If it is so slow, that's maybe because the branching factor is very high. Could you have an atom incremented in your evaluation function, or in next level, to check how many boards are generated for level 2 or 3? (At least this could give an approximate time for computing each board. (83 - 8) / num board computed. To check it is in line with what you mesured of core.logic.)
And why do you need an atom in the move function? (When is it changed?) Lastly, if you just need core.logic to compute valid moves from the logical rules of chess and do not check they actually apply here, you could precompute that into a big table, which might or not be faster. -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en