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White to move.

Black's Queen has limited mobility.

1. Bg5 attacks the Queen and is supported by White's Queen. 1. ... Qh3 2. Bf1. : every light square along the c8-h3 diagonal is covered.

Black can try to escape with 1. ... Nxf3. There's no way to get rid of the Knight prior.

2. Rxf3 [2. Bxh4 Nxd2 3. Rxd2 Bxc3, forking the Rooks] Qg4 and White has won a piece for a pawn.

The key was recognizing how few squares the Black Queen had and how White controlled most of them with the pawns doing great work.

The solution chose 1. ... Qh3, which is not optimal. There were other reasonable alternatives involving attacking the White Queen with either Knight moving to c4 but the idea of attempting to trap the Black Queen is still sound regardless of what the opponent does.

Read more:
2024/02/20 DPA: "I'm Sorry, Those Seats Are Taken" - Chess.com