[Event "Naleczow op"]
[Site "Naleczow"]
[Date "1987.??.??"]
[Round "?"]
[White "Ciszek, Mieczyslaw"]
[Black "Pielaet, S."]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "2265"]
[BlackElo "2200"]
[PlyCount "22"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 b6 5. Qd5 Bb7 6. Qxb7 Nc6 7. Qa6 Bb4+ 8. Bd2 Nc5 9. Qb5 Bxd2+ 10. Nbxd2 a6 11. Qxc6 dxc6 0-1

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1984.??.??"]
[Round "?"]
[White "Adema, Ruud"]
[Black "Pielaet, S."]
[Result "0-1"]
[ECO "A87"]
[PlyCount "100"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 g6 3. d4 Bg7 4. g3 Nf6 5. Bg2 c6 6. 0-0 Na6 7. Nc3 0-0 8. Qc2 Kh8 9. b3 d5 10. Bb2 Be6 11. cxd5 Nb4 12. Qd2 Nbxd5 13. e3 Nxc3 14. Qxc3 Ne4 15. Qc2 Bd5 16. Ne1 Bh6 17. Nd3 Ng5 18. f3 Bg7 19. h4 Ne6 20. Rad1 Nc7 21. Nf4 Bg8 22. e4 Ne6 23. Ne2 Qb6 24. Kh1 Rad8 25. d5 cxd5 26. exd5 Nc7 27. Bxg7+ Kxg7 28. Qc3+ Rf6 29. Qe5 Nxd5 30. f4 Qd6 31. Bxd5 Bxd5+ 32. Kh2 Qxe5 33. fxe5 Re6 34. Rd2 Rxe5 35. Rfd1 e6 36. Nf4 Kf6 37. Nd3 Re3 38. Nb4 h6 39. Kh3 f4 40. Nxd5+ exd5 41. Rxd5 Rxg3+ 42. Kh2 Rxd5 43. Rxd5 Ke6 44. Rb5 b6 45. a4 Rg4 46. a5 bxa5 47. Rxa5 Rxh4+ 48. Kg2 Rh5 49. Rxa7 Rb5 50. Ra6+ Kf5 0-1

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1984.??.??"]
[Round "?"]
[White "De Haas, Piet"]
[Black "Pielaet, S."]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "36"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Qxd5 4. Nc3 Qa5 5. Nf3 Bf5 6. Bd2 c6 7. Bc4 e6 8. Ne5 Qd8 9. Bg5 Be7 10. g4 Bg6 11. h4 Ne4 12. Nxg6 Nxc3 13. Bxe7 Qxe7 14. Nxe7 Nxd1 15. Rxd1 Kxe7 16. a4 Nd7 17. a5 Rad8 18. Rh3 Nf6 1/2-1/2

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1984.??.??"]
[Round "?"]
[White "Meijer, Willem"]
[Black "Pielaet, S."]
[Result "1-0"]
[ECO "A44"]
[PlyCount "69"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 e5 4. e4 f5 5. Bd3 Nf6 6. Nc3 Be7 7. exf5 0-0 8. g4 Qe8 9. Qe2 Na6 10. f3 Nb4 11. Be4 Nxe4 12. fxe4 Bh4+ 13. Kd1 Bd8 14. Nf3 Bd7 15. Nb5 Bxb5 16. cxb5 c4 17. Qxc4 Ba5 18. Ne1 Rc8 19. Qe2 Rc5 20. a3 Nxd5 21. exd5 Rxd5+ 22. Kc2 Rxb5 23. Rg1 Qc6+ 24. Kb1 Rc8 25. Nd3 Qc4 26. Bg5 Bc3 27. Ra2 Rc6 28. Rc1 Qd4 29. Nb4 Bxb4 30. Qxb5 Qe4+ 31. Ka1 Qxg4 32. Rxc6 Qxg5 33. Rc8+ Kf7 34. Qe8+ Kf6 35. Qe6# 1-0

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1984.??.??"]
[Round "?"]
[White "Van Oene, Egbert"]
[Black "Pielaet, S."]
[Result "1-0"]
[ECO "B01"]
[PlyCount "77"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Qxd5 4. c4 Qe4+ 5. Be3 Ng4 6. Qf3 Qxf3 7. Nxf3 Nxe3 8. fxe3 Nc6 9. Nc3 g6 10. Nb5 Kd8 11. Ng5 Bg7 12. Nxf7+ Kd7 13. Nxh8 Bxh8 14. Be2 h5 15. Bd3 g5 16. h4 a6 17. Nc3 g4 18. Bg6 Kd8 19. Bxh5 b5 20. 0-0 Bg7 21. Rf7 Bh6 22. Kf2 e5 23. Rh7 exd4 24. Rh8+ Kd7 25. Rxh6 dxc3 26. Rd1+ Ke7 27. Rxc6 c2 28. Rxc7+ Kf6 29. Rc1 Bf5 30. Bxg4 Bxg4 31. Rxc2 Rf8 32. cxb5 axb5 33. Kg3 Rg8 34. Kf4 Be6 35. R7c6 Rg4+ 36. Kf3 Rxh4 37. b3 Ke5 38. Rxe6+ Kxe6 39. Rc5 1-0

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "De Geus, Gerard"]
[Black "Pielaet, S."]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "97"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3 c6 6. h3 Be6 7. Bd3 g6 8. Be3 Bg7 9. Nge2 Nd5 10. Nxd5 Qxd5 11. Qf2 Na6 12. Nf4 Qd7 13. Nxe6 Qxe6 14. Bxa6 bxa6 15. 0-0 0-0 16. c3 Rab8 17. Rfe1 Qd5 18. b3 Rb7 19. Rad1 Bf6 20. c4 Qh5 21. d5 Bc3 22. Rf1 Rd7 23. Rc1 Bf6 24. dxc6 Rc7 25. Bxa7 Rxc6 26. b4 Rd6 27. a4 Rfd8 28. Qf3 Qe5 29. Rfd1 Qb2 30. b5 axb5 31. axb5 Rd3 32. Rb1 Bd4+ 33. Kh1 Rxd1+ 34. Rxd1 e5 35. Qf6 Rd7 36. Bb8 Qe2 37. Rxd4 exd4 38. Be5 Qd1+ 39. Kh2 Kf8 40. c5 Qc2 41. Bd6+ Rxd6 42. cxd6 Kg8 43. d7 Qc7+ 44. Kh1 Qxd7 45. b6 d3 46. b7 Qxb7 47. Qd8+ Kg7 48. Qd4+ f6 49. Qxd3 1/2-1/2

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "Driessen, Wim"]
[Black "Pielaet, S."]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "31"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 c6 5. d4 Bf5 6. Nf3 e6 7. 0-0 Bd6 8. Nxd5 cxd5 9. Bb5+ Nd7 10. Ne5 Bxe5 11. dxe5 Qc7 12. c3 Qxe5 13. Re1 Qd6 14. c4 0-0 15. Be3 Rfd8 16. Qd4 1/2-1/2

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "Pielaet, S."]
[Black "Rietveld, Johan"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "39"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 b6 3. Nf3 Nc6 4. Bc4 h6 5. a3 Nf6 6. 0-0 Bb7 7. b4 d6 8. d4 exd4 9. Nxd4 Ne5 10. Bd5 c6 11. Bb3 Be7 12. Nf5 Kf8 13. Bf4 Ng8 14. Qd2 Bc8 15. Nxe7 Qxe7 16. Rfd1 g5 17. Bg3 Bg4 18. f3 Bxf3 19. Bxe5 Qxe5 20. gxf3 1-0

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "Pielaet, S."]
[Black "Van der Sluijs, Lothar"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "65"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 d6 4. Nc3 g6 5. e3 Bg7 6. Bd3 Nf6 7. Nge2 0-0 8. 0-0 Re8 9. f3 Nb4 10. Bb1 d5 11. a3 Nc6 12. cxd5 Nxd5 13. Nxd5 Qxd5 14. Be4 Qd8 15. Rc1 Ne7 16. Ng3 Nd5 17. Bxd5 Qxd5 18. Rxc7 Be6 19. b4 Rac8 20. Rxc8 Rxc8 21. Bc3 Bd7 22. Qa1 Bh6 23. Ne4 Bg7 24. Re1 Bc6 25. Nf2 g5 26. Ng4 h5 27. e4 Qd6 28. Ne3 Qe6 29. Nf5 f6 30. d4 exd4 31. Nxd4 Qe7 32. Nf5 Qe6 33. Rd1 1-0

[Event "Alkmaar op-B"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "Wouterson, R."]
[Black "Pielaet, S."]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "106"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 c6 5. dxc6 Bxc6 6. Nf3 Qc7 7. Qe2 Nbd7 8. b3 e6 9. Bb2 Bd6 10. Nc3 a6 11. d4 0-0 12. 0-0 Ng4 13. Ng5 Bxh2+ 14. Kh1 Bg1 15. f4 Ndf6 16. Kxg1 Kh8 17. Nge4 h5 18. Nxf6 gxf6 19. d5 Qb6+ 20. Kh1 exd5 21. Bxd5 Rae8 22. Qc4 Nf2+ 23. Rxf2 Qxf2 24. Ne4 Qh4+ 25. Kg1 Rxe4 26. Qxe4 Re8 27. Bxc6 Rxe4 28. Bxe4 Qxf4 29. Bf3 Kg7 30. Re1 Kg6 31. Bc1 Qd4+ 32. Be3 Qc3 33. Re2 b5 34. Kf2 f5 35. Rd2 Qc7 36. g3 h4 37. Bf4 Qc5+ 38. Kg2 hxg3 39. Kxg3 Qe7 40. Rd6+ Kg7 41. Rd2 Qe1+ 42. Rf2 Kf6 43. Kg2 Qb4 44. Be2 Qe4+ 45. Kh2 Qxc2 46. Bg3 Qxa2 47. Bg4 Qxf2+ 48. Bxf2 fxg4 49. b4 Ke5 50. Kg3 f5 51. Be3 Kd5 52. Bf4 Kd4 53. Bc7 Ke4 1/2-1/2

