(notation) Describing squares by file (referred to in intrinsic order rather than by the piece starting on that file) and rank, both with reference to a fixed point rather than a player-dependent perspective.
“The term merely serves as an algebraical symbol for comparing the values of products with one another.”
“Sumner was informed that a learned mathematician had discovered an algebraical demonstration of the existence of God and would present it before the audience.”
“I entered, and found Captain Nemo deep in algebraical calculations of x and other quantities.”
