6.034 Artificial Intelligence - Recitations, fall 2004 online slides on games
	Static Board Evaluator (Evaluation Function) Because we can't look all the way to the end of the game, look ahead ply moves, evaluate the nodes there using a "static board evaluator". Example for Tic Tac Toe: Number of unblocked lines with Xs minus Number of unblocked lines with Os SAMUEL's Checker Program There is a tradeoff between: Stupid, fast SBE; Massive Search These are Type "A" systems vs. Smart, slow SBE; Very Little Search These are Type "B" systems Humans are type ``B'' systems Computer chess systems have been much more successful using type ``A'' approach They get better by searching more ply