What IQ did Bobby Fischer have?

Can you provide some insight into the intelligence quotient, or IQ, of the renowned chess grandmaster Bobby Fischer? It's a question that has piqued the curiosity of many, given Fischer's remarkable achievements in the game of chess and his unique personality. Did he possess an IQ that surpassed the norm, or was his genius perhaps rooted in something more than just a high numerical score? What kind of evidence exists to support any claims about his cognitive abilities? And if we do have a reliable estimate of his IQ, how does it compare to other notable figures in the world of chess or in the realm of intellectual achievement as a whole?