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41S-54, rollateer sought

Posted By: Nack Ballard
Date: Wednesday, 3 August 2011, at 8:27 a.m.

41S-54

As David Rockwell recently reminded me, the latest rollouts for 41S-54 suggest (again) that it might be a technical four-score position. Below are rollout results (money, dmp, gammon save, gammon go) to date:

[S X4 R9 D20] ~31 (Dennis, Gary)
[X S6 R9 D18] /46**15 (Stick)
[X S2 R4 D19] <62**36 (David)
[S X2 R9] ^46 (Neil)

d[R S1 X3] /10 (Stick)
d[R S1 X5] <31 (David)
d[R S1 X2] <5 (Stick)
d[R S2 X3 D17] <31**15 (Stick, David)

s[X S4 R17] /15 (Stick)
s[X S9 R24] <31 (David)
s[X S4 R17 D22 H23] "<31*20 15 (David)

g[X D5 S9 H10] /5 (Stick)
g[D X5 R12] <31 (David)
g[D X2 S11 H13] "<31 (David)

In short, R (Run, 24/15) seems best at dmp, X (hit-and-split, 24/20 6/1*) is best at gammon save, and D (Down, 13/9 13/8) seems best at gammon go.

For money, the bots don't agree, and there is still variance in 62k trials. Basically, S, X and R are tied. If S (Split, 24/20 13/8) is best, there is a good chance that we have confirmed a technical four-score position.

Is there a rollateer (rollout volunteer) interested in starting an XG2 4-ply rollout of 41S-54? The first goal is to reach 20k of S, X and R. Beyond that, probably just S and X to at least 100k trials. It can be stopped at any point and someone else can extend it.

Nack

Messages In This Thread

• 41S-54, rollateer sought
  Nack Ballard -- Wednesday, 3 August 2011, at 8:27 a.m.
  • I'll do 46k for money *NM*
    neilkaz -- Wednesday, 3 August 2011, at 3:23 p.m.
    • Noted -- thanks to Bob and Neil *NM*
      Nack Ballard -- Thursday, 4 August 2011, at 12:07 a.m.
  • 41S-54, rollateer sought
    Bob Koca -- Wednesday, 3 August 2011, at 4:53 p.m.
  • After 25k for $
    neilkaz -- Saturday, 6 August 2011, at 7:53 p.m.
    • After 25k for $
      Nack Ballard -- Monday, 8 August 2011, at 4:40 a.m.
      • 41-54, extension to 46k
        Nack Ballard -- Tuesday, 9 August 2011, at 10:17 p.m.
  • 41S-54, rollateer sought
    Nack Ballard -- Thursday, 18 August 2011, at 4:49 a.m.
    • 41S-54, rollateer sought
      Stick -- Thursday, 18 August 2011, at 4:59 a.m.
      • 41S-54, rollateer sought
        Nack Ballard -- Thursday, 18 August 2011, at 6:59 a.m.
    • 41S-54-g — Question for Nack or David
      Taper_Mike -- Wednesday, 29 February 2012, at 5:28 a.m.
      • 41S-54-g — Question for Nack or David
        David Rockwell -- Wednesday, 29 February 2012, at 6:08 a.m.
        • 41S-54-g — Question for Nack or David
          Taper_Mike -- Wednesday, 29 February 2012, at 11:06 a.m.
          • 41S-54-g — Question for Nack or David
            David Rockwell -- Wednesday, 29 February 2012, at 3:59 p.m.
            • 41S-54-g — Question for Nack or David
              Nack Ballard -- Wednesday, 29 February 2012, at 4:26 p.m.
              • 41S-54-g — Question for Nack or David
                Taper_Mike -- Wednesday, 29 February 2012, at 11:57 p.m.
  • 41S-54, rollateer sought
    Jason Lee -- Thursday, 18 August 2011, at 1:04 p.m.
  • Money extension assigned
    Nack Ballard -- Thursday, 18 August 2011, at 5:13 p.m.