@ Kipper - Of course, Chess AI's are very robust but; 1) they operate across 64 squares, 2) they face no terrain etc... There is marked difference between a Chess AI and one tasked with conquering Europe as Napoleon - but Kip you'd know, this is a very famous and old debate.
Yes, but the point is that one developer will not on his own reproduce that [chess playing] kind of intelligence in wargames and I think you expect to play a simulated human oppponent as opposed to having a simulated battles/role-playing session and I think that is why you are continually disappointed.