Petrov's Defense Puzzle (Rated 1270): Win Material — Defensive Move
This middlegame puzzle is about turning defense into a forcing tactical sequence. Black’s active pieces create pressure against White’s king-side structure and a vulnerable central piece, so the key idea is to use a tactical sacrifice to open lines and win material. The position rewards accurate calculation over slow maneuvering: once the first forcing move lands, White’s best reply still leaves Black with a clear follow-up that converts the attack into a favorable material balance.