[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "?"]
[White "Aurich, R."]
[Black "Rietra, Peter"]
[Result "1/2-1/2"]
[ECO "E14"]
[PlyCount "51"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 e6 3. Nf3 Bb7 4. e3 Nf6 5. Be2 Be7 6. 0-0 0-0 7. d4 d5 8. Qc2 Nbd7 9. cxd5 exd5 10. Bd2 c5 11. dxc5 Nxc5 12. Nd4 Nfe4 13. Bg4 Bf6 14. Nce2 Ba6 15. Bc3 Bxd4 16. Bxd4 f5 17. Bf3 Rc8 18. Qd1 Ng5 19. Kh1 Nxf3 20. gxf3 Qh4 21. Rg1 Rf7 22. Nf4 Bb7 23. Rg3 Qe7 24. Qg1 Rc7 25. Rc1 Rd7 26. b4 1/2-1/2

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "?"]
[White "Mesman, I."]
[Black "Rietra, Peter"]
[Result "1/2-1/2"]
[ECO "A40"]
[PlyCount "86"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 b6 2. c4 e6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 f5 6. d5 fxe4 7. Bxe4 Qh4 8. Qe2 Nf6 9. Bf3 0-0 10. dxe6 Bxf3 11. Nxf3 Qg4 12. exd7 Nbxd7 13. 0-0 Rae8 14. Qd3 Nc5 15. Qd4 Nfe4 16. Nxe4 Nxe4 17. Qd5+ Kh8 18. h3 Qg6 19. Ne5 Qf5 20. Nc6 Qxd5 21. cxd5 Bc5 22. Be3 Bxe3 23. fxe3 Nf6 24. Nxa7 Nxd5 25. Rxf8+ Rxf8 26. Re1 Re8 27. e4 Kg8 28. e5 Re6 29. Nb5 c5 30. Kf2 Nb4 31. Re3 Nc6 32. Nc7 Rxe5 33. Rxe5 Nxe5 34. Ke2 Kf7 35. b3 h5 36. Ke3 Kf6 37. Nd5+ Kf5 38. Nxb6 g5 39. Nc4 Nc6 40. Nd6+ Ke5 41. Ne4 Nb4 42. a4 Nd5+ 43. Kd3 Nb4+ 1/2-1/2

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Gerritzen, WJP"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "98"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. e3 f5 4. Ne2 Be6 5. d4 Nd7 6. c4 Ngf6 7. Nd2 Qe7 8. Nf3 Bf7 9. Qc2 g6 10. 0-0-0 Bg7 11. g3 Ne4 12. Nc3 Nxc3 13. Bxc3 d5 14. dxe5 dxc4 15. Bxc4 Bxc4 16. bxc4 0-0 17. Qb2 b6 18. Rd5 c6 19. Rd6 Rac8 20. Rhd1 Rc7 21. e6 Nc5 22. Bxg7 Qxg7 23. Qxg7+ Kxg7 24. Ne5 Re8 25. Rxc6 Rce7 26. Rd7 Nxd7 27. exd7 Rd8 28. Rc8 Rexd7 29. Rxd8 Rxd8 30. f4 Rc8 31. a4 Kf6 32. Kc2 Ke6 33. Kc3 Rc5 34. Nd3 Rc7 35. Kb4 Rd7 36. Kc3 a6 37. h3 Rc7 38. g4 fxg4 39. hxg4 h5 40. f5+ Kf6 41. fxg6 hxg4 42. Nf2 Kf5 43. Nh1 Ke4 44. Nf2+ Kf3 45. Nxg4 Kxg4 46. Kd4 Kf5 47. g7 Rd7+ 48. Kc3 Rxg7 49. Kb4 Rc7 0-1

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Hooven, E."]
[Result "0-1"]
[ECO "D00"]
[PlyCount "52"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nc3 e6 4. f3 c5 5. e4 cxd4 6. Qxd4 Nc6 7. Bb5 Be7 8. Bxc6+ bxc6 9. e5 Nd7 10. Bxe7 Qxe7 11. Nge2 0-0 12. 0-0 c5 13. Qf4 Rb8 14. Rab1 Rb4 15. Qg3 Ba6 16. Rfe1 Rfb8 17. b3 Bxe2 18. Rxe2 a5 19. a4 c4 20. Nb5 Nc5 21. Nd4 Nxa4 22. Ra1 Nc3 23. Re3 Qc5 24. Qf4 cxb3 25. Rxa5 Qxa5 26. Nxb3 Qa7 0-1

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Hopman, Rob"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "55"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g4 Ne4 5. Bg2 Nxc3 6. bxc3 c6 7. cxd5 cxd5 8. Qb3 e6 9. e4 dxe4 10. Bxe4 Nc6 11. Nf3 h5 12. g5 Bd6 13. Be3 Qc7 14. Rd1 Bd7 15. 0-0 Rc8 16. Qb1 Ne7 17. c4 b6 18. Rc1 0-0 19. Rfd1 Bf4 20. c5 Bxe3 21. fxe3 b5 22. Ne5 Be8 23. Qb3 Kg7 24. Rf1 Qd8 25. Rf6 Nd5 26. Bxd5 Qxd5 27. Qxd5 exd5 28. Rcf1 1-0

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Verstegen, G."]
[Result "1-0"]
[ECO "D06"]
[PlyCount "91"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Qxd5 4. Nc3 Qa5 5. Bd2 e6 6. e4 Bb4 7. Nge2 c6 8. a3 Bxc3 9. Nxc3 Qc7 10. Rc1 a6 11. e5 Nd5 12. Ne4 0-0 13. Qh5 f6 14. Nd6 fxe5 15. dxe5 Ne7 16. Bd3 Nf5 17. Bxf5 exf5 18. 0-0 Be6 19. Bb4 Nd7 20. Qe2 c5 21. Bxc5 Nxc5 22. b4 b6 23. bxc5 bxc5 24. Qe3 c4 25. Rc3 Rfd8 26. Qf4 Qd7 27. h4 Qa4 28. Nxf5 Bxf5 29. Qxf5 Rd1 30. Qc2 Rxf1+ 31. Kxf1 Qb5 32. Qe4 Rd8 33. Qxc4+ Rd5 34. Qxb5 axb5 35. f4 Rd4 36. g3 Kf7 37. Ke2 Ke6 38. Ke3 Kd5 39. Rd3 Rxd3+ 40. Kxd3 h5 41. Ke3 g6 42. Kd3 Kc5 43. Ke4 Kc6 44. Kd4 Kb6 45. e6 Kc6 46. Ke5 1-0

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "?"]
[White "Spruyt, A."]
[Black "Rietra, Peter"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "57"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 c6 6. Qd2 0-0 7. Bh6 e5 8. Nge2 b5 9. h4 Qb6 10. 0-0-0 Re8 11. Bxg7 Kxg7 12. h5 b4 13. Na4 Qa5 14. b3 Nbd7 15. hxg6 fxg6 16. Qh6+ Kf7 17. g4 Nf8 18. Ng3 exd4 19. Bc4+ Be6 20. Nf5 gxf5 21. gxf5 Bxc4 22. Rdg1 Ne6 23. fxe6+ Kxe6 24. Rg7 d5 25. e5 Qd8 26. Re1 Kf5 27. Qg5+ Ke6 28. exf6+ Kd6 29. Qf4+ 1-0

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "?"]
[White "Dijkstra, Bart"]
[Black "Rietra, Peter"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "15"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nge2 d5 5. e5 c5 6. Be3 Nc6 7. f4 Nh6 8. Qd2 1/2-1/2

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "?"]
[White "Kuhlmann, Hans Peter"]
[Black "Rietra, Peter"]
[Result "1/2-1/2"]
[ECO "A84"]
[PlyCount "135"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 e6 3. Nf3 Bb7 4. g3 f5 5. Bg2 Nf6 6. 0-0 Be7 7. d4 d5 8. b3 0-0 9. Bb2 Ne4 10. e3 Nd7 11. Rc1 c6 12. Nd2 Ndf6 13. f3 Nd6 14. e4 dxe4 15. fxe4 Ng4 16. Qe2 c5 17. d5 Bf6 18. h3 Bd4+ 19. Kh1 Ne3 20. Rfe1 Qg5 21. Nf3 Qxg3 22. Nxd4 cxd4 23. Nb5 Nxb5 24. cxb5 f4 25. Qf3 Qxg2+ 26. Qxg2 Nxg2 27. Kxg2 e5 28. Rc7 Rac8 29. Rxb7 Rc2+ 30. Kf3 Rxb2 31. Re7 Rh2 32. Rxe5 Rxh3+ 33. Kg2 Re3 34. Rf1 f3+ 35. Kf2 Re2+ 36. Kg3 d3 37. d6 f2 38. d7 Kf7 39. Rxf2+ Rxf2 40. Kxf2 Rd8 41. Rd5 Ke6 42. Rxd3 Rxd7 43. Rg3 g6 44. Ke3 Rg7 45. Rh3 Ke5 46. Rh1 Rf7 47. Rg1 Rg7 48. Rh1 h5 49. Rh2 Rf7 50. Rg2 Rg7 51. Rh2 Rg8 52. Rh1 Rd8 53. Rg1 Rd6 54. Rg5+ Kf6 55. Rg1 Re6 56. Rf1+ Kg5 57. Rg1+ Kh6 58. Kf4 h4 59. e5 Re8 60. Re1 Kh5 61. e6 g5+ 62. Kf5 h3 63. e7 Kh4 64. Re4+ Kg3 65. Kxg5 h2 66. Re3+ Kf2 67. Rh3 Rxe7 68. Rxh2+ 1/2-1/2

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "De Korver, Peter"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "56"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. d5 Nd7 6. Be3 Ne7 7. Bd3 0-0 8. Nge2 f5 9. f3 f4 10. Bf2 g5 11. g4 fxg3 12. Nxg3 Ng6 13. Nf5 Nc5 14. Bxc5 dxc5 15. Ne2 Bxf5 16. exf5 Nf4 17. Be4 g4 18. fxg4 Qh4+ 19. Ng3 b5 20. Qf3 bxc4 21. 0-0-0 Rab8 22. Rd2 Nd3+ 23. Kb1 Qh6 24. Rc2 Rxb2+ 25. Rxb2 Nxb2 26. Kxb2 Qd2+ 27. Ka1 Rb8 28. Rb1 Qd4+ 0-1

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Hendriks, Richard V"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "64"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. e5 Qd8 6. Nd2 c5 7. Ngf3 cxd4 8. Nxd4 d6 9. Bb5+ Bd7 10. Nc4 dxe5 11. Bxd7+ Nxd7 12. Nb5 a6 13. Nbd6+ Bxd6 14. Nxd6+ Ke7 15. Qd2 Qc7 16. 0-0-0 Rhd8 17. f4 Kf8 18. Rhe1 e4 19. Rxe4 Nf6 20. Rd4 Nd5 21. Ne4 Rdc8 22. c3 Ne7 23. Kb1 b5 24. g4 Ke8 25. Nd6+ Kf8 26. Nxc8 Nd5 27. f5 Rxc8 28. fxe6 fxe6 29. Rf1+ Kg8 30. g5 hxg5 31. Qxg5 Rd8 32. Qg6 Qe5 1-0

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Mendes de Leon, P."]
[Result "1-0"]
[ECO "D13"]
[PlyCount "43"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 a6 7. e3 Bf5 8. Rc1 e6 9. Bd3 Bxd3 10. Qxd3 Bd6 11. Bxd6 Qxd6 12. 0-0 0-0 13. Na4 Rab8 14. a3 Rfe8 15. Rc2 Re7 16. Rfc1 Rc7 17. Nc5 Rbc8 18. Nxb7 Rxb7 19. Qxa6 Rbc7 20. Ne5 Nd7 21. Rxc6 Nb8 22. Qxc8+ 1-0

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "?"]
[White "Van Zijpe, K."]
[Black "Rietra, Peter"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "91"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 f5 12. Bxb5 axb5 13. Nxb5 Ra7 14. Nxa7 Nxa7 15. c3 Bg7 16. Qa4+ Qd7 17. Qxd7+ Bxd7 18. exf5 Bxf5 19. 0-0 Be6 20. Nc7+ Ke7 21. Nxe6 fxe6 22. a4 e4 23. Rfc1 Rb8 24. b4 Nc6 25. Rab1 Kd7 26. Rc2 Kc7 27. Kf1 d5 28. f3 Rf8 29. Ke2 exf3+ 30. gxf3 Ne5 31. a5 Rxf3 32. b5 Rf7 33. b6+ Kb7 34. a6+ Kb8 35. Ra2 Rf8 36. Rba1 Nc6 37. a7+ Nxa7 38. Rxa7 Bxc3 39. R1a3 Bb4 40. Rb3 Bc5 41. Rxh7 e5 42. Rb5 Rf2+ 43. Ke1 Bd4 44. b7 Rf8 45. Rxd5 Ka7 46. Ra5+ 1-0

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "?"]
[White "Voskamp"]
[Black "Rietra, Peter"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "113"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 b6 2. Bc4 e6 3. Nc3 Bb7 4. d4 Nf6 5. f3 d5 6. Bb5+ c6 7. Bd3 dxe4 8. Bxe4 Nxe4 9. Nxe4 c5 10. Bg5 Qxd4 11. Ne2 Qxd1+ 12. Rxd1 f6 13. Bh4 Na6 14. 0-0 Bxe4 15. fxe4 Be7 16. Nf4 g5 17. Bxg5 fxg5 18. Nxe6 Rg8 19. Rd5 Rg6 20. Re5 Rc8 21. h4 h6 22. hxg5 hxg5 23. Rff5 Kd7 24. Nxg5 Bxg5 25. Rxg5 Rxg5 26. Rxg5 Ke6 27. c3 Rf8 28. Rg7 Kd6 29. Rxa7 Nc7 30. a4 Re8 31. a5 b5 32. Rb7 Rxe4 33. b3 Re3 34. Rb6+ Kd7 35. a6 Rxc3 36. a7 Rxb3 37. Ra6 c4 38. Kf2 Na8 39. g4 c3 40. Ke3 c2+ 41. Kd2 Rc3 42. Ra1 Rc7 43. g5 Ke6 44. Kc1 Kf5 45. Ra5 Rc5 46. Ra2 b4 47. Rxc2 Ra5 48. Rc4 Ra4 49. Kb2 Kxg5 50. Kb3 Rxa7 51. Kxb4 Kf5 52. Rc5+ Ke4 53. Rc4+ Kd3 54. Rc3+ Kd2 55. Rh3 Rc7 56. Rh2+ Ke3 57. Rh3+ 1/2-1/2

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Jurcka"]
[Black "Rietra, Peter"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "109"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. a3 Qa5 8. Bd2 Qc7 9. Bg5 Be7 10. Bd3 0-0 11. 0-0 Bb7 12. Qe2 d5 13. exd5 cxd5 14. f3 Ne8 15. Bxe7 Qxe7 16. Rfe1 f6 17. Rad1 a6 18. Qd2 Nc7 19. b4 Kh8 20. Na4 Rae8 21. Nc5 Bc8 22. Qe2 a5 23. c3 f5 24. Bc2 e4 25. f4 Rf6 26. Bb3 Rd8 27. Qe3 axb4 28. axb4 Rfd6 29. Rd2 Ne6 30. Red1 g5 31. Nxe6 Qxe6 32. fxg5 Qe5 33. g3 Be6 34. Qd4 Qxd4+ 35. Rxd4 R6d7 36. c4 dxc4 37. Rxd7 Rxd7 38. Rxd7 Bxd7 39. Bxc4 Bc6 40. Kf2 Kg7 41. Ke3 Kg6 42. h4 h6 43. gxh6 Kxh6 44. Kf4 Bb7 45. Kxf5 Kh5 46. Be2+ Kh6 47. g4 Kg7 48. g5 Kf7 49. h5 Kg7 50. b5 Kh7 51. Kf6 Kh8 52. g6 e3 53. h6 Bd5 54. b6 Bc4 55. Bxc4 1-0

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Nooyen, Jos"]
[Black "Rietra, Peter"]
[Result "1-0"]
[ECO "A32"]
[PlyCount "79"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 a6 5. Nc3 cxd4 6. Nxd4 Bb4 7. Nc2 Bxc3+ 8. bxc3 Ne4 9. Qd4 Nf6 10. Ba3 Nc6 11. Qd2 Ne4 12. Qd3 f5 13. f3 Nf6 14. Bd6 Kf7 15. Bg2 b5 16. c5 Na5 17. 0-0 Bb7 18. e4 g6 19. Ne3 h5 20. g4 Qg8 21. g5 Ne8 22. Be5 Rd8 23. Bxh8 Qxh8 24. Rae1 f4 25. Nc2 Qe5 26. h4 Qxc5+ 27. Qd4 Qc7 28. e5 Kg7 29. Nb4 Qc4 30. Rd1 Qxd4+ 31. Rxd4 Nc4 32. Re1 a5 33. Nd3 Nc7 34. Nc5 Bc6 35. Rxf4 Nd5 36. Rd4 Kf7 37. f4 Rc8 38. Bxd5 exd5 39. e6+ dxe6 40. Rxe6 1-0

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Dorland, T."]
[Result "0-1"]
[ECO "E30"]
[PlyCount "72"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5 7. dxe6 fxe6 8. cxb5 d5 9. e3 0-0 10. Bd3 Bb7 11. Nge2 Nbd7 12. a3 Ba5 13. Nf4 Qb6 14. Ng6 Rfe8 15. 0-0 e5 16. Na4 Qe6 17. f4 exf4 18. exf4 Ng4 19. f5 Qe3+ 20. Bf2 Nxf2 21. Rxf2 Be1 22. Qxe1 Qxe1+ 23. Rxe1 Rxe1+ 24. Rf1 Rae8 25. Rxe1 Rxe1+ 26. Kf2 Re8 27. b3 Kf7 28. g4 Rc8 29. Nb2 Kf6 30. Kf3 Ne5+ 31. Kf4 Nxg6+ 32. fxg6 Rf8 33. h4 Ke6+ 34. Bf5+ Kd6 35. g5 h5 36. Nd1 d4 0-1

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Kuiper, Jacques"]
[Result "0-1"]
[ECO "A86"]
[PlyCount "83"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 f5 3. Nc3 Nf6 4. g3 Bg7 5. Bg2 0-0 6. Nh3 d6 7. 0-0 c5 8. d5 Na6 9. Ng5 Nc7 10. f4 Rb8 11. Qd3 Bd7 12. a4 Na6 13. Ne6 Bxe6 14. dxe6 Nb4 15. Qd1 Qc8 16. Bd5 Nc6 17. e4 Nxe4 18. Nxe4 fxe4 19. Qe2 Nd4 20. Qxe4 Nb3 21. Ra2 Nxc1 22. Rxc1 a6 23. g4 b5 24. axb5 axb5 25. b3 bxc4 26. bxc4 Qc7 27. h4 Qb6 28. Rd2 Qb3 29. Rd3 Qb2 30. Rf1 Qa2 31. Bb7 Qb2 32. Bc6 Bd4+ 33. Kh1 Qa2 34. Bb5 Qb2 35. h5 Kg7 36. Rh3 Ra8 37. g5 Ra1 38. h6+ Kg8 39. Qg2 Rxf4 40. Rhf3 Rh4+ 41. Rh3 Rg4 42. Qf3 0-1

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Semmelbrodt, L."]
[Result "1/2-1/2"]
[ECO "D22"]
[PlyCount "95"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5 5. a4 Bb7 6. b3 b4 7. Bxc4 e6 8. 0-0 a5 9. Qe2 Nf6 10. Rd1 Bd6 11. Bb2 0-0 12. Ne5 Qe7 13. Nd3 Nbd7 14. f3 c5 15. Nd2 Rac8 16. Rac1 Rc7 17. e4 cxd4 18. Bxd4 e5 19. Bb2 Rd8 20. Bb5 Nc5 21. Nxc5 Bxc5+ 22. Kh1 Bd4 23. Nc4 Nh5 24. Bxd4 exd4 25. Nxa5 Rc3 26. Nxb7 Qxb7 27. Rxc3 bxc3 28. Qc4 Qb6 29. g3 Qf6 30. Kg2 g6 31. b4 Ng7 32. a5 Qd6 33. f4 c2 34. Qxc2 Qxb4 35. Qa4 Qb2+ 36. Kh3 Ne6 37. Bc4 Nc5 38. Qa1 Qxa1 39. Rxa1 d3 40. a6 d2 41. a7 Ra8 42. Rd1 Rxa7 43. Rxd2 Nxe4 44. Rd4 Nf6 45. Rd6 Kg7 46. Rb6 h5 47. Rb2 Ng4 48. Be2 1/2-1/2

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Rietra, Peter"]
[Black "Van Arkel, Rogier"]
[Result "1-0"]
[ECO "A82"]
[PlyCount "63"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4 h6 5. h4 d5 6. Bh3 Nc6 7. Bf4 e6 8. Nge2 Bd6 9. g5 hxg5 10. Bxg5 e5 11. Bxc8 Rxc8 12. dxe5 Nxe5 13. Bxf6 Nf3+ 14. Kf1 Qxf6 15. Qxd5 Nh2+ 16. Rxh2 Bxh2 17. Nxe4 Qc6 18. Qf5 Rd8 19. N2c3 Rf8 20. Qh3 Be5 21. Re1 Kf7 22. Ng5+ Kf6 23. Nh7+ Kf7 24. Rxe5 Qc4+ 25. Kg1 Rfe8 26. Ng5+ Kg8 27. Ne6 Rd6 28. Re4 Qc6 29. Ng5 Rf8 30. Qg4 Qb6 31. Re2 Rdf6 32. Nd5 1-0

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Smaling, Eric"]
[Black "Rietra, Peter"]
[Result "1-0"]
[ECO "E24"]
[PlyCount "29"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Bf4 Qa5 7. Qd3 cxd4 8. Bxb8 Rxb8 9. Qxd4 0-0 10. h4 d5 11. e3 Rd8 12. Rd1 b6 13. h5 Ba6 14. h6 dxc4 15. Qxd8+ 1-0

[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Van Son, J."]
[Black "Rietra, Peter"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "130"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e3 d6 6. d4 Nbd7 7. Nf3 a6 8. 0-0 Rb8 9. h3 h6 10. Bd2 Re8 11. Qc1 Kh7 12. Kh2 Ng8 13. Ng1 e5 14. Nge2 f5 15. f4 c5 16. d5 b5 17. b3 exf4 18. Nxf4 Ne5 19. cxb5 axb5 20. Rb1 g5 21. Ne6 Bxe6 22. dxe6 Rxe6 23. Rxf5 Ne7 24. Qf1 Nxf5 25. Qxf5+ Rg6 26. Be4 Kh8 27. Nd5 Qf8 28. Qxf8+ Rxf8 29. Bxg6 Rf2+ 30. Kh1 Rxd2 31. Be4 Nd3 32. Bg2 Be5 33. g4 Nf2+ 34. Kg1 Nxh3+ 35. Bxh3 Rxd5 36. Rf1 c4 37. Bg2 Rd2 38. bxc4 bxc4 39. a4 Ra2 40. Bc6 c3 41. Rf8+ Kg7 42. Rc8 c2 43. Be4 Ra1+ 44. Kf2 c1Q 45. Rxc1 Rxc1 46. Bd3 Ra1 47. Bb5 Bc3 48. Ke2 Kf6 49. Kd3 Bb4 50. Kc4 Bc5 51. Kd5 Rd1+ 52. Ke4 d5+ 53. Kf3 Ke5 54. Ke2 Rb1 55. Bd3 Rb3 56. a5 Rxd3 57. Kxd3 Ba7 58. a6 Bb6 59. Ke2 Ke4 60. Kf2 Bxe3+ 61. Ke2 Ba7 62. Kd2 Kd4 63. Ke2 Kc3 64. Ke1 Kc2 65. Ke2 d4 0-1

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.08.07"]
[Round "8"]
[White "Rietra, Peter"]
[Black "Krol, Alan"]
[Result "1-0"]
[ECO "A77"]
[PlyCount "85"]
[EventDate "1980.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. d5 e6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 a6 11. a4 Qa5 12. Nc4 Qc7 13. Qd3 Nbd7 14. f4 Nb6 15. Ne3 Qe7 16. Bf3 Bd7 17. h3 Nh5 18. Bxh5 gxh5 19. Ned1 Kh8 20. Rf3 Rg8 21. Nf2 Raf8 22. f5 Bd4 23. Be3 Be5 24. a5 Nc8 25. Qc4 Qh4 26. Nd3 b5 27. axb6 Nxb6 28. Qb3 c4 29. Qxb6 cxd3 30. Bd4 Rg7 31. Bxe5 dxe5 32. Qf2 Qg5 33. Rxd3 Rfg8 34. Rd2 Bb5 35. b3 Qd8 36. Qc5 Qh4 37. Qf2 Qxh3 38. Nxb5 axb5 39. Rb2 Rg4 40. Rd1 Rf4 41. Qb6 Rh4 42. Qf6+ Rg7 43. Qxg7+ 1-0

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.08.04"]
[Round "5"]
[White "Van Alphen, Marius"]
[Black "Rietra, Peter"]
[Result "1-0"]
[ECO "A19"]
[PlyCount "60"]
[EventDate "1980.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 f6 9. Be3 a6 10. Nd6+ Bxd6 11. Qxd6 Nf7 12. Qb4 Ne7 13. 0-0-0 Nc6 14. Qb3 Qe7 15. g3 Qb4 16. Qxb4 Nxb4 17. a3 Nc6 18. Bb6 0-0 19. c5 f5 20. f4 e5 21. Bc4 Re8 22. Nd5 Rb8 23. Bc7 Ra8 24. Nb6 Ra7 25. Nxc8 Rxc8 26. Rxd7 Rf8 27. fxe5 Raa8 28. Bd6 Na5 29. Ba2 b5 30. Bxf8 Rxf8 1-0

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.08.02"]
[Round "4"]
[White "Rietra, Peter"]
[Black "Piket, Marcel"]
[Result "0-1"]
[ECO "D36"]
[PlyCount "106"]
[EventDate "1980.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 h6 8. Bh4 0-0 9. Bd3 Be6 10. Nge2 Bd6 11. f4 Bg4 12. Bf5 Bxe2 13. Qxe2 Re8 14. 0-0 Be7 15. Qc2 Na6 16. Bxf6 Bxf6 17. Qd2 Qb6 18. Rfe1 Rad8 19. Rac1 Qa5 20. Bg4 c5 21. Bf3 b5 22. a3 c4 23. Ra1 Nc7 24. g4 Bh4 25. Re2 Qb6 26. Qc2 Bf6 27. Kh1 a5 28. b3 Qd6 29. a4 bxa4 30. Nxa4 cxb3 31. Qxb3 Rb8 32. Qa2 Re7 33. Nc5 Rb5 34. Qd2 Qb6 35. Ree1 Kh8 36. Ra2 Kg8 37. Kg2 Kh8 38. Na4 Qb8 39. Nc3 Rb3 40. Nxd5 Nxd5 41. Bxd5 Rb4 42. Kf3 Qb5 43. Be4 Rxe4 44. Kxe4 Qc6+ 45. Kd3 Qb5+ 46. Ke4 Qc6+ 47. Kd3 Rb3+ 48. Ke2 Qg2+ 49. Kd1 Rb1+ 50. Kc2 Qe4+ 51. Kc3 Rxe1 52. Qxe1 Bxd4+ 53. Kd2 Bc3+ 0-1

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.07.31"]
[Round "2"]
[White "Rietra, Peter"]
[Black "Van der Lijn, Nick"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "110"]
[EventDate "1980.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e6 5. Nc3 Nf6 6. Be2 Be7 7. h3 Bh5 8. 0-0 0-0 9. b3 Re8 10. Nd2 Bg6 11. a3 Qd7 12. Re1 Rad8 13. Nf1 Na5 14. Ng3 Qc6 15. Bf3 Qb6 16. cxd5 Nxb3 17. Ra2 Nxc1 18. Qxc1 exd5 19. Ree2 c6 20. Reb2 Qc7 21. Qd1 Bd6 22. Nf1 Nd7 23. Qb3 Nb6 24. Be2 Kh8 25. a4 Rb8 26. Ra1 f5 27. Bd3 Qf7 28. f4 Qf6 29. a5 Nd7 30. Qc2 Qf7 31. Rab1 Nf8 32. Ne2 Rec8 33. Neg3 c5 34. Nxf5 Bxf5 35. Bxf5 Rc7 36. dxc5 Rxc5 37. Qd3 Rxa5 38. Rb5 b6 39. Rxa5 bxa5 40. Rxb8 Bxb8 41. Qb3 Bxf4 42. Be4 Be5 43. Bxd5 Qc7 44. Kf2 Nd7 45. Nd2 Nc5 46. Qc4 a4 47. Nf3 Bf6 48. e4 Qb6 49. Kg3 Qd6+ 50. Kf2 Qb6 51. Kg3 Be7 52. h4 a5 53. e5 Qb4 54. Nd4 Qe1+ 55. Kh3 Qxh4# 0-1

[Event "Timman sim"]
[Site "Amsterdam"]
[Date "1980.??.??"]
[Round "?"]
[White "Timman, Jan H"]
[Black "Rietra, Peter"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2600"]
[PlyCount "66"]
[EventDate "1980.??.??"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 bxc6 7. c3 Qb6 8. Na3 Ba6 9. b3 d6 10. Bb2 Bd3 11. Re3 c4 12. Ne1 Nf6 13. Nxd3 cxd3 14. Rxd3 Nxe4 15. Re3 f5 16. Nc4 Qc7 17. d3 Nf6 18. Ba3 Rd8 19. Nxd6+ Rxd6 20. Rxe5+ Kd8 21. Bxd6 Qxd6 22. Ra5 Ng4 23. g3 Bxc3 24. Ra4 Re8 25. h3 Re1+ 26. Qxe1 Bxe1 27. hxg4 Bc3 28. Rc1 Bd4 29. Kg2 Qd5+ 30. Kg1 fxg4 31. Rcc4 c5 32. Rxa7 Qf3 33. Rxd4+ cxd4 0-1

