Chess Board
[ECO code D31]
TRANSPOSITION
ORTH-QGD. to NIMZO-INDIAN DEF. (Steiner V.)
White posted his KKtPawn on KKt3(g3) planning a KB fianchetto to contest the light centre.
Black transposes into the Steiner line of the Nimzo-Indian Defence by developing his King's Knight to KB3(f6) fully controlling White's K4(e4).
    White  Black    Transp.White Black
 1. P-Q4   P-Q4	    (1.	P-Q4   Kt-KB3)
 2. P-QB4  P-K3	    (2.	P-QB4  P-K3  )
 3. Kt-QB3 B-Kt5    (3.	Kt-QB3 B-Kt5 )
 4. P-KKt3 Kt-KB3   (4.	P-KKt3 P-Q4  )
Continue: Transpose or Undo or Jump or Clear