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 92
White. LOGISTIC PLANES. 69 Tlie Square of Progression is that part of the logisticPlane of which the pawns vertical is one side and whosearea is the square of the pawns altitude. A SQUAEE OF PEOGEESSION.(S. P.) PiGUEE 59. Black. … 70 MAJOR TACTICS. The Corresponding KnigJifs Octagon is that Knightoctagon whose centre is the queening point of the pawn,and whose radius consists of a number of Knights movesequal to the number of moves to be made by the pawnin reaching its queening point. THE COREESPONDING KNIGHTS OCTAGON.(C. K.…
Chess
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