Chess Board
[ECO code C67]
RUY LOPEZ TRANSPOSITION
OPEN BERLIN (Rosenthal V.) to OPEN MORPHY DEF.
Black's QRP attacked White's bishop on QKt4(b5).
White transposes into the Open Morphy mainline by withdrawing his Bishop to QR4(a4). W-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-K4		  (1.)
 2. Kt-KB3 Kt-QB3	  (2.)
 3. B-Kt5  Kt-B3    (3.	B-Kt5  P-QR3)
 4. 0-0	   KtxP	    (4.	B-R4   Kt-B3)
 5. P-Q4   P-QR3    (5.	0-0    KtxP )
 6. B-R4	    (6.	P-Q4	    )
Continue: Transpose or Undo or Jump or Clear