What move, and then followup move, gives white a winning position

As a beginner, I don't know how to defend against this and it ruins the game really quick. : r/chess

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White to mate in 3 : r/ChessPuzzles

Duck Chess - Mate in 1 (New variant on chess.com) : r/chess

For the budding patzer

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Under 1000 Elo, where should I begin with these? What book should

Chess Beginner, accidentally played my first brilliant move according to chess.com. Can someone please explain why was this move considered brilliant? : r/chess

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