The Petrov Trap

The Petrov Trap is a simple trap by white that is very simple yet effective. If the opponent isn't very observent and tries to mirror you for the first few moves you can trick them by doing this.

It would be nice if less people knew about it... but all one needs to do is be alert.

After 4. Qe2, 4...d5 or 4...Qe7 makes it an interesting game where white is at best a pawn up.

4...Qe7 is an interesting line.  White can get an advantage but there are many traps.  For instance the very plausible 5.Qxe4 d6 6.d4 dxe5 7.dxe5 Nc6 8.Bf4? actually allows Black to equalize via 8...g5!

9.Bd2 is a better try but Black should be fine after, say, 9...Nxe5 10.Nc3 f5.

Definately fallen for this trap in whilst playing the first few moves on autopilot/zombie mode.

I like to play the 3. d4 line against the Petroff

YEP ITS HADE ME 

Why would anybody who plays the Petroff go out of book by move 3?  I know people don't like to study theory, but by move 3?

@BugOutGuy

Maybe an "individual" who would fall for this trap... would be doing something like.. playing lightning chess while talking on the phone?  It happens.