Author: Stefan Meyer-Kahlen
Date: 13:40:52 06/21/99
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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. Stefan
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