Rapport-Jobava System is a chess opening with the ECO code D01. It goes 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6. White opens with 1. d4 (the queen's pawn) and Black answers 1... d5. After 6 moves it is White to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.