Author: Frank Phillips
Date: 12:26:01 09/13/03
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On September 13, 2003 at 15:13:47, John Merlino wrote: > > >The problem is that implementation of choosing a move from EGDBs is flawed in >these cases. In general, the engine chooses the move that will lead to the >shortest mate (if playing the winning side) or the longest mate (if playing the >losing side). > >It is possible that either of those choices may be wrong, in that either the >winning side will choose a move that leads to Mate in 61 (for example) that will >be caught by the 50-move rule when choosing the Mate in 63 move will not be >caught by the 50-move rule. The same (opposite) is true for the losing side. > >I think there might be too many possibilities for Black in this case to easily >prove that White has a forced mate that will avoid the 50-move rule. > >jm Yep... I can see that apparently equal losses (or wins) in N may not really be equal because one involves a move that resets the 50 move counter, but the other does not - and therefore leads to a draw. Still it would be nice to see Gazza playing the wrong end of one of these ;-) Frank
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