The Classical variation is a chess opening
White starts by moving the e-pawn two squares
Black responds with 1… c5, entering the sicilian
After this, White moves the g1-knight to f3
Black goes for the move d7-d6
White can react with the move d2-d4
Black captures the d-pawn...
...and White takes it back with the knight
Black plays Ng8-f6, attacking the e4-pawn
White defends this pawn with the move Nb1-c3
After this, Black goes Nc6
This is the Classical variation
