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Subject: Re: Authors of Kaissa on quiscence search

Author: Stuart Cracraft

Date: 18:40:14 09/26/04

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On September 26, 2004 at 00:21:35, Sergei S. Markoff wrote:

>There are a lot of interesting ideas in a book by the authors of Kaissa.
>They offer to include in quiscence some, but not all checks. The classes of
>checks that they offer + some my additions.
>
>1. Checks with capture
>2. Checks with threat to take some piece with see>0.
>3. Discovered checks
>4. Checks with rook or queen stands close to king with see>=0.
>5. +1 additional check in each branch of quiescence.

Whenever I try to introduce anything other than captures
in my quiescence, my solution count goes way down.
The reason? By generating all moves, instead of just
captures, I end up doing way too much. I need to revisit
this, but past testing has not been fruitful.

>Using this classes of checks can provide limited tree growth with very good
>tactical results.
>
>I need your results to compare.



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