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Subject: Re: investigation

Author: Drexel,Michael

Date: 18:08:54 09/22/03

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On September 22, 2003 at 18:51:44, Vincent Diepeveen wrote:

>On September 22, 2003 at 14:24:55, Drexel,Michael wrote:
>
>>On September 22, 2003 at 12:50:34, Vincent Diepeveen wrote:
>>
>>>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".
>>
>>Do you always contradict yourself?
>
>what, how, where and when?
>
>I guess you're not capable of reading foreign grammar well.

You guess very wrong. Reading was never a problem.

>
>this is the first position where mating the opponent directly is not the
>solution to solving the position.
>
>In case people are wondering why most engines are positional so stupid, they
>should simply look objectively to the positions the CCC droids want to solve.
>
>>This is a highly tactical position.
>
>The bxc4 move sure is. It isn't a boring "put your opponent mate in X moves"
>question though.
>
>>White is better in all lines.
>
>Not at all. if you don't play bxc4 you might lose this game...

I meant white is better in all lines after the sacrifice of course.

>
>Also it was one day relevant for openingstheory a lot.



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