Pardon, George Frederick, 1824-1884 · New York, F. A. Stokes Co · leaf 65
so that if both systems were beforeodd, they will now be both even, and after another move theywill again be both odd, and so on alternately, according to theplayer whose turn it is to play. To know if you have the move WHEN IT IS YOUR TURN TOPLAY, apply the followi7ig rules :— Rule I.—Add together… … You play Black, and have the move, because either systemcontains an odd number of pieces ; one contains one, the otherthree. (To aid the beginner in mastering the idea of the twosystems into which the board is divided, we have distinguishedthe one system from the other by a series of dots.)…
Checkers · Backgammon
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