English - Anglo-Gruenfeld defense - Korchnoi variation
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5
White pushes the c-pawn to c4. Black develops the knight to f6. White develops the knight to c3.
Black moves the queen's pawn to d5. White captures on d5 with the c-pawn. Black captures with the knight on d5.
White transfers the knight to f3. Black advances the g-pawn to g6. White pushes the g-pawn to g3.
Black develops the dark-squared bishop to g7. White develops the light-squared bishop to g2. Black moves the king's pawn to e5.