[Event "Cajamarca Reg Norte op"]
[Site "Cajamarca"]
[Date "2012.04.07"]
[Round "5"]
[White "Ramal Moreno, Jojay Steven"]
[Black "Villegas Osorio, Marco"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "106"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 g6 6. Nc3 Bg7 7. e4 d6 8. Nge2 0-0 9. Bd2 Nbd7 10. Nf4 Ne5 11. Nd3 Nc4 12. Nc1 axb5 13. Nxb5 Nxb2 14. Qc2 Na4 15. Rb1 Nd7 16. Bc4 Ne5 17. Be2 Bd7 18. h3 c4 19. f4 Bxb5 20. Rxb5 c3 21. Bxc3 Nxc3 22. Qxc3 Rc8 23. Qe3 Nc4 24. Bxc4 Rxc4 25. e5 dxe5 26. fxe5 Bxe5 27. Ne2 Qd7 28. Ra5 Qf5 29. Rf1 Qb1+ 30. Kf2 Qf5+ 31. Kg1 Bh2+ 32. Kxh2 Qxf1 33. Ra7 Qf5 34. Rxe7 Qxd5 35. Ng3 Rc2 36. Ne4 Qxa2 37. Qg5 Qb2 38. Nf6+ Kg7 39. Nh5+ Kh8 40. Rxf7 Rxg2+ 41. Qxg2 Qxg2+ 42. Kxg2 Rxf7 43. Ng3 Kg7 44. Ne4 Ra7 45. Nd6 Ra3 46. Ne8+ Kh6 47. Nf6 g5 48. Ng4+ Kg7 49. Ne5 h5 50. Nf3 Kf6 51. Nd4 Ke5 52. Nf3+ Kf4 53. Nd4 Ra2+ 0-1

[Event "Cajamarca Reg Norte op"]
[Site "Cajamarca"]
[Date "2012.04.06"]
[Round "4"]
[White "Rojas Menor, Walter Alejandro"]
[Black "Villegas Osorio, Marco"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1893"]
[PlyCount "79"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 cxd4 6. exd4 0-0 7. Be2 d6 8. 0-0 a6 9. h3 Nbd7 10. Bf4 Re8 11. Re1 Nf8 12. Qb3 Ne6 13. Be3 Nd7 14. Rad1 Rb8 15. Qc2 Nc7 16. a4 Nf6 17. Bd3 d5 18. c5 Nd7 19. Bf4 e6 20. b4 f6 21. Bxc7 Qxc7 22. Nxd5 Qd8 23. Nc3 Nf8 24. Ne4 Re7 25. Bc4 Kh8 26. d5 exd5 27. Bxd5 Bf5 28. Be6 Qc7 29. Bxf5 gxf5 30. Nd6 Ng6 31. Nxf5 Rd7 32. Rxd7 Qxd7 33. Nd6 Rg8 34. Qc4 Rf8 35. a5 Bh6 36. Qe6 Qc7 37. g3 Bg7 38. Qd5 Ne5 39. Nxe5 fxe5 40. Qxb7 1-0

[Event "Cajamarca Reg Norte op"]
[Site "Cajamarca"]
[Date "2012.04.06"]
[Round "3"]
[White "Villegas Osorio, Marco"]
[Black "Tepe, Carlos"]
[Result "0-1"]
[ECO "B95"]
[BlackElo "2017"]
[PlyCount "44"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Nbd7 8. 0-0-0 Qc7 9. Qg3 b5 10. Bxb5 axb5 11. Ndxb5 Qa5 12. Nxd6+ Bxd6 13. Rxd6 h6 14. Be3 Rb8 15. Rhd1 Qb4 16. R6d4 Qxb2+ 17. Kd2 e5 18. Rd6 Qa3 19. Bc5 Nxc5 20. Qxe5+ Ne6 21. Rxe6+ Bxe6 22. Qxb8+ Ke7 0-1

[Event "Cajamarca Reg Norte op"]
[Site "Cajamarca"]
[Date "2012.04.05"]
[Round "1"]
[White "Villegas Osorio, Marco"]
[Black "Cespedes Torres, Jose Mart"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "1788"]
[PlyCount "36"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. b4 cxb3 10. Nxb3 Ba4 11. Nfd2 Rc8 12. Qc2 Ne7 13. Qb2 Nec6 14. Nxa5 Qxb2 15. Bxb2 Nxa5 16. Bd3 g6 17. f4 b6 18. g4 Be7 1/2-1/2

[Event "Cajamarca Reg Norte op"]
[Site "Cajamarca"]
[Date "2012.04.05"]
[Round "2"]
[White "Zarate Oyague, Flor de Maria"]
[Black "Villegas Osorio, Marco"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1924"]
[PlyCount "92"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 c5 5. Bg2 Nc6 6. 0-0 0-0 7. d3 Rb8 8. Bf4 d6 9. Qc1 Re8 10. Ng5 Nd4 11. Re1 a6 12. Nd5 b5 13. Rb1 Bg4 14. Qd2 h6 15. Nxf6+ exf6 16. Ne4 f5 17. f3 fxe4 18. fxg4 e3 19. Bxe3 Nc2 20. Bxh6 Nxe1 21. Bxg7 Kxg7 22. Rxe1 Qf6 23. b3 b4 24. Rf1 Qd4+ 25. Kh1 Qxg4 26. Bd5 Re7 27. e4 f6 28. Rf4 Qg5 29. Kg2 Rh8 30. Qf2 Qh5 31. Rh4 Qe5 32. Rf4 Rh6 33. h4 Re8 34. g4 Rxh4 35. Qxh4 Qxf4 36. Qg3 Qd2+ 37. Kg1 Re5 38. Qf2 Qxd3 39. Kh2 Re8 40. Kg2 Rh8 41. e5 Qh3+ 42. Kg1 Qxg4+ 43. Qg2 Qxg2+ 44. Kxg2 fxe5 45. Kf3 Rf8+ 46. Kg3 Rf1 0-1

[Event "Cajamarca op 2nd"]
[Site "Cajamarca"]
[Date "2010.12.05"]
[Round "6"]
[White "Cervera Mendo, Roger Josep"]
[Black "Villegas Osorio, Marco"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "129"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. c3 d5 3. Bf4 Nc6 4. Nf3 Bg4 5. e3 e6 6. Bb5 Qb6 7. Bxc6+ bxc6 8. b3 Nf6 9. Nbd2 Ne4 10. Qc2 Bf5 11. Qb2 cxd4 12. Nxd4 Be7 13. 0-0 Bg6 14. Nxe4 Bxe4 15. Rac1 c5 16. Ne2 Bf6 17. Rfd1 0-0 18. Ng3 Bg6 19. Ne2 h5 20. h3 h4 21. Bh2 Rfd8 22. Nf4 Bh7 23. Nh5 e5 24. Nxf6+ gxf6 25. Qe2 Qe6 26. Rd2 Bg6 27. Rcd1 Rac8 28. Qg4 Qxg4 29. hxg4 d4 30. exd4 cxd4 31. cxd4 Rxd4 32. Rxd4 exd4 33. Bd6 d3 34. f4 Be4 35. f5 Rc2 36. Bf4 Rxg2+ 37. Kf1 Rxg4 38. Be3 h3 39. Rd2 Bg2+ 40. Kg1 Be4+ 41. Kh2 a6 42. Kxh3 Bxf5 43. Rg2 Rg6+ 44. Kh2 Kf8 45. Kg1 Be4 46. Rxg6 fxg6 47. Kf2 Ke7 48. b4 Kd6 49. a4 Ke6 50. Bd4 f5 51. Be3 Bd5 52. Bd2 Kd6 53. Ke3 Be4 54. Kd4 Kc6 55. Kc4 Kb7 56. Kc5 Bc6 57. Kd4 Kc7 58. Kxd3 Bxa4 59. Kd4 Kd6 60. Bf4+ Kc6 61. Bd2 Bc2 62. Be3 Bb1 63. Bd2 Kb5 64. Kc3 Ka4 65. Kd4 1/2-1/2

[Event "Cajamarca op 2nd"]
[Site "Cajamarca"]
[Date "2010.12.05"]
[Round "5"]
[White "Villegas Osorio, Marco"]
[Black "Pazos, Marco"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2000"]
[PlyCount "104"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bc4 Nxd5 4. Ne2 Nb6 5. Bb3 c5 6. c3 Bg4 7. 0-0 Nc6 8. d3 e5 9. Na3 Qd7 10. Bg5 f6 11. Be3 0-0-0 12. h3 Bf5 13. Nc1 Kb8 14. Bc2 g5 15. Nb3 Na4 16. Qf3 h5 17. d4 Bxc2 18. Nxc2 g4 19. Qg3 Qf5 20. Ne1 cxd4 21. Nxd4 Nxd4 22. cxd4 Bd6 23. f4 exd4 24. Bxd4 Bc5 25. Bxc5 Qxc5+ 26. Qf2 Rd2 27. Qxc5 Nxc5 28. Rf2 Rhd8 29. Rc1 Ne4 30. Rxd2 Rxd2 31. Rc2 Rd1 32. Kf1 Nd6 33. hxg4 hxg4 34. Ke2 Rd4 35. Nd3 Re4+ 36. Kf2 Nf5 37. Nc5 Rxf4+ 38. Ke2 Rd4 39. Rd2 Ng3+ 40. Ke3 Rb4 41. Nd7+ Kc7 42. a3 Nf1+ 43. Ke2 Nxd2 44. axb4 Kxd7 45. Kxd2 Ke6 46. Ke3 Ke5 47. b5 Kf5 48. b6 a5 49. b3 Ke5 50. Kd3 f5 51. Ke3 f4+ 52. Kd3 Kd5 0-1

[Event "Cajamarca op 2nd"]
[Site "Cajamarca"]
[Date "2010.12.04"]
[Round "3"]
[White "Aguilar, Manuel"]
[Black "Villegas Osorio, Marco"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2031"]
[PlyCount "107"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. Bd3 Be6 12. Qh5 Bg7 13. 0-0 h6 14. c3 0-0 15. Nc2 fxe4 16. Bxe4 f5 17. Nf6+ Rxf6 18. Bxc6 Ra7 19. Qe8+ Qxe8 20. Bxe8 f4 21. Rfd1 Bf8 22. Nb4 Re7 23. Bh5 Rg7 24. Kh1 e4 25. Nxa6 Rf5 26. Be8 Rfg5 27. Rg1 e3 28. f3 Bc4 29. b3 Be2 30. Rae1 Rxg2 31. Bc6 Rxg1+ 32. Rxg1 Rxg1+ 33. Kxg1 Be7 34. Nc7 Bd3 35. Nd5 Bg5 36. Nb4 Be2 37. Kg2 Kf8 38. Nc2 Bf6 39. Nd4 Bxd4 40. cxd4 b4 41. Be4 Ke7 42. Bh7 Bb5 43. Be4 Kf6 44. Kg1 Kg5 45. Kg2 h5 46. Bc2 h4 47. h3 Bd7 48. Bd3 Bf5 49. Bc4 Kf6 50. Be2 Bb1 51. Bc4 Bxa2 52. Kf1 Bb1 53. Kg1 Ke7 54. Kf1 0-1

[Event "Cajamarca op 2nd"]
[Site "Cajamarca"]
[Date "2010.12.04"]
[Round "2"]
[White "Grados, Luis"]
[Black "Villegas Osorio, Marco"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2187"]
[PlyCount "44"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 e5 5. Bg2 Bd6 6. 0-0 a6 7. e3 h5 8. d4 h4 9. Nxh4 Rxh4 10. dxc5 Rh6 11. cxd6 Kf8 12. e4 Rg6 13. h4 Ne8 14. c5 Qa5 15. Be3 b6 16. h5 Rf6 17. Nd5 bxc5 18. Nxf6 Nxf6 19. Rc1 Nd4 20. f4 Qb5 21. Rf2 Bb7 22. fxe5 Nxe4 1-0

[Event "Cajamarca op 2nd"]
[Site "Cajamarca"]
[Date "2010.12.04"]
[Round "4"]
[White "Villegas Osorio, Marco"]
[Black "Moreno, William"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "2138"]
[PlyCount "72"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Qd4 f6 7. Bc4 e6 8. 0-0 Bg7 9. Rd1 Qa5 10. Nc3 Ne7 11. Bd2 Qc7 12. Qc5 Qb6 13. Qa3 Kf7 14. Be3 Qb7 15. Bc5 Re8 16. Rd6 f5 17. f3 Be5 18. Rad1 Rb8 19. Na4 Qc7 20. b4 a5 21. c3 Ng8 22. Qc1 f4 23. Ba6 Nf6 24. Bxc8 Rexc8 25. Nb2 axb4 26. Nc4 Bxc3 27. Qxf4 Kg7 28. g4 Rf8 29. g5 Nh5 30. Qe3 Rf7 31. Nb6 Rd8 32. Qd3 Nf4 33. Qc4 Nh3+ 34. Kg2 Nxg5 35. h4 Nxf3 36. Rxd7 Qh2+ 0-1

[Event "Cajamarca op 2nd"]
[Site "Cajamarca"]
[Date "2010.12.03"]
[Round "1"]
[White "Villegas Osorio, Marco"]
[Black "Morales Nurena, Ramon"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "53"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 e6 8. c3 Be7 9. Bd3 0-0 10. 0-0 Bd7 11. g4 c5 12. g5 Nd5 13. Qh5 g6 14. Nxg6 fxg6 15. Bxg6 hxg6 16. Qxg6+ Kh8 17. Qh6+ Kg8 18. g6 Nf6 19. Bg5 Bd6 20. g7 Re8 21. Bxf6 Bxh2+ 22. Kxh2 Qb6 23. Rg1 cxd4 24. cxd4 e5 25. Qh8+ Kf7 26. Qh7 Rg8 27. Qg6+ 1-0

