1.
Nf3
Nf6
2.
c4
b6
3.
g3
Bb7
4.
Bg2
e6
5.
O-O
Be7
6.
Nc3
O-O
7.
b3
d5
8.
cxd5
Nxd5
9.
Bb2
c5
10.
d4
Nd7
11.
Rc1
Nxc3
12.
Bxc3
Rc8
1/2-1/2
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Event
Site
Sochi
Date
1976.??.??
Round
11
White
Black
Result
1/2-1/2
WhiteElo
2570
BlackElo
2635
[Event "Chigorin Memorial-11"] [Site "Sochi"] [Date "1976.??.??"] [Round "11"] [White "Krogius, Nikolai V"] [Black "Polugaevsky, Lev"] [Result "1/2-1/2"] [WhiteElo "2570"] [BlackElo "2635"] 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. b3 d5 8. cxd5 Nxd5 9. Bb2 c5 10. d4 Nd7 11. Rc1 Nxc3 12. Bxc3 Rc8 1/2-1/2