This may be related to a long-known bug that exists in both Scid and Scid vs
PC. If you are adding or deleting moves/variations in a complex game tree that
has a non-standard start and a FEN string with a 'fullmove number' other than
one, you're likely bumping up against this edge case.
Hist
Hi Greg,
thanks for the detailed analysis.
My guess is it doesn't depend on the engine but it is triggered when the
analyzed move is added to the current (probably complex) game.
It is pretty easy to debug SCID on Linux, something like:
sudo apt-get install build-essential gdb cmake tcl-dev
git cl