Author: Robert Hyatt
Date: 18:38:35 12/11/97
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On December 11, 1997 at 19:55:29, Bruce Moreland wrote: > >On December 11, 1997 at 19:04:44, Robert Hyatt wrote: > >>I can remember about 2 years or 2 1/2 years ago that when I logged on to >>ICC the thing was buzzing... Crafty had been playing a GM, and in a >>blitz >>game announced a mate in 10... and it was big news. Now everyone >>ho-hums >>when it announces mate in 30-40-50... Bruce's is now the new >>high-water >>mark, although it probably won't stand for a long time. But when you >>think >>about it, mate in N where N is > 10 is pretty amazing... :) > >I don't think it's a big deal since it's just precomputed data. Sure, >they are powerful, and they are good to have, and they take some time to >build, but mate in 50 out of a database is no big deal, the program just >looks up a number and prints it on the screen. Might as well get >excited about a !! move in someone's opening book. > >Mates found in a search are a little more impressive in my opinion. > >bruce I agree to a point... but I've been impressed with mates in way over 50 from Crafty, when none of the databases I use are anywhere within 10 moves of that... because it is able to search very deeply thru a lot of captures and enter a won ending... IE in a GM game I saw a mate in 45 due to a hit on KBNK, while at the initial position, there were still 12 pieces on the board. So it managed to find a forced sequence of moves that removed 8 pieces... that is still amazing. I agree that just hitting at the root is not so neat...
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