Thank you.

Today I have removed 3 or 4 models from the posted list, of which I have already received photos. In the next days, as I won't be able to edit the post anymore, I will write a new post with the updated list (with less models therefore).

By the way, I am not asking you to open your chess computers. In many cases the motherboard is upside down, and it is not possible to see the microcontroller without disassembling everything and disconnecting the sensory board, which I do not recommend if you are not experienced. What I was asking for was to receive those photos that are already done, as there are certainly some.

Best,
Gerardo