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BGonline.org Forums
Which bar? #1 (54S-44P-61) -- spoiler
Posted By: Nack Ballard In Response To: Which bar? #1 (54S-44P-61) (Timothy Chow)
Date: Saturday, 12 April 2014, at 4:47 a.m.
White is Player 2
score: 0
pip: 163Unlimited Game
Jacoby Beaverpip: 163
score: 0
Blue is Player 1XGID=-b----E-D---eD---b-db---AA:0:0:1:00:0:0:3:0:10 54S-31P-x1
If you widen your window, the two positions above will appear side by side. Blue has opened with 54S, White has pointed on her 5pt (with 31P in the first position, with 44P in the second position), and Blue is on roll. For study, this is a useful position pair, and indeed it is analyzed in Backgammon Openings (diagrams A195–A202).
White is Player 2
score: 0
pip: 151Unlimited Game
Jacoby Beaverpip: 163
score: 0
Blue is Player 1XGID=-b----E-D---cD---c-eb---AA:0:0:1:00:0:0:3:0:10 54S-44P-x1
When you roll an ace, your moves are easy to remember. In the first (left) position, play a member of the U (Up) family. In the second (right) position, anchor and come down with the other number (that includes 8/7 if you roll double 1s, with 6/5(2) being assumed).
The solitary exception is if you roll a 61, where (in both positions) U (Up, bar/18) is best. Otherwise, you'd leave the opponent a direct shot from her 24pt.
........U (Up, bar/18)
Nack
P.S. Tim, I'm interested in a fifth-roll variant of your (54S-44P-61) position, with Blue's second 8pt spare back on her midpoint, which is diagrammed below. (If you don't have time to roll it out, let me know and I'll add it to my queue.) Anyone should feel free to express an opinion in the meantime...
White is Player 2
score: 0
pip: 151Unlimited Game
Jacoby Beaverpip: 168
score: 0
Blue is Player 1XGID=-b----E-C---cE---c-eb---AA:0:0:1:61:0:0:3:0:10 64R-32D-F-65P-61
It can be legally reached on the third roll. :)
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