Young, Franklin Knowles, 1857- [from old catalog] · Boston, Little, Brown, and company · leaf 155
White. 124 CHESS STRATEGETICS. A strategic liorizon 1-i is expressed bj the geometricsymbol of the Q, the centre being the strategic key andthe extremities being either tactical keys or points ofcommand in evolutions appertaining to the Q. Thishorizon is designated by the letter P, and can… … White. STRATEGIC HORIZONS. 125 A strategic horizon 15 is expressed by the geometricsymbol of the King, the centre being the strategic keyand the extremities being either tactical keys or pointsof command in evolutions appertaining to the Q or K.This horizon is designated by the letter R^ and…
Chess
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