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Subject: Re: Amir Ban will have his chance to prove that DB was NOT better

Author: Robert Hyatt

Date: 07:26:03 11/15/02

Go up one level in this thread


On November 15, 2002 at 07:39:00, Uri Blass wrote:

>On November 15, 2002 at 06:30:17, Rolf Tueschen wrote:
>
>>Uri,
>>I hope that you will agree if we make a deeper analysis of the whole complex,
>>are you game? Thanks, and don't take anything of that too personal. It isn't.
>>The truth is that I am reflecting such questions since long, and from a science
>>view I see questions over questions but few answers.
>>
>>November 15, 2002 at 01:33:16, Uri Blass wrote:
>>
>>>The reason that I say that I believe that the programs of today are better is
>>>some analysis of the games with the logfiles.
>>
>>Ok, that's a good idea. However -
>>
>>
>>>
>>>The claim that the programs of today are better is not a claim that is only a
>>>claim of some programmers.
>>
>>Who said that? Not programmers but PR spin doctors. Totally different world.
>>
>>>
>>>There are logfiles of the games and in a few cases it is possible to compare
>>>times that deeper blue needs to see something with time that Deep Fritz need to
>>>see the same thing.
>>
>>You are a bit talking around in approximate terms. What logfiles and where. Why
>>only in a few cases. That sounds synthetic. Usually you gave much better
>>evidence.
>
>I give here some data.
>
>The problem is that in most of the cases there are not similiar lines but in
>cases that there are similiar lines or similiar fail low it is possible to
>compare which program does it faster.
>
>In order to find more data you need to analyze every position in the logfile
>when only in part of the cases you may find similiar lines or similiar behaviour
>because the programs have different evaluation.
>
>You can download the logfiles of the games
>
>Here are the logfiles of game 1
>
>http://www.research.ibm.com/deepblue/watch/html/game1clean.log
>
>Case 1:
>Deep blue pondered about 40.gxh5 that was not played by kasparov
>Deep blue failed low again and again
>
>-96 T=65 Bf3h5p rf1h1 Kh6g5 rh1g1 Kg5h6 bc3e5N Re8e5b bh3g4 Bh5g6p pf5g6B Kh6g6p
>bg4d7 Kg6f7 bd7c6P 11(6) #[Bxh5](-116)############################## -116 T=229
>Bf3h5p rf1h1 Kh6g5 rh1g1 Kg5h6 pg6g7 Ne5f3 rg1g3 Pc6c5 pb4c5P Rd8c8 pf5f6 Rc8c5p
>bh3d7 12(6) #[Bxh5](-146)[Bxh5](-146) -146v T=311 Bf3h5p rf1h1 Kh6g5 rh1g1 Kg5h6
>pg6g7 Ne5f3 rg1g3 Pc6c5 pb4c5P Rd8c8 pf5f6 Rc8c5p pg7g8/q Re8g8q rg3g8R Rc5c3b
>rg8h8 12(6) #[Bxh5](-171)# 'rg1' --------------------------------------- -->
>rf1g1 <-- --------------------------------------- -171 T=538 Bf3h5p rf1h1 Kh6g5
>rh1g1 Kg5h6 pg6g7 Ne5f3 rg1g3 Nf3g5 bc3f6 Rd8d2 kf2e1 Rd2e2 ke1f1 Ng5h3b rg3h3N
>Re2e3n rh3e3R
>
>
>Deep Fritz also fails low again and again after a similiar time with similiar
>score and it gives the feeling that the programs are of similiar strength.
>
>
>Kasparov,G - Deep Blue
>3rr3/8/2p3Pk/1p2nP1P/pP2p3/P1B1Nb1B/2P2K2/5R2 b - - 0 1
>
>Analysis by Deep Fritz:
>
>40...Ne5xg6--
>  ²  (0.59)   Depth: 1/3   00:00:00
>40...Ne5xg6-- 41.h5xg6
>  +-  (3.56)   Depth: 1/4   00:00:00
>40...Kh6xh5!
>  +-  (3.34)   Depth: 1/4   00:00:00
>40...Kh6xh5!
>  ²  (0.41)   Depth: 1/4   00:00:00
>40...Kh6xh5 41.Rf1-g1
>  ²  (0.50)   Depth: 2/8   00:00:00
>40...Kh6xh5 41.Rf1-g1 Kh5-h6
>  ²  (0.50)   Depth: 3/11   00:00:00
>40...Kh6xh5 41.Rf1-g1 Kh5-h6 42.g6-g7
>  ²  (0.62)   Depth: 4/11   00:00:00  1kN
>40...Bf3xh5!
>  ²  (0.59)   Depth: 4/13   00:00:00  2kN
>40...Bf3xh5! 41.Bh3-g2 Ne5xg6 42.f5xg6 Kh6xg6
>  ²  (0.34)   Depth: 4/16   00:00:00  3kN
>40...Bf3xh5 41.Rf1-g1 Ne5xg6 42.f5xg6 Bh5xg6
>  ²  (0.44)   Depth: 5/14   00:00:00  7kN
>40...Bf3xh5 41.Rf1-g1 Ne5-f3 42.Rg1-g3 Re8-g8 43.Bh3-g2
>  ²  (0.56)   Depth: 6/15   00:00:00  14kN
>40...Bf3xh5 41.Rf1-g1 Ne5-f3 42.Rg1-g3 Re8-g8 43.Bh3-g2 Rd8-f8
>  ²  (0.62)   Depth: 7/19   00:00:00  43kN
>40...Bf3xh5 41.Rf1-g1 Ne5-f3 42.Rg1-g3 Re8-g8 43.g6-g7 Kh6-h7 44.f5-f6
>  ²  (0.69)   Depth: 8/21   00:00:00  88kN
>40...Bf3xh5 41.Rf1-h1 Kh6-g5 42.Rh1-g1+ Kg5-h6 43.g6-g7 Ne5-f3 44.Rg1-g3 Re8-g8
>  ±  (0.72)   Depth: 9/24   00:00:00  595kN
>40...Bf3xh5--
>  ±  (1.03)   Depth: 10/27   00:00:01  995kN
>40...Bf3xh5--
>  ±  (1.03)   Depth: 10/29   00:00:02  1317kN
>40...Bf3xh5 41.Rf1-h1 Kh6-g5 42.Rh1-g1+ Kg5-h6 43.g6-g7 Ne5-f3 44.Ne3-g4+ Bh5xg4
>45.Rg1xg4 Kh6-h7 46.Kf2-e3
>  ±  (1.06)   Depth: 11/28   00:00:07  4515kN
>40...Bf3xh5 41.Rf1-h1 Kh6-g5 42.Rh1-g1+ Kg5-h6 43.g6-g7 Ne5-f3 44.Ne3-g4+ Bh5xg4
>45.Rg1xg4 Kh6-h7 46.Kf2-e3
>  ±  (1.06)   Depth: 12/29   00:00:12  8140kN
>40...Bf3xh5 41.Kf2-g3 Kh6-g5 42.g6-g7 Ne5-f3 43.f5-f6 Bh5-f7 44.Bh3-g4 Nf3-d2
>45.Rf1-f5+ Kg5-h6 46.Bc3xd2
>  ±  (1.25)   Depth: 13/32   00:00:31  20418kN
>40...Bf3xh5 41.Kf2-g3 Kh6-g5 42.g6-g7 Ne5-f3 43.f5-f6 Bh5-f7 44.Bh3-g4 Nf3-d2
>45.Rf1-f5+ Kg5-h6 46.Rf5-c5
>  ±  (1.31)   Depth: 14/33   00:01:12  47451kN
>40...Bf3xh5--
>  +-  (1.62)   Depth: 15/37   00:03:08  122687kN
>40...Bf3xh5--
>  +-  (1.62)   Depth: 15/40   00:04:28  175879kN
>40...Bf3xh5 41.Rf1-h1 Kh6-g5 42.Rh1-g1+ Kg5-h6 43.g6-g7 Kh6-h7 44.f5-f6 Ne5-f7
>45.Ne3-f5 Rd8-d1 46.Rg1xd1
>  +-  (1.72)   Depth: 16/39   00:08:42  345199kN
>
>(Blass, Tel-aviv 15.11.2002)
>
>
>case 2:
>
>Both Deep Fritz(1000Mhz 64 Mbytes hash) and Deeper blue change their main line
>from 42...Nxg4+ 43.Rxg4 Kh5 to 42...Nxg4+ 43.Rxg4 Rd5 at similiar time Deep
>fritz is sligthly faster.
>
>
>Kasparov,G - Deep Blue
>3rr3/8/2p3Pk/1p2nP2/pP2p1N1/P1B5/2P2K2/6R1 b - - 0 1
>
>Analysis by Deep Fritz:
>
>
>
>42...Ne5xg4+ 43.Rg1xg4 Kh6-h5 44.Rg4-g1 Rd8-d5 45.f5-f6 Rd5-f5+ 46.Kf2-e1 Re8-g8
>47.f6-f7 Rg8xg6 48.Rg1-f1
>  +-  (1.53)   Depth: 15/34   00:00:45  29095kN
>42...Ne5xg4+ 43.Rg1xg4 Rd8-d5 44.f5-f6 Rd5-f5+ 45.Kf2-e2 Re8-g8 46.g6-g7 Kh6-h5
>47.Rg4xe4 Kh5-g6 48.Re4-e6
>  +-  (1.50)   Depth: 16/36   00:01:56  74709kN
>
>(Blass, Tel-aviv 15.11.2002)
>
>
>T=51 Ne5g4n rg1g4N Kh6h5 rg4g1 Re8f8 pf5f6 Rf8g8 pg6g7 Rd8d5 kf2e3 Rd5d7 bc3e5
>10(6) #[Nxg4](-129)[Nxg4](-129) -129v T=77 Ne5g4n rg1g4N Kh6h5 rg4g1 Re8f8 pf5f6
>Rf8g8 pg6g7 Rd8d5 kf2e3 Rd5f5 ke3e4P 10(6) #[Nxg4](-151)### -151 T=201 Ne5g4n
>rg1g4N Rd8d5 pf5f6 Rd5f5 kf2e2 Re8g8 pg6g7 Kh6h5 rg4g2 Kh5h6 ke2e3 Rf5f1 ke3e4P
>Kh6h7 rg2h2 11(6) 'ng4' [cont] -151 T=222 Ne5g4n rg1g4N Rd8d5 pf5f6 Rd5f5 kf2e2
>Re8g8 pg6g7 Kh6h5 rg4g2 Rf5f3 bc3b2 Kh5h6 rg2g4 Rf3f5 bb2d4 Pe4e3 ke2e3P Kh6h5
>rg4f4 ---------------------------------------
>
>
>case 3:
>
>Analysis of the end of game 1
>
>
>I find near the end of game 1
>
>T=73 Rd5f5 kf2e2 Re8g8 pg6g7 Kh6h5 rg4g1 Rf5f3 bc3b2 Kh5h6 rg1g4 Rf3f5 bb2d4
>Pe4e3 ke2e3P Rf5f1 ke3e4 Rf1f6p 11(6)
>
>#[Rf5](-260)v[find a move]#########[TIMEOUT][et3 1295
>sec]#[Rg8](-183)[Rd1](-180) -180 T=204 Rd5d1 pf6f7 Rd1f1 kf2f1R Kh6h5 pf7e8R/q
>Kh5g4r --------------------------------------- --> 44. .. Rd1
>
>
>It is clear that deeper blue failed low after 204 seconds and a bug caused it to
>play a random move but the fact that it failed low is because of Ke3 that does
>not appear.
>
>Deep Fritz also shows similiar fail low
>
>Here is some analysis on 1000Mhz
>It failed low after similiar time
>
>Kasparov,G - Deep Blue
>4r3/8/2p2PPk/1p1r4/pP2p1R1/P1B5/2P2K2/8 b - - 0 1
>
>Analysis by Deep Fritz:
>
>44...e4-e3+--
>  =  (0.19)   Depth: 1/3   00:00:00
>44...e4-e3+-- 45.Kf2-e2
>  ±  (1.22)   Depth: 1/5   00:00:00
>44...Rd5-d1!
>  ±  (1.00)   Depth: 1/5   00:00:00
>44...Rd5-d1--
>  ±  (1.37)   Depth: 2/6   00:00:00
>44...Rd5-d1--
>  ±  (1.37)   Depth: 2/6   00:00:00
>44...Re8-d8!
>  ±  (1.28)   Depth: 2/7   00:00:00
>44...Re8-g8!
>  ±  (1.25)   Depth: 2/8   00:00:00
>44...Re8-g8! 45.g6-g7
>  ²  (0.47)   Depth: 2/11   00:00:00
>44...Re8-g8 45.g6-g7 Rd5-f5+ 46.Kf2-e2
>  ±  (0.72)   Depth: 3/14   00:00:00
>44...Re8-g8 45.g6-g7 Rd5-f5+ 46.Kf2-e2 Rf5-f3
>  ±  (0.75)   Depth: 4/12   00:00:00  2kN
>44...Re8-g8 45.g6-g7 Rd5-f5+ 46.Kf2-e2 Rf5-f3 47.Bc3-d2+ Kh6-h7
>  ±  (0.75)   Depth: 5/13   00:00:00  6kN
>44...Re8-g8--
>  ±  (1.06)   Depth: 6/16   00:00:00  14kN
>44...Re8-g8-- 45.g6-g7 Rd5-h5 46.Rg4xe4 Rh5-h2+ 47.Kf2-e3 Rh2xc2
>  +-  (1.53)   Depth: 6/17   00:00:00  20kN
>44...Rd5-f5+!
>  +-  (1.50)   Depth: 6/18   00:00:00  36kN
>44...e4-e3+!
>  +-  (1.47)   Depth: 6/18   00:00:00  44kN
>44...e4-e3+! 45.Kf2-e2 Rd5-h5 46.g6-g7 Rh5-h2+ 47.Ke2-d3 Re8-d8+ 48.Bc3-d4 e3-e2
>  ²  (0.66)   Depth: 6/18   00:00:00  51kN
>44...e4-e3+--
>  ±  (0.97)   Depth: 7/19   00:00:00  65kN
>44...e4-e3+-- 45.Kf2-e2 Rd5-h5 46.g6-g7 Rh5-h2+ 47.Ke2-d3 Re8-d8+ 48.Rg4-d4
>Rd8xd4+ 49.Kd3xd4 Kh6-h7 50.Kd4xe3
>  +-  (1.47)   Depth: 7/24   00:00:00  85kN
>44...Rd5-d8!
>  +-  (1.44)   Depth: 7/24   00:00:00  146kN
>44...Rd5-d8! 45.f6-f7 Re8-f8 46.Kf2-e3 Kh6-h5 47.Rg4-g3 Rd8-d6
>  ±  (1.25)   Depth: 7/24   00:00:00  155kN
>44...Rd5-d8--
>  +-  (1.56)   Depth: 8/15   00:00:00  194kN
>44...Rd5-d8-- 45.f6-f7 Re8-f8 46.Kf2-e3 Kh6-h5 47.Rg4-g2 Kh5-h6 48.Ke3xe4
>  +-  (2.56)   Depth: 8/18   00:00:00  212kN
>44...e4-e3+!
>  +-  (2.53)   Depth: 8/21   00:00:00  250kN
>44...e4-e3+! 45.Kf2-e2 Rd5-f5 46.f6-f7 Rf5-f2+ 47.Ke2-d3 Re8-d8+ 48.Kd3xe3
>Rf2xc2
>  +-  (2.03)   Depth: 8/23   00:00:00  307kN
>44...Rd5-d7!
>  +-  (2.00)   Depth: 8/23   00:00:00  494kN
>44...Rd5-d7! 45.g6-g7 e4-e3+ 46.Kf2-f3 Kh6-h7 47.Rg4-h4+ Kh7-g6 48.Rh4-e4 Re8-g8
>49.Kf3xe3
>  +-  (1.94)   Depth: 8/23   00:00:00  515kN
>44...Re8-d8!
>  +-  (1.91)   Depth: 8/23   00:00:00  553kN
>44...Re8-d8! 45.g6-g7 Kh6-h7 46.Rg4xe4 Rd5-h5 47.Kf2-g3 Kh7-g8 48.Re4-e7
>  +-  (1.87)   Depth: 8/23   00:00:00  572kN
>44...Re8-g8!
>  +-  (1.84)   Depth: 8/23   00:00:01  642kN
>44...Kh6-h5!
>  +-  (1.81)   Depth: 8/23   00:00:01  661kN
>44...Kh6-h5--
>  +-  (2.12)   Depth: 9/22   00:00:01  776kN
>44...Kh6-h5-- 45.f6-f7 Re8-f8 46.Kf2-g3 Rd5-d8 47.Bc3-g7 e4-e3
>  +-  (2.50)   Depth: 9/22   00:00:01  855kN
>44...Re8-g8!
>  +-  (2.47)   Depth: 9/22   00:00:01  888kN
>44...Re8-g8! 45.g6-g7 Rd5-f5+ 46.Kf2-e2 Kh6-h5 47.Rg4xe4 Kh5-g6 48.Re4-e6 c6-c5
>49.b4xc5 Rf5xc5
>  +-  (1.91)   Depth: 9/22   00:00:01  971kN
>44...Re8-g8 45.g6-g7 Rd5-f5+ 46.Kf2-e2 Kh6-h5 47.Rg4xe4 Kh5-g6 48.Re4-e6 c6-c5
>49.b4xc5 Rf5xc5 50.Ke2-d3
>  +-  (2.00)   Depth: 10/23   00:00:02  1568kN
>44...Kh6-h5!
>  +-  (1.97)   Depth: 10/27   00:00:03  2293kN
>44...Kh6-h5! 45.f6-f7 Re8-f8 46.Kf2-g3 Rd5-d8 47.Bc3-g7 Rf8-g8 48.f7xg8Q
>  +-  (1.81)   Depth: 10/27   00:00:03  2362kN
>44...Kh6-h5 45.f6-f7 Re8-f8 46.g6-g7 Rf8xf7+ 47.Kf2-e2 Rd5-d8 48.g7-g8Q Rd8xg8
>49.Rg4xg8 Rf7-f3 50.Bc3-b2
>  +-  (1.87)   Depth: 11/25   00:00:04  2791kN
>44...Kh6-h5--
>  +-  (2.19)   Depth: 12/29   00:00:06  4330kN
>44...Kh6-h5--
>  +-  (2.19)   Depth: 12/29   00:00:06  4582kN
>44...Re8-g8!
>  +-  (2.16)   Depth: 12/29   00:00:07  5091kN
>44...Re8-g8! 45.g6-g7 Rd5-f5+ 46.Kf2-e3 Rf5-f3+ 47.Ke3-e2 Kh6-h7 48.Bc3-b2
>Rf3-f5 49.Ke2-e3 Rf5-f1 50.Rg4xe4
>  +-  (2.03)   Depth: 12/29   00:00:09  6238kN
>44...Rd5-f5+!
>  +-  (2.00)   Depth: 12/31   00:00:15  10217kN
>44...Rd5-f5+! 45.Kf2-e2 Re8-g8 46.g6-g7 Kh6-h5 47.Rg4xe4 Kh5-g6 48.Re4-e6 c6-c5
>49.Re6-e4 c5xb4 50.Re4xb4
>  +-  (1.50)   Depth: 12/31   00:00:16  10831kN
>44...Rd5-f5+ 45.Kf2-e2 Re8-g8 46.g6-g7 Kh6-h5 47.Rg4xe4 Kh5-g6 48.Re4-e6 c6-c5
>49.Re6-e4 c5xb4 50.Re4xb4
>  +-  (1.50)   Depth: 13/29   00:00:19  12786kN
>44...Rd5-f5+--
>  +-  (1.81)   Depth: 14/31   00:00:27  18278kN
>44...Rd5-f5+-- 45.Kf2-e2 Re8-g8 46.g6-g7 Kh6-h5 47.Rg4xe4 Kh5-g6 48.Re4-e6 c6-c5
>49.b4xc5 Rf5xc5 50.Ke2-d3
>  +-  (1.84)   Depth: 14/35   00:00:45  31295kN
>44...Rd5-f5+ 45.Kf2-e2 Re8-g8 46.g6-g7 Kh6-h5 47.Rg4xe4 Kh5-g6 48.Re4-e6 c6-c5
>49.b4xc5 Rf5xc5 50.Ke2-d3
>  +-  (1.94)   Depth: 15/33   00:01:21  55884kN
>44...Rd5-f5+--
>  +-  (2.25)   Depth: 16/37   00:03:29  141379kN
>44...Rd5-f5+-- 45.Kf2-e3 Rf5-f3+ 46.Ke3-e2 Re8-g8 47.Bc3-d2+ Kh6-h5 48.Rg4-g5+
>Kh5-h6 49.f6-f7 Rg8-d8 50.g6-g7
>  +-  (3.06)   Depth: 16/37   00:05:42  229369kN
>44...Re8-g8!
>  +-  (3.03)   Depth: 16/37   00:06:04  242531kN
>
>(Blass, Tel-aviv 15.11.2002)
>
>Uri


That is the "tactical side".  However I have personally seen enough
positional mistakes by deep fritz to not compare them at all in that
area.  DF is perfectly ok in _some_ positions.  But in others, forget
about it.  _particularly_ in pawn endings where things like majorities
have to be taken into account.  And it simply doesn't...




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