Which of the following best describes the way in which human experts play chess?
A. selecting one piece at a time and only considering moves involving that one piece
B. evaluating 6-12 moves, stopping with the first one to meet several basic criteria
C. moving randomly, with a slight preference for better moves
D. memorizing all possible games and repeating moves from rote memory
E. looking forward to the end of the game tree, and then reasoning backward