nc6 9. 0-0 Be7 10. Be3 0-0 11. Qe2 b6 12. a3 Bb7 13. Rad1 Rac8 14. Rfe1 Rfd8 15. h3 h6 16. Bb1 Bf8 17. Bc1 Ne7 18. Ne5 Nf5 19. Ba2 Re8 20. Nb5 Qb8 21. Nxf7 Kxf7 22. Bxe6+ Rxe6 23. Qxe6+ Kg6 24. Qb3 Bd5 25. Qd3 Bc4 26. Qb1 Bxb5 27. g4 Bd7 28. Re5 Qc7 29. gxf5+ Kh7 30. Bd2 Bd6 31. Bc3 Qc4 32. Qc1 Qf7 33. Qc2 Qh5 34. Qd3 Bxe5 0-1

[Event "Huacho op 2nd"]
[Site "Huacho"]
[Date "2004.09.18"]
[Round "7"]
[White "Cornejo Perales, Guillermo"]
[Black "Celis Sanchez, Carlos"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2156"]
[BlackElo "2261"]
[PlyCount "79"]
[EventDate "2004.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Nc6 3. d3 Bc5 4. Nf3 d6 5. 0-0 Nf6 6. c4 0-0 7. Nc3 h6 8. b3 a6 9. Bb2 Bf5 10. a3 Qd7 11. Re1 Bh3 12. Bh1 Rae8 13. e3 Ba7 14. b4 Ng4 15. Qb3 f5 16. b5 Ne7 17. c5+ Kh7 18. b6 cxb6 19. cxb6 Bb8 20. Rac1 Ng6 21. Nd2 f4 22. Nd1 fxe3 23. fxe3 Qf5 24. Be4 Qh5 25. Nf3 Nf6 26. Bxb7 d5 27. Nf2 Be6 28. Nd2 d4 29. Qd1 dxe3 30. Rxe3 Ng4 31. Nxg4 Bxg4 32. Qe1 Kh8 33. Rc5 Bd6 34. Rc6 Re6 35. Bxa6 Bc5 36. Rxc5 Rxb6 37. Bb5 Bh3 38. a4 Rb7 39. Bxe5 Rbf7 40. Bxg7+ 1-0

[Event "Huacho op 2nd"]
[Site "Huacho"]
[Date "2004.09.18"]
[Round "6"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2220"]
[BlackElo "2156"]
[PlyCount "67"]
[EventDate "2004.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nb5 b6 14. b4 a6 15. Nc3 Rf6 16. Nd3 Rg6 17. a4 Nf6 18. a5 g4 19. Bh4 gxf3 20. Bxf3 Ng4 21. axb6 cxb6 22. c5 Ne3 23. Qb3 Bh3 24. Ne1 Kh8 25. c6 b5 26. Qa2 Qb6 27. Qa5 Nc8 28. Qxb6 Nxb6 29. Rf2 Rh6 30. Be7 Bg4 31. Bxg4 Nxg4 32. Rfa2 Nc8 33. Rxa6 Rxa6 34. Rxa6 1-0

[Event "Huacho op 2nd"]
[Site "Huacho"]
[Date "2004.09.16"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Mansilla, Juan"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2156"]
[BlackElo "2246"]
[PlyCount "70"]
[EventDate "2004.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. h3 Qb6 8. Na3 d6 9. d4 cxd4 10. cxd4 d5 11. e5 Ne8 12. Bg5 f6 13. exf6 exf6 14. Bf4 g5 15. Bg3 g4 16. hxg4 Bxg4 17. Qb3 Rd8 18. Bxc6 Qxc6 19. Rac1 Qd7 20. Rc2 a6 21. Rce2 Rf7 22. Nc2 Bf8 23. Ne3 Bxf3 24. gxf3 Ng7 25. Rc2 Ne6 26. Qd3 Rg7 27. Ng4 Rf7 28. Rce2 Ng5 29. Qe3 Qf5 30. Nh2 Bb4 31. f4 Ne4 32. Rc1 Rg7 33. a3 Bd6 34. Kh1 Kh8 35. Rg1 Rdg8 0-1

[Event "PER Grand Prix 1st"]
[Site "Lima"]
[Date "2004.??.??"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Ramos, Ernesto"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2172"]
[BlackElo "2262"]
[PlyCount "90"]
[EventDate "2004.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. 0-0 Bg7 5. d3 0-0 6. Nbd2 c5 7. e4 Nc6 8. Re1 e6 9. c3 dxe4 10. dxe4 Qc7 11. Qe2 Nd7 12. Nf1 b6 13. Bf4 e5 14. Bd2 a5 15. Ne3 Ba6 16. Qd1 Ne7 17. c4 Nf6 18. Qc2 Nc6 19. Nd5 Nxd5 20. cxd5 Nb4 21. Bxb4 axb4 22. a3 bxa3 23. Rxa3 b5 24. Bf1 Qb6 25. Rea1 Rfe8 26. Ra5 c4 27. b3 cxb3 28. Qxb3 Reb8 29. Kg2 Bf6 30. Qb2 Bd8 31. Nxe5 Bf6 32. f4 Kg7 33. Qf2 Qd6 34. Bxb5 Bb7 35. Nc4 Qb4 36. R1a4 Qb1 37. Nd2 Qc2 38. Nf3 Qb1 39. e5 Bd8 40. Ra1 Qe4 41. Rxa8 Bxa8 42. Bc6 Bxc6 43. dxc6 Qxc6 44. Rd1 Ba5 45. Kf1 Rb2 0-1

[Event "PER Grand Prix 1st"]
[Site "Lima"]
[Date "2004.??.??"]
[Round "6"]
[White "Mansilla, Juan"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2268"]
[BlackElo "2172"]
[PlyCount "46"]
[EventDate "2004.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. dxc3 d6 5. Bg2 f5 6. e4 Nc6 7. Qc2 Nge7 8. Ne2 0-0 9. Be3 Be6 10. b3 Ng6 11. exf5 Bxf5 12. Be4 Qf6 13. 0-0-0 Rad8 14. h4 h6 15. Bxf5 Qxf5 16. Qxf5 Rxf5 17. h5 Nge7 18. g4 Rf3 19. Rhg1 Kh7 20. Rg3 Rdf8 21. Rxf3 Rxf3 22. Ng3 Nd8 23. Kd2 Ne6 1/2-1/2

[Event "PER Grand Prix 1st"]
[Site "Lima"]
[Date "2004.??.??"]
[Round "9"]
[White "Sierra, Miguel"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2300"]
[BlackElo "2172"]
[PlyCount "71"]
[EventDate "2004.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Nc6 6. h3 Bf5 7. Nc3 Nxc3 8. dxc3 Be7 9. Bd3 Bxd3 10. Qxd3 0-0 11. Bf4 Bf6 12. 0-0-0 Re8 13. c5 Be5 14. Be3 dxc5 15. Qc4 Qf6 16. Qxc5 b6 17. Qc4 Na5 18. Qa4 Bd6 19. Qg4 Qg6 20. Qxg6 hxg6 21. b3 Nb7 22. h4 f6 23. Nd4 Kf7 24. Nb5 Re5 25. a4 Re6 26. Kc2 a6 27. Nd4 Re5 28. Nf3 Re4 29. h5 gxh5 30. Rxh5 Rae8 31. Rd4 Bc5 32. Rxe4 Rxe4 33. Nd2 Re7 34. Nc4 Bxe3 35. Nxe3 Nd6 36. Rd5 0-1

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2003.06.10"]
[Round "3"]
[White "Isaza, Yesid Mauricio"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "B74"]
[WhiteElo "1996"]
[PlyCount "117"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Kh1 Nc6 9. Nb3 Be6 10. f4 Qc8 11. Bf3 Rd8 12. Nd5 Qd7 13. c3 Bxd5 14. exd5 Nb8 15. Be3 Na6 16. g4 Qc7 17. g5 Nd7 18. Bd4 Nb6 19. h4 Nc5 20. Bxg7 Kxg7 21. h5 e5 22. h6+ Kg8 23. Bg4 Nc4 24. Qe2 b5 25. f5 Qe7 26. fxg6 Qxg5 27. gxh7+ Kh8 28. Rxf7 Qxh6+ 29. Bh5 Nd3 30. Qh2 Nf4 31. Bf3 Qxh2+ 32. Kxh2 Nxb2 33. Rg1 Rf8 34. Rfg7 Na4 35. Na5 Nxc3 36. Nb7 e4 37. Nxd6 exf3 38. Nf7+ Rxf7 39. Rxf7 Ncxd5 40. Rf1 Rc8 41. Kg3 Rc2 42. Rxa7 f2 43. Rh1 Ne2+ 44. Kxf2 Nec3+ 45. Kf3 Rxa2 46. Rb7 Ra8 47. Kg4 Rf8 48. Re1 Nf6+ 49. Kh4 Nxh7 50. Kh3 Nf6 51. Re3 Nfe4 52. Kh4 Kg8 53. Kh5 Rf7 54. Rb8+ Kg7 55. Re1 Kh7 56. Kh4 Nf2 57. Kg3 Nfe4+ 58. Kh4 Nf2 59. Kg3 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2003.06.09"]
[Round "2"]
[White "Sanchez, Andres Gilberto"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "101"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. e4 d6 6. 0-0 Nc6 7. c3 e5 8. a3 Bg4 9. d5 Ne7 10. h3 Bxf3 11. Qxf3 Nd7 12. g4 Kh8 13. Qg2 f5 14. f4 Nc5 15. Bc2 fxe4 16. b4 Nd3 17. Bxd3 exd3 18. Qe4 c6 19. dxc6 d5 20. Qxd3 e4 21. Qe2 Nxc6 22. Ra2 Qh4 23. Kg2 Rae8 24. Be3 d4 25. cxd4 Nxd4 26. Qf2 Qxf2+ 27. Rfxf2 Nf3 28. Nd2 Ne1+ 29. Kg1 Nd3 30. Rf1 Nb2 31. Nb3 Nc4 32. Bd4 e3 33. Re2 Bxd4 34. Nxd4 Nxa3 35. Rf3 Re4 36. Rexe3 Rxd4 37. Rxa3 a6 38. b5 axb5 39. Rab3 b4 40. f5 gxf5 41. gxf5 Kg7 42. Rbe3 Kf7 43. Re6 Rc8 44. Rb6 Rc7 45. Rb3 Rd2 46. Rb1 h5 47. R6xb4 Kf6 48. Rxb7 Rxb7 49. Rxb7 Kxf5 50. Rb4 Re2 51. Rc4 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2003.06.??"]
[Round "4"]
[White "Cornejo Perales, Guillermo"]
[Black "Reinoso, Sergio"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "67"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Bb5+ Nbd7 5. c4 a6 6. Ba4 b5 7. cxb5 Nxd5 8. Nc3 Bb7 9. Nxd5 Bxd5 10. Nf3 e6 11. bxa6 Bd6 12. d3 0-0 13. 0-0 Rxa6 14. Bb5 Ra7 15. Be3 Qb8 16. Bxd7 Rxd7 17. Qd2 Rb7 18. b3 Rb4 19. Ne5 Bxe5 20. fxe5 Rg4 21. Rf2 Qxe5 22. Rc1 f5 23. Bxc5 Rf6 24. h3 Rg3 25. Re2 Qb8 26. Qb4 Qa8 27. Qa3 Qxa3 28. Bxa3 Rxd3 29. Kh2 h6 30. Be7 Rg6 31. b4 f4 32. Rf2 e5 33. Rcc2 Re6 34. Bc5 0-1

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2003.06.??"]
[Round "7"]
[White "Montesa, Martin"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "D04"]
[PlyCount "27"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. b3 e6 5. Bb2 h6 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. Nc3 Nbd7 10. Qc2 Bg4 11. Be2 Bf5 12. Bd3 Bg4 13. Be2 Bf5 14. Bd3 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Villa Giardino"]
[Date "2002.05.29"]
[Round "6"]
[White "Ovejero, Juan Manuel"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "2265"]
[PlyCount "78"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7 8. 0-0 0-0 9. f5 f6 10. g4 Nd4 11. Be3 Rb8 12. a4 a6 13. Qd2 b5 14. axb5 axb5 15. Ra7 Ndc6 16. Raa1 Nd4 17. Ne2 Nec6 18. Ng3 c4 19. Rae1 cxd3 20. c3 Nc2 21. Rd1 b4 22. Qxd3 Nxe3 23. Qxe3 bxc3 24. bxc3 Ba6 25. Rf2 Na5 26. Bf1 Bxf1 27. Nxf1 Qc7 28. Qd3 Nc4 29. Ne3 Nxe3 30. Qxe3 Rfc8 31. Rc2 Rb3 32. Kg2 Rxc3 33. Rxc3 Qxc3 34. Qxc3 Rxc3 35. Rxd6 gxf5 36. gxf5 Rc2+ 37. Nf2 Bf8 38. Rd8 Kf7 39. Kg3 Bh6 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Villa Giardino"]
[Date "2002.05.28"]
[Round "4"]
[White "Bulo, Paulo Emanuel"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2147"]
[PlyCount "103"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 Nd7 12. a4 Bh6 13. Nd2 f5 14. Nb3 b6 15. a5 Nc5 16. Qc2 fxe4 17. Nxe4 Bf5 18. Bd3 Bxe4 19. Bxe4 Nf5 20. Nxc5 bxc5 21. Bc3 Nd4 22. Bxd4 cxd4 23. c5 Ra7 24. Ra3 Qg5 25. a6 Qd2 26. c6 Qxc2 27. Bxc2 Rb8 28. Rb1 Rxb1+ 29. Bxb1 Bd2 30. Ra4 Kf7 31. Bd3 Kf6 32. Be4 Kg5 33. g3 Kf6 34. Kf1 h5 35. Ke2 Bc3 36. h4 Kf7 37. Bd3 Kf6 38. Bc2 Kf7 39. Be4 Kf6 40. Bg2 g5 41. Bh3 gxh4 42. Kf3 hxg3 43. Kxg3 d3 44. Bf1 d2 45. Be2 Kf5 46. Bd3+ Kg5 47. Bc2 Bd4 48. Bd1 Kf5 49. Bc2+ Kg5 50. Ra3 Bc5 51. Ra2 Bd4 52. Bd1 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Villa Giardino"]
[Date "2002.05.28"]
[Round "5"]
[White "Cornejo Perales, Guillermo"]
[Black "Perez, Robinson Molina"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2322"]
[PlyCount "72"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. 0-0 d5 6. d3 Bd6 7. Re1 Ne7 8. e5 Bc7 9. c4 Ng6 10. Qe2 0-0 11. b3 f6 12. exf6 Qxf6 13. Bb2 e5 14. Qc2 d4 15. Nbd2 Nh4 16. Nxh4 Qxf2+ 17. Kh1 Qxh4 18. Ne4 Bf5 19. Ba3 Bxe4 20. Rxe4 Qf2 21. Qxf2 Rxf2 22. Bxc5 Rd2 23. Bb4 Rxd3 24. Kg1 a5 25. Be1 Rf8 26. Re2 Rf5 27. Rc1 c5 28. Bg3 Kf7 29. Rf1 Rxf1+ 30. Kxf1 Rd1+ 31. Kf2 Kf6 32. Bh4+ g5 33. Bg3 Rb1 34. Kf3 Kf5 35. Be1 g4+ 36. Kf2 e4 0-1

[Event "Pan American-ch U18"]
[Site "Villa Giardino"]
[Date "2002.05.26"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Romero Araya, Diego Alonso"]
[Result "1-0"]
[ECO "A07"]
[BlackElo "2126"]
[PlyCount "69"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 c6 3. d3 d5 4. Nf3 Bd6 5. 0-0 Nf6 6. c4 0-0 7. Nc3 Nbd7 8. e4 dxe4 9. dxe4 Nc5 10. Qc2 Ne6 11. Rd1 Qc7 12. h3 Bd7 13. Be3 b6 14. a3 Bc5 15. Bxc5 bxc5 16. b4 Nd4 17. Nxd4 cxd4 18. Na4 Rad8 19. Nc5 Be6 20. Nd3 Nd7 21. f4 f5 22. Kh2 Rde8 23. Rf1 Rd8 24. Rae1 Rde8 25. Nxe5 Nxe5 26. fxe5 Qxe5 27. exf5 Bxf5 28. Qf2 Be4 29. Qe2 Rxf1 30. Qxf1 Bxg2 31. Rxe5 Bxf1 32. Rxe8+ Kf7 33. Re4 d3 34. Rf4+ Ke6 35. Rxf1 1-0

[Event "Pan American-ch U18"]
[Site "Villa Giardino"]
[Date "2002.05.25"]
[Round "2"]
[White "Mieles Palau, Daniel Alberto"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2407"]
[PlyCount "35"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Nb4 9. cxd5 Nxd3 10. Qxd3 Qxd5 11. Re1 Bf5 12. g4 Bg6 13. Nc3 Nxc3 14. Qxc3 Qd6 15. Ne5 0-0-0 16. Bf4 Rd7 17. Nxd7 Qxd7 18. Bxc7 1-0

[Event "Pan American-ch U18"]
[Site "Villa Giardino"]
[Date "2002.05.24"]
[Round "1"]
[White "Cornejo Perales, Guillermo"]
[Black "Mazziotti Irigoyen, Gabriel"]
[Result "1/2-1/2"]
[ECO "C68"]
[BlackElo "2238"]
[PlyCount "93"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qg3 0-0-0 9. d3 h6 10. Nd2 g5 11. Nc4 Bd6 12. h4 Qe6 13. hxg5 hxg5 14. Bxg5 f6 15. Be3 Ne7 16. f4 Rdg8 17. Qf3 exf4 18. Nxd6+ cxd6 19. Bxf4 Rh3 20. Qe2 Ng6 21. Rf2 Nxf4 22. Rxf4 Rhg3 23. Rf5 d5 24. c3 Rxg2+ 25. Qxg2 Rxg2+ 26. Kxg2 dxe4 27. dxe4 Qxe4+ 28. Rf3 Qe2+ 29. Rf2 Qg4+ 30. Kf1 f5 31. Re1 Qc4+ 32. Ree2 Qxa2 33. Kg1 Qc4 34. Rd2 c5 35. Rg2 Kb8 36. Rdf2 Qe6 37. Re2 Qf6 38. Ref2 a5 39. Rg3 a4 40. Rgf3 Qg5+ 41. Kh2 Qh6+ 42. Kg2 Qc1 43. Re2 a3 44. bxa3 Qxa3 45. Re8+ Ka7 46. Rf8 Qa4 47. R8xf5 1/2-1/2

[Event "PER-ch Regional Centro"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "7"]
[White "Angulo, Alberto"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "69"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. Nf3 Nd7 8. Qe2 Ngf6 9. 0-0 Be7 10. Bb3 0-0 11. Ne5 c5 12. c3 cxd4 13. Nxg6 hxg6 14. cxd4 Nb6 15. Rd1 Nbd5 16. Ne4 Qa5 17. Rd3 Rfd8 18. Bd2 Qa6 19. a3 Rac8 20. Re1 Nh5 21. g3 Nhf6 22. Ng5 Nh7 23. h4 Nxg5 24. hxg5 b5 25. Qe4 b4 26. a4 Qc6 27. Qh4 Qa6 28. Rf3 Qc6 29. Kg2 f6 30. gxf6 Bxf6 31. Qe4 Rc7 32. Qxg6 Re7 33. Rh1 Rf8 34. Bc2 Ne3+ 35. fxe3 1-0

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "1"]
[White "Cabrera Huaman, Andres"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "2214"]
[PlyCount "75"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Nf6 11. Be2 Be7 12. f5 0-0 13. Bh6 Re8 14. fxg6 hxg6 15. 0-0-0 d5 16. Bf3 Qb6 17. Rhe1 Qxd4 18. Rxd4 Be6 19. Rdd1 Bd6 20. h3 Rab8 21. Bg5 Kg7 22. Be3 Rb7 23. Bd4 Reb8 24. b3 Be7 25. Na4 Kg8 26. Nc5 Bxc5 27. Bxc5 Rd7 28. g4 Rb5 29. Bd4 Ne4 30. c4 Ra5 31. Kb2 f5 32. gxf5 Bxf5 33. b4 Rb7 34. b5 Nd6 35. Ka1 Nxc4 36. bxc6 Rc7 37. Bc3 Ra3 38. Bxd5+ 1-0

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "5"]
[White "Cahuana, Luis"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2216"]
[PlyCount "87"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. g3 e5 5. Nf3 Nc6 6. Bg2 h6 7. 0-0 Nf6 8. c4 Be6 9. Qa4 Qc7 10. cxd5 Nxd5 11. Bd2 Be7 12. Nc3 Nb6 13. Nb5 Qb8 14. Qc2 0-0 15. a4 a6 16. Na3 Rc8 17. Qd1 Rd8 18. Qc2 f5 19. e4 fxe4 20. Qxe4 Bd5 21. Qg6 Rd6 22. Qc2 Bxf3 23. Bxf3 Nd4 24. Qe4 Nxf3+ 25. Qxf3 Rxd2 26. Qb3+ Kh8 27. Qxb6 Rd6 28. Qb3 Rd4 29. Nc4 Qc7 30. Ne3 Qd7 31. Rac1 Rc8 32. Rxc8+ Qxc8 33. Qf7 Qf8 34. Qe6 Bf6 35. Rc1 Rd8 36. Rc7 Qb4 37. b3 Qe1+ 38. Kg2 Qb4 39. Ng4 Qe4+ 40. Kh3 Qd5 41. Qxd5 Rxd5 42. Nxf6 gxf6 43. Rxb7 Rd6 44. Kg4 1-0

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "7"]
[White "Cornejo, Max"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "31"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. h3 Bf5 5. Bd3 Bg6 6. Ne2 Nc6 7. c3 e6 8. 0-0 Nf6 9. Bf4 Bd6 10. Bxd6 Qxd6 11. Ng3 0-0 12. Bxg6 hxg6 13. Nd2 Rfc8 14. Nf3 b5 15. Qe2 Rab8 16. a3 1/2-1/2

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "6"]
[White "Cornejo Perales, Guillermo"]
[Black "Bustamante, Wilfredo"]
[Result "0-1"]
[ECO "C08"]
[PlyCount "82"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Qe7 7. dxc5 Qxe2+ 8. Nxe2 Bxc5 9. Nb3 Bd6 10. Bf4 Bxf4 11. Nxf4 Nf6 12. 0-0-0 0-0 13. Nxd5 Nxd5 14. Rxd5 Be6 15. Bxc6 bxc6 16. Rdd1 a5 17. Kb1 Rfb8 18. Nd4 Bd5 19. f3 Rb7 20. Rhe1 Rab8 21. b3 c5 22. Nf5 Be6 23. Nd6 Rb6 24. Ne4 c4 25. Nc5 cxb3 26. axb3 Bf5 27. g4 Rc6 28. Ne4 Bg6 29. Rd4 h5 30. h3 Rbc8 31. Re2 Kh7 32. g5 Rb8 33. Kb2 Rb5 34. f4 Rb4 35. Rxb4 axb4 36. h4 Bf5 37. Ng3 Bg4 38. Re3 Rd6 39. Ne4 Re6 40. g6+ Kxg6 41. c4 f5 0-1

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "6"]
[White "Cornejo Perales, Guillermo"]
[Black "Choque Paredes, Jose Carlos"]
[Result "1-0"]
[ECO "A38"]
[PlyCount "131"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. d3 Bg7 4. c4 0-0 5. Nc3 d6 6. Nf3 c5 7. 0-0 Nc6 8. a3 e6 9. Rb1 d5 10. Qc2 d4 11. Na4 Qe7 12. Bd2 e5 13. e4 dxe3 14. Bxe3 Nd4 15. Nxd4 cxd4 16. Bd2 Re8 17. Rfe1 Bf5 18. h3 Rad8 19. g4 Bc8 20. f4 Nd7 21. Bb4 Qh4 22. Qf2 Qxf2+ 23. Kxf2 exf4 24. Be7 Ne5 25. Rxe5 Bxe5 26. Bxd8 Rxd8 27. Re1 Bf6 28. Re4 Bh4+ 29. Kf1 Bg3 30. Nc5 f5 31. gxf5 Bxf5 32. Re2 b6 33. Ne4 Rf8 34. Kg1 f3 35. Bxf3 Bxh3 36. Ng5 Kg7 37. Nxh3 Rxf3 38. Kg2 Rxd3 39. Re7+ Kh6 40. Rxa7 Bb8 41. Rb7 Be5 42. Nf2 Rg3+ 43. Kf1 d3 44. Rxb6 d2 45. Rb5 Bd4 46. Rd5 Rg1+ 47. Ke2 Bxf2 48. Rxd2 Bh4 49. c5 Bg5 50. Rc2 Rg2+ 51. Kd3 Rxc2 52. Kxc2 Be3 53. c6 Bb6 54. b4 g5 55. a4 g4 56. a5 Bc7 57. Kd3 Kh5 58. a6 g3 59. Ke2 Kh4 60. Kf3 Kh3 61. a7 g2 62. a8Q g1Q 63. Qc8+ Kh4 64. Qxc7 Qg4+ 65. Ke3 Qxb4 66. Qf4+ 1-0

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "7"]
[White "Cornejo Perales, Guillermo"]
[Black "Gamarra, Erick"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "35"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Rxd1 Ng4 8. h3 h6 9. Nd5 Bxe5 10. hxg4 Bxg4 11. f3 Be6 12. Bf4 Bxf4 13. Nxf4 Bxa2 14. b3 Nc6 15. Bb5 g5 16. Nd5 0-0-0 17. Bxc6 bxc6 18. Nc3 1-0

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "2"]
[White "Cornejo Perales, Guillermo"]
[Black "Gamarra, Erick"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "53"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f4 e6 7. Be2 Be7 8. Be3 a6 9. 0-0 0-0 10. Bf3 e5 11. Nb3 exf4 12. Bxf4 Ne5 13. Kh1 Qb6 14. Be2 Re8 15. h3 Be6 16. Qd2 Rac8 17. Be3 Qd8 18. Rad1 Bc4 19. Bf4 Bxe2 20. Qxe2 Qc7 21. Nd4 Qc4 22. Qf2 b5 23. a3 b4 24. axb4 Qxb4 25. Nb3 Nc4 26. Rd4 Qb7 27. Bc1 1-0

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "8"]
[White "Cornejo Perales, Guillermo"]
[Black "Guimoye, Ivan"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "68"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Ne7 4. Ngf3 c5 5. exd5 Nxd5 6. dxc5 a5 7. Ne4 Nc6 8. Bg5 f6 9. Bh4 a4 10. Qd2 a3 11. b3 e5 12. Bc4 Ndb4 13. c3 Bf5 14. Nxf6+ gxf6 15. Qxd8+ Rxd8 16. cxb4 Be7 17. Bb5 Rg8 18. Bg3 Rg4 19. Bxc6+ bxc6 20. 0-0 Rxb4 21. Rac1 Rb5 22. Nh4 Bd3 23. Rfe1 Rxc5 24. f4 e4 25. Bf2 Rdd5 26. g3 Rc2 27. Rxc2 Bxc2 28. Ng2 Bb4 29. Rc1 Rd2 30. Be1 Bc5+ 31. Kh1 e3 32. h4 Bd4 33. Kg1 Be4 34. Bxd2 exd2+ 0-1

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "1"]
[White "Cornejo Perales, Guillermo"]
[Black "Iturry Quinonez, Milton"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "2191"]
[PlyCount "150"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bf1 Nc6 8. d4 Bg4 9. d5 Ne5 10. Nbd2 e6 11. h3 Bxf3 12. Nxf3 Nxf3+ 13. Qxf3 exd5 14. exd5 Qb6 15. Bg5 Nd7 16. Qe2 h6 17. Bf4 Ne5 18. Qd2 Kh7 19. Bg3 Rfe8 20. f4 Nd7 21. Bh4 Bf6 22. Bf2 a6 23. Be2 Qc7 24. Bg4 b5 25. Bxd7 Qxd7 26. Qd3 a5 27. Rxe8 Rxe8 28. Re1 c4 29. Qd2 Rxe1+ 30. Bxe1 Qf5 31. a3 Qe4 32. Bf2 Kg7 33. Bb6 a4 34. Bc7 Qb1+ 35. Kf2 Be7 36. Qe2 Kf8 37. Bb6 Qf5 38. Qd2 h5 39. Kg1 Qb1+ 40. Kh2 Bf6 41. Be3 Qe4 42. Ba7 Kg8 43. Kg1 Bh4 44. Kh2 Bf6 45. Kg1 Bg7 46. Bb8 Qb1+ 47. Kf2 Bf8 48. Bc7 Be7 49. Bb6 Bh4+ 50. g3 Bf6 51. Kg2 Qe4+ 52. Kh2 Qf3 53. Bf2 Qe4 54. h4 Kg7 55. Bb6 Kf8 56. Ba7 Be7 57. Qd4 Qe2+ 58. Kh3 Qg4+ 59. Kh2 Qe2+ 60. Kh3 f6 61. Qf2 Qd1 62. Bd4 Qh1+ 63. Qh2 Qxd5 64. Qg2 Qxg2+ 65. Kxg2 Kf7 66. Kf3 Ke6 67. Bb6 Kd5 68. Bd4 Ke6 69. Bb6 Kf5 70. Bd4 g5 71. fxg5 fxg5 72. Bf2 gxh4 73. gxh4 Bf6 74. Bg3 d5 75. Bf2 Be5 0-1

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "8"]
[White "Cornejo Perales, Guillermo"]
[Black "Llanos Lopez, Walter"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "79"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. 0-0 Bg7 5. d4 cxd4 6. Nxd4 0-0 7. e4 Nc6 8. Ne2 d6 9. Nbc3 Bg4 10. h3 Bxe2 11. Qxe2 Nd4 12. Qd1 Nd7 13. Nd5 e6 14. Ne3 Nb6 15. c3 Nc6 16. Qe2 Rc8 17. Rd1 Qe7 18. h4 f5 19. exf5 gxf5 20. Nc2 d5 21. Bg5 Bf6 22. Bh6 Bg7 23. Bxg7 Kxg7 24. Re1 e5 25. Rad1 e4 26. Ne3 Rcd8 27. Bh3 Qe5 28. Qh5 Ne7 29. g4 Qf4 30. Nxf5+ Nxf5 31. gxf5 Kh8 32. Kh1 Qxf2 33. Rf1 Qe3 34. Kh2 Nc4 35. Rde1 Qd3 36. f6 Rg8 37. Bg4 Ne3 38. Rxe3 Qxe3 39. f7 Rgf8 40. Qe5# 1-0

[Event "PER-ch Regional Centro"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "8"]
[White "Cornejo Perales, Guillermo"]
[Black "Malvaceda, Fernando"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "73"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 0-0 6. Bd3 Nbd7 7. e5 Ne8 8. Ne4 d5 9. Nf2 c5 10. c3 cxd4 11. cxd4 e6 12. 0-0 f6 13. Bd2 fxe5 14. fxe5 a5 15. b4 b6 16. Rc1 Qe7 17. a3 Bb7 18. Bg5 Qf7 19. Ng4 Kh8 20. Nh4 Qg8 21. Qd2 Rc8 22. bxa5 bxa5 23. Qxa5 Rxf1+ 24. Rxf1 Bf8 25. Qb5 Bc6 26. Qa6 Rc7 27. Rc1 Nb8 28. Qa5 Be7 29. Bxe7 Rxe7 30. Qd8 Rb7 31. Nh6 Qf8 32. Qg5 Qxa3 33. Bxg6 hxg6 34. Nxg6+ Kh7 35. Ng4 Rg7 36. Qh6+ Kg8 37. Rf1 1-0

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Monteza Prieto, Martin"]
[Result "1-0"]
[ECO "A05"]
[BlackElo "2154"]
[PlyCount "63"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. d3 Bg7 4. Nf3 0-0 5. c4 d5 6. Na3 Bf5 7. cxd5 c6 8. dxc6 Nxc6 9. 0-0 Rc8 10. Nc4 b5 11. Ne3 Be6 12. Ng5 Bd5 13. Nxd5 Nxd5 14. Qb3 e6 15. Nf3 Ncb4 16. Bg5 Qd7 17. e4 Nc2 18. exd5 Nxa1 19. Rxa1 Qxd5 20. Qxd5 exd5 21. d4 Rc2 22. Rb1 Re8 23. Be3 Rd8 24. Ne1 Rc4 25. Bf1 Ra4 26. a3 a6 27. Nc2 Rc8 28. b3 Ra5 29. Bd2 Rxc2 30. Bxa5 Bxd4 31. Be1 Bc3 32. Bd3 1-0

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "5"]
[White "Cornejo Perales, Guillermo"]
[Black "Oshiro, Daniel"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "53"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d3 g6 4. Nf3 Bg7 5. Na3 0-0 6. c4 c6 7. 0-0 Nbd7 8. cxd5 cxd5 9. Bd2 b6 10. Rc1 Bb7 11. Bc3 Rc8 12. Bh3 a6 13. Bd4 e6 14. Qd2 Qe7 15. Qe3 b5 16. Ne5 Rfe8 17. f4 Nxe5 18. fxe5 Nd7 19. Nb1 Qf8 20. g4 Bh6 21. g5 Bg7 22. Bg4 Qb4 23. a3 Qf8 24. Rxc8 Rxc8 25. Bxe6 Qe7 26. Bxf7+ Kh8 27. e6 1-0

[Event "PER-ch Regional Centro"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "1"]
[White "Cornejo Perales, Guillermo"]
[Black "Pacheco, Garri"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "46"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 cxd4 7. cxd4 e6 8. 0-0 Nf6 9. Nc3 Qa5 10. Qb3 Qb4 11. Qxb4 Bxb4 12. Be3 0-0 13. h3 Bh5 14. Rac1 Rfd8 15. Rfd1 Rac8 16. Kf1 h6 17. Ng1 Bxe2+ 18. Ngxe2 Ne7 19. a3 Bd6 20. Nf4 g5 21. Nd3 Ned5 22. Nb5 Bb8 23. Nc5 Nc7 1/2-1/2

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Reyes Sarmiento, Alfonso"]
[Result "1/2-1/2"]
[ECO "B50"]
[BlackElo "2054"]
[PlyCount "120"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bf1 e5 8. d3 Nc6 9. Na3 Nh5 10. Nc4 b5 11. Ne3 Nf4 12. Nd5 g5 13. Bxf4 gxf4 14. d4 Rb8 15. dxe5 Nxe5 16. Nxf4 b4 17. Nd5 Ng6 18. Qd2 bxc3 19. bxc3 f5 20. exf5 Bxf5 21. Bd3 Kh8 22. Bxf5 Rxf5 23. Re4 Qg8 24. Ne3 Bh6 25. Kh1 d5 26. Rg4 Qf7 27. Re1 Rxf3 28. gxf3 Qxf3+ 29. Rg2 Nh4 30. Qxd5 Qxd5 31. Nxd5 Nxg2 32. Kxg2 Bf8 33. Nf6 Bg7 34. Nd5 c4 35. Re7 Rd8 36. Rxa7 h6 37. Ne3 Bxc3 38. Nxc4 Bd4 39. Ra6 Rg8+ 40. Kf3 Rf8+ 41. Ke4 Bxf2 42. Rxh6+ Kg7 43. Rh3 Ra8 44. a3 Rd8 45. Rd3 Rh8 46. h3 Rh4+ 47. Kd5 Rh5+ 48. Ne5 Bh4 49. Kd6 Be1 50. Rf3 Rg5 51. Rf7+ Kg8 52. Rf4 Bg3 53. Re4 Kh7 54. Ke6 Rh5 55. a4 Rxh3 56. a5 Bf2 57. Ng4 Ba7 58. Nf6+ Kh6 59. Kf7 Kg5 60. Re5+ Kf4 1/2-1/2

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "5"]
[White "Cornejo Perales, Guillermo"]
[Black "Rodriguez Rivadeneyra, Ricardo"]
[Result "1-0"]
[ECO "B38"]
[BlackElo "2010"]
[PlyCount "101"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. Rfd1 Qb6 17. Qxb6 Nxb6 18. Rac1 Rac8 19. f4 Nd7 20. Nd5 Bxd5 21. exd5 f5 22. Kf2 Nf6 23. Bf3 Rc5 24. a4 h6 25. Re1 Kf7 26. Rc3 g5 27. g3 g4 28. Bg2 Rc7 29. Rce3 b6 30. h4 gxh3 31. Bxh3 Ne4+ 32. Kg2 Kf6 33. Bxf5 Nxg3 34. Kxg3 Kxf5 35. Rxe7 Rg8+ 36. Kf3 Rxe7 37. Rxe7 Rg1 38. Rf7+ Kg6 39. Rd7 h5 40. Rxd6+ Kg7 41. f5 Kf7 42. Rxb6 h4 43. Rg6 Rb1 44. Rb6 Rg1 45. Kf2 Rg5 46. Rh6 Rxf5+ 47. Ke3 Rg5 48. Rxh4 Rg3+ 49. Kd4 Rxb3 50. Rh7+ Kf6 51. Ra7 1-0

[Event "PER-ch Regional Centro"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "6"]
[White "Cornejo Perales, Guillermo"]
[Black "Rosello, Jaime"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "57"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Nd4 8. Nxc5 dxc5 9. c3 Nxf3+ 10. gxf3 Nxe4 11. 0-0 Bh3 12. fxe4 Bxf1 13. Qxf1 Qh4 14. fxe5 Qg4+ 15. Kh1 0-0 16. Be3 b6 17. Qf2 Rae8 18. Rg1 Qh5 19. Qf6 g6 20. e6 fxe6 21. Bxe6+ Rxe6 22. Qxe6+ Kg7 23. Qg4 Qxg4 24. Rxg4 Rf1+ 25. Rg1 Rf3 26. Re1 Kf7 27. Kg2 Rf6 28. Rf1 Rxf1 29. Kxf1 1-0

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "8"]
[White "Cornejo Perales, Guillermo"]
[Black "Saldana Diaz, Juan"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "129"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. d3 g6 6. c4 dxc4 7. dxc4 Be6 8. b3 Bg7 9. Bb2 0-0 10. Nbd2 Rb8 11. Ne5 Nd4 12. Nd3 Nd7 13. Ne4 b6 14. e3 Nf5 15. Ng5 Bxb2 16. Nxe6 fxe6 17. Nxb2 Ne5 18. Qc2 Qc7 19. Rad1 Rbd8 20. h3 Rd6 21. Rxd6 exd6 22. Rd1 Qe7 23. Qd2 Rd8 24. f4 Nf7 25. Kh2 Qf6 26. Na4 Kg7 27. Nc3 h5 28. Ne4 Qe7 29. Qc3+ Kh6 30. Nf2 Kh7 31. g4 N5h6 32. gxh5 gxh5 33. Qd3+ Nf5 34. e4 Nd4 35. e5+ Kh6 36. exd6 Nxd6 37. Ne4 N6f5 38. Ng5 Rf8 39. Re1 Qf6 40. Qe4 Re8 41. Qd3 Re7 42. Be4 Nd6 43. Rf1 N6f5 44. Rg1 Rg7 45. Bxf5 exf5 46. Re1 Rxg5 47. fxg5+ Qxg5 48. Rf1 h4 49. b4 f4 50. Rg1 Qf6 51. bxc5 bxc5 52. Qe4 f3 53. Qe3+ Kh5 54. Qe8+ Kh6 55. Qe3+ Kh7 56. Qe4+ Kh6 57. Rg4 f2 58. Qf4+ Qxf4+ 59. Rxf4 Nc2 60. Rxf2 Ne3 61. Rf4 Kg5 62. Re4 Nf1+ 63. Kg2 Nd2 64. Re5+ Kf4 65. Rxc5 1-0

[Event "PER-ch Regional Centro"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Sierra, Miguel"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2290"]
[PlyCount "32"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Be2 0-0-0 6. c4 Qh5 7. Be3 Nf6 8. 0-0 e5 9. d5 e4 10. Nd4 Nxd4 11. Bxg4+ Nxg4 12. h3 Nf3+ 13. gxf3 Ne5 14. fxe4 Qxh3 15. f3 Qg3+ 16. Kh1 Rd6 0-1

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "2"]
[White "Cornejo Perales, Guillermo"]
[Black "Torres, Oscar"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "71"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 Nc6 5. c4 0-0 6. Nf3 d6 7. Nc3 e5 8. d3 Bd7 9. 0-0 Qc8 10. Re1 Bh3 11. Bh1 a6 12. a3 Nh5 13. Nd5 Nf6 14. Rc1 Be6 15. Ng5 Qd7 16. Nxe6 fxe6 17. Nb4 Ng4 18. Bf3 Nf6 19. c5 Rab8 20. Nxc6 bxc6 21. cxd6 cxd6 22. Bxc6 Qa7 23. e3 Qb6 24. b4 h5 25. h3 Rbc8 26. Qa4 Nh7 27. Bd7 Rxc1 28. Bxe6+ Kh8 29. Rxc1 Ng5 30. Bd7 Qb7 31. Qc6 Rb8 32. h4 Qxc6 33. Bxc6 Ne6 34. Bd5 Nd8 35. Rc7 a5 36. Bc3 1-0

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "2"]
[White "Cruz, Jonathan"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "90"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Bf4 0-0 7. Be2 Na6 8. 0-0 Nc7 9. h3 b5 10. e5 dxe5 11. Nxe5 b4 12. Nc6 Qd7 13. Bxc7 Qxc7 14. Nb5 Qb7 15. Nbxa7 Rxa7 16. Nxa7 Qxa7 17. a4 Qd7 18. Bc4 Bb7 19. c3 bxc3 20. bxc3 Nxd5 21. Bxd5 Bxd5 22. Qc2 Qc6 23. f3 Ra8 24. Ra3 c4 25. Rfa1 Ra5 26. Qb2 Be5 27. Qb4 Ra8 28. Qb5 Bd6 29. Qxc6 Bxc6 30. R3a2 Ra5 31. Kf2 Kf8 32. Ke2 e5 33. Rd2 Ke7 34. Rda2 Ke6 35. Ke3 f5 36. g3 e4 37. f4 Bc5+ 38. Ke2 e3 39. g4 Be4 40. Rb2 Bd3+ 41. Kf3 e2 42. Rb8 Rxa4 43. Rxa4 e1Q 44. Ra6+ Kf7 45. Rb7+ Be7 0-1

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "9"]
[White "Llanos Lopez, Walter"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "67"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Bg7 7. d3 0-0 8. Bf4 Nc6 9. 0-0 h6 10. Rc1 e5 11. Be3 Be6 12. a3 f5 13. b4 Nd5 14. Nxd5 Bxd5 15. Qd2 Kh7 16. b5 Ne7 17. Bc5 Rf7 18. Qb4 Ng8 19. e4 Be6 20. exf5 Bxf5 21. Nh4 c6 22. Nxf5 gxf5 23. bxc6 bxc6 24. Bxc6 Rb8 25. Qc4 Rc7 26. Qe6 Qc8 27. Bd5 Nf6 28. Qxc8 Rbxc8 29. Be6 Rd8 30. Bxf5+ Kh8 31. Be3 Rb7 32. Rc6 Nd5 33. Rfc1 Ne7 34. Be4 1/2-1/2

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "1"]
[White "Machicao, Shirley"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "62"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. d3 dxe4 4. Nxe4 e5 5. Bg5 Be7 6. Nf3 Nc6 7. Be2 0-0 8. 0-0 Bf5 9. Nxf6+ Bxf6 10. Qd2 h6 11. Be3 Qd7 12. Rad1 Rad8 13. Bc5 Rfe8 14. c3 Qd5 15. Be3 Qxa2 16. d4 exd4 17. Nxd4 Nxd4 18. Bxd4 c5 19. Bb5 cxd4 20. c4 d3 21. Bxe8 Rxe8 22. Qf4 Bg6 23. Qc1 Qxb2 24. Qxb2 Bxb2 25. Rb1 Re2 26. Rfd1 b6 27. Kf1 Bd4 28. f3 Rf2+ 29. Ke1 d2+ 30. Rxd2 Rxd2 31. Kxd2 Bxb1 0-1

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "9"]
[White "Morales Mendoza, Luciana"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2135"]
[PlyCount "24"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Bd3 Qa5 7. Bh4 dxc4 8. Bxc4 b5 9. Bd3 b4 10. Nce2 c5 11. Nf3 Bb7 12. 0-0 Rc8 1/2-1/2

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "4"]
[White "Oshiro Shinsato, Ronald"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2116"]
[PlyCount "135"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bf1 Nc6 8. h3 e5 9. d4 h6 10. Na3 Re8 11. dxc5 dxc5 12. Qc2 Nh5 13. Rd1 Qe7 14. Nc4 Nf4 15. Be3 b6 16. Nd6 Rd8 17. Nxc8 Raxc8 18. g3 Ne6 19. Rxd8+ Rxd8 20. Rd1 Rxd1 21. Qxd1 Qd8 22. Qa4 Qc7 23. Bc4 Ned8 24. Bd5 Kh7 25. Qb3 Na5 26. Qb5 Nab7 27. Nd2 Nd6 28. Qd3 b5 29. b3 a6 30. Kg2 N8b7 31. Bxb7 Nxb7 32. Qd5 Bf8 33. c4 b4 34. f4 f6 35. fxe5 fxe5 36. Nf3 Bd6 37. Bc1 Nd8 38. Bb2 Nc6 39. Qe6 Nd8 40. Qf6 Nf7 41. Nh4 Nh8 42. Nf3 Nf7 43. g4 a5 44. Nh4 Nh8 45. Nf3 Nf7 46. h4 Qd7 47. Kg3 Bc7 48. h5 gxh5 49. gxh5 Kg8 50. Bc1 Qd6 51. Qf5 Kg7 52. Be3 Bb6 53. Nh4 Qf6 54. Qxf6+ Kxf6 55. Nf5 Ng5 56. Nd6 Ba7 57. Kg4 Bb6 58. Bxg5+ hxg5 59. Nf5 Bc7 60. Ne3 Bd8 61. Nf1 Bc7 62. Nh2 Bd8 63. Nf3 Be7 64. Nxg5 Kg7 65. Ne6+ Kf6 66. Nc7 Bd8 67. Nd5+ Kg7 68. Kf5 1-0

[Event "PER-ch Regional Centro"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "9"]
[White "Padilla, Hugo"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2186"]
[PlyCount "94"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. bxa5 Rxa5 11. Nd2 Nd7 12. Nb3 Ra8 13. a4 f5 14. a5 fxe4 15. Nxe4 Nf6 16. Nxf6+ Bxf6 17. c5 Nf5 18. Ba3 e4 19. cxd6 cxd6 20. Ra2 Be5 21. Bb2 Bxb2 22. Rxb2 Qg5 23. Qc1 e3 24. f4 Qf6 25. Ra2 Re8 26. Qc4 h5 27. Qb4 h4 28. Rc1 Rf8 29. Rc7 h3 30. g3 g5 31. fxg5 Qxg5 32. Qg4 Qxg4 33. Bxg4 Nxg3 34. Rxc8 Raxc8 35. hxg3 Rc3 36. Nd4 Rc1+ 37. Kh2 Rf2+ 38. Rxf2 exf2 39. Bxh3 f1Q 40. Bxf1 Rxf1 41. Nb5 Rf2+ 42. Kh3 Rd2 43. Nxd6 Rxd5 44. Nxb7 Rb5 45. a6 Rb6 46. Nc5 Rb5 47. Ne6 Ra5 1/2-1/2

[Event "PER-ch Regional Centro"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "5"]
[White "Polo, Cesar"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "75"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Ne8 10. b4 axb4 11. axb4 f5 12. Qc2 Nf6 13. b5 Ne7 14. Bb2 h6 15. Ra1 Rxa1 16. Rxa1 g5 17. Ra8 c6 18. Ba3 g4 19. Nd2 Qc7 20. Qb3 Be6 21. Qa4 Rxa8 22. Qxa8+ Kf7 23. Qa4 Nd7 24. Qb4 Nc5 25. Nb3 Nxb3 26. Qxb3 Nc8 27. Qb4 Qd7 28. bxc6 bxc6 29. Qa4 e4 30. Nd1 d5 31. cxd5 cxd5 32. Qc2 Ne7 33. Bb2 Bxb2 34. Qxb2 Ng6 35. h3 gxh3 36. Bxh3 f4 37. Bxe6+ Qxe6 38. dxe4 1/2-1/2

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "7"]
[White "Revolledo, William"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "56"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Re8 8. Re1 Nbd7 9. c3 Qc7 10. a4 a5 11. Qc2 dxe4 12. dxe4 b5 13. b3 Qb6 14. Nf1 Ba6 15. Kh1 Rab8 16. h3 Nc5 17. Be3 bxa4 18. b4 axb4 19. Rab1 b3 20. Qb2 Qa5 21. Bxc5 Bxc5 22. Nxe5 Rxe5 23. c4 Ree8 24. e5 a3 25. Ra1 Qxe1 26. Rxe1 axb2 27. Bxc6 Rxe5 28. Rb1 Re2 0-1

[Event "PER-ch U18"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "3"]
[White "Rivas, Pamela"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "114"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. f4 Bg7 4. Nf3 0-0 5. 0-0 c5 6. Nc3 d5 7. d3 Nc6 8. e4 d4 9. Nb1 b6 10. Qe2 Bb7 11. a3 b5 12. b3 a5 13. a4 bxa4 14. bxa4 Nd7 15. Na3 Nb6 16. Nb1 Nb4 17. e5 Qd7 18. Ng5 Bxg2 19. Kxg2 h6 20. Ne4 Nxa4 21. Na3 Qc6 22. Kg1 Nb6 23. f5 N6d5 24. f6 exf6 25. exf6 Nxf6 26. Nxf6+ Bxf6 27. Bxh6 Bg7 28. Bf4 Rfe8 29. Qd2 Nd5 30. Nc4 Nc3 31. Rf2 a4 32. Bg5 f6 33. Bh6 Bxh6 34. Qxh6 Ne2+ 35. Rxe2 Rxe2 36. Qxg6+ Kf8 37. Qh6+ Ke7 38. Qg7+ Kd8 39. Qf8+ Re8 40. Qf7 Re7 41. Qg8+ Kc7 42. Qg4 Ra7 43. Kf2 a3 44. Qf4+ Kd7 45. Nd2 Qd6 46. Qg4+ Qe6 47. Qe4 Qxe4 48. Nxe4 Kc6 49. h4 f5 50. Ng5 a2 51. h5 Rg7 52. Ne6 Rh7 53. Nf4 Kb5 54. Kf3 Kb4 55. Ne2 Ka3 56. Nc1 Kb2 57. Nb3 Kxc2 0-1

[Event "PER-ch U16"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "6"]
[White "Tepe, Carlos"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "78"]
[EventDate "2002.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 0-0 6. Qd2 Bg4 7. e4 Nbd7 8. 0-0-0 c6 9. Bh6 a6 10. Bxg7 Kxg7 11. d5 Qc7 12. Kb1 cxd5 13. cxd5 b5 14. h3 Bxf3 15. gxf3 Ne5 16. Be2 Rfb8 17. Rc1 Qb6 18. Qe3 Qa5 19. f4 Nc4 20. Qd4 Qb4 21. Bxc4 bxc4 22. Rc2 Kg8 23. h4 Nh5 24. f5 Nf4 25. fxg6 hxg6 26. Ne2 Nxe2 27. Rxe2 f6 28. h5 g5 29. f4 c3 30. Qxb4 Rxb4 31. fxg5 fxg5 32. Rg1 Kh7 33. Rxg5 Kh6 34. Rf5 Rc8 35. e5 cxb2 36. Rxb2 Re4 37. Rg2 Rxe5 38. Rg6+ Kh7 39. Rxe5 dxe5 1/2-1/2

[Event "Lima 1st qual op"]
[Site "Lima"]
[Date "2002.??.??"]
[Round "9"]
[White "Zevallos, Ronald"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "122"]
[EventDate "2002.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 0-0 9. f3 d5 10. Nxc6 bxc6 11. exd5 Nxd5 12. Nxd5 cxd5 13. c3 Bb7 14. 0-0 Qa5 15. a4 e5 16. b4 Qc7 17. Rab1 Rfd8 18. Rfc1 Qd7 19. Bb5 Qf5 20. Bc5 Bf6 21. Qf2 d4 22. cxd4 exd4 23. Rd1 Be5 24. Rb3 a6 25. Bf1 Bc6 26. b5 axb5 27. axb5 Bd5 28. Ra3 Rxa3 29. Bxa3 Ra8 30. Bd3 Qf4 31. g3 Qxf3 32. Qxf3 Bxf3 33. Ra1 f5 34. Ra2 Bd5 35. Ra1 Kf7 36. Kf2 Ke6 37. Ke2 g5 38. Bb2 Rxa1 39. Bxa1 h5 40. Bb2 h4 41. Kf2 hxg3+ 42. hxg3 Be4 43. Bc4+ Kd6 44. Ba3+ Kc7 45. Bc5 g4 46. Bb4 Kb6 47. Be7 d3 48. Ke3 Bxg3 49. Bxd3 Bxd3 50. Kxd3 Kxb5 51. Kd4 Kc6 52. Bf8 Kd7 53. Kd5 Bf4 54. Kd4 Ke6 55. Kd3 Kf6 56. Ke2 Be5 57. Kf2 f4 58. Bc5 Kf5 59. Bb4 Ke4 60. Bd2 g3+ 61. Kg2 f3+ 0-1

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.06.05"]
[Round "8"]
[White "Castillo Montero, Wilder Jose"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "72"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. Qe2 Be7 8. 0-0 a6 9. a4 Nf6 10. Rd1 Qc7 11. Bg5 0-0 12. Rac1 Qb8 13. Ba2 Rd8 14. Bb1 Bd7 15. Qc2 Ne5 16. Nd4 h6 17. Bh4 Ng6 18. Bg3 Nh5 19. Qe2 Nxg3 20. hxg3 Bf6 21. Qh5 Qa7 22. Nde2 Bc6 23. b4 Bg5 24. Rc2 Qb6 25. Ba2 Be8 26. b5 axb5 27. axb5 Rdc8 28. Bb3 Nf8 29. Na4 Qxb5 30. Nd4 Qa5 31. Rxc8 Rxc8 32. f4 Bxa4 33. Bxa4 g6 34. Qg4 Bf6 35. Bb3 Bxd4+ 36. Rxd4 Qc5 0-1

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.06.04"]
[Round "7"]
[White "Cornejo Perales, Guillermo"]
[Black "Bravo, Edgar"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "69"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a4 b6 8. f4 Qc7 9. Be3 Bb7 10. Bf3 Nbd7 11. Nb3 Be7 12. 0-0 0-0 13. Qe2 Rad8 14. Rad1 Nc5 15. Bc1 Rfe8 16. Nxc5 dxc5 17. e5 Nd5 18. Ne4 c4 19. Kh1 b5 20. axb5 axb5 21. b3 cxb3 22. cxb3 b4 23. Qf2 Nc3 24. Nxc3 bxc3 25. Bxb7 Qxb7 26. Qc2 Qc7 27. Be3 Rd5 28. Rxd5 exd5 29. Bd4 Bb4 30. Ra1 Qc6 31. Ra4 Qb5 32. Kg1 Rc8 33. Ra1 Bc5 34. Rd1 Bxd4+ 35. Rxd4 0-1

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.06.03"]
[Round "6"]
[White "Hurtado Bahamonde, Rodrigo And"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "149"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 0-0 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qa5 16. Kb2 b5 17. Qe3 Rc8 18. a3 Nc4+ 19. Bxc4 Rxc4 20. Nb3 Qc7 21. Rd4 Be6 22. Rxc4 Bxc4 23. Re1 a5 24. g4 a4 25. Nd2 Be6 26. gxh5 Nxh5 27. Qh6 Qc5 28. Qe3 Qxe3 29. Rxe3 Nf4 30. Re1 Kf8 31. Kc1 Ke8 32. Nb1 Ng2 33. Rh1 Ne3 34. h5 gxh5 35. Rxh5 d5 36. e5 Bf5 37. Kd2 Nc4+ 38. Kd1 e6 39. Rh8+ Kd7 40. f4 Ne3+ 41. Kd2 Nxc2 42. Kc1 Ne3 43. Nd2 Ng2 44. Rb8 Nxf4 45. Rxb5 Nd3+ 46. Kd1 Nxe5 47. Ra5 Nd3 48. Ra7+ Ke8 49. Ke2 Nc1+ 50. Ke3 Bc2 51. Nf3 Bg6 52. Rxa4 Nb3 53. Rb4 Na5 54. Nd2 Kd7 55. Rb5 Nc6 56. a4 Kc7 57. a5 Nb8 58. Kd4 Bc2 59. c4 dxc4 60. Nxc4 Ba4 61. Rb2 Nc6+ 62. Kc5 Nb8 63. Kb4 Bc6 64. Ne5 Bd5 65. Nxf7 Nc6+ 66. Kb5 e5 67. Rc2 Kd7 68. Rxc6 Bxc6+ 69. Kb6 Bh1 70. Nxe5+ Kc8 71. a6 Kb8 72. a7+ Ka8 73. Ng6 Bc6 74. Nf4 Bg2 75. Ne6 1-0

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.06.01"]
[Round "4"]
[White "Fusco, Leonardo"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "54"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Re1 e5 9. d4 0-0 10. Na3 Qe7 11. Bg5 h6 12. Bxf6 Nxf6 13. Nc4 Nd7 14. dxc5 dxc5 15. Qb3 Rab8 16. a4 Qe6 17. Ncd2 Qxb3 18. Nxb3 c4 19. Nbd2 Rfc8 20. Nf1 Nc5 21. Ne3 Nd3 22. Re2 h5 23. Ne1 Nxe1 24. Rexe1 Bh6 25. Nd5 Bg5 26. g3 Kg7 27. Kg2 Rc5 1/2-1/2

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.05.31"]
[Round "3"]
[White "Cornejo Perales, Guillermo"]
[Black "Marmol Villalba, Jorge Orlando"]
[Result "1-0"]
[ECO "B71"]
[PlyCount "63"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Ng4 9. Bb5+ Bd7 10. Qxg4 Bxb5 11. Ndxb5 a6 12. Nd4 Bxe5 13. Nf3 Bg7 14. Be3 Nc6 15. 0-0 0-0 16. Rad1 Qa5 17. Rd5 b5 18. Rc5 Nd8 19. b4 Qa3 20. Bc1 Qxc3 21. Rxc3 Bxc3 22. Qh4 Bf6 23. Bg5 Nc6 24. Bxf6 exf6 25. Qxf6 Nxb4 26. Ng5 Nd5 27. Qf3 Nb4 28. Nxf7 h5 29. Qf6 Kh7 30. Qd6 Kg7 31. Qd4+ Kh7 32. Qxb4 1-0

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.05.30"]
[Round "2"]
[White "Requena Suescun, Emilio"]
[Black "Cornejo Perales, Guillermo"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "112"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 0-0 6. Qd2 c5 7. d5 Na6 8. Bh6 Bf5 9. Bxg7 Kxg7 10. Nh4 Bd7 11. e4 Nc7 12. Bd3 a6 13. f4 e6 14. Nf3 exd5 15. cxd5 Re8 16. 0-0 Bg4 17. Rae1 Bxf3 18. Rxf3 b5 19. b3 Rb8 20. Rh3 b4 21. Nd1 Qe7 22. Nf2 h5 23. Bc4 Ng4 24. Rg3 Nxf2 25. Qxf2 Qf6 26. Qd2 Nb5 27. e5 dxe5 28. fxe5 Rxe5 29. Rf1 Rf5 30. Rgf3 Rxf3 31. Rxf3 Qd4+ 32. Qxd4+ Nxd4 33. Rf2 Rd8 34. d6 f5 35. Bxa6 Rxd6 36. Bc4 Kf6 37. g3 Rd7 38. Rf1 Ra7 39. Rf2 Re7 40. Kg2 Re3 41. h3 Kg5 42. Bf7 Kf6 43. Bc4 g5 44. Rf1 h4 45. gxh4 gxh4 46. Rf2 Rg3+ 47. Kf1 Rxh3 48. Rg2 Rg3 49. Rd2 h3 50. Bd5 Kg5 51. Rd1 f4 52. Kf2 Kg4 53. Re1 Rd3 54. Re8 Rd2+ 55. Kg1 Nf3+ 56. Kf1 Rxd5 0-1

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.05.29"]
[Round "1"]
[White "Cornejo Perales, Guillermo"]
[Black "Rossi, Maximiliano"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "66"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Be7 8. 0-0 Nc6 9. Be3 Qc7 10. f4 0-0 11. Nb3 b6 12. Bf3 Bb7 13. Qe1 Rab8 14. Qg3 Nb4 15. Qf2 Ba8 16. g4 d5 17. e5 Ne4 18. Bxe4 dxe4 19. f5 exf5 20. gxf5 Qxe5 21. Bf4 Qxf5 22. Bxb8 Qxf2+ 23. Rxf2 Rxb8 24. Re2 f5 25. Rf1 g6 26. Rd1 Kf7 27. Rf1 Bf6 28. Rd1 Rb7 29. a5 b5 30. Rd6 Rc7 31. Red2 e3 32. Rd7+ Rxd7 33. Rxd7+ Ke8 0-1

[Event "Pan American-ch U14"]
[Site "Guaymallen"]
[Date "2001.01.02"]
[Round "5"]
[White "Cornejo Perales, Guillermo"]
[Black "Trujillo Villega, Pablo Adrian"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "104"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 a5 9. Qd2 a4 10. 0-0 Qa5 11. Rac1 Nxe4 12. Nxe4 Qxd2 13. Nxd2 Nxd4 14. Bd3 d6 15. Rfe1 Be6 16. Bg5 Nc6 17. Be4 h6 18. Bxc6 hxg5 19. Bd5 Bxd5 20. cxd5 Rac8 21. b3 axb3 22. Nxb3 Bf6 23. g3 b5 24. Kg2 Rc4 25. Na5 Ra4 26. Nc6 Rxa2 27. Nxe7+ Kg7 28. Rb1 Rb8 29. Nc6 Rb7 30. Red1 Rb2 31. Rxb2 Bxb2 32. Rb1 Bc3 33. Rb3 b4 34. Kf3 f5 35. Ke3 Kf6 36. Kd3 g4 37. Kc4 Rh7 38. Nxb4 Bxb4 39. Rxb4 Rxh2 40. Rb2 f4 41. Rb3 Rxf2 42. gxf4 Rxf4+ 43. Kb5 Rf3 44. Rb1 g3 45. Kc6 Ke5 46. Re1+ Kf4 47. Re6 Kf5 48. Re1 Kf4 49. Re6 g5 50. Re1 g2 51. Rg1 Kg3 52. Kxd6 Kh2 0-1

[Event "Lima op U14"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "2"]
[White "Alvarez Diaz, Victor Jr"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "72"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Nf6 5. d3 g6 6. Be3 Bg7 7. Nh3 Ng4 8. Bd2 Nge5 9. 0-0 Nd4 10. f4 Bg4 11. Qc1 Nef3+ 12. Kh1 Nxd2 13. Qxd2 Qd7 14. Ng1 Qc8 15. Nd1 Bd7 16. c3 Nc6 17. Ne3 Qd8 18. Rf2 Rb8 19. Bh3 b5 20. Bxd7+ Qxd7 21. a3 0-0 22. f5 a5 23. Rc1 b4 24. axb4 axb4 25. Ne2 bxc3 26. bxc3 Rb7 27. Nd5 Rfb8 28. f6 Bh8 29. fxe7 Nxe7 30. Nf6+ Bxf6 31. Rxf6 Rb2 32. Qe1 Qg4 33. Rf2 Ra8 34. Nf4 Raa2 35. Rxb2 Rxb2 36. Qd1 Qd7 1/2-1/2

[Event "Lima op U18"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "?"]
[White "Choque Paredes, Jose Carlos"]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "51"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Qc2 exd4 9. Nxd4 Re8 10. Be3 Nc5 11. f3 a5 12. Rfd1 Qe7 13. Ndb5 Na6 14. a3 Be6 15. Rab1 Nd7 16. b4 axb4 17. axb4 Ne5 18. Nd5 Bxd5 19. cxd5 h5 20. Rbc1 Nxb4 21. Qxc7 Na2 22. Ra1 Qf6 23. Nxd6 Re7 24. Qb6 Ra6 25. Bxa6 bxa6 26. Rxa2 1-0

[Event "Lima op U14"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "7"]
[White "Cornejo Perales, Guillermo"]
[Black "Ariza, Freddy"]
[Result "1/2-1/2"]
[ECO "C87"]
[PlyCount "51"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 d6 7. h3 0-0 8. c3 b5 9. Bc2 Be6 10. d4 exd4 11. cxd4 d5 12. e5 Nd7 13. a3 Na5 14. Nc3 Nb6 15. Nh2 g6 16. Ng4 Nb7 17. f4 c5 18. dxc5 Bxc5+ 19. Kh1 Qc8 20. Nf6+ Kg7 21. Qf3 d4 22. Be4 Rb8 23. Ncd5 Nxd5 24. Bxd5 Bxd5 25. Qxd5 Rd8 26. Qf3 1/2-1/2

[Event "Lima op U18"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "?"]
[White "Cornejo Perales, Guillermo"]
[Black "Avalos, Kathia"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "55"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nf6 5. exf5 d6 6. 0-0 Be7 7. Nc3 h6 8. Re1 Bxf5 9. d4 e4 10. Nh4 Bg4 11. f3 exf3 12. gxf3 Bh5 13. d5 a6 14. dxc6 axb5 15. cxb7 Rb8 16. Nf5 0-0 17. Nxe7+ Kh8 18. Nc6 Qd7 19. Nxb8 Rxb8 20. Bf4 Qh3 21. Bg3 Rxb7 22. Nd5 Nxd5 23. Qxd5 Rb8 24. Re7 Rf8 25. Qd4 Rf7 26. Rxf7 Bxf7 27. Re1 Qd7 28. Qg4 1-0

[Event "Lima op U14"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "4"]
[White "Cornejo Perales, Guillermo"]
[Black "Ly, Moulthun"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "59"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Nc6 8. Be3 Qc7 9. 0-0 Be7 10. f4 Bd7 11. Qe1 0-0 12. Qg3 Rfe8 13. f5 Nxd4 14. Bxd4 e5 15. Be3 Bc6 16. Bf3 Kh8 17. a5 Qd7 18. Rfd1 Bd8 19. Rd2 Bc7 20. Qf2 Qe7 21. g4 h6 22. g5 Ng8 23. h4 Rad8 24. Nd5 Bxd5 25. Rxd5 Qf8 26. Bg2 Ne7 27. Rd2 hxg5 28. hxg5 Rd7 29. Qh4+ Kg8 30. Bf3 1-0

[Event "Lima op U18"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "?"]
[White "Cornejo Perales, Guillermo"]
[Black "Nora, Bruno"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "52"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nc6 6. Bc4 Qd8 7. Nb3 Nf6 8. 0-0 cxd4 9. Nfxd4 Bd7 10. Re1 Be7 11. Bf4 a6 12. Nxc6 Bxc6 13. Qxd8+ Rxd8 14. Rad1 0-0 15. Bg3 b5 16. Bd3 Ne4 17. Bc7 Rd7 18. Bxe4 Rxd1 19. Rxd1 Bxe4 20. c3 Bd5 21. Be5 Rd8 22. Bd4 Bxb3 23. axb3 e5 24. Re1 exd4 25. Rxe7 dxc3 26. h3 c2 0-1

[Event "Lima op U14"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "1"]
[White "Cornejo Perales, Guillermo"]
[Black "Prado, Juan"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "79"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. Ne2 Be7 9. Rb1 0-0 10. Be3 Re8 11. h3 Nf8 12. dxc5 Bxc5 13. Bxc5 Qxc5 14. Ned4 Bd7 15. Be2 Rac8 16. 0-0 Ng6 17. Qd2 Nge7 18. Kh1 Nf5 19. Nxf5 exf5 20. Bd3 h6 21. Rbe1 Be6 22. Qf2 Nb8 23. Nd4 Nd7 24. Bxf5 Bxf5 25. Nxf5 Qxf2 26. Rxf2 Rc7 27. Nd6 Re6 28. Rfe2 a6 29. Nf5 Nc5 30. Rd1 Rd7 31. Nd6 Na4 32. Rxd5 g6 33. Red2 Kg7 34. Nf5+ gxf5 35. Rxd7 Nc5 36. Rd1 Ne4 37. Kh2 Re7 38. R7d4 b6 39. g4 Kg6 40. gxf5+ 1-0

[Event "Lima op U18"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "?"]
[White "Cornejo Perales, Guillermo"]
[Black "Rivas Pastor, Manuel Jr"]
[Result "1-0"]
[ECO "C93"]
[PlyCount "63"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. h3 0-0 9. c3 Bb7 10. d3 h6 11. Nbd2 Re8 12. Nf1 Bf8 13. Ne3 Qd7 14. Nh2 Ne7 15. Nhg4 Nxg4 16. Nxg4 Ng6 17. Qf3 Rad8 18. Bxh6 d5 19. Bg5 Be7 20. Bxe7 Rxe7 21. g3 dxe4 22. dxe4 Qd3 23. Re3 Qd7 24. Rd1 Qe8 25. Rxd8 Qxd8 26. Rd3 Qe8 27. h4 c5 28. Bd5 c4 29. Rd1 Bc8 30. h5 Nf8 31. h6 Ng6 32. hxg7 1-0

[Event "Lima op U14"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "5"]
[White "Cornejo Perales, Guillermo"]
[Black "Vega, Jorge"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "2299"]
[PlyCount "87"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. d4 d6 5. Nf3 Nxe4 6. Be2 g6 7. 0-0 Bg7 8. Re1 0-0 9. Bd3 d5 10. Nbd2 Bf5 11. c4 c6 12. h3 h5 13. Nf1 Re8 14. Ng3 Qd7 15. Nxf5 Qxf5 16. Qc2 Nd7 17. Be3 Ndf6 18. Ne5 Nh7 19. f3 Bxe5 20. dxe5 Qxe5 21. fxe4 dxe4 22. Be2 Qg3 23. Bf1 Ng5 24. Bxg5 Qxg5 25. Rxe4 Rad8 26. Rae1 Rxe4 27. Qxe4 Kh7 28. Qe7 Qxe7 29. Rxe7 Kg7 30. Rxb7 Rd2 31. a4 a5 32. Rb6 Kh6 33. Rxc6 Rxb2 34. Rc5 f5 35. Rxa5 Ra2 36. c5 Rc2 37. Rb5 Kg5 38. a5 Kh4 39. a6 Ra2 40. Rb6 g5 41. c6 g4 42. hxg4 hxg4 43. c7 Rc2 44. a7 1-0

[Event "Lima op U18"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "?"]
[White "Esplana Huaman, Estefany"]
[Black "Cornejo Perales, Guillermo"]
[Result "1/2-1/2"]
[ECO "B74"]
[PlyCount "48"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. 0-0 0-0 9. Nb3 Be6 10. f4 Qc8 11. Kh1 Bg4 12. Bf3 Bxf3 13. Rxf3 a5 14. a3 Qd8 15. Qe2 Ng4 16. Bg1 a4 17. Nd2 Qc8 18. Rg3 Nf6 19. Nc4 Nd7 20. Rd1 Ra6 21. Rh3 Rd8 22. Qg4 Nf6 23. Qe2 Qg4 24. Qxg4 Nxg4 1/2-1/2

[Event "Lima op U18"]
[Site "Lima"]
[Date "2000.??.??"]
[Round "?"]
[White "Guerrero, JM."]
[Black "Cornejo Perales, Guillermo"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "99"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 e6 5. Bb5 a6 6. Bxc6+ bxc6 7. d3 Nf6 8. 0-0 Be7 9. Kh1 0-0 10. Qe1 Qc7 11. Qg3 Rd8 12. Bd2 Rb8 13. b3 d5 14. e5 Nd7 15. Qg4 Nf8 16. Ne2 f6 17. Ng3 Ng6 18. Rae1 f5 19. Qh3 c4 20. Ne2 cxd3 21. cxd3 Bd7 22. Rc1 Rdc8 23. Qg3 Qd8 24. Qe1 Qe8 25. d4 Qf7 26. Be3 h6 27. Qf2 a5 28. Nc3 Ra8 29. Na4 Rcb8 30. Ne1 Bh4 31. Qe2 Be7 32. Nd3 Nf8 33. Bd2 Bd8 34. Qe1 Be8 35. Rc2 Qa7 36. Ndc5 Qf7 37. Qe2 Rb5 38. Rfc1 Kh8 39. Nd3 Rbb8 40. Ndc5 Rb5 41. Nb2 Rb6 42. Qe1 Rbb8 43. Nbd3 Kg8 44. b4 a4 45. a3 Kh8 46. Nb2 Qa7 47. Nbxa4 Bb6 48. Ra2 Nd7 49. Nxb6 Qxb6 50. Nxe6 1-0

