The Winawer variation of the French Defense is reached after 1.e4 e6 2.d4 d5 3.Nc3 Bb4. This is one of the most exciting openings in the game. It's an alternative universe with alternative rules. In return for the bishop, Black gets a rock solid pawn structure and lots of dynamic options. It should not come as a surprise that in these unbalanced fights Black can really play for a win.