I've gathered that it's not instantaneous, but does someone do it, or does the computer do it gradually or...?
It works great. When you finish a game, you submit it to analysis. Then after some while the stockfish engine gives you the results, in both human-readable and points.
For now only registered players can request an analysis.
A computer analysis is very CPU intensive on server side. It's around 30s of 100% CPU usage for a single analysis.
So I apply some restrictions based on the user to prevent abuse. Such restrictions cannot work with anon. So you can enjoy the existing analysis, but not request new ones.
How about putting the suggestion to display the true cp value in the dialog box on the todo list? I think I had made a post to where someone demonstrated how to do this.
Bump...
Like 70% of the time I end up copying the PGN text into Chessbase/Rybka/Houdini anyway and just analyzing it on a professional dual-core engine, rather than relying on the analysis feature embedded to this site.
It's not that I disagree, but even if thibault adds showing the exact score of each move of the game, the stability of the annotations here are no match for my ability to intelligently learn about my mistakes by analyzing my game on a native x86 chess engine.
someone: it is on the todo list. I'm busy with work and people atm so no time for working on lichess. Also I'll be in vacations for one month.
mephos: I gave the analysis constant CPU time, independant of the number of AI games playing, and raised the movetime to 0.5s using 100% of 8 CPUs of 2.8Ghz each (5600 bogomips each). Are you sure the analysis is not good enough?
I'm not dissatisfied with your settings; I'm just thinking about what's experimentally best for me.
For example, even if false mistake annotations have been fixed and more mistakes are being caught than previously, I get the bonus of exact and constantly changing scores during the process of analysis as well as the ability to interact with the game while it's being analyzed (e.g. plugging in moves or variations if the game had proceeded as y instead of x).
For most beginning learners your setup is fine.
oh I see, it's not the analysis quality per se, but the fact that your engine GUI provides more advanced features. I'm reassured then. I don't pretend to compete with it. Thanks for the clarification.
I still use it to check for cheaters here, in addition to or as an alternate to copying the PGN into an advanced engine for complex measurements.
You put a lot of work into creating and updating it per use cases here, and it remains useful to all.
As for various complaints about AI Level 5 to 8 weakening if analysis is running or slow server times related to the AI or whatever, I haven't paid much attention to those, so I had no idea you also made all those improvements.
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