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21$-62, data update

Posted By: Nack Ballard
Date: Friday, 18 November 2011, at 4:50 p.m.

In Response To: 21$-62 (Nack Ballard)


2O ' ' '1X4X '3X ' '1X5O

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

21$-62


Thanks to Tommy for his rollouts in this thread. Here is updated data for 21$-62 (money, dmp, save, go):

    [S Z10 N19 $22 D22 R13 U31 W72] ~56*****20 5
    [Z S2 N3 $19 D27 R30] /46**5
    [S Z10 N12 $21 D26 R28 U43] <62**31
    [S Z9 N15 D20] ^19*7 5

    d[S N9 Z10] /10
    d[S N7 Z11 D17 U18 R18 $20] <31*25 15**10 (David, new)
    d[S N7 Z14 R18 U23] "<=10 (Tommy, new)

    s[Z S13] /10 (where is N and $?)
    s[N Z2 $10 S13 D15 R22] "<=46*9 (Tommy, new)

    g[D N1 Z6 $13 S14] /5
    g[N D9 Z18 S18 $20] "<=17 (Tommy, new)

Key: S = Split (24/18 13/11), Z = reverse split (24/22 13/7), N = Near (13/7 6/4), $ = Slot (13/5), D = Down (13/11 13/7), R = Run (24/16), U = Up (24/22 24/18). Margins are in thousandths.

Before brackets, d = dmp, s = save, g = go; else assume money. After brackets is a bot symbol (~ Snowie, / GnuBG, < XG 3-ply, "<= XG2 3-ply with XGRoller cube, ^ XG 4-ply) and the number of trials in thousands, rounded down (an asterisk is a repeater; not necessary after the final number).

For example, g[N D9 Z18 S18 $20] "<=17 means that at (gammon) go, N is best, D is -.009, Z is -.018, S is -.018 and $ is -.020 in an XG2 3-ply rollout with XGRoller cube of 17000+ trials. Note that this result overturns the Gnu rollout result of g[D N1...].

Nack

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