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William A. Fink,
an American chess programmer and author of the chess program Sfinks, playing the ACM 1982 and the WCCC 1983 [1]. Sfinks was written in Z80-assembly for a TRS-80 microcomputer, later ported to 8086-assembly for the IBM PC. In his '82 Newsletter [2], William Fink describes the implementation of a small refutation table inside his iterative alpha-beta framework - to keep two moves of the variation for each root move, and to search those moves first accordantly during the next iteration.


External Links


  1. ^ Sfinks' ICGA Tournaments
  2. ^ William Fink (1982). An Enhancement to the Iterative, Alpha-Beta, Minimax Search Procedure. ICCA Newsletter, Vol. 5, No. 1

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