Author: Dave Gomboc
Date: 00:06:15 09/17/99
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On September 16, 1999 at 18:38:10, Bruce Moreland wrote: >On September 16, 1999 at 02:52:59, Dave Gomboc wrote: > >>We have SAN for chess games, but SAN moves aren't reversible, i.e. if you took >>some position, and knew the SAN move that got you to it, you still couldn't >>reconstruct the original position (the major, if not only, example is if the SAN >>move was a capture, you generally don't know what was captured.) >> >>Any suggestions? > >What problem are you really trying to solve? > >bruce 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. Dave
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