I'm afraid I don't see how. In fact, if it was accepted, any suggestion that NB was moved could be damaging to Bamber as the police W/S clearly state they saw him in his final position through the window before entering.
I just think that Boyce's experiment looks like a far better approximation of NB's mysterious wounds than the previous, perfectly round efforts. How they fit into the crime, if they fit at all, cannot be known. They weren't an issue at trial so almost certainly not a ground of appeal.
Yes, I agree that the suggestion that Nevill was moved corrupts the Aga burn evidence, AD!
All that Boyce/JBs legal team had to do was prove the Aga burnt Nevill on the night of the murders and leave it up to the CCRC to explain when this happened.
And obviously the CCRC would have to conclude that the burns must have happened sometime before 3.30 no matter who the killer was.
The thing is, Philip Boyce claims the Aga parts would have taken hours to burn Nevills back which simply does not fit in with the prosecution scenario sent to the DPP in 1985/6.
The police scenario has Nevill being shot in bed, chased to the kitchen and shot to death soon after on the scuttle, so no time for any back burning for several hours!
The only conclusion that makes sense is that Nevills back was burned on the Aga before he went up stairs around 3.15.
So I think it can be known how/when the burns fit in AD, and a good lawyer could put forward a good case for JBs innocence.