I went through the problems with Valkyria.
Right now it can do 32 out 50 where it had to think more than 10
seconds on perhaps 2 of those problems it solved.
But I do recommend to go through these problems by hand. At least one
position had the first move right but it seemed very week on the
followup moves. And I found some bugs deeper in the tree.
I guess 10 or so of these positions were not solved because of bug in
the move generation. Valkyria prunes moves aggressively, and not
surprisingly, tactical tesujis are pruned because normally those kinds
of moves are not useful. So this problems set was very helpful to find
several patterns that were wrong.
I hope to fix these bugs and then I come back and report what it
cannot solve and why it is hard to fix it.
-Magnus
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