On Jun 20, 2005, at 5:22 PM, Jim Van Fleet wrote:

> It would seem that the space of "all possible moves by all possible  
> pieces" could be reduced greatly be examining whether or not a  
> given "checked" piece could possibly move to a space that blocks an  
> attack on the king by an attacking piece.

I completely agree.  It's just trickier and checking all the moves is  
plenty fast enough, for a two player game, so I didn't bother.

James Edward Gray II