[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2014.05.03"]
[Round "8"]
[White "Den Dunnen, Lola"]
[Black "Leeftink, Gerbert"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1705"]
[PlyCount "115"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 c6 7. Be3 Nbd7 8. Be2 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Qc2 Qc7 12. 0-0-0 Be6 13. g4 a6 14. g5 Nd7 15. h4 b5 16. cxb5 cxb5 17. Nd5 Qb7 18. Kb1 Rfe8 19. Qd2 Rac8 20. Rc1 Nb8 21. Bc5 Rcd8 22. Rhd1 Nc6 23. Qe3 Bxd5 24. Rxd5 Bf8 25. Bxf8 Rxf8 26. Rdc5 Rd6 27. Qc3 Nd4 28. Qe3 Rc6 29. Bg4 Rxc5 30. Rxc5 Qe7 31. Qc3 Rd8 32. Rc8 Rxc8 33. Qxc8+ Kg7 34. Qxa6 Qc5 35. Qf6+ Kg8 36. Bd1 Qc4 37. Qd8+ Kg7 38. Qf6+ Kg8 39. Qxe5 Qd3+ 40. Kc1 Qc4+ 41. Kd2 b4 42. Qd5 Qxd5 43. exd5 Nf5 44. h5 Kf8 45. hxg6 fxg6 46. Kd3 Ke7 47. Kc4 Kd6 48. Bf3 b3 49. axb3 Ne7 50. b4 Nc8 51. Kb5 Kc7 52. Kc5 Nd6 53. b5 Nb7+ 54. Kd4 Kd6 55. b4 Nd8 56. Bg4 Nf7 57. f4 Ke7 58. Kc5 1-0

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2014.05.02"]
[Round "7"]
[White "Leeftink, Gerbert"]
[Black "Tikranian, Alik"]
[Result "0-1"]
[ECO "D46"]
[BlackElo "1994"]
[PlyCount "80"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Nbd7 5. Nf3 e6 6. Be2 Bd6 7. Qc2 dxc4 8. Bxc4 0-0 9. e4 e5 10. d5 Qc7 11. dxc6 Qxc6 12. Bb5 Qc7 13. 0-0 Nc5 14. Bd3 Bg4 15. Be3 a6 16. Nd2 Be6 17. f3 Rfd8 18. Rfd1 Nxd3 19. Qxd3 b5 20. Rac1 Rac8 21. Nf1 Bc4 22. Qd2 Bf8 23. Qf2 Qb7 24. Bb6 Rxd1 25. Rxd1 b4 26. Nd5 Nxd5 27. exd5 Bxd5 28. b3 Be6 29. Ng3 h6 30. Be3 Qc6 31. h3 a5 32. Rc1 Qxc1+ 33. Bxc1 Rxc1+ 34. Kh2 Bc5 35. Qb2 Bg1+ 36. Kh1 Be3+ 37. Kh2 Bf4 38. h4 h5 39. a4 g5 40. Qb1 Bxg3+ 0-1

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2014.05.01"]
[Round "6"]
[White "Jongste, David"]
[Black "Leeftink, Gerbert"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1851"]
[PlyCount "71"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxb4 7. Nb5 Bd7 8. Nd6+ Kf8 9. Qf3 Qe7 10. axb4 Bxb4+ 11. c3 Bxd6 12. exd6 Qd8 13. Bd3 Nc6 14. Qg3 a5 15. Nf3 a4 16. Bg5 Nf6 17. 0-0 h6 18. Be3 Na5 19. Ne5 Ne8 20. Rfb1 Ra7 21. Qf4 Nf6 22. Nxd7+ Qxd7 23. Bb5 Nc6 24. Bxa4 Kg8 25. Bc2 Rxa1 26. Rxa1 Ne8 27. Ra8 Nd8 28. Qh4 Nc6 29. h3 g5 30. Qh5 Kg7 31. Bxg5 hxg5 32. Qxg5+ Kf8 33. Qf6 Rg8 34. Bh7 Rg7 35. Qh6 Nd8 36. Qh4 1/2-1/2

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2014.04.30"]
[Round "5"]
[White "Leeftink, Gerbert"]
[Black "Chang, Hawkie"]
[Result "1-0"]
[ECO "D23"]
[BlackElo "1766"]
[PlyCount "85"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Be2 Nbd7 6. Nf3 Bd6 7. 0-0 0-0 8. Qc2 dxc4 9. e4 Be7 10. Bxc4 b5 11. Bd3 h6 12. e5 Ne8 13. Be4 b4 14. Na4 Ba6 15. Rd1 Rc8 16. Be3 Nc7 17. Rac1 Nd5 18. Qd2 Bb5 19. Nc5 N7b6 20. Bb1 Nxe3 21. Qxe3 Bxc5 22. Rxc5 Na4 23. Qe4 g6 24. Rc2 Qd5 25. Qf4 Kh7 26. h4 f5 27. exf6 Qf5 28. Qg3 Qxf6 29. Ne5 Rcd8 30. Nxg6 Rg8 31. Rcd2 Kg7 32. Ne7+ Kf7 33. Nxg8 Rxg8 34. Qc7+ Kf8 35. Re1 Nb6 36. Qb8+ Kf7 37. Qxa7+ Kf8 38. Qxb6 Qxh4 39. Qb8+ Kf7 40. Qc7+ Kf8 41. Qd6+ Kf7 42. Qxe6+ Kf8 43. Qe8+ 1-0

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2014.04.29"]
[Round "4"]
[White "Van Hoorn, Geert"]
[Black "Leeftink, Gerbert"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "127"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. Nf3 Nc6 7. Bb5 Bd7 8. Be3 Nge7 9. 0-0 0-0 10. Bxc6 Nxc6 11. Ne2 cxd4 12. Nexd4 Nxd4 13. Nxd4 Qh4 14. f4 f6 15. Nf5 exf5 16. Qxd5+ Kh8 17. Qxd7 fxe5 18. fxe5 f4 19. Bf2 Qg5 20. e6 f3 21. g3 Qg4 22. Be3 Rac8 23. Qxb7 Qxe6 24. Rxf3 Rxf3 25. Qxf3 Rxc2 26. Qf8+ Qg8 27. Rf1 Rxb2 28. Bd4 Rb7 29. Qd6 Rf7 30. Rb1 Bc7 31. Qc6 Qd8 32. Rd1 Bb6 33. Kg2 Bxd4 34. Rxd4 Qf6 35. Qxf6 gxf6 36. Kf3 Rc7 37. Kf4 Kg7 38. Ra4 Re7 39. Ra5 Kg6 40. g4 Rc7 41. Ra4 Re7 42. h4 Rc7 43. h5+ Kf7 44. Ra5 Ke6 45. Ra6+ Kf7 46. Ra4 Ke6 47. g5 Kf7 48. Ra5 fxg5+ 49. Kxg5 Kg7 50. h6+ Kf7 51. Kf5 Re7 52. a4 Rb7 53. Rb5 Rc7 54. a5 a6 55. Rd5 Rc6 56. Rd7+ Kg8 57. Rg7+ Kh8 58. Kg5 Rc5+ 59. Kf6 Rc6+ 60. Kf7 Rc7+ 61. Kf8 Rc8+ 62. Kf7 Rc7+ 63. Kf8 Rf7+ 64. Rxf7 1/2-1/2

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2014.04.28"]
[Round "3"]
[White "Leeftink, Gerbert"]
[Black "Baselmans, Sam"]
[Result "1/2-1/2"]
[ECO "E73"]
[PlyCount "62"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. h4 e5 7. d5 Na6 8. Be3 b6 9. Qc1 Nc5 10. f3 Nh5 11. g4 Ng3 12. Rh2 Nxe2 13. Kxe2 f5 14. gxf5 gxf5 15. Bh6 Rf7 16. b4 Nb7 17. Bg5 Qf8 18. Rg2 Kh8 19. exf5 Bxf5 20. Ne4 a5 21. a3 Rc8 22. Ng3 h6 23. Be3 Kh7 24. Ra2 Ra8 25. Nxf5 Rxf5 26. Qc2 Kh8 27. Rg3 Qf6 28. b5 Rf8 29. Qe4 Rh5 30. Rg4 Rf5 31. Rg3 Rh5 1/2-1/2

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2014.04.26"]
[Round "1"]
[White "De Boer, Bas"]
[Black "Leeftink, Gerbert"]
[Result "0-1"]
[ECO "E44"]
[PlyCount "50"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 b6 6. a3 Bxc3+ 7. Nxc3 d5 8. g3 dxc4 9. Bg2 Nd5 10. 0-0 Bb7 11. Qc2 Nd7 12. Ne2 c5 13. Qxc4 Rc8 14. Qa2 cxd4 15. Nxd4 Nc5 16. Nf3 Ba6 17. Rd1 Be2 18. Re1 Nd3 19. Rxe2 Nxc1 20. Rxc1 Rxc1+ 21. Re1 Qc7 22. Rxc1 Qxc1+ 23. Bf1 Qd1 24. Kg2 Rc8 25. Bc4 Nxe3+ 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2012.05.05"]
[Round "8"]
[White "Leeftink, Gerbert"]
[Black "De Feijter, Bas"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1584"]
[BlackElo "1654"]
[PlyCount "47"]
[EventDate "2012.04.28"]
[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 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bg4 6. Be2 Nc6 7. d4 Rd8 8. c3 e5 9. dxe5 Qxd1+ 10. Bxd1 Nxe5 11. Ba4+ Nd7 12. Ne5 Be6 13. 0-0 Bd6 14. Bxd7+ Bxd7 15. Nxd7 Rxd7 16. Re1+ Be7 17. Be3 0-0 18. Rad1 Rd6 19. Rxd6 Bxd6 20. Rd1 b6 21. g3 g6 22. Kg2 Re8 23. a3 Kf8 24. Bh6+ 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2012.05.04"]
[Round "7"]
[White "Leeftink, Gerbert"]
[Black "Mouhdad, Yassine"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "1584"]
[BlackElo "1752"]
[PlyCount "84"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 c6 10. Re1 Qc7 11. Qc2 h6 12. Bxf6 Nxf6 13. Rad1 Be6 14. b3 Kh7 15. h3 Nd7 16. e4 f5 17. exf5 gxf5 18. Nh4 Kg8 19. Re2 Rf7 20. Rde1 Qd8 21. Qd2 Qf6 22. Nd5 cxd5 23. cxd5 Nb6 24. dxe6 Qxe6 25. Qd1 Rd7 26. Rd2 Rad8 27. Ree2 e4 28. Rxd7 Nxd7 29. Kh2 Bf6 30. Ng6 Nc5 31. Qc1 Kh7 32. Nf4 Qd6 33. Rc2 Nd3 34. Rc7+ Bg7 35. Qc3 Rd7 36. Rxd7 Qxd7 37. Qd2 Qd6 38. Nxd3 Qxd3 39. Qa5 Qd7 40. g4 Qd6+ 41. Kh1 Be5 42. Qe1 f4 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2012.05.03"]
[Round "6"]
[White "Blees, Timothy"]
[Black "Leeftink, Gerbert"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1244"]
[BlackElo "1584"]
[PlyCount "62"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. c4 c6 5. cxd5 cxd5 6. Nc3 Bd7 7. Nf3 Nc6 8. Bf4 Bb4 9. 0-0 0-0 10. a3 Bxc3 11. bxc3 Ne4 12. Rc1 f6 13. Nd2 Nxd2 14. Qxd2 Na5 15. Qb2 g5 16. Bd6 Nc4 17. Qb4 a5 18. Qc5 b6 19. Qc7 Qxc7 20. Bxc7 Rac8 21. Bxb6 Nxb6 22. Rb1 Rb8 23. e3 Nc4 24. Ra1 Rb3 25. Rfc1 Rfb8 26. Bf1 Nd2 27. Bd3 Rc8 28. Rd1 Nc4 29. a4 Rxc3 30. Bf1 Rb8 31. Rd2 Nxd2 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2012.05.02"]
[Round "5"]
[White "Leeftink, Gerbert"]
[Black "Corstjens, Rolf"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1584"]
[BlackElo "1638"]
[PlyCount "80"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e3 0-0 6. Bd3 Nc6 7. 0-0 Bg4 8. Be2 Nd7 9. h3 Bxf3 10. Bxf3 e5 11. d5 Ne7 12. e4 f5 13. Bg5 Nf6 14. Qd2 fxe4 15. Bxe4 Qd7 16. Bf3 Nf5 17. Bxf6 Rxf6 18. Bg4 Qe7 19. Ne4 Rff8 20. Qg5 Qf7 21. Qc1 Bh6 22. Qe1 Nd4 23. Rd1 Kh8 24. Ng3 Bf4 25. Ne2 Nxe2+ 26. Qxe2 h5 27. Be6 Qf6 28. Rd3 Qg7 29. Qe4 Rf6 30. g3 Bh6 31. f4 Raf8 32. f5 Bf4 33. Rff3 gxf5 34. Qe1 e4 35. Rxf4 exd3 36. Rh4 Qg5 37. Kh2 Kg7 38. b3 d2 39. Qd1 f4 40. Rxh5 fxg3+ 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2012.05.01"]
[Round "4"]
[White "Van den Bergh, Dennis"]
[Black "Leeftink, Gerbert"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1434"]
[BlackElo "1584"]
[PlyCount "108"]
[EventDate "2012.04.28"]
[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 a6 6. f3 e6 7. Bc4 Be7 8. Be3 0-0 9. Qd2 Qc7 10. Bb3 Bd7 11. 0-0 Bc6 12. Bxe6 fxe6 13. Nxe6 Qa5 14. Nxf8 Bxf8 15. Rfd1 Kh8 16. Kh1 Nbd7 17. Ne2 Qb5 18. b3 Qh5 19. Ng3 Qf7 20. c4 Ne5 21. Rac1 Be7 22. Nf5 Rd8 23. Nxe7 Qxe7 24. Bf4 Nf7 25. Rc3 Nh5 26. Be3 h6 27. Rd3 Qe6 28. Bb6 Rd7 29. c5 Nf6 30. cxd6 Ne8 31. Bc5 Bb5 32. Rd4 Ne5 33. f4 Nc6 34. e5 Nxd4 35. Qxd4 Bc6 36. Kg1 g6 37. Rf1 Ng7 38. Qd3 Nf5 39. Qh3 Qd5 40. Bb6 h5 41. Rf3 Kg7 42. Rd3 Qe4 43. Qf3 Qe1+ 44. Qf1 Qxf1+ 45. Kxf1 Bb5 46. Ke2 Bxd3+ 47. Kxd3 Kf7 48. Ke4 Ke6 49. Bc5 Rg7 50. g3 Nh6 51. Be3 g5 52. fxg5 Nf7 53. Bf4 Nxg5+ 54. Kd4 Nf3+ 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2012.04.30"]
[Round "3"]
[White "Leeftink, Gerbert"]
[Black "Kevlishvili, Robby"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1584"]
[BlackElo "2023"]
[PlyCount "88"]
[EventDate "2012.04.28"]
[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 a6 6. Bg5 e6 7. f4 Qb6 8. Rb1 Be7 9. Bc4 Nc6 10. Nxc6 Qxc6 11. Bd3 Qc5 12. Qe2 b5 13. Bh4 b4 14. Bf2 Qa5 15. e5 bxc3 16. exf6 cxb2+ 17. Qd2 Qxa2 18. 0-0 Bxf6 19. Qb4 Bd7 20. Qxd6 Qa4 21. Rfe1 Qc6 22. Qa3 Qc7 23. g3 a5 24. Bc5 Rc8 25. Bd6 Qb6+ 26. Kf1 Rc3 27. Qxb2 Qxd6 28. Qb8+ Qxb8 29. Rxb8+ Rc8 30. Rxc8+ Bxc8 31. Bb5+ Bd7 32. Rb1 Ke7 33. Bxd7 Kxd7 34. Rb7+ Kc6 35. Rb3 Ra8 36. Ra3 a4 37. Ke2 Bb2 38. Ra2 a3 39. Kd3 Kc5 40. c3 Rd8+ 41. Kc2 Kc4 42. h3 Rd3 43. g4 Rxc3+ 44. Kd2 Kb3 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2012.04.28"]
[Round "1"]
[White "Van Harten, Maarten"]
[Black "Leeftink, Gerbert"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1954"]
[BlackElo "1584"]
[PlyCount "128"]
[EventDate "2012.04.28"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Bf4 Bf5 6. Nf3 a6 7. Bc4 e6 8. 0-0 Bb4 9. Ne2 0-0 10. c3 Be7 11. Ng3 Bg6 12. Ne5 Be4 13. Nxe4 Nxe4 14. Bd3 Nf6 15. Qc2 h6 16. Rfe1 Nbd7 17. Rad1 Nb6 18. Qe2 Nfd5 19. Bc1 Bg5 20. Qe4 f5 21. Qf3 Bxc1 22. Rxc1 Qg5 23. a3 Nf4 24. Bb1 Rfe8 25. Rcd1 Na4 26. Bc2 Nb6 27. Bb3 Rad8 28. Qg3 Qxg3 29. hxg3 Nfd5 30. Re2 c6 31. Rde1 Nc7 32. Nd3 Nd7 33. Bxe6+ Nxe6 34. Rxe6 Kf7 35. R6e2 Rxe2 36. Rxe2 Re8 37. Ne5+ Nxe5 38. Rxe5 g6 39. f4 Rd8 40. Kf2 Kf6 41. Ke3 b6 42. a4 a5 43. c4 g5 44. d5 Rd6 45. Kd4 c5+ 46. Kd3 g4 47. Re8 Kf7 48. Rb8 Kg7 49. Rb7+ Kg8 50. Rc7 Kf8 51. Rh7 Kg8 52. Ra7 Kf8 53. b4 cxb4 54. Kd4 Ke8 55. c5 b3 56. Kc3 bxc5 57. Kxb3 Rxd5 58. Rxa5 c4+ 59. Kxc4 Rxa5 60. Kb4 Ra8 61. Kb5 Kd7 62. a5 Kc7 63. a6 Ra7 64. Ka5 Kc6 0-1

[Event "NED-ch Net U14"]
[Site "livechess.nl INT"]
[Date "2008.03.21"]
[Round "1.23"]
[White "Leeftink, Gerbert"]
[Black "De Maat, Pepijn"]
[Result "1/2-1/2"]
[ECO "C55"]
[PlyCount "108"]
[EventDate "2008.03.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bc4 Bb4 5. a3 Bc5 6. b4 Bd4 7. Nxd4 exd4 8. Nd5 Nxd5 9. Bxd5 Qf6 10. d3 Ne5 11. f3 d6 12. f4 Ng4 13. Bxb7 Ne3 14. Bxe3 Bxb7 15. Bf2 Qe6 16. Bxd4 0-0 17. f5 Qh6 18. Qg4 f6 19. e5 dxe5 20. Bc5 Rfd8 21. Qc4+ Bd5 22. Qb5 c6 23. Qa5 Qh4+ 24. Bf2 Qf4 25. Qc5 Rd7 26. Qe3 Qxe3+ 27. Bxe3 e4 28. dxe4 Bxe4 29. 0-0 Rd5 30. c4 Rxf5 31. Rxf5 Bxf5 32. Rf1 Bd3 33. Rd1 Bxc4 34. Rc1 Bd5 35. Rc5 Re8 36. Bf2 Re5 37. b5 cxb5 38. Rxb5 Rg5 39. Rb8+ Kf7 40. g3 Be4 41. Rb4 f5 42. h4 Rg6 43. h5 Rd6 44. Be1 Rd1 45. Kf2 Ra1 46. g4 Ra2+ 47. Kf1 Bd3+ 48. Kg1 fxg4 49. Rf4+ Ke6 50. Rxg4 g6 51. hxg6 hxg6 52. Ra4 a6 53. Bh4 Re2 54. Rd4 Rd2 1/2-1/2

[Event "NED-ch Net U14"]
[Site "livechess.nl INT"]
[Date "2008.03.21"]
[Round "3.6"]
[White "Leeftink, Gerbert"]
[Black "Tabachnikoff, Pjotr"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "100"]
[EventDate "2008.03.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bc4 e5 5. d3 d6 6. Bf4 exf4 7. Ng5 Ne5 8. Bb5+ Bd7 9. Bxd7+ Nfxd7 10. h4 Be7 11. Nd5 0-0 12. Qh5 h6 13. Nxe7+ Qxe7 14. Nf3 Nf6 15. Qf5 Ng6 16. e5 dxe5 17. g3 e4 18. Nd2 exd3+ 19. Kf1 Qe2+ 20. Kg2 Qxd2 21. cxd3 fxg3 22. Kxg3 Qxb2 23. h5 Qe5+ 24. Qxe5 Nxe5 25. f4 Nxd3 26. Rad1 c4 27. Rh4 Ne4+ 28. Kf3 Nef2 29. Rd2 g5 30. fxg5 hxg5 31. Rh2 g4+ 32. Kg3 Ne4+ 33. Kxg4 Nxd2 34. Rxd2 Rfd8 35. Rc2 Rac8 36. Kf3 Ne1+ 37. Kg4 Nxc2 38. h6 Kh7 39. Kg5 Rg8+ 40. Kf6 Kxh6 41. Ke5 Ne3 42. Ke4 Rge8+ 43. Kd4 c3 44. Kd3 Ng2 45. Kc2 Red8 46. Kb3 c2 47. a4 c1Q 48. a5 Rd3+ 49. Kb4 Rc4+ 50. Kb5 Rd5# 0-1

[Event "NED-ch Net U14"]
[Site "livechess.nl INT"]
[Date "2008.03.21"]
[Round "2.12"]
[White "Van Ark, Robert"]
[Black "Leeftink, Gerbert"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "50"]
[EventDate "2008.03.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 bxc6 5. Nc3 d5 6. exd5 cxd5 7. d4 Qe7+ 8. Be2 Bg4 9. 0-0 Bxe2 10. Nxe2 Qd6 11. Bf4 Qe6 12. Re1 Ne4 13. f3 Nf6 14. Ng3 Ne4 15. fxe4 Qf6 16. exd5+ Be7 17. Qd2 0-0 18. Bg5 Qxg5 19. Qxg5 Bxg5 20. c4 Rfe8 21. Rxe8+ Rxe8 22. b4 Be3+ 23. Kh1 Bxd4 24. Rd1 a5 25. Rxd4 Re1+ 0-1

