Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: positions to search deep for hours at 500 cpu's- another one

Author: emerson tan

Date: 05:53:38 09/21/03

Go up one level in this thread


On September 19, 2003 at 11:14:29, Vincent Diepeveen wrote:

>Hello,
>
>I'm looking for positions to search very deep with a cpu or 500 which are
>interesting to search deep. Seemingly a whole machine must get reserved for DIEP
>world champs 2003. The NWO/NCF perhaps needs to pay for the cpu hours also
>during the night says SARA (there is 7 organisations involved and i have written
>at least 1 page for each processor to get it so i won't even start quoting all
>the organisations involved).
>
>Most jobs run like 2 weeks or so at say for example 32 processors, so all those
>jobs cannot get started trivially in the night.
>
>Anyway more negotiations will be there, because the world champs like this will
>cost 80000 cpu hours.
>
>This is all internal talks. In case any of such scenario happens or even between
>rounds when diep finishes sooner its games, there sometimes is a few hours left
>to run diep at 500 cpu's at for example 1 position each run.
>
>that's 250Ghz with around 200GB hashtables in total.
>
>So this allows some massive deep calculations. I'm looking for cool positions to
>try.
>
>Please don't mention the openings position, i'm already using that now and it
>isn't very interesting at all to search that one deep.
>
>feel free to email to me about this: diep@xs4all.nl
>
>Best regards,
>Vincent


From the fantastic game Kasparov - Topalov 1999, here Kasparov played  28. Qc3.
Kavalek found 28. Ra7!!

[D]b2r3r/4Rp1p/p2q1np1/1p1P4/kP1Q4/P4PPB/2P4P/1K6 w - - 0 28

Key move 28 Ra7!!



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.