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Subject: investigation

Author: Vincent Diepeveen

Date: 09:50:34 09/22/03

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On September 21, 2003 at 05:58:50, emerson tan wrote:

>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
>
>
> I still havent seen a computer find the move here even if it takes several
>days. The move is correct because white is already holpless in all variations. I
>tried autoplaying with long time control, both computers cant understand black
>is winning, but all the games black ended up winning.
>
>
>[D]r3r1k1/pp1q1p2/2p2npb/PPPp1bnp/3PpN2/2N1P1PP/1R1B1PBK/3Q1R2 b - - 0 19
>
>Nikolic - Fischer 1968
>
>The key move is 19 - Bg4!!
>
>
>The next Diagram was mentioned in Kasparov's My Predesessors, Kasparov said no
>computer can find the move here.
>
>
>[D]2r2rk1/pp3pp1/4bb1p/q2p1P1Q/3P4/2N5/PP4PP/1K1R1B1R b - - 0 17
>
>Pillsbury - Lasker 1896
>
>Key move 17 - Rxc3!!
>
>
>The next one here involves early sacrifice in the opening, there's no forcing
>line, just for iniative. This became the best played game in one of the  1990
>Informator.
>
>
>[D]rn1qk1nr/1b3ppp/p2b4/3p4/P1pP4/5N2/2PNBPPP/R1BQ1RK1 w kq - 0 11
>
>Geller - Dreev 1990
>
>Key move 11. Bxc4!!

Gonna investigate this one. this pos looks very cool. complex middlegame
with a lot of possibilities. It's the first pos from which i say: "YES this is
interesting".

>
>Next one here people might already mentioned this to you, but just in case no
>one mentioned it, I'll post it here because its too good to miss.
>
>[D]8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - 0 47
>
>Topalov - Shirov 1998
>
>Key move 47 - Bh3!!



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