I want to move one of my rooks to defend my pawn on c6. Why one is

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Can someone tell me why taking a pawn is better than forking 2 rooks? : r/chessbeginners

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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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In this position, (black to move) Qe1 is apparently checkmate, but I am confused because the rook is pinned and therefore cannot defend the queen. Can someone explain this to me?

Why does Stockfish sometimes promote a pawn to a rook instead of a queen? - Quora