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Rules of Chess FAQ. Frequently asked chess questions.[All Comments] [Add Comment or Rating]

George Duke wrote on Sun, Apr 4, 2004 08:24 PM UTC:

Orthodox (Mad Queen) design analysis:
# squares: 64
# piece types: 6
Initial piece density: 50%
Piece values: P1, N3, B3, R5, Q9
Power density: 1.22
Exchange Gradient: 0.50
Ave. Game Length: #M = (3.5*6)/(1.22*0.5) = 34 moves