Puzzle with a Tempting Doublecheck

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AstroBullivant

Here's the puzzle:

I played Rc5+(or Rc5++) on this puzzle because of the double check and it didn't end well. Would anybody else here make the same mistake or did I have an usually bad blunder?

Sam121212321

Rg5 ? Check + double attack on the rook

Arisktotle

The double check is awful as it only forces black's king to safety. I would never play it with a bit of time on the clock and indeed Rg5+! wins the black rook.