Scandinavian Defense Mieses Kotroc Variation Puzzle (Rated 905): Win the Queen — Skewer

White is down material but owns the initiative: a bishop rakes the a2-g8 diagonal while the queen eyes the weakened kingside. Black's center pawn is pinned to the king, and exactly one piece can defend it. Removing that pawn forces a recapture that leaves the defending queen exposed to a decisive counter-capture. The pay-off is not a mate but a queen's worth of material — the defender is deflected, the attacker steps through, and Black's extra pieces become irrelevant. This is the middlegame's sharpest weapon: turning a pin into a winning combination.