1...d5 2.Bb2 Nf6 3.e3 Bf5 is variation 4 of 6 in the Nimzo-Larsen Attack course, a intermediate opening course for White (ECO A01). It runs 19 moves and begins 1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. Nf3 e6 …. Black develops the light bishop before ...e6, like a London System with colours reversed. White develops, castles and plays c4 and d4. Then the bishop goes to d3 to trade off Black's good bishop. In the lesson every move is explained on a board and then drilled; it is free.
Move by move
1. b3 – The Nimzo-Larsen Attack.
1... d5 – Black takes the centre.
2. Bb2 – The bishop takes the long diagonal.
2... Nf6 – Black develops.
3. e3 – White opens the f1 bishop.
3... Bf5 – Black develops the light bishop outside the pawn chain.
4. Nf3 – White develops and controls e5.
4... e6 – Black's most common move. Black supports d5 and opens the f8 bishop.
5. c4 – White hits d5 from the side.
5... Be7 – Black gets ready to castle.
6. Be2 – White gets ready to castle.
6... h6 – Black makes a safe square on h7 for the bishop.
7. O-O – White castles.
7... O-O – Black castles.
8. d4 – White takes the centre.
8... Nbd7 – Black develops the last knight.
The lesson goes on for 3 more moves, each with its explanation.
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