Game Review Analysis options

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himemsys

When completing a match on PC, I am given more options for analysis than on iPhone.  Are there plans for adding these options to iPhone?

Regarding the PC options, I have questions:

-There are two chess engines two choose from:  Stockfish 11 and Komodo 2706.  What is the difference?  I tried googling Komodo 2706 but could not find anything related to it.  Komodo's versions don't seem to line up with anything "2706".  I'm assuming that is a version, but I can't find a version that has that number in it when I go to Komodo's site.

-What does the "Engine Off" version do under the Chess Engine drop-down menu?

-Once I pick a chess engine, I am able to do a Run Depth 30 which takes a lot longer but supposedly gives more accurate analysis.  I notice that once I do this for a completed match, I can no longer do it again.  So if I want to re-analyze with Komodo 2706 once I've analyzed with Stockfish 11, I cannot.  Is this intentional?

-What do the Maximum Depth and Number of Lines options do?

-Why can I analyze matches played on PC against the built-in bots, but not on matches against bots played on iPhone?

Thanks in advance for any help!

Martin_Stahl
himemsys wrote:

When completing a match on PC, I am given more options for analysis than on iPhone.  Are there plans for adding these options to iPhone?

Regarding the PC options, I have questions:

-There are two chess engines two choose from:  Stockfish 11 and Komodo 2706.  What is the difference?  I tried googling Komodo 2706 but could not find anything related to it.  Komodo's versions don't seem to line up with anything "2706".  I'm assuming that is a version, but I can't find a version that has that number in it when I go to Komodo's site.

-What does the "Engine Off" version do under the Chess Engine drop-down menu?

-Once I pick a chess engine, I am able to do a Run Depth 30 which takes a lot longer but supposedly gives more accurate analysis.  I notice that once I do this for a completed match, I can no longer do it again.  So if I want to re-analyze with Komodo 2706 once I've analyzed with Stockfish 11, I cannot.  Is this intentional?

-What do the Maximum Depth and Number of Lines options do?

-Why can I analyze matches played on PC against the built-in bots, but not on matches against bots played on iPhone?

Thanks in advance for any help!

 

The apps are, in general, less feature rich than the site.

 

The two engine options are different code completely. Stockfish us an open source engine and Komodo isn't. The version on Komodo I believe is just an internal build number but I think it corresponds to either version 13 or 14 of the engine.

 

By default, when you open Game Review, the analysis tab loads with your selected engine running in the background. The Engine Off allows that tab to not run an engine.

 

Depth 30 is only unlimited on Diamond membership I think. That said, that option is for Game Review and you can't choose the engine running for Game Review. The engine options are only for the browser based, client local analysis.

 

The depth and number of lines options change how deep the engine will be allowed to run and the number of lines shown/analyzed in the local client analysis.

 

As to your last question, I know you can run a game review and analyze bot games. I think it's possible on iOS.