Opening Rolls

 

6-6 Close your opponent's bar point and your own bar point by playing 24/18(2), 3/7(2).
5-5 Move two checkers from your midpoint to the three point by playing 13/3(2).
4-4 Close the twenty point and the nine point by playing 24/20(2), 13/9(2).
3-3 Close the twenty-one point and the five point by playing 24/21(2), 8/5(2).  The twenty-one point has a strategic value similar to the twenty point.
2-2 Close the twenty point by playing 24/20(2).  Another strong play would be to close the eleven and four points by playing 13/11(2), 6/4(2).
1-1 Close your bar point (seven point) and five point by playing 8/7(2), 6/5(2).
2-1 The slotting play 13/11, 6/5 and the splitting play 24/23, 13/11, the two most common plays, seem to be about equal.   Nothing else is a serious contender.
3-1 8/5, 6/5 is obviously the only play.
4-1 The splitting play 24/23, 13/9 has come out clearly superior to the slotting play 13/9, 6/5.  Probably the reason is that with the builder on the 9 point, there are so many good pointing numbers nex turn anyway that you don't need the 5 point slotted.
5-1 The splitting play 24/23, 13/8 has come out a bit better than the sloting play 13/8, 6/5.  A third less common alternative, 24/18, came out clearly worse.
6-1 The obvious 13/7, 8/7 is correct.
3-2 The splitting play 24/21, 13/11 came out a bit better than 13/10, 13/11.
4-2 8/4, 6/4 of course.
5-2 The normal play for years has been 13/11, 13/8.  However, the newer splitting play 24/22, 13/8 (shunned because of the crushing 5-5 threat) has come out a bit better.  The slotting play of 13/8, 6/4 (which used to be my choice) did not survive the rollouts -- it was clearly inferior.
6-2 The spliting play of 24/18, 13/11 comes out fairly clearly superior.  Running with 24/16 is 2nd, but the run isn't fair enough.  Slotting with 13/5 (is a common choice several years ago) was definately in third place.
4-3 The building play of 13/10, 13/9 and the common splitting play of 24/20, 13/10 were just about tied.  The alternative split of 24/21, 13/9 was only a little behind.
5-3 The simple 8/3, 6/3 is clearly best.  The once common 13/10, 13/8 has been found fastly inferior.
6-3 The spliting 24/18, 13/10   comes out best, but the runnng play of 24/15 is not too far behind.
5-4 Splitting with 24/20, 13/8 and building with 13/9, 13/8 come out quite close (that builder on the 9 point is powerful), with the split generally a tiny bit better.  24/15 is weaker still.
6-4 Both running with the 24/14 and splitting with 24/18, 13/9 are about equal.  However the once laughed at 8/2, 6/2 has reared its head as a serious contender and comes out about equal with the other choices -- nice play to try if you get familiar with it, since your opponent probably won't be.
6-5 The simple 24/13  is clearly better than any other possibilities.

Notated Board

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Notated Board

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