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 141
the pawn is at its sixth square)en -prise to the pawn after the latters first move. 118 MAJOR TACTICS. PROPOSITION IX. —Theorem, Given a Square of Progression Positive (S. P. P.)opposed to a Bishops triangle, then, if the given squareof progression is the smallest or the smallest but one,and if the… … ]V?ii/e. White to move and queen a pawn. BASIC PROPOSITIONS. 119 PROPOSITION X. —Theorem. Given a Square of Progression Positive (S. P. P.)opposed to a Rooks quadrilateral or to a Queens poly-gon, then, if the square of progression is the smallestpossible, and if the hostile integer does not…
Chess
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