[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.02.03"]
[Round "15"]
[White "Nijdam, Wim"]
[Black "Hecht, Hans Joachim"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "80"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. Bf4 c6 8. e3 Be7 9. Bd3 0-0 10. Qc2 c5 11. 0-0 Nbd7 12. Ne5 g6 13. Bh6 Re8 14. f4 Bf8 15. Bg5 c4 16. Nxd7 Qxd7 17. Bxg6 fxg6 18. Bxf6 Rxe3 19. Be5 Re8 20. Qf2 Rd3 21. f5 Rxe5 22. fxg6 Bh6 23. Qf7+ Qxf7 24. gxf7+ Kf8 25. dxe5 d4 26. e6 Re3 27. Rae1 dxc3 28. bxc3 Rxe1 29. Rxe1 Ke7 30. Re5 Bf8 31. a4 Bc8 32. a5 Bxe6 33. axb6 axb6 34. Rb5 Kxf7 35. Kf1 Bc5 36. Rb1 Bf5 37. Ra1 Bd6 38. h3 Be5 39. Ra6 Bxc3 40. Rxb6 Bd3+ 0-1

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.02.01"]
[Round "14"]
[White "Kushnir, Alla"]
[Black "Nijdam, Wim"]
[Result "1/2-1/2"]
[ECO "D24"]
[PlyCount "81"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. Nxd5 Qxd5 8. g3 Qe4+ 9. Be3 Be6 10. Bg2 Qb7 11. Nh4 Bd5 12. Bxd5 Qxd5 13. 0-0 e6 14. Ng2 Bb4 15. Qg4 Rg8 16. Qh5 Qe4 17. Nf4 Kf8 18. a3 Be7 19. Qe2 Nd7 20. Qg4 Ke8 21. Qh5 Kf8 22. Rae1 Nb6 23. Bc1 Qf5 24. Qe2 g5 25. Ng2 Rd8 26. Rd1 Nd5 27. Qh5 Qg6 28. Qe2 c3 29. f4 gxf4 30. Nxf4 Nxf4 31. Rxf4 cxb2 32. Bxb2 c5 33. Rdf1 Rg7 34. Qf2 cxd4 35. Bxd4 Kg8 36. a4 bxa4 37. Bb6 Rf8 38. Rxa4 h5 39. Qe2 h4 40. Bf2 h3 41. Rxa6 1/2-1/2

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.31"]
[Round "13"]
[White "Nijdam, Wim"]
[Black "Gerusel, Mathias"]
[Result "1/2-1/2"]
[ECO "A80"]
[PlyCount "55"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 Nf6 3. Bxf6 exf6 4. g3 c6 5. Nc3 d5 6. Qd3 Na6 7. h4 Bd6 8. 0-0-0 Bd7 9. Bh3 g6 10. h5 Qe7 11. e3 0-0-0 12. Nge2 Nc7 13. Kb1 Kb8 14. Rh2 Rhg8 15. Rdh1 Ne6 16. hxg6 hxg6 17. Nf4 Ng5 18. Bf1 Ne4 19. Nfe2 b6 20. Nxe4 fxe4 21. Qb3 Bg4 22. Rh6 Bh5 23. c4 Qg7 24. R6xh5 gxh5 25. cxd5 c5 26. dxc5 Bxc5 27. Nf4 Qe7 28. Ne6 1/2-1/2

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.30"]
[Round "12"]
[White "Kurajica, Bojan"]
[Black "Nijdam, Wim"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "81"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. f4 0-0 6. Qd2 h6 7. Bh4 c6 8. Nf3 b5 9. Bd3 b4 10. Ne2 a5 11. 0-0 d5 12. e5 Ne4 13. Qe3 f5 14. exf6 exf6 15. Nd2 Qe8 16. Nxe4 dxe4 17. Qxe4 Qxe4 18. Bxe4 Ba6 19. Bf3 g5 20. Bf2 f5 21. h3 Bb5 22. Rfe1 Nd7 23. a4 bxa3 24. Rxa3 Nf6 25. Ng3 Nd5 26. b3 a4 27. c4 axb3 28. Rxa8 Rxa8 29. cxb5 b2 30. bxc6 Nc3 31. Nxf5 Bf8 32. Kh2 b1Q 33. Rxb1 Nxb1 34. Bd5+ Kh7 35. Be6 Nd2 36. c7 Nf1+ 37. Kh1 Ra1 38. Bg1 Rc1 39. c8Q Rxc8 40. Bxc8 Bd6 41. g3 1-0

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.29"]
[Round "11"]
[White "Nijdam, Wim"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[ECO "A65"]
[PlyCount "33"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 b6 10. a4 Na6 11. Bg5 Nb4 12. Bc4 h6 13. Bh4 a6 14. f4 Qe8 15. Bxf6 Bxf6 16. Qd2 Rb8 17. Ng3 1/2-1/2

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.28"]
[Round "10"]
[White "Antunac, Goran"]
[Black "Nijdam, Wim"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "47"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. d4 0-0 6. 0-0 c5 7. cxd5 Nxd5 8. Nc3 Nxc3 9. bxc3 Nc6 10. Rb1 Qa5 11. Qc2 Qa6 12. Bg5 cxd4 13. Bxe7 Nxe7 14. cxd4 Qa5 15. Ne5 Qd8 16. e3 Nd5 17. Rfc1 a5 18. Rb5 f6 19. Nd3 Qe8 20. Rbb1 Ra6 21. Qd2 b5 22. Nc5 Ra7 23. a3 Nb6 24. Qd3 1-0

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.27"]
[Round "9"]
[White "Nijdam, Wim"]
[Black "Portisch, Ferenc"]
[Result "1/2-1/2"]
[ECO "E70"]
[PlyCount "43"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 c5 7. d5 e6 8. Be2 Na6 9. dxe6 Bxe6 10. 0-0 Qd7 11. f4 Bg4 12. f5 Bxe2 13. Qxe2 Nb4 14. Bf4 Nc6 15. Qd2 Nd4 16. Bh6 Rae8 17. Qg5 Re5 18. Bxg7 Kxg7 19. Nd5 Nxd5 20. cxd5 Kh8 21. Qf6+ Kg8 22. Nh5 1/2-1/2

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.24"]
[Round "8"]
[White "Quinteros, Miguel Angel"]
[Black "Nijdam, Wim"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "69"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 c5 4. c3 e6 5. Bd3 Nc6 6. Ne2 Be7 7. Be3 0-0 8. Nd2 b6 9. 0-0 e5 10. Bb5 Qc7 11. d5 Nb8 12. g4 Ne8 13. Ng3 h6 14. Kg2 Bg5 15. Qe1 Qd8 16. Rh1 a6 17. Bd3 g6 18. h4 Bf4 19. Bxf4 exf4 20. Ne2 Qf6 21. Qg1 Nd7 22. Qh2 Ne5 23. Nxf4 b5 24. Be2 c4 25. Qg3 Qd8 26. Nh3 f6 27. f4 Nf7 28. f5 g5 29. Nf3 Qe7 30. Nf2 Nc7 31. Nd4 Qe5 32. Qxe5 Nxe5 33. hxg5 hxg5 34. Rh6 Bb7 35. Rah1 1-0

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.23"]
[Round "7"]
[White "Nijdam, Wim"]
[Black "Markland, Peter Richard"]
[Result "1-0"]
[ECO "A50"]
[PlyCount "37"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 g6 8. Nf3 Bg7 9. Bb2 0-0 10. Be2 Nc6 11. 0-0 Na5 12. c4 Qd7 13. Rfe1 Rad8 14. Bc3 f5 15. d5 fxe4 16. Bxg7 Kxg7 17. Nd4 Rf6 18. Ne6+ Rxe6 19. Bg4 1-0

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.22"]
[Round "6"]
[White "Bednarski, Jacek B"]
[Black "Nijdam, Wim"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "31"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nd2 e5 4. Ngf3 exd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Ne4 h6 11. Nb5 a6 12. Nbd6 cxd6 13. Qxd5 Nc6 14. Qxd6 Bg4 15. Qxd8 Raxd8 16. Bxh6 1-0

[Event "Hoogovens-B+"]
[Site "Wijk aan Zee"]
[Date "1973.01.19"]
[Round "5"]
[White "Nijdam, Wim"]
[Black "Van Scheltinga, Theo D"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "80"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Bf5 6. Bg5 Be7 7. Bxe7 Qxe7 8. Qb3 Nf6 9. e3 0-0 10. Be2 Ne8 11. 0-0 Nd6 12. Rfc1 Nd7 13. Na4 Bg4 14. Qa3 f5 15. Re1 b5 16. Nc5 Bxf3 17. Bxf3 Nc4 18. Qb4 Nxc5 19. dxc5 Qe5 20. a4 Nxb2 21. axb5 Nd3 22. Qd4 Qxd4 23. exd4 Nxe1 24. Rxe1 Rfe8 25. Ra1 Rad8 26. bxc6 Re7 27. g4 g6 28. gxf5 gxf5 29. Rb1 Kf7 30. Rb7 Rxb7 31. cxb7 Ke6 32. Kf1 h6 33. c6 Kd6 34. Bxd5 Kc7 35. Be6 Kxc6 36. d5+ Kxb7 37. Bxf5 Kb6 38. Be6 Kc5 39. Ke2 Rxd5 40. Bxd5 Kxd5 0-1

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.18"]
[Round "4"]
[White "Reicher, Emanoil"]
[Black "Nijdam, Wim"]
[Result "1-0"]
[ECO "D23"]
[PlyCount "47"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Bg4 6. Nbd2 Nbd7 7. g3 e6 8. Bg2 Bd6 9. 0-0 0-0 10. Qc2 Bc7 11. b3 e5 12. Bb2 Re8 13. e4 exd4 14. Nxd4 Ne5 15. b4 a5 16. a3 Bb6 17. N2b3 axb4 18. axb4 Rxa1 19. Rxa1 Qe7 20. Nc5 Nfd7 21. h3 Be6 22. Qc3 Bxc5 23. bxc5 Qxc5 24. Qxc5 1-0

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.17"]
[Round "3"]
[White "Ghitescu, Theodor"]
[Black "Nijdam, Wim"]
[Result "1-0"]
[ECO "D58"]
[PlyCount "81"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Qe2 Ne4 11. Bg3 Nxg3 12. hxg3 c5 13. Rfd1 cxd4 14. exd4 Nf6 15. Ne5 Rc8 16. Rac1 dxc4 17. Bxc4 Nd5 18. Ne4 Bg5 19. f4 Be7 20. Bb5 Rxc1 21. Rxc1 Nxf4 22. gxf4 Qxd4+ 23. Nf2 Qxf4 24. Rc4 Qg5 25. Nfd3 h5 26. Rc7 Bd5 27. Rxa7 Bd6 28. Rd7 Bxe5 29. Nxe5 Bxg2 30. Qxg2 Qxe5 31. Bf1 b5 32. Qe2 Qg5+ 33. Qg2 Qc5+ 34. Qf2 Qg5+ 35. Bg2 b4 36. Qd2 Qc5+ 37. Qd4 Qc1+ 38. Kh2 Qe1 39. Qe4 Qa1 40. Qxb4 Qxa2 41. Qd4 1-0

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.15"]
[Round "2"]
[White "Nijdam, Wim"]
[Black "Sax, Gyula"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "60"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be2 0-0 9. 0-0 Nd7 10. Be3 Qa5 11. Qb3 Nb6 12. Rac1 Bg4 13. dxc5 Na4 14. Qa3 b6 15. Bd4 e5 16. Be3 Rfc8 17. Bc4 Bxf3 18. gxf3 Bf8 19. Qb3 Bxc5 20. Bxf7+ Kg7 21. Bg5 Rf8 22. Bd5 Rac8 23. c4 Bd4 24. f4 Nc3 25. fxe5 Bxe5 26. Kh1 Rf3 27. Rxc3 Qxc3 28. Qa4 Rcf8 29. Qd7+ Kh8 30. Qe6 Rxf2 0-1

[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1973.01.14"]
[Round "1"]
[White "Van der Weide, Piet"]
[Black "Nijdam, Wim"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "34"]
[EventDate "1973.01.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Nd4 10. Nxe5 Nxd5 11. Bxd4 Nf4 12. Ne2 Nxe2 13. Bxe2 Qe7 14. Nxg6 fxg6 15. Bxg7 Qh4+ 16. g3 Qxe4 17. Qd4 Re8 1/2-1/2

[Event "Hoogovens Reserve-A"]
[Site "Wijk aan Zee"]
[Date "1972.01.24"]
[Round "5"]
[White "Krabbe, Tim"]
[Black "Nijdam, Wim"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "42"]
[EventDate "1972.01.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h4 Nc6 5. Be2 Bg7 6. Be3 e5 7. d5 Nd4 8. Bxd4 exd4 9. Qxd4 0-0 10. Qd3 c5 11. 0-0-0 Re8 12. h5 b5 13. hxg6 fxg6 14. e5 Rxe5 15. Qxb5 Ne4 16. Nxe4 Rxe4 17. c3 Bf5 18. g4 Rb8 19. Qd3 Rxg4 20. Qe3 Re4 21. Qg3 Be5 0-1

