The major tactics of chess: a treatise on evolutions; the proper employment of the forces in strategic, tactical, and logistic planes (1898)
Young, Franklin Knowles, 1857- · Boston, Little, Brown and company · leaf 54
o move. js^OTE. — White having to move, the geometric symbolis positive ; had Black to move, the geometric symbolwould be negative. PLANE TOPOGRAPHY. 31 The Zone of Evolution is composed of those verticals,diagonals, horizontals, and obliques which are compre-hended in the movements of those pieces… … Note. — The letters ABC D E F mark the verticesof nn octagon, which is the principal figure in this evolu-tion, as the Prime Tactical Factor is a Knight. 32 MAJOR TACTICS. A Kindred Integer is any co-operating piece whichis contained in a given evolution. KINDEED INTEGEES.(K. I.) FlGUEE 26. Blach.
Chess
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