Author: Sune Fischer
Date: 07:28:09 03/18/04
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>One of the things that also occurred to me after reading Sune's post was having >two tables: one that was never (or rarely) reset and depth limited, and one that >was kept within a relatively small range. Yes a hybrid might be possible. The question is when do you choose to oder based on one table rather than the other. >All this history stuff has made me want to experiment a bit . . . One of the ideas I plan to try is to index with depth_to_root, it's going to be a big and cache unfriendly table though :( The idea would be to use the HH with the same principle as regular killers, only this form of killers have the ability to slowly fade away as it gets 'aged' continuesly. Regular killers as you know are either there or totally gone. The downside is that good moves a ply X no longer cross over and potentially work at ply X+2*N, perhaps this can be worked out somehow. The upside is that the leaf positions would not weigh in as much, so the shallow depths would have their own tables safe from all the agings and contamination going on in the higher plies. -S. >anthony
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