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61P-31P-33, 65R-61P-31P-33, and twin variants

Posted By: Nack Ballard
Date: Sunday, 6 February 2011, at 1:48 a.m.

In Response To: Correct Play in Related 65R-61P-31P-33 is Different (Paul Weaver)

163


2O ' ' '2X4X '2X ' ' '4O

2X ' ' ' '5O2O2O ' ' '5X

61P-31P-33160


152


2O ' ' '2X4X '2X ' ' '4O

1X ' ' ' '5O2O2O ' ' '6X

65R-61P-31P-33160


It may seem odd that I prefer C (Cross, 24/21(2) 8/5(2) in your original left-hand position (where Blue is +15 pips after the roll), and R (Run, 24/18(2)) in your variant right-hand position (where Blue is only +4 pips after the roll), but Blue has less of an advantage to press on the right; it is harder to prime one checker. Also, due to the six-checker midpoint and lone back checker, you gain more by blocking 66 and 61 on the right.

R gives White more numbers to run into the outfield, but in compensation there are more numbers to hit there when indirects come from the 18pt instead of the 21pt.

E (Each, 24/21(2) 6/3(2)) looks like a good move in either position. Based on your hint, I can imagine that the best plays in the two positions (left, right) are any of: R, C (my main guess); or E, C; or R, E.

Below is a pair of twin variants for your consideration:

147


2O '2X ' '5X '3X ' ' '4O

2X ' ' ' '5O2O2O ' ' '3X

61P-55P-33160


136


2O '2X ' '5X '3X ' ' '4O

1X ' ' ' '5O2O2O ' ' '4X

65R-61P-55P-33160


Nack

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