Chess Board
[ECO code D06]
QUEEN'S GAMBIT TRANSPOSITION
MARSHALL DEF. to SLAV DEF.
Black and White developed KKts in weaker moves.
Black transposes into the main line of the QGD. Slav Defence by pushing his Queen's Bishop's Pawn out one square to QB3(c6), tripling his QP support and opening a Q-side diagonal for his queen. B-Alt.
    White  Black    Transp.White Black
 1. P-Q4   P-Q4		  (1.)
 2. P-QB4  Kt-KB3   (2.	P-QB4  P-QB3)
 3. Kt-KB3 P-B3	    (3.	Kt-KB3 Kt-B3)
Continue: Transpose or Undo or Jump or Clear