Author: Sune Fischer
Date: 15:08:57 05/28/02
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On May 28, 2002 at 17:55:16, Heiner Marxen wrote: >On May 28, 2002 at 14:17:27, Sune Fischer wrote: > >>On May 28, 2002 at 13:45:29, Heiner Marxen wrote: >>>Habit or Hobbit? :-)) >> >>habit :) >> >>> >>>>>>I also have the maximum number of pseudo legal moves set to 255, this must be >>>>>>a potential bug too then? >>>>> >>>>>I think that the max number of legal moves is around 220. It's very well >>>>>possible that the number of pseudo legal moves is above 255. So to answer your >>>>>question: yes =) >>>> >>>>Hmmm 35 pins in one position I dare say must be impossible. >>> >>>Not 35 pins, but 35 pseudo legal moves, which are not legal since pinned. >> >>Yeah ok. >>Can you then make a legal position with more than 255 pseudo legal moves? > >I don't know. I have not tried to do so, and I feel much too lazy to try it. > >>What is the position with 220 moves? > >The maximum (known) legal moves are 218. >The position has been posted here and on rgcc several times, >so an archive search or google search should find it. >I have posted it myself, but do not have it handy just now. > >Cheers, >Heiner I think 255 is as good a limit as any. Theoreticly it may crash, but so can 265 or even 300 for all I know. It is above the maximum number of moves ever created for a position, it will have to make do until it crashes or someone shows me otherwise :) I only chose 255 because it fits nicely in a char 0xFF (good for data packing). -S.
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