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 55
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. … While. Note.—The kindred Integers always have the movein any given evolution, and always are of the same coloras the Prime Tactical Factor. PLANE TOPOGRAPHY. 33 A Hostile Integer is any adverse piece which is con-tained in a given evolution. HOSTILE INTEGERS. (H: I.) Figure 27. Black.
Chess
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