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 73
White. Note. — The Point of Co-operation in this evolutionis the white square K R 8. 50 MAJOR TACTICS. The Point of Command is the centre of that geomet-ric sjanbol which appertains to the Prime TacticalFactor, and which, when occupied by the latter, wins anadverse piece, or checkmates the adverse… … Note. — The Point of Command in this evolution isthe white square K B 7. PLANE TOPOGRAPHY. 51 The Point Commanded is that point at which thePiece Exposed is situated when the Prime TacticalFactor occupies the Point of Command. THE POINT COMMANDED. (C. P.) PiGCRE 45.(«.) Black.
Chess
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