I tried playing with it and it barely makes any correct move: forgets whos turn to move, doesn't observe the rules, incorrectly displays move results. So I gue

I tried playing with it and it barely makes any correct move: forgets whos turn to move, doesn't observe the rules, incorrectly displays move results. So I guess that if we ask it to make a move repeatedly and accept the move only when it occasionally makes a legal move, it'll show some results, but I don't think it is what can be interpreted as a chess engine with some meaningful rating.