1.
Nf3
Nf6
2.
g3
d6
3.
d4
g6
4.
Bg2
Bg7
5.
O-O
O-O
6.
c4
Bg4
7.
Nc3
Qc8
8.
Re1
Re8
9.
Qb3
Nc6
10.
d5
Na5
11.
Qa4
b6
12.
Nd2
Bd7
13.
Qc2
c6
14.
b4
Nxc4
15.
Nxc4
cxd5
16.
Na3
d4
17.
Bxa8
Qxa8
18.
Ncb5
Rc8
19.
Qd1
Ne4
20.
f3
a6
21.
Nxd4
Qd5
22.
Be3
Rc3
23.
Ndc2
Qf5
24.
g4
Qe6
25.
Bd4
h5
26.
Bxg7
hxg4
27.
Nd4
Qd5
28.
fxe4
Qxe4
29.
Nf3
Qe3+
30.
Kh1
Bc6
31.
Rf1
Rxa3
32.
Qc1
gxf3
33.
Qxc6
Qxe2
34.
Rg1
Kxg7
35.
Rae1
Qd2
36.
Rd1
Qe2
37.
Rde1
Qd2
38.
Rd1
Qe2
39.
Rde1
1/2-1/2
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Event
Site
Amsterdam
Date
1964.05.21
Round
2
White
Black
Result
1/2-1/2
Score
[Event "Interzonal-06"] [Site "Amsterdam"] [Date "1964.05.21"] [Round "2"] [White "Portisch, Lajos"] [Black "Tal, Mikhail"] [Result "1/2-1/2"] 1. Nf3 Nf6 2. g3 d6 3. d4 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 Bg4 7. Nc3 Qc8 8. Re1 Re8 9. Qb3 Nc6 10. d5 Na5 11. Qa4 b6 12. Nd2 Bd7 13. Qc2 c6 14. b4 Nxc4 15. Nxc4 cxd5 16. Na3 d4 17. Bxa8 Qxa8 18. Ncb5 Rc8 19. Qd1 Ne4 20. f3 a6 21. Nxd4 Qd5 22. Be3 Rc3 23. Ndc2 Qf5 24. g4 Qe6 25. Bd4 h5 26. Bxg7 hxg4 27. Nd4 Qd5 28. fxe4 Qxe4 29. Nf3 Qe3+ 30. Kh1 Bc6 31. Rf1 Rxa3 32. Qc1 gxf3 33. Qxc6 Qxe2 34. Rg1 Kxg7 35. Rae1 Qd2 36. Rd1 Qe2 37. Rde1 Qd2 38. Rd1 Qe2 39. Rde1 1/2-1/2