Learn How to Win Material: Discovered Attack
This chess endgame puzzle is a classic discovered attack idea: one piece moves with tempo, uncovering a stronger line of attack from another piece behind it. The key is that the active bishop is not just attacking a target directly — it also acts as a trigger for the rook on the open file. Once the defender is forced to respond, the position collapses into a winning material sequence. In classical chess, these hidden tactical resources often decide simplified positions.