Crossword puzzle clue "sixty four in chess"

Sixty-four, in chess

Artist and chess player who said "While all artists are not chess players, all chess players are artists"

Cottage site in the Beatles' "When I'm Sixty-Four"

Sixty-four of these equal about 40 miles

Chess expert's requirement for attending a chess tournament?

Collection consisting of four plates, four saucers, four bowls, etc.

Sixty-five for retirement, often

Sixty-five, for many