Chess Board
[ECO code C79] Move Move Move Move Move Here Move Here Move Here Move Here
MORPHY RUY LOPEZ
The Russian Defence (aka. Steinitz Var.)

White castled to develop his KR in case of 5..KtxP.
Black's Pawn to Q3(d3) switches his KP support and frees his QB (rejecting the radically more open main 5..KtxP game, or the closed 5..B-K2). B-Alt.
     White   Black
 1.  P-K4    P-K4
 2.  Kt-KB3  Kt-QB3
 3.  B-Kt5   P-QR3
 4.  B-R4    Kt-B3
 5.  0-0     P-Q3  Transp.from STDD.

WHITE to Move or Undo or Jump or Clear
 
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