Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: what is a perfect game?

Author: Peter Hegger

Date: 14:20:01 06/11/99

Go up one level in this thread


On June 11, 1999 at 11:47:27, KarinsDad wrote:

>On June 10, 1999 at 20:11:32, Dann Corbit wrote:
>
>>On June 10, 1999 at 19:46:25, Dave Gomboc wrote:
>>[snip]
>>>Ng1 isn't an inferior move if neither player can win and they both seek the
>>>shortest draw, which is precisely the condition I was describing.  Then it
>>>deserves a double exclam.
>>Is it legal to offer a draw before any move has been made?  Or after 1. d4 or
>>something?  In such a case, I propose that as the shortest draw.
>>[snip]
>
>Darn, I pulled myself back into this discussion (I hate when I do that :) ).
>
>First I will address Dann's comment:
>
>I think the FIDE rules indirectly imply that a move must be made (although
>Miles/Reuben got away with a draw with no moves in 1975), depending on
>interpretation: "The game is drawn upon agreement between the two players during
>the game. This immediately ends the game". Since this says "during the game", it
>implies that the game is actually being played (or one move has been made???).

A game can begin without a move being played. As long as the clock has been
started it is a game in progress.
Many people have actually lost games (time forfiets) without having ever made a
move.
Regards Peter

For computer chess, the game normally does not start until a move is made
>(although I do not know how this is handled in the WCCC for if one computer is
>down after start time or something).
>
>Next I will address Dave's comment:
>
>"Ng1 isn't an inferior move if neither player can win and they both seek the
>shortest draw, which is precisely the condition I was describing.  Then it
>deserves a double exclam."
>
>1. Nf3 Nf6 2. Ng1 may be a drawn position. If it is, it may be that black will
>play Ng8 in an attempt to draw. However, since Ng1 gives black two tempi, it is
>more likely that it a winning position for black than the original starting
>position is a winning position for white (i.e. two tempi vs. one tempi).
>Therefore, there is a more substantial chance that black has a forced win after
>Ng1. If this is the case, then white should not play Ng1.
>
>If at best black has a forced draw after Ng1, then Ng8 could lead to a fast draw
>as you claim. However, you also stated that maybe minimum draws are not
>necessarily best (your opponent has less of a chance of making a mistake). A
>more complicated or slower draw may be best. So, regardless of whether Ng1 leads
>to a win for black or a draw for black, Ng1 should not be moved since it lowers
>the chances of your opponent making a mistake (by trying to minimize the number
>of moves of a draw AND by giving your opponent two tempi). Some different
>drawing move that does not lead to a possible win for black or leads to a slower
>or more complicated draw should be made.
>
>KarinsDad :)
>
>PS. I think I got you with my logic this time Dave, but I'm sure you'll think of
>a way to squirm out of it. :)
>
>PSS. I guess you have convinced me that the minimal draw move may not be best
>(with the caveat that it may be best in time pressure).



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.