[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "Boots, Arie"]
[Black "De Jong, Huib"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "77"]
[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. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 0-0 7. Nge2 Ne8 8. 0-0 g6 9. Bh6 Ng7 10. f4 exf4 11. Nxf4 Nd7 12. g4 Ne5 13. Be2 a6 14. h3 Bg5 15. Bxg5 Qxg5 16. Ng2 Qe7 17. Na4 Nd7 18. Qd3 Rb8 19. Nc3 Ne5 20. Qg3 Bd7 21. a4 Kh8 22. Nh4 f5 23. g5 Nf7 24. exf5 Bxf5 25. Nf3 Nh5 26. Qh4 Qe3+ 27. Kh2 Ne5 28. Rae1 Nxf3+ 29. Bxf3 Qd2+ 30. Ne2 Qxb2 31. Bxh5 gxh5 32. Qxh5 Bg6 33. Rxf8+ Rxf8 34. Qh4 Qe5+ 35. Qg3 Rf2+ 36. Kg1 Rxe2 37. Qxe5+ Rxe5 38. Rxe5 dxe5 39. Kf2 0-1

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "De Jong, Huib"]
[Black "Glas, G."]
[Result "0-1"]
[ECO "A29"]
[PlyCount "85"]
[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. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. d3 0-0 6. Nf3 d5 7. cxd5 Nxd5 8. 0-0 Nxc3 9. bxc3 Be6 10. Ng5 Bd7 11. Ne4 Bb6 12. Ba3 Re8 13. Nc5 Bxc5 14. Bxc5 Qf6 15. e4 b6 16. Be3 Be6 17. Qa4 Na5 18. d4 Bc4 19. Rfd1 Rad8 20. f4 exf4 21. Bxf4 Qe7 22. Rab1 Be2 23. Rd2 Bg4 24. Rf2 Bd7 25. Qc2 Nc4 26. Rb4 Na3 27. Qc1 Nb5 28. a4 a5 29. Rxb5 Bxb5 30. axb5 Qd7 31. Qb1 Rc8 32. e5 Qe6 33. Bc6 Rf8 34. Be4 g6 35. Bh6 Rfd8 36. Qb2 a4 37. Qa2 Qd7 38. Rf6 Qe7 39. Bd5 Rxd5 40. Qxd5 Rd8 41. Qa2 a3 42. Bg5 Ra8 43. Rxg6+ 0-1

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "De Jong, Huib"]
[Black "Grondsma, Henk"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "59"]
[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. c4 Nf6 2. Nf3 e6 3. g3 c6 4. Bg2 d5 5. 0-0 Bd6 6. d3 e5 7. Qc2 d4 8. c5 Bc7 9. e3 0-0 10. Nbd2 Bf5 11. exd4 exd4 12. Nb3 Re8 13. Nbxd4 Bg6 14. Rd1 Nd5 15. a3 Nd7 16. b4 Ne5 17. Bb2 Qf6 18. Rd2 Rad8 19. Ne1 b5 20. cxb6 Bxb6 21. Ndf3 Nxf3+ 22. Nxf3 Qd6 23. Nh4 Rd7 24. Nxg6 fxg6 25. Qc4 Rf7 26. Rc1 Rxf2 27. Rxf2 Rf8 28. Bd4 Bxd4 29. Qxd4 Rxf2 30. Bxd5+ 1-0

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "De Jong, Huib"]
[Black "Van der Sluijs, A."]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "79"]
[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. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 c5 6. 0-0 Nc6 7. a3 d6 8. Rb1 Be6 9. d3 Qd7 10. Ng5 Rac8 11. Nxe6 fxe6 12. Bh3 d5 13. cxd5 Nxd5 14. Ne4 b6 15. Ng5 Nd8 16. Qb3 Rc6 17. Qc4 h6 18. Nf3 Nf7 19. Nh4 Ne5 20. Qe4 g5 21. Ng2 Qe8 22. Bxe6+ Rxe6 23. Qxd5 Qd7 24. Qb3 Kh8 25. f4 gxf4 26. Bxf4 Ng6 27. e3 Ref6 28. e4 Nxf4 29. Nxf4 Qd4+ 30. Kg2 e5 31. Nh3 Rxf1 32. Rxf1 Rxf1 33. Kxf1 a6 34. Nf2 b5 35. Qc2 c4 36. dxc4 bxc4 37. b4 cxb3 38. Qxb3 Bf8 39. a4 Bc5 40. Qc2 1/2-1/2

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "De Jong, Huib"]
[Black "Van der Wakker, Peter"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "105"]
[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. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. cxd5 exd5 5. d4 Nc6 6. Bf4 Bb4 7. a3 Be7 8. Nb5 Bd6 9. Nxd6+ cxd6 10. b4 a6 11. e3 h6 12. Bd3 0-0 13. 0-0 Ne4 14. Nd2 Bf5 15. Re1 Nxf2 16. Kxf2 Bxd3 17. Qg4 Bg6 18. Bg3 Qf6+ 19. Kg1 Rad8 20. Qf3 Be4 21. Nxe4 dxe4 22. Qxe4 Rfe8 23. Qd3 d5 24. Rf1 Qe6 25. Rae1 Rd7 26. Bh4 Rde7 27. Bf2 Qe4 28. Qd1 Re6 29. Bg3 Qg6 30. Qb3 Qg5 31. Bf4 Qd8 32. Bg3 Re4 33. Qd1 Rxe3 34. Rxe3 Rxe3 35. Bf4 Re6 36. Qd3 Rf6 37. Be5 Rxf1+ 38. Kxf1 Nxe5 39. dxe5 Qd7 40. Ke1 Qe6 41. Qe2 f6 42. exf6 Qxe2+ 43. Kxe2 gxf6 44. Kd3 Kf7 45. g4 Ke6 46. Kd4 Kd6 47. a4 b6 48. a5 bxa5 49. bxa5 Kc6 50. h4 Kd6 51. h5 Kc6 52. Ke3 Kc5 53. Kf4 0-1

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "Spaan, Tigran"]
[Black "De Jong, Huib"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "115"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qa5 9. 0-0 Nf6 10. Re1 Be7 11. h3 Bh5 12. Be3 0-0 13. Ne5 Bxe2 14. Qxe2 Nxe5 15. dxe5 Qxe5 16. Qf3 Qb8 17. Bf4 Bd6 18. Bxd6 Qxd6 19. Red1 Qb4 20. a3 Qe7 21. Rd3 Rad8 22. Rad1 Rxd3 23. Rxd3 a6 24. Ne4 Nxe4 25. Qxe4 Rc8 26. Qa4 Rd8 27. Qb3 Rxd3 28. Qxd3 h6 29. Kf1 Qc5 30. Qd8+ Kh7 31. Qd3+ g6 32. b4 Qd5 33. Qe2 b5 34. Qc2 e5 35. f3 Kg7 36. Qc8 Qd3+ 37. Kf2 Qxa3 38. Qc5 Qb2+ 39. Kg3 g5 40. Qe7 Qd4 41. Qe8 Qd6 42. Kf2 Kf6 43. Qh8+ Ke7 44. Qg7 Qe6 45. Qh8 Qg6 46. Qxe5+ Kd7 47. Qd5+ Kc7 48. Qc5+ Qc6 49. Qe7+ Qd7 50. Qc5+ Kb7 51. Qc3 Qd5 52. Qe3 Kc6 53. Qe8+ Kd6 54. Qd8+ Ke5 55. Qe7+ Qe6 56. Qc5+ Kf6 57. Qd4+ Kg6 58. Qd3+ 1/2-1/2

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1983.??.??"]
[Round "?"]
[White "Verhagen, Ad"]
[Black "De Jong, Huib"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "75"]
[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 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nb3 d6 7. Bc4 Nf6 8. h3 Bd7 9. Be3 Rc8 10. 0-0 Ne5 11. Be2 Nc4 12. Bxc4 Rxc4 13. Nd2 Rc8 14. a4 a5 15. Qc1 0-0 16. Ra3 Be6 17. Nf3 Rxc3 18. bxc3 Nxe4 19. Bh6 Qb6 20. Be3 Qc7 21. Bd4 Nf6 22. Re1 Qc8 23. Ng5 Bh6 24. Qf4 Bg7 25. Nxe6 fxe6 26. Qd2 e5 27. Be3 Qc6 28. Rb3 Nd5 29. Rb5 e6 30. c4 Nf4 31. f3 d5 32. cxd5 exd5 33. Qf2 d4 34. Bxf4 Rxf4 35. Rxa5 b6 36. Rb5 Rf5 37. Qe2 Bh6 38. Rxe5 1/2-1/2

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1982.??.??"]
[Round "?"]
[White "Broek, Thomas"]
[Black "De Jong, Huib"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "47"]
[EventDate "1982.??.??"]
[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 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qc4 d5 7. exd6 Qxd6 8. Nc3 e5 9. Nb5 Qe7 10. Bg5 Bg7 11. Be3 a6 12. Na3 Be6 13. Qc5 Nd7 14. Qxe7+ Nxe7 15. Bc4 Bxc4 16. Nxc4 Nf5 17. 0-0-0 b5 18. Nd6+ Nxd6 19. Rxd6 Ke7 20. Rhd1 Rhd8 21. Ng5 f5 22. Ne6 Bf6 23. Nxd8 Rxd8 24. Bb6 1-0

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1982.??.??"]
[Round "?"]
[White "De Jong, Huib"]
[Black "Rijksen, H."]
[Result "1-0"]
[ECO "A23"]
[PlyCount "55"]
[EventDate "1982.??.??"]
[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 Nf6 2. g3 e5 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Nc3 Nc6 8. Nc2 Bf5 9. d3 Be7 10. 0-0 0-0 11. a3 Rc8 12. Bg5 h6 13. Bxf6 Bxf6 14. dxe4 Bxc3 15. exf5 Bxb2 16. Rb1 Qf6 17. Bxd5 Ne7 18. e4 Rfd8 19. Ne3 Bxa3 20. Rxb7 Kh7 21. Qa4 Rc3 22. Ng4 Qg5 23. Ne5 Bc5 24. Nxf7 Rxg3+ 25. Kh1 Qh4 26. fxg3 Nxd5 27. Qd1 Qxe4+ 28. Qf3 1-0

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1982.??.??"]
[Round "?"]
[White "De Jong, Huib"]
[Black "Siekerman, Peter"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "47"]
[EventDate "1982.??.??"]
[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 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 c5 6. Nf3 Nc6 7. 0-0 e6 8. Bf4 d5 9. Nb5 Ne8 10. cxd5 exd5 11. Qd2 a6 12. Nc3 Be6 13. Rac1 Rc8 14. Ng5 Nf6 15. Nxe6 fxe6 16. Bh3 Qe7 17. Bg5 Rce8 18. e4 Qf7 19. exd5 exd5 20. Bg2 Rd8 21. Na4 c4 22. d4 b5 23. Nc3 Rd7 24. Rce1 1/2-1/2

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1982.??.??"]
[Round "?"]
[White "De Raad, H."]
[Black "De Jong, Huib"]
[Result "0-1"]
[ECO "D89"]
[PlyCount "86"]
[EventDate "1982.??.??"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 cxd4 10. cxd4 0-0 11. 0-0 Bg4 12. f3 Na5 13. Bd3 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Re8 17. Kh1 Bd7 18. Qe1 b6 19. Qg3 e5 20. f4 Nb7 21. Qf3 Qe7 22. Ng3 Nd6 23. fxe5 fxe5 24. Ba6 Nf7 25. Bd2 Rf8 26. Qb3 Nd6 27. Bb4 Rxf1+ 28. Nxf1 Qf6 29. Ng3 b5 30. Kg1 Rb8 31. Qa3 Nc4 32. Be7 Nxa3 33. Bxf6 Rb6 34. Bxe5 Rxa6 35. Bc7 Nc4 36. e5 Rxa2 37. Ne4 Kf8 38. Nf6 Bc8 39. Nxh7+ Kg7 40. Nf6 b4 41. Ne8+ Kf7 42. Nf6 b3 43. Ne4 b2 0-1

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1982.??.??"]
[Round "?"]
[White "Van der Sluijs, A."]
[Black "De Jong, Huib"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "56"]
[EventDate "1982.??.??"]
[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 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Be3 e6 7. Nf3 Nf6 8. Nc3 Qa5 9. Be2 Be7 10. 0-0 0-0 11. Rc1 Rd8 12. Qb3 a6 13. a3 Qc7 14. Rfd1 b5 15. Qa2 Bb7 16. b4 Rac8 17. Ng5 Nd5 18. Nge4 Nxe3 19. fxe3 Qb6 20. Nc5 Bg5 21. Rd3 Nxd4 22. exd4 Bxc1 23. Qc2 Bg5 24. Bg4 Bf6 25. Ne2 Be4 26. Qd2 Bxd3 27. Qxd3 Rc6 28. Bxe6 fxe6 0-1

[Event "Alkmaar op-A"]
[Site "Alkmaar"]
[Date "1982.??.??"]
[Round "?"]
[White "Zaal, R."]
[Black "De Jong, Huib"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "62"]
[EventDate "1982.??.??"]
[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 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Be3 Nge7 8. Qd2 a6 9. Nd1 b5 10. c3 Qa5 11. Ne2 0-0 12. 0-0 Rb8 13. d4 c4 14. d5 exd5 15. exd5 Nd8 16. Bd4 Nf5 17. Bxg7 Kxg7 18. Kh1 Nb7 19. Nd4 Nxd4 20. Qxd4+ Kg8 21. Re1 Nc5 22. Nf2 Qc7 23. Re3 Bd7 24. Rae1 Rbe8 25. Qf6 Nd3 26. Nxd3 cxd3 27. Bf3 d2 28. Rxe8 Rxe8 29. Rxe8+ Bxe8 30. Qd4 Qc4 31. Qxd2 Qf1# 0-1

