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 34
White. PRINCIPLE. Given one or more adverse pieces situated on thesides of a Kings rectangle, then the King may make again in adverse material. GEOMETRIC SYMBOLS. 11 A Suh-G-eometric Symbol is that mathematical figurewhich ill a given situation appertains to the PrimeTactical Factor, and whose… … White. Note.—That point which is the centre of the geo-metric symbol of a piece always is the centre of itssub-geometric symbol. 12 MAJOR TACTICS. SUB-GEOMETRIC SYMBOL OF THE PAWN. ElGURE 8. (6.) Blach.
Chess
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