Now now, no need for sarcasm. The puzzle is obviously aimed at people of a lower skill level than yours. I tend to watch games on the live chess server, and I can't tell you how many times I've seen combinations like this missed. If you want a harder puzzle, then visit the tactics trainer or one of the several other puzzles in this forum, not all of which are catered to you.
Counter attack
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This is from a game that I am still currently playing. I was in a playful mood, so I made an unsound sacrifice early on, and fortunately afterwards I was able to be technically a pawn up (a rook and four pawns for two minors and two pawns). I still didn't like the position very much though, and the light squared bishop was on a very unfriendly diagonal. What was worse, black was forcing me to trade queens! But on closer inspection, the move wasn't the devastating move it looked like...