From one to four Rooks may be present in any given Strategetic Horizon; and whenever present the effect of its co-operation mathematically is outlined, viz.:
At her maximum of efficiency, the Rook occupies the common angle of four quadrilaterals, whose aggregate area always is 14 points. The Offensive Power of the Rook is equally valid against all these points, but his defensive power is valid for the support of only two points.
THE BISHOP.
Regarded as a Chessic Corps d’armee, the Bishop marches and attacks as infantry, cavalry and artillery.
From one to four Bishops may be present in any Strategetic Horizon; and whenever present the effect of its co-operation mathematically is outlined, viz.:
At its maximum of efficiency, the Bishop occupies the common vertex of four unequal triangles, having a maximum of 13 and a minimum of 9 points. His offensive power is valid against all of these points but his defensive power is valid only for the support of two points.
KNIGHT.
Regarded as a Chessic Corps d’armee the Knight marches and attacks as cavalry and artillery.
From one to four Knights may be present in any given Strategetic Horizon; and whenever present the effect of its co-operation mathematically is outlined, viz.: