Author: chandler yergin
Date: 14:16:41 12/02/05
Go up one level in this thread
On December 02, 2005 at 17:07:33, James T. Walker wrote: >On December 02, 2005 at 16:49:33, F. Huber wrote: > >>On December 02, 2005 at 16:12:40, chandler yergin wrote: >> >>>On December 02, 2005 at 16:06:30, Paul Jacobean Sacral wrote: >>> >>>>On December 02, 2005 at 15:58:17, chandler yergin wrote: >>>> >>>>>On December 02, 2005 at 15:49:11, Paul Jacobean Sacral wrote: >>>> >>>>>>Call it bug, mistake, error or whatever you like: If the shortest possible mate >>>>>>in a position is #14 and an engine displays #11, there is something wrong. >>>>>Nope! >>>>>The engine sees a line it calls it! That is what it's supposed to do! >>>>>"Engines evaluate all moves 1/2 move i.e. 1 Ply at a time." >>>>>Nothing more.. nothing less. >>>>>The deeper the search the better the evaluation. >>>>>On deeper search it found there was only a Mate in 14. >>>> >>>>From YOUR OWN posting: >>>> >>>>1.Qd3+ f5 2.Qxg3+ >>>> +- (#14) Depth: 16/16 00:00:01 247kN >>>>1.Qd3+ f5 2.Qxg3+ Kf6 3.Qd6+ Kg5 4.Rh5+ Kxh5 5.Qxd2 >>>> +- (#11) Depth: 17/18 00:00:02 596kN >>>> >>>>Depth 16: #14 -> correct >>>>Depth 17: #11 -> wrong >>>> >>>>Would you please accept that we have a problem here :-)) >>>NO! >>> >>>"Engines evaluate all moves 1/2 move i.e. 1 Ply at a time." >>>Nothing more.. nothing less. >>>The deeper the search the better the evaluation. >>>On deeper search it found there was only a Mate in 14. >>>You don't understand this? >>>Agree or not? >>>Thanks, >>>Chan >> >>Are you a parrot? > >LOL. I think a parrot has more sense. At least when you teach it something it >does eventually learn it if even only to repeat it over and over. >I suspect Chandler corrupted the hash tables somehow when making/taking back >moves in analysis mode or something like that. My Shredder 8 workd fine and >NEVER announces mate in 11. Unfortunately there are some commercial engines >with the type of problem that has caused this stir. Notably ProDeo 1.1 will >announce Mate in 12 with this position and later announce Mate in 14. Again I >suspect some problem with hash tables. How many times do I have to paste this? "Engines evaluate all moves 1/2 move i.e. 1 Ply at a time." Nothing more.. nothing less. The deeper the search the better the evaluation. On deeper search it found there was only a Mate in 14. You don't understand this? Agree or not?
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