1.
e4
c5
2.
Nf3
Nc6
3.
d4
cxd4
4.
Nxd4
Qc7
5.
Nc3
e6
6.
Be3
a6
7.
Bd3
Nf6
8.
O-O
Bd6
9.
Kh1
Bf4
10.
Bxf4
Qxf4
11.
Nde2
Qh4
12.
Qd2
b5
13.
a3
Ng4
14.
Qf4
Nce5
15.
h3
g5
16.
Qg3
Qxg3
17.
Nxg3
Nf6
18.
f4
gxf4
19.
Rxf4
Rg8
20.
Nge2
Ke7
21.
Raf1
Rg6
22.
Rh4
Bb7
23.
Nf4
Rg7
24.
Rh6
Ng8
25.
Rh4
Rf8
26.
Rf2
f5
27.
Nh5
Rg5
28.
exf5
Nxd3
29.
cxd3
Rfxf5
30.
Rxf5
Rxf5
31.
Kg1
Rg5
32.
g4
Kf7
33.
Kf2
Rc5
34.
Ke3
a5
35.
d4
Rg5
36.
b4
axb4
37.
axb4
Bc6
1/2-1/2
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Event
Site
Amsterdam
Date
1969.??.??
Round
11
White
Ree, Hans
Black
Result
1/2-1/2
Score
[Event "IBM"] [Site "Amsterdam"] [Date "1969.??.??"] [Round "11"] [White "Ree, Hans"] [Black "Portisch, Lajos"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be3 a6 7. Bd3 Nf6 8. O-O Bd6 9. Kh1 Bf4 10. Bxf4 Qxf4 11. Nde2 Qh4 12. Qd2 b5 13. a3 Ng4 14. Qf4 Nce5 15. h3 g5 16. Qg3 Qxg3 17. Nxg3 Nf6 18. f4 gxf4 19. Rxf4 Rg8 20. Nge2 Ke7 21. Raf1 Rg6 22. Rh4 Bb7 23. Nf4 Rg7 24. Rh6 Ng8 25. Rh4 Rf8 26. Rf2 f5 27. Nh5 Rg5 28. exf5 Nxd3 29. cxd3 Rfxf5 30. Rxf5 Rxf5 31. Kg1 Rg5 32. g4 Kf7 33. Kf2 Rc5 34. Ke3 a5 35. d4 Rg5 36. b4 axb4 37. axb4 Bc6 1/2-1/2