Qxd4 Puzzle (Rated 1446): Fork — Win the Queen
This middlegame puzzle demonstrates how a tactical fork can completely overturn the material balance. Black’s queen has invaded aggressively, creating threats against the king and queen, but its position also leaves it vulnerable. The key strategic idea is to calculate forcing captures before accepting a material deficit. By identifying the overloaded queen and the exposed king, White finds a tactical refutation that restores equality and activates the remaining pieces.