[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.11"]
[Round "9"]
[White "Verstraate, Arvid"]
[Black "Van Zon, Stef"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1457"]
[BlackElo "1697"]
[PlyCount "80"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Qa5 11. g4 Rfc8 12. Bb3 Ne5 13. Bh6 Bh8 14. h4 Nc4 15. Bxc4 Rxc4 16. Kb1 Nxe4 17. Nxe4 Qxd2 18. Rxd2 Rxd4 19. Rhd1 Rxd2 20. Rxd2 Bc6 21. Re2 Bxe4 22. Rxe4 e6 23. Rc4 Bf6 24. h5 Bd8 25. b3 d5 26. Rc3 Ba5 27. Rc5 Bb6 28. Rc3 Re8 29. f4 f5 30. gxf5 exf5 31. Rd3 d4 32. Rg3 Re1+ 33. Kb2 Kf7 34. hxg6+ hxg6 35. Bg5 Ba5 36. Rg2 Bc3+ 37. Ka3 Re6 38. b4 Rb6 39. Bd8 Rxb4 40. Ba5 Rc4 0-1

[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "7"]
[White "Van Zon, Stef"]
[Black "Bakker, Guido"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "1697"]
[BlackElo "1862"]
[PlyCount "28"]
[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. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Bb4 6. dxe4 Qh4+ 7. Ke2 Bxc3 8. bxc3 Bg4+ 9. Nf3 dxe4 10. Qd4 Bh5 11. Ke3 Bxf3 12. gxf3 Qe1+ 13. Kf4 Qh4+ 14. Ke3 Qe1+ 1/2-1/2

[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "8"]
[White "Van Zon, Stef"]
[Black "Bollen, Guus"]
[Result "1/2-1/2"]
[ECO "B49"]
[WhiteElo "1697"]
[BlackElo "1870"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. Be2 Bb4 9. f3 0-0 10. a3 Be7 11. 0-0 b5 12. f4 d5 13. exd5 exd5 14. Bf3 Rd8 15. Rad1 Bb7 16. Nxc6 Bxc6 17. Qf2 Rab8 18. Bc5 Ne4 19. Bxe4 dxe4 20. Rxd8+ Qxd8 21. Rd1 Qe8 22. Nd5 Bd8 23. Qd4 1/2-1/2

[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.09"]
[Round "6"]
[White "Mannetje, Simone"]
[Black "Van Zon, Stef"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "1334"]
[BlackElo "1697"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Qa5 11. g4 Rfc8 12. Bb3 Ne5 13. h4 Nc4 14. Bxc4 Rxc4 15. h5 Rac8 16. Nde2 Bxg4 17. hxg6 hxg6 18. Bh6 Bh8 19. Rdg1 Bxf3 20. Bf8 Bxh1 21. Rxh1 Rxf8 22. Qh6 Bg7 23. Qh2 0-1

[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.08"]
[Round "4"]
[White "Beukema, Stefan"]
[Black "Van Zon, Stef"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1946"]
[BlackElo "1697"]
[PlyCount "32"]
[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 g6 6. f4 Nc6 7. Be3 a6 8. h3 e6 9. Qf3 e5 10. Nxc6 bxc6 11. 0-0-0 exf4 12. Bxf4 Be6 13. Be2 d5 14. Be5 Be7 15. exd5 cxd5 16. Rhf1 Qb6 1-0

[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.08"]
[Round "5"]
[White "Van Zon, Stef"]
[Black "De Wilde, Rik"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1697"]
[BlackElo "1845"]
[PlyCount "52"]
[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. exd5 exd5 4. c4 Nf6 5. Bd3 dxc4 6. Bxc4 Be7 7. Bf4 0-0 8. Ne2 Nbd7 9. Nbc3 Nb6 10. Bd3 Be6 11. 0-0 c6 12. Bc2 Bd6 13. Bxd6 Qxd6 14. Ne4 Nxe4 15. Bxe4 Nd5 16. Qd2 Rad8 17. Rfd1 Rfe8 18. Qc2 Nf6 19. Bf3 Bd5 20. Bxd5 Nxd5 21. Rd2 Re6 22. Qc5 Qd7 23. Qxa7 Qe7 24. Kf1 Re8 25. Re1 Nf4 26. Qc5 Qh4 0-1

[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.07"]
[Round "3"]
[White "Van Zon, Stef"]
[Black "Hortensius, Nick"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1697"]
[BlackElo "2020"]
[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 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Bb4 6. Bd3 0-0 7. Nge2 b6 8. 0-0 Bb7 9. a3 Bd6 10. Bf4 Bxf4 11. Nxf4 dxc4 12. Bxc4 Qd6 13. Qd2 Nc6 14. Rfd1 Rad8 15. Nb5 Qd7 16. Ne2 Na5 17. Qd3 Qc6 18. Bxf7+ Rxf7 19. f3 Ba6 20. a4 Qe8 21. Qc3 Qxe2 0-1

[Event "Twente Young Master op-A"]
[Site "Twente"]
[Date "2007.08.06"]
[Round "2"]
[White "Van Herwaarden, Arjen"]
[Black "Van Zon, Stef"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2002"]
[BlackElo "1697"]
[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 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Nf6 5. d3 e5 6. f4 Be7 7. Nf3 Qb6 8. Nd5 Nxd5 9. exd5 Nd4 10. fxe5 Nxf3+ 11. Qxf3 dxe5 12. 0-0 0-0 13. c4 f5 14. Rb1 Qg6 15. Qe3 Bd6 16. Qg5 Qxg5 17. Bxg5 h6 18. Bd2 g5 19. Bc3 Bd7 20. b4 b6 21. Rfe1 Rae8 22. bxc5 Bxc5+ 23. Kh1 Bd6 24. Bb4 Bxb4 25. Rxb4 f4 26. gxf4 exf4 27. Rxe8 Rxe8 28. Be4 g4 29. Kg2 Rf8 30. a4 h5 31. a5 h4 32. axb6 axb6 33. Rxb6 Ra8 34. Rb2 Ra5 35. d4 h3+ 36. Kf2 Ra3 37. c5 g3+ 38. Kg1 Re3 39. hxg3 fxg3 40. Rb1 Rxe4 41. c6 Bc8 42. Rd1 Re2 43. d6 h2+ 44. Kf1 Rf2+ 45. Ke1 h1Q# 0-1

