Benko gambit - Nd2 variation
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2
White plays the queen's pawn to d4. Black develops the knight to f6. White moves the c-pawn to c4.
Black moves the c-pawn to c5. White advances the queen's pawn to d5. Black plays the b-pawn to b5.
White captures on b5 with the c-pawn. Black plays the a-pawn to a6. White captures on a6 with the b-pawn.
Black develops the light-squared bishop to a6. White develops the knight to c3. Black moves the queen's pawn to d6.
White moves the knight to f3. Black plays the g-pawn to g6. White transfers the knight to d2.