Author: Uri Blass
Date: 00:23:32 10/17/02
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On October 17, 2002 at 01:58:54, martin fierz wrote: >On October 17, 2002 at 01:14:14, Ingo Althofer wrote: > >>However, here comes a new argument why Kramnik would have >>had almost 100 percent practical drawing chances in Bahrain: >> >>It seems that Fritz and also many other chess programs do >>not understand the character of the position. >[snip] > >i'm sure you are right about this. in addition to the lines you give, you could >also say that probably all programs would be very happy to let white attack the >b-pawn with both rooks, defend it with the knight, and after RxP NxR RxN think >they are winning in the resulting drawn RPP-QP ending. however, i think that >your criticism of the rule 8.4.3. is wrong: > >>8.4 Draw Offers >> 1... >> 2... >> 3.If Mr. Kramnik feels that the position is clearly drawn, >> he may notify the Arbiter and the Operator that he is >> making a claim of "technical draw". The Arbiter will stop >> the clock. Mr. Kramnik will then explain his reasoning, >> and theOpertor is obliged to accept the draw unless Fritz >> can demonstrate that in the previous ten moves, progress >> has been made. > >for example, the RPP-QP ending is a clear draw, and kramnik must be allowed to >claim it. fritz will not understand it is a draw (not until 7-man-tablebases >anyway...), and perhaps it's operator will not understand it either. for such >cases, this kind of rule is necessary. i'm not sure how "progress" is measured >in this context, is it e.g. a change of the evaluation or could it also be >pushing a pawn a square further - even though the evaluation stayed the same? > >aloha > martin I think that the rule is stupid It is possible that a program has a winning advantage but needs to sacrifice to win and it is going to do no progress in 40 moves and only later do progress because it does not want a draw by the 50 move rule. It is more logical to decide that kramnik may claim a theoretical draw but if analysis proves that it is not a draw then kramnik is going to get a loss and not a draw. Uri
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