Author: Dann Corbit
Date: 10:16:37 09/17/99
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On September 17, 1999 at 03:06:15, Dave Gomboc wrote: [snip] >I want to represent possible unmoves to allow backpropagation of scores from a >position to all of its previously visited predecessors. I want to avoid the >recomputation of possible unmoves at each node visit, and I would like to >associate other data with each such connecting edge. > >It would be possible for me to invent some notation for my own use easily >enough; I thought there might be a few other people with a desire for a standard >unmove notation. Why not just use ordinary PGN put a minus sign in the front? Pawn captures might be a bit funny, and the opposite of a4 would be -a3, but it seems like it would work.
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