• 7-away/7-away recube action

    From Timothy Chow@21:1/5 to All on Sun Oct 9 07:46:48 2022
    Note that X is on the bar.


    XGID=-dDBCBa---A--A--babbaA-b-A:1:1:1:00:0:0:0:7:10

    X:Player 1 O:Player 2
    Score is X:0 O:0 7 pt.(s) match.
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O O O | | O O X O |
    | O O | | O O |
    | | | |
    | | | |
    | | X | |
    | |BAR| |
    | | | |
    | | | X O |
    | | | X X O | +---+
    | | | X X X X O | | 2 |
    | X | | O X X X X O | +---+
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 105 O: 176 X-O: 0-0/7
    Cube: 2, X own cube
    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 Tue Oct 11 09:17:50 2022
    XGID=-dDBCBa---A--A--babbaA-b-A:1:1:1:00:0:0:0:7:10

    X:Player 1 O:Player 2
    Score is X:0 O:0 7 pt.(s) match.
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O O O | | O O X O |
    | O O | | O O |
    | | | |
    | | | |
    | | X | |
    | |BAR| |
    | | | |
    | | | X O |
    | | | X X O | +---+
    | | | X X X X O | | 2 |
    | X | | O X X X X O | +---+
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 105 O: 176 X-O: 0-0/7
    Cube: 2, X own cube
    X on roll, cube action

    According to the rollouts below, this is a redouble for money,
    but ATS, it's a big blunder to redouble. A lot of X's advantage
    comes from his gammon wins, and redoubling to 4 decreases his
    gammon value.

    Analyzed in Rollout
    No redouble
    Player Winning Chances: 58.73% (G:39.73% B:13.02%)
    Opponent Winning Chances: 41.27% (G:9.50% B:0.75%)
    Redouble/Take
    Player Winning Chances: 57.81% (G:38.79% B:26.05%)
    Opponent Winning Chances: 42.19% (G:8.33% B:1.19%)

    Cubeful Equities:
    No redouble: +0.672
    Redouble/Take: +0.480 (-0.192)
    Redouble/Pass: +1.000 (+0.328)

    Best Cube action: No redouble / Take
    Percentage of wrong pass needed to make the double decision right: 26.9%

    Rollout:
    1296 Games rolled with Variance Reduction.
    Dice Seed: 271828
    Moves: 3-ply, cube decisions: XG Roller
    Confidence No Double: ± 0.019 (+0.653..+0.690)
    Confidence Double: ± 0.027 (+0.453..+0.507)

    eXtreme Gammon Version: 2.19.207.pre-release, MET: Kazaross XG2

    -----
    Money
    -----

    XGID=-dDBCBa---A--A--babbaA-b-A:1:1:1:00:0:0:0:0:10

    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 X O |
    | O O | | O O |
    | | | |
    | | | |
    | | X | |
    | |BAR| |
    | | | |
    | | | X O |
    | | | X X O | +---+
    | | | X X X X O | | 2 |
    | X | | O X X X X O | +---+
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 105 O: 176 X-O: 0-0
    Cube: 2, X own cube
    X on roll, cube action

    Analyzed in Rollout
    No redouble
    Player Winning Chances: 59.00% (G:39.51% B:9.20%)
    Opponent Winning Chances: 41.00% (G:9.48% B:0.66%)
    Redouble/Take
    Player Winning Chances: 58.80% (G:39.54% B:9.34%)
    Opponent Winning Chances: 41.20% (G:9.52% B:0.68%)

    Cubeful Equities:
    No redouble: +0.718 (-0.038)
    Redouble/Take: +0.756
    Redouble/Pass: +1.000 (+0.244)

    Best Cube action: Redouble / Take

    Rollout:
    1296 Games rolled with Variance Reduction.
    Dice Seed: 271828
    Moves: 4-ply, cube decisions: XG Roller+
    Search interval: Large
    Confidence No Double: ± 0.013 (+0.705..+0.731)
    Confidence Double: ± 0.024 (+0.732..+0.780)

    eXtreme Gammon Version: 2.19.207.pre-release

    ---
    Tim Chow

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