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Subject: Re: Question for Robert Hyatt about Deep Blue moves

Author: Uri Blass

Date: 08:03:19 10/11/02

Go up one level in this thread


On October 11, 2002 at 09:47:50, Vincent Diepeveen wrote:

>On October 11, 2002 at 09:41:13, Uri Blass wrote:
>
>>On October 11, 2002 at 08:14:11, Vincent Diepeveen wrote:
>>
>>>On October 11, 2002 at 08:11:58, Uri Blass wrote:
>>>
>>>>On October 11, 2002 at 08:02:47, Vincent Diepeveen wrote:
>>>>
>>>>>On October 11, 2002 at 00:59:36, Slater Wold wrote:
>>>>>
>>>>>Slate, everyone recognizes that deep thought was an
>>>>>absolute beginner. Do you agree?
>>>>
>>>>No
>>>>
>>>>I did not say that deep thought was an absolute beginner.
>>>>I believe that everybody is going to disagree with you about it.
>>>>
>>>>I believe that everybody's opinion is that deep thought can beat most of the
>>>>humans of today.
>>>>
>>>>i believe that everybody's opinion is that Deep thought can achieve today more
>>>>than fide rating of 2000 against humans and beginners cannot do it.
>>>
>>>2000 is beginners level to me.
>>>
>>>Look deep thought:
>>>
>>>5k2/7R/4P2p/5K2/p1r2P1p/8/8/8 b LCTFIN04 (...h3!)
>>>
>>>what is movei playing here and what is its score?
>>
>>h5 -0.58/12,-1.15/13
>>a3 -0.91/13
>>
>>Iteration 13 was finished.
>>
>>It evaluates the position as clear advantage for white(I think that white is
>>winning and h3 cannot save black).
>>
>>Endgames is one of the main weakness of movei.
>>The only knowledge of it about endgame is to centralize the king.
>>
>>I did not improve movei in the last 2 months and the only changes that I do are
>>about supporting the analyze command and pondering by the winboard protocol.
>>
>>I still need to teach it to use hash tables for pruning.
>
>Deep thought at 3 minutes didn't find h3 here. Can you believe it?

Yes

Movei of today needs depth 14 and an hour to find it on p850

I used 16 mbytes hash

I may check it with 128 mbytes(maybe I can get better result).

14 -98 132464 244407457 a4a3 h7a7 h6h5 a7a3 f8e7 a3a7 e7d8 a7h7 h4h3 f5g5 c4c3
g5h5 c3c7 h7c7 d8c7
14 -97 255815 446145540 h4h3
14 -9 375004 649261316 h4h3 h7h6 a4a3 h6h8 f8e7 h8h7 e7e8 h7h3 c4a4 h3h8 e8e7
h8h7 e7f8 f5f6 a4f4 f6e5 a3a2 h7h8 f8e7 h8a8 f4f2 a8a7 e7e8 e6e7 a2a1q a7a1 e8e7
14 -9 376399 651931472 h4h3 h7h6 a4a3 h6h8 f8e7 h8h7 e7e8 h7h3 c4a4 h3h8 e8e7
h8h7 e7f8 f5f6 a4f4 f6e5 a3a2 h7h8 f8e7 h8a8 f4f2 a8a7 e7e8 e6e7 a2a1q a7a1 e8e7

Uri



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