Why does lichess have this arbitrary restriction?
Lets say in every position there are five cloud entries (which have to be saved in the database). For the first seven moves, aka 14 half moves this results in 5^14 == 6 billion entries (6 with 9 zeros)
if you would allow entries for the first twenty moves this would result in 5^40 == 9 octillion entries (nine with 27 zeros). etc etc.
i am ignoring transpositions here so in reality the number is smaller, but it is clear that there must be a restriction.
if you would allow entries for the first twenty moves this would result in 5^40 == 9 octillion entries (nine with 27 zeros). etc etc.
i am ignoring transpositions here so in reality the number is smaller, but it is clear that there must be a restriction.
@nh78 I am not asking for theoretical justification for this. Also if you want to do a theoretical calculation, use an average branching factor (35) instead of the arbitrary number (5).
I am asking practically why number 7 was selected. And for practical calculation, you have to keep in mind that only a tiny amount of these position will be actually played at least once. As you can check for yourself. Currently lichess has played 350b games. And as of right now the position derived from moves `1. c3 f6 2. f4 Nh6 3. Kf2` has never been played. And this is only 5 half-moves.
So this looks to me like an arbitrary restriction.
I am asking practically why number 7 was selected. And for practical calculation, you have to keep in mind that only a tiny amount of these position will be actually played at least once. As you can check for yourself. Currently lichess has played 350b games. And as of right now the position derived from moves `1. c3 f6 2. f4 Nh6 3. Kf2` has never been played. And this is only 5 half-moves.
So this looks to me like an arbitrary restriction.
well, this was my guess, maybe a dev can say something more meaningful about.
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