Author: José Antônio Fabiano Mendes
Date: 13:58:07 03/09/00
[....]Three Studies Eleven studies had long since been prepared for testing the program---several years earlier I had written in an introduction to a collection of studies by G.Nadareishvili that it was with studies that one should begin experiments. My reasoning was simple---in studies there is forcing tactical play,positionnal evaluation is not needed,and since positional "understanding" was to be the last thing to be put into the program, one should therefore begin with studies... We began with a famous study by Réti. [D]7K/8/k1P5/7p/8/8/8/8 w - - White to play and draw What could be simpler,and at the same time cleverer than this composition?[....] And so,during December 1976 to January 1977,"Pioneer" solved Réti´s study.We thought that it would all be very simple,but it proved to be highly complicated.Without any positional evaluation,and without the attachment of the endgame library, the tree "disintegrated".The computer had little other work, but hours went by,and still no result.It became clear that "Pioneer" needed help! We took the rule of the square,programmed it in three modifications, put it into the library,and at each node of the tree "Pioneer" received from the library the necessary information.The effect was staggering:the study was solved within 70 minutes,and in the search tree there were only 54 moves.This small "human" tree was first obtained on 28th January 1977---without doubt a significant date in cybernetics.[...] Source:"Selected Games 1967-1970",M.M.Botvinnik,Pergamon Press,1981, pages 299 and 300 So it seems that,contrary to widespread belief,Botvinnik thought his computer-chess work to be very important. JAFM
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