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 33
n may make a gain in adverse material. 10 MAJOR TACTICS. That geometric symbol which is the prime factor inall evolutions which contemplate the action of the King,is shown in Fig. 6. This figure is a rectangle of either four, six, ornine squares. In the first case the King always issituated at one… … 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…
Chess
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