Barnes Defense Puzzle (Rated 1094): Win Material — Tactical Refutation

This middlegame puzzle is about turning active piece placement into a decisive material gain. White’s queen and knight are aggressively posted near the black king, but the position also contains a tactical flaw: a loose back-rank style target and an exposed piece that can be won by force. In classical chess, these positions often hinge on whether the defender can keep the king safe while also protecting key material. Here, the winning idea comes from recognizing the hidden tactical refutation before the attack can continue.