One of the basic positions of the London System occurs after the most frequently played moves by both sides: 1.d4 d5 2.Nf3 Nf6 3.Bf4 c5 4.e3 Nc6 5.Nbd2 e6 6.c3 Bd6 7.Bg3 0-0 8.Bd3 b6 and is presented in the following image:
What strikes the eye is the move 9.e4!?’s statistics. The early opening of the centre is actually not quite in the spirit of the London System, but of course its success is justification for White. But perhaps you prefer to study the modern variation 5.Nbd2 Qb6 6.dxc5 Qxb2. Here the Powerbook offers you statistics based on more than 18 000 games – here human theory has to be content with 450 games.