Chess Board
[ECO code D06]
QUEEN'S GAMBIT TRANSPOSITION
MARSHALL DEF. to CATALAN QGD.
Black and White developed KKts in weaker moves.
Black transposes towards Moscow / Vienna lines or else a Catalan by setting his King's Pawn on K3(e6), tripling his QP support and freeing his KB for use (planning to pin any Kt-QB3 White may develop to support a P-K4 attempt). B-Alt.
    White  Black    Transp.White Black
 1. P-Q4   P-Q4		  (1.)
 2. P-QB4  Kt-KB3   (2.	P-QB4  P-K3  )
 3. Kt-KB3 P-K3	    (3.	Kt-KB3 Kt-KB3)
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