Chess Board
[ECO code C23]
TRANSPOSITION
BISHOP'S OPG. (Classical) to VIENNA (Max Lange D.)
Black developed his QKt to QB3(c6) to defend his KP and triple his control of White's Q4(d4).
White develops his Queen's Knight to QB3(c3) for triple Q5(d5) control, with a Vienna Game position.
    White  Black    Transp.White Black
 1. P-K4   P-K4		  (1.)
 2. B-B4   B-B4	    (2.	Kt-QB3 Kt-QB3)
 3. Q-Kt4  K-B1	    (3.	B-B4   B-B4  )
 4. Q-Kt3  Kt-QB3   (4.	Q-Kt4  K-B1  )
 5. Kt-QB3	    (5.	Q-Kt3	     )
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