Author: Tim Foden
Date: 03:53:12 02/15/01
Go up one level in this thread
On February 15, 2001 at 06:10:16, leonid wrote:
>Hi!
>
>If you like solve one forced mate, you can try this:
>
>[D]3BQnQN/3b3q/2Q3rn/KR2Qqbk/1R2Qqrn/2Q4b/3b1n1q/1Q1BQ1QN w - -
>
>Please, indicate your result.
>
Green Light Chess v2.13-pr1, 48Mb hash, 920MHz Duron.
Finds Qxg4+ is a mate in 9 after 2:07. See analysis below.
Cheers, Tim.
>hash 48
Hash table size set to: 48.0MB
>anal
Game stage: Opening
Current eval: 32.29
Ply Time Score Nodes Principal Variation
2 0.07 39.06 10023 Bxg4+ Nhxg4 Q5xf5
2 0.08 39.06 12807 Bxg4+ Nhxg4 Q5xf5
3 0.22 -- 54424 Bxg4+ (a=38.56 b=39.56 e=38.56)
3 0.32 36.14 80685 Bxg4+ Nfxg4 Ng3+ Qhxg3 Qexg3
3 0.40 37.59 107290 Nxg6 Bxe8 Nxf4+ Qhxf4
3 0.42 37.59 112499 Nxg6 Bxe8 Nxf4+ Qhxf4
4 0.59 ++ 153797 Nxg6 (a=37.09 b=38.09 e=38.09)
4 0.83 39.05 260402 Nxg6 Nfxg6 Bxg4+ Nfxg4 Qxh7
4 1.18 39.05 451236 Nxg6 Nfxg6 Bxg4+ Nfxg4 Qxh7
5 7.06 -- 3505980 Nxg6 (a=38.55 b=39.55 e=38.55)
5 9.11 36.32 4237753 Nxg6 Qhxg6 Q4xf4 Qxg1 Bxg4+ Bxg4
5 12.67 36.49 6270823 Bxg4+ Nfxg4 Nxg6 Nhxg6 <ht>
5 15.07 36.49 7414142 Bxg4+ Nfxg4 Nxg6 Nhxg6 <ht>
6 43.43 36.56 23397k Bxg4+ Bxg4 Nxg6 Bxd8+ Ka6 Qxg6 Q5xf4 Qxf4 Qcxg6+
Nhxg6 Qxf4
6 1:26 36.56 46376k Bxg4+ Bxg4 Nxg6 Bxd8+ Ka6 Qxg6 Q5xf4 Qxf4 Qcxg6+
Nhxg6 Qxf4
7 1:29 ++ 47444k Bxg4+ (a=36.06 b=37.06 e=37.06)
7 2:07 39.30 72263k Bxg4+ Bxg4 Nxg6 Nfxg6 Qcxg6+ Qhxg6 Qexg6+ Nxg6 Qxh2+
Nh3 Qe5xf4 Nxg8
7 3:31 320.83 129418k Qxg4+ Nfxg4 Qxh4+ Kxh4 Bxg5+ Q4xg5 Nxg6+ Qgxg6 Qeg3+
Kh5 Bxg4+ Nxg4 Qxh3+ Qxh3 Qxh3+ Kg5 Qexg4# <ht>
7 3:46 320.83 143050k Qxg4+ Nfxg4 Qxh4+ Kxh4 Bxg5+ Q4xg5 Nxg6+ Qgxg6 Qeg3+
Kh5 Bxg4+ Nxg4 Qxh3+ Qxh3 Qxh3+ Kg5 Qexg4# <ht>
8 4:37 320.83 192020k Qxg4+ Nfxg4 Qxh4+ Kxh4 Bxg5+ Q4xg5 Nxg6+ Qgxg6 Qeg3+
Kh5 Bxg4+ Nxg4 Qxh3+ Qxh3 Qxh3+ Kg5 Qexg4# <ht>
8 5:57 4/114 Qexg6+ >exit
local: t=6:01 nps=759319.8 n=274242787 (f=38735829 q=235506958)
total: t=6:01 nps=759319.8 n=274242787 draws=4180
trans: probes=23359927 hits=2838379 (12.15%) draft=2158430 (9.24%)
tcuts: exact=257 (0.00%) upper=1028993 (4.40%) lower=371987 (1.59%)
tstor: exact=806 (0.00%) upper=13714900 (79.72%) lower=3488653 (20.28%)
ext: check=27851738 recap=1433748 ppush=0 1rep=876691 thrt=0
q-moves: gen=222773348 tested=32498553 made/un=16515043 max-dep=7
max eval diff: part-1=1.93 part-2=1.60
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