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Subject: Re: MTD(f), Quiscient Search, and hashing Quiscient nodes

Author: Andrew Williams

Date: 07:50:53 01/19/03

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On January 19, 2003 at 09:08:51, Joel wrote:

>Hello All,
>
>Just finished writing a simple Quiscient Search function, using MVV/LVA...
>
>Now, previously my engine was using MTD(f) to power it. This obviously relies
>heavily on the transposition table for good performance.
>
>So this brings me to the question of hashing Quiscient nodes. I would like to
>know what the generally accepted thing to do is?
>

My MTD(f) program *does* hash qsearch nodes. Every time I test it, it is better
than not doing so. But I'd guess that it depends a lot on the individual engine.
The only answer is to test it both ways to see what's best for your program.

>Btw, I am really envious of everyone who has an engine thats able to compete in
>CCT5. Hopefully mine will be in an acceptable state next time round. :)
>

CCT tourneys are a *lot* of fun. Hope to see you there in the next one!

Andrew

>Thanks,
>Joel



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