• I sure hope O doesn't roll snake eyes next

    From Timothy Chow@21:1/5 to All on Tue Feb 13 10:23:37 2024
    XGID=--a-B-EBBb---B----cc-cAcA-:0:0:1:41:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O | | O O X O X |
    | X O | | O O O |
    | O | | O O O |
    | | | |
    | | | |
    | |BAR| |
    | | | X |
    | | | 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: 140 O: 112 X-O: 0-0
    Cube: 1
    X to play 41

    ---
    Tim Chow

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Timothy Chow@21:1/5 to All on Sat Feb 17 16:41:45 2024
    XGID=--a-B-EBBb---B----cc-cAcA-:0:0:1:41:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O | | O O X O X |
    | X O | | O O O |
    | O | | O O O |
    | | | |
    | | | |
    | |BAR| |
    | | | X |
    | | | 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: 140 O: 112 X-O: 0-0
    Cube: 1
    X to play 41

    I decided to hit for tempo, which is not a completely crazy idea,
    but O has a lot of hitting rolls regardless, and playing 6/2*/1 puts
    one of our checkers out of play. By contrast, slotting 6/5 gains a
    lot when it works.

    1. Rollout¹ 24/20 6/5 eq:-0.255
    Player: 46.03% (G:12.36% B:0.83%)
    Opponent: 53.97% (G:28.35% B:1.03%)
    Confidence: ±0.011 (-0.265..-0.244) - [100.0%]

    2. Rollout¹ 6/2* 2/1 eq:-0.408 (-0.153)
    Player: 41.13% (G:10.98% B:0.46%)
    Opponent: 58.87% (G:23.53% B:0.80%)
    Confidence: ±0.014 (-0.423..-0.394) - [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 1
    ---------

    XGID=--a-B-E-Db---B----cc-cAcA-:0:0:1:41:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O | | O O X O X |
    | X O | | O O O |
    | O | | O O O |
    | | | |
    | | | |
    | |BAR| |
    | | | X |
    | X | | X |
    | X | | X |
    | O X | | X X |
    | O X | | X X O |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 142 O: 112 X-O: 0-0
    Cube: 1
    X to play 41

    1. Rollout¹ 6/2* 2/1 eq:-0.614
    Player: 36.64% (G:9.25% B:0.41%)
    Opponent: 63.36% (G:25.80% B:0.93%)
    Confidence: ±0.018 (-0.632..-0.596) - [75.6%]

    2. Rollout¹ 24/20 6/5 eq:-0.622 (-0.009)
    Player: 37.63% (G:9.50% B:0.52%)
    Opponent: 62.37% (G:29.55% B:0.99%)
    Confidence: ±0.018 (-0.640..-0.605) - [24.4%]

    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 2
    ---------

    XGID=---aB-DBCb---B----cc-cAcA-:0:0:1:41:0:0:0:0:10

    Score is X:0 O:0. Unlimited Game
    +13-14-15-16-17-18------19-20-21-22-23-24-+
    | X O | | O O X O X |
    | X O | | O O O |
    | O | | O O O |
    | | | |
    | | | |
    | |BAR| |
    | | | |
    | | | X |
    | 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: 142 O: 111 X-O: 0-0
    Cube: 1
    X to play 41

    1. Rollout¹ 8/3* eq:-0.339
    Player: 43.56% (G:11.67% B:0.57%)
    Opponent: 56.44% (G:24.84% B:1.01%)
    Confidence: ±0.013 (-0.352..-0.327) - [100.0%]

    2. Rollout¹ 24/20 6/5 eq:-0.382 (-0.043)
    Player: 41.87% (G:10.30% B:0.52%)
    Opponent: 58.13% (G:25.53% B:0.76%)
    Confidence: ±0.011 (-0.393..-0.372) - [0.0%]

    3. Rollout¹ 24/20 8/7 eq:-0.385 (-0.046)
    Player: 40.92% (G:9.68% B:0.49%)
    Opponent: 59.08% (G:21.56% B:0.36%)
    Confidence: ±0.012 (-0.397..-0.373) - [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)