Defensive Move Advanced Puzzle (Rated 2023): Defend — Pin Tactic

A strong defensive move can solve several problems at once. In this middlegame, Black faces pressure from an advanced passed pawn, active bishops, and threats against the king. The key idea is to improve rook coordination while uncovering a tactical attack on the advanced pawn. This defensive resource also exploits overloaded defenders and pinned pieces, turning White’s attacking momentum into a chance for simplification and material stability.