Chess Board
[ECO code D00] Move Move Here
QUEEN'S PAWN GAME
(The) Stonewall System

Black's QKt to Q2(d7) (best) supported both his earlier gambit QBP and ..P-K4.
White plans Kt-KB3 and so advances his KBP first (else it is blocked). The Stonewall (qv.) is safer after an opponent's Kt-KB3 (ie. no pawns at KB3+K4).
    White  Black	White  Black
 1. P-Q4   P-Q4	     5.	P-KB4
 2. P-K3   Kt-KB3
 3. B-Q3   P-B4
 4. P-QB3  QKt-Q2

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