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 80
the vertices of that geometric symbol which appertainsto the Prime Tactical Factor, then, if the value of each ofthe Points Material exceeds the value of the Prime Tacti-cal Factor ; or, if neither of the Pieces Exposed can sup-port the other in one move, — the Prime Tactical Factor,having the… … White. Note. — The decisive point is the centre of the geo-metric symbol which appertains to the Prime TacticalFactor. 58 MAJOR TACTICS. A Complex Tactical Plane consists of the combinationof any two or more kindred geometric symbols with oneor more Points Material. PEINCTPLE. I. No evolution in a…
Chess
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