1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
a6
6.
Bg5
Nbd7
7.
Bc4
g6
8.
Qe2
Bg7
9.
O-O-O
Qc7
10.
f4
O-O
11.
Rhe1
e5
12.
Nf3
b5
13.
Bb3
Bb7
14.
Kb1
b4
15.
fxe5
bxc3
16.
exf6
Nxf6
17.
Qd3
Ne8
18.
Bc1
a5
19.
a4
Ba6
20.
Qe3
Rb8
21.
Nd4
Nf6
22.
Qxc3
Qxc3
23.
bxc3
Bb7
24.
Nb5
Nxe4
25.
Ba3
Bxc3
26.
Bxd6
Bxe1
27.
Bxb8
Nc3+
28.
Nxc3
Bxc3
29.
Rd3
Rxb8
1/2-1/2
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Event
Site
Moscow
Date
1963.??.??
White
Bykov, Valery N
Black
Result
1/2-1/2
[Event "URS-ch31 Semifinal"] [Site "Moscow"] [Date "1963.??.??"] [Round "?"] [White "Bykov, Valery N"] [Black "Polugaevsky, Lev"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 g6 8. Qe2 Bg7 9. O-O-O Qc7 10. f4 O-O 11. Rhe1 e5 12. Nf3 b5 13. Bb3 Bb7 14. Kb1 b4 15. fxe5 bxc3 16. exf6 Nxf6 17. Qd3 Ne8 18. Bc1 a5 19. a4 Ba6 20. Qe3 Rb8 21. Nd4 Nf6 22. Qxc3 Qxc3 23. bxc3 Bb7 24. Nb5 Nxe4 25. Ba3 Bxc3 26. Bxd6 Bxe1 27. Bxb8 Nc3+ 28. Nxc3 Bxc3 29. Rd3 Rxb8 1/2-1/2