Chess Board
[ECO code D02]
TRNSPOSITION
QP. GAME (to Colle Sys.) to QGD. SLAV DEFENCE
Black developed his king's knight, tripled his QP support (like White) and doubled his K5(e4) control.
White transposes into the QGD Slav Defence by advancing his QBPawn to a defended QB4(c4).
    White  Black    Transp.White Black
 1. P-Q4   P-Q4		  (1.)
 2. Kt-KB3 P-QB3    (2.	P-QB4  P-QB3)
 3. P-K3   Kt-B3    (3.	Kt-KB3 Kt-B3)
 4. P-B4	    (4.	P-K3	    )
Continue: Transpose or Undo or Jump or Clear