Kings Indian Attack Sicilian Variation Puzzle (Rated 972): Win Material — Tactical Refutation

This middlegame puzzle is about a tactical refutation where one loose piece creates a chain reaction. White’s queen is active but vulnerable, and Black can exploit the alignment of pieces to win material with a forcing sequence. The key idea is that a seemingly strong attacking piece can become overextended when it is undefended and tied to other tactical targets. In practical classical chess, these moments often decide the game immediately.