Author: Drexel,Michael
Date: 15:07:12 05/16/03
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On May 16, 2003 at 18:01:08, John Merlino wrote: >On May 16, 2003 at 17:47:27, Drexel,Michael wrote: > >>On May 16, 2003 at 17:06:27, John Merlino wrote: >> >>>On May 16, 2003 at 16:54:26, Art Basham wrote: >>> >>>>Here white plays >>>>1. Rh8+...and mates in 14 moves...(at the most)... >>>> >>>>[D]r2q1rk1/pp2pp2/3pb3/3Qb2R/4P1p1/1BN1Bn2/PPP2P2/2K4R w - - >>>> >>>>After....BxR, >>>> >>>>2. Qxe6...!! >>> >>>Because every move is either a check or a capture, it's a no-brainer for >>>Chessmaster 9000, announcing mate in 14 in one second: >> >>This should be a challenge for your Chessmaster 9000. >>_Every_ move is a check. >> >>[D] 3nn3/2p2p2/6p1/n1PB3n/3BK3/1P4P1/3NNPnk/3nn2b w - - 0 1 >> >>Fritz 8 and Delfi 4.1 solved it instantly (0 s) >> >>Michael > >How long is the mate and what is the solution? CM9000 has not spotted the mate >on my computer in two minutes, but this could be because the mate is too long. >The King has a maximum search depth of 46 plies, so if the mate is longer than >23 moves, then The King will not find it. > >jm Its not a mate. Its a forced draw. This is interesting (at least for me). Chessmaster can not find the draw but will find a mate in a similar position very quickly. Michael Michael
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