memento_mori said it, so I did it:

Frank Castle was a chess-playing prodigy and son of billionaire parents until his gambling father mad a bad bet against him with the Mafia, and ran instead of paying up. After years of searching, the mob family he stiffed found the Castles thanks to Frank's insatiable need to play in competitive chess matches. They burned his family alive in their home.

Only Frank survived, physically crippled and nearly blinded, and spent years in recovery, learning to compensate for his physical disabilities with a mastery of his mental state and all things electronic, all the while planning his revenge.

Now, he is the Punisher: a shadowy enigma that haunts the black alleys and shadowed markets of the underworld as well as the seedy digital networks which bind society together, watching, planning, moving, forcing the corrupt and wicked to fight and destroy themselves in a grand game of pawn against pawn and machine against man, few ever suspecting how or by whom they have been set-up, manipulated and destroyed.

Checkmate.