Hi!

Ask your questions in the forum (www.rybkaforum.net), please. The yahoo
group isn't used anymore.


Regards,

Felix

On Wed, 28 Mar 2007 13:14:16 +0200, royprasanta2000
<royprasanta2000@...> wrote:

>
> I have no idea how to use rybka or shredder of Chess assistant9 to
> analyse or annotate chess games I saved in the internet.If you or any
> one can show me the way in detail I shall be grateful.Prasanta Roy
>
>
>
>
>
>
> --- In Rybka_chess_group@yahoogroups.com, "bogdan_calmac"
> <bogdan_calmac@...> wrote:
>>
>> I'm trying to use Rybka (2.1 32-bit, single CPU) to analyze my
>> (mediocre) games through the two GUIs that I own, Fritz 8 and
>> Shredder 10 UCI.
>>
>> I tried the following analysis modes:
>> - Full analysis (Fritz 8)
>> - Blunder check (Fritz 8)
>> - Deep position analysis (Fritz 8)
>> - Analyze game (Shredder 10)
>>
>> The general problem is that Rybka does not take into acount the
> time
>> limits specified, but just keep analyzing indefinitely at some
> point.
>> For instance, when using "Blunder Check" with time=60sec and
>> threshold=66, Rybka rightfully sees that 15.Nb3 is a gross blunder
>> but then hangs on analyzing 14...Nf4. I left it overnight and I
> found
>> it in the same place at the ridiculous depth of 22:-)
>>
>> 1. e4 e5 2. Nf3 Nc6 3. d3 Nf6 4. Be2 d5 5. exd5 Nxd5
>> 6. c4 Bb4+ 7. Bd2 Nf4 8. O-O Qf6 9. Bxb4 Nxb4 10. Qa4+ Bd7
>> 11. Qxb4 Nxe2+ 12. Kh1 Bc6 13. Nbd2 O-O-O 14. Rae1 Nf4 15. Nb3 Bxf3
>> 16. gxf3 Nxd3 17. Nc5 Qxf3+ 18. Kg1 Nxb4 19. Re3 Qc6 0-1
>>
>> I tried again with time=5sec and the same thing happened. On the
>> other hand, other engines (Fritz 8, Shredder 10 UCI) have no
> problem
>> with this game and analyse each move for the specified time plus at
>> most 50%. That's acceptable, you must probably finish analyzing the
>> current ply, but Rybka goes many plies deeper after the time is up.
>>
>> So now the question: Is Rybka compatible with the various analysis
>> modes of third party GUIs (which rely on UCI)? Or is is usable just
>> for interactive analysis mode (turn on infinite analysis and keep
>> staring at the best line)?
>>
>> I also want to mention that I use a Thinkpad T60 (Intel Centrino
> Duo
>> 2GHz CPU, 1.5 GB RAM). For the above test I tried hash sizes of 64,
>> 128 and 512 with the same result. Also, the engine was left with
> the
>> default configuration.
>>
>> Thank you.
>>
>
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