This whole idea of le crazy chess grandmaster is so silly. Fischer, even as he was declining precipitously, was producing cogent analysis and annotations on grandmaster level games.

>He did something none of Duda, Alireza, etc have achieved.

Only if you mean winning in Classical with Black.

Duda beating Carlsen in Classical

https://www.chessgames.com/perl/chessgame?gid=2010697

His interview. The quality of the broadcast is a bit bad. https://www.youtube.com/watch?v=fchM2Dcr5mU

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Ali Reza beating Carlsen in Rapid with a beautiful checkmate https://www.chessgames.com/perl/chessgame?gid=2072900

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Pragg beating Carlsen in Rapid at 16 https://www.chessgames.com/perl/chessgame?gid=2252714 Giving an interview at age 16 at 3 am after beating Carlsen https://www.chessbase.in/news/Praggnanandhaa-beats-Magnus-Ca...