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Subject: Re: Topalov,V (2745) - Bareev,E (2726) Nice Combination!

Author: Vincent Diepeveen

Date: 17:37:48 07/27/02

Go up one level in this thread


On July 27, 2002 at 06:33:24, Uri Blass wrote:

that's a lot of nodes to get 9 ply Uri,
you're not using nullmove?

>On July 27, 2002 at 03:44:33, Uri Blass wrote:
>
>>On July 27, 2002 at 03:24:26, Terry McCracken wrote:
>>
>>>http://www.chessbase.com/events/games/2002_dortmund/dort10b.htm
>>>
>>>
>>>(2) Topalov,V (2745) - Bareev,E (2726) [C11]
>>>Sparkassen sf Playoff Dortmund GER (2), 17.07.2002
>>>
>>>.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Nbd7 6.Nf3 Be7 7.Nxf6+ Bxf6 8.h4 c5
>>>9.Qd2 cxd4 10.Nxd4 h6 11.Bxf6 Nxf6 12.Qb4 Nd5 13.Qa3 Qe7 14.Bb5+ Bd7 15.Bxd7+
>>>Kxd7 16.Qa4+ Kc7 17.Rh3 a6 18.Rb3 Qc5 19.0-0-0 b5 20.Qa5+ Qb6 21.Qe1 Kb7 22.Qe2
>>>Ka7 23.Nxb5+ axb5 24.Rxb5 Qc6 25.Rdxd5 exd5 26.Qe7+ Ka6 27.Rb3 1-0
>>>
>>>After 22...Ka7
>>>
>>>[D]r6r/k4pp1/pq2p2p/1p1n4/3N3P/1R6/PPP1QPP1/2KR4 w
>>>
>>>
>>>How quickly does fast hardware and top software, find this combination?
>>>
>>>Terry
>>
>>You do not need top software for it.
>>
>>A buggy version of Movei on p800
>>finds it in less than 2 minutes.
>>
>>9 119 9479 10292575 a2a4 b5b4 c2c4 b6c5 d4c2 d5b6 b3b4 a8c8 c1b1 b6c4 d1d7 a7a8
>>d7f7
>>9 120 9691 10550697 d4b5
>>9 296 10974 11876964 d4b5 a6b5 b3b5 b6c6 d1d5 e6d5 e2e7 a7a6 b5b3 c6b6 b3b6 a6b6
>>e7d6 b6a7 d6d5
>
>Hopefully less buggy version of movei solves
>it faster.
>
>69.93 seconds and 8258070 nodes to fail high
>9550160 nodes to solve the fail high.
>
>It still have bugs because I found that it can have
>a wrong pv in the qsearch
>(a pv of mate in 3 when it says mate in 2 but can find
>the right moves)
>but at least it solves every position that
>I tried faster and I hope that it does not return wrong scores
>from the qsearch.
>
>Uri



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