Catalan - closed - 6...Nbd7
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7
White moves the queen's pawn to d4. Black develops the knight to f6. White advances the c-pawn to c4.
Black plays the king's pawn to e6. White pushes the g-pawn to g3. Black plays the queen's pawn to d5.
White develops the light-squared bishop to g2. Black develops the dark-squared bishop to e7. White develops the knight to f3.
Black castles kingside. White castles kingside. Black jumps the knight to d7.