Chess is all about memorizing patterns of many kinds to then recognize them and reapply on the spot.
What all great chess players have in common is an amazing memory and the will to think and work on chess all day long (which is more astonishing to me than the memory side).
What all great chess players have in common is an amazing memory and the will to think and work on chess all day long (which is more astonishing to me than the memory side).