The more separated are pawns, the more easily the superior side converts advantage into victory. The enemy pieces are then stretched over both flanks and lack good coordination. The following study by A. Pongrach, before 1887, is a case in point. Black was forced to distribute his forces in such a way that the king controls one and the knight the other pawn. If White did not have the rook pawn on the seventh rank, Black’s resistance would be only symbolic…