French Defense Steiner Variation Collinear in Chess

In the French Defense Steiner Variation, the “collinear” motif appears when key pieces (often a queen and a rook, or a bishop and a queen) line up on the same file, rank, or diagonal after the typical pawn-structure trades. The defining feature is that this alignment creates a tactical or strategic pressure point: one piece blocks or supports another along the line, making pins, discovered attacks, or skewers possible.