Author: Bruce Moreland
Date: 09:34:22 02/16/99
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On February 16, 1999 at 12:32:16, Bruce Moreland wrote: > >On February 16, 1999 at 10:22:50, Steve Maughan wrote: > >>The position quoted is a famous one - it can be solved with the simple heuristic >>of extending all move that give check with only one reply and extend all >>position that only have one move. The reason the top programs do not get it is >>that they have cut off the search at some high value to limit the tree in normal >>position. This is certainly not a normal position! > >This is completely true. If I de-constrain my single-response extension, my >program scores this as mate in 0.090 seconds. > >It would not normally return a mate score, although it would typically find the >move that leads to mate. > >bruce Actually I am wrong, the unmodified version would normally find this in about 32 seconds (P6/200). bruce
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