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 157
White. A Knight posted at R 4, R 5, K 1, K 8, Q 1, or Q 8,and having the move, is lost if all the points on itsperiphery are contained in the sides of an adverseBishops triangle. 134 MAJOR TACTICS. EVOLUTION No. 11. Figure 115. Rook vs. Pawn. Black. … White. Whenever a pawn altitude intersects a Rooks quad-rilateral, then, if the pawn has not crossed the point ofintersection, the adverse Rook wins the given pawn. Note Obviously, whenever a pawn altitude is coin-cident with one side of a Rooks quadrilateral, all thepoints are points of…
Chess
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