Author: Vincent Diepeveen
Date: 07:20:27 05/11/98
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On May 11, 1998 at 09:06:05, Guido Schimmels wrote: >>The only addition I would make to this report is a remark on the odd >>nature of the PV for Qb6 at ply 10. GM Ronen Har-Zvi pointed out to me >>that the move Qa7 in this PV is a simple blunder. How such a move can >>appear in a PV is just one more mystery. > >The DB outputs of game 2 you've presented here, have already been >discussed >in an issue of the german magazine "CSS" quite some time ago. >The author says, DB does not propagate the PV from the leaves to >the root, as most PC-programs do. In order to save time, DB simply >looks up the PV in the hashtable, which he thinks explains for some >weird PV's. I'm doing this to: i only look in the hashtable. You get exactly the same PV. the 2 advantages are: -it is faster - sometimes you get a little longer PV because of transpositions that extend your PV. >Guido
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