1.
Nf3
Nf6
2.
c4
c5
3.
Nc3
d5
4.
cxd5
Nxd5
5.
e3
Nxc3
6.
bxc3
g6
7.
Bc4
Bg7
8.
Ng5
O-O
9.
Qf3
e6
10.
Ne4
Nc6
11.
Qe2
Ne5
12.
d4
Nxc4
13.
Qxc4
b6
14.
O-O
Bb7
15.
f3
Rc8
16.
Qe2
Qd7
17.
a4
Bc6
18.
Qa2
Bd5
19.
Qb1
cxd4
20.
cxd4
e5
21.
Bb2
exd4
22.
Rd1
Rc4
23.
Bxd4
Bxe4
24.
Bxg7
Bxb1
25.
Rxd7
Rc1+
0-1
Opening Explorer
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Site
Riga
Date
1975.07.??
Round
4
White
Ruderfer, Mark B
Black
Result
0-1
WhiteElo
2410
BlackElo
2645
[Event "URS-chT Republics 13th Group2"] [Site "Riga"] [Date "1975.07.??"] [Round "4"] [White "Ruderfer, Mark B"] [Black "Polugaevsky, Lev"] [Result "0-1"] [WhiteElo "2410"] [BlackElo "2645"] 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. Bc4 Bg7 8. Ng5 O-O 9. Qf3 e6 10. Ne4 Nc6 11. Qe2 Ne5 12. d4 Nxc4 13. Qxc4 b6 14. O-O Bb7 15. f3 Rc8 16. Qe2 Qd7 17. a4 Bc6 18. Qa2 Bd5 19. Qb1 cxd4 20. cxd4 e5 21. Bb2 exd4 22. Rd1 Rc4 23. Bxd4 Bxe4 24. Bxg7 Bxb1 25. Rxd7 Rc1+ 0-1