Computer Chess Club Archives




Subject: Gambit Tiger 2.0 solves it in 1.4s

Author: Christophe Theron

Date: 12:22:03 04/22/01

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On April 22, 2001 at 09:57:10, leonid wrote:

>If you want to solve one mate and say your result, then this is the position:
>[D]2R2bNn/Rp1n1k1b/1q1ppB1p/1Np1p1p1/2P1P2P/3P2PB/4Q2K/8 w - -
>If you program says nodes/per/second, please indicate it for this position.
>I recently was impressed by very high NPS that Rebel 10 demonstrated when I
>tried to solve few mate positions on it. Search was done by brute force. On
>Celeron 600Mhz (hash off) NPS was around 500000 nps. Also I installed recently
>NPS counter in my mate solver and this is from where my curiosity come. To my
>surprise, my NPS is usually well below of Rebel's numbers.
>If you have, beside your own program, any professional chess program and you can
>indicate also its NPS, please do this.
>Thanks for your numbers,

On a K6-2 450MHz, 6Mb hash tables:

00:00:01.4	 Mate in 6	7	161394	Bxe6+ Kxe6 Qg4+ Kf7 Qxd7+ Kg6 g4 h5 Rxf8 hxg4
Qf5+ Kh5 Qxh7#

Tiger says mate in 6 after the key move (Bxe6+) has been played, so it is
actually a mate in 7. Please do not complain again for this. :)


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