Chess Board
[ECO code A48]
EAST INDIAN DEFENCE - London Var.
(The) London System
Black's QP supported his QBP and freed his QB.
White pushes his QBPawn out to QB3(c3) and completes a rare six-move defensive system (played more often by Black in for example an Anglo-Slav).
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	P-B3
 2. Kt-KB3 P-KKt3
 3. B-B4   B-Kt2
 4. QKt-Q2 P-B4
 5. P-K3   P-Q3
Example ends: Undo or Jump or Clear