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Backgammon => Backgammon problems => Topic started by: PersianLord on March 04, 2008, 05:58:59 PM

Poll
Question: Red to play 3-2
Option 1: 4/1-3/1 votes: 0
Option 2: 4/2-3/off votes: 3
Option 3: 6/4-6/3 votes: 7
Option 4: 5/3-5/2 votes: 0
Option 5: 6/1 votes: 0
Title: Position # 15
Post by: PersianLord on March 04, 2008, 05:58:59 PM
Score :        Red 8-6 White
Pip-counts : Red 50-118 White
Match :        9-point

(http://www.freewebs.com/persianlord/position15.png)

Position ID: btuAAWC3uw0AAA, Match ID: 8AktAWAAQAAA




Spoiler
Red is just at the edge of winning the game and the match and here the wise player realizes that he must play as safely as he can. So instead of committing a greedy bear-off, red must put his checkers as close as he can thus he may not get a late shot in case of happening some unlucky rolls. GNUBG put this as :

    1. Cubeful 2-ply    6/4 6/3                       MWC: 98.37%   Eq.:  +0.933
       0.966 0.649 0.003 - 0.034 0.000 0.000
    2. Cubeful 2-ply    4/2 3/off                     MWC: 97.37%    Eq.:  +0.891 ( -0.041)
       0.946 0.735 0.006 - 0.054 0.000 0.000
     
    3. Cubeful 2-ply    4/1 3/1                       MWC: 96.95%   Eq.:  +0.874 ( -0.058)
       0.937 0.683 0.003 - 0.063 0.000 0.000
     
    4. Cubeful 2-ply    5/3 5/2                       MWC: 95.35%   Eq.:  +0.850 ( -0.083)
       0.925 0.612 0.003 - 0.075 0.001 0.000
       
    5. Cubeful 2-ply    6/1                             MWC: 87.95%   Eq.:  +0.503 ( -0.430)
       0.752 0.523 0.004 - 0.248 0.016 0.000

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Title: Re: Position # 15
Post by: nixo on March 04, 2008, 07:31:01 PM
Looks like an easy one  :cool:

Spoiler
There red only need 1 point.
His main and only goal is to bearoff safely and let white goes out quickly.

I vote 6-3 6-4.
after that play no bad rolls and even with a 66 white is still an big underdog

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