(II.)
| -S |
| +S |
In the first case (I), White has the advantage and Black has the disadvantage. In the second case (II), this condition is reversed.
COLUMN OF MANOEUVRE
Columns of Manoeuvre are not compared with each other. The advantage of one over another is determined by comparing their respective powers of resistance to the attack of the corresponding adverse Columns of Support.
That Column of Manoeuvre which longest can debar the adverse promotable Factors from occupying a point of junction on the kindred Strategetic Rear, has the advantage.
The relative advantage and disadvantage of the column of Manoeuvre is expressed by the third term of the Strategic Syllogism, viz.:
(I.)
| +M |
| -M |
or