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[Bug-gnubg] Re: Odd behavior during bearoff?

From: Christian Anthon
Subject: [Bug-gnubg] Re: Odd behavior during bearoff?
Date: Fri, 7 Nov 2008 12:57:49 +0100

Hi Louis,

it is a bug in the code that finds legal targets for moving a chequer
(gnubg basically interprets your move as 3/2 2/off) . The bug was
already there in 0.14, but nobody noticed until now, since I recently
fixed a bug in the "click and move" code by adding a check for legal


On Fri, Nov 7, 2008 at 12:44 PM, Zulli, Louis P <address@hidden> wrote:
> I created the attached position to demonstrate a gnubg behavior that
> perplexes me. I have not attempted to isolate the exact feature of the
> position that triggers this behavior, but perhaps this one example will
> suffice for now. I do not know if this is a bug, or a feature whose
> necessity escapes me.
> I roll 3-1 in the attached position. I click on the stone on my 3-point, and
> it is borne off. I click on the stone on my 2-point, and it won't move!
> (Actually, it wobbles in place.) I need to drag it to the 1-point, even
> though it can only go there. Why? What am I missing?
> Louis
> PS---In the same position, if I click first on the stone on the 2-point, it
> moves to the 1-point. If I then click on the other stone, it is borne off.
> So the order of the actions matters.

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