What is the average IQ of a chess grandmaster? Why are they so

Answer (1 of 4): Many chess players of all different levels do have high IQs of over 100 score. Some of our greatest chess players in history for example Garry Kasparov and Magnus Carlsen have IQs well over 140 score. This is a a lot considering that 100 is the average IQ. Here is a table showing

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