Hypertext Webster Gateway: "checkerboard"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Checkerboard \Check"er*board\ (-b[=o]rd`), n.
A board with sixty-four squares of alternate color, used for
playing checkers or draughts.
From WordNet (r) 1.7 (wn)
checkerboard
n : a board having 64 squares of two alternating colors
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