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 125
100 MAJOR TACTICS. FIGURE 87. w Black. … White. White to move and win a piece. NOTE. — The Point of Command and the points mate- rial are all contained in the same sides of the Rook's quadrilateral.
Chess
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