• Double 1's yet again

    From Timothy Chow@21:1/5 to All on Sun Feb 25 09:31:32 2024
    XGID=aCC--BBBC---b---ab-cc-ba--:1:-1:1:11:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | O O | | O O O O | +---+
    | O | | O O O | | 2 |
    | | | O O | +---+
    | | | |
    | | | |
    | |BAR| |
    | | O | |
    | | | |
    | X | | X X |
    | O X X | | X X X X |
    | O X X | | X X X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 69 O: 117 X-O: 0-0
    Cube: 2, O own cube
    X to play 11

    ---
    Tim Chow

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Timothy Chow@21:1/5 to All on Sat Mar 2 10:45:18 2024
    XGID=aCC--BBBC---b---ab-cc-ba--:1:-1:1:11:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | O O | | O O O O | +---+
    | O | | O O O | | 2 |
    | | | O O | +---+
    | | | |
    | | | |
    | |BAR| |
    | | O | |
    | | | |
    | X | | X X |
    | O X X | | X X X X |
    | O X X | | X X X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 69 O: 117 X-O: 0-0
    Cube: 2, O own cube
    X to play 11

    I found this to be a surprising point-switching play.

    1. Rollout¹ 8/6 5/4(2) eq:+0.840
    Player: 87.67% (G:13.37% B:0.03%)
    Opponent: 12.33% (G:0.59% B:0.02%)
    Confidence: ±0.004 (+0.836..+0.844) - [100.0%]

    2. Rollout¹ 6/4(2) eq:+0.798 (-0.042)
    Player: 86.73% (G:11.57% B:0.03%)
    Opponent: 13.27% (G:1.04% B:0.04%)
    Confidence: ±0.004 (+0.793..+0.802) - [0.0%]

    3. Rollout¹ 7/6(2) 5/4(2) eq:+0.788 (-0.052)
    Player: 86.19% (G:11.81% B:0.03%)
    Opponent: 13.81% (G:0.96% B:0.03%)
    Confidence: ±0.004 (+0.784..+0.792) - [0.0%]

    4. Rollout¹ 8/5 2/1 eq:+0.780 (-0.060)
    Player: 84.93% (G:13.96% B:0.03%)
    Opponent: 15.07% (G:0.96% B:0.04%)
    Confidence: ±0.004 (+0.776..+0.784) - [0.0%]

    5. Rollout¹ 8/5 7/6 eq:+0.770 (-0.070)
    Player: 83.82% (G:16.33% B:0.05%)
    Opponent: 16.18% (G:1.13% B:0.04%)
    Confidence: ±0.004 (+0.765..+0.774) - [0.0%]

    6. Rollout¹ 7/6 7/5 2/1 eq:+0.753 (-0.087)
    Player: 84.22% (G:12.91% B:0.03%)
    Opponent: 15.78% (G:0.94% B:0.03%)
    Confidence: ±0.004 (+0.749..+0.757) - [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

    ---
    Tim Chow

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