Chess Board
[ECO code A21]
ENGLISH OPG. TRANSPOSITION
(Smyslov to) Nimzowitsch Variation
Black develops his Queen's Knight to QB3(c6) to double the defence of his KP. B-Alt.
White transposes into the Nimzowitsch Variation, advancing his Queen's Pawn to Q4(d4) to free his QB and increase a threat against Black's KP.
    White  Black    Transp.White Black
 1. P-QB4  P-K4		  (1.)
 2. Kt-QB3 P-Q3	    (2.	Kt-QB3 Kt-KB3)
 3. Kt-B3  Kt-QB3   (3.	P-Q4   P-Q3  )
 4. P-Q4	    (4.	Kt-B3	     )
Continue: Transpose or Undo or Jump or Clear