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 28
ciple always assumesa form similar to a geometric theorem and is susceptibleof exact demonstration. That geometric symbol which is the prime factor inall evolutions which contemplates the action of a Pawnis shown in Fig. 1. This figure is an inverted equilateral triangle, whosebase always is… … PRINCIPLE. Given a Pawns triangle, the vertices of which areoccupied by one or more adverse pieces, then the pawnmay make a gain in adverse material. 6 MAJOR TACTICS. That geometric symbol which is the prime factor inall evolutions that contemplate the action of a Knight isshown in Fig. 2. This…
Chess
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