1.
c4
Nf6
2.
Nf3
g6
3.
g3
Bg7
4.
Bg2
O-O
5.
Nc3
d6
6.
d3
e5
7.
O-O
Nbd7
8.
Rb1
a5
9.
a3
c6
10.
Nd2
Nb6
11.
b4
axb4
12.
axb4
d5
13.
cxd5
cxd5
14.
Nb3
d4
15.
Ne4
Nxe4
16.
dxe4
Na4
17.
Bd2
b6
18.
Nc1
Be6
19.
Nd3
Nc3
20.
Bxc3
dxc3
21.
Qc2
Qd4
22.
Ra1
Bc4
23.
Rfb1
Bxd3
24.
exd3
Rxa1
25.
Rxa1
b5
26.
Rb1
Rc8
27.
Bf3
Bf8
28.
Bd1
Bxb4
29.
Qe2
Rc6
30.
Qe3
Bc5
31.
Qxd4
Bxd4
32.
Bb3
c2
33.
Rc1
Rc3
34.
Bxc2
b4
0-1
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Event
Site
Amsterdam
Date
1970.07.17
Round
4
White
Ree, Hans
Black
Result
0-1
Score
[Event "IBM"] [Site "Amsterdam"] [Date "1970.07.17"] [Round "4"] [White "Ree, Hans"] [Black "Polugaevsky, Lev"] [Result "0-1"] 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. d3 e5 7. O-O Nbd7 8. Rb1 a5 9. a3 c6 10. Nd2 Nb6 11. b4 axb4 12. axb4 d5 13. cxd5 cxd5 14. Nb3 d4 15. Ne4 Nxe4 16. dxe4 Na4 17. Bd2 b6 18. Nc1 Be6 19. Nd3 Nc3 20. Bxc3 dxc3 21. Qc2 Qd4 22. Ra1 Bc4 23. Rfb1 Bxd3 24. exd3 Rxa1 25. Rxa1 b5 26. Rb1 Rc8 27. Bf3 Bf8 28. Bd1 Bxb4 29. Qe2 Rc6 30. Qe3 Bc5 31. Qxd4 Bxd4 32. Bb3 c2 33. Rc1 Rc3 34. Bxc2 b4 0-1