[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "1"]
[White "Adorjan, Andras"]
[Black "Bednarski, Jacek B"]
[Result "1-0"]
[PlyCount "83"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. O-O d6 7. d4 exd4 8. Nxd4
Bd7 9. Bd2 Nxb3 10. axb3 g6 11. Re1 Bg7 12. Bf4 Qf6 13. Be3 Ne7 14. Nc3 O-O 15.
Nf3 Bg4 16. Bd4 Qxd4 17. Qxd4 Bxd4 18. Nxd4 c5 19. Nde2 Rfd8 20. Nf4 Be6 21.
Red1 Nc6 22. Rd2 Ra7 23. f3 Kf8 24. e5 dxe5 25. Nxe6+ fxe6 26. Rxd8+ Nxd8 27.
Nxb5 Rd7 28. Nc3 Rd2 29. Rc1 Ke7 30. Ne4 Rd5 31. Ra1 Nc6 32. Rxa6 Nb4 33. Ra7+
Kd8 34. c3 Nd3 35. Rxh7 Nxb2 36. h4 Nd1 37. Rg7 Rd3 38. Rxg6 Nxc3 39. Nxc3 Rxc3
40. h5 Ke7 41. h6 Kf7 42. h7 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "1"]
[White "Marovic, Drazen"]
[Black "Hamann, Svend"]
[Result "1-0"]
[PlyCount "77"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5
9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Qa5 12. exf6 b4 13. Ne4 Ba6 14. Bd2 Qd5 15.
Bg2 Qxd4 16. Be3 Qxb2 17. Rb1 Qe5 18. Bf4 Qf5 19. O-O Qh5 20. g4 Qd5 21. Nd6+
Bxd6 22. Bxd5 Bxf4 23. Bxc6 O-O-O 24. Rxb4 Nc5 25. Qf3 Bxh2+ 26. Kg2 Rd3 27.
Qe2 c3 28. Rb5 Bd6 29. Rd1 Rxd1 30. Qxd1 Kc7 31. Rxc5 Bxc5 32. Qd7+ Kb6 33. Be4
Rc8 34. Qxf7 Ka5 35. Qxe6 Rd8 36. Qb3 Bd4 37. a3 Bb5 38. Qb4+ Ka6 39. a4 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "1"]
[White "Tatai, Stefano"]
[Black "Cortlever, Nico"]
[Result "1-0"]
[PlyCount "80"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. Qe2 Be7 10. Rd1 Nc5 11. Nc3 Nxb3 12. cxb3 O-O 13. h3 Qd7 14. Bg5 h6 15.
Bxe7 Nxe7 16. Ne4 Rad8 17. Nc5 Qc8 18. Nd4 Nf5 19. Rac1 Nxd4 20. Rxd4 Rfe8 21.
Qd2 c6 22. f4 Bf5 23. b4 f6 24. exf6 gxf6 25. g4 Be4 26. f5 Qc7 27. Qh2 Qe5 28.
Qxe5 fxe5 29. Rd2 Bf3 30. Kf2 e4 31. Ke3 Rd6 32. Nb3 Kf7 33. Nd4 Kf6 34. Rdc2
Ke5 35. Rxc6 Bg2 36. Rxd6 Kxd6 37. Rc6+ Kd7 38. Rxh6 Rc8 39. Rh7+ Kd6 40. g5
Rc1 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "1"]
[White "Timman, Jan"]
[Black "Piket, Joop J"]
[Result "1-0"]
[PlyCount "51"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. a3 O-O 8. b4
cxb4 9. axb4 Nxb4 10. cxb4 e4 11. dxe4 Bxa1 12. e5 Nc6 13. Qa4 Bxe5 14. b5 Bg7
15. bxc6 dxc6 16. Rd1 Qb6 17. Be3 Qb5 18. Qxb5 cxb5 19. Bc5 Re8 20. Nd4 Bxd4
21. Bxd4 b4 22. Nd2 a5 23. Ne4 Ra6 24. Nf6+ Rxf6 25. Bxf6 a4 26. Rd4 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "1"]
[White "Van Geet, Dick"]
[Black "Van der Weide, Piet"]
[Result "1/2-1/2"]
[PlyCount "44"]

1. b3 e5 2. Bb2 Nc6 3. Nf3 e4 4. Nd4 Nf6 5. e3 d5 6. c4 Nxd4 7. Bxd4 Be7 8.
cxd5 Qxd5 9. Nc3 Qa5 10. a3 O-O 11. b4 Qg5 12. Bxf6 Qxf6 13. Nxe4 Qh4 14. Qf3
a5 15. b5 Be6 16. d4 Rad8 17. Ng3 f5 18. Bd3 f4 19. Ne2 Bg4 20. Qe4 fxe3 21.
Qxe3 Bg5 22. Qg3 Bxe2 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "1"]
[White "Westerinen, Heikki"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[PlyCount "82"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Na4 Be7 6. Ne2 d5 7. exd5 Nxd5 8.
O-O O-O 9. Nac3 Be6 10. Bb3 Qd7 11. Ne4 h6 12. Bd2 Rad8 13. Kh1 a6 14. f3 f5
15. N4c3 Bc5 16. Nxd5 Bxd5 17. Bc3 Be3 18. Qe1 Bxb3 19. axb3 Nd4 20. Bxd4 exd4
21. Qb4 Qc6 22. Qc4+ Qxc4 23. bxc4 Rfe8 24. g4 f4 25. Rfd1 Re5 26. c3 g5 27.
Kg2 a5 28. Ra2 b6 29. b4 dxc3 30. Nxc3 axb4 31. Nd5 b3 32. Rb2 Bd4 33. Rxb3
Re2+ 34. Kh1 Ra8 35. Nb4 c5 36. Nc6 Be3 37. Ne7+ Kf8 38. Nd5 Raa2 39. Nxe3 fxe3
40. Rxb6 Rxh2+ 41. Kg1 Rag2+ 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "2"]
[White "Bednarski, Jacek B"]
[Black "Westerinen, Heikki"]
[Result "0-1"]
[PlyCount "82"]

1. e4 Nf6 2. e5 Ng8 3. d4 d5 4. c3 c5 5. dxc5 Qc7 6. Qxd5 e6 7. Qe4 Bxc5 8. Nf3
Bd7 9. Qg4 Ne7 10. Nbd2 Nbc6 11. Nc4 Ng6 12. Qg3 O-O 13. Bd3 b5 14. Bxg6 fxg6
15. Be3 Be7 16. Ncd2 Rf5 17. O-O Raf8 18. Rad1 Bc8 19. Nd4 Nxd4 20. Bxd4 Bb7
21. Qe3 a6 22. Ne4 Bd5 23. a3 Rf4 24. Nd6 Qc6 25. f3 g5 26. h3 h5 27. Ne4 Bxe4
28. fxe4 Qxe4 29. Qxe4 Rxe4 30. Rxf8+ Kxf8 31. Kf1 g4 32. Rd3 Bh4 33. g3 Bg5
34. h4 Bc1 35. Bc5+ Ke8 36. Rd6 Rxe5 37. Bd4 Rf5+ 38. Ke2 e5 39. Bf2 Bxb2 40.
Rxa6 Bxc3 41. Rb6 Rxf2+ 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "2"]
[White "Cortlever, Nico"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[PlyCount "115"]

1. e4 c5 2. Ne2 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 O-O 8.
Bd3 d5 9. Nxd5 Nxd5 10. exd5 Bxd2+ 11. Nxd2 Qxd5 12. Qh5 h6 13. O-O-O Nc6 14.
Nc4 Qc5 15. Rhe1 Be6 16. Nd6 Nb4 17. Qxe5 Qxf2 18. a3 Nxd3+ 19. Rxd3 Rad8 20.
Rf3 Qxe1+ 21. Qxe1 Rxd6 22. Rd3 Rxd3 23. cxd3 Rd8 24. Qe3 Rd7 25. Kd2 h5 26.
Qe5 g6 27. Ke3 Kf8 28. Qf6 Bd5 29. g3 Bc6 30. d4 Rd5 31. Kd3 Ke8 32. Kc4 Rf5
33. Qd6 Bb5+ 34. Kb4 Bc6 35. Kc3 Rd5 36. Qc7 Rf5 37. b3 Rd5 38. a4 Rf5 39. Kb4
Rd5 40. Kc4 Rf5 41. Qd6 Rg5 42. b4 Rf5 43. h4 Bg2 44. Kc3 Bc6 45. Kc4 Bg2 46.
b5 axb5+ 47. axb5 Bf1+ 48. Kc3 Bg2 49. Kb4 Bf3 50. Qc7 Bd5 51. Qd6 Bf3 52. Kc4
Be2+ 53. Kc3 Bf3 54. Kb4 Bd5 55. Qc7 Bf3 56. Kc4 Be2+ 57. Kc3 Bf3 58. Kb4
1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "2"]
[White "Hamann, Svend"]
[Black "Van Geet, Dick"]
[Result "1-0"]
[PlyCount "121"]

1. c4 b6 2. Nc3 Bb7 3. d4 Nf6 4. f3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 e5 8.
Be3 exd4 9. cxd4 Bb4+ 10. Kf2 O-O 11. Bc4 Qh4+ 12. g3 Qe7 13. Ne2 Nd7 14. Qb3
Rae8 15. a3 Bd6 16. Rhe1 Kh8 17. e5 Bxe5 18. dxe5 Nxe5 19. Ng1 Qf6 20. Bf4 Ng6
21. Ne2 Nxf4 22. Nxf4 g5 23. Ne2 g4 24. Rac1 gxf3 25. Qc3 Qe5 26. Qxe5+ Rxe5
27. Nd4 Ra5 28. Re3 f5 29. Ne6 Re8 30. Rcc3 c5 31. Ng5 Rxe3 32. Rxe3 b5 33. Re7
bxc4 34. Rxb7 Rxa3 35. Nxf3 c3 36. Rc7 Ra5 37. Ke3 c2 38. Kd2 Ra3 39. Ng5 Rc3
40. Kc1 h6 41. Rh7+ Kg8 42. Rxh6 a5 43. Rg6+ Kf8 44. Rf6+ Kg7 45. Rxf5 Kg6 46.
Rf3 Rc4 47. Ne6 Re4 48. Nf4+ Kg5 49. Kxc2 Kg4 50. Rc3 c4 51. h3+ Kf5 52. Ra3
Re5 53. Ra4 Re3 54. Rxa5+ Ke4 55. Rg5 Kd4 56. Rg8 Rf3 57. Re8 Rc3+ 58. Kd2 Ra3
59. Ne2+ Kc5 60. Nc3 Rb3 61. Kc2 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "2"]
[White "Piket, Joop J"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[PlyCount "63"]

1. c4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Bd3 O-O 7. Bg5 h6 8. Bh4 e5
9. dxe6 Bxe6 10. f4 Re8 11. Nf3 Bg4 12. O-O Qd7 13. h3 Bxf3 14. Qxf3 Nc6 15.
Rae1 a6 16. Kh1 b5 17. cxb5 Nd4 18. Qd1 axb5 19. e5 dxe5 20. Bxf6 Bxf6 21. Bxb5
Qb7 22. Bxe8 Rxe8 23. Ne4 Be7 24. fxe5 Qxb2 25. Qa4 Rf8 26. Rf2 Qb7 27. Qc4 Qc6
28. Nf6+ Kg7 29. Ref1 Ne6 30. Nh7 Kxh7 31. Rxf7+ Kh8 32. Rxe7 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "2"]
[White "Tatai, Stefano"]
[Black "Timman, Jan"]
[Result "1-0"]
[PlyCount "81"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Nf6 5. Nbd2 O-O 6. Be2 Nc6 7. O-O e5 8. dxe5
Nxe5 9. Nxe5 dxe5 10. Qc2 b6 11. Re1 Bb7 12. Bf1 Qd7 13. Nc4 Rfe8 14. f3 a5 15.
Be3 Qc6 16. Na3 Red8 17. Rad1 Bf8 18. Bb5 Qe6 19. Qb3 Qxb3 20. axb3 c6 21. Rxd8
Rxd8 22. Bxb6 Rd2 23. Nc4 Rc2 24. Ba4 Nd7 25. Be3 Nc5 26. Rc1 Rxc1+ 27. Bxc1
Nd3 28. Be3 Ba6 29. Nxa5 Nxb2 30. Nxc6 Nd1 31. Bb6 Nxc3 32. Nxe5 Bd6 33. Ng4
Bd3 34. e5 Be7 35. Ne3 Bg5 36. Bc6 Bf4 37. Nd5 Ne2+ 38. Kf2 Bxh2 39. f4 Nxf4
40. Nf6+ Kg7 41. Ng4 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "2"]
[White "Van der Weide, Piet"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[PlyCount "52"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8.
Be2 Bg7 9. O-O O-O 10. Qe3 Bd7 11. Bd2 a6 12. a4 a5 13. Ra3 Bc6 14. f4 e6 15.
Rd1 Qe7 16. Bf3 Nd7 17. Be1 Nc5 18. Nb5 Bxb2 19. Ra2 Bxb5 20. axb5 Bg7 21. Rxa5
Rxa5 22. Bxa5 Ra8 23. Bb6 Nd7 24. Bc7 e5 25. Bxd6 Qe6 26. c5 Bh6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "3"]
[White "Adorjan, Andras"]
[Black "Hamann, Svend"]
[Result "1-0"]
[PlyCount "55"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. a3 Nc5 14. h4 Bd7 15.
f5 Qb6 16. b4 Rc8 17. Bh3 O-O 18. f6 Bd8 19. fxg7 Kxg7 20. Nd5 exd5 21. bxc5
Qxc5 22. Bxd7 dxe4 23. Qb3 Rc7 24. Qb2 Kg8 25. Nf5 f6 26. Rxd6 Qf2 27. Be6+ Kh8
28. Rxd8 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "3"]
[White "Marovic, Drazen"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[PlyCount "60"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 c5 6. cxd5 Nxc3 7. bxc3 Qxd5 8.
e3 Bg7 9. Qf3 Be6 10. Bb5+ Kf8 11. Qxd5 Bxd5 12. Nf3 Nc6 13. O-O a6 14. Be2
cxd4 15. cxd4 e5 16. dxe5 Nxe5 17. Nd4 Nc6 18. Nxc6 Bxc6 19. Rac1 h6 20. Bf3
Bxf3 21. gxf3 g5 22. Bg3 Bf6 23. Rc7 Kg7 24. Rxb7 Rhd8 25. Rc1 h5 26. h3 h4 27.
Bh2 Rd2 28. Rcc7 Rxa2 29. Rxf7+ Kg6 30. f4 Rd8 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "3"]
[White "Prins, Lodewijk"]
[Black "Bednarski, Jacek B"]
[Result "1/2-1/2"]
[PlyCount "64"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nf6 5. Be2 d5 6. exd5 exd5 7. d4 Be6 8.
cxd5 Nxd5 9. O-O h6 10. Re1 Be7 11. Nxd5 Qxd5 12. Be3 cxd4 13. Nxd4 Nxd4 14.
Bxd4 O-O 15. Bf3 Qd7 16. Bc3 Rfd8 17. Qe2 Rac8 18. Qe4 b6 19. Rad1 Qc7 20. Bg4
Rxd1 21. Rxd1 Qc6 22. Qe2 Rd8 23. Re1 Bxg4 24. Qxe7 Qd7 25. Qe5 f6 26. Qg3 Kh7
27. h3 Bf5 28. Qe3 Qd5 29. Qf4 Rd7 30. a3 Bg6 31. h4 Qf5 32. Qa4 Bf7 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "3"]
[White "Timman, Jan"]
[Black "Cortlever, Nico"]
[Result "1/2-1/2"]
[PlyCount "78"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 Bg4 7. c3 Ne7 8. Be3
Ng6 9. Nbd2 Bd6 10. Qb3 Qc8 11. dxe5 Be6 12. c4 fxe5 13. Ng5 b5 14. Nxe6 Qxe6
15. c5 Qxb3 16. Nxb3 Be7 17. Na5 Bf6 18. Rfd1 Ne7 19. Rd2 Rd8 20. Rad1 Rxd2 21.
Rxd2 h6 22. f4 exf4 23. Bxf4 Bg5 24. Bxg5 hxg5 25. Nb7 Kf7 26. Nd8+ Kf6 27.
Rf2+ Kg6 28. Ne6 Rh4 29. Re2 Kf6 30. g3 Rh8 31. Nxc7 Ke5 32. Nxa6 Rd8 33. Rf2
g6 34. Nb4 Rd4 35. Rf7 Rd1+ 36. Kg2 Ke6 37. Rh7 Rd2+ 38. Kh3 Rxb2 39. a3 Re2
1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "3"]
[White "Van Geet, Dick"]
[Black "Piket, Joop J"]
[Result "0-1"]
[PlyCount "80"]

1. b3 Nf6 2. Bb2 g6 3. e4 d6 4. g3 Bg7 5. Bg2 O-O 6. Ne2 e5 7. O-O c5 8. Na3
Re8 9. Nc4 Nxe4 10. Bxe4 d5 11. Bg2 dxc4 12. bxc4 Nc6 13. Nc3 Be6 14. d3 Rc8
15. Rb1 b6 16. Re1 Qd7 17. Nd5 Rcd8 18. Qf3 Bxd5 19. cxd5 Nb4 20. c4 Nxa2 21.
Qd1 Nb4 22. Bc3 a5 23. Rb2 Re7 24. Rbe2 Rde8 25. Qb1 f5 26. h4 h5 27. Bh3 Kh7
28. f3 Qd6 29. Kh2 Bf6 30. Bd2 Bxh4 31. gxh4 e4+ 32. f4 e3 33. Rxe3 Qxf4+ 34.
Kg2 Rxe3 35. Bxe3 Rxe3 36. Rxe3 Qxe3 37. d6 Nxd3 38. d7 Nf4+ 39. Kf1 Qxh3+ 40.
Kf2 Qxh4+ 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "3"]
[White "Westerinen, Heikki"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[PlyCount "61"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. a4 Nf6 5. Nc3 e6 6. O-O Be7 7. e5 Nd5 8. Nxd5
exd5 9. d4 Nxd4 10. Nxd4 cxd4 11. f4 O-O 12. Bd3 d6 13. e6 fxe6 14. Qh5 h6 15.
f5 exf5 16. Bxh6 Bf6 17. Rae1 Qc7 18. Bf4 Be5 19. g4 Qe7 20. g5 g6 21. Qxg6+
Qg7 22. Qxg7+ Kxg7 23. Bxe5+ dxe5 24. Rxe5 Kg6 25. h4 Rd8 26. Re7 a6 27. Kh2
Rb8 28. Kg3 Rh8 29. Rh1 b6 30. Kf4 Ra8 31. Be2 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "4"]
[White "Cortlever, Nico"]
[Black "Bednarski, Jacek B"]
[Result "1/2-1/2"]
[PlyCount "112"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. g3 d6 7. Bg2 Bd7 8. O-O
Be7 9. Be3 Nf6 10. h3 Qc7 11. Nde2 b5 12. a3 h5 13. f4 Rb8 14. Qd2 Bc8 15. Nc1
Na5 16. Nd3 Nc4 17. Qf2 Nxe3 18. Qxe3 Qb6 19. Qxb6 Rxb6 20. e5 Nd7 21. exd6
Bxd6 22. Ne4 Be7 23. Rae1 O-O 24. f5 Nf6 25. fxe6 Rxe6 26. Nf4 Re5 27. Nxf6+
Bxf6 28. Nd5 Rfe8 29. Nxf6+ gxf6 30. Rd1 Kg7 31. Rd2 Rg5 32. Kh2 Rc5 33. Rf4
Re3 34. Rdf2 f5 35. Bf3 Be6 36. Bxh5 Re1 37. c3 Rce5 38. Bf3 Rb1 39. Rd4 Ree1
40. h4 Bc4 41. Bb7 Be2 42. Rxf5 Rxb2 43. Kh3 Bc4 44. Bd5 Bxd5 45. Rdxd5 Rbe2
46. Rd7 Re7 47. Rxe7 Rxe7 48. Rc5 Re4 49. Rg5+ Kh7 50. Rf5 Kg7 51. Rf4 Re3 52.
c4 bxc4 53. Rxc4 Rxa3 54. Rc6 Ra4 55. h5 Ra5 56. g4 Ra4 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "4"]
[White "Hamann, Svend"]
[Black "Westerinen, Heikki"]
[Result "1-0"]
[PlyCount "43"]

1. e4 g6 2. d4 Bg7 3. c4 Nc6 4. Be3 e5 5. dxe5 Nxe5 6. Nc3 Ne7 7. Be2 O-O 8. f4
N5c6 9. g4 f5 10. gxf5 gxf5 11. e5 d6 12. exd6 cxd6 13. Nf3 Be6 14. Ng5 Qd7 15.
Qd2 Rac8 16. Rg1 Rfd8 17. Nd5 Kh8 18. Kf2 h6 19. Nxe6 Qxe6 20. Rxg7 Kxg7 21.
Qc3+ Kf7 22. Bh5+ 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "4"]
[White "Piket, Joop J"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[PlyCount "104"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Bc4 Qc7 6. Qe2 Nb6 7. Bb3 d3 8. Qe4
Na6 9. Bf4 Qc6 10. Nd2 Nc5 11. Qf3 Qxf3 12. Ngxf3 f6 13. O-O d6 14. exd6 e5 15.
Be3 Bxd6 16. Rfe1 Nxb3 17. axb3 Bc7 18. Bxb6 Bxb6 19. Nc4 Bc7 20. Rad1 Bd7 21.
Rxd3 O-O-O 22. Nd6+ Bxd6 23. Rxd6 Bg4 24. Rxd8+ Rxd8 25. Ra1 a6 26. h3 Bh5 27.
g4 Bf7 28. b4 Rd3 29. Nh4 Rxh3 30. Nf5 Be6 31. Ne3 Rh6 32. Kg2 Rg6 33. Kf3 Rg5
34. Rh1 Rxg4 35. Rxh7 Rg5 36. Rh8+ Kc7 37. Re8 Bd7 38. Rf8 Bc6+ 39. Ke2 Kd6 40.
Rf7 Ke6 41. Rc7 Rg1 42. Kd2 g5 43. c4 f5 44. b5 axb5 45. cxb5 Bf3 46. Nc4 f4
47. Na5 Rd1+ 48. Kc2 Rd7 49. Rc8 g4 50. Nc4 Bd5 51. Nb6 Be4+ 52. Kc3 Rg7 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "4"]
[White "Tatai, Stefano"]
[Black "Van Geet, Dick"]
[Result "0-1"]
[PlyCount "63"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6 7. Bxc6 dxc6 8.
Nxe5 Nxe4 9. Re1 Nd6 10. Bf4 Qf6 11. Qd2 h6 12. Na3 Be6 13. Nd3 Rad8 14. Be5
Qf5 15. Nf4 Nc4 16. Qe2 Nxa3 17. Nxe6 Qxe6 18. bxa3 Rfe8 19. Qf1 Qf5 20. Qc4 c5
21. dxc5 Rxe5 22. Rxe5 Qxe5 23. cxb6 axb6 24. h3 Rd2 25. Rf1 Rc2 26. Qa4 Rxa2
27. Qa8+ Kh7 28. Qxb7 Rxa3 29. c4 Rc3 30. Qc6 Qf4 31. Qd5 Qxc4 32. Qf5+ 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "4"]
[White "Timman, Jan"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[PlyCount "81"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. Rc1 Nbd7 7. e3 a6 8. cxd5
exd5 9. Bd3 c6 10. Qc2 Re8 11. O-O Nf8 12. Ne5 Ng4 13. Bxe7 Qxe7 14. Nxg4 Bxg4
15. Na4 Rad8 16. Nc5 Rd6 17. Rfe1 Rh6 18. f3 Bc8 19. Qf2 Ne6 20. b4 Ng5 21. a4
f5 22. b5 axb5 23. axb5 Rf8 24. bxc6 bxc6 25. Ra1 Rg6 26. Kh1 Ne6 27. Nb3 Qd6
28. Ra8 Rh6 29. f4 Rhf6 30. Qc2 g6 31. Rc1 Bd7 32. Ra7 Rb8 33. Nd2 Rff8 34. Nf3
Rfc8 35. Ne5 Be8 36. g4 fxg4 37. f5 Ng5 38. fxg6 h5 39. Qf2 Nf3 40. Nxf3 gxf3
41. Qxf3 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "4"]
[White "Van der Weide, Piet"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[PlyCount "48"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. f4 exd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8.
Nf3 Be7 9. Bd2 O-O 10. O-O-O Re8 11. Rhe1 a5 12. h3 b5 13. g4 b4 14. Nd5 Nxd5
15. exd5 Bb5 16. g5 Qd7 17. Nh4 Bf8 18. Rg1 c5 19. dxc6 Bxc6 20. g6 hxg6 21. f5
Be4 22. fxg6 Rac8 23. c3 Qa4 24. gxf7+ Kh7 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "5"]
[White "Adorjan, Andras"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[PlyCount "71"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. a3 Rb8 14. h4 b4 15.
axb4 Rxb4 16. Bh3 Nc5 17. f5 Qb7 18. fxe6 fxe6 19. Rhf1 Rf8 20. Qe3 Rxf1 21.
Rxf1 Qb6 22. Qf2 Rxd4 23. Nd5 Rxd5 24. exd5 Na4 25. Qxb6 Nxb6 26. dxe6 h6 27.
Rf7 hxg5 28. h5 Nd5 29. Rxg7 Bf8 30. Rg8 Ke7 31. Rh8 Nf6 32. Bf5 g4 33. Kd2 g3
34. Ke2 Bb7 35. h6 Nh5 36. Rh7+ 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "5"]
[White "Bednarski, Jacek B"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[PlyCount "77"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8.
Be3 Qc7 9. f4 d6 10. Qf3 a6 11. O-O O-O 12. g4 Nd7 13. g5 Nb4 14. Qh5 Re8 15.
Rf3 g6 16. Qh6 Bf8 17. Qh4 Bg7 18. Raf1 Nxd3 19. cxd3 Nf8 20. Rc1 Qd8 21. e5 d5
22. Rh3 Bd7 23. Bc5 Rc8 24. Qf2 Rc6 25. Bd4 Qc7 26. Re1 Rc8 27. a3 b5 28. Na1
Qb7 29. Nc2 a5 30. Ne3 b4 31. axb4 axb4 32. Ne2 Be8 33. Qh4 Qe7 34. Ng4 h5 35.
Nf6+ Kh8 36. Ng3 Rc1 37. Ngxh5 Bh6 38. Ng3 Rxe1+ 39. Kf2 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "5"]
[White "Marovic, Drazen"]
[Black "Cortlever, Nico"]
[Result "1/2-1/2"]
[PlyCount "60"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. b3 Ne4 8. Bb2 a5
9. Nbd2 Nxd2 10. Nxd2 Na6 11. e3 Bf5 12. a3 Qd7 13. Qe2 b5 14. e4 dxe4 15. Nxe4
a4 16. cxb5 cxb5 17. bxa4 bxa4 18. Nc5 Nxc5 19. dxc5 Bd3 20. Qd2 Bxb2 21. Qxb2
Bxf1 22. Bxa8 Rxa8 23. Rxf1 h5 24. Rc1 Rc8 25. Qe5 Qd2 26. Rc4 Qd3 27. Rc3 Qb1+
28. Kg2 Qb7+ 29. Kg1 Qb1+ 30. Kg2 Qb7+ 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "5"]
[White "Prins, Lodewijk"]
[Black "Hamann, Svend"]
[Result "0-1"]
[PlyCount "144"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 Qb6 7. Nc2 g6 8. Nc3
Bg7 9. Ne3 O-O 10. Be2 Nh5 11. Ned5 Qd8 12. O-O e6 13. Nf4 Nxf4 14. Bxf4 Qb6+
15. Kh1 Qxb2 16. Nb5 Qxa1 17. Qxa1 Bxa1 18. Rxa1 e5 19. Bh6 Rd8 20. Nc7 Be6 21.
Nxa8 Rxa8 22. Rc1 b6 23. Kg1 Rc8 24. Bd2 Nd4 25. Bf1 Kf8 26. Kf2 Ke7 27. Ke3
Nc6 28. g3 Kd7 29. Bd3 Rc7 30. h4 Na5 31. Bxa5 bxa5 32. f4 f6 33. f5 gxf5 34.
exf5 Bf7 35. g4 h6 36. Kd2 d5 37. c5 Kc6 38. a4 Rb7 39. Bb5+ Kc7 40. Rg1 a6 41.
Bxa6 Rb2+ 42. Kc3 Ra2 43. g5 hxg5 44. hxg5 fxg5 45. Rxg5 Kc6 46. f6 Rf2 47.
Rxe5 Kxc5 48. Re2 Rxf6 49. Bb5 Rf3+ 50. Kd2 Kb4 51. Rg2 Rf4 52. Ke3 Re4+ 53.
Kd3 Rh4 54. Rb2+ Ka3 55. Rg2 Be6 56. Rf2 Bg8 57. Kc3 d4+ 58. Kd2 Kb4 59. Rf1
Bh7 60. Rf2 Be4 61. Re2 Rg4 62. Rh2 Rg2+ 63. Rxg2 Bxg2 64. Kd3 Kc5 65. Kc2 Bc6
66. Bd3 Bxa4+ 67. Kb2 Kb4 68. Bf5 Bb3 69. Bg6 a4 70. Bf5 a3+ 71. Ka1 Kc3 72.
Bg6 Bc2 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "5"]
[White "Van Geet, Dick"]
[Black "Timman, Jan"]
[Result "0-1"]
[PlyCount "45"]

1. d4 Nf6 2. Nc3 g6 3. Bg5 Bg7 4. Qd2 h6 5. Bf4 d6 6. O-O-O Nh5 7. Be3 c6 8. h3
Qa5 9. g4 Nf6 10. Bg2 b5 11. Kb1 b4 12. Ne4 Nd5 13. Nf3 f5 14. gxf5 gxf5 15.
Ng3 Nc3+ 16. bxc3 bxc3 17. Qc1 Na6 18. Nd2 cxd2 19. Qxd2 Rb8+ 20. Ka1 Nb4 21.
c4 f4 22. Bxf4 Bxd4+ 23. Kb1 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "5"]
[White "Westerinen, Heikki"]
[Black "Piket, Joop J"]
[Result "1/2-1/2"]
[PlyCount "80"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 Be7 10. f5 Nxd4 11. Qxd4 exf5 12. Bc4 O-O 13. exf5 Bxf5 14.
Rhe1 h6 15. Rxe7 Qxe7 16. Nd5 Qe4 17. Qxe4 Bxe4 18. Bxf6 Bxd5 19. Bxd5 gxf6 20.
Bxb7 Ra7 21. Bf3 Rd8 22. b4 Rc7 23. a3 Kf8 24. Rd5 Ke7 25. Ra5 Rdc8 26. Be4 Rc4
27. Bd3 R4c6 28. Kb2 Rg8 29. Rh5 Rh8 30. Kb3 Ke6 31. Be4 Rc7 32. Ra5 Ra7 33. c4
Kd7 34. Kc3 Re8 35. Bd5 Re5 36. Ra4 Rh5 37. h3 Rg5 38. Kd4 Kc7 39. Bf3 Kb6 40.
h4 Rf5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "6"]
[White "Cortlever, Nico"]
[Black "Van der Weide, Piet"]
[Result "1/2-1/2"]
[PlyCount "81"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 d6 6. Be3 Nf6 7. Be2 Be7 8.
O-O O-O 9. Kh1 Qc7 10. Ndb5 Qb8 11. a4 b6 12. f4 a6 13. Na3 Qc7 14. Bf3 Rb8 15.
Qe2 Nb4 16. Rad1 Bb7 17. Rd4 d5 18. e5 Nd7 19. Rd2 Nc5 20. Qf2 Rfd8 21. Bd4 g6
22. Qe3 Nc6 23. g4 Nxd4 24. Rxd4 f6 25. Ne2 fxe5 26. fxe5 Nd7 27. Nf4 Bc5 28.
Nxe6 Bxd4 29. Qxd4 Qxe5 30. Qxe5 Nxe5 31. Nxd8 Rxd8 32. Kg1 Kg7 33. Be2 Re8 34.
Kf2 d4 35. Rd1 Rf8+ 36. Kg3 Bf3 37. Rd2 g5 38. Bxa6 Bxg4 39. Be2 Rf4 40. Nc4
Nxc4 41. Bxc4 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "6"]
[White "Hamann, Svend"]
[Black "Bednarski, Jacek B"]
[Result "1-0"]
[PlyCount "113"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. e4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1
e5 9. d5 a5 10. O-O Na6 11. h3 Bxf3 12. Bxf3 f5 13. Rb1 Nac5 14. b3 b6 15. a3
Nf6 16. exf5 gxf5 17. b4 Ncd7 18. Qc2 Ne8 19. Be2 Qf6 20. Nb5 axb4 21. axb4 Bh6
22. f4 exf4 23. Bxf4 Ne5 24. Bd3 Bxf4 25. Rxf4 Nxd3 26. Qxd3 Ra1 27. Rxa1 Qxa1+
28. Rf1 Qe5 29. Nd4 Ng7 30. Nc6 Qf6 31. Re1 Re8 32. Rxe8+ Nxe8 33. Qe3 Kf7 34.
Kh2 Ng7 35. Qa3 Qh4 36. c5 bxc5 37. bxc5 Qf4+ 38. Kg1 dxc5 39. Qxc5 Qd6 40. Qd4
Qg3 41. Ne5+ Kg8 42. Nc6 Kf7 43. Qc4 Qd6 44. Nd4 Kg6 45. Nb5 Qb6+ 46. Kh2 Ne8
47. Qd3 Qf2 48. Qg3+ Qxg3+ 49. Kxg3 Kg5 50. Kf3 Kf6 51. Kf4 h6 52. g3 Ng7 53.
Nxc7 Nh5+ 54. Kf3 Ke5 55. Ne8 Kxd5 56. g4 fxg4+ 57. Kxg4 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "6"]
[White "Marovic, Drazen"]
[Black "Van Geet, Dick"]
[Result "1-0"]
[PlyCount "79"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 d6 4. Nc3 e5 5. d5 Ne7 6. g3 g6 7. Bg2 Bg7 8. O-O
O-O 9. e4 Nd7 10. Be3 b6 11. b4 Ba6 12. Qb3 h6 13. Rfd1 f5 14. c5 bxc5 15. bxc5
fxe4 16. Nd2 Nf5 17. Ndxe4 Nd4 18. Qa4 Bc8 19. Qa5 dxc5 20. Nxc5 Nxc5 21. Qxc5
Bg4 22. Rxd4 exd4 23. Bxd4 Qd6 24. Qc4 Bxd4 25. Qxd4 Bf3 26. Re1 Qf6 27. Qd2
Bxg2 28. Re6 Qf5 29. Kxg2 Rad8 30. Qe3 Rd7 31. Re5 Qf6 32. Re6 Qf5 33. Re5 Qf7
34. Ne4 Kg7 35. Nc5 Rdd8 36. Ne6+ Kg8 37. Nxd8 Rxd8 38. Qxa7 Rf8 39. Qe3 Rd8
40. h4 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "6"]
[White "Piket, Joop J"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[PlyCount "68"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. c3 h6 5. d4 Qf6 6. d5 Nb8 7. Bd3 Ne7 8. Be3 g5
9. h4 g4 10. Nfd2 h5 11. g3 Bh6 12. Nf1 Nd7 13. Nbd2 Qg6 14. Bxh6 Qxh6 15. Ne3
O-O 16. b4 a5 17. a4 c6 18. dxc6 bxc6 19. O-O Bb7 20. Nb3 axb4 21. cxb4 Rad8
22. b5 cxb5 23. axb5 d5 24. exd5 Nxd5 25. Nxd5 Bxd5 26. Bh7+ Qxh7 27. Qxd5 Qg7
28. Rfe1 Rfe8 29. Qc6 e4 30. Qc2 Ne5 31. Rxe4 Nf3+ 32. Kg2 Rxe4 33. Qxe4 Qxa1
34. Nxa1 Rd1 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "6"]
[White "Tatai, Stefano"]
[Black "Westerinen, Heikki"]
[Result "1-0"]
[PlyCount "84"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 Bg4 7. c3 Bd6 8. Be3
Nh6 9. dxe5 fxe5 10. h3 Bh5 11. Nbd2 Nf7 12. Qb3 Qc8 13. c4 c5 14. Qa4+ c6 15.
b4 b5 16. Qb3 cxb4 17. c5 Bc7 18. Qxb4 a5 19. Qb2 a4 20. Nh4 Qd7 21. Nf5 O-O-O
22. Nc4 Qd3 23. Nb6+ Kb7 24. Ng3 Bg6 25. Nxa4 h5 26. Nc3 Ba5 27. Rfc1 Ka6 28.
Qb3 Rhe8 29. Nd5 Qxb3 30. axb3 cxd5 31. b4 d4 32. Bd2 h4 33. Rxa5+ Kb7 34.
Rxb5+ Kc7 35. Nf5 Bxf5 36. exf5 Rb8 37. Ra5 Kc6 38. Ra6+ Kd5 39. f3 Re7 40. c6
Rc7 41. Rc5+ Kd6 42. Kf2 Nd8 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "6"]
[White "Timman, Jan"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[PlyCount "36"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8.
Nb3 Qxd1 9. Rxd1 Bd7 10. Nc3 O-O-O 11. Bf4 Be6 12. Rxd8+ Kxd8 13. Rd1+ Kc8 14.
Nd5 Bxd5 15. exd5 Bd6 16. Bxd6 cxd6 17. Re1 Kd7 18. Na5 Ne7 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "7"]
[White "Adorjan, Andras"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[PlyCount "32"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bd3 Ngf6 7. O-O Nxe4 8.
Bxe4 c5 9. c3 Nf6 10. Bd3 cxd4 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. Qxd4 Qxd4 14.
Nxd4 a6 15. Bg5 Nd5 16. Bxe7 Kxe7 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "7"]
[White "Bednarski, Jacek B"]
[Black "Piket, Joop J"]
[Result "1/2-1/2"]
[PlyCount "41"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. Bb3 g6 8. f3
Bg7 9. Be3 O-O 10. Qe2 Qa5 11. O-O-O Rfc8 12. Kb1 Ne5 13. g4 Rxc3 14. Bd2 Rac8
15. Bxc3 Rxc3 16. bxc3 Qxc3 17. Qd2 Qc5 18. Rhe1 a5 19. g5 Ne8 20. a4 Nc7 21.
f4 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "7"]
[White "Prins, Lodewijk"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[PlyCount "32"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 e6 7. Nc3 Be7 8. Be3
O-O 9. Be2 d5 10. cxd5 exd5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Nxc6 Qxc6 14. O-O
Bc5 15. Bxc5 Qxc5+ 16. Kh1 Be6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "7"]
[White "Van Geet, Dick"]
[Black "Cortlever, Nico"]
[Result "1/2-1/2"]
[PlyCount "28"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nf6 4. Nxf6+ gxf6 5. b3 Qd5 6. Bb2 Bf5 7. Be2 Rg8
8. Bf3 Be4 9. Qe2 f5 10. O-O-O Nc6 11. Bxe4 fxe4 12. f3 exf3 13. Nxf3 O-O-O 14.
Rhf1 e5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "7"]
[White "Van der Weide, Piet"]
[Black "Hamann, Svend"]
[Result "0-1"]
[PlyCount "75"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Qc7 8. Be3
b5 9. Bd3 Bb7 10. a3 Nbd7 11. g4 e5 12. Nde2 exf4 13. Qxf4 Ne5 14. Rg1 d5 15.
exd5 Bd6 16. Bf5 Nd3+ 17. Bxd3 Bxf4 18. Bxf4 Qb6 19. O-O-O Nxd5 20. Nxd5 Bxd5
21. Rg3 Be6 22. Be4 O-O 23. Rd6 Qc5 24. Rgd3 Rac8 25. Nd4 Rfd8 26. Nc6 Rxd6 27.
Rxd6 g5 28. b4 Qf2 29. Bd2 Re8 30. Kb2 Qxh2 31. Rd4 h6 32. Bc3 Kf8 33. Rd2 Qf4
34. Bh7 Qc4 35. Ne5 Qa2+ 36. Kc1 Qxa3+ 37. Bb2 Qxb4 38. Kd1 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "7"]
[White "Westerinen, Heikki"]
[Black "Timman, Jan"]
[Result "0-1"]
[PlyCount "86"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. a4 Bg7 6. Qd2 Ng4 7. Bg5 h6 8. Bh4 a5
9. Bc4 Nf6 10. f3 g5 11. Bf2 d5 12. Bb3 dxe4 13. O-O-O Bf5 14. h4 exf3 15. Nxf3
g4 16. Ne5 e6 17. h5 Nbd7 18. Nc4 Nb6 19. Nxb6 Qxb6 20. d5 Qb4 21. dxe6 Bxe6
22. Qe3 O-O 23. Bxe6 Rae8 24. Rd4 Rxe6 25. Rxb4 Rxe3 26. Rxb7 Re5 27. Rc7 Rxh5
28. Rxh5 Nxh5 29. Rxc6 f5 30. Nd5 f4 31. Rc5 g3 32. Bg1 f3 33. gxf3 Rxf3 34.
Ne7+ Kh7 35. Rf5 Nf4 36. Kd2 Rf1 37. Nd5 Rxg1 38. Rxf4 g2 39. Rg4 h5 40. Rg3 h4
41. Rg4 h3 42. Ke2 h2 43. Rh4+ Kg8 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "8"]
[White "Cortlever, Nico"]
[Black "Hamann, Svend"]
[Result "1-0"]
[PlyCount "119"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. c3 b6 7. Ne5 d5 8. Be3
Na6 9. a4 Bb7 10. Na3 Ne8 11. Nd3 cxd4 12. Bxd4 f6 13. f4 Nd6 14. Qb3 e6 15.
Rad1 Qe7 16. Nb5 Nc4 17. e4 Na5 18. Qa2 dxe4 19. b4 Bd5 20. Qf2 Nc4 21. Rfe1 f5
22. Ne5 Bxe5 23. Bxe5 Nxe5 24. fxe5 Nc7 25. Nd6 Bb3 26. Ra1 Qg7 27. Qd4 Ne8 28.
Nb5 Rc8 29. Bf1 Bd5 30. c4 Bc6 31. c5 bxc5 32. Qxc5 Bb7 33. Qxa7 f4 34. gxf4
Rxf4 35. Ra2 Rg4+ 36. Rg2 Rxg2+ 37. Bxg2 Ra8 38. Qb6 Bd5 39. a5 Qxe5 40. Qd4
Qxd4+ 41. Nxd4 Nd6 42. Rc1 Kf7 43. Bf1 Ke8 44. a6 Kd7 45. b5 Nc8 46. Kf2 Rb8
47. Nc6 Ra8 48. Ke3 Kd6 49. Na5 Nb6 50. Nb7+ Bxb7 51. axb7 Nd5+ 52. Kxe4 Rb8
53. Rc6+ Kd7 54. Bh3 Nf6+ 55. Ke5 Rxb7 56. Rd6+ Kc7 57. Rc6+ Kd7 58. Kxf6 Rxb5
59. Rxe6 Kd8 60. Rd6+ 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "8"]
[White "Marovic, Drazen"]
[Black "Westerinen, Heikki"]
[Result "1-0"]
[PlyCount "81"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O Bg4 8. d5
Na5 9. Nd2 c5 10. h3 Bd7 11. Qc2 e5 12. dxe6 Bxe6 13. Rd1 Re8 14. Nb3 Bxc4 15.
Nxa5 Qxa5 16. Rxd6 Qc7 17. Rd1 Rad8 18. Bg5 Rxd1+ 19. Rxd1 Ba6 20. e4 Qc8 21.
Rd6 Re6 22. Nd5 Qf8 23. Rxe6 fxe6 24. Nxf6+ Bxf6 25. Bxf6 Qxf6 26. Qxc5 Qxb2
27. Qc8+ Kf7 28. Qd7+ Kf6 29. Qxh7 e5 30. Qg8 Qc1+ 31. Kh2 Qc7 32. h4 Bc4 33.
Qh8+ Qg7 34. Qb8 Bxa2 35. Qxa7 Be6 36. Qb6 g5 37. Qd8+ Qe7 38. hxg5+ Kf7 39.
Qb6 Qd7 40. Qc5 Qd1 41. Qxe5 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "8"]
[White "Piket, Joop J"]
[Black "Van der Weide, Piet"]
[Result "0-1"]
[PlyCount "56"]

1. c4 f5 2. Nc3 Nf6 3. d4 d6 4. e4 fxe4 5. f3 exf3 6. Nxf3 Bg4 7. h3 Bxf3 8.
Qxf3 Nc6 9. Be3 g6 10. Nd5 Bg7 11. Nf4 Qd7 12. d5 Nd8 13. Bd3 O-O 14. g4 e5 15.
Nxg6 hxg6 16. Bxg6 Nh5 17. Bf5 Rxf5 18. gxf5 Nf4 19. Qe4 Bh6 20. Rg1+ Kh8 21.
Bxf4 Bxf4 22. f6 Qf7 23. Qf5 Bh6 24. Rg6 Qh7 25. Ke2 Nf7 26. Rag1 Rf8 27. R1g4
Bf4 28. Rg7 Qxf5 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "8"]
[White "Tatai, Stefano"]
[Black "Bednarski, Jacek B"]
[Result "1/2-1/2"]
[PlyCount "27"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. exd5 Qxd5 6. Ngf3 exd4 7. Bc4 Qh5 8.
O-O Nf6 9. cxd4 Be7 10. Be2 Qd5 11. Nc4 O-O 12. Ne3 Qd6 13. Bc4 Na5 14. Bd3
1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "8"]
[White "Timman, Jan"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[PlyCount "67"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. O-O Ngf6 5. d3 Bd6 6. Nbd2 O-O 7. e4 c6 8. b3
Re8 9. Bb2 dxe4 10. dxe4 Nb6 11. Qe2 Qe7 12. a4 a5 13. Ne1 Bc5 14. Nd3 Bg4 15.
Qe1 Bd4 16. Bxd4 exd4 17. f4 Bc8 18. h3 Qc7 19. Qf2 c5 20. Rfe1 Rd8 21. f5 c4
22. bxc4 Nxc4 23. e5 Ne8 24. Nxc4 Qxc4 25. g4 Ra6 26. Nf4 Rb6 27. Qh4 f6 28.
exf6 Nxf6 29. g5 Qc5 30. gxf6 Rxf6 31. Nh5 Rff8 32. f6 g6 33. f7+ Kh8 34. Qf6#
1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "8"]
[White "Van Geet, Dick"]
[Black "Adorjan, Andras"]
[Result "1-0"]
[PlyCount "91"]

1. Nf3 g6 2. g3 Bg7 3. d4 Nf6 4. Bg2 O-O 5. O-O d6 6. b3 c5 7. Bb2 Na6 8. Nc3
cxd4 9. Qxd4 Bg4 10. h3 Bxf3 11. exf3 Nd7 12. Qd2 Qa5 13. Rad1 Rac8 14. Nd5 Qd8
15. Bxg7 Kxg7 16. c4 Nac5 17. Rfe1 e6 18. Ne3 Ne5 19. f4 Nc6 20. Qxd6 Qxd6 21.
Rxd6 a5 22. Nc2 Nb4 23. Nxb4 axb4 24. Rb6 Rfd8 25. Re2 Rd1+ 26. Kh2 Rcd8 27.
Rxb4 R8d2 28. Rxd2 Rxd2 29. Rb5 Nd3 30. a4 Rxf2 31. Kg1 Ra2 32. Bxb7 h5 33. h4
Kf6 34. a5 e5 35. Be4 Nc1 36. fxe5+ Ke6 37. Kf1 Ne2 38. Bd5+ Kf5 39. Bxf7 Nxg3+
40. Ke1 Kf4 41. e6 Ne4 42. Bxg6 Ke3 43. Bxh5 Ra1+ 44. Bd1 Nc3 45. Re5+ Kf4 46.
Rd5 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "9"]
[White "Adorjan, Andras"]
[Black "Cortlever, Nico"]
[Result "1-0"]
[PlyCount "67"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Qe2 Be7
8. Bxc6 bxc6 9. d4 O-O 10. Bg5 Qe6 11. Bxe7 Qxe7 12. dxe5 Rb8 13. c3 d6 14. O-O
Bg4 15. Qc4+ Be6 16. Qxc6 d5 17. Nd4 Rb6 18. Qa4 Bd7 19. Qxa7 Qxe5 20. Rae1 Qg5
21. f4 Qd8 22. b4 Bc8 23. Re5 Qd6 24. Qa5 Ba6 25. Nf5 Rb5 26. Qxb5 Bxb5 27.
Nxd6 Bxf1 28. Re8 Bd3 29. Rxf8+ Kxf8 30. Nb7 Ke7 31. Kf2 Kf6 32. a4 Kf5 33. Nc5
Bc4 34. Ke3 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "9"]
[White "Bednarski, Jacek B"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[PlyCount "114"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3
O-O 9. Be3 Nc6 10. Rc1 e5 11. Be2 Bf5 12. O-O e4 13. Ne1 d5 14. c5 Nc8 15. Nc2
b6 16. b4 bxc5 17. bxc5 Be6 18. Rb1 N8e7 19. Nb4 Nxb4 20. Rxb4 f5 21. Qd2 Nc6
22. Ra4 f4 23. Bxf4 Rxf4 24. Qxf4 Bxd4 25. Rxd4 Nxd4 26. Qe5 Nxe2+ 27. Nxe2 Bf7
28. Nd4 Qb8 29. Qe7 Qd8 30. Qxd8+ Rxd8 31. Rb1 Rc8 32. c6 Be8 33. Rc1 Kf8 34.
Rc5 a6 35. Kh2 Ke7 36. Rxd5 Bxc6 37. Re5+ Kd6 38. Nxc6 Rxc6 39. Rxe4 Rc2 40.
Ra4 Rxf2 41. Rxa6+ Ke5 42. Ra3 Rc2 43. Kg3 h5 44. Kf3 Kf6 45. g3 Kf5 46. Ra5+
Kf6 47. g4 hxg4+ 48. hxg4 Rc3+ 49. Kg2 g5 50. Rf5+ Kg6 51. Rf3 Rc2+ 52. Rf2 Rc4
53. Kf3 Rf4+ 54. Kg3 Ra4 55. Rg2 Ra3+ 56. Kh2 Ra4 57. Kg1 Kf6 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "9"]
[White "Hamann, Svend"]
[Black "Piket, Joop J"]
[Result "0-1"]
[PlyCount "116"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 O-O 7. Nf3 Ne8 8. h3 Nd7
9. g4 Kh8 10. Qc2 Ndf6 11. a3 Bd7 12. b4 b6 13. Be3 g6 14. Nd2 Ng8 15. f4 exf4
16. Bxf4 Bh4+ 17. Kd1 Bg5 18. Bh2 Qf6 19. Rf1 Ba4 20. Nb3 Bxb3 21. Qxb3 Qd4 22.
Rf3 Qg7 23. Kc2 f6 24. Raf1 Qe7 25. bxc5 bxc5 26. Bg3 Bh6 27. Rb1 Rd8 28. Ne2
Bg7 29. Nf4 Nc7 30. Qb7 Rd7 31. Qc6 Nh6 32. Ne2 Nf7 33. h4 Na8 34. Nc3 Nb6 35.
a4 Rc7 36. Qb5 Nd7 37. Rff1 Nde5 38. Be2 Nh6 39. Qa6 Rd7 40. Rf4 Rfd8 41. Qb5
g5 42. Rff1 Nhxg4 43. Rh1 Nh6 44. a5 Ng6 45. h5 Nf4 46. Bxf4 gxf4 47. Bd3 Qe5
48. Rbe1 f5 49. Na4 Ng4 50. exf5 Ne3+ 51. Kd2 Qd4 52. h6 Bf6 53. Rhg1 Re7 54.
Rh1 Ree8 55. Qa6 Rb8 56. Rb1 Rxb1 57. Rxb1 Rg8 58. Re1 f3 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "9"]
[White "Prins, Lodewijk"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[PlyCount "81"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Nf3
b6 9. Bb5+ c6 10. Bd3 Ba6 11. Qe2 Qc8 12. c4 O-O 13. O-O dxc4 14. Bxe4 c3 15.
Bd3 Bxd3 16. Qxd3 cxd2 17. Nxd2 c5 18. Ne4 cxd4 19. f4 Nd7 20. Qxd4 Nc5 21. Nd6
Qc7 22. a4 f6 23. a5 fxe5 24. Qxe5 Rad8 25. Rad1 Qc6 26. f5 Qd7 27. axb6 axb6
28. Rd4 Qe7 29. Rb1 Qf6 30. Qxf6 Rxf6 31. Rxb6 exf5 32. Nxf5 Rxd4 33. Rb8+ Kh7
34. Nxd4 Rd6 35. Rb4 Ne4 36. h4 Rd7 37. Rc4 Nd2 38. Rb4 Ne4 39. Kh2 g5 40. Ne6
Nf6 41. Nf8+ 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "9"]
[White "Van der Weide, Piet"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[PlyCount "74"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 Nbd7 8.
O-O b5 9. a4 b4 10. Na2 Bb7 11. Qe2 g6 12. Kh1 e5 13. Nb3 a5 14. c3 Bg7 15.
cxb4 axb4 16. Nxb4 O-O 17. f5 Rfb8 18. fxg6 hxg6 19. Bd2 d5 20. exd5 Nxd5 21.
Bb5 Nf4 22. Bxf4 exf4 23. Qd2 f3 24. gxf3 Ne5 25. Rac1 Qb6 26. Nd5 Qe6 27. Rc5
Rd8 28. Rd1 Nxf3 29. Qd3 Qh3 30. Qe2 Nd4 31. Nxd4 Rxd5 32. Bc6 Bxc6 33. Nxc6
Rxc5 34. Qe4 Rf8 35. b4 Rh5 36. Qf4 Qb3 37. Rd2 Qxa4 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "9"]
[White "Westerinen, Heikki"]
[Black "Van Geet, Dick"]
[Result "1/2-1/2"]
[PlyCount "71"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nf6 5. d3 Nd4 6. Bc4 d6 7. c3 Nxf3+ 8.
Qxf3 Bg4 9. Qg3 Qd7 10. h3 h5 11. d4 exd4 12. cxd4 Bxd4 13. Qd3 Bb6 14. hxg4
hxg4 15. e5 dxe5 16. Qxd7+ Kxd7 17. Rd1+ Ke7 18. Be3 Bxe3 19. fxe3 Rh4 20. Nc3
c6 21. Bd3 g3 22. Kf1 Rh2 23. Bf5 Rah8 24. Bh3 Rh6 25. Kg1 g5 26. Rf1 g4 27.
Rxf6 Rxf6 28. Bxg4 Rf2 29. Bh3 f5 30. Re1 Kf7 31. b3 f4 32. exf4 exf4 33. Ne4
Rxa2 34. Nd6+ Kg6 35. Re6+ Kg7 36. Re7+ 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "10"]
[White "Adorjan, Andras"]
[Black "Westerinen, Heikki"]
[Result "0-1"]
[PlyCount "80"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3
O-O 9. d4 Bb6 10. Bg5 h6 11. Bh4 Re8 12. a4 d6 13. axb5 axb5 14. Rxa8 Bxa8 15.
Bxf6 Qxf6 16. d5 Na7 17. Na3 g5 18. Rf1 Bb7 19. Qd3 Kh8 20. Nxb5 Nxb5 21. Qxb5
Rg8 22. Ne1 Bc8 23. Qe2 Qg6 24. Kh1 h5 25. Bd1 Rg7 26. Qxh5+ Qxh5 27. Bxh5 Ba6
28. Kg1 g4 29. Nc2 Kh7 30. Re1 Kh6 31. Nb4 Bc4 32. Bxg4 Rxg4 33. g3 f5 34. exf5
Kg5 35. Kg2 Kxf5 36. f3 Rg8 37. Re4 Bb3 38. g4+ Kf6 39. Kg3 Ra8 40. f4 Ra1 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "10"]
[White "Cortlever, Nico"]
[Black "Piket, Joop J"]
[Result "1-0"]
[PlyCount "80"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Nf6 8.
Nc3 Qe7 9. Qxe7+ Nxe7 10. Bg5 b5 11. Bd3 Bb7 12. f4 h6 13. Bh4 Ng6 14. Bxf6
gxf6 15. fxe5 fxe5 16. O-O d6 17. g3 Ke7 18. Rf2 Rh7 19. h4 Rg7 20. Kh2 Nf8 21.
Nd1 Bc8 22. Ne3 Be6 23. a4 b4 24. a5 Nd7 25. Bc4 Nc5 26. Bd5 Rb8 27. Raf1 Rb5
28. Nf5+ Bxf5 29. Rxf5 Ne6 30. Bxe6 fxe6 31. Rf8 Rc5 32. Ra8 Rxc2+ 33. Kh3 Rc7
34. Rxa6 Rg8 35. Rb6 Ra8 36. a6 h5 37. Ra1 d5 38. exd5 exd5 39. Ra5 Rd7 40. Rb7
Ke6 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "10"]
[White "Marovic, Drazen"]
[Black "Bednarski, Jacek B"]
[Result "1/2-1/2"]
[PlyCount "30"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. e4 O-O 6. Be2 e5 7. Be3 c6 8. h3
exd4 9. Bxd4 Re8 10. e5 dxe5 11. Bxe5 Qxd1+ 12. Rxd1 Nbd7 13. Bd4 Ne4 14. Nxe4
Rxe4 15. Bxg7 Kxg7 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "10"]
[White "Tatai, Stefano"]
[Black "Hamann, Svend"]
[Result "0-1"]
[PlyCount "36"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8.
Qd2 e6 9. O-O-O b5 10. Bd5 exd5 11. exd5 Nc5 12. Rhe1+ Kd7 13. Nc6 Qb6 14. b4
Na4 15. Qd3 Nxc3 16. Qxc3 Ng4 17. Bd8 Qxf2 18. Rf1 Qe3+ 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "10"]
[White "Timman, Jan"]
[Black "Van der Weide, Piet"]
[Result "0-1"]
[PlyCount "81"]

1. g3 f5 2. Bg2 Nf6 3. d3 Nc6 4. e4 fxe4 5. dxe4 e5 6. Be3 b6 7. f4 Bc5 8. Bxc5
bxc5 9. f5 O-O 10. c3 Rb8 11. Qd2 Ne7 12. Na3 Bb7 13. Qe2 d5 14. exd5 Nxf5 15.
O-O-O Nxd5 16. Qxe5 Nfe3 17. Bxd5+ Nxd5 18. Nh3 Re8 19. Qh5 Qe7 20. Rhf1 Nxc3
21. Rde1 Nxa2+ 22. Kb1 Nc3+ 23. Kc2 Ne2 24. Kb1 Be4+ 25. Ka1 Nd4 26. Ng5 Qe5
27. Rf2 Bg6 28. Rxe5 Bxh5 29. Rxe8+ Rxe8 30. Rf1 h6 31. Nh3 Bf7 32. Rd1 Re2 33.
Nf4 Rxh2 34. Nd3 Nb3+ 35. Kb1 Bg6 36. Ka2 Bf7 37. Ne5 Be6 38. Kb1 Rg2 39. Nb5
Nd2+ 40. Kc1 Nb3+ 41. Kb1 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "10"]
[White "Van Geet, Dick"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[PlyCount "83"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Bf5 4. Ng3 Bg6 5. h4 h6 6. Nf3 Nd7 7. Bc4 e6 8. d3
Ngf6 9. Qe2 Bd6 10. h5 Bh7 11. Bd2 Qe7 12. O-O-O Nb6 13. Bb3 a5 14. Ne5 Nfd5
15. Rde1 O-O 16. Qg4 Nf6 17. Qh4 a4 18. Bc4 Nxc4 19. Nxc4 Bb4 20. Bxb4 Qxb4 21.
Ne5 Qc5 22. a3 Rfd8 23. Qc4 Qe7 24. f4 Nd5 25. Kb1 Nb6 26. Qc3 Qd6 27. Rhf1 Nd5
28. Qc4 b5 29. Qc6 Qxc6 30. Nxc6 Rd6 31. Ne5 c5 32. Kc1 Ne7 33. Ne4 Bxe4 34.
dxe4 f6 35. Nf3 Kf7 36. Rd1 Rad8 37. Ne5+ Ke8 38. Rxd6 Rxd6 39. Nd3 c4 40. Nc5
Rc6 41. Nb7 Rb6 42. Nc5 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "11"]
[White "Bednarski, Jacek B"]
[Black "Van Geet, Dick"]
[Result "1/2-1/2"]
[PlyCount "87"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6 7. Re1 d6 8. h3
Qe7 9. a4 a5 10. Bg5 h6 11. Bh4 Kh8 12. Na3 g5 13. Bxc6 bxc6 14. dxe5 gxh4 15.
exf6 Qxf6 16. Nc4 Bc5 17. e5 Qg7 18. Nxh4 Qg3 19. Re4 d5 20. Rd4 Qg5 21. Nf3
Qg7 22. Ne3 Bxh3 23. Rh4 Bxe3 24. Rxh3 Rg8 25. Ne1 Bb6 26. Kf1 Rae8 27. Qh5 Re6
28. f4 Qh7 29. Rd1 Qe4 30. Qxf7 Reg6 31. Rdd3 R8g7 32. Qf8+ Kh7 33. Rdf3 Qc4+
34. Nd3 Rg8 35. Qf7+ R8g7 36. Qf8 Rg8 37. Qf7+ R8g7 38. Qf8 Rg8 39. Qf7+ R8g7
40. Qf8 Rg8 41. Qf7+ R8g7 42. Qf8 Rg8 43. Qf7+ R8g7 44. Qf8 1/2-1/2

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "11"]
[White "Hamann, Svend"]
[Black "Timman, Jan"]
[Result "1-0"]
[PlyCount "41"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. cxd5 Nxd5 7. Bc4 cxd4 8.
exd4 Be7 9. O-O O-O 10. a3 Nxc3 11. bxc3 b6 12. Qd3 Bb7 13. Ba2 Rc8 14. Re1 Bf6
15. Bf4 g6 16. h4 Bxh4 17. Bh6 Re8 18. d5 Be7 19. Rad1 exd5 20. Bxd5 Na5 21.
Rxe7 1-0

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "11"]
[White "Piket, Joop J"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[PlyCount "65"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3
O-O 9. e4 Ne8 10. Ne2 Nc6 11. d5 Ne5 12. f4 Nxd3+ 13. Qxd3 f5 14. e5 d6 15.
dxe6 Qe7 16. O-O Qxe6 17. Ng3 Rd8 18. Re1 Ba6 19. Qd5 Bxc4 20. Qxe6+ Bxe6 21.
exd6 Rxd6 22. a4 a5 23. Bb2 g6 24. c4 Bxc4 25. Re7 Re6 26. Rxe6 Bxe6 27. Be5
Nf6 28. Nf1 Nd7 29. Bd6 Rc8 30. Re1 Kf7 31. Nd2 Rc6 32. Be5 Nxe5 33. Rxe5 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "11"]
[White "Prins, Lodewijk"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[PlyCount "104"]

1. d4 Nf6 2. Bg5 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 h6 6. Bf4 a6 7. f3 Nbd7 8. O-O-O
b5 9. Bd3 c5 10. dxc5 Nxc5 11. Be3 b4 12. Nce2 Qa5 13. Kb1 Be6 14. Nc1 Nfd7 15.
Nb3 Bxb3 16. cxb3 Nxd3 17. Qxd3 O-O 18. Ne2 Kh7 19. Qd2 f5 20. exf5 Qxf5+ 21.
Qd3 Qxd3+ 22. Rxd3 Kg8 23. Nf4 Kf7 24. Nd5 a5 25. Rc1 Rac8 26. Rdd1 Rxc1+ 27.
Rxc1 Rb8 28. Rc7 Rb5 29. Nf4 Re5 30. Bc1 Nc5 31. h4 Ne6 32. Nxe6 Kxe6 33. a3
Re2 34. Rc2 Rxc2 35. Kxc2 Kd5 36. Kd3 h5 37. Bd2 Kc5 38. Be3+ Kb5 39. Bc1 Bf6
40. g3 e6 41. Ke4 d5+ 42. Kf4 e5+ 43. Ke3 g5 44. hxg5 Bxg5+ 45. f4 Bh6 46. Kf3
e4+ 47. Ke3 Kc5 48. Bd2 Bg7 49. axb4+ axb4 50. Be1 Bxb2 51. f5 Bc1+ 52. Ke2 Bg5
0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "11"]
[White "Van der Weide, Piet"]
[Black "Marovic, Drazen"]
[Result "0-1"]
[PlyCount "0"]

 0-1

[Event "Amsterdam IBM II"]
[Site "Amsterdam IBM II"]
[Date "1970.??.??"]
[Round "11"]
[White "Westerinen, Heikki"]
[Black "Cortlever, Nico"]
[Result "0-1"]
[PlyCount "118"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. Nxe5
Nxe5 9. dxe5 c6 10. c3 Be7 11. Be3 O-O 12. f3 Nc5 13. Bc2 f6 14. f4 fxe5 15.
fxe5 Rxf1+ 16. Qxf1 Qf8 17. Nd2 Qxf1+ 18. Rxf1 Bg4 19. h3 Be2 20. Rf2 Bh5 21.
b4 Na4 22. g4 Bg6 23. Bxg6 hxg6 24. Bd4 c5 25. bxc5 Nxc5 26. Nf1 Ne4 27. Rf3
Rc8 28. Rd3 Kf7 29. e6+ Kxe6 30. Bxg7 Rc4 31. Ne3 Bc5 32. Bd4 Bxd4 33. cxd4 Rc3
34. Ng2 g5 35. Ne1 b4 36. Kg2 a5 37. Kf3 Rc1 38. Re3 Rd1 39. Nc2 Rd2 40. Re2
Rxe2 41. Kxe2 Nc3+ 42. Kd2 Nxa2 43. Ne1 Nc3 44. Kc2 Kd6 45. Nf3 Ne4 46. Kb3 Kc6
47. Ka4 Kb6 48. h4 gxh4 49. Nxh4 Nc3+ 50. Kb3 Kb5 51. Nf3 a4+ 52. Kc2 Ne4 53.
g5 b3+ 54. Kc1 a3 55. g6 Kb4 56. g7 Nf6 57. Kb1 Kc3 58. Ka1 Kc2 59. Ne1+ Kd2
0-1

