You have to be careful there, you can only make that assertion if you can prove ...

		benjoffe on Aug 5, 2011 \| parent \| context \| favorite \| on: Show HN: My weekend project - Chessboard picture r... You have to be careful there, you can only make that assertion if you can prove that no pawn has been promoted to a bishop (eg if all 8 pawns are still on the board, or 7 pawns and 2 queens etc).