haha ... Gargamel is a fool! Show me a time when his spell turn out the way he planned them!
High IQs:
-Papa Smurf
-Reed Richards
-Bruce Wayne
-Prof X
No one else really comes to mind. Sure P.Parker is smart, but I just can't picture him being a chessmaster. Heck, Kingpin would probably beat him at chess.
Actually when it comes to chess, might as well throw in Alfred Pennyworth, he's brit after all!
What about this Mignighter guy? Never heard of him, but since he can play out 100 of moves ahead, can he be a threat at chess?