Grrr 
A firm favourite route with a few of the regulars on this board. You could always look at:
AY - LHR > HEL > SVO
MA - LHR > BUD > SVO
IB - LHR > MAD > SVO
RJ - LHR > AMM > DME
Or if you're really desperate then later this year LHR > ORD > SVO with AAnother AAirline could well be an option.
...and thats just sticking with One World.
But, who would subject themselves to any of the above. With alarming frequency... I can think of at least one all in the name of miles, tier points and CIV scores!