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Subject: Re: Just curious

Author: David Shanholtzer

Date: 11:43:09 10/10/05

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On October 10, 2005 at 13:54:43, chandler yergin wrote:

>On October 10, 2005 at 13:30:22, David Shanholtzer wrote:
>
>>Below should be a diagram and position fen from Svidler-Topalov, FIDE Ch
>>currently underway.
>>
>>L. Kavalek in his column mentions Shredder suggesting the continuation of
>>15...Nf3+!: "A piercing combination that is sufficient for a draw. Topalov
>>picked it up from his second, Ivan Cheripanov. It was also suggested by the
>>computer program Shredder."
>>
>>Curious, I inserted the position into my older computer to see at what depth
>>Shredder 9 would pick up on this. This particular computer is a Dell 866 MHz cpu
>>with 512 Megs of RAM and WinXP SP 2. Fritz 8 GUI.
>>
>>Shredder 9 came up with the continuation 15...Nf3+! at 13 ply.
>>
>>
>>[D] r3k2r/1p3pb1/p1npp2p/q3nPp1/8/2P1N1BP/PP3PP1/R2QKB1R b - - 0 15
>>
>>Additionally,
>>
>>Fritz 8 settled on 15...Nf3+! after 11 ply. Toga II v. 1.0 after 12 ply. Junior
>>9 took 14 ply, Gambit Tiger 2.0 10 ply, and Hiarcs 9 9 ply. Interestingly, to
>>me, CM9k Slayer took 7 ply, discarded it, came back to it after 9 play and
>>settled there. CMX Dayffd 4.3 took 10 ply. I've not had any other engines take a
>>look at it.
>>
>>Out of curiosity, and for anyone that would care to give it a quick look, are
>>these ply depths similar to what others obtain to find 15...Nf3+? (FWIW, CMX
>>Dayffd 4.3 is not yet publicized, and I'm not sure it is quite strong enough.)

>Analysis by Shredder 8:

(snipped)

>1...Nf3+ 2.Ke2 Nfd4+ 3.cxd4 Nxd4+ 4.Kd3 Qb5+ 5.Kd2 Qxb2+ 6.Qc2 Qxa1 7.Bxd6
>  ²  (0.27)   Depth: 13/41   00:01:24  25145kN
>
>(,  10.10.2005)

13 ply with Shredder 8 also...probably S8 would give the same depth here.
Hmmmmmmnow, about Fritz 5.32... :)



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