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Daily Quiz 2/14
Posted By: kruidenbuiltje
Date: Wednesday, 15 February 2012, at 12:50 p.m.
In Response To: Daily Quiz 2/14 (Daily Quiz)
Daily Quiz 14 february 2012
Number 1:
In this threat double blue’s innerboard is slightly worse than white’s, but the escaped checker and the 5 attacking checkers bring the position close to a double.
The fact that blue can attack with 1,2,3,5 and 6 gives him a great attacking diversification, on top of that 41,42 and 43 can be used as double blitzers and D4 is very good. At an equal score I would say it is a Double/Take, at the score 04 I would say:
Answer: Double/Pass
Number 2:
With a pipcount of 5261 and a Keithcount of 5664, and some adjustment for extra checkers off (not taken into account in the Keith Count), say 2 pips a checker, makes 5668.
An equal race of 56 pips gives a chance of about 62%, the 12pipdifference makes 22% extra = 84%. I guess this is above the redoubling window at 7a 11a,
(let’s look it up : a score of 5a/11a gives 20% chance, 3/11 gives 11% chance, so this is a risk of 9%, winning gives 50% chance (7a/7a), TP = 9/39, about 20%, so white can take until 80%)
Answer: DP
Number 3:
My first idea of playing 8/3 6/3 is not good because of the bad forward playability of the blue position. Especially 6’s and 2’s play badly. This will force blue to leave his barpoint (or midpoint) in the near future. After playing 18/15 18/13 hitting will cost white the midpoint.
Answer: 18/13 18/15

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