[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.11"]
[Round "9"]
[White "Zijlstra, Jelle"]
[Black "Ferrier, Yvonne"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1797"]
[BlackElo "1744"]
[PlyCount "42"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd5 Nbd7 9. Qd3 a5 10. 0-0-0 a4 11. Nd2 Rc8 12. Qb5 Nxd5 13. exd5 Bf5 14. Nc4 Qc7 15. c3 Ra8 16. Bb6 Qc8 17. Ba5 Qc5 18. Qxc5 Nxc5 19. f3 g6 20. Bc7 Bh6+ 21. Nd2 Nb3+ 0-1

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "8"]
[White "Zijlstra, Jelle"]
[Black "Braggaar, Leonore"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "1797"]
[BlackElo "1909"]
[PlyCount "59"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d6 9. h3 Re8 10. d4 Bb7 11. Nbd2 Bf8 12. Bc2 g6 13. Nf1 Bg7 14. N3h2 exd4 15. cxd4 Nb4 16. Bg5 Nxc2 17. Qxc2 Qd7 18. Ng3 Rac8 19. Rad1 Qc6 20. Qxc6 Bxc6 21. e5 dxe5 22. dxe5 Nd5 23. Ng4 Kh8 24. f4 h5 25. Nh6 Bxh6 26. Bxh6 f6 27. exf6 Nxf6 28. f5 gxf5 29. Nxf5 Ne4 30. a3 1/2-1/2

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.09"]
[Round "6"]
[White "Zijlstra, Jelle"]
[Black "De la Fonteijne, Frederik"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "1797"]
[BlackElo "1474"]
[PlyCount "45"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 h6 5. Bh4 g5 6. Bg3 c5 7. Be5 a6 8. exd5 Nbd7 9. dxe6 Nxe5 10. dxe5 Qxd1+ 11. Rxd1 Ng4 12. exf7+ Kxf7 13. Bc4+ Kg7 14. Nf3 Bf5 15. h3 Nxe5 16. Nxe5 Re8 17. 0-0 Rxe5 18. f4 gxf4 19. Rxf4 Bc8 20. Rf7+ Kg6 21. Rd8 Bg7 22. Rxh8 Bxh3 23. Rg8 1-0

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.07"]
[Round "2"]
[White "Zijlstra, Jelle"]
[Black "Larmuseau, Maarten"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1797"]
[BlackElo "2113"]
[PlyCount "90"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Bc4 Nf6 5. Nc3 0-0 6. 0-0 c6 7. d5 b5 8. Bb3 b4 9. Ne2 Nxe4 10. dxc6 Qc7 11. Ned4 Ba6 12. Re1 Nc5 13. Bg5 e6 14. Qd2 e5 15. Bd5 h6 16. Bh4 exd4 17. Be7 Nxc6 18. Bxf8 Rxf8 19. Rad1 d3 20. h3 Kh7 21. cxd3 Nxd3 22. Re4 Ne7 23. Bb3 Nf5 24. g4 Qc6 25. Rf4 Nxf4 26. Qxf4 Be2 27. Bd5 Qc2 28. Rc1 Qxb2 29. gxf5 Bxf3 30. Bxf3 g5 31. Qc4 Bd4 32. Rc2 Qb1+ 33. Kg2 Bc3 34. Be4 Qd1 35. f6+ Kg8 36. Qb5 d5 37. Qd7 Qd4 38. Bxd5 Qxf6 39. Qxa7 Qf5 40. Bb3 g4 41. Qe3 gxh3+ 42. Qxh3 Qxh3+ 43. Kxh3 Re8 44. f3 Re3 45. Kg4 Kg7 0-1

[Event "Haarlem Nova College op"]
[Site "Haarlem"]
[Date "2006.07.07"]
[Round "1"]
[White "Zijlstra, Jelle"]
[Black "Vroombout, Enrico"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1762"]
[BlackElo "2141"]
[PlyCount "150"]
[EventDate "2006.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. Nd5 Nxd5 10. exd5 Bc8 11. 0-0 0-0 12. c4 Nd7 13. Rc1 b6 14. a4 Rb8 15. a5 Bg5 16. axb6 Bxe3 17. fxe3 Qxb6 18. Rc3 f5 19. Kh1 Nf6 20. c5 dxc5 21. Nxc5 Qxb2 22. Na4 Qb4 23. Rc4 Qb7 24. Rc6 Qb3 25. d6 Qxd1 26. Rxd1 Bd7 27. Rxa6 Ne4 28. Kg1 Bxa4 29. Rxa4 Nc3 30. Bc4+ Kh8 31. Raa1 Nxd1 32. Rxd1 g6 33. d7 Kg7 34. Ba6 Kf6 35. Bc8 Rfxc8 36. dxc8Q Rxc8 37. Kf2 Rc2+ 38. Kg3 Rc3 39. Kf2 Kg5 40. Rd2 h5 41. Rd5 Rc2+ 42. Kf1 e4 43. Rd6 h4 44. h3 Rb2 45. Rc6 Ra2 46. Rd6 Rc2 47. Rb6 Rd2 48. Rc6 Kh6 49. Ra6 Kh5 50. Ra8 Rd6 51. Rh8+ Kg5 52. Ke2 Ra6 53. Rb8 Kf6 54. Rf8+ Kg7 55. Rb8 g5 56. Rb7+ Kg6 57. Rb8 f4 58. Rg8+ Kf5 59. Rf8+ Rf6 60. Re8 Re6 61. Rf8+ Ke5 62. Rg8 Kf6 63. Rf8+ Kg7 64. Rf5 Kg6 65. Rf8 Rf6 66. Rg8+ Kh6 67. Re8 f3+ 68. Kf2 fxg2+ 69. Kxg2 Rf3 70. Rxe4 Rg3+ 71. Kh2 Kg6 72. Re8 Kf6 73. Re4 Rf3 74. Kg2 Rf5 75. Re8 Ra5 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.27"]
[Round "7"]
[White "Vreugdenhil, Frans"]
[Black "Zijlstra, Jelle"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2054"]
[BlackElo "1762"]
[PlyCount "70"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Nc4 14. Qe2 Qc7 15. Bxf6 Bxf6 16. Nd5 Qc5 17. Nxf6+ exf6 18. Bxc4 Qxc4 19. Qxc4 Rxc4 20. Ne2 Rc6 21. Rd2 Be6 22. Nc3 Rd8 23. Rhd1 Kf8 24. a3 Ke7 25. Rd4 Rd7 26. R1d2 a6 27. Nd1 f5 28. Ne3 fxe4 29. Rxe4 Kf6 30. Nd5+ Bxd5 31. Rxd5 Rc5 32. Rd2 Re5 33. Rde2 Rxe4 34. Rxe4 d5 35. Rd4 Ke5 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.20"]
[Round "6"]
[White "Zijlstra, Jelle"]
[Black "Termeulen, Albert"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1762"]
[BlackElo "2127"]
[PlyCount "51"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Nf3 b5 6. b4 Bg7 7. a4 0-0 8. axb5 Bb7 9. bxc6 Nxc6 10. b5 Nb4 11. Qb1 a5 12. bxa6 Bxa6 13. Qxb4 Bxf1 14. Rxa8 Qxa8 15. Rxf1 Rb8 16. Qc4 Rc8 17. Qd3 e6 18. Ke2 Qc6 19. Bd2 d5 20. exd5 exd5 21. Ra1 Ne4 22. Ra3 Qe6 23. Kf1 Rb8 24. Ra6 Qf5 25. Ra5 Nxc3 26. Qxf5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.13"]
[Round "5"]
[White "Blom, Vincent"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1718"]
[BlackElo "1762"]
[PlyCount "79"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nd5 Nxd5 7. exd5 Qa5+ 8. c3 Qxd5 9. Be3 a6 10. b4 Bg7 11. Qb3 Qxb3 12. axb3 Nc6 13. 0-0-0 0-0 14. Kb2 Rd8 15. Be2 e5 16. Nxc6 bxc6 17. Ka3 d5 18. Bc5 Be6 19. Ka4 f5 20. g3 Kf7 21. Rhe1 h5 22. Bf1 h4 23. Ka5 d4 24. cxd4 Bxb3 25. Rb1 Bc2 26. Bc4+ Ke8 27. Rbc1 Be4 28. Bb6 Rd7 29. dxe5 Re7 30. f4 Rd7 31. Rcd1 g5 32. Rxd7 Kxd7 33. Rd1+ Ke8 34. Rd6 hxg3 35. hxg3 gxf4 36. gxf4 Bf8 37. Re6+ Kd7 38. Rf6 Be7 39. Be6+ Ke8 40. Rh6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.06"]
[Round "4"]
[White "Zijlstra, Jelle"]
[Black "De Mooij, Marco"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1762"]
[BlackElo "1765"]
[PlyCount "71"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. f3 Nbd7 10. Qd2 Qc7 11. g4 Nb6 12. g5 Nfd7 13. h4 Nc4 14. Bxc4 Bxc4 15. f4 b5 16. f5 Rc8 17. g6 fxg6 18. fxg6 Nf6 19. gxh7 Rxh7 20. 0-0-0 a5 21. Kb1 b4 22. Nd5 Bxd5 23. exd5 a4 24. Nc1 Qc4 25. h5 b3 26. cxb3 axb3 27. Nxb3 Ra8 28. h6 gxh6 29. Rxh6 Rxh6 30. Bxh6 Qa4 31. Nc1 Ne4 32. Qc2 Qb4 33. Qc6+ Kf7 34. Rf1+ Kg6 35. Qxa8 Kxh6 36. Qh8+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.30"]
[Round "3"]
[White "Van der Werf, Mark"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2361"]
[BlackElo "1762"]
[PlyCount "71"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 h6 7. Be3 e5 8. d5 Nbd7 9. Bd3 Nh7 10. Qd2 f5 11. Bxh6 f4 12. Bxg7 Qg5 13. Nf3 Qxg2 14. Rh2 Qxf3 15. Be2 Qxc3 16. Qxc3 Kxg7 17. Bg4 f3 18. Bxf3 Ng5 19. Bg2 Nc5 20. f3 Bxh3 21. Rxh3 Nxh3 22. Bxh3 Rf4 23. 0-0-0 Raf8 24. Bg4 Nxe4 25. fxe4 Rxg4 26. Qa5 Rf7 27. Qxa7 Rxe4 28. Qxb7 Rxc4+ 29. Kb1 e4 30. Rc1 Rxc1+ 31. Kxc1 g5 32. Qc8 Re7 33. Kd2 Kf6 34. a4 Re5 35. Qxc7 Rxd5+ 36. Ke3 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.16"]
[Round "1"]
[White "Zijlstra, Jelle"]
[Black "Molsbergen, Chris"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1762"]
[BlackElo "1516"]
[PlyCount "49"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 a5 8. Qd2 Nf6 9. f3 Qc7 10. g4 Ne5 11. g5 Nfd7 12. Nd5 Qd8 13. f4 Nc6 14. 0-0-0 Nc5 15. Bg2 Bg4 16. Rdf1 Nxd4 17. Bxd4 Bxd4 18. Qxd4 0-0 19. f5 gxf5 20. exf5 Be2 21. f6 Nd3+ 22. Kb1 e6 23. Qh4 Kh8 24. Be4 h5 25. Rf3 1-0

[Event "NED-ch U15"]
[Site "Schagen"]
[Date "2006.05.02"]
[Round "2"]
[White "Kollen, Zyon"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "48"]
[EventDate "2006.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[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 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. Bd4 Bf5 16. Bd3 Rfc8 17. Qa3 Bxd4 18. Bxf5 Rc3 19. Be4 Qb6 20. bxc3 Be3+ 21. Rd2 Rb8 22. Kd1 Bxd2 23. Kxd2 Qf2+ 24. Kc1 Qe3+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.13"]
[Round "9"]
[White "Nicolai, Amir"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1674"]
[BlackElo "1727"]
[PlyCount "94"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Bd7 10. h4 h5 11. Be2 Qa5 12. Nb3 Qc7 13. Rdg1 Rfc8 14. g4 Na5 15. gxh5 Nxh5 16. f4 Nxb3+ 17. axb3 Qa5 18. Qd3 Rxc3 19. bxc3 Bxc3 20. Kd1 Qa1+ 21. Bc1 Nxf4 22. Qf3 e5 23. Bc4 b5 24. Rxg6+ Kf8 25. Bxf7 Kxf7 26. Rhg1 Rh8 27. Rg7+ Ke8 28. Rg8+ Rxg8 29. Rxg8+ Kf7 30. Qg3 Qxc1+ 31. Kxc1 Ne2+ 32. Kd1 Nxg3 33. Rxg3 Bd4 34. Ke2 b4 35. Rg5 Kf6 36. Rg8 Bc6 37. Kd3 d5 38. exd5 Bxd5 39. Rd8 Bf7 40. Rxd4 exd4 41. Kxd4 Ke6 42. Kc5 a5 43. Kd4 Kd6 44. c4 Bg6 45. Ke3 Bc2 46. h5 Bxb3 47. Kd3 Ba2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.12"]
[Round "7"]
[White "Meurs, Tom WA"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "B71"]
[WhiteElo "1675"]
[BlackElo "1727"]
[PlyCount "62"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 Bg4 8. Nf3 Nfd7 9. exd6 0-0 10. Be2 Nc6 11. 0-0 Qa5 12. Be3 exd6 13. h3 Be6 14. Nd4 Qc5 15. Na4 Bxd4 16. Nxc5 Bxe3+ 17. Kh1 Nxc5 18. c3 Ne4 19. Qe1 Nd2 20. Rf2 Bxf2 21. Qxf2 Ne4 22. Qe3 Nc5 23. b4 Nd7 24. Rd1 Nf6 25. Bf3 Rfe8 26. Qf2 d5 27. g4 Ne4 28. Bxe4 dxe4 29. f5 e3 30. Qg2 e2 31. Re1 Bc4 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.12"]
[Round "8"]
[White "Zijlstra, Jelle"]
[Black "Law, Nicky"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1727"]
[BlackElo "1880"]
[PlyCount "160"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[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. g4 Nc6 9. h4 Qb6 10. Qd2 Nxg4 11. fxg4 Bxd4 12. Bxd4 Qxd4 13. Qf4 Qe5 14. Qf3 Nd4 15. Qg2 Bxg4 16. Qxg4 Nxc2+ 17. Kd2 Nxa1 18. Bd3 Qe6 19. Qg3 Nb3+ 20. axb3 Qxb3 21. Kc1 Rac8 22. Bc2 Qc4 23. h5 Rc5 24. hxg6 fxg6 25. e5 Rf1+ 26. Rxf1 Qxf1+ 27. Kd2 Rxe5 28. Bd3 Qf6 29. Ne4 Rxe4 30. Bxe4 Qxb2+ 31. Kd1 Qd4+ 32. Bd3 e5 33. Kc2 e4 34. Be2 Qe5 35. Qb3+ Kg7 36. Qxb7+ Kh6 37. Qd7 Qc5+ 38. Kd1 Qd4+ 39. Kc2 e3 40. Qh3+ Kg5 41. Qg2+ Kf6 42. Qf3+ Ke5 43. Bd3 Qf4 44. Qb7 Qf2+ 45. Kc3 Qd2+ 46. Kc4 Qc1+ 47. Kb3 Qd1+ 48. Kc3 Qd2+ 49. Kc4 Qa2+ 50. Kc3 Qa3+ 51. Kc2 Qc5+ 52. Kd1 Kd4 53. Be2 Qa5 54. Qg7+ Ke4 55. Qe7+ Qe5 56. Qh4+ Qf4 57. Qe7+ Kd5 58. Qb7+ Ke6 59. Qc8+ Kf6 60. Qf8+ Kg5 61. Qe7+ Kh6 62. Qxa7 d5 63. Qd7 Qf5 64. Qb7 Qe5 65. Qb4 Kg5 66. Qg4+ Kf6 67. Qh4+ Kg7 68. Qb4 Qa1+ 69. Kc2 Qa2+ 70. Kd3 Qd2+ 71. Qxd2 exd2 72. Kxd2 Kf6 73. Ke3 Ke5 74. Kf3 Kd4 75. Kg4 h6 76. Kf4 g5+ 77. Kf5 Ke3 78. Bh5 d4 79. Kg6 Kf4 80. Bd1 g4 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.11"]
[Round "6"]
[White "Zijlstra, Jelle"]
[Black "Van Lanen, Luuk"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1727"]
[BlackElo "1596"]
[PlyCount "63"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c4 Ng6 10. Be3 f5 11. Bd3 Be7 12. Qb3 0-0 13. c5 Kh8 14. c6 bxc6 15. dxc6 d5 16. Rc1 d4 17. Bd2 a6 18. Na3 e4 19. Bc4 Bg5 20. Bd5 Bxd2+ 21. Kxd2 Qg5+ 22. Kc2 a5 23. Kb1 Ba6 24. c7 Rae8 25. Bb7 Bxb7 26. Qxb7 Ne7 27. Nb5 Nc8 28. Nxd4 Qxg2 29. Rhd1 Qxf2 30. Ne6 Rxe6 31. Rd8 Ree8 32. Qxc8 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.10"]
[Round "5"]
[White "Abbasov, Shanin"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2000"]
[BlackElo "1727"]
[PlyCount "25"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 Nf6 5. d3 d5 6. exd5 exd5 7. Nxd5 Nxd5 8. h3 Be7 9. 0-0 0-0 10. Re1 Nc6 11. b3 Bf6 12. Ba3 Bxa1 13. Qxa1 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.10"]
[Round "4"]
[White "Zijlstra, Jelle"]
[Black "Larmuseau, Maarten"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1727"]
[BlackElo "1606"]
[PlyCount "55"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 0-0 8. Bg5 Nbc6 9. Bf6 g6 10. Qg5 Qa5 11. Ne2 Nxd4 12. g4 Nf3+ 13. Kd1 Nxg5 14. Bxg5 Nc6 15. f4 d4 16. Bf6 dxc3 17. h4 Rd8+ 18. Ke1 Nd4 19. Kf2 Bd7 20. h5 Bb5 21. hxg6 fxg6 22. Bg2 Bxe2 23. Rxh7 Kxh7 24. Rh1+ Kg8 25. Rh8+ Kf7 26. Rh7+ Ke8 27. Bxb7 Rab8 28. Rh8+ 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.09"]
[Round "3"]
[White "Degrande, Marigje"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1730"]
[BlackElo "1727"]
[PlyCount "129"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. f4 e5 2. d3 Bc5 3. Nf3 exf4 4. Bxf4 d6 5. d4 Bb6 6. e3 Nf6 7. Nbd2 0-0 8. Bd3 Re8 9. 0-0 Bg4 10. c3 Nd5 11. Nc4 Nd7 12. Qc2 N7f6 13. Nfd2 Qd7 14. Ne4 Re7 15. Nxf6+ Nxf6 16. Bg5 Qe6 17. Bxf6 gxf6 18. Bxh7+ Kh8 19. Qd3 d5 20. Nxb6 axb6 21. Rf4 Kg7 22. e4 dxe4 23. Rxe4 Qd7 24. Rxe7 Qxe7 25. Be4 Be6 26. a3 Qd6 27. Qd2 Rh8 28. g3 Qd7 29. Bg2 Bc4 30. Re1 Qg4 31. Re4 Qf5 32. Qf4 Qh5 33. Qg4+ Qxg4 34. Rxg4+ Kf8 35. Re4 Rh5 36. Bf1 Bd5 37. Rf4 Ke7 38. Be2 Rh8 39. Bf3 Bc4 40. h4 Bd3 41. Kf2 f5 42. Be2 Bb1 43. Rf3 Kf6 44. Bd3 Bxd3 45. Rxd3 Rd8 46. Re3 c5 47. Rd3 Kg7 48. Kf3 f6 49. Kf4 Rd5 50. Ke3 Rd7 51. dxc5 Re7+ 52. Kf4 bxc5 53. Kxf5 Re5+ 54. Kf4 Kg6 55. b4 c4 56. Re3 Rf5+ 57. Ke4 b5 58. Rf3 Re5+ 59. Kd4 Re2 60. Kc5 Re5+ 61. Kb6 f5 62. Ka5 Kh5 63. Rf4 Kg6 64. a4 bxa4+ 65. Kxa4 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Alssema, Etien"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "57"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nf6 4. d3 d5 5. exd5 exd5 6. Bb5+ Bd7 7. Qe2+ Be7 8. Bxd7+ Nbxd7 9. Nf3 0-0 10. 0-0 a6 11. Bf4 b5 12. Ne5 Nxe5 13. Qxe5 Re8 14. Bg3 b4 15. Nd1 Ng4 16. Qf4 Qd7 17. Ne3 Nxe3 18. fxe3 Bf6 19. Bh4 Bxb2 20. Rab1 Be5 21. Qg5 Qe6 22. Rf3 Bf6 23. Qg3 Bxh4 24. Qxh4 Rad8 25. Rh3 h6 26. Rf1 Rd6 27. Qf4 Re7 28. Rhf3 g5 29. Rg3 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Mulbagal, Suyash"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "86"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. f3 Nc6 9. Qd2 d5 10. 0-0-0 e6 11. Nb3 dxe4 12. fxe4 Qxd2+ 13. Rxd2 Bd7 14. Rhd1 Rad8 15. Nc5 Bc8 16. Rxd8 Rxd8 17. Rxd8+ Nxd8 18. Bg5 Nc6 19. Nb5 b6 20. Bxf6 Bxf6 21. Nb3 Be5 22. g3 Bb7 23. Bd3 Kf8 24. c3 Ke7 25. N3d4 a6 26. Nxc6+ Bxc6 27. Nd4 Bxd4 28. cxd4 b5 29. Kd2 f5 30. exf5 exf5 31. h3 Bd5 32. b3 Kd6 33. Kc3 Kc6 34. Kb4 Kb6 35. a4 a5+ 36. Kc3 b4+ 37. Kb2 Kc6 38. Bc4 Kd6 39. Kc2 g5 40. Bxd5 Kxd5 41. Kd3 f4 42. gxf4 gxf4 43. h4 h5 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Nijs, Nils"]
[Black "Zijlstra, Jelle"]
[Result "1/2-1/2"]
[ECO "A15"]
[PlyCount "49"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. d3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 c6 7. g3 Qb6 8. Qc2 Na6 9. a3 Bg4 10. Bg2 0-0 11. 0-0 Nc5 12. Nxd5 cxd5 13. Be3 Rac8 14. Rac1 Qxb2 15. Qxb2 Bxb2 16. Rxc5 Bxa3 17. Ra5 Bd6 18. Rxa7 Rb8 19. Rb1 b5 20. Bd2 b4 21. Ra4 Bd7 22. Ra7 Bg4 23. h3 Be6 24. Ng5 b3 25. Bc1 1/2-1/2

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Schut, Donna"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "123"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 Nc6 8. Qd2 Bd7 9. Nc3 0-0 10. Be2 Rc8 11. b3 Qa5 12. 0-0 a6 13. Nxc6 Bxc6 14. Nd5 Qd8 15. Nc3 Qa5 16. Rac1 Rfe8 17. Rc2 Bd7 18. Rfc1 Rb8 19. Nd5 Qxd2 20. Bxd2 Nxd5 21. cxd5 Rbc8 22. Rc7 Rxc7 23. Rxc7 Bc8 24. Be3 Bb2 25. Kf1 Ba3 26. Bb6 Bb4 27. Bd3 Kg7 28. Ke2 f5 29. Kd1 Kf6 30. Bd4+ Kf7 31. h3 Ba5 32. Rc2 Bd7 33. g4 fxg4 34. fxg4 Rc8 35. Rf2+ Kg8 36. e5 Bc3 37. Bxc3 Rxc3 38. Kd2 Rc5 39. exd6 Rxd5 40. dxe7 Re5 41. Bc4+ Kg7 42. Rf7+ Kh6 43. e8Q Bxe8 44. Rxb7 Ra5 45. a4 Bc6 46. Rb6 Bxa4 47. bxa4 Rxa4 48. Bxa6 Ra2+ 49. Ke3 Ra3+ 50. Bd3 Ra1 51. Kf3 Ra3 52. Rd6 Ra1 53. Be2 Ra3+ 54. Kg2 Ra2 55. Re6 Kg7 56. Kg3 Ra1 57. Re7+ Kh8 58. Bf3 Ra3 59. h4 Kg8 60. Kf4 Kh8 61. Bd5 Ra4+ 62. Kg5 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Ten Hertog, Hugo"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "82"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Nf6 7. Bf4 g6 8. 0-0 Bg7 9. Qe2 0-0 10. Rad1 Qb6 11. Be3 Qa5 12. Nd5 Nxe4 13. Bf4 Bf5 14. g4 Bxg4 15. Qxe4 e6 16. Ne3 Bh3 17. Bxd6 Bxf1 18. Kxf1 Rfd8 19. Bxe6 fxe6 20. Qxe6+ Kh8 21. Rd5 Re8 22. Qf7 Qd8 23. Ng4 Bxb2 24. Ng5 Bg7 25. Ne6 Rxe6 26. Qxe6 Qe8 27. Qxe8+ Rxe8 28. Bc5 b6 29. Be3 Rd8 30. Rxd8+ Nxd8 31. Ke2 h5 32. Nh6 Kh7 33. Bg5 Ne6 34. Nf7 Kg8 35. Nh6+ Kf8 36. Bd2 Bf6 37. f4 Nd4+ 38. Kf2 Kg7 39. f5 g5 40. Be3 Kxh6 41. h4 Nxf5 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Zijlstra, Jelle"]
[Black "Goossens, Hanne"]
[Result "1-0"]
[ECO "C59"]
[PlyCount "79"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Qd4 11. f4 Bc5 12. Rf1 Qd6 13. c3 Bb6 14. d4 exd3 15. Qxd3 Nb7 16. Qxd6 Nxd6 17. Nxc6 Bb7 18. Bf3 0-0 19. Na3 Rfe8+ 20. Kd1 Nde4 21. Ne5 Rad8+ 22. Kc2 Ba6 23. Rd1 Nf2 24. Rxd8 Rxd8 25. Nac4 Bxc4 26. Nxc4 Nd3 27. Nxb6 axb6 28. Be3 Nc5 29. Bxc5 bxc5 30. a4 Rd7 31. a5 Ra7 32. a6 Nd7 33. b4 c4 34. b5 Nb6 35. Rd1 Na4 36. Rd8+ Kh7 37. Ra8 Re7 38. Rc8 Nb6 39. Rc6 Na8 40. b6 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Zijlstra, Jelle"]
[Black "Josee, Arne"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "49"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Bg4 8. 0-0 Qf6 9. Nd5 Qd8 10. Nxb4 Nxb4 11. Qa4+ Nc6 12. d5 a6 13. dxc6 b5 14. Bxf7+ Kxf7 15. Qb3+ Ke8 16. Bg5 Nf6 17. Rfe1 h6 18. e5 Bxf3 19. exf6+ Kf8 20. fxg7+ Kxg7 21. Bxd8 Bd5 22. Qxd5 Raxd8 23. Re7+ Kf6 24. Qe6+ Kg5 25. Rg7+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Zijlstra, Jelle"]
[Black "Kamali, Mehran"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "57"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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. g4 Nxd4 10. Bxd4 Be6 11. h4 Qa5 12. h5 Rac8 13. h6 Bh8 14. g5 Ne8 15. Bxh8 Kxh8 16. Bh3 Rc5 17. f4 b5 18. Qd4+ Kg8 19. b4 Qa3 20. bxc5 dxc5 21. Qe5 b4 22. Nd5 Qg3+ 23. Ke2 Bg4+ 24. Bxg4 Qxg4+ 25. Kf2 f6 26. gxf6 exf6 27. Rag1 Qd7 28. Nxf6+ Rxf6 29. Qd5+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Zijlstra, Jelle"]
[Black "Pijpers, Arthur"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "53"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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. g4 Be6 10. h4 d5 11. Nxc6 bxc6 12. e5 Nd7 13. h5 Nxe5 14. Be2 Qd6 15. Bh6 Nxf3+ 16. Bxf3 Qg3+ 17. Ke2 Bxg4 18. Bxg4 Qxg4+ 19. Kf2 Bd4+ 20. Be3 Bxe3+ 21. Qxe3 d4 22. Qe4 Qxe4 23. Nxe4 f5 24. Ng5 Rfd8 25. hxg6 hxg6 26. Rh7 e5 27. Rah1 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Zijlstra, Jelle"]
[Black "Schippers, Maurice"]
[Result "0-1"]
[ECO "C43"]
[PlyCount "58"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Bd3 d5 6. exd6 Nxd6 7. Nxd4 Be7 8. 0-0 0-0 9. Nc3 c5 10. Nf3 Nc6 11. Re1 Be6 12. Bf4 Nf5 13. Ne4 Ncd4 14. c3 Nxf3+ 15. Qxf3 Qb6 16. b3 Rad8 17. Bc2 Qc6 18. Rad1 Rfe8 19. Qe2 Bd5 20. Qf1 c4 21. b4 Kh8 22. Ng5 Qf6 23. Rxd5 Rxd5 24. Qxc4 Red8 25. Be4 Rd1 26. Kf1 Nh6 27. Bxb7 Qf5 28. Bf3 Rxe1+ 29. Kxe1 Bxg5 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Zijlstra, Jelle"]
[Black "Ten Hertog, Stefan"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "27"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 cxd4 7. cxd4 Nc6 8. Nf3 Nge7 9. Bd3 Qb6 10. c3 0-0 11. Bxh7+ Kh8 12. Ng5 g6 13. Qf3 Kg7 14. Qf6+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.09"]
[Round "12"]
[White "Zijlstra, Jelle"]
[Black "Ijsselhof, Rinske"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "80"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. a3 Ne4 8. b4 Nxc3 9. Qc2 Bxb4 10. Nd2 Ne4 11. axb4 Qxa1+ 12. Ke2 Nxg5 13. g3 Ne4 14. Bg2 Qc3 15. Qxc3 Nxc3+ 16. Kd3 Ne4 17. Bxe4 dxe4+ 18. Nxe4 Nf6 19. Nd6+ Ke7 20. c5 b6 21. Ra1 b5 22. e4 Ne8 23. Nxe8 Rxe8 24. f4 Rd8 25. h4 f6 26. h5 e5 27. f5 Rxd4+ 28. Ke3 Rxb4 29. Rd1 Bb7 30. Rd6 Rd8 31. Re6+ Kf7 32. h6 gxh6 33. Kf3 h5 34. g4 hxg4+ 35. Kg3 Rxe4 36. Kh4 g3+ 37. Kh5 g2 38. Kh6 g1Q 39. Re7+ Kxe7 40. Kh5 Qg5# 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "11"]
[White "Decoster, Sam"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "58"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 d5 4. Nc3 Be7 5. Bf4 c6 6. Nf3 0-0 7. e3 Nbd7 8. Bd3 dxc4 9. Bxc4 Nb6 10. Bd3 Bd7 11. 0-0 c5 12. Qd2 Bc6 13. Ne5 Bd5 14. Rfe1 Nh5 15. Bg3 f6 16. Ng4 Nxg3 17. hxg3 Qd7 18. Qe2 Rac8 19. dxc5 Bxc5 20. Rad1 Qe7 21. e4 Bb3 22. Rc1 Bd4 23. Ne3 Bxc3 24. Rxc3 Rxc3 25. bxc3 Qxa3 26. Qh5 Ba4 27. g4 Qxc3 28. Bb1 Qxe1+ 29. Kh2 Qxb1 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "7"]
[White "Tempelman, Kristianne"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "124"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. Nf3 Bg7 5. e3 Nbd7 6. Be2 0-0 7. 0-0 c5 8. d5 Re8 9. b3 Ne4 10. Nxe4 Bxa1 11. Bd2 Bg7 12. Nc3 Ne5 13. e4 e6 14. Bg5 Nxf3+ 15. Bxf3 Qxg5 16. Nb5 Qe7 17. Qd2 exd5 18. cxd5 a6 19. Qa5 b6 20. Qxb6 axb5 21. Qxb5 Ba6 22. Qc6 Bxf1 23. Kxf1 Qa7 24. g3 Qa6+ 25. Be2 Qxc6 26. dxc6 Rxa2 27. Bb5 Rb2 28. Ba6 Re7 29. Bc8 Rxb3 30. Bd7 Rxd7 31. cxd7 Rb8 32. f4 Rd8 33. f5 Rxd7 34. g4 c4 35. Ke2 c3 36. Kd1 d5 37. exd5 Rxd5+ 38. Kc2 Rd2+ 39. Kc1 Rxh2 40. fxg6 fxg6 41. g5 Rg2 42. Kd1 Kf7 43. Kc1 Ke6 44. Kd1 Kd5 45. Kc1 Ke4 46. Kd1 Kd3 47. Kc1 Rxg5 48. Kb1 Rg1+ 49. Ka2 c2 50. Kb3 c1N+ 51. Kb4 h5 52. Kc5 h4 53. Kd6 h3 54. Ke6 Rf1 55. Kd5 h2 56. Kc5 h1Q 57. Kd6 Qb7 58. Ke6 Qc7 59. Kd5 Nb3 60. Ke6 Ke3 61. Kd5 Rf5+ 62. Ke6 Nd4# 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "9"]
[White "Van Vliet, Harry"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "51"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e3 Bg7 5. b3 0-0 6. Bb2 Nbd7 7. Nf3 c5 8. Be2 Re8 9. 0-0 e6 10. Rb1 d5 11. cxd5 Nxd5 12. Nxd5 exd5 13. Bb5 cxd4 14. Bxd4 a6 15. Bxd7 Qxd7 16. Bxg7 Kxg7 17. Nd4 Qd6 18. Re1 Re4 19. h3 Qe5 20. Nf3 Qh5 21. Nd2 Qxd1 22. Rbxd1 Re7 23. Nf3 Be6 24. Rc1 Rd8 25. Nd4 Rc8 26. Nxe6+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "10"]
[White "Zijlstra, Jelle"]
[Black "Claushuis, Michael"]
[Result "0-1"]
[ECO "B18"]
[PlyCount "21"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Bd3 Bxd3 8. Qxd3 Bd6 9. Bd2 Nf6 10. 0-0-0 Nd5 11. Ne5 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.07"]
[Round "8"]
[White "Zijlstra, Jelle"]
[Black "Pinchasik, David"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "28"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d3 Bc5 7. Qf3 Be6 8. Ne4 Bb4+ 9. c3 Be7 10. 0-0 0-0 11. Bb3 Nb6 12. Qe2 a6 13. f4 f5 14. Bxe6+ Kh8 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "4"]
[White "Kers, Kyra Tiana"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "23"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nc3 Bf5 4. Nb5 Na6 5. Nf3 c6 6. Nc3 e6 7. e3 Nc7 8. Bd3 Ne4 9. Nxe4 dxe4 10. Bxc7 Qxc7 11. h3 exd3 12. cxd3 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "6"]
[White "Zijlstra, Jelle"]
[Black "Van Praet, Reinald"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "36"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[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. d4 d5 6. Bd3 Nc6 7. Qe2 Bf5 8. Nc3 Qe7 9. Nxd5 Qd6 10. Bxe4 Bxe4 11. Qxe4+ Be7 12. 0-0 0-0-0 13. Nxe7+ Nxe7 14. c3 h6 15. Bf4 Qe6 16. Qxe6+ fxe6 17. Ne5 Rde8 18. Rfe1 Rd8 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "3"]
[White "Kamali, Mehran"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "55"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Be7 7. Bd3 Nc6 8. 0-0 0-0 9. f4 Bd7 10. Qf3 Qa5 11. Rae1 Rac8 12. Nb3 Qh5 13. Be2 Qxf3 14. Bxf3 g6 15. Rd1 Nb4 16. Rf2 Rfd8 17. e5 dxe5 18. fxe5 Ne8 19. Bxb7 Rb8 20. Bf3 Bc8 21. Rxd8 Bxd8 22. a3 Nd5 23. Nxd5 exd5 24. Bxd5 h6 25. Bxf7+ Kg7 26. Bd5 Nc7 27. Be4 Kg8 28. Bxa7 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "4"]
[White "Zijlstra, Jelle"]
[Black "Meuleman, Karlijn"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "87"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 b5 6. Bxb5 Bd6 7. Bxc6 dxc6 8. dxe5 Nxe4 9. exd6 0-0 10. 0-0 Nxd6 11. Bg5 f6 12. Bh4 Qe8 13. Re1 Qg6 14. Nd4 Nf5 15. Nxf5 Bxf5 16. Na3 Rae8 17. Qf3 Be4 18. Qg3 Qxg3 19. Bxg3 f5 20. Bxc7 f4 21. Bd6 Rf6 22. Bc5 Rg6 23. f3 Re5 24. Bd4 Bxf3 25. Bxe5 Rxg2+ 26. Kf1 Rxh2 27. Bxf4 Rxb2 28. Re3 Bd5 29. Re2 Rb7 30. Nc2 Bc4 31. Rae1 Bxe2+ 32. Rxe2 Rf7 33. Re8+ Rf8 34. Rxf8+ Kxf8 35. Nb4 c5 36. Bd6+ Kf7 37. Bxc5 h5 38. Bxa7 h4 39. Bb8 Kf6 40. a4 h3 41. a5 Ke6 42. a6 Kf5 43. a7 Kg4 44. a8Q 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "2"]
[White "Zijlstra, Jelle"]
[Black "Van Blokland, Lotte"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "17"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[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 Qe7 4. d4 d6 5. Nf3 Nxe4 6. Be2 Bg4 7. 0-0 Nf6 8. Re1 Qd8 9. Bb5# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "Ter Schegget, Bram"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "103"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 d6 7. Qd2 Bd7 8. Nb5 Qd8 9. Bxc5 dxc5 10. Qf4 Rc8 11. Bc4 Be6 12. Bxe6 fxe6 13. Qg4 Qe7 14. Nd2 Ne5 15. Qh5+ Ng6 16. g3 a6 17. Na3 Nf6 18. Qe2 0-0 19. 0-0 Rcd8 20. Rad1 Ne5 21. Ndc4 Nfg4 22. Nxe5 Nxe5 23. f4 Nc6 24. Nc2 e5 25. f5 Rd6 26. Ne3 Rfd8 27. Rxd6 Rxd6 28. Qc4+ Qf7 29. Qxf7+ Kxf7 30. Nd5 Ne7 31. Nxc7 Rd2 32. Rf2 Rd1+ 33. Kg2 Re1 34. Kf3 Nc8 35. Re2 Rd1 36. Ne6 g6 37. Nxc5 Nd6 38. fxg6+ Kxg6 39. b3 a5 40. Ke3 b6 41. Nd7 Nxe4 42. Nxe5+ Kf5 43. Nc4 Nxc3 44. Rf2+ Ke6 45. Nxb6 Rd6 46. Nc4 Nd1+ 47. Ke2 Nc3+ 48. Kf1 Rd5 49. Rc2 Ne4 50. Re2 Rd1+ 51. Kg2 Kd5 52. Ne3+ 1-0

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.31"]
[Round "7"]
[White "Law, Nicky"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "69"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Nbd7 7. Nf3 c5 8. d5 a6 9. 0-0 Nb6 10. a3 Bd7 11. b4 cxb4 12. axb4 Ng4 13. Bd4 e5 14. Bxb6 Qxb6 15. Qb3 f5 16. Ng5 Bh6 17. Ne6 Bxe6 18. dxe6 Rfe8 19. exf5 gxf5 20. Nd5 Qd8 21. e7 Rxe7 22. Nxe7+ Qxe7 23. Bxg4 fxg4 24. Rad1 Kh8 25. Qd3 Bf8 26. Qe4 Rc8 27. Qxg4 Rc7 28. Rfe1 Qf6 29. Re3 b6 30. Qf3 Qe7 31. Qf5 Bg7 32. Rh3 Bf8 33. Qe4 Rc8 34. Ra1 Qg5 35. Qxh7# 1-0

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.31"]
[Round "9"]
[White "Postma, Daan"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "101"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. Bg5 0-0 7. cxd4 Bb4+ 8. Nc3 Qe7 9. e5 d6 10. 0-0 dxe5 11. Re1 Bxc3 12. bxc3 e4 13. Bxf6 Qxf6 14. Rxe4 Bd7 15. Ne5 Bf5 16. Re3 Rad8 17. Qf3 Na5 18. Bb3 a6 19. Rae1 h6 20. Ng4 Qg5 21. Nxh6+ Qxh6 22. Qxf5 b5 23. Bxf7+ Kh8 24. Qh5 Rd6 25. Qxh6+ Rxh6 26. Re8 Rxe8 27. Rxe8+ Kh7 28. Bg8+ Kh8 29. Bd5+ Kh7 30. Be4+ g6 31. Re7+ Kg8 32. Rxc7 g5 33. Rc5 Re6 34. Bd5 Kf7 35. Bxe6+ Kxe6 36. Rxg5 Nc4 37. h4 Kf6 38. Rg3 Nd6 39. h5 Nf7 40. Rf3+ Kg7 41. Rxf7+ Kg8 42. h6 Kxf7 43. g4 a5 44. g5 b4 45. cxb4 axb4 46. d5 b3 47. axb3 Kg8 48. g6 Kh8 49. d6 Kg8 50. d7 Kf8 51. d8Q# 1-0

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.31"]
[Round "8"]
[White "Zijlstra, Jelle"]
[Black "Kabos, Tobias"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "140"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 h6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 d6 8. Qb3 Qe7 9. 0-0 Bxc3 10. bxc3 b6 11. Qb5 Bd7 12. Bd5 Nxd4 13. Qd3 Nxf3+ 14. Qxf3 c6 15. Bb3 Nf6 16. Re1 0-0 17. Bf4 Rfe8 18. Rad1 Bg4 19. Qg3 Bxd1 20. Bxd6 Qb7 21. Rxd1 Nxe4 22. Qd3 Nxd6 23. Qxd6 Rad8 24. Qxd8 Rxd8 25. Rxd8+ Kh7 26. h3 Qe7 27. Rd1 b5 28. c4 a5 29. cxb5 cxb5 30. a4 bxa4 31. Bxa4 g6 32. g3 Qe6 33. Kh2 Qe2 34. Kg1 Qa2 35. Bc6 Qc2 36. Bf3 Qf5 37. Kg2 a4 38. Ra1 Qa5 39. Bd1 a3 40. Be2 Qb4 41. Bc4 Qxc4 42. Rxa3 Qc6+ 43. Kh2 Qf6 44. Ra2 h5 45. h4 Qe6 46. Ra4 Qb6 47. Rf4 f5 48. Kh3 Qe6 49. Kh2 Kg7 50. Kg2 Kf6 51. Kh2 g5 52. hxg5+ Kxg5 53. Kh3 Qd5 54. Kh2 Qc6 55. Kg1 Qc1+ 56. Kg2 Qxf4 57. gxf4+ Kg4 58. f3+ Kxf4 59. Kf2 h4 60. Kg2 Ke3 61. f4 Kxf4 62. Kf2 h3 63. Kg1 Kg3 64. Kh1 f4 65. Kg1 f3 66. Kh1 Kf2 67. Kh2 Kf1 68. Kh1 Ke1 69. Kg1 f2+ 70. Kh2 f1Q 0-1

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.30"]
[Round "5"]
[White "Byun, Insik"]
[Black "Zijlstra, Jelle"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "82"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 f6 6. Nc3 Bg4 7. Be3 Bb4 8. Qd2 Qd7 9. 0-0-0 0-0-0 10. d4 exd4 11. Qxd4 Qxd4 12. Rxd4 Rxd4 13. Bxd4 Ne7 14. e5 Nd5 15. Nxd5 cxd5 16. exf6 gxf6 17. Bxf6 Rf8 18. Ne5 Bh5 19. Bh4 Be2 20. Nd3 Bxd3 21. cxd3 Bc5 22. f3 Kd7 23. Re1 Bb4 24. Re5 c6 25. Rg5 Rf7 26. Bg3 Bc5 27. Be5 Be3+ 28. Kd1 Bxg5 29. Bd4 Kd6 30. Ke2 c5 31. Bf2 d4 32. Kd1 Be3 33. Bg3+ Bf4 34. Bf2 Bxh2 35. Ke2 Bf4 36. g3 Be3 37. Be1 Kd5 38. b3 b5 39. g4 Rf6 40. Bg3 Rg6 41. Kf1 h5 0-1

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.30"]
[Round "4"]
[White "Zijlstra, Jelle"]
[Black "Faassen, Guido"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "75"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 Nxc6 8. 0-0 h6 9. Nf3 Bd6 10. Re1 Bg4 11. d4 a6 12. Bxc6+ bxc6 13. dxe5 Bxe5 14. Qxd8+ Rxd8 15. Nxe5 Rd1 16. Rxd1 Bxd1 17. Be3 0-0 18. Nc3 Bxc2 19. Nxc6 Bd3 20. h3 Ne4 21. Nxe4 Bxe4 22. Rc1 Re8 23. Kh2 f5 24. Nb4 Bb7 25. Rc7 Rb8 26. a3 Kh8 27. Ba7 Rd8 28. Rxb7 Rd2 29. Nxa6 Kh7 30. b4 Ra2 31. b5 Rxa3 32. Bd4 Ra5 33. Rxg7+ Kh8 34. Bc3 Ra3 35. Rg3+ Kh7 36. b6 Rxa6 37. Rg7+ Kh8 38. Ra7+ 1-0

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.30"]
[Round "6"]
[White "Zijlstra, Jelle"]
[Black "Van Rijn, Giel"]
[Result "1/2-1/2"]
[ECO "B45"]
[PlyCount "44"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Qd3 Ne5 8. Qb5 Qa5 9. Qxa5 Bxa5 10. f3 Nc6 11. Bb5 a6 12. Ba4 Bxc3+ 13. bxc3 0-0 14. 0-0 e5 15. Nf5 g6 16. Nd6 Ne8 17. Rfd1 Nxd6 18. Rxd6 Kg7 19. Rad1 Re8 20. Bg5 Re6 21. Kf2 f6 22. Be3 Rb8 1/2-1/2

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.29"]
[Round "3"]
[White "De Vries, Jan Pieter"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "109"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bf4 d6 6. e4 Bd7 7. Bd3 c5 8. d5 Qb6 9. b3 Na6 10. 0-0 Nc7 11. Rc1 e6 12. Qc2 a5 13. Rb1 e5 14. Be3 Bg4 15. Be2 Na6 16. a3 Rfe8 17. Qd2 Qd8 18. h3 Bd7 19. Bd3 Qc8 20. Nh2 b6 21. f4 Nh5 22. Rf3 Qd8 23. Rbf1 Qe7 24. Nb5 Bxb5 25. cxb5 Nc7 26. a4 Nxd5 27. exd5 e4 28. Bxe4 Qxe4 29. Re1 Qb4 30. Qd1 Bd4 31. Kh1 Nxf4 32. Bd2 Rxe1+ 33. Bxe1 Qa3 34. Rxf4 Re8 35. Nf3 Be3 36. Rc4 Qa2 37. Rc3 Bf4 38. Nd2 Re5 39. Rc2 Qa3 40. Nf3 Re8 41. Qb1 h6 42. Ra2 Qc1 43. Qxc1 Bxc1 44. Bd2 Bxd2 45. Rxd2 Re3 46. Rb2 Kg7 47. Kg1 Kf6 48. Nd2 Kf5 49. Nc4 Re7 50. Nxd6+ Ke5 51. Nc4+ Kxd5 52. Rd2+ Ke6 53. Re2+ Kd7 54. Nxb6+ Kd6 55. Nc8+ 1-0

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.29"]
[Round "1"]
[White "Schippers, Maurice"]
[Black "Zijlstra, Jelle"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "60"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. 0-0 d5 10. exd5 Nxd5 11. Re1 Bg4 12. Qb3 Nb6 13. Qc3 Qd7 14. Ne5 Nxe5 15. Rxe5 Rfe8 16. Rae1 Nxc4 17. Nxc4 f6 18. R5e3 Rxe3 19. Rxe3 Rd8 20. Rd3 c5 21. d5 b6 22. Qb3 Bf5 23. Rd2 b5 24. Ne3 c4 25. Qb4 Bd3 26. b3 Rc8 27. bxc4 bxc4 28. Qc3 f5 29. f4 a6 30. Qd4 Kf7 1/2-1/2

[Event "NED-ch U12"]
[Site "Schagen"]
[Date "2003.05.29"]
[Round "2"]
[White "Zijlstra, Jelle"]
[Black "Van der Linden, Mathijs"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "75"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 d6 8. Qd2 0-0 9. 0-0-0 a6 10. Bc4 Bd7 11. Kb1 b5 12. Bb3 Nxd4 13. Bxd4 a5 14. a3 b4 15. Na4 bxa3 16. bxa3 Rb8 17. Ka2 Bxa4 18. Bxa4 Nd7 19. Bxg7 Kxg7 20. Qd4+ e5 21. Qxd6 Nf6 22. Qxe5 Qb6 23. Rd6 Qc7 24. Qxf6+ Kg8 25. Rc6 Qb7 26. h4 Rfc8 27. Rxc8+ Rxc8 28. Rb1 Qc7 29. g4 Qh2 30. h5 gxh5 31. gxh5 h6 32. Bb3 Rc7 33. Ba4 Rc8 34. Rb2 Qxh5 35. Bd7 Rf8 36. c4 Qc5 37. Rg2+ Kh7 38. Bf5+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2002.08.10"]
[Round "13"]
[White "Snijders, Pieter Jan"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "61"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 dxc3 7. e5 Ng4 8. Bxf7+ Kxf7 9. Qd5+ Ke8 10. Qxc5 cxb2 11. Bxb2 d6 12. exd6 cxd6 13. Qd5 Qe7 14. Re1 Nge5 15. Nbd2 Be6 16. Qb5 Nxf3+ 17. Nxf3 Kf7 18. Ng5+ Kg8 19. Nxe6 Kf7 20. Ng5+ Ke8 21. Rxe7+ Kxe7 22. Bxg7 Rhg8 23. Qxb7+ Kd8 24. Qxa8+ Kd7 25. Qxg8 h5 26. Qe6+ Kc7 27. Rc1 Kb6 28. Bd4+ Nxd4 29. Qxd6+ Kb7 30. Rc7+ Kb8 31. Qd8# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "12"]
[White "Zijlstra, Jelle"]
[Black "Ijsselhof, Rinske"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "50"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[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 b6 9. 0-0 Bb7 10. Qd3 Ne5 11. Qc2 Qc7 12. b3 Neg4 13. Nf3 Nxe3 14. fxe3 Ng4 15. Qd2 Qc5 16. Nd4 Nxe3 17. Rf3 Bxd4 18. Na4 Ng4+ 19. Kh1 Qe5 20. Rh3 Nf2+ 21. Kg1 Nxe4+ 22. Kh1 Nxd2 23. Re1 Qe4 24. Rg3 Bf2 25. Rg4 Qe6 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "7"]
[White "Van Nie, Jonathan"]
[Black "Zijlstra, Jelle"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "75"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2 0-0 9. Nxc6 bxc6 10. 0-0-0 Be6 11. g4 Qa5 12. a3 Nd7 13. Nb1 Qxd2+ 14. Nxd2 Rab8 15. b3 a5 16. a4 Nb6 17. Bxb6 Rxb6 18. Nc4 Bxc4 19. Bxc4 Rd8 20. h4 e6 21. h5 d5 22. exd5 cxd5 23. hxg6 hxg6 24. Kb1 Rdb8 25. Bb5 Rd6 26. c4 Rbd8 27. c5 d4 28. cxd6 Rxd6 29. Rd3 Kf8 30. Rc1 Ke7 31. Rc7+ Kd8 32. Rxf7 Be5 33. f4 Bh8 34. Rf8+ Kc7 35. Rxh8 Kb6 36. Rg8 Kc5 37. Rxg6 Rd7 38. Rf6 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "2"]
[White "Van Cappellen, Jonas"]
[Black "Zijlstra, Jelle"]
[Result "1/2-1/2"]
[ECO "B70"]
[PlyCount "35"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Be3 Bg7 9. 0-0 0-0 10. f3 Nb6 11. Bf2 d5 12. e5 Nfd7 13. e6 Nf6 14. exf7+ Rxf7 15. Re1 Qd6 16. a3 e5 17. Ncb5 Qe7 18. Ne6 1/2-1/2

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2002.08.05"]
[Round "1"]
[White "Zijlstra, Jelle"]
[Black "Ten Vergert, Paul"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "104"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Bxc6 Bxc6 6. dxe5 Bxe4 7. exd6 Bxd6 8. 0-0 Ne7 9. Nc3 Bc6 10. Be3 0-0 11. Qd3 Bxf3 12. gxf3 Qc8 13. Ne4 Be5 14. Ng5 Ng6 15. f4 Qg4+ 16. Kh1 Bxf4 17. Rg1 Qh4 18. Bxf4 Qxf4 19. Rg2 Rad8 20. Qh3 h6 21. Nf3 Rd6 22. Rag1 Rfd8 23. Rg4 Qf6 24. c3 Qf5 25. Qg3 c6 26. Nh4 Qc2 27. f4 Rd1 28. Nf3 Rxg1+ 29. Nxg1 Qe4+ 30. Qg2 Qxg2+ 31. Kxg2 Rd2+ 32. Kh3 Rxb2 33. a4 Rb3 34. Rg3 Nxf4+ 35. Kg4 Nd5 36. Ne2 Ra3 37. Kh5 Rxa4 38. Nd4 Kh7 39. Rf3 Nxc3 40. Nxc6 bxc6 41. Rxc3 Ra6 42. Kh4 Rb6 43. Rf3 f6 44. Ra3 a6 45. Kg4 c5 46. Rc3 Rb5 47. Kf3 a5 48. Ke4 c4 49. Kd4 Rb4 50. Ra3 Rb6 51. Kxc4 Ra6 52. Kb5 Ra8 0-1

