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Advanced Backgammon #185

Posted By: Taper_Mike
Date: Wednesday, 18 June 2014, at 9:33 a.m.

In Response To: Advanced Backgammon #185 (Timothy Chow)





White is Player 2

score: 0
pip: 124
Unlimited Game
Jacoby Beaver
pip: 211
score: 0

Blue is Player 1
XGID=-----ACbBAA--aA-babcbbC-BA:1:1:1:21:0:0:3:0:10
Blue to play 21

Mike wrote: By keeping the 24pt, and entering on the 23pt, Blue gives himself two espcaping numbers, 5 and 6.

Tim wrote: If we shift a White checker from her 9pt to her 8pt then this argument should no longer apply, right?

Not exactly. The shift you propose gives White a much stronger block, a solid five-prime instead of a broken five-prime. That sounds like a good reason not to get hit. In your variant, and also in the original position, this may be the most important factor. Hara kiri is the wrong idea in both positions. To me, that seems more likely than a theory that the containment value of a two-point block is the motivation for making the 9pt.

Mike

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