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Subject: Re: Longest Checkmate in Chess from DTM Endgames?

Author: Ed Trice

Date: 11:57:39 02/04/04

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>>White has a mate in 262.
>>
>>[D]1N6/1RK5/5n2/8/8/8/5n2/6k1 w - - 0 1
>
>This means that the position is drawn by the 50 move rule.
>The more interesting question is what is the longest possible forced mate in
>chess.
>
>If the opponent can stop the mate in the middle and claim a draw by the 50 move
>rule then there is no forced mate in chess(there is forced mate in similiar game
>that does not include the 50 move rule but I am more interested in chess).
>
>Uri

Recall that FIDE changed the 50-move rule to 100 at one point, then back to 75
(I think) then back to 50. The idea was that if you are in a provable winning
position, you should not be forced to abandon it as drawn.

I think positions that are very long wins without the Drawn-in-N-Moves rule are
still very interesting.

There is no way to keep FIDE from changing the rule again, for example.



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