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S (doublets) on the third and fourth roll

Posted By: Nack Ballard
Date: Sunday, 4 March 2012, at 11:09 p.m.

In Response To: S versus @ (Taper_Mike)

52S-52D-22-s

Above is a third roll example, at gammon save, where S (Split/doublets, 24/20 22/20 13/11) is the best play. [The runner-up is M (Mayfair split, 24/22 13/11 6/4(2).]

Below is an example of double 2s on the fourth roll, for money, where S is the best play:

51S-52S-32@-22

The best play is S (Split/doublets, 24/20 22/20 13/11). The second best play is C (Cross 3:1, 24/20 22/20 8/6).

Note that B is the only one of the six BEACON letters that does not have an underlined family. S substitutes for the 3:1 representation of B, and Z substitutes for the 1:3 representation of B. Division of labor for B/S/Z doublets (scroll past the first two diagrams).

Nack

Messages In This Thread

• 61P-63R-62Z-61P-52@-52
  Timothy Chow -- Friday, 2 March 2012, at 4:26 p.m.
  • 61P-63R-62Z-61P-52@-52
    pontiac -- Friday, 2 March 2012, at 6:01 p.m.
  • 61P-63R-62Z-61P-52Z-52
    Nack Ballard -- Saturday, 3 March 2012, at 4:22 p.m.
    • S versus @
      Timothy Chow -- Sunday, 4 March 2012, at 7:18 p.m.
      • S versus @
        Taper_Mike -- Sunday, 4 March 2012, at 9:27 p.m.
        • S (doublets) on the third and fourth roll
          Nack Ballard -- Sunday, 4 March 2012, at 11:09 p.m.
          • S (doublets) on the third and fourth roll
            Taper_Mike -- Monday, 5 March 2012, at 6:01 a.m.
  • Rollout: 61P-63R-62Z-61P-52@-52
    Timothy Chow -- Saturday, 3 March 2012, at 8:22 p.m.
    • Variant
      pontiac -- Monday, 5 March 2012, at 9:06 a.m.