Author: Reinhard Scharnagl
Date: 04:13:12 11/06/05
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On November 06, 2005 at 06:59:27, Tord Romstad wrote: >On November 06, 2005 at 06:57:10, Tord Romstad wrote: > >>On November 06, 2005 at 06:16:25, Reinhard Scharnagl wrote: >> >>>If there would be a need to, you simply could check, whether there are castling >>>rights without having involved King and Rook at traditional places or not. >> >>This works in some positions, but not in all. An example is the following >>position: > >Sorry, I made a typo. This forum badly needs a "preview" feature. > >>[D]4k2r/5ppp/5n2/8/1p6/1P6/1P3PPP/B3K2R w Kk - 0 1 > >Tord May be I have not explained clearly enough. There is NO guarantee that you will get such a position with a correct flag, because you are able to create such a position within a traditional chess GUI. Thus it will be no solution to provide any extra flag. ONLY THE POSITION ITSELF could be used as a source to make such a decision, for what ever it should be used (I do overmore not see such a need, because a serious evaluation routine simply depends on the placements of all pieces and the moves being possible from then on). Reinhard.
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