Re: [Bug-gnubg] Funny quirck

[Christian Anthon]

Funny, but right. No reason to change anything, true?

Christian.

On Tue, Apr 14, 2009 at 10:30 AM, Massimiliano Maini
<address@hidden> wrote:
>
> I agree it's "correct". I don't get why gnubg didn't resign before doubling.
>
> Pushing your logic further, gnubg should not resign after the double/take:
> the opponent could resign next turn :) :) :)
>
> MaX.
>
> "Zulli, Louis P" <address@hidden> wrote on 10/04/2009 17:38:42:
>
>> It is funny, but isn't it the "correct" play by X? If X doesn't
>> double, he is certain to lose the match. If X doubles and O passes
>> (not a likely response!) then X survives. So the "correct" play by X
>> is to double, which O accepts. Now X has no way to avoid losing the
>> match, so X resigns. I guess the magnitude of the loss doesn't matter to
>> X.
>>
>> ----- Original Message -----
>> From: "Massimiliano Maini" <address@hidden>
>> To: address@hidden
>> Sent: Friday, April 10, 2009 10:55:45 AM GMT -05:00 US/Canada Eastern
>> Subject: [Bug-gnubg] Funny quirck
>>
>>
>> Hi all,
>>
>> enter this position: 2jbQIBjzAAAAAA:EQH7AEAAEAAA
>>
>>     GNU Backgammon  Position ID: 2jbQIBjzAAAAAA
>>                     Match ID   : EQH7AEAAEAAA
>>     +-1--2--3--4--5--6-------7--8--9-10-11-12-+  O: gnubg
>>  OO | O  X  O          |   | X              X |  4 points
>>  OO | O  X  O          |   |                X |  Rolled 66
>>  OO |       O          |   |                  |
>>  OO |       O          |   |                  |
>>   O |                  |   |                  |
>>     |                  |BAR|                  |^ 7 point match
>>     |                  |   |                  |
>>     |                  |   |                  |
>>     |                  |   |                  |
>>     |       X  X  X  X |   |                  |
>>     |    X  X  X  X  X |   |                X |  2 points
>>     +24-23-22-21-20-19------18-17-16-15-14-13-+  X: MaX (Cube: 2)
>>
>>
>> O takes 4 out and the position is gin given the cube and the score.
>> If you make gnubg play against himself, X will redouble to 4
>> (optional redouble),
>> O will take and then X will resign. Very funny :) :)
>>
>> MaX.
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