2 things that need to be addressed
1. Bobby Fischer came from a position of privlege....Emory was a black man in America, we don't know the racism was that might of prevented him from being a GM. maybe he could of made it to Bobby's level..who knows (this isn't to discredit Bobby by no means)
2. the whole "Super GM" thing is really a myth...which is why they only play exclusive tournaments with each other
We are not talking about what could be. I am sure he faced racism growing up. For comparison, he did not achieve GM title while Ashley did, so it is not impossible for African Americans to do that.
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I guess you are trying to dismantle another myth, that of the intelligent chess.com commenters. However, your attempt isn't totally convincing. Please try again.