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Subject: Re: Question for Bob Hyatt re Crafty's superior analysis

Author: Drexel,Michael

Date: 00:05:42 11/19/03

Go up one level in this thread


On November 18, 2003 at 20:07:45, Russell Reagan wrote:

>On November 18, 2003 at 11:43:14, Drexel,Michael wrote:
>
>>Forget your theoretical viewpoint.
>>The GMs don't talk about the future, they talk about the present situation.
>
>My point, supported by real examples, is that even the best human players, even
>when they all agree, are not always as smart as they think they are.
>
>I already gave the one example where not a single GM saw the forced mate that
>the computer saw. Bob mentioned how Deep Thought played ugly (I assume according

Of course computers find some mates quickly that a human could not find. I don't
think anybody denied that. They are clearly superior in tactics.

>to strong human players) but handled all comers. How about Kasparov claiming
>that Deep Blue could "never play a move like that"? Well, it can, and it did.
>
>There was a time when humans played pretty poor chess, and if you didn't play
>the same style of chess it was frowned upon, even if it was a superior style.
>Think about the times of players like Morphy and Steinitz and other people who
>changed how the game was played. If you weren't attacking or counter-attacking,
>you weren't a "real man", so to speak. Computers are just another "guy who is
>changing how the game is played" IMO.
>
>GMs who used strategies that have worked for decades against other humans think
>that the computer who doesn't play the same style of chess plays inferior moves.
>I'm suggesting that maybe that isn't the case.

The human GMs 'evaluation' is clearly superior to the evaluation of any computer
program.

[D] rnb2rk1/1p3ppp/1Pp2n1q/2Pp4/1B1Pp2b/PNN1P2P/1R1Q1PP1/4KB1R w K - 0 23

rnb2rk1/1p3ppp/1Pp2n1q/2Pp4/1B1Pp2b/PNN1P2P/1R1Q1PP1/4KB1R w K - 0 1

Analysis by Fritz 8:

23.Ne2 Ng4 24.hxg4 Bxf2+ 25.Kxf2 Qxh1 26.g5 f5 27.Nf4
  ²  (0.40)   Depth: 7/19   00:00:00  26kN
23.Ne2 Be6 24.g3 Bg5 25.h4 Ng4 26.Bh3 Bf6 27.Nf4
  ²  (0.31)   Depth: 8/23   00:00:00  66kN
23.Ne2 Be6 24.g3 Bg5 25.h4 Ng4 26.Bh3 Bf6 27.Nf4
  ²  (0.31)   Depth: 9/26   00:00:00  129kN
23.Ne2 Bg5 24.Na5 Nbd7 25.Bc3 Qg6 26.Qc2 Bh4 27.Nf4 Qg5
  =  (0.25)   Depth: 10/26   00:00:00  479kN
23.Ne2 Bg5 24.Ra2 Nbd7 25.Qc2 Bh4 26.g3 Bg5 27.h4 Ne8 28.Bh3 Be7
  ²  (0.28)   Depth: 11/29   00:00:04  2344kN
23.Ne2 Bg5 24.Ra2 Nbd7 25.Ng3 Qg6 26.Bc3 Bh4 27.Ne2
  =  (0.25)   Depth: 12/30   00:00:07  4393kN
23.Ne2 Bg5 24.Ra2 Nbd7 25.Ng3 Qg6 26.Bc3 Ra4 27.Ne2 Qf5 28.Qc2 Bh4 29.Nf4
  ²  (0.28)   Depth: 13/32   00:00:17  10756kN
23.Ne2 Bg5 24.Ra2 Ng4 25.Bc3 Nd7 26.Qc2 Qh4 27.g3 Qh5
  =  (0.25)   Depth: 14/34   00:00:38  25000kN
23.Ne2 Bg5 24.Ra2 Ng4 25.a4 Re8 26.a5 Qh4 27.g3 Qh5 28.Nf4 Qh6
  ²  (0.31)   Depth: 15/42   00:02:14  94409kN

Now the same position without castling right for white:

New game
rnb2rk1/1p3ppp/1Pp2n1q/2Pp4/1B1Pp2b/PNN1P2P/1R1Q1PP1/4KB1R w - - 0 1

Analysis by Fritz 8:

23.g3 Bg5 24.h4 Ng4 25.Be2 Bf6 26.Qc2
  ³  (-0.50)   Depth: 7/14   00:00:00  17kN
23.g3 Bg5 24.h4 Ng4 25.Be2 Bf6 26.Qc2 Be6
  ³  (-0.57)   Depth: 8/18   00:00:00  34kN
23.Ne2!
  ³  (-0.53)   Depth: 8/18   00:00:00  47kN
23.Ne2 Nfd7 24.Nc3 Qg6
  ³  (-0.50)   Depth: 8/18   00:00:00  64kN
23.Ne2 Nfd7 24.Rg1 Qf6 25.Nf4 Bg5 26.Nh5 Qg6 27.Be2
  ³  (-0.41)   Depth: 9/29   00:00:00  194kN
23.Ne2 Nfd7 24.Rg1 Qf6 25.Nf4 Bg5 26.Nh5 Qg6 27.Be2 f5
  ³  (-0.47)   Depth: 10/22   00:00:00  332kN
23.Be2!
  ³  (-0.44)   Depth: 10/24   00:00:01  532kN
23.Be2 Qg6 24.g3 Bg5 25.Kf1 Nbd7 26.Kg2 Qf5 27.f4 exf3+ 28.Bxf3
  ³  (-0.28)   Depth: 11/30   00:00:03  1697kN
23.Be2 Qg6 24.g3 Bg5 25.Kf1 Nbd7 26.Kg2 Qf5 27.Rg1 Bh6 28.f4 exf3+ 29.Bxf3
  ³  (-0.32)   Depth: 12/28   00:00:05  2955kN
23.Be2 Qg6 24.g3 Bg5 25.Kf1 Na6 26.Kg2 Re8 27.Ba5 Be6 28.Bf1
  =  (-0.25)   Depth: 13/35   00:00:13  8297kN
23.Be2 Qg6 24.g3 Bg5 25.Kf1 Na6 26.Kg2 Be6 27.Na5 Rfb8 28.Bf1 Qf5 29.Qe2
  ³  (-0.28)   Depth: 14/39   00:00:33  21571kN
23.Be2 Qg6 24.g3 Bg5 25.Kf1 Na6 26.Na5 Qf5 27.Kg2 Nb8 28.Nb3
  ³  (-0.28)   Depth: 15/37   00:01:05  44744kN

A human GM, knowing that he can not castle short anyway because he is going to
be crushed on the Kingside, laughs about this evaluation.

Michael





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