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Subject: Re: engame test position

Author: Bernhard Bauer

Date: 02:52:23 06/11/02

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On June 10, 2002 at 23:32:22, K. Burcham wrote:

>Atilla Koranyi, second prize Bron Memorial Tournament 1986.
>White wins the endgame in 15 moves!!
>
>
>How long does it take your favorite program to find g5?
>
> [D] 7k/5K2/5P1p/3p4/6P1/3p4/8/8 w - - 0 1
>
>kburcham

My modified Crafty takes 7:07 min on a 2xP3-450.
BTW it's interesting to see more and more null-move killer positions
coming up as test positions in computer chess. Some years ago the programmers
might have told you first to check for a null-move killer before posting.

 (2)   17->   2:31   0.00   1. Ke7 d2 2. f7 d1=Q 3. f8=Q+ Kh7 4.
                            Qf7+ Kh8 5. Qf8+
       18     4:57   0.00   1. Ke7 d2 2. f7 d1=Q 3. f8=Q+ Kh7 4.
                            Qf7+ Kh8 5. Qf8+
       18     7:07     ++   1. g5!!
       18     9:58  Mat15   1. g5 hxg5 2. Ke7 d2 3. f7 d1=Q 4.
                            f8=Q+ Kh7 5. Qf5+ Kh6 6. Kf7 Qh5+ 7.
                            Kf6 d4 8. Qe4 d3 9. Qxd3 <HT>
 (2)   18->   9:58  Mat15   1. g5 hxg5 2. Ke7 d2 3. f7 d1=Q 4.
                            f8=Q+ Kh7 5. Qf5+ Kh6 6. Kf7 Qh5+ 7.
                            Kf6 d4 8. Qe4 d3 9. Qxd3 <HT>
Kind regards
Bernhard



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