1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
h3
Nbd7
6.
Be3
e5
7.
d5
Nc5
8.
Qc2
a5
9.
g4
O-O
10.
Nge2
Kh8
11.
Ng3
Ng8
12.
Qd2
h6
13.
O-O-O
Qh4
14.
Be2
Bf6
15.
Rdg1
Bg5
16.
Bxg5
Qxg5
17.
Qxg5
hxg5
18.
h4
gxh4
19.
Rxh4+
Kg7
20.
g5
f6
21.
Rgh1
fxg5
22.
Rh7+
Kf6
23.
Rxc7
Bd7
24.
Rh7
Rf7
25.
Rxf7+
Kxf7
26.
Na4
Ke7
27.
Nxc5
dxc5
28.
Rxb7
Rf8
29.
Bg4
Nf6
30.
Be6
Kd6
31.
Kd2
Bxe6
32.
Rb6+
Kc7
33.
Rxe6
Ng4
34.
Rxg6
Rxf2+
35.
Ne2
Nh2
36.
Rxg5
Nf3+
37.
Ke3
Nxg5
38.
Kxf2
Nxe4+
39.
Ke3
Nd6
40.
Kd3
e4+
41.
Kc3
Ne8
42.
Ng3
Nf6
43.
Nf5
Ng4
44.
b3
Ne5
45.
a4
Nf3
46.
Ng3
e3
47.
Kd3
Nd4
48.
Kxe3
Nxb3
49.
Ne2
1-0
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Event
Site
Siegen
Date
1970.09.17
Round
4
White
De Greif, Boris
Black
Olsson, Ake
Result
1-0
Score
[Event "Olympiad-19 Final B"] [Site "Siegen"] [Date "1970.09.17"] [Round "4"] [White "De Greif, Boris"] [Black "Olsson, Ake"] [Result "1-0"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Be3 e5 7. d5 Nc5 8. Qc2 a5 9. g4 O-O 10. Nge2 Kh8 11. Ng3 Ng8 12. Qd2 h6 13. O-O-O Qh4 14. Be2 Bf6 15. Rdg1 Bg5 16. Bxg5 Qxg5 17. Qxg5 hxg5 18. h4 gxh4 19. Rxh4+ Kg7 20. g5 f6 21. Rgh1 fxg5 22. Rh7+ Kf6 23. Rxc7 Bd7 24. Rh7 Rf7 25. Rxf7+ Kxf7 26. Na4 Ke7 27. Nxc5 dxc5 28. Rxb7 Rf8 29. Bg4 Nf6 30. Be6 Kd6 31. Kd2 Bxe6 32. Rb6+ Kc7 33. Rxe6 Ng4 34. Rxg6 Rxf2+ 35. Ne2 Nh2 36. Rxg5 Nf3+ 37. Ke3 Nxg5 38. Kxf2 Nxe4+ 39. Ke3 Nd6 40. Kd3 e4+ 41. Kc3 Ne8 42. Ng3 Nf6 43. Nf5 Ng4 44. b3 Ne5 45. a4 Nf3 46. Ng3 e3 47. Kd3 Nd4 48. Kxe3 Nxb3 49. Ne2 1-0