comparison org/steph.org @ 72:ace7f097eb6c

add chess idea.
author Robert McIntyre <rlm@mit.edu>
date Sat, 09 Nov 2013 03:18:26 -0500
parents 5676533b82d8
children 8714919e1e52
comparison
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71:dc521fea9219 72:ace7f097eb6c