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Subject: Re: Bob, do You finally accept, that PCs are playing at GM level?

Author: Mark Young

Date: 17:47:22 06/21/99

Go up one level in this thread


On June 21, 1999 at 09:29:53, Robert Hyatt wrote:

>On June 21, 1999 at 04:18:57, Jouni Uski wrote:

I think I finally figured out your problem with this topic. You talk to too many
Grandmasters that are trying to save face against computers. :)

>
>>After this 2 - 2 (Cilkchess removed) against super GMs with average ELO
>>2621 I think there is no doubt, that PC programs are playing at GM level!
>>Actually hardly no further games are needed. And remember, that average GM has
>>only 2500 as rating.
>
>That is incorrect.  2500 is the _minimum_ rating to earn the GM title, the
>average is well above this.
>
>
>
>
>>
>>I was at the playing hall in Paderborn. The conditions were excellent and
>>sure GMs were playing very serious. I was sitting quite near Fritz - Sokolov
>>board and after 14. Bh6 Sokolov's look was "interesting". He starts to think
>>about 20 minutes. In the continuation I didn't heard him to resign, but after
>>move 24. he simply starts to discuss with Friz operator Feist....
>
>
>
>Let me give you my reasons why I _still_ consider computers to be 2400
>players:
>
>1.  Pick any of the 5 programs that played the GM players.  I will find a
>game where they played so badly that if you look at _that_ game no one would
>consider that program to be a GM.  For example, take the winner and look at
>the playoff game.  Three different GM players commented that they had _never_
>seen white screw up the opening so badly...
>
>2.  Fritz won in the same way that Deep Blue won the last game vs Kasparov,
>actually even worse...  The GM simply made a blunder that a 2000 rated player
>would spot in an instant.  If you take that win away, the even result goes
>away.
>
>3.  I've been working on chess programming for a long time.  And regardless of
>how they 'seem' to play in many games, I still know just what they can and can't
>do.  And they are nowhere near a GM's level in 'knowledge'.  They are still
>surviving on tactics.  And there are plenty of GM players that know how to
>squelch tactics and make the game hinge on positional play.  And there the
>programs simply don't measure up.
>
>4.  I still consider computers to be 2400+.  What is the probability that in
>5 games, 2400 players could play evenly with a group of GMs rated 2600?  some-
>thing like 25%?
>
>5.  GM players exhibit a consistency in quality that computers don't.  A
>computer will play like a GM for 5 games, and like a beginner for 1.  What
>happens when the GM players learn what the computer can't do and then
>exploit that game after game?.  We had at least 4 different GM players watching
>part of the games on ICC (particularly the GM games the last day) and it was
>quite a common question "how can the machine play this opening, and then play
>_that_ move?"  Or "why does the machine play so nicely for several games and
>then play like a beginner here?"
>
>So they are very strong, yes.  And if you want to lump these games together
>with what we have so far, I don't have a problem with that.  So far, I am
>counting:
>
>Humans 5 (counting Anand and Rohde vs Rebel)
>progs  3
>
>at 40/2hr.  That is within reason for a 2400-2600 rating split, particularly
>when the just-finished 5 games were played with little preparation by the GM
>players, since they didn't know who they were playing 24 hours before they
>played.
>
>Yes, I think the machines are doing well.  No I don't think they are 2500+
>_yet_.  And the gaps in the program's knowledge are big enough that I don't
>think that tactics alone will make up the difference.   It goes a long way,
>but it doesn't close all the holes.
>
>One example (I won't name the GM because he asked me not to, and I won't name
>the program because I am not certain of the hardware nor that the program was
>that which was claimed since I only watched):
>
>The other nite on ICC, a GM friend of mine asked me to watch 2 games a friend
>of his was playing against a computer.  The computer hardware was supposedly a
>PIII/500 xeon (1 processor) running a program that everyone here thinks is a
>very 'smart' one based on NPS.  In the two games I watched, the GM made it look
>easy.  This 'smart' program seemed to not be real aware of the dangers of a
>'distant passed pawn' and allowed the GM to create one, and trade material,
>until it would see it was lost.  I wasn't playing the game, obviously, so I
>can't say how 'hard' the GM was 'thinking', but my 'friend' (not the one that
>was playing) commented on this. That is a _fatal_ mistake were this program
>trying to make its way up the GM ranks, because word spreads, and it simply
>gets rolled game after game.  I am pretty sure that until a GM finds this
>'hole', that program will give them fits on decent hardware.  And I am also
>sure that once a GM finds that hole, it is over except for the occasional
>tactical mistake he will make that the program won't overlook.
>
>The thing we are 'missing' in the programs is the 'consistency' that GM players
>have.  IE Shredder played very well throughout the tournament, yet reached a
>position in the playoff that I doubt even a 2000 player would reach.  almost
>zero mobility.  Cramped.  Inactive.  A position unlike one I have ever seen
>while watching hundreds of GM games on the chess servers...  The problem is
>_not_ impossible to solve.  But it is _not_ solved just yet.
>
>This match was 'data'.  Let's see how it looks when our data reaches 10 and
>then 20 games.  So far we only have 8.  And 5-3 is not a horrible result for
>the machines.  Unfortunately, based on prior experience, the programs tend to
>win early games and lose later ones as the GM players spot weaknesses that
>can be exploited.  Even IM players comment on the current crop of programs not
>doing decently with 'king safety' and how they are all very insensitive to
>long-term kingside attacks.  Playing on ICC will expose such.  If I didn't
>tweak things regularly, or add code to handle cases I was not handling before,
>I would do horribly on ICC.  Because after a while, players find the weaknesses
>and then they sit on those over and over and over.  Unfortunately programs are
>complex enough that fixing one often exposes more...
>
>Other opinions are welcomed of course.  This is only _mine_.



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