[Event "NED Team-ch"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Boomgaardt, Jan"]
[Black "Vogel, Jaap"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "84"]
[EventDate "1972.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 b6 8. Re1 Bb7 9. c3 h6 10. a3 d4 11. cxd4 Nxd4 12. Nxd4 Qxd4 13. Nc4 Rd8 14. Qa4+ Qd7 15. Qxa7 b5 16. Na5 Ba8 17. Qxd7+ Rxd7 18. f3 0-0 19. Bf1 Nh7 20. Be3 Ng5 21. Kg2 e5 22. Rec1 f5 23. Be2 c4 24. h4 cxd3 25. Bd1 Nh7 26. exf5 e4 27. f4 Bf6 28. Rc5 Bxb2 29. Rb1 Bxa3 30. Rcxb5 Nf6 31. Nc4 Be7 32. Ne5 Rc7 33. Bb3+ Kh7 34. g4 Bd6 35. g5 Bxe5 36. fxe5 Ng4 37. g6+ Kh8 38. Bd4 e3+ 39. Kg3 e2 40. f6 d2 41. Kxg4 e1Q 42. fxg7+ Rxg7 0-1

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Langeweg, Kick"]
[Black "Boomgaardt, Jan"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "48"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 0-0 8. h4 h6 9. Ba3 Nd7 10. Nh3 Rb8 11. Nf4 c5 12. Qa4 a6 13. c4 b5 14. Qc2 b4 15. Bb2 Ne5 16. 0-0 Bb7 17. Bxb7 Rxb7 18. Qe4 Qb8 19. Bxe5 Bxe5 20. Nd3 Bd6 21. Qe3 Qc7 22. Qxh6 Bxg3 23. f4 e5 24. f5 gxf5 1-0

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Zuidema, Coen"]
[Black "Boomgaardt, Jan"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "72"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Be3 Nh6 10. g3 Nd7 11. 0-0-0 Nf5 12. Bf2 Nb6 13. g4 Nh4 14. Bxh4 Qxh4 15. g5 0-0 16. Bd3 Rfc8 17. Qe3 Bf8 18. Ne2 c5 19. Qg1 c4 20. Qh2 cxd3 21. Rxd3 Rc6 22. Kb1 Rac8 23. Rc1 Bb4 24. c3 Na4 25. cxb4 Rxc1+ 26. Nxc1 Qe1 27. Qd2 Qf1 28. Qd1 Qxf4 29. Ne2 Qf5 30. Qd2 Nb6 31. a4 Nc4 32. Qc3 Qf1+ 33. Nc1 Na3+ 34. bxa3 Rxc3 35. Rxc3 Qf5+ 36. Nd3 Qxh3 0-1

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.15"]
[Round "11"]
[White "Boomgaardt, Jan"]
[Black "Bouwmeester, Hans"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "40"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 c6 4. 0-0 Bg4 5. h3 Bh5 6. d4 Nbd7 7. b3 e6 8. c4 Ne4 9. Bb2 Be7 10. Nbd2 f5 11. Qc1 0-0 12. Ba3 Bxa3 13. Qxa3 f4 14. g4 Bg6 15. Rae1 h5 16. gxh5 Bxh5 17. e3 Nxd2 18. Nxd2 f3 19. Bh1 Rf6 20. e4 Rg6+ 0-1

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.13"]
[Round "10"]
[White "Langeweg, Kick"]
[Black "Boomgaardt, Jan"]
[Result "1-0"]
[ECO "D92"]
[PlyCount "85"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. Rc1 c5 7. dxc5 Be6 8. Nd4 Nc6 9. Nxe6 fxe6 10. e3 Qa5 11. Be2 e5 12. cxd5 exf4 13. dxc6 bxc6 14. exf4 Ne4 15. 0-0 Nxc3 16. bxc3 Qxc5 17. g3 Rad8 18. Qc2 e5 19. fxe5 Bxe5 20. Kg2 Rf6 21. Bf3 Bc7 22. Rcd1 Rxd1 23. Rxd1 Bb6 24. Rd2 Ba5 25. Qb3+ Kh8 26. Rd3 Bb6 27. Qc2 Kg8 28. h4 Rf7 29. Rd2 Rf6 30. Re2 Qf5 31. Be4 Qc5 32. c4 Qd4 33. h5 Kg7 34. Bf3 Qc5 35. hxg6 hxg6 36. Re4 Qf8 37. Qc3 Kg8 38. Rh4 Qg7 39. c5 Bd8 40. Rd4 Be7 41. Rd7 Qf8 42. Rxa7 Bxc5 43. Ra8 1-0

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.12"]
[Round "9"]
[White "Boomgaardt, Jan"]
[Black "Van Scheltinga, Theo D"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "114"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Nf6 6. Nf3 Bd6 7. Nc3 Bf5 8. d3 Nbd7 9. Ng5 0-0 10. Nge4 Be6 11. Qa4 Nxe4 12. Nxe4 Be7 13. 0-0 f5 14. Nd2 Bf6 15. Qc2 Nb6 16. Nb3 Qe7 17. Nc5 Bd5 18. e4 fxe4 19. dxe4 Bc4 20. Nd3 Rad8 21. Rd1 Qd7 22. Bf1 Qd4 23. Be3 Qxe4 24. Bg2 Qg4 25. Nc5 Nd5 26. Nxb7 Nxe3 27. fxe3 Rxd1+ 28. Rxd1 Bg5 29. Re1 Bd5 30. e4 Be6 31. b3 h5 32. Nc5 Bc8 33. Nd3 Qe6 34. Nb2 Qd6 35. Rf1 Be3+ 36. Kh1 Rxf1+ 37. Bxf1 Bd4 38. Nc4 Qf6 39. Bg2 h4 40. gxh4 Qxh4 41. Qe2 Qf4 42. Nd2 Bg4 43. Bf3 Be6 44. Nf1 Kh7 45. Ng3 g6 46. Kg2 Qc1 47. Nf1 Qg5+ 48. Ng3 Qh4 49. Kh1 c5 50. Kg2 Bh3+ 51. Kh1 Qf4 52. Nf1 Be6 53. Kg2 Kg7 54. h3 Qc1 55. Bg4 Bf7 56. Kf3 c4 57. Nd2 c3 0-1

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.11"]
[Round "8"]
[White "Kuijpers, Frans"]
[Black "Boomgaardt, Jan"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "115"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nf3 Be7 8. c5 Ne4 9. Bxe7 Qxe7 10. Qc1 Qf6 11. Bb5 Bd7 12. Bxc6 Bxc6 13. b4 Nxc3 14. Qxc3 a5 15. 0-0 axb4 16. Qxb4 Ra4 17. Qd2 0-0 18. Rfb1 Rfa8 19. Rb6 h6 20. h3 Qf5 21. Rb3 Rc4 22. Rd3 Rca4 23. a3 f6 24. Re3 Re8 25. Rae1 Kf7 26. Qb2 Qf4 27. Qc2 Qf5 28. Qe2 Bd7 29. Ne5+ fxe5 30. Rf3 exd4 31. Rb1 Bc6 32. Rxf5+ exf5 33. Qc2 Rxa3 34. Qxf5+ Kg8 35. Rd1 d3 36. Rxd3 Rxd3 37. Qxd3 Re4 38. Qg3 Re7 39. Qf4 Rf7 40. Qe5 Rd7 41. Qd4 Re7 42. f3 Re2 43. h4 Rc2 44. Qe3 Rc4 45. Qe7 Kh7 46. h5 Rf4 47. Qe3 Rf7 48. f4 Kg8 49. g4 Kf8 50. Qe5 Rd7 51. Qf5+ Kg8 52. Qe6+ Kf8 53. Kf2 d4 54. Qf5+ Kg8 55. Ke2 d3+ 56. Kd2 Rd5 57. Qe6+ Kf8 58. f5 1-0

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.10"]
[Round "7"]
[White "Ree, Hans"]
[Black "Boomgaardt, Jan"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "55"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 c5 9. N1f3 Bd6 10. dxc5 Bxc5 11. Ne5 0-0 12. 0-0 Nbd5 13. a3 a5 14. Rd1 h6 15. Ngxf7 Qc7 16. c4 Ne7 17. Nxh6+ gxh6 18. Bxh6 Nf5 19. Bxf8 Kxf8 20. Kh1 b6 21. f3 Nd4 22. Qe3 Qg7 23. Qf4 Bb7 24. b4 Nb3 25. bxc5 Nxa1 26. Rxa1 bxc5 27. Rb1 Bc8 28. Ng4 1-0

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.08"]
[Round "6"]
[White "Boomgaardt, Jan"]
[Black "Krabbe, Tim"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "43"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 Bf5 4. 0-0 e6 5. c4 c6 6. cxd5 exd5 7. d3 Be7 8. Bf4 h6 9. Nd4 Bh7 10. Nc3 0-0 11. e4 Nbd7 12. Re1 Nc5 13. Nb3 Ne6 14. Be5 dxe4 15. dxe4 Qb6 16. Qe2 Nd7 17. Bf4 Nxf4 18. gxf4 Qc7 19. Rad1 Nc5 20. Nxc5 Bxc5 21. e5 Rad8 22. Be4 1/2-1/2

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.07"]
[Round "5"]
[White "Bakker, Piet"]
[Black "Boomgaardt, Jan"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "40"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Ne2 e6 6. Ng3 Bg6 7. Be2 Be7 8. Nxh5 Bxh5 9. Bxh5 g6 10. Bf3 Rxh4 11. Rxh4 Bxh4 12. Be3 Bg5 13. Qd2 Bxe3 14. Qxe3 Nd7 15. Nd2 Ne7 16. g4 c5 17. c3 Qb6 18. 0-0-0 cxd4 19. cxd4 Nc6 20. Nb1 0-0-0 1/2-1/2

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.06"]
[Round "4"]
[White "Boomgaardt, Jan"]
[Black "Rosenthal, Michael"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "52"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Nf6 3. c4 Be7 4. Nc3 d6 5. Nf3 0-0 6. 0-0 c6 7. d3 Nbd7 8. b4 Qc7 9. Bb2 Rd8 10. a4 Nf8 11. Qc2 Bg4 12. Rfc1 Qd7 13. b5 Ne6 14. e3 h5 15. Rf1 Rac8 16. bxc6 bxc6 17. Rab1 Bxf3 18. Bxf3 d5 19. Rfd1 Ng5 20. Bg2 Nh3+ 21. Bxh3 Qxh3 22. Bc1 e4 23. dxe4 dxe4 24. Bb2 Ng4 25. Nxe4 Qxh2+ 26. Kf1 Nxe3+ 0-1

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.05"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Boomgaardt, Jan"]
[Result "1-0"]
[ECO "D72"]
[PlyCount "39"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2 0-0 8. 0-0 e5 9. d5 c6 10. Nbc3 N8d7 11. b3 cxd5 12. exd5 Re8 13. a4 a5 14. Ba3 Nf6 15. Nb5 Nfxd5 16. Nd6 Nb4 17. Nxe8 Qxe8 18. Nc3 Qe7 19. Qe2 Be6 20. Qb5 1-0

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.04"]
[Round "2"]
[White "Boomgaardt, Jan"]
[Black "Zuidema, Coen"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "132"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 Nc6 7. e4 e5 8. c3 a5 9. Re1 dxe4 10. dxe4 Be6 11. Qa4 Nd7 12. Qb5 Nc5 13. Bf1 Qc8 14. b3 Rd8 15. Qe2 Nd3 16. Qxd3 Rxd3 17. Bxd3 f6 18. Nf1 Qe8 19. Ne3 Bd6 20. Nh4 g6 21. Bb2 a4 22. b4 Ne7 23. a3 b5 24. c4 bxc4 25. Nxc4 Kg7 26. Rac1 Bxc4 27. Rxc4 Qd7 28. Bf1 Nc8 29. Rec1 Nb6 30. R4c2 Qf7 31. Nf3 g5 32. Nd2 h5 33. Bg2 Qe6 34. Nf1 h4 35. Ne3 hxg3 36. Nf5+ Kg6 37. hxg3 Rh8 38. Kf1 Qd7 39. Rc6 Nc8 40. Kg1 Ne7 41. Nxe7+ Qxe7 42. R1c2 Qe6 43. R6c4 Kf7 44. Bc1 Qg4 45. Be3 Rd8 46. Rc1 Ke8 47. Kh2 Rd7 48. Kg1 Kd8 49. Bf1 Bf8 50. Kg2 Qh5 51. Kg1 Qf3 52. Re1 Rd1 53. Rxd1+ Qxd1 54. Bc1 Kc8 55. Rc3 Kb7 56. Be3 Qa1 57. Bd2 Qb2 58. Be1 c5 59. bxc5 Kc6 60. Rf3 Bxc5 61. Bc3 Qxa3 62. Rxf6+ Kd7 63. Bxe5 Qb4 64. Rg6 Qxe4 65. Rxg5 a3 66. Bc3 Bxf2+ 0-1

[Event "NED-ch23"]
[Site "Zierikzee"]
[Date "1967.07.03"]
[Round "1"]
[White "Scholl, Eddie C"]
[Black "Boomgaardt, Jan"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "55"]
[EventDate "1967.07.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 c5 8. 0-0 Be7 9. c3 b6 10. Qe2 0-0 11. Re1 Bb7 12. Bd2 Bd6 13. Rad1 Rc8 14. Ne5 cxd4 15. cxd4 Be7 16. f4 Nb8 17. Kh1 Nc6 18. Nxc6 Rxc6 19. f5 Qxd4 20. Bg5 Qg4 21. Qxg4 Nxg4 22. Bxe7 Re8 23. Bb4 Nf2+ 24. Kg1 Nxd1 25. Rxd1 a5 26. Bc3 Rd8 27. fxe6 Rxe6 28. Bxh7+ 1-0

