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Subject: Re: Nolot progress?

Author: Peter Berger

Date: 05:47:23 03/24/04

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On March 23, 2004 at 23:02:00, Dann Corbit wrote:

>Has any program made real progress at solving the Nolot positions?
>
>For instance, do any commercial or freeware programs solve them with a
>convincing score within an hour on any hardware?

Recently someone (Mike Byrne?) started to post the Nolot positions one by one
and I gave them to Gerrit Reubold's Bringer, that could solve the first 3
positions posted, though #3 needed clearly more than one hour (#1 about an hour,
#2 about a minute).

Here is Bringer on Nolot #3 (PIV3.2HT)

5:45:30.6 (20/58) 9544021276 0.27 1.Lxg5 Lxg5 2.O-O O-O 3.Dc2 Le3+ 4.Kh1
h5 5.Tae1 Lh6
9:47:56.9 (20/59) 16404396553 0.28 1.Sxg5 (Mat=335,50=0)
22:28:32.9 (21/59) 38044449889 0.68 1.Sxg5 (Mat=335,50=0)
32:28:39.6 (21/59) 55496131033 0.83 1.Sxg5 Lxd1 2.Sxe6 Dc8 3.Sxg7+ Kf7
4.Lh6 Lg4 5.O-O+ (Mat=-465,50=4)

As he stopped after position 3 I didn't try the other ones yet.

Peter



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