1.
c4
e6
2.
d4
d5
3.
Nc3
Nf6
4.
Bg5
Be7
5.
e3
h6
6.
Bh4
O-O
7.
Nf3
Ne4
8.
Bxe7
Qxe7
9.
Qc2
Nf6
10.
Rc1
Nbd7
11.
cxd5
exd5
12.
Bd3
c6
13.
O-O
Re8
14.
Rfe1
Ne4
15.
b4
a6
16.
a3
Ndf6
17.
Ne5
Nxc3
18.
Qxc3
Ng4
19.
Nf3
Nf6
20.
a4
Ne4
21.
Qb2
Ng5
22.
Ne5
f6
23.
Ng6
Qf7
24.
Nf4
f5
25.
Be2
Qf6
26.
b5
axb5
27.
axb5
Bd7
28.
Nd3
Nf7
29.
Nc5
Bc8
30.
bxc6
bxc6
31.
Bd3
Ra7
32.
Bb1
Rae7
33.
Qd2
g5
34.
Nd3
Bd7
35.
f4
Rxe3
36.
Ne5
Rxe1+
37.
Rxe1
1/2-1/2
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Event
Site
Leningrad
Date
1957.11.15
Round
4
White
Black
Result
1/2-1/2
[Event "URS-ch25 Semifinal"] [Site "Leningrad"] [Date "1957.11.15"] [Round "4"] [White "Taimanov, Mark E"] [Black "Krogius, Nikolai V"] [Result "1/2-1/2"] 1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 Nf6 10. Rc1 Nbd7 11. cxd5 exd5 12. Bd3 c6 13. O-O Re8 14. Rfe1 Ne4 15. b4 a6 16. a3 Ndf6 17. Ne5 Nxc3 18. Qxc3 Ng4 19. Nf3 Nf6 20. a4 Ne4 21. Qb2 Ng5 22. Ne5 f6 23. Ng6 Qf7 24. Nf4 f5 25. Be2 Qf6 26. b5 axb5 27. axb5 Bd7 28. Nd3 Nf7 29. Nc5 Bc8 30. bxc6 bxc6 31. Bd3 Ra7 32. Bb1 Rae7 33. Qd2 g5 34. Nd3 Bd7 35. f4 Rxe3 36. Ne5 Rxe1+ 37. Rxe1 1/2-1/2