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Subject: Re: Yet Another WAC bust

Author: Jeremiah Penery

Date: 01:00:53 11/21/00

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On November 21, 2000 at 03:43:13, David Rasmussen wrote:

>On November 21, 2000 at 03:25:00, Dann Corbit wrote:
>
>>[D]8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - - bm Bc8; id "WAC.146";

<SNIP>

>>node_count = 9738198 quiescent nodes = 10482 eval_count = 4534996
>>hash hits = 2251420 hash moves = 342378 pawn hash hits = 4522278
>>node_rate = 290779 null cuts = 935545 exten = 747422 int_iter = 120
>>egtb_probes = 267932 egtb_hits = 267932 fail_high(%) = 93
>
>How can you get a ~0.1 % quiescent nodes?????

I think because instead of going into quiescense search, tablebases were being
probed instead.  Of course this will only happen in positions where there are
about 6-8 pieces on the board, because it will drop into 5-piece endings very
soon after.



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