Author: Tim Foden
Date: 06:21:06 02/08/01
Go up one level in this thread
On February 08, 2001 at 08:21:44, leonid wrote:
>Hi!
>
>If you like to solve easy (not deep) forced mate position, here is the one.
>
>[D]Nb1rkrNb/1n1pqp1b/n2qqq1n/1NNNNNNn/2BNNB2/1R2Q1R1/8/2K5 w - -
>
>Please, indicate your result.
>
>Thanks,
>Leonid.
Green Light Chess v2.13pr1, Duron 920MHz, 24MB hash,
finds a mate in 8 after 15.26 (see below).
I will leave it running a while to see if it finds a shorter one.
Cheers, Tim.
>hash 24
Hash table size set to: 24.0MB
>anal
Game stage: Opening
Current eval: -11.87
Ply Time Score Nodes Principal Variation
2 0.02 5.95 7029 Nexd6+ Nxd6 Ngxf6+ Q7xf6
2 0.03 8.85 9809 Nbxd6+ Nxd6 Nexf6+ Bxf6
2 0.03 8.85 10482 Nbxd6+ Nxd6 Nexf6+ Bxf6
3 0.10 9.13 25969 Nbxd6+ Nxd6 Nexf6+ Nxf6 Ndxe6
3 0.11 ++ 30816 Nexd6+ (a=8.35 b=9.35 e=9.35)
3 0.14 9.61 39618 Nexd6+ Q6xd6 Ngxf6+ Bxf6 Nbxd6+ Nxd6
3 0.17 9.61 61922 Nexd6+ Q6xd6 Ngxf6+ Bxf6 Nbxd6+ Nxd6
4 0.17 ++ 62133 Nexd6+ (a=9.11 b=10.11 e=10.11)
4 0.36 11.98 145030 Nexd6+ Q6xd6 Ngxf6+ Bxf6 Nbxd6+ Bxd6 Nxd6+ Qxd6 <ht>
4 0.51 11.98 259312 Nexd6+ Q6xd6 Ngxf6+ Bxf6 Nbxd6+ Bxd6 Nxd6+ Qxd6 <ht>
5 0.56 ++ 273878 Nexd6+ (a=11.48 b=12.48 e=12.48)
5 1.18 14.44 692079 Nexd6+ Q7xd6 Nfxd6+ Qxd6 Ndxf6+ Qxf6 Bxf7+ Qxf7
Nexf7+ Bbe5
5 1.61 14.44 1019542 Nexd6+ Q7xd6 Nfxd6+ Qxd6 Ndxf6+ Qxf6 Bxf7+ Qxf7
Nexf7+ Bbe5
6 1.86 ++ 1179943 Nexd6+ (a=13.94 b=14.94 e=14.94)
6 3.31 15.20 2280475 Nexd6+ Q6xd6 Ngxf6+ Nxf6 Nfxd6+ Qxd6 <ht>
6 8.57 15.20 5894714 Nexd6+ Q6xd6 Ngxf6+ Nxf6 Nfxd6+ Qxd6 <ht>
7 8.69 ++ 5960831 Nexd6+ (a=14.70 b=15.70 e=15.70)
7 15.26 320.85 11175k Nexd6+ Q7xd6 Nfxd6+ Qxd6 Nexf7+ Be4 Qxe4+ Qfe5
Nbxd6+ Nxd6 Ndc7+ Bxc7 Nxc7+ Nxc7 Nxd6# <ht>
7 29.94 320.85 23226k Nexd6+ Q7xd6 Nfxd6+ Qxd6 Nexf7+ Be4 Qxe4+ Qfe5
Nbxd6+ Nxd6 Ndc7+ Bxc7 Nxc7+ Nxc7 Nxd6# <ht>
8 40.42 320.85 31650k Nexd6+ Q7xd6 Nfxd6+ Qxd6 Nexf7+ Be4 Qxe4+ Qfe5
Nbxd6+ Nxd6 Ndc7+ Bxc7 Nxc7+ Nxc7 Nxd6#
8 2:20 320.85 115587k Nexd6+ Q7xd6 Nfxd6+ Qxd6 Nexf7+ Be4 Qxe4+ Qfe5
Nbxd6+ Nxd6 Ndc7+ Bxc7 Nxc7+ Nxc7 Nxd6#
9 3:17 320.85 163054k Nexd6+ Q7xd6 Nfxd6+ Qxd6 Nexf7+ Be4 Qxe4+ Qfe5
Nbxd6+ Nxd6 Ndc7+ Bxc7 Nxc7+ Nxc7 Nxd6# <ht>
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