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Comparing 10/9 11/7 to 13/9 8/7

Posted By: Nack Ballard
Date: Wednesday, 23 December 2009, at 7:59 p.m.

In Response To: Prime Time revisited xg score 0-0 (Carlo Melzi)

Can 10/9 11/7 be a contender as well?
I guess it is worse than 13/9 8/7 because of the duplication of ones (to come up) and fives and sixes (to hit on the 3pt) on the next roll?

Nack: You're right that it is duplication of 1s, but it is not coming up with the 1 but rather entering/hitting from the roof (where White will always be) when Blue hits loose (the rest of his numbers either escape or point on the 1pt). In other words, the sequence goes 10/9 11/7, Blue hits loose on 1pt with around 15 numbers, and White's 61 51 11 enter (hitting) and cover the prime.

If White instead has played 13/9 8/7 in the above sequence, she will be able to enter/cover with 51 41 31 11 and occasionally hit twice (24pt and 18pt) with 61: that's 2 extra aces (sometimes 4).

In addition, if Blue hits loose or points on the 1pt (25 numbers -- all non-4s), White's 62 (escaping and reducing Blue's follow-up hits) is diversified if the move before was 13/9 8/7 rather than 10/9 11/7: that is, all 2s except 21 either cover or escape, instead of 42 and 21 both being lame.

Hope that helps.

Nack

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