Author: scott farrell
Date: 06:31:01 01/13/04
Go up one level in this thread
On January 13, 2004 at 09:24:56, Robert Hyatt wrote: >On January 13, 2004 at 03:48:32, Andreas Guettinger wrote: > >>On January 12, 2004 at 17:47:07, Robert Hyatt wrote: >> >>>On January 12, 2004 at 17:34:52, Uri Blass wrote: >>> >>>>I do not see when it happens in crafty and note that it is not only a question >>>>of speed when it is not clear what is faster and if I understand correctly >>>>crafty may be wrong when a sequence of captures that is finished in trading >>>>kings happens and it may happen in the endgames. >>>> >>>>[D]8/5r2/5k2/3R1p2/5K2/8/8/8 w - - 0 1 >>>> >>>>Rxf5+ is a good capture but based on SEE that let trading kings it can be >>>>pruned. >>>> >>>>Uri >>> >>>No. It is not very frequent and doing the test will burn more time than >>>avoiding the test saves, since the occurrence is so tiny. I simply ignore >>>it totally... >> >>A gave my kings a value of +-Infinity. >>Now, in such a case, wouldn't it stand pat anayway instead of capturing the >>king? Because loosing a rook seems better than loosing a king. >> >>regards >>Andy > > >I do the same, so actually you might be correct, in that losing one king will >stop the captures there in the minimax phase... I think you'll find URI set this up specifically, notice the rook _behind_ the king, ready for an xray attack. if you take my King, I'll take yours with my rook !!! Scott
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