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Can you use analysis board in correspondence games?

The Lichess fair play policy states that you can't use analysis board in correspondence games, but there is an option on the page of a correspondence game itself which opens analysis board. So what is the point of that option and will you get banned if you open the analysis board?
Of course you can use the limited-functionality analysis board that opens when you click the microscope icon.
You can use an analysis board in correspondence games as long as the chess engine is not on. You can also use the opening explorer or opening books. Essentially, you can use any tool or resource except chess engines (that includes opening databases or books that contain engine evaluations), tablebases and help from other people.
The in-game version in correspondance (via the microscope icon), is a reduced version of the tool-analysis, or post-game analysis.
As mentioned it does not have engine capability. I think people tend to confuse analysis for engine analysis, if they have never tried correspondance analysis. I suggest you bask in it sometimes, a different chess mood and you get to imbibe in the positions, and think about them overnight. You can also keep your thinking from previous day in there, since lichess implemented local browser memory. This is great to record your thinking, otherwise evaporated at post-game analysis in which case you would only have robot oracle telling you all your errors.

At least, with analysis past thinking as multiple candidate considered, being laid out without time control of minute kind (a move even in the most generous other time controls, is of that order), you can look at your own thinking during and after the game.. (why did you reject a move for example in the variations consider and finally opted for a move the robot don't like. (that's SF the oracle, it gives you scores from above). So you get to have more postgame than just a list of blunders you can retrace why you did a move or another... At least that is the ideal use..

You can even enjoy some of the visual emphasis tools complementing lichess GUI with the extension called Lichess-tools, where visual thinking is the theme of improvement. It makes navigating own chess thinking more about the board as not having to get lost in the wall of SAN move string. shapeless version.
It's to create conditional premoves. You can play variations in the analysis board and add them to a set of premoved lines. As long as the guy keeps playing the moves you predicted in any of the lines, your premove is delivered instantly. In this way you can often play moves in groups of three or four, and the games don't last as long.
@JuicyChickenNO1 said in #7:
> It's to create conditional premoves. You can play variations in the analysis board and add them to a set of premoved lines. As long as the guy keeps playing the moves you predicted in any of the lines, your premove is delivered instantly. In this way you can often play moves in groups of three or four, and the games don't last as long.

Yes and it use to be that all those would get lost after even if not used. I use to overload their purpose for what lichess now does directly in local browser space, all our variation thinking can stay in the move tree... and I don't have to keep the overflow in those premoves between thinking and browser sessions where I need to pause away from computer and quit the tab...

it is not only for premoves.. but the ability to explore many positions for just one move to send (or even after sending the move, one can keep adding more thinking cases) does allow that. And it is a tradition I guess from snail mail times. It would take so long being the salvos maybe, so that they would weed out expectable moves reflexes. Smaller time scale here.

Funny: I would even store candidate varaitions still under consideration and not yet decided. for the next session to reimplement them in the user tree.. after having have saturated my working memory with too bushy tree (either too wide or too deep or just too broad), I might have been reordering the branches wrong, or forgot to put my final deciion as top sibling branch (or mainline for the looks, but usually no mainline because it gets messy past the current position to figure out which leafs is on which branch.. with the parenthesis and mainline jumping over them... anyway.. no being fluent in recursive parentheses in lieu of trees, I would make full natural language trees, but might get exhausted before long and then confure active board positoin for the move that send move would mean.. ok. again bloody words can't tell. So in short complex mouse slips.. send the wrong branch.. no more.

but now I don't do such calculations anymore.. I did my binge of that my first year on lichess, using the opening explorer as a candy store. I still use it now, but to explore what does what, not what is most popular and winning.. but some misture of intent. But i do keep traces of my thinking in the user tree.. not the premoves.. but I think, one has to try the go crazy calculation stage, to figure out own working memory limitations.
@ohcomeon_1 said in #3:
> you can use any tool or resource except chess engines (that includes opening databases or books that contain engine evaluations), tablebases and help from other people.

Tablebases and other people are explicitly forbidden here: https.//lichess.org/page/fair-play

I think the gist of the corr rules here is that you may build on prior human acquired knowledge and experience, but the decisions must be made by yourself. Tablebases are basically engine moves, just precomputed. Now, if you ask someone to write a book about your position, that would surely be open for discussion. :-)

It's basically the human playing classical chess with some look-up for the opening and moving pieces around. Imagine yourself in a room with a chessboard and a library, and every now and then your opponent visits you and you make a move.

Note that this differs from the usual correspondence chess rules (like ICCF), where it is basically do whatever you want. There you don't have any non-draw at the top-level for years. While this might give "good chess", it's not a desirable way to play for most people, who just want to play a game with a more relaxed time constraint.

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