• Do something that lets you take a double

    From Timothy Chow@21:1/5 to All on Wed Jan 5 21:46:22 2022
    The subject line is a favorite trash-talking line of a friend of mine.

    XGID=-ABaB-CBCa-----A-bbdb-c--A: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-+
    | X O O | | O O O | +---+
    | O O | | O O O | | 2 |
    | | | O O | +---+
    | | | O |
    | | X | |
    | |BAR| |
    | | | |
    | | | |
    | X | | X |
    | X X | | X X X |
    | O X X | | X X O X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 109 O: 111 X-O: 0-0
    Cube: 2, O own cube
    X to play 51

    ---
    Tim Chow

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  • From Timothy Chow@21:1/5 to All on Fri Jan 7 23:34:50 2022
    XGID=-ABaB-CBCa-----A-bbdb-c--A: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-+
    | X O O | | O O O | +---+
    | O O | | O O O | | 2 |
    | | | O O | +---+
    | | | O |
    | | X | |
    | |BAR| |
    | | | |
    | | | |
    | X | | X |
    | X X | | X X X |
    | O X X | | X X O X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 109 O: 111 X-O: 0-0
    Cube: 2, O own cube
    X to play 51

    Hitting might be the DMP play, but it loses way too many gammons.
    15/10 might seem to reduce shots, but O's 6's are duplicated to
    hit and jump out; O won't even hit with 61 or 42. The pedestrian
    6/1 might not seem to do much, but it does strengthen X's board,
    which is always a good thing when there might be an exchange of
    hits soon.

    Apropos the subject line, 15/10 doesn't even allow X to take a double, according to XG.

    1. Rollout¹ Bar/24 6/1 eq:-0.722
    Player: 32.82% (G:7.83% B:0.17%)
    Opponent: 67.18% (G:19.79% B:0.63%)
    Confidence: ±0.015 (-0.736..-0.707) - [100.0%]

    2. Rollout¹ Bar/24 8/3* eq:-0.900 (-0.179)
    Player: 33.04% (G:11.12% B:0.36%)
    Opponent: 66.96% (G:31.26% B:2.64%)
    Confidence: ±0.018 (-0.918..-0.882) - [0.0%]

    3. Rollout¹ Bar/24 15/10 eq:-1.000 (-0.278)
    Player: 27.12% (G:5.75% B:0.22%)
    Opponent: 72.88% (G:20.67% B:0.57%)
    Confidence: ±0.000 (-1.000..-1.000) - [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

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  • From J R@21:1/5 to Tim Chow on Wed Jan 12 17:44:26 2022
    On Friday, January 7, 2022 at 11:34:55 PM UTC-5, Tim Chow wrote:
    XGID=-ABaB-CBCa-----A-bbdb-c--A: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-+
    | X O O | | O O O | +---+
    | O O | | O O O | | 2 |
    | | | O O | +---+
    | | | O |
    | | X | |
    | |BAR| |
    | | | |
    | | | |
    | X | | X |
    | X X | | X X X |
    | O X X | | X X O X X |
    +12-11-10--9--8--7-------6--5--4--3--2--1-+
    Pip count X: 109 O: 111 X-O: 0-0
    Cube: 2, O own cube
    X to play 51
    Hitting might be the DMP play, but it loses way too many gammons.
    15/10 might seem to reduce shots, but O's 6's are duplicated to
    hit and jump out; O won't even hit with 61 or 42. The pedestrian
    6/1 might not seem to do much, but it does strengthen X's board,
    which is always a good thing when there might be an exchange of
    hits soon.

    Apropos the subject line, 15/10 doesn't even allow X to take a double, according to XG.

    1. Rollout¹ Bar/24 6/1 eq:-0.722
    Player: 32.82% (G:7.83% B:0.17%)
    Opponent: 67.18% (G:19.79% B:0.63%)
    Confidence: ±0.015 (-0.736..-0.707) - [100.0%]

    2. Rollout¹ Bar/24 8/3* eq:-0.900 (-0.179)
    Player: 33.04% (G:11.12% B:0.36%)
    Opponent: 66.96% (G:31.26% B:2.64%)
    Confidence: ±0.018 (-0.918..-0.882) - [0.0%]

    3. Rollout¹ Bar/24 15/10 eq:-1.000 (-0.278)
    Player: 27.12% (G:5.75% B:0.22%)
    Opponent: 72.88% (G:20.67% B:0.57%)
    Confidence: ±0.000 (-1.000..-1.000) - [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

    Hitting certainly is the dmp play.

    Stick

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