Why does white give up queen on chess.com puzzle 2154182?

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Billy-McK

https://www.chess.com/puzzles/problem/2154182

Can someone explain why white gives up their queen in this puzzle?

Martin_Stahl
Billy-McK wrote:

https://www.chess.com/puzzles/problem/2154182

Can someone explain why white gives up their queen in this puzzle?

White doesn't have anything to stop the mate

Billy-McK

OK, thanks.