• Early blitz cube 3

    From Timothy Chow@21:1/5 to All on Thu Dec 21 09:39:36 2023
    Well, it's not so early in the game, actually, but whatever.

    XGID=aa-C-BC----BbDb-Ac-bbb----:0:0:1:00:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O X O | | O O O |
    | X O O | | O O O |
    | X O | | |
    | X | | |
    | | | |
    | |BAR| |
    | | O | |
    | | | |
    | | | X X |
    | O X | | X X X |
    | O X | | X X X O |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 127 O: 151 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 Dec 24 19:34:05 2023
    XGID=aa-C-BC----BbDb-Ac-bbb----:0:0:1:00:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O X O | | O O O |
    | X O O | | O O O |
    | X O | | |
    | X | | |
    | | | |
    | |BAR| |
    | | O | |
    | | | |
    | | | X X |
    | O X | | X X X |
    | O X | | X X X O |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 127 O: 151 X-O: 0-0
    Cube: 1
    X on roll, cube action

    I question whether it's humanly possible to judge accurately OTB
    both the given position and the variant below, which differs by just
    one pip.

    Analyzed in Rollout
    No double
    Player Winning Chances: 70.97% (G:18.73% B:0.41%)
    Opponent Winning Chances: 29.03% (G:4.76% B:0.17%)
    Double/Take
    Player Winning Chances: 71.02% (G:18.80% B:0.35%)
    Opponent Winning Chances: 28.98% (G:4.93% B:0.20%)

    Cubeful Equities:
    No double: +0.851 (-0.070)
    Double/Take: +0.921
    Double/Pass: +1.000 (+0.079)

    Best Cube action: Double / Take

    Rollout:
    1296 Games rolled with Variance Reduction.
    Dice Seed: 271828
    Moves: 3-ply, cube decisions: XG Roller
    Confidence No Double: ± 0.012 (+0.840..+0.863)
    Confidence Double: ± 0.018 (+0.903..+0.939)

    eXtreme Gammon Version: 2.19.211.pre-release

    -------
    Variant
    -------

    XGID=aa-C-BC----BbDbA-c-bbb----:0:0:1:00:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O X O | | O O O |
    | X O O | | O O O |
    | X O | | |
    | X | | |
    | | | |
    | |BAR| |
    | | O | |
    | | | |
    | | | X X |
    | O X | | X X X |
    | O X | | X X X O |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 126 O: 151 X-O: 0-0
    Cube: 1
    X on roll, cube action

    Analyzed in Rollout
    No double
    Player Winning Chances: 71.70% (G:19.67% B:0.47%)
    Opponent Winning Chances: 28.30% (G:4.58% B:0.18%)
    Double/Take
    Player Winning Chances: 71.84% (G:20.25% B:0.46%)
    Opponent Winning Chances: 28.16% (G:4.78% B:0.23%)

    Cubeful Equities:
    No double: +0.894 (-0.106)
    Double/Take: +1.002 (+0.002)
    Double/Pass: +1.000

    Best Cube action: Double / Pass

    Rollout:
    1296 Games rolled with Variance Reduction.
    Dice Seed: 271828
    Moves: 3-ply, cube decisions: XG Roller
    Confidence No Double: ± 0.011 (+0.884..+0.905)
    Confidence Double: ± 0.015 (+0.986..+1.017)

    eXtreme Gammon Version: 2.19.211.pre-release

    ---
    Tim Chow

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