create Graphs from existing programs

Discussion about development of draughts in the time of computer and Internet.
Ed Gilbert
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Re: create Graphs from existing programs

Post by Ed Gilbert »

I think it would be useful if these evaluations with shallow depth were replaced by a more accurate evaluation, that is based on the evaluation of the position after the forced moves. Perhaps you can implement this in a future version of Kingsrow?
Much easier would be to do a full search at positions with forced moves, which would also give a PV that is consistent with the position. The disadvantage is that since 15 or 20% of positions are forced moves, the games analysis would take that much longer.

Here we are talking about automated analysis of pdn files. Would you also want to see a full search done at forced moves in interactive search modes Analysis and Analysis Allscores?

-- Ed
Wieger Wesselink
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Re: create Graphs from existing programs

Post by Wieger Wesselink »

Ed Gilbert wrote:
I think it would be useful if these evaluations with shallow depth were replaced by a more accurate evaluation, that is based on the evaluation of the position after the forced moves. Perhaps you can implement this in a future version of Kingsrow?
Much easier would be to do a full search at positions with forced moves, which would also give a PV that is consistent with the position. The disadvantage is that since 15 or 20% of positions are forced moves, the games analysis would take that much longer.

Here we are talking about automated analysis of pdn files. Would you also want to see a full search done at forced moves in interactive search modes Analysis and Analysis Allscores?

-- Ed
I certainly didn't mean to suggest doing a full search at positions with forced moves, which would be a waste of time. A full evaluation at a forced move (including PV and depth) can easily be derived from the evaluation at the position after the forced moves. In fact, that is what I do myself right now as a post processing step.

I was talking about the automated analysis of PDN files. But in interactive search mode it would probably be useful as well. At least I can't imagine that an end user is interested in search results with a shallow depth. I find them very distracting.
janflorijn
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Real name: Jan Flikweert

Re: create Graphs from existing programs

Post by janflorijn »

Hi all,

I just uploaded a new release. Now I think it is a good moment to test the program, think how is most be and refine it.

I should be pleased if you want to try the program and sent me your comments/feedback.

Is it usable?

As told, the program will be freeware.

The file is named: setupdamgrafiek.exe

you can download it from:

http://www.mediafire.com/?p1490pjn3v835

kind regards,

JanFlorijn
janflorijn
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Joined: Fri Dec 14, 2012 19:40
Real name: Jan Flikweert

Re: create Graphs from existing programs

Post by janflorijn »

Hi all,

I did some more work on the program and updated mediafire.

I have analysed a game in Dragon Draught. Then I loaded the file in DamGraFiek.

The grarph I get differs to much from the graph in Dragon Draught.
See the ProvoostFlikweertanalyse.pdn file stored in de subfolder Dragon from the directory where DamGraFiek has been installed.

Some non-free moves are probably not evaluated.

Seeing this I think it is in all programs better to analyse all moves and write the value in the pdn file.

At the point of kingRow I have not enough pdn files with analyses, or the logfile to have a good test.

Kind regards,

Jan Flikweert
Ed Gilbert
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Re: create Graphs from existing programs

Post by Ed Gilbert »

Hi Jan,

Here is a kingsrow analysis file with an analysis of some Sijbrands games that you can use for testing.

-- Ed
Attachments
analysis.zip
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