🚀 go-pugleaf

In article <9689513@MVB.SAIC.COM> Whitten@Fwva.Saic.Com writes:
>On a slightly different note, one of the neat things about Tic Tac Toe
>is that there there are solutions which are rotationally equivalent.
>ie:
> 
>	X | X | O    is just a rotation of  	X | X | X
>	---------				---------
>	X | O | 				  | O | X
>	---------				---------
>	X |  | O				O |   | O
> 
>Most people I know that discuss Tic Tac Toe (or even chess)
>simply wave their hands and say "recognize that the position is a rotation
>of another board and solve it the same as you solve the rotation."
> 
>This implies to me that there are some "nice" data representations for boards
>like this that has the reflective nature built in, but I have never seen
>anyone actually publish them.
> 
>Does anyone on the 'net want to tell the "tricks of the trade"?
> 

Actually, TTT is one game where brute force seems to work better than
advanced theory.  There just aren't that many possibilities, even
supposing rotations are distinct.  It's not worth the trouble to
rotate a TTT board.

-Joel
(joel@wam.umd.edu)