Map a 0-indexed board row/column to a 1-indexed symbol-vector position

Map a 0-indexed board row/column to a 1-indexed symbol-vector position

Usage

sq_idx(row, col)

Arguments

row

0-indexed board row (0 = top rank shown).

col

0-indexed board column (0 = leftmost file shown).

Value

The 1-indexed position into a row-major 64-symbol vector.