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From: | Christopher D. Yep |
Subject: | Re: [Bug-gnubg] Move Ranking |
Date: | Wed, 06 Aug 2003 07:57:45 -0400 |
At 05:44 PM 8/5/2003 +0200, Jim Segrave wrote:
On Tue 05 Aug 2003 (06:57 -0400), Christopher D. Yep wrote: > Now, play 5/2(2) 3/off(2) in the GUI. This is an error > .04 at 0-ply > cubeful according to gnubg so the tutor window will pop-up ("You are about > to make a doubtful play. Are you sure?"). Click "Hint". The hint window > now pops up. There are only two legal moves. 5/2 3/off(3) is ranked as > the #1 move. However 5/2(2) 3/off(2) has "??" listed in the rank column. from the code: /* The move made is the last on the list. Some moves might have been deleted to fit this one in, so its rank isn't known. */
Where can I find a copy of the relevant code? Searching around it looks like it might be at ftp://alpha.gnu.org/gnu/gnubg/snapshots/, but I can't access this at the moment.
In this case, there were only two moves and yours was the worst of the two, so it's the last on the list. It could be fixed (if you know that no moves have been deleted, but that's probably not worth it).
I'm not exactly sure what you mean, but definitely(?) no moves were deleted as there are only two legal moves in the listed position. Additionally I can add that if I ask for a hint directly (CTRL-H) (i.e. the command "hint") without first playing 5/2(2) 3/off(2), gnubg correctly lists 5/2(2) 3/off(2) with rank 2. If gnubg is deleting some moves, it seems that it would not be able to indicate that 5/2(2) 3/off(2) has rank 2 in any situation, yet here it indicates rank 2 if I ask for a hint directly or if I copy the analysis in the hint window to the clipboard.
Also how does "set analysis limit [limit]" work (the default limit is 20, I changed mine to 30)? If I set analysis limit to a small number compared to my move filters, which setting dominates (I assume the analysis limit setting)?
Chris
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