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[Bug-gnubg] Analysis Pane display bug

From: Michael Petch
Subject: [Bug-gnubg] Analysis Pane display bug
Date: Fri, 04 Sep 2009 19:34:18 -0600
User-agent: Microsoft-Entourage/

Chris Yep and I spent a bit of time last night on this one (I appreciate his
time on this). Attached is a sample MAT file. Import it into GnuBG. Set your
analysis options to expert/expert (Although other levels will likely show
same thing). Now click move 61:bar/18 in the move list. Click on Analyse
menu/Analyse move.  Look in the analysis pane. You should see 3 candidate
moves. Often the users selection loses its highlight, as well the moves are
listed as 1,2,-1 (Not 1,2,3). If you click on another move and then go back
to this analysed move the output is correct (And the highlight appears).

After some discovery I have found you can pretty much reproduce this bug on
many positions where the user makes the worst move possible (And falls at
the bottom of the list) and then you do an analysis. Sometimes what will
happen is that when analysed the worst move will be sorted improperly and
the move appears in the analysis pane out of order (but with the correct

Attachment: bug3.mat
Description: Binary data

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