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BGonline.org Forums
Practice Problem; PLEASE SHOW YOUR WORK!
Posted By: Bill Riles In Response To: Practice Problem; PLEASE SHOW YOUR WORK! (Chuck Bower)
Date: Thursday, 11 September 2008, at 5:17 p.m.
Blue: (9x6)+8=62+39=101+42=143 or (11x6)-4=62+39=104+42=143
either way maybe 3-4 seconds max
White: (6x8)-2=46+8=54+39=93+45=138
again, 3-4 seconds max
obviously, some keys to know in absolute counting are the recognition of symmetry of numbers of checkers around given points; knowledge of multiples of 13 for checkers on the mid pt; knowledge that checkers on your opponent's 5 pt are 20 pips; go from there
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