Re: [Bug-gnubg] Cubeful vs. Cubeless

[Øystein Johansen]

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Joachim Matussek wrote:
|
| i have attached an example.
|

Hi,

Thanks for the example.

I have also found this:

~ GNU Backgammon  Position ID: rLsRA0Cb7QQHAA
~                 Match ID   : EYEUAAAAAAAA
~ +12-11-10--9--8--7-------6--5--4--3--2--1-+     O: gnubg
~ | X           O    |   | O  O  O     O  O |     0 points
~ | X                |   | O  O  O     O  O |     Rolled 15
~ |                  |   | O                |
~ |                  |   |                  |
~ |                  |   |                  |
^|                  |BAR|                  |
~ |                  |   |                  |
~ |                  |   |                  |
~ | O                |   | X  X             |
~ | O              X |   | X  X     X       |
~ | O     X        X | X | X  X  X  X       |     0 points
~ +13-14-15-16-17-18------19-20-21-22-23-24-+     X: user (Cube: 2)
Pip counts: O 89, X 118

* gnubg moves 13/7

A cubeless a analysis doesn't realize that the recube comes after a hit.
~ And a recube will increase X's equity so much that O should play 13/8
6/5 instead of 13/7.

- -Øystein
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