Author: Will Singleton
Date: 17:42:43 12/11/01
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On December 11, 2001 at 17:16:22, David Hanley wrote: >On December 11, 2001 at 10:59:55, Will Singleton wrote: > >>[D]4k2r/1nrqbppp/p3b3/1pppP1NQ/8/1NP1B2P/PP3PP1/R4RK1 w k - 0 1 >> > >I think a good human solver will at least look at nxh7. It's not as obviously >lost as you might think from the program. For example, after nxh7 Nf6+ picking >up the rook must be considered. kd8 bg5. > >With small modifications, nxh7 could be OK, so i don't think you can exclude it >from the root so easily. > >dave I agree. But the position does demonstrate the concept of root analysis vs. search, since Nxh7 is ultimately bad. And note that a root solution (assessing a penalty at the root) doesn't necessarily exclude the move, but rather forces the search to justify it. Will
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