No. 3.

BLACK.
2
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
| | | | | | | | | 3
+---+---+---+---+---+---+---+---+
| | | | | | | | |
+---+---+---+---+---+---+---+---+
| | | | | | | | |
+---+---+---+---+---+---+---+---+
8 | | | | | Q*| | | | 4
+---+---+---+---+---+---+---+---+
| | | | | | | | |
+---+---+---+---+---+---+---+---+
| | | | | | | | |
+---+---+---+---+---+---+---+---+
| | | | | | | | | 5
+---+---+---+---+---+---+---+---+
7 6
WHITE.

She has the advantage of moving as a Rook, in straight lines, forwards,
backwards, and sideways, to the extent of the board in all directions,
and as a Bishop, diagonally, with the same range. To comprehend her
scope of action, place her alone in the centre of the board; it will
then be seen that she has the command of no less than twenty-seven
squares, besides the one she stands on. (Diagram No. 3.)