White to move · A study in move order
Two sacrifices, one overloaded queen
Before asking whether you can afford a sacrifice, ask what it makes the defender leave behind.
One queen, two jobs.
Black’s queen defends both the knight on d4 and the rook on a8. That makes it a target for deflection—but the rook on f8 can take over the back-rank defense if White rushes.
Bxf7+ looks like giving a bishop away. After …Rxf7, though, Black’s rook has left f8. Now Rxd4 draws the queen off d8, and Qxa8+ recovers the rook with check.
Both back-rank defenders have been diverted. White gives up a bishop and a rook for a pawn, a knight and a rook. The sequence improves the material balance by a pawn and leaves White with the better position in this analysis.
The order is the idea.
Try the rook capture first and the same finish fails: after Rxd4 Qxd4 Qxa8, the rook still on f8 can take White’s queen.
And the natural knight move?
Nb5 is playable, but gives Black time for …Rb8, attacking the queen and lining up with the knight behind it. White keeps an edge in the analyzed line, but misses the stronger bishop-check sequence.
Take this into your next game: When a piece defends two targets, look for a way to pull it away. Check whether another defender can take over before you start the combination.