Chess Board
[ECO code D30]
QGD. TRANSPOSITION
(to CATALAN) to SEMI-SLAV DEFENCE
White freed his KB to defend his QBP by a tame KP push out to K3(e3), rejecting 4.Kt-B3 or the Catalan.
Black rejects Tarrasch Def. lines and transposes into a Semi-Slav Defence by setting his QBPawn on QB3(c6). B-Alt.
    White  Black    Transp.White Black
 1. P-Q4   P-Q4	    	  (1.)
 2. P-QB4  P-K3	    (2.	P-QB4  P-QB3)
 3. Kt-KB3 Kt-KB3   (3.	Kt-KB3 Kt-B3)
 4. P-K3   P-B3	    (4.	P-K3   P-K3 )
Continue: Transpose or Undo or Jump or Clear