Chess Board
[ECO code A00]
TRANSPOSITION
HEINRICHSEN OPG. to CARO-KANN DEFENCE
White's QKt and KP combined to attack Black's QP, inviting him to exchange, advance or transpose.
Black transposes into a variation of the Caro-Kann Defence by setting his Queen's Bishop's Pawn on QB3(c6) to support his threatened queen's pawn. White may respond 3.P-Q4 for the main line. B-Alt.
    White  Black    Transp.White Black
 1. Kt-QB3 P-Q4	    (1.	P-K4	P-QB3)
 2. P-K4   P-QB3    (2.	Kt-QB3	P-Q4 )
Continue: Transpose or Undo or Jump or Clear