The Nepomniachtchi Trap in the Petroff!
In the Russian Team Championship of 2016 there was a game played in round 3 between grandmaster Ian Nepomniachtchi and Sana Sjugirov.The opening was a petroff defense and Ian managed to win a pawn with a very cunning trap,which is now named after him!!
See this video to find out how he managed to trap a 2500+ player.