Author: blass uri
Date: 13:18:48 10/04/98
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On October 04, 1998 at 13:58:04, blass uri wrote: > >On October 04, 1998 at 13:37:09, blass uri wrote: > >> >>>I assume you mean "seven bits". But this doesn't tell me anything about how >>>to choose between two moves in the tree, when one is mate in 10 and one is >>>mate in 30. And if I keep choosing mate in 30, I encounter problems, because >>>I can end up drawing by the 50 move rule, since the "distance to conversion" >>>doesn't factor in the moves played *before* this position was reached, only >>>what happens *after* this position was reached... >>> >>>In any case, distance to mate is trivial to use, and never screws up. >> >>theoretically distance to mate may cause problems becuase if one is mate in 70 >>that is practically a draw because of the 50 move rule and the second is mate in >>80 that is not a draw because there is a capture after 40 moves than mate in 80 >>is the right move. > >I understand that the tablebases in the first case may say draw and solve this >problem it does not solve the problem because you may have mate in 70 that is practically not a draw by tablebases because you do only 49 moves before the first capture but is a draw in practical game because you did 2 moves without capture or moving a pawn before the position. For this reason it is better that the tablebases will not say mate in N but say capture or moving a pawn to a winning position in N Uri
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