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

Author: Vincent Diepeveen

Date: 10:14:55 10/11/02

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On October 11, 2002 at 11:03:19, Uri Blass wrote:

DIEP needs 9 ply to see the KRP KRP endgame (so winning
the pawn on e5). Not the depth is important here. the important
thing is i need 651k nodes in total to find h3. Deep Blue had
3 minutes and god knows how many millions of nodes and didn't
see h3 and lost. It's just a beancounting move.

anal
Analysis mode is on
Engineflags=0 mask=1 denktime=10000000 maxtime=10000000
00:00    166   0k 0 0 5 (2) 1 (0,1) -5.282 Rc4xf4 Kf5xf4
00:00    137   0k 0 0 11 (2) 1 (0,1) -0.728 h6-h5 Rh7xh5
00:00    372   0k 0 0 41 (2) 1 (0,2) -0.172 a4-a3 Rh7xh6
00:00    587   1k 0 0 94 (2) 2 (0,4) -0.505 a4-a3 Rh7-a7
00:00   1090   1k 0 0 218 (2) 3 (0,21) -0.437 a4-a3 Rh7-a7 Rc4-c3
00:00   3392   3k 0 0 916 (2) 4 (1,42) -0.538 a4-a3 Rh7-a7 Rc4-c3 Kf5-e5
00:00  10941  11k 0 0 3392 (2) 5 (6,87) -0.538 a4-a3 Rh7-f7 Kf8-e8 Rf7-a7 Rc4-c3
 Kf5-e5
00:00  22152  22k 0 0 9304 (2) 6 (20,169) -0.703 a4-a3 Rh7-a7 h4-h3 Ra7xa3 Rc4-c
5 Kf5-f6
++ h6-h5
00:00  27298  27k 0 0 15014 (2) 6 (40,226) -0.538 h6-h5 Kf5-e5 h4-h3 f4-f5 Rc4-c
5 Ke5-f6
00:00  44345  44k 0 0 31042 (2) 7 (56,325) -0.618 h6-h5 Kf5-e5 Kf8-g8 e6-e7 Rc4-
c8 Rh7xh5 Rc8-e8
00:01  67026  67k 0 0 75070 (2) 8 (100,564) -1.203 h6-h5 Kf5-e5 a4-a3 Rh7-a7 h4-
h3 Ra7xa3 h3-h2 Ra3-h3 Rc4-c5 Ke5-d6
00:02 106162 106k 0 0 304687 (2) 9 (285,1368) -1.229 h6-h5 Kf5-e5 Rc4-b4 f4-f5 K
f8-g8 Rh7-d7 h4-h3 Rd7-d2 Kg8-f8
++ h4-h3
00:05 124324 124k 0 0 624107 (2) 9 (405,2183) -0.145 h4-h3 Rh7xh6 a4-a3 Rh6xh3 R
c4-a4 Kf5-f6 Ra4xf4 Kf6-e5 Rf4-a4 Rh3-f3 Kf8-e7 Rf3-f7 Ke7-d8 Rf7-f1 a3-a2
00:05 130347 130k 0 0 710396 (2) 10 (414,2246) -0.145 h4-h3 Rh7xh6 a4-a3 Rh6xh3
Rc4-a4 Kf5-f6 Ra4xf4 Kf6-e5 Rf4-a4 Rh3-f3 Kf8-e7 Rf3-f7 Ke7-d8 Rf7-f1 a3-a2
00:06 145558 146k 0 0 975241 (2) 11 (530,2711) -0.145 h4-h3 Rh7xh6 a4-a3 Rh6xh3
Rc4-a4 Kf5-f6 Ra4xf4 Kf6-e5 Rf4-a4 Rh3-f3 Kf8-e7 Rf3-f7 Ke7-d8 Rf7-f1 a3-a2
00:09 171107 171k 0 0 1681989 (2) 12 (657,3367) -0.145 h4-h3 Rh7xh6 a4-a3 Rh6xh3
 Rc4-a4 Kf5-f6 Ra4xf4 Kf6-e5 Rf4-a4 Rh3-f3 Kf8-e7 Rf3-f7 Ke7-d8 Rf7-f1 a3-a2
00:18 199679 200k 0 0 3662129 (2) 13 (994,4874) -0.127 h4-h3 Rh7xh6 a4-a3 Rh6xh3
 Rc4-a4 Kf5-f6 Ra4xf4 Kf6-e5 Rf4-a4 Rh3-f3 Kf8-e8 Rf3-f1 a3-a2 Rf1-a1 Ke8-e7

>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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