Author: leonid
Date: 12:27:05 08/25/01
Go up one level in this thread
On August 25, 2001 at 13:16:09, Tim Foden wrote:
>On August 25, 2001 at 12:37:52, leonid wrote:
>>Hi!
>>
>>Since you have very close result for this position, maybe you can see for me
>>also previous one. I am curious to find why my selective was so bad on it. By
>>seeing your result my guess could better done.
>>
>>Selective for previous position was 10 min and 12 sec for mate in 10 moves
>>depth. I don't know exactly shortest mate for that position, since my 6 moves
>>brute force took already 2 hours and 2 min. It was too slow for me to look more
>>deeply.
>>
>>By precaution will indicate that previous position.
>>
>>[D]2nkq3/3qqn2/1rqqbbqr/2NQ1QN1/3Q1Q2/4Q3/1QRQ1QB1/1QK3BR w - -
>>
>
>OK, I'll bite :)
>
>Green Light Chess 2.15-pr1, 48MB hash, 920MHz Duron:
>
>>anal
> Game stage: Opening
> Current eval: 31.13
> Ply Time Score Nodes Principal Variation
> 1 0.05 +40.907 5653 Ncxe6+ Qd6xe6 Qexe6 Bxd4 Rxc6 Rxb2 Qfxg6
> 2 0.05 ++ 6191 Ncxe6+ (a=40.51 b=41.31 e=41.31)
> 2 0.09 +47.237 24337 Ncxe6+ Qexe6 Nxe6+ Qd6xe6 Rxc6 Rxc6+ Qxc6 Bxd4 Qxg6
> 2 0.17 +47.237 56960 Ncxe6+ Qexe6 Nxe6+ Qd6xe6 Rxc6 Rxc6+ Qxc6 Bxd4 Qxg6
> 3 1.21 -- 685121 Ncxe6+ (a=46.84 b=47.64 e=46.84)
> 3 1.64 +42.819 937583 Ncxe6+ Qexe6 Nxe6+ Qexe6 Qbxb6+ Nxb6 Rxc6 Bxd4
> Qexe6 Qgxe6 Rxd6
> 3 2.16 +42.819 1250356 Ncxe6+ Qexe6 Nxe6+ Qexe6 Qbxb6+ Nxb6 Rxc6 Bxd4
> Qexe6 Qgxe6 Rxd6
> 4 2.18 ++ 1257223 Ncxe6+ (a=42.42 b=43.22 e=43.22)
> 4 15.23 +46.710 9261876 Ncxe6+ Qexe6 Qbxb6+ Qxb6 Nxe6+ Qexe6 Qbxb6+ {ht}
> 4 21.31 +46.710 13029k Ncxe6+ Qexe6 Qbxb6+ Qxb6 Nxe6+ Qexe6 Qbxb6+ {ht}
> 5 21.42 ++ 13068k Ncxe6+ (a=46.31 b=47.11 e=47.11)
> 5 1:42 Mate09 75440k Ncxe6+ Qd7xe6 Qfxd6+ Qe7xd6 Qxd6+ Qcxd6 Nxf7+ Ke7
> Qdxf6+ Qxf6 Qbxf6+ Rxf6 Qxf6+ Kd7 Qexe6+ Qxe6
> Qd8#
> 5 2:05 Mate09 94186k Ncxe6+ Qd7xe6 Qfxd6+ Qe7xd6 Qxd6+ Qcxd6 Nxf7+ Ke7
> Qdxf6+ Qxf6 Qbxf6+ Rxf6 Qxf6+ Kd7 Qexe6+ Qxe6
> Qd8#
> 6 5:21 Mate09 273736k Ncxe6+ Qexe6 Qbxb6+ Qcc7 Qxc7+ Q7xc7 Nxf7+ Ke7
> Qdxe6+ Qxe6 Qfxe6+ Kf8 Qxe8+ Kg7 Qxh6+ Qxh6 Qxh6#
> 6 7:22 Mate09 390507k Ncxe6+ Qexe6 Qbxb6+ Qcc7 Qxc7+ Q7xc7 Nxf7+ Ke7
> Qdxe6+ Qxe6 Qfxe6+ Kf8 Qxe8+ Kg7 Qxh6+ Qxh6 Qxh6#
> 7 13:07 Mate09 765825k Ncxe6+ Qexe6 Qbxb6+ Qcc7 Qxc7+ Q7xc7 Nxf7+ Ke7
> Qdxe6+ Qxe6 Qfxe6+ Kf8 Qxe8+ Kg7 Qxh6+ Qxh6 Qxh6#
> 7 19:31 4/95 Qdxd6 >exit
> local: t=19:36 nps=1000477.6 n=1176572684 (15.2% / 84.8%) fh=97.1%
> total: t=19:36 nps=1000477.6 n=1176572684 draws=52031
> trans: probes=80613431 hits=9096866 (11.28%) draft=7316132 (9.08%)
> tcuts: exact=669 (0.00%) upper=5145802 (6.38%) lower=1248584 (1.55%)
> tstor: exact=780 (0.00%) upper=42019539 (76.15%) lower=13162361 (23.85%)
> ext: check=139309447 recap=4379875 ppush=0 1rep=1437521 thrt=0
> q-moves: gen=18375816 tested=2885552 made/un=152206 max-dep=5
> max eval diff: part-1=2.005 part-2=1.730
>Cheers, Tim.
Thanks,Tim!
After your response it look like that position is simply heavy. Results are very
close.
Cheers,
Leonid.
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