Against the Vienna: 2...Nf6 3.f4 d5 is variation 6 of 6 in the 1.e4 e5 for Black course, a intermediate opening course for Black (ECO C29). It runs 22 moves and begins 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 …. Against the Vienna Gambit Black strikes with ...d5, plants a knight on e4 and breaks with ...f5. Black reaches a free position and wins back the centre pawn. In the lesson every move is explained on a board and then drilled; it is free.
Move by move
1. e4 – White takes the centre.
1... e5 – Black claims the centre.
2. Nc3 – The Vienna: White prepares f4.
2... Nf6 – Develops and attacks e4.
3. f4 – The Vienna Gambit.
3... d5 – The best reply: Black opens the centre so the knight can land on e4.
4. fxe5 – White takes on e5.
4... Nxe4 – The knight takes a strong central square and hits c3.
5. Nf3 – White develops and covers h4.
5... Be7 – Black develops and prepares to castle.
6. d4 – White builds a centre.
6... O-O – Black castles.
7. Bd3 – White hits the e4 knight.
7... f5 – Supports the e4 knight with a pawn.
8. exf6 – White takes en passant.
8... Bxf6 – The bishop recaptures and hits d4.
The lesson goes on for 6 more moves, each with its explanation.