• Not too many choices for this 55

    From Timothy Chow@21:1/5 to All on Sat Jan 27 09:06:45 2024
    XGID=-----CBBb---eE---aBc-bb-A-:0:0:1:55:0:0:0:0:10

    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 X |
    | X X | | O O O |
    | X | | O |
    | X | | |
    | X | | |
    | |BAR| |
    | O | | |
    | O | | |
    | O | | X |
    | O O X | | X X |
    | O O X | | X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 166 O: 139 X-O: 0-0
    Cube: 1
    X to play 55

    ---
    Tim Chow

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Timothy Chow@21:1/5 to All on Fri Feb 2 08:29:02 2024
    XGID=-----CBBb---eE---aBc-bb-A-:0:0:1:55:0:0:0:0:10

    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 X |
    | X X | | O O O |
    | X | | O |
    | X | | |
    | X | | |
    | |BAR| |
    | O | | |
    | O | | |
    | O | | X |
    | O O X | | X X |
    | O O X | | X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 166 O: 139 X-O: 0-0
    Cube: 1
    X to play 55

    Both 6/1(2) and 18/13(2) are ugly. But 6/1(2) at least retains some
    flexibility and board coverage. X is still behind in the race even
    after this roll, so that argues for staying back. For comparison, see
    the variant below.

    1. Rollout¹ 7/2(2) 6/1(2) eq:-0.587
    Player: 36.32% (G:7.96% B:0.18%)
    Opponent: 63.68% (G:19.79% B:0.70%)
    Confidence: ±0.014 (-0.601..-0.573) - [100.0%]

    2. Rollout¹ 18/13(2) 7/2(2) eq:-0.726 (-0.139)
    Player: 33.60% (G:7.21% B:0.25%)
    Opponent: 66.40% (G:22.72% B:0.50%)
    Confidence: ±0.013 (-0.739..-0.713) - [0.0%]

    ¹ 1296 Games rolled with Variance Reduction.
    Dice Seed: 271828
    Moves: 3-ply, cube decisions: XG Roller

    eXtreme Gammon Version: 2.19.211.pre-release

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

    XGID=-A---CBBb---eD---aBc-bb-A-:0:0:1:55:0:0:0:0:10

    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 X |
    | X X | | O O O |
    | X | | O |
    | X | | |
    | | | |
    | |BAR| |
    | O | | |
    | O | | |
    | O | | X |
    | O O X | | X X |
    | O O X | | X X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 154 O: 139 X-O: 0-0
    Cube: 1
    X to play 55

    1. Rollout¹ 18/13(2) 7/2(2) eq:-0.613
    Player: 36.12% (G:8.50% B:0.23%)
    Opponent: 63.88% (G:21.09% B:0.50%)
    Confidence: ±0.007 (-0.620..-0.606) - [72.7%]

    2. Rollout¹ 7/2(2) 6/1(2) eq:-0.616 (-0.003)
    Player: 36.25% (G:7.19% B:0.11%)
    Opponent: 63.75% (G:20.51% B:0.68%)
    Confidence: ±0.008 (-0.624..-0.608) - [27.3%]

    ¹ 5184 Games rolled with Variance Reduction.
    Dice Seed: 271828
    Moves: 3-ply, cube decisions: XG Roller

    eXtreme Gammon Version: 2.19.211.pre-release

    ---
    Tim Chow

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