[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.07"]
[Round "7"]
[White "De la Cerna, Jhon"]
[Black "Saenz, Ivan"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "58"]
[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. Bc4 Be7 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 d6 7. 0-0 Nf6 8. Nc3 0-0 9. f3 a6 10. a4 c5 11. Nf5 Bxf5 12. exf5 c4 13. Ba2 Qb6+ 14. Kh1 Rac8 15. Re1 Rfe8 16. Ne4 Nxe4 17. Rxe4 Bf6 18. Re1 Bh4 19. Rf1 h5 20. b3 d5 21. Bb2 c3 22. Ba3 d4 23. g3 Bf6 24. Rc1 a5 25. h3 Qc6 26. Bb1 Bg5 27. Kg2 Bxc1 28. Qxc1 Nxf3 29. Kf2 Nd2 0-1

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.06"]
[Round "6"]
[White "Freyre, Rodrigo"]
[Black "De la Cerna, Jhon"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "64"]
[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 c6 2. c4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. cxd5 Nxd5 7. Nf3 Nxc3 8. bxc3 Bg4 9. Bc4 e6 10. 0-0 Bd6 11. Rb1 Qc7 12. h3 Bh5 13. Be2 0-0 14. Be3 Rfd8 15. Qb3 Na5 16. Qa4 a6 17. c4 Bg6 18. Rb2 Nc6 19. d5 b5 20. Qd1 exd5 21. cxb5 axb5 22. Rxb5 Rab8 23. Rxb8 Qxb8 24. Qa4 Ne7 25. Nd4 Qa8 26. Bb5 Qxa4 27. Bxa4 Nf5 28. Nxf5 Bxf5 29. Bd4 Bd3 30. Rd1 Bc4 31. Bb3 Bxb3 32. axb3 f6 1/2-1/2

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.05"]
[Round "5"]
[White "De la Cerna, Jhon"]
[Black "Sanes, Vladimir"]
[Result "1/2-1/2"]
[ECO "B14"]
[BlackElo "2213"]
[PlyCount "33"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 0-0 9. Bd3 Nc6 10. 0-0 Be7 11. Nxd5 Qxd5 12. Bc3 Rd8 13. Qc2 h6 14. a3 Bd7 15. Be4 Qd6 16. Rfd1 f5 17. Bd3 1/2-1/2

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.04.01"]
[Round "3"]
[White "Castillo, Juan Pablo"]
[Black "De la Cerna, Jhon"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "107"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. Nf4 e5 8. Nxg6 hxg6 9. Be3 Nbd7 10. dxe5 Qa5+ 11. Qd2 Qxe5 12. 0-0-0 Be7 13. Bf4 Qd5 14. Kb1 Qxd2 15. Bxd2 Ng4 16. Be1 0-0-0 17. h3 Ngf6 18. Bc4 Kb8 19. Bc3 Rhf8 20. f4 Nb6 21. Rxd8+ Bxd8 22. Bb3 Bc7 23. Bb4 Rd8 24. Bxf7 Nbd5 25. Bd2 Bxf4 26. Bxf4+ Nxf4 27. Rf1 Rd7 28. Bc4 b5 29. Ne2 Nxg2 30. Bd3 Ne3 31. Rg1 Re7 32. Nd4 Kc7 33. Bxg6 a6 34. Nf5 Nxf5 35. Bxf5 Kd6 36. c3 a5 37. Rd1+ Nd5 38. Bg4 g5 39. b3 Kc5 40. Kb2 Ne3 41. Rd7 Re5 42. Bf3 Nd5 43. Bg4 Nf4 44. Rg7 Nd3+ 45. Kc2 Nf2 46. Rf7 Nxg4 47. hxg4 Kd5 48. Kd3 Ke6 49. Ra7 b4 50. cxb4 axb4 51. Rb7 c5 52. Rb6+ Kd5 53. Rb8 Kd6 54. Rd8+ 1/2-1/2

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.03.31"]
[Round "2"]
[White "De la Cerna, Jhon"]
[Black "Canapatana, Armando"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "77"]
[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 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 c5 8. a3 a5 9. Qc2 cxd4 10. Nxd4 Nc5 11. Be3 Ng4 12. Bxg4 Bxg4 13. f3 Bd7 14. Rab1 a4 15. Rfd1 f5 16. exf5 gxf5 17. f4 Rc8 18. Qe2 e5 19. Ndb5 Bxb5 20. Nxb5 Ne4 21. Rd5 Qh4 22. Nxd6 Nxd6 23. Rxd6 exf4 24. Bf2 Qg4 25. Qd2 f3 26. g3 Qxc4 27. Bd4 Qc2 28. Rd1 Qxd2 29. Rxd2 Rc1+ 30. Kf2 f4 31. g4 Bxd4+ 32. R6xd4 b5 33. Rb4 Rc5 34. Kxf3 h5 35. h3 hxg4+ 36. hxg4 Re8 37. Rbd4 Re3+ 38. Kxf4 Rb3 39. g5 1/2-1/2

[Event "Lima Univ San Marcos 2nd"]
[Site "Lima"]
[Date "2007.03.29"]
[Round "1"]
[White "Retamozo, Henry"]
[Black "De la Cerna, Jhon"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2263"]
[PlyCount "57"]
[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. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. d4 g6 6. Be3 Bg7 7. Nc3 0-0 8. h3 Nc6 9. Rc1 a6 10. Be2 Re8 11. 0-0 h6 12. Qd2 Kh7 13. Rfd1 e6 14. b3 Qe7 15. d5 Rd8 16. Bxb6 cxb6 17. d6 Qe8 18. Na4 Bd7 19. Nxb6 Rab8 20. a4 h5 21. Rc5 f6 22. Bc4 Bh6 23. Qc3 Bg7 24. e5 Qf7 25. b4 Na7 26. Rc7 Nc8 27. Nxd7 Rxd7 28. exf6 Bh6 29. Ne5 1-0

