French Defense Steiner Variation Beginner Puzzle (Rated 919): Win with a Fork — Crushing Material Gain

This French Defense puzzle shows a classic tactical idea: a knight fork that wins material by attacking two major pieces at once. In the opening, active piece placement matters more than slow pawn grabs, and a well-placed knight can create immediate problems for an uncastled king and loose back-rank pieces. The key is to notice when a forcing check also creates a double attack, especially against the queen and rook.