1.
Nf3
Nf6
2.
d4
d5
3.
c4
e6
4.
Nc3
c6
5.
cxd5
exd5
6.
Qc2
Bd6
7.
Bg5
O-O
8.
e3
Nbd7
9.
Bd3
Qc7
10.
O-O-O
Re8
11.
g4
Kh8
12.
Rdg1
b5
13.
Bxf6
Nxf6
14.
g5
Ne4
15.
Nxe4
dxe4
16.
Bxe4
Be6
17.
g6
hxg6
18.
Ng5
f5
19.
Nxe6
Rxe6
20.
Bf3
Rc8
21.
h4
c5
22.
d5
Rf6
23.
h5
g5
24.
Rxg5
c4
25.
Kb1
Rcf8
26.
Rhg1
R8f7
27.
Rg6
Be5
28.
h6
gxh6
29.
Rg8+
Kh7
30.
Bh5
Rf8
31.
Rxf8
Rxf8
32.
f4
Bg7
33.
Bg6+
Kh8
34.
Bxf5
Qc5
35.
Qg2
Qe7
36.
Qg6
Rxf5
37.
Qxf5
Qxe3
38.
Rd1
Qf2
39.
Qc2
Qxf4
40.
d6
Qf8
41.
d7
Qd8
42.
Qg6
1-0
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Event
Site
Gorky
Date
1950.10.??
Round
12
White
Black
Sidorov, Boris N
Result
1-0
[Event "URS-ch18 Semifinal"] [Site "Gorky"] [Date "1950.10.??"] [Round "12"] [White "Petrosian, Tigran V"] [Black "Sidorov, Boris N"] [Result "1-0"] 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Qc2 Bd6 7. Bg5 O-O 8. e3 Nbd7 9. Bd3 Qc7 10. O-O-O Re8 11. g4 Kh8 12. Rdg1 b5 13. Bxf6 Nxf6 14. g5 Ne4 15. Nxe4 dxe4 16. Bxe4 Be6 17. g6 hxg6 18. Ng5 f5 19. Nxe6 Rxe6 20. Bf3 Rc8 21. h4 c5 22. d5 Rf6 23. h5 g5 24. Rxg5 c4 25. Kb1 Rcf8 26. Rhg1 R8f7 27. Rg6 Be5 28. h6 gxh6 29. Rg8+ Kh7 30. Bh5 Rf8 31. Rxf8 Rxf8 32. f4 Bg7 33. Bg6+ Kh8 34. Bxf5 Qc5 35. Qg2 Qe7 36. Qg6 Rxf5 37. Qxf5 Qxe3 38. Rd1 Qf2 39. Qc2 Qxf4 40. d6 Qf8 41. d7 Qd8 42. Qg6 1-0