Author: Tom Kerrigan
Date: 10:40:19 06/17/03
Go up one level in this thread
On June 17, 2003 at 13:15:31, Robert Hyatt wrote: >On June 16, 2003 at 23:46:15, Keith Evans wrote: > >>On June 16, 2003 at 23:23:41, Robert Hyatt wrote: >> >>>On June 16, 2003 at 02:50:49, Ricardo Gibert wrote: >>> >>>>On June 14, 2003 at 18:00:30, Robert Hyatt wrote: >>>> >>>>>On June 13, 2003 at 12:03:58, Michael Vox wrote: >>>>> >>>>>>http://www.clubkasparov.ru/521772350.html?462691585533321 >>>>>> >>>>>>One could argue chess endgame tablebases play the endgame like god, but not this >>>>>>article.... >>>>>> >>>>>>Enjoy :) >>>>> >>>>> >>>>>The author is an idiot. >>>>> >>>>>a 5 piece endgame _counts_ the two kings. He is not counting them. >>>>> >>>>>He really thinks he is probing what we would call a 7 piece ending, which >>>>>is _years_ away from reality. >>>> >>>> >>>>At no point in the article does he ever do as you allege. He always counts the >>>>pieces correctly. >>>> >>>>We all make mistakes, but I don't think we should therefore brand all of >>>>ourselves "idiots". Do you? He is a GM after all, so don't you think you calling >>>>him an "idiot" a little extreme? >>> >>> >>>Perhaps "computer chess idiot" would have been better? >>> >>>His entire article is based on incorrect information. >>> >>>A 5 piece position is _always_ played perfectly by a program. But when there >>>are more than 5 pieces on the board, perfection goes away even when probing >>>5 piece tables after captures. >>> >>>In his text, I get the impression he is saying position two should be played >>>perfectly. Yet it has _seven_ pieces on the board. Tables work miracles, >>>but they don't make the impossible possible, yet... >> >>Nevertheless for position 1, after 1.Bd1 Kg8 2.h7+ Kxh7 3.h6 Kg8 4.h7+ Kxh7 5.h5 >>Kg8 6.h6 Kh8 7.h7 Kxh7 there are only _five_ chessmen on the board. So if he has >>tablebases enabled, then what _should_ the engines return? I don't have 5-men >>tablebases available, so I don't know. Is his analysis incorrect, or is he >>pointing out a bug or setup problem with Junior and Fritz? > >The problem is this: If the position _starts_ off with 5 pieces, it will >play _perfectly_. If it starts off with more, it might not. IE it might I don't know why this conversation is still going on. Bob, you're being an idiot. The position in the diagram has 8 pieces, right? Then there's the comment: "It's funny that even if we sweep away three white pawns, both engines evaluate White's position as winning." Bob, can you please tell the audience what 8 - 3 is? -Tom
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