William+Toikka

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an American electrical engineer, computer scientist, chess player and former chess programmer, associated with [|Applied Data Research] in [|Princeton, NJ]. As member of the [|engineering] [|honor society] [|Tau Beta Pi], he graduated from [|Lehigh University] in 1962. Along with Fred Swartz, Victor Berman, Joe Winograd, Mike Alexander and Ira Ruben, William Toikka was co-author of the chess program CHAOS, whose development started at [|RCA] Systems Programming division in [|Cinnaminson, NJ]. CHAOS was one of the strongest programs of the 70s and early 80s, using an unique, knowledge based and selective best-first, iterative widening approach, keeping the search tree in memory.
 * William E. (Bill) Toikka**,

=Photos=

CHAOS Team
From left, Fred Swartz (rear), Vic Berman (front), Bill Toikka, Ira Ruben (seated), Joe Winograd ||
 * [[image:CHAOS Team circa 1972.gif width="640"]] ||
 * = CHAOS Team circa 1972 with UNIVAC 1108 Computer in [|Cinnaminson, NJ]

ACM 1979

 * [[image:Chaos_vs_Duchess.ACM_1979.jpg link="http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbe2be7f" width="640"]] ||
 * CHAOS vs. Duchess at the ACM 1979 David Cahlander, William Toikka, Fred Swartz and Tom Truscott ||

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