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 59
White. Note, — The Supporting Factor always is situatedupon one of the sides of the zone of evolution. 36 MAJOR TACTICS. An Auxiliary Factor is that kindred piece whichindirectly co-operates with the Prime Tactical Factor byneutralizing the interference of hostile pieces not con-tained in the… … White. Note. — The xiuxiliary Factor may be situated atany point and either within or outside of the zone ofevolution. PLANE TOPOGRAPHY. 37 The PieceExposed is that adverse integer of chessforce whose capture in a given evolution may bemathematically demonstrated. THE PIECE EXPOSED.(P. E.) ElGUEE…
Chess
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