Alekhine's defence - four pawns attack - Korchnoi variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Be7 9. Be2 O-O 10. O-O f6
White plays the king's pawn to e4. Black develops the knight to f6. White pushes the king's pawn to e5.
Black jumps the knight to d5. White plays the queen's pawn to d4. Black advances the queen's pawn to d6.
White moves the c-pawn to c4. Black transfers the knight to b6. White advances the f-pawn to f4.
Black captures on e5 with the queen's pawn. White captures on e5 with the f-pawn. Black develops the light-squared bishop to f5.
White develops the knight to c3. Black moves the king's pawn to e6. White moves the knight to f3.
Black deploys the dark-squared bishop to e7. White develops the light-squared bishop to e2. Black castles kingside.
White castles kingside. Black plays the f-pawn to f6.