Y!

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a chess program written by primary author Ulf Rathsman, supported by Lars Hjörth and book author Sandro Necchi. It was written in 6502 assembly and played tournaments on the TurboKit TK20 by //Schaetzle+Bsteh//. Y! competed the WMCCC 1988 as Y!88 and the WMCCC 1989 and WCCC 1989 as Y!89 (Why Not 89).
 * Y!** (Why Not),

=Photos=
 * [[image:WMCCC88YNot.jpg width="640"]] ||
 * Ulf Rathsman and Sandro Necchi of Y!88 at the WMCCC 1988 in [|Almería] ||

=Description= based on the WCCC 1989 booklet :

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=External Links=
 * [|Y!'s ICGA Tournaments]
 * [|Why Not 89's ICGA Tournaments]
 * [|Conchess] – [|Schachcomputer.info Wiki] (German)

=References= =What links here?= include page="Y!" component="backlinks" limit="40"
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