Author: francois scheurer
Date: 18:10:07 11/04/98
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>>>>I have problems with "nearly mate" positions, where the opponent can do some >>>>checks, so the mate gets beyond the horizon.>>>> >>>>One Example (really interesting!)>>>>>>>>>>>>Position (LCTII CMB 01) >>>> xrxxxxkx>>>> xqxxbpxx>>>> xxxpxxpx>>>> xxpPxxxx>>>> PxNxxxxR >>>> xxPxxQPx>>>> xPxxxPKx>>>> xxxxxxxx>>>> >>>>Best: c4d6/e7d6/f3f6 white wins>>>> >>>>In depth 7 , my program should find the solution, but it does not! The problem >>>>is, that black can make checks to bring the mate beyond the horizon. At each >>>>check, I extend the search for 1 ply, but it is not enough.>>>> >>>>The computer thinks: >>>>C4d6/e7d6/f3f6/b7d5+/g2h2/d6g3+!!/h2g3/d5d3+/g3h2/g8f8/ no h4h8 and black >>>>"stands good">>>>7 plys plus 3 plys the checks end up at 10!! Are you sure that your prog should find the mate? What about: C4d6/e7d6/f3f6/b7d5+/g2h2/d6g3+!!/h2g3/d5g5 ?? The black are not good (..) but this is not mate in 10 ! Francois S.
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