Chess Board
[ECO code C62]
RUY LOPEZ TRANSPOSITION
STEINITZ DEF. to CLOSED BERLIN DEF.
White castled short, setting his king's rook in play. Inferior (passive), it handed back the initiative.
Black usually develops his King's Knight to KB3(f6) attacking White's undefended KP for the greater choices that follow 5.P-Q4. B-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-K4		  (1.)
 2. Kt-KB3 Kt-QB3	  (2.)
 3. B-Kt5  P-Q3	    (3.	B-Kt5  Kt-B3)
 4. 0-0	   Kt-B3    (4.	0-0    P-Q3 )
Continue: Transpose or Undo or Jump or Clear