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If I remember correctly lichess caches evaluations of opening positions to increase speed and efficiency of fishnet analysis. If this is correct then the discrepancy might be the result of using two d…

@xjcl said in #32: > Is this using the same approach as the AlphaZero paper? chess.stackexchange.com/a/35337 Essentially, though the fit function is slightly different. Using logistic regression to pr…

Comments on https://lichess.org/@/ubdip/blog/comments-on-piece-values/Ps9kghhO

@philodendron68 This is a different kind of piece value then. What my definition of piece value measures is the effect of the presence of a piece on the game result, i.e., essentially its correlation.…

@FInLIp said in #2: > Antichess? Antichess piece values aren't very stable over the course of a game, so it is harder to interpret the values, which is why I left it out of the post. You can however f…

Comments on https://lichess.org/@/ubdip/blog/finding-the-value-of-pieces/PByOBlNB

> Ed Trice got a patent for Gothic chess in 2000 and he submitted a proof tree that Capablanca's chess is a forced win for the white player. He ran the proof tree in 2003-2004 for 8 months in 20 compu…

Besides the valid point that some combinations are not really possible or do not make sense, several of the possible hybrid variants also are seriously flawed, e.g., crazyhouse+3check, crazyhouse+atom…

@PACEtrial Yes, it is broken for horde (and antichess). This was already fixed, but the fix is not deployed yet.

Not that it is a big surprise, but they apparently also do not care much about user data. A few weeks ago I registered for the regium newsletter with a trash email address and now got advertisement fo…