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=The Need for Search=
In ''King and Rook Against King: Historical Background and a Problem on the Infinite Board'' at the first [[Advances in Computer Chess 1|Advances in Computer Chess]] conference <ref>[[Donald Michie]] ('''1977'''). ''King and Rook Against King: Historical Background and a Problem on the Infinite Board''. [[Advances in Computer Chess 1]]</ref> , Donald Michie shows two positions, that are identical except one pawn, to demonstrate the need for [[Search|search]] <ref>[[Michael Gherrity]] ('''1993'''). ''A Game Learning Machine''. Ph.D. Thesis, [http://de.wikipedia.org/wiki/University_of_California,_San_Diego University of California, San Diego], available as [http://www.gherrity.org/thesis.ps.gz zipped postscript], page 13, 14</ref> .
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