Author: Ed Schröder
Date: 12:37:23 03/04/00
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On March 04, 2000 at 15:04:35, Djordje Vidanovic wrote: >On March 04, 2000 at 13:52:43, Ed Schröder wrote: > >>On March 04, 2000 at 12:56:41, Djordje Vidanovic wrote: >> >>>Take a look at this position. Arose from a game a friend played against Chess >>>Genius 5.0 on his AMD K6/200 (only 4MB hash): >>> >>>[D]k7/1b6/8/8/2Q5/8/6p1/6K1 w - - >>> >>> >>>Genius was set at 5 seconds per move and could not find the win (marching his >>>King towards the enemy....). Please try your programs at faster time controls >>>and let me know how they do. >>> >>>How exasperatingly dumb programs can be at times! BTW, I had to time to test >>>only Shredder 3 and it found the winning sequence easily. >>> >>> >>>*** Djordje >> >>Not having tried this position on my own baby consider this: why add >>extra chess knowledge if these kind of things can so easily seen by >>search. No need to do things twice as the extra knowledge is only >>lowering the NPS of a program. I am not saying this is true for this >>position only that programmers often let do search the work instead >>of adding extra chess knowledge that is not needed anymore now that >>PC's are are so fast and becoming faster and faster and faster..... >> >>As you see in some cases you can even make your program stronger by >>removing chess knowledge. These cases are exceptional but they do >>exist. >> >>Ed > >Ed, your baby does VERY well on this position (Rebel 10). Actually it is even >slightly faster than Shredder 3 :) However, I don't think that I agree with you >regarding knowledge in some typical situations (one of which I just presented). >In this particular situation some of the fast searchers (Fritz, Deep Junior on >my dual board, even Hiarcs 7.1, Crafty SMP, etc. NOTA BENE: no tablebases this >time!) are having trouble finding the win. Instead of watching the g1 promoting >square with their Queen and marching the King into mating Black, these fast >finders check Black ad nauseam. Irritating. > >*** Djordje I see. I took the wrong position to make my point. Ed
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