Jointly with A.Dolukhanov
Shakhmaty v SSSR 
Jul-Dec 1938 =1st prize
Draw

White: Kh4, Bd4; pawns - a4, c3, c5, e5, g4, g7
Black: Ke7, Ra8; pawns - a5, c4, e6, g6, h7

1.Kg5 Kf7 2.Kh6 Kg8/i 3.c6!/ii Rc8 4.Bb6!/iii Rxc6 5.g5!/iv Rc8 6.Bc7! Ra8 7.Bb8! Ra6 8.Ba7!
Rc6
9.Bb6!/v Rc8 10.Bc7 draws/vi.
i) Rg8 causes White fewer problems: 3.c6 Rxg7 4.c7 Rg8 5.Bb6, and the draw is plain.
ii) 3.g5? would be shown to be a blunder after Rb8 4.c6 Rb1.
iii) Move-order is vital here. 4.g5? would be met by Rc7!! 5.Bb6 (Bc5,Rf7;) Rxc6, and Black
wins, but only
because it is White's move.
iv) Now it is Black who is in zugzwang.
v) There is no way for the black rook to elude the voluntary obstructions by the white bishop.
The thematic
essence of the matter is that in repeatedly offering to sacrifice itself the bishop paralyses the rook,
and all
the time with no actual attack on the latter.
vi) For example, Re8 11.Bd8! Kf7 12.Bf6! Kg8 13.Bd8!