1.
Nf3
e6
2.
c4
b6
3.
g3
Bb7
4.
Bg2
c5
5.
O-O
Nf6
6.
Nc3
Be7
7.
d4
cxd4
8.
Qxd4
d6
9.
e4
a6
10.
Rd1
Nbd7
11.
Qe3
Qc7
12.
b3
O-O
13.
Bb2
Rac8
14.
Rac1
Qb8
15.
Nd4
Rfe8
16.
h3
Bf8
17.
f4
e5
18.
Nf5
d5
19.
fxe5
Bc5
20.
Nd4
Nxe4
21.
Nxd5
Qxe5
22.
b4
Bf8
23.
Qxe4
Qxe4
24.
Bxe4
Rxe4
25.
Nc3
Ree8
26.
Nf5
Ne5
27.
Nd5
Bxd5
28.
cxd5
Rxc1
29.
Bxc1
Bxb4
30.
Kg2
f6
31.
Nd4
Rd8
32.
Nf3
Nc4
33.
Rd4
b5
34.
a4
Bc5
35.
Rd3
b4
0-1
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Event
Site
Budapest
Date
1975.12.??
White
Cserna, Laszlo
Black
Result
0-1
Score
[Event "HUN-ch31"] [Site "Budapest"] [Date "1975.12.??"] [Round "?"] [White "Cserna, Laszlo"] [Black "Portisch, Lajos"] [Result "0-1"] 1. Nf3 e6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O Nf6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. e4 a6 10. Rd1 Nbd7 11. Qe3 Qc7 12. b3 O-O 13. Bb2 Rac8 14. Rac1 Qb8 15. Nd4 Rfe8 16. h3 Bf8 17. f4 e5 18. Nf5 d5 19. fxe5 Bc5 20. Nd4 Nxe4 21. Nxd5 Qxe5 22. b4 Bf8 23. Qxe4 Qxe4 24. Bxe4 Rxe4 25. Nc3 Ree8 26. Nf5 Ne5 27. Nd5 Bxd5 28. cxd5 Rxc1 29. Bxc1 Bxb4 30. Kg2 f6 31. Nd4 Rd8 32. Nf3 Nc4 33. Rd4 b5 34. a4 Bc5 35. Rd3 b4 0-1