2023/11/01 DPA: "Eliminating The Guard"

White's Queen has no escape squares; how does Black attack it?

e6 is covered by the f pawn.  But since the Queen is so valuable, it's worth sacrificing a piece [or two] to win it:  1. ... Be6  2. fxe6 fxe6  3. Qxd6 Rxd6  4. Rxd6 and Black has won a Queen for a Rook and a Bishop.

Is there anything better, as this doesn't seem like a very convincing win of material.

1. ... Bd7, planning 2. ... Bc6, fails due to 2. Qxd6:  the Bishop move blocked the Rook from supporting the pawn.

1. ... b6, planning 2. ... Bb7, loses to 2. Nxd6, and now the Queen has an escape by capturing the c pawn.  Also, ... Bc7, attacking the Knight, is not possible because the b pawn blocks the Bishop's path.

I can't find anything better so 1. ... Be6 it is.  Black chose a sub-optimal line in 3. Qd2 vs Qxd6 but the point of the puzzle was to show how to trap the Queen using the Bishop sac tactic to eliminate White's contention of e6 with the f pawn.  It does not mean the puzzle is "wrong":

https://www.chess.com/blog/EnPassantFork/no-the-puzzle-is-not-wrong