London System · Basic

Opponent's mistake · 5...Nb4

1.d4 d5 2.Bf4 Nc6 3.e3 Bf5 4.c4 dxc4 5.Bxc4 Nb4 6.Qa4+ Nc6 7.d5 Bd7 8.dxc6 Bxc6 9.Bb5

• d4: Takes the centre with the queen's pawn, already protected by the queen.
• Bf4: Develops the bishop before e3 so it isn't locked behind the pawns.
• e3: Supports the d4 pawn, which the c6 knight is eyeing, and frees the f1 bishop.

Learn this line