Chess Board
[ECO code C23]
TRANSPOSITION
BISHOP'S OPG. to VIENNA GAME (Max Lange Def.)
Black developed a passive QKt to QB3(c6) to support his KP and increase his control of Q5(d4).
White transposes into the Max Lange Defence of a Vienna Game by developing his Queen's Knight to QB3(c3) to support his KP in anticipation of a likely 3..Kt-KB3. W-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-K4		  (1.)
 2. B-B4   Kt-QB3   (2.	Kt-KB3 Kt-QB3)
 3. Kt-QB3	    (3.	B-B4	     )
Continue: Transpose or Undo or Jump or Clear