• Holding game cube action

    From Timothy Chow@21:1/5 to All on Fri Jan 7 23:35:37 2022
    XGID=--Bb-aECB--A---Bababcab---:0:0:1:00:0:0:0:0:10

    X:Player 1 O:Player 2
    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O O O | | O O O O |
    | X O | | O O O |
    | | | O |
    | | | |
    | | | |
    | |BAR| |
    | | | X |
    | | | X |
    | X | | X |
    | X X | | X O X |
    | X X X | | X O O X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 112 O: 133 X-O: 0-0
    Cube: 1
    X on roll, cube action

    ---
    Tim Chow

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Timothy Chow@21:1/5 to All on Sun Jan 9 22:19:51 2022
    XGID=--Bb-aECB--A---Bababcab---:0:0:1:00:0:0:0:0:10

    X:Player 1 O:Player 2
    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O O O | | O O O O |
    | X O | | O O O |
    | | | O |
    | | | |
    | | | |
    | |BAR| |
    | | | X |
    | | | X |
    | X | | X |
    | X X | | X O X |
    | X X X | | X O O X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 112 O: 133 X-O: 0-0
    Cube: 1
    X on roll, cube action

    It seemed to me that a moderately lucky exchange for X, such as
    rolling 31, followed by O entering with something like 42, would
    lose my market. But XG regards that as a comfortable take. So
    it stands to reason that XG would not double here.

    Analyzed in Rollout
    No double
    Player Winning Chances: 65.75% (G:8.82% B:0.34%)
    Opponent Winning Chances: 34.25% (G:6.28% B:0.19%)
    Double/Take
    Player Winning Chances: 65.96% (G:8.87% B:0.35%)
    Opponent Winning Chances: 34.04% (G:6.37% B:0.21%)

    Cubeful Equities:
    No double: +0.597
    Double/Take: +0.497 (-0.101)
    Double/Pass: +1.000 (+0.403)

    Best Cube action: No double / Take
    Percentage of wrong pass needed to make the double decision right: 16.7%

    Rollout:
    1296 Games rolled with Variance Reduction.
    Dice Seed: 271828
    Moves: 3-ply, cube decisions: XG Roller
    Confidence No Double: ± 0.011 (+0.586..+0.609)
    Confidence Double: ± 0.018 (+0.479..+0.514)

    eXtreme Gammon Version: 2.19.207.pre-release

    ---
    Tim Chow

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)