Chess Board
[ECO code B10]
TRANSPOSITION
CARO-KANN DEF. to QGD. MARSHALL GAMBIT
Black's "Semi-Slav" QP move attacked White's KP.
White usually transposes towards the Marshall Gambit of a QGD Semi-Slav by developing his Queen's Knight for a triple QP attack, inviting a 4..PxKP exchange that Black usually accepts. W-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-QB3    (1.	P-Q4   P-Q4 )
 2. P-QB4  P-K3	    (2.	P-QB4  P-K3 )
 3. P-Q4   P-Q4	    (3.	Kt-QB3 P-QB3)
 4. Kt-QB3	    (4.	P-K4	    )
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