[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1991.??.??"]
[Round "?"]
[White "Havelaar, Tim"]
[Black "Lansbergen, Aad"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "25"]
[EventDate "1991.??.??"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc4 Nxe3 8. fxe3 e5 9. 0-0 exd4 10. Bxf7+ Kd7 11. Nd5 Qa5 12. Qg4+ Kc6 13. Qxc8+ 1-0

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1991.??.??"]
[Round "?"]
[White "Lansbergen, Aad"]
[Black "Heyink, R."]
[Result "1/2-1/2"]
[ECO "D56"]
[PlyCount "22"]
[EventDate "1991.??.??"]
[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 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Nxe4 dxe4 10. Ne5 Nd7 11. Nxd7 Bxd7 1/2-1/2

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1991.??.??"]
[Round "?"]
[White "Lansbergen, Aad"]
[Black "Pronk, B."]
[Result "1-0"]
[ECO "D86"]
[PlyCount "67"]
[EventDate "1991.??.??"]
[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 0-0 8. Ne2 Bg4 9. f3 Bd7 10. 0-0 a6 11. a4 a5 12. Qb3 b6 13. Ba3 Nc6 14. Kh1 Rb8 15. Ng3 Be8 16. f4 Kh8 17. f5 f6 18. fxg6 Bxg6 19. Nf5 Re8 20. Bb5 Na7 21. Bxe8 Qxe8 22. Nxe7 Bf7 23. Qc2 Bf8 24. Nf5 Bxa3 25. Rxa3 Qf8 26. Qc1 Bg6 27. c4 Nc6 28. Raf3 Qb4 29. Qh6 Rg8 30. Nh4 Bxe4 31. Qxf6+ Rg7 32. Rg3 Qe7 33. Qf8+ Qxf8 34. Rxf8+ 1-0

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1991.??.??"]
[Round "?"]
[White "Lansbergen, Aad"]
[Black "Van Egmond, Ko"]
[Result "0-1"]
[ECO "E24"]
[PlyCount "64"]
[EventDate "1991.??.??"]
[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 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. d5 d6 7. f3 0-0 8. Bg5 e5 9. e4 Nbd7 10. Bd3 h6 11. Be3 Nb6 12. Ne2 Nh7 13. 0-0 f5 14. Kh1 f4 15. Bd2 g5 16. g3 Qf6 17. gxf4 exf4 18. Rg1 Kh8 19. Qc2 Rf7 20. Raf1 Nd7 21. Rf2 Ne5 22. Kg2 Nf8 23. Kf1 Nfg6 24. Rh1 Nh4 25. Ng1 b6 26. Ke2 g4 27. fxg4 Bxg4+ 28. Kf1 Nhf3 29. h3 Qh4 30. Nxf3 Bxf3 31. Rhh2 Rg8 32. Ke1 Nxd3+ 0-1

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1991.??.??"]
[Round "6"]
[White "Plooijer, Johan"]
[Black "Lansbergen, Aad"]
[Result "1-0"]
[ECO "D58"]
[PlyCount "35"]
[EventDate "1991.??.??"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 Nbd7 6. e3 0-0 7. Rc1 h6 8. Bh4 b6 9. cxd5 exd5 10. a3 Bb7 11. Bd3 Ne4 12. Bxe7 Qxe7 13. 0-0 f5 14. Re1 Ndf6 15. Ne5 Ng4 16. Bxe4 dxe4 17. Qb3+ Kh8 18. Ng6+ 1-0

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1991.??.??"]
[Round "?"]
[White "Solowjew, W."]
[Black "Lansbergen, Aad"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "79"]
[EventDate "1991.??.??"]
[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. f4 g6 4. Nf3 Bg7 5. Bc4 Nh6 6. 0-0 0-0 7. Nd5 e6 8. Ne3 a6 9. a4 Rb8 10. c3 b5 11. axb5 axb5 12. Bb3 c4 13. Bc2 d5 14. exd5 exd5 15. d4 Ne7 16. Ne5 f6 17. N5g4 Nhf5 18. Re1 h5 19. Nf2 Qc7 20. b3 Nxe3 21. Rxe3 Bh6 22. Rxe7 Qxe7 23. Bxg6 f5 24. Ba3 b4 25. Bxb4 Rxb4 26. cxb4 Bxf4 27. Bxh5 cxb3 28. Qxb3 Be6 29. Nh3 Bd6 30. b5 f4 31. Bf3 Qg7 32. Nf2 Qxd4 33. Rd1 Qa7 34. Qc2 Qg7 35. Qc6 Qe7 36. Bxd5 Rd8 37. Re1 Bxd5 38. Qxd5+ Qf7 39. Qg5+ Kf8 40. Qxd8+ 1-0

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "7"]
[White "Hartog, J."]
[Black "Lansbergen, Aad"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "77"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Bc4 g6 4. d4 Bg7 5. Nge2 0-0 6. 0-0 Nbd7 7. b3 e5 8. dxe5 dxe5 9. Ba3 c5 10. Ng3 Qa5 11. Bb2 Rd8 12. Nd5 Nxd5 13. Bxd5 Nf8 14. Qf3 Ne6 15. Bc3 Qc7 16. Qe3 a5 17. Rad1 Nd4 18. Qd2 Ra6 19. Ne2 b5 20. a3 b4 21. Bb2 Kh8 22. Nxd4 exd4 23. Qe2 f5 24. f3 Rf6 25. axb4 axb4 26. Ra1 fxe4 27. Bxe4 Bf5 28. Qd3 Bxe4 29. Qxe4 Rf4 30. Qd3 Rh4 31. g3 Rh5 32. Rad1 g5 33. c3 bxc3 34. Bxc3 Re8 35. Bd2 Ra8 36. Qe4 Rf8 37. Qg4 Qf7 38. f4 gxf4 39. Rxf4 1/2-1/2

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "5"]
[White "Kamps, Ronald"]
[Black "Lansbergen, Aad"]
[Result "1-0"]
[ECO "B95"]
[PlyCount "67"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bd3 Be7 8. 0-0 Nbd7 9. Re1 b5 10. Nc6 Qb6 11. Nxe7 Kxe7 12. Qe2 Bb7 13. a3 h6 14. Be3 Qc6 15. f3 g5 16. Bf2 Nh5 17. Nd5+ Kd8 18. Bd4 Rg8 19. Nb4 Qc7 20. a4 a5 21. Na2 bxa4 22. Nc3 Nf4 23. Qd2 Nxd3 24. Qxd3 g4 25. fxg4 Rxg4 26. Qf3 Rg8 27. Qxf7 Rf8 28. Qxe6 Nc5 29. Bf6+ Rxf6 30. Qxf6+ Kc8 31. Rad1 Ra6 32. Qf8+ Kd7 33. e5 Qc6 34. e6+ 1-0

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "6"]
[White "Lansbergen, Aad"]
[Black "Kemp, Rasmus"]
[Result "0-1"]
[ECO "D53"]
[PlyCount "36"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[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 Nf6 4. Bg5 Be7 5. e3 b6 6. Nf3 c5 7. Ne5 Nbd7 8. Nc6 Qc7 9. Nxe7 Kxe7 10. cxd5 Kf8 11. dxe6 fxe6 12. Qb3 Kf7 13. 0-0-0 cxd4 14. Rxd4 Nc5 15. Qc4 Ba6 16. Nb5 Bxb5 17. Qxb5 Nb3+ 18. Kb1 Qc1# 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "4"]
[White "Lansbergen, Aad"]
[Black "Tesselaar, Willem"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "50"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. d4 Ngf6 7. 0-0 e6 8. c3 Bd6 9. Bg5 0-0 10. Nbd2 Qc7 11. Bxf6 Nxf6 12. Qe2 Rfe8 13. Ne5 Nd7 14. f4 f6 15. Nxd7 Qxd7 16. Qh5 Qb5 17. b3 Qd3 18. Nf3 Qxc3 19. f5 e5 20. dxe5 Bxe5 21. Nxe5 Rxe5 22. Rac1 Qa5 23. a3 Rae8 24. b4 Qxa3 25. h3 Qxb4 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "3"]
[White "Piersma, Jan"]
[Black "Lansbergen, Aad"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "77"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Bxf6 Qxf6 4. e4 Bb4+ 5. c3 Ba5 6. Nf3 0-0 7. Nbd2 d5 8. Bd3 c6 9. Qc2 Nd7 10. e5 Qh6 11. 0-0-0 b5 12. h4 a6 13. g4 g6 14. g5 Qg7 15. h5 Re8 16. hxg6 fxg6 17. Nh2 Nf8 18. Ng4 Bd8 19. f4 Qa7 20. Nf3 c5 21. dxc5 Qxc5 22. Rh2 a5 23. Rdh1 Ra7 24. Nh4 Rg7 25. Nf6+ Bxf6 26. gxf6 Qe3+ 27. Kb1 Rc7 28. Nxg6 d4 29. Ne7+ Rcxe7 30. fxe7 Rxe7 31. Bxh7+ Kf7 32. Ka1 Ke8 33. Be4 Rg7 34. a3 b4 35. cxd4 Bd7 36. Bc6 b3 37. Bxd7+ Kxd7 38. Qc1 Qg3 39. Rh3 1-0

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "1"]
[White "Roggeveen, Pieter"]
[Black "Lansbergen, Aad"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "73"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. Bb5 Nge7 6. 0-0 a6 7. Bxc6+ Nxc6 8. d3 Be7 9. Qe1 b5 10. a4 b4 11. Ne2 dxe4 12. dxe4 0-0 13. Be3 Bb7 14. Qf2 Nd4 15. Nexd4 cxd4 16. Bxd4 Bxe4 17. c3 bxc3 18. bxc3 Qc7 19. Qg3 f6 20. Nd2 Bg6 21. Qe3 Bf7 22. a5 Rfc8 23. Kh1 Bd6 24. Ne4 Be7 25. Qg3 Kh8 26. Rfe1 Rab8 27. Bb6 Qc4 28. Re3 Qb3 29. Rae1 Bd8 30. Nd6 Bxb6 31. Nxf7+ Kg8 32. Nh6+ Kf8 33. axb6 gxh6 34. Qh4 Kg7 35. Rxe6 Qxc3 36. Re7+ Kh8 37. Qxh6 1-0

