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Sherlock

Posted By: Nack Ballard
Date: Monday, 14 April 2014, at 4:26 a.m.

In Response To: Advanced Backgammon #95 (Igor)





White is Player 2

score: 0
pip: 157
Unlimited Game
Jacoby Beaver
pip: 145
score: 0

Blue is Player 1
XGID=-BaB--C-A-aAeD---c-e----B-:0:0:1:00:0:0:3:0:10

What was White's last move?

Amazing as it may seem, Sherlock Holmes assures me that, according to XGR++ evaluation, the move White just played (to reach the above position) was her best.
What was White's last move?

As for Blue's cube decision: In comparison to 51S-55A-2-C (diagrammed below), I have a lot of respect for the value of the a fourth 8pt checker, so I'm inclined to think that Blue's 13/11 is worth more than the net of White's bar/15 minus her 13/8. That said (i.e., while I think White is relatively worse off and Blue has a closer cube decision in the above position than in the known-to-be-no-double 51S-55A-2-C diagrammed below), I would still hold off doubling.

........N = No double

Nack





White is Player 2

score: 0
pip: 162
Unlimited Game
Jacoby Beaver
pip: 147
score: 0

Blue is Player 1
XGID=aBaB--C-A---dE---d-e----B-:0:0:1:00:0:0:3:0:10

51S-55A-2-C


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