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Re: [Bug-gnubg] GNUbgBugs

From: Joern Thyssen
Subject: Re: [Bug-gnubg] GNUbgBugs
Date: Mon, 24 Jun 2002 17:34:03 +0000
User-agent: Mutt/

On Mon, Jun 24, 2002 at 10:56:22AM +0200, sev_notrump wrote

>  In the attached Zip file "bug020620" y will find some of my work.

It's OK if you write the actual bug report in the email, and just attach
the SGF and text file.

Regarding the bugs:

> A Garbage after loading a prevoius saved and analysed game

Should be fixed as I wrote earlier.

> C Analyselist after pressing "Hint"

> 1  This results allways in 20 moves although the moves limit are set
> to e.g. 5 ( In menu            "Settings" submenu "Move Limit") Verry
> irritating if y like to invoke a 5 ply move analyse      (takes
> hours :(() 

Settings->Analysis->Move limit only indicates how many moves should be
saved in the analysis. 

When generating the list of moves for "hint" or the analysis, gnubg will

(a) generate all moves
(b) evaluate all moves on 0-ply
(c) prune (e.g., pick all moves with equity diff less than 0.16 to best
move, but 8 moves at most)
(d) evaluates the moves from (c) at 1-ply
(e) prune (pick all moves with equity diff less than 0.08 to best move,
but 4 moves at most, and only iff "no 1-ply prune" is not selected)
(f) evaluate moves from (e) on 2-ply
(g) etc etc.

> 2  The resulting list is not ordered

gnubg orders the list as follows

(i) the level of evaluation (e.g., 2-ply is better than 1-ply)
(ii) cubeful equity
(iii) cubeless equity

That is, 

Ply     Cubeful Cubeless
2       +1.0    +0.9
2       +1.0    +0.85
1       +1.2    +0.95


Ply     Cubeful Cubeless
1       +1.2    +0.95
2       +1.0    +0.9
2       +1.0    +0.85

> 3  In DMP- or singlegame's with no cube the resulting equity is still
> based on gammonwins cq        gammonlosses this is not right of
> course. This is also the case if you analyse the whole     game.

Can you provide a specific example? E.g., a position ID and match ID or
a SGF file.

> D  Unsaved settings
> 1  Analyses submenu

I found that the Chequer play, Cube action, and dice rolls check box
items were not saved. Others?

> 2  The export submenu

I found that "Show evaluation parameters", "Show rollout parameters",
and "Show detailed probabilities" for both moves and cube were not
saved. Others?

> 3  The evaluation submenu

Can you be more specific?

> 4  The Appearance submenu

The opacity from Board, Border, and Points are not saved, as they are not used.
I'll see if I can remove the opacity property.

> E  Overview of the user interface.
>    Some Menu Items are implemented as a submunu , where they should be
>    implemented as a pointer to a dialog or tabbed dialog. ( in my
>    opnion of course :)) It is verry irratating if you have to perform
>    18 (!!!)  mouse
>clicks to set the analyse menu for example.(especialy if you cant save
>them  :)) ) ( Look at the Appearence menu that's     much better !! )

I agree wrt the analysis submenu. Other menus?


Joern Thyssen, PhD
Vendsysselgade 3, 3., 9000 Aalborg
+45 9813 2791 (private) / +45 2077 2689 (mobile) / +45 9633 7010 (work)

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