Chess Board
[ECO code A46]
TRANSPOSITION
INDIAN DEFENCE to QUEEN'S PAWN GAME (Colle S.)
White (like Black) pushed his KP out one square, to support a centre QP and free his KB.
Black avoids White's Yusupov-Rubinstein System invitation and advances his Queen's Pawn to the centre, accepting White's Colle plans. B-Alt.
    White  Black    Transp.White Black
 1. P-Q4   Kt-KB3   (1.	P-Q4   P-Q4  )
 2. Kt-KB3 P-K3	    (2.	Kt-KB3 Kt-KB3)
 3. P-K3   P-Q4	    (3.	P-K3   P-K3  )
Continue: Transpose or Undo or Jump or Clear