Chess Board
[ECO code C67] Do not scroll the screen..! Move Move Here Move Here
RUY LOPEZ - Open Berlin Def.
The Rosenthal Variation
White's QP threatened Black's KP in the centre.
Black pushes his QRPawn out to attack White's bishop on QKt4(b5), offering White the opportunity to adopt the Open Morphy. B-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-QB3
 3.	B-Kt5	Kt-B3
 4.	0-0	KtxP
 5.	P-Q4	P-QR3
WHITE to Move or Undo or Jump or Clear
 
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Chess Board

WHITE moves light Bishop:

B-R4 (a4) or BxKt (c6) ?

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