[Event "NED-ch U09"]
[Site "Roosendaal"]
[Date "2013.06.15"]
[Round "3"]
[White "Pham, Khoi"]
[Black "Piersma, Wisse"]
[Result "0-1"]
[ECO "C21"]
[PlyCount "120"]
[EventDate "2013.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 Nc6 4. cxd4 Nf6 5. Nc3 Bb4 6. Bc4 0-0 7. Nge2 Nxe4 8. 0-0 Nxc3 9. bxc3 Ba5 10. Bd2 d6 11. Bg5 Qxg5 12. Qd3 Bf5 13. Qf3 Qg4 14. Qe3 Rae8 15. Qd2 Qg6 16. Nf4 Qg5 17. Rfe1 Rxe1+ 18. Rxe1 h6 19. h4 Qxh4 20. Qe3 Qg5 21. d5 Ne5 22. Be2 Bb6 23. Qd2 Ba5 24. Bb5 Nf3+ 25. Kh1 Nxd2 26. Ne2 Be4 27. f3 Nxf3 28. Rf1 Nh4 29. Rg1 Bxg2+ 30. Kh2 Qe5+ 31. Ng3 Bxc3 32. Bd3 Bd4 33. Rxg2 Nxg2 34. Kxg2 Qxd5+ 35. Kh3 Qf3 36. Be4 Qe3 37. Kg4 Qg5+ 38. Kf3 Be5 39. Nf5 Qf4+ 40. Ke2 Re8 41. Bd3 Re6 42. Kd1 Rf6 43. Ne7+ Kf8 44. Nd5 Qd4 45. Nxf6 Qxd3+ 46. Kc1 Qc3+ 47. Kd1 Bxf6 48. Ke2 h5 49. Kf2 Qd4+ 50. Kg2 Be5 51. Kh3 c5 52. Kg2 c4 53. Kh3 c3 54. Kg2 c2 55. Kh3 c1Q 56. Kg2 Qdd2+ 57. Kh3 Qcc3+ 58. Kh4 Qdd4+ 59. Kxh5 Qh3+ 60. Kg5 Qf4# 0-1

[Event "NED-ch U09"]
[Site "Roosendaal"]
[Date "2013.06.15"]
[Round "4"]
[White "Piersma, Wisse"]
[Black "Beukema, Constantijn"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "33"]
[EventDate "2013.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qe7 5. Nc3 Nxd4 6. Qxd4 Nf6 7. Bg5 c5 8. Qd3 g6 9. Qf3 Bg7 10. Bc4 0-0 11. 0-0 d6 12. Nd5 Qxe4 13. Bxf6 Qxc4 14. Bxg7 Kxg7 15. Rae1 Be6 16. Qf6+ Kg8 17. Ne7# 1-0

[Event "NED-ch U09"]
[Site "Roosendaal"]
[Date "2013.06.15"]
[Round "5"]
[White "Piersma, Wisse"]
[Black "Kien, Clovis"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "39"]
[EventDate "2013.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Nge7 6. Bc4 d6 7. Nc3 Bd7 8. 0-0 0-0 9. Nxc6 Nxc6 10. Bxc5 dxc5 11. Qh5 Qe7 12. Rad1 Nd4 13. Rd3 Nxc2 14. Bb5 c6 15. Bc4 b5 16. Bb3 c4 17. Rxd7 Qxd7 18. Bxc2 Rae8 19. e5 Qd2 20. Qxh7# 1-0

[Event "NED-ch U09"]
[Site "Roosendaal"]
[Date "2013.06.15"]
[Round "2"]
[White "Piersma, Wisse"]
[Black "Van der Noordaa, Niek"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "33"]
[EventDate "2013.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 f6 2. Nf3 Nc6 3. d4 e6 4. Nc3 d5 5. e5 fxe5 6. dxe5 Nh6 7. Bxh6 gxh6 8. Bb5 a6 9. Bxc6+ bxc6 10. 0-0 d4 11. Nxd4 c5 12. Nc6 Qg5 13. f4 Qg8 14. Qd8+ Kf7 15. f5 Bb7 16. fxe6+ Kxe6 17. Qd5# 1-0

[Event "NED-ch U09"]
[Site "Roosendaal"]
[Date "2013.06.15"]
[Round "1"]
[White "Sterkendries, Lobke"]
[Black "Piersma, Wisse"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "72"]
[EventDate "2013.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. 0-0 0-0 8. f3 d6 9. Bg5 h6 10. Bxf6 Qxf6 11. f4 Be6 12. fxe5 dxe5 13. Bxe6 Qxe6 14. Na4 Qc6 15. b3 Qxe4 16. Re1 Qxc2 17. Qg4 Qd2 18. Rad1 Qxa2 19. Ra1 Qxb3 20. Reb1 Qe3+ 21. Kf1 Qd3+ 22. Ke1 Nc2+ 23. Kf2 Nxa1 24. Rxa1 Rad8 25. Nb2 Qd2+ 26. Kf3 Qxb2 27. Rh1 Rd3+ 28. Ke4 Rd4+ 29. Kf3 Rxg4 30. Kxg4 Rd8 31. Kf5 Qxg2 32. Ra1 Qg6+ 33. Kxe5 Qf6+ 34. Ke4 Qxa1 35. h4 Qd4+ 36. Kf5 Rd5# 0-1

[Event "NED-ch U09"]
[Site "Roosendaal"]
[Date "2013.06.15"]
[Round "7"]
[White "Van Cleef, Matteo"]
[Black "Piersma, Wisse"]
[Result "1-0"]
[ECO "C21"]
[PlyCount "64"]
[EventDate "2013.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 Nf6 4. cxd4 Nxe4 5. Nf3 Bb4+ 6. Bd2 Qe7 7. a3 Nc3+ 8. Be2 Nxd1 9. Kxd1 Bxd2 10. Nbxd2 0-0 11. Rc1 Nc6 12. d5 Ne5 13. Rxc7 Nxf3 14. Bxf3 d6 15. Rxe7 Bf5 16. Nc4 Rac8 17. Nxd6 Rcd8 18. Nxf5 g6 19. Ng3 Rc8 20. Rxb7 Rc5 21. Rxa7 Rb5 22. b4 Rb6 23. Kc1 Rc8+ 24. Kb2 Re8 25. Rd1 Rd8 26. Ne4 f5 27. Nc3 g5 28. Na4 Rbd6 29. g3 g4 30. Bg2 Rh6 31. Nc5 Rxh2 32. Bh1 Rxf2+ 1-0

[Event "NED-ch U09"]
[Site "Roosendaal"]
[Date "2013.06.15"]
[Round "6"]
[White "Van Steenoven, Luuk"]
[Black "Piersma, Wisse"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "61"]
[EventDate "2013.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. Nc3 Nf6 5. 0-0 0-0 6. d3 h6 7. Be3 d6 8. h3 Be6 9. Re1 Bxc4 10. dxc4 Bb4 11. Qd2 Nxe4 12. Qd3 Bxc3 13. bxc3 Nf6 14. c5 e4 15. Qe2 exf3 16. Qxf3 Ne5 17. Qg3 Ng6 18. Rad1 Ne4 19. Qf3 Nxc3 20. Rd3 Nxa2 21. cxd6 Nb4 22. dxc7 Qxc7 23. Rb3 Nxc2 24. Rc1 Qc4 25. Rb2 Ne5 26. Qg3 Ng6 27. Rbxc2 Qe6 28. Rc7 Rac8 29. Bxa7 Rxc7 30. Rxc7 Ra8 31. Rxb7 1/2-1/2

