Author: Helmut Conrady
Date: 04:05:05 07/11/03
Go up one level in this thread
On July 11, 2003 at 01:08:58, Hans van der Zijden wrote: >On July 10, 2003 at 23:06:47, Uri Blass wrote: > >>On July 10, 2003 at 22:59:46, Helmut Conrady wrote: >> >>>On July 10, 2003 at 22:24:23, steven blincoe wrote: >>> >>>> >>>>WHITE:KF8,PG6,RH1 >>>>BLACK:Kh8,Bg8,PG7,PH7 >>>> >>>>white to move and Mate in 2 >>>> >>>>why is this problem famous? >>> >>>1st try: Because you posted it here? :) >>> >>>2nd try: It was the first problem ever to solved by a computer (around 1953 >>>IIRC). Solution time must have been a couple of minutes. >>> >>>Helmut >> >>I believe that a lot of programs can fail there because of null move problem. >>I do not think that your second guess is correct because mate in 1 problem >>probably was solved earlier by a computer. >> >>Uri > >[D]5Kbk/6pp/6P1/8/8/8/8/7R w - - > >It is a mate in two. 1.Rh6 B(any square) 2.Rxh7 ++ > ... gxh6 2.g7 ++ > >IIRC it took the computer 15 minutes. > You remembered correctly. The problem was solved by the first problem solving program in history in 1951 (created by D.G. Prinz University of Manchester). It took the machine 15 minutes. To Uri: This seems to be the first published problem, which was solved by a machine. Helmut
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.