1.
d4
d5
2.
c4
c6
3.
e3
Bf5
4.
cxd5
cxd5
5.
Qb3
Bc8
6.
Nf3
e6
7.
Bd3
Nf6
8.
Nc3
Be7
9.
O-O
O-O
10.
Ne5
b6
11.
Bd2
Bb7
12.
Rac1
Ne4
13.
Nxe4
dxe4
14.
Bb5
Bd5
15.
Bc4
f6
16.
Bxd5
Qxd5
17.
Qxd5
exd5
18.
Nc6
Nxc6
19.
Rxc6
Rfd8
20.
Rfc1
Bd6
21.
f3
Kf7
22.
Be1
f5
23.
Bh4
Rd7
24.
Kf2
f4
25.
Bg5
fxe3+
26.
Bxe3
Re8
1/2-1/2
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Event
Site
Sverdlovsk
Date
1957.11.15
Round
4
White
Black
Prokhorovich, Taras E
Result
1/2-1/2
[Event "URS-ch25 Semifinal"] [Site "Sverdlovsk"] [Date "1957.11.15"] [Round "4"] [White "Polugaevsky, Lev"] [Black "Prokhorovich, Taras E"] [Result "1/2-1/2"] 1. d4 d5 2. c4 c6 3. e3 Bf5 4. cxd5 cxd5 5. Qb3 Bc8 6. Nf3 e6 7. Bd3 Nf6 8. Nc3 Be7 9. O-O O-O 10. Ne5 b6 11. Bd2 Bb7 12. Rac1 Ne4 13. Nxe4 dxe4 14. Bb5 Bd5 15. Bc4 f6 16. Bxd5 Qxd5 17. Qxd5 exd5 18. Nc6 Nxc6 19. Rxc6 Rfd8 20. Rfc1 Bd6 21. f3 Kf7 22. Be1 f5 23. Bh4 Rd7 24. Kf2 f4 25. Bg5 fxe3+ 26. Bxe3 Re8 1/2-1/2