Chess Board
[ECO code A13]
TRANSPOSITION
ANGLO-FRENCH to FRANCO-INDIAN DEFENCE
Black's KP push enabled 2..P-Q4 for the Q.G.D. or Dutch or Nimzo-Indian variations.
White transposes into the Franco-Indian Defence by advancing his QPawn to the still vacant centre. Black in reply may transpose further, eg. 2..P-Q4 (QGD.), 2..P-KB4 (Dutch Def.), 2..P-QKt3 (English Def.) or continue the Franco-Indian. W-Alt.
    White  Black    Transp.White Black
 1. P-QB4  P-K3	    (1.	P-Q4  P-K3)
 2. P-Q4	    (2.	P-QB4     )
Continue: Transpose or Undo or Jump or Clear