Chess Board
[ECO code A00]
TRANSPOSITION
HEINRICHSEN OPG. to ALEKHINE'S DEFENCE
White's QKt and KP combined to attack Black's QP, inviting him to exchange, advance or transpose.
Black transposes into a less popular Scandinavian line of Alekhine's Defence by developing his King's Knight to support his QP, forming his own double attack against White's KP (inviting it forward). B-Alt.
    White  Black    Transp.White Black
 1. Kt-QB3 P-Q4	    (1.	P-K4   Kt-KB3)
 2. P-K4   Kt-KB3   (2.	Kt-QB3 P-Q4  )
Continue: Transpose or Undo or Jump or Clear