Author: Dave Gomboc
Date: 13:50:56 06/21/99
Go up one level in this thread
On June 21, 1999 at 16:40:52, Stefan Meyer-Kahlen wrote: >On June 20, 1999 at 12:52:07, Robert Hyatt wrote: > >>On June 20, 1999 at 11:52:01, James T. Walker wrote: >> >>>On June 19, 1999 at 21:07:56, Robert Hyatt wrote: >>> >>>>On June 19, 1999 at 14:33:47, Ernst Walet wrote: >>>> >>>>>If I didn't know better I would say that Ferret has cracked under the pressure >>>>>after move 55! Maybe later Bruce can explain what is going on right now or has >>>>>someone else any idea?. >>>>> >>>>>Ernst-J. >>>> >>>> >>>>Here's what I saw: >>>> >>>>by move 25 or so white was not just lost, but dead lost. I was talking with >>>>Roman at the time and he said something like "I have _never_ seen white get >>>>into such a dead lost position so quickly..." But then Ferret did what many >>>>computer programs do when they start an attack... they go for the first pawn >>>>they can see, rather than keeping the pressure up. I suspect that a good GM >>>>would have taken black and ended the game within 25 more moves. But as ferret >>>>went for that pawn it dissipated the attack it had going and turned the >>>>initiative over to shredder. Shredder slowly caught up and at one point we >>>>all had it as over +1.5 or so... but then Ferret began to free up its pieces >>>>and almost pulled even again... then it let the e-pawn advance too far and >>>>sacked the exchange to win it... and then Shredder began to make progress >>>>again. But at the end, Shredder apparently overlooked the draw that most >>>>programs saw nearly instantly... and the game ended a draw... a neat see-saw >>>>game if there ever was one... both sides had multiple winning chances... >>> >>>In the "Shredder apparently overlooked the draw that most programs saw nearly >>>instantly... " scenario isn't it possible that Shredder had it's contempt factor >>>set to accept a draw sooner than normal since it still wins the Championship? >>>Jim Walker >> >>I suspect not because there were other places where it could have simply >>repeated had it wanted to... but your explanation is definitely possible... >>although it would have been mighty high to be over a pawn ahead and go for >>the draw... > >My contempt factor was 0 because I have never tested it in a real game. >This almost backfired as Shredder was trying to avoid a repetition in this game >when Ferret would have happily taken it. Uh... yikes. :-) >Stefan Dave
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.