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Subject: Re: test position: Zappa-Crafty

Author: Rick Hagen

Date: 20:17:45 08/20/05

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On August 20, 2005 at 16:40:26, Yar wrote:

>How long does it take for your engine to find a3! ?
>shredder 9.1 on Centrino Pentium M 755 notebook 512Mb hash 17 minutes 3 seconds.
>
>[D] 4r1k1/3R3p/p5p1/n3r2q/8/2Q5/PP6/KB1R4 w - - 7 42
>
>With best regards,
>
>Yar

Fritz 8-256MB/P4 2.95 Ghz               13.30s /11
Chess Tiger 15.0-192MB/P4 2.95 Ghz      287.61s /13
Gandalf 6-256MB/P4 2.95 Ghz             520.79s /14
Nimzo 8-256MB/P4 2.95 Ghz               >600s
Junior 9-256MB/P4 2.95 Ghz              >600s
Shredder 9-256MB/P4 2.95 Ghz            >600s
Hiarcs 9-256MB/P4 2.95 Ghz              27.31s /10
The King 3.23_9P-256MB/P4 2.95          >600s
Toga II 1.0-256MB/P4 2.95 Ghz           >600s
Pro Deo 1.1-200MB/P4 2.95 Ghz           97.68s /12
Spike 1.0 Mainz-256MB/P4 2.95 Ghz       >600s
Aristarch 4.50-256MB/P4 2.95 Ghz        >600s


Not a very good test-position, in that R1d5 also wins clearly.


A better test, with a similar idea, and also in the "wm-test" is this one:

[D]q4bk1/pp1b1r1p/3p2n1/P2Pp3/1PB1Pp2/5Pn1/5RPP/2RQN1K1 b - - 0 1

1...a6

Piket-Kasparov 1989




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