Chess Board
[ECO code A12] Move Move Move Here Move Here
(to) London Variation

Black set a QP with QBP support, aiming to maintain the centre while threatening ..P-QKt4 (to take White's unprotected QBP and then keep the pawn gain).
White pushes his Queen's Knight's Pawn out to QKt3(b3) to defend his QBP and deter ..P-QKt4, and enables a QB fianchetto. W-Alt.
	White	Black
 1.	P-QB4	P-QB3
 2.	Kt-KB3	P-Q4
 3.	P-QKt3

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