Chess Board
[ECO code D02]
TRANSPOSITION
QP. GAME (Krause Var.) to QGD. (Rubenstein Def.)

Black declined White's QBP gambit and set his KKt to improve his QP defence and also control K5(e4).
White's QBPawn removes Black's QP, preventing 4..P-K3. Superior to 4.QPxP (which can bring early equality for Black). Often via QGD Irregular Def..
    White  Black    Transp.White Black
 1. P-Q4   P-Q4		  (1.)
 2. Kt-KB3 P-QB4    (2.	P-QB4  P-QB4  )
 3. P-B4   Kt-KB3!  (3.	BPxP   Kt-KB3!)
 4. BPxP	    (4.	Kt-KB3	      )

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