Author: Tim Foden
Date: 01:33:44 03/05/01
Go up one level in this thread
On March 04, 2001 at 16:56:43, leonid wrote:
>Hi!
>
>If you want to solve one mate that is not difficult, then this is for you:
>
>[D]qNqkqNq1/1QqbqQB1/1qBR1q2/nQ1q1Qn1/1NNRNN2/1r3r2/3b4/3K4 w - -
>
>Please, indicate your result.
>
Green Light Chess finds the same mate in 8 as was previously reported.
It doesn't find anything shorter, but then I didn't let it search very
long.
Cheers, Tim.
Analysis... GLC v2.13, 920MHz Duron, 48Mb hash:
>hash 48
Hash table size set to: 48.0MB
>anal
Game stage: Opening
Current eval: -36.69
Ply Time Score Nodes Principal Variation
1 0.01 -36.60 1133 N4e6+ Nxe6
1 0.01 ++ 3002 N8e6+ (a=-37.19 b=-36.19 e=-36.19)
1 0.02 -35.64 3956 N8e6+ Nxe6
1 0.02 -26.33 4812 Nbxd5 >
1 0.03 -26.26 6178 Nxf65 >
1 0.04 -26.23 7727 Nfxd5 >
1 0.07 -23.15 13440 Qxc8+ Kxc8 Qxe8+ Qxe8 Nxb6+ Qxb6
1 0.08 -22.56 17058 Qxc7+ Qbxc7 Qxe8+ Kxe8 Bxd7+ Kd8
1 0.10 -22.43 22063 Qxe8+ Kxe8 Qxc8+ Qxc8 Bxd7+ Kf7
1 0.10 -22.43 22690 Qxe8+ Kxe8 Qxc8+ Qxc8 Bxd7+ Kf7
2 0.11 ++ 23136 Qxe8+ (a=-22.93 b=-21.93 e=-21.93)
2 0.15 -15.90 31471 Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Qxf6 Bxd7+ Kd8
2 0.18 -15.90 43510 Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Qxf6 Bxd7+ Kd8
3 0.21 ++ 46502 Qxe8+ (a=-16.40 b=-15.40 e=-15.40)
3 0.28 -5.95 74870 Qxe8+ Kxe8 Qxc8+ Kf7 Qbxd5+ Ne6 Qxf6+ Qxf6 Nxb6
3 0.44 -5.95 165758 Qxe8+ Kxe8 Qxc8+ Kf7 Qbxd5+ Ne6 Qxf6+ Qxf6 Nxb6
4 0.48 ++ 168878 Qxe8+ (a=-6.45 b=-5.45 e=-5.45)
4 0.73 3.72 310948 Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Qxc7+ Kxc7
Nbxd5+ Qxd5 N4xd5+ Kxb8
4 1.56 3.72 806540 Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Qxc7+ Kxc7
Nbxd5+ Qxd5 N4xd5+ Kxb8
5 1.58 ++ 813077 Qxe8+ (a=3.22 b=4.22 e=4.22)
5 2.07 320.85 1206702 Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7# <ht>
5 5.20 320.85 3861171 Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7# <ht>
6 7.72 320.85 5660844 Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7#
6 19.83 320.85 15923k Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7#
7 28.17 320.85 23098k Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7# <ht>
7 1:19 320.85 64838k Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7# <ht>
8 1:44 320.85 87257k Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7# <ht>
8 4:53 320.85 248169k Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7# <ht>
9 6:15 320.85 321758k Qxe8+ Kxe8 Qxc8+ Qxc8 Nxf6+ Kd8 Qxb6+ Qc7 Rxd7+
Qexd7 Qxd7+ Qxd7 Rxd7+ Kc8 Qxc7# <ht>
9 12:04 6/78 Qxc7+ >exit
local: t=12:05 nps=877716.6 n=636794808 (f=129705581 q=507089227)
total: t=54:49 nps=642145.9 n=2112326086 draws=25108
trans: probes=58202688 hits=5097967 (8.76%) draft=2754744 (4.73%)
tcuts: exact=265 (0.00%) upper=1086482 (1.87%) lower=1664829 (2.86%)
tstor: exact=279 (0.00%) upper=21404434 (67.22%) lower=10438302 (32.78%)
ext: check=65449472 recap=3126050 ppush=0 1rep=732662 thrt=0
q-moves: gen=2095400 tested=218208 made/un=90425 max-dep=9
max eval diff: part-1=1.56 part-2=1.57
>hash 6
Hash table size set to: 6.0MB
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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