• Bearoff: forced to leave a shot 3

    From Timothy Chow@21:1/5 to All on Mon Feb 7 09:36:38 2022
    XGID=-aCDCaB----------------fg-:1:-1:1:51:0:0:0:0:10

    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-+
    | | | O O | +---+
    | | | O O | | 2 |
    | | | O O | +---+
    | | | O O |
    | | | 6 7 |
    | |BAR| |
    | | | |
    | | | X |
    | | | X X X |
    | | | X X X X |
    | | | X O X X X O |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 42 O: 63 X-O: 0-0
    Cube: 2, O own cube
    X to play 51

    ---
    Tim Chow

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Timothy Chow@21:1/5 to All on Wed Feb 9 09:34:06 2022
    XGID=-aCDCaB----------------fg-:1:-1:1:51:0:0:0:0:10

    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-+
    | | | O O | +---+
    | | | O O | | 2 |
    | | | O O | +---+
    | | | O O |
    | | | 6 7 |
    | |BAR| |
    | | | |
    | | | X |
    | | | X X X |
    | | | X X X X |
    | | | X O X X X O |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 42 O: 63 X-O: 0-0
    Cube: 2, O own cube
    X to play 51

    6/5*/off gets another checker off but leaves 14 return shots instead
    of 13, while 6/1* 2/1 creates a four-point board and probably has
    less future short jeopardy. With O's board being crunched, the extra
    return shot is not a big deal compared to the extra checker off.

    1. Rollout¹ 6/5* 5/Off eq:+1.153
    Player: 94.70% (G:26.61% B:0.90%)
    Opponent: 5.30% (G:0.00% B:0.00%)
    Confidence: ±0.002 (+1.151..+1.155) - [100.0%]

    2. Rollout¹ 6/1* 2/1 eq:+1.100 (-0.053)
    Player: 93.69% (G:24.38% B:0.34%)
    Opponent: 6.31% (G:0.00% B:0.00%)
    Confidence: ±0.003 (+1.098..+1.103) - [0.0%]

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

    eXtreme Gammon Version: 2.19.207.pre-release

    ---
    Tim Chow

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