Author: Les Fernandez
Date: 17:43:38 08/08/01
Go up one level in this thread
On August 08, 2001 at 18:50:32, Marc Bourzutschky wrote: >I'm not completely sure what your confusion is. All the positions reached by a >symmetry transformation have exactly the same mate score. One thing to remember >is that the symmetry operation needs to be applied to all the pieces. So the >position: > >[D] 8/8/8/2K5/kN1B4/8/8/8 w > >gets mapped to: > >[D] 8/8/8/kN1B4/2K5/8/8/8 w > >upon a "vertical" reflection. Since the symmetry operation flips colors, the >bishop flips colors in this case. > >-Marc Just a quick note in the event it was not mentioned in the prior threads. Left to right rotation can only be performed if neither side has castling rights. HTH
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