Author: Tim Foden
Date: 14:08:44 01/31/01
Go up one level in this thread
On January 31, 2001 at 13:28:30, leonid wrote:
>Hi!
>
>If you like to solve forced mate, here is the position.
>
>[D]2Q1N1qq/rQ2NPnP/r3qpqk/1Rb1n1qp/3N1nb1/1q1Q1B1R/2QB4/2R1K2R w - -
>
>Please indicate your result... even if your program failed.
>
>Thanks,
>Leonid.
Here is the output of GLC 2.13pr1, 48MB Hash, 800MHz Duron.
It found a mate in 12 after 15 seconds. I let it go for 10 mins to see
if it could find a shorter one, but no luck.
Ply Time Score Nodes Principal Variation
3 0.06 ++ 10446 hxg8=N+ (a=15.20 b=16.20 e=16.20)
3 0.06 17.26 10830 hxg8=N+ Qxg8 fxg8=N+ Qxg8 Qdxb3
3 0.10 17.26 20693 hxg8=N+ Qxg8 fxg8=N+ Qxg8 Qdxb3
4 0.17 ++ 32782 hxg8=N+ (a=16.76 b=17.76 e=17.76)
4 0.37 -- 104476 hxg8=N+ (a=17.75 b=321.00 e=17.75)
4 0.37 19.11 105474 hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qxg6+
Nexg6 Qg8+ Kh6 Qxb3
4 0.38 19.11 105647 hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qxg6+
Nexg6 Qg8+ Kh6 Qxb3
5 1.90 -- 799814 hxg8=N+ (a=18.61 b=19.61 e=18.61)
5 2.21 18.03 951451 hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qxg6+
Nexg6 Qg8+ Kh6 Qxb3 Bxh3
5 2.92 18.03 1330525 hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qxg6+
Nexg6 Qg8+ Kh6 Qxb3 Bxh3
6 3.02 ++ 1369510 hxg8=N+ (a=17.53 b=18.53 e=18.53)
6 4.83 21.52 2276917 hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qg8+
Kh6 Qh8+ Kg5 Qxg6+ Nxg6 Bxf4+ Qxf4 Rxc5+ Nf5
6 8.91 21.52 4494916 hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qg8+
Kh6 Qh8+ Kg5 Qxg6+ Nxg6 Bxf4+ Qxf4 Rxc5+ Nf5
7 8.96 ++ 4513860 hxg8=N+ (a=21.02 b=22.02 e=22.02)
7 15.92 320.77 8559523 hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qg8+
Kh6 Qh8+ Kg5 Qxg6+ Qxg6 Bxf4+ Kxf4 Qd2+ Qe3+ Qxe3+
Kxe3 Qh6+ Qxh6 Qe4#
7 33.20 320.77 18393k hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qg8+
Kh6 Qh8+ Kg5 Qxg6+ Qxg6 Bxf4+ Kxf4 Qd2+ Qe3+ Qxe3+
Kxe3 Qh6+ Qxh6 Qe4#
8 1:20 320.77 45160k hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qg8+
Kh6 Qh8+ Kg5 Qxg6+ Qxg6 Bxf4+ Kxf4 Qd2+ Qe3+ Qxe3+
Kxe3 Qh6+ Qxh6 Qe4#
8 4:53 320.77 160118k hxg8=N+ Qxg8 Nxg8+ Kh7 Nexf6+ Qexf6 Nxf6+ Qxf6 Qg8+
Kh6 Qh8+ Kg5 Qxg6+ Qxg6 Bxf4+ Kxf4 Qd2+ Qe3+ Qxe3+
Kxe3 Qh6+ Qxh6 Qe4#
9 10:04 0/91 hxg8=N+>exit
Cheers, Tim.
(P.S. Keep em coming Leonid!)
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