Chess Board
[ECO code E12]
TRANSPOSITION
QUEEN'S INDIAN DEF. to NIMZO-INDIAN (3Kts. V.)
White changed tactics, deploying his queen's knight to contest for control of K4(e4), planning 5.P-K4.
Black transposes into the Three Knights variation of the Nimzo-Indian Defence (qv.) by developing his King's Bishop to pin White's QKt+K. B-Alt.
    White  Black    Transp.White Black
 1. P-Q4   Kt-KB3	  (1.)
 2. P-QB4  P-K3		  (2.)
 3. Kt-KB3 P-QKt3   (3.	Kt-QB3 B-Kt5 )
 4. Kt-B3  B-Kt5    (4.	Kt-B3  P-QKt3)
Continue: Transpose or Undo or Jump or Clear