what you're really doing is telling us we have to doubt our reality because of the small chance that it is wrong or mispercieved...relative if you will.
However, doubt does not lead to checkmates and chess will not save your mortal soul... or will it?
Will chess save your mortal soul?

I guess we have to have faith that we exist then which is no different than having faith in God or Allah.
This thread is complete nonsense.