[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "Ambachtsheer, D."]
[Black "Pietersen, T."]
[Result "1-0"]
[ECO "C44"]
[PlyCount "113"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d4 exd4 5. Ng5 Ne5 6. Bd5 Nf6 7. Bb3 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Re1 Bg4 11. f3 d3+ 12. Kf1 d2 13. Bxd2 Qf6 14. Bxd5 Bc8 15. Be3 Bxe3 16. Rxe3 Ng4 17. Qe2 Nxe3+ 18. Qxe3 Qxb2 19. Bc4 Qxa1 20. Bd3 Qxb1+ 21. Kf2 g6 22. Ne4 Qxa2 23. Qd4 f5 24. Bc4+ Qxc4 25. Qxc4+ Kg7 26. Qxc7+ Rf7 27. Qe5+ Kh6 28. Qf4+ Kg7 29. Nd6 Rf6 30. Ne8+ Kf7 31. Qe5 Re6 32. Nd6+ Ke7 33. Nxc8+ Rxc8 34. Qb2 f4 35. Qxb7+ Kd8 36. Qd5+ Ke7 37. c4 Rd8 38. Qc5+ Rdd6 39. Qc7+ Rd7 40. Qxf4 a5 41. c5 Rc6 42. Qe5+ Re6 43. Qg7+ Ke8 44. Qg8+ Ke7 45. Qc8 Rd8 46. Qc7+ Rd7 47. Qxa5 Re5 48. Qb4 Ke6 49. c6 Rc7 50. Qb6 Kd6 51. f4 Rc5 52. g4 R5xc6 53. Qd4+ Ke7 54. f5 gxf5 55. gxf5 Rf6 56. Qe5+ Kf7 57. Qxc7+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "7"]
[White "Kool, Danielle"]
[Black "Pietersen, T."]
[Result "0-1"]
[ECO "C48"]
[PlyCount "76"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. 0-0 Nf6 6. Nc3 Ba6 7. d3 Be7 8. h3 0-0 9. Nh4 Nxe4 10. Nxe4 Bxh4 11. Qg4 Bc8 12. Qf3 d5 13. Nc5 Qd6 14. Be3 Qg6 15. b4 Re8 16. Rab1 e4 17. Qf4 Bxh3 18. g3 Bxf1 19. Qxh4 Be2 20. f4 exf3 21. Re1 Rxe3 22. Na6 Rc8 23. Nxc7 h6 24. Qf4 h5 25. Kh1 f2 26. Qxf2 Bf3+ 27. Kg1 Rxe1+ 28. Qxe1 Rxc7 29. Qe8+ Kh7 30. Qe5 Rb7 31. Qf4 Be2 32. Qe3 Bd1 33. Kf1 Qf6+ 34. Ke1 Re7 35. Kxd1 Rxe3 36. Kc1 Re2 37. d4 Qxd4 38. Kb1 Re1# 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Pietersen, T."]
[Black "Van Splunter, Niels"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "28"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. 0-0 Nf6 6. Nc3 d6 7. a3 Bg4 8. b4 Bb6 9. h3 Bh5 10. g4 Nxg4 11. hxg4 Bxg4 12. Kh1 Nd4 13. Qe1 Bxf3+ 14. Kg1 Qh4 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "3"]
[White "Veenstra, T."]
[Black "Pietersen, T."]
[Result "1-0"]
[ECO "C42"]
[PlyCount "33"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nxe4 4. Nxe5 Qe7 5. Qe2 Qxe5 6. d3 Qa5+ 7. Bd2 Qe5 8. dxe4 Qxb2 9. Qf3 Qf6 10. Bc3 Qxf3 11. gxf3 Bc5 12. h4 0-0 13. Rg1 g6 14. h5 d6 15. hxg6 hxg6 16. Rh1 Bb4 17. Rh8# 1-0

