6/3/03 10:44:18 PM, Peter Drake <drake@xxxxxxxxxxxxxxxxx> wrote: >Is the following statement true? > >If a stone played at a point is the first stone to ever occupy that >point, no subsequent full-board position can be identical to a >preceding position. No. The 1st move on the board is "the first stone to ever occupy that point" Maybe this is not what you meant. Kind Regards Graham Lamont