Tarrasch Defense Prague Variation Puzzle (Rated 1482): Win Material — Crushing Middlegame Tactic

This puzzle is a classic middlegame tactical refutation where active pieces and loose coordination decide the game. Black’s queen and rook work together against White’s unprotected queenside, creating a forcing sequence that wins material. The key idea is to notice when a pinned piece cannot be defended normally, especially when a capture on a key square opens the way for a second tactical strike. In practical classical chess, these patterns often appear after one side overextends or leaves a piece hanging.