Benko gambit - main line
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3 Bg7 10. Kg2 O-O 11. Nf3
White pushes the queen's pawn to d4. Black develops the knight to f6. White moves the c-pawn to c4.
Black advances the c-pawn to c5. White moves the queen's pawn to d5. Black moves 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 plays the queen's pawn to d6.
White advances the king's pawn to e4. Black captures with the light-squared bishop on f1. White captures with the king on f1.
Black advances the g-pawn to g6. White moves the g-pawn to g3. Black moves the dark-squared bishop to g7.
White moves the king to g2. Black castles kingside. White jumps the knight to f3.