[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2015.07.02"]
[Round "8"]
[White "Perez, Jerzy Jesus"]
[Black "Benavides Montenegro, Maicol Alexander"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1992"]
[BlackElo "1813"]
[PlyCount "44"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 Nbd7 10. f4 exf4 11. Bxf4 Ne5 12. Kh1 0-0 13. Nd4 Ng6 14. Bg3 Rc8 15. Nxe6 fxe6 16. Qd4 Qd7 17. Rad1 Rfd8 18. Bc4 b5 19. Bb3 Kh8 20. e5 dxe5 21. Qxd7 Rxd7 22. Rxd7 Nxd7 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2015.07.02"]
[Round "7"]
[White "Ramos Bayas, David Santiago"]
[Black "Perez, Jerzy Jesus"]
[Result "0-1"]
[ECO "B41"]
[BlackElo "1992"]
[PlyCount "46"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Be3 Nxe4 8. Qc2 Nf6 9. Be2 0-0 10. 0-0 Be7 11. Rfd1 d6 12. Rac1 Nc6 13. f3 Bd7 14. Bf1 Rc8 15. Qf2 Qa5 16. Nb3 Qh5 17. g4 Nxg4 18. fxg4 Qxg4+ 19. Kh1 Ne5 20. Rd4 Bc6+ 21. Bg2 Bxg2+ 22. Qxg2 Qxg2+ 23. Kxg2 Nxc4 0-1

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2015.07.01"]
[Round "5"]
[White "Pariona Larrota, Andre Sebastian"]
[Black "Perez, Jerzy Jesus"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1603"]
[BlackElo "1992"]
[PlyCount "38"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. 0-0 Qc7 9. a3 Be7 10. Be3 0-0 11. f4 d6 12. Kh1 Nbd7 13. f5 Nc5 14. fxe6 fxe6 15. b4 Ncxe4 16. Nxe6 Qxc3 17. Nxf8 Qxe3 18. Rf3 Qh6 19. Kg1 Rxf8 0-1

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2015.06.29"]
[Round "3"]
[White "Bonvini, Alberto Tonhati"]
[Black "Perez, Jerzy Jesus"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1735"]
[BlackElo "1992"]
[PlyCount "129"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. f4 d6 6. Nf3 Bg7 7. d3 Nge7 8. 0-0 0-0 9. h3 e5 10. g4 exf4 11. Bxf4 d5 12. Qd2 d4 13. Ne2 Be6 14. Bh6 Kh8 15. Bxg7+ Kxg7 16. Ng3 h6 17. g5 h5 18. Nh4 Qd6 19. Ngf5+ Nxf5 20. exf5 Bd5 21. Bxd5 Qxd5 22. Rae1 Rae8 23. Rxe8 Rxe8 24. fxg6 fxg6 25. Qf4 Qe6 26. Ng2 Qe7 27. Re1 Ne5 28. Qg3 Qc7 29. Re4 Re7 30. Qf4 Re6 31. Qg3 Re7 32. Nf4 Qd6 33. Kg2 Kh7 34. Ne2 Qd5 35. Kh2 Nc6 36. Rxe7+ Nxe7 37. Qf4 Qe6 38. Qe4 Qd6+ 39. Kg2 Nd5 40. Kf3 Kg7 41. Nf4 Nxf4 42. Qxf4 Qe7 43. h4 b6 44. a3 a5 45. a4 Qb7+ 46. Kg3 Qe7 47. Kf3 Qd7 48. Qe5+ Kg8 49. Ke4 Kh7 50. Qf6 Qb7+ 51. Ke5 Qc7+ 52. Qd6 Qb7 53. Ke6 Qf3 54. Qe7+ Kg8 55. Kd6 Qf4+ 56. Kc6 Qxh4 57. Qe6+ Kg7 58. Qf6+ Kh7 59. Qf7+ Kh8 60. Qxg6 Qh2 61. Qh6+ Kg8 62. g6 Qg2+ 63. Kxb6 h4 64. Qh7+ Kf8 65. Qf7# 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2015.06.29"]
[Round "2"]
[White "Perez, Jerzy Jesus"]
[Black "Tobar Beltran, Jorge Esteban"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1992"]
[BlackElo "1570"]
[PlyCount "38"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. g3 cxd4 12. cxd4 0-0 13. Bf4 Bxf4 14. Nxf4 Nxd4 15. Nxd4 e5 16. Nfe2 exd4 17. Nxd4 Bg4 18. Qd2 Ne4 19. Qc2 Ng5 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2015.06.28"]
[Round "1"]
[White "La Rosa Barreto, Carlos Said Rafael"]
[Black "Perez, Jerzy Jesus"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1265"]
[BlackElo "1992"]
[PlyCount "58"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Qb6 8. Nb3 Qc7 9. Be3 Nf6 10. h3 Be7 11. 0-0 0-0 12. Re1 d6 13. Qe2 Nbd7 14. Rad1 Ne5 15. Bc1 Nxd3 16. Rxd3 Rad8 17. Kh1 Kh8 18. f3 Nd7 19. f4 Rde8 20. Qf2 Nb6 21. Na5 Ba8 22. Be3 Nc4 23. Nxc4 bxc4 24. Rdd1 f5 25. exf5 Rxf5 26. Bb6 Qc8 27. Kg1 e5 28. Be3 Qb7 29. Bc1 Bh4 0-1

