it is very likely. But how to prove it?
Just finished "On the banks of the cool Shalimar" thoughts
 
    
  
  
  Hardly any votes either besides discussions.
Maybe worth looking into a report of some kind, but only if it would achieve anything, which I have my doubts about, as proving Cheating in Vote Chess is even harder than for individuals, and that is hard enough.
See what any post mortem discussion says, I guess.
 
     
      
Just reviewed this loss. (Did not look at every move).
The highest rated player was under 1700. Discussions were almost nonexistent.
Did we just lose to an engine?