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Subject: Re: Interesting that Tiger 14 can't find this endgame solution into 21 ply

Author: irawan

Date: 23:11:37 01/17/02

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On January 18, 2002 at 00:30:43, Terry Ripple wrote:

>On January 17, 2002 at 18:13:22, James T. Walker wrote:
>
>>On January 17, 2002 at 15:23:02, Terry Ripple wrote:
>>
>>>On January 17, 2002 at 14:36:31, James T. Walker wrote:
>>>
>>>>On January 17, 2002 at 14:35:20, James T. Walker wrote:
>>>>
>>>>>I have just tried Gambit Tiger 2.0 which should play the same endgame as Chess
>>>>>Tiger.  Gambit Tiger found Kg4 in the 18th ply at 4:02 on my Athlon 1.4G.
>>>>>Jim
>>>>
>>>>Just as I typed and posted that Gambit changed back to fxg5 in the 19th ply ! ??
>>>-----------
>>>Jim,
>>>This is what i'am experiencing and like i said, i was into 21 ply when i stopped
>>>the search!
>>>
>>>The Rebel page claims Century can find this solution but my Rebel Century was
>>>into 18 ply with still wanting to play fxg5.
>>>
>>>Earlier in the search Rebel Century was looking at the correct move (Kg4) but
>>>then a "Failed" appeared aside of Kg4!. Then it went on to thinking once again
>>>that fxg5 was correct. Do you know what this "Failed" message means?
>>>
>>>Best regards,
>>>Terry
>>
>>Hello Terry,
>>My Century 4 does take untill ply 18.06 to find the right move at 3:09.  At that
>>point however it holds on untill way past 30 minutes.  This is on my Athlon 1.4
>>G machine with 200 M hash and Rebel hitting about 1.25M/nps.  After Kg4 and Be7
>>the machine must still avoid fxg5 and play Kf5 I think to make this a win.  Are
>>you sure you're using Century 4 and not Century 3.2?
>>Regards,
>>Jim
>-----------
>You are correct about me using Century 3.2 and not the 4.0! Do you feel it's
>worth the upgrade to 4.0? I been debating if i want to upgrade or just wait
>until the Windows version comes out, but i know that i'll probaly have a long
>wait for this to happen any time soon.
>
>Regards,
>Terry

That first windows release maybe come with one or two nasty bugs.
Then your long wait become useless ... :-(.
I did not think that Ed will guarantee that his _first_ windows version will be
bug free. Ed has said that Lex now is converting Century engine. As you know,
with those huge line of code, is it possible to do it without a bug here and
there ?

regard
irawan



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