• Hit or step up?

    From Timothy Chow@21:1/5 to All on Sun Feb 27 09:48:53 2022
    XGID=--AC-CCbB---aBa--bbcbb-A--:1:1:1:41:0:0:0:0:10

    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 O X |
    | X O O | | O O O |
    | | | O |
    | | | |
    | | | |
    | |BAR| |
    | | | |
    | | | |
    | | | X X X | +---+
    | X O | | X X X | | 2 |
    | O X O | | X X X X | +---+
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 109 O: 126 X-O: 0-0
    Cube: 2, X own cube
    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 Tue Mar 1 08:37:12 2022
    XGID=--AC-CCbB---aBa--bbcbb-A--:1:1:1:41:0:0:0:0:10

    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 O X |
    | X O O | | O O O |
    | | | O |
    | | | |
    | | | |
    | |BAR| |
    | | | |
    | | | |
    | | | X X X | +---+
    | X O | | X X X | | 2 |
    | O X O | | X X X X | +---+
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 109 O: 126 X-O: 0-0
    Cube: 2, X own cube
    X to play 41

    I wanted to post this now, but am in a bit of a hurry so I won't post
    any commentary right now. Maybe later.

    1. Rollout¹ 13/12* 6/2 eq:-0.322
    Player: 31.09% (G:13.99% B:0.28%)
    Opponent: 68.91% (G:15.89% B:0.94%)
    Confidence: ±0.009 (-0.331..-0.313) - [100.0%]

    2. Rollout¹ 23/22 6/2 eq:-0.402 (-0.080)
    Player: 28.62% (G:9.23% B:0.22%)
    Opponent: 71.38% (G:15.71% B:0.57%)
    Confidence: ±0.008 (-0.409..-0.394) - [0.0%]

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

    eXtreme Gammon Version: 2.19.207.pre-release

    ---
    Tim Chow

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Timothy Chow@21:1/5 to Timothy Chow on Tue Mar 1 22:01:57 2022
    I don't have too many comments about this position, but here is a
    variant in which O's return shots are more potent than in the original position.

    XGID=--AC-CCcB---aB---bbcbb-A--:1:1:1:41:0:0:0:0:10

    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 |
    | X O O | | O O O |
    | | | O |
    | | | |
    | | | |
    | |BAR| |
    | | | |
    | | | |
    | O | | X X X | +---+
    | X O | | X X X | | 2 |
    | O X O | | X X X X | +---+
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 109 O: 133 X-O: 0-0
    Cube: 2, X own cube
    X to play 41

    1. Rollout¹ 23/22 6/2 eq:-0.234
    Player: 34.45% (G:11.15% B:0.19%)
    Opponent: 65.55% (G:14.18% B:0.50%)
    Confidence: ±0.008 (-0.243..-0.226) - [100.0%]

    2. Rollout¹ 13/12* 6/2 eq:-0.300 (-0.065)
    Player: 31.73% (G:14.32% B:0.15%)
    Opponent: 68.27% (G:15.27% B:0.81%)
    Confidence: ±0.008 (-0.308..-0.291) - [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

    On 3/1/2022 8:37 AM, Timothy Chow wrote:
    XGID=--AC-CCbB---aBa--bbcbb-A--:1:1:1:41:0:0:0:0:10

    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  O     X    |
     | X           O  O |   | O  O  O          |
     |                  |   | O                |
     |                  |   |                  |
     |                  |   |                  |
     |                  |BAR|                  |
     |                  |   |                  |
     |                  |   |                  |
     |                  |   | X  X     X       | +---+
     |             X  O |   | X  X     X       | | 2 |
     | O           X  O |   | X  X     X  X    | +---+
     +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count  X: 109  O: 126 X-O: 0-0
    Cube: 2, X own cube
    X to play 41

    I wanted to post this now, but am in a bit of a hurry so I won't post
    any commentary right now.  Maybe later.

        1. Rollout¹    13/12* 6/2                   eq:-0.322
          Player:   31.09% (G:13.99% B:0.28%)
          Opponent: 68.91% (G:15.89% B:0.94%)
          Confidence: ±0.009 (-0.331..-0.313) - [100.0%]

        2. Rollout¹    23/22 6/2                    eq:-0.402 (-0.080)
          Player:   28.62% (G:9.23% B:0.22%)
          Opponent: 71.38% (G:15.71% B:0.57%)
          Confidence: ±0.008 (-0.409..-0.394) - [0.0%]

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

    eXtreme Gammon Version: 2.19.207.pre-release

    ---
    Tim Chow

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