Chess Board
[ECO code C47] Move Move Here
TRANSPOSITION
SCOTCH FOUR KTS. GAME to LOPEZ FOUR KTS.
Black's pawn to Q3(d6) defended his KP but risked a QKt pin or an exchange of centre Ps and then Qs.
White adopts the Ruy Lopez, developing his King's Bishop to QKt5(b5) to pin the QKt, and enables 0-0.
    White  Black    Main via Lopez 4Kts
 1. P-K4   P-K4		  (1.)
 2. Kt-KB3 Kt-QB3	  (2.)
 3. Kt-B3  Kt-B3    	  (3.)
 4. P-Q4   P-Q3	    (4.	B-Kt5  P-Q3)
 5. B-QKt5	    (5.	P-Q4	   )
BLACK to Move or Undo or Jump or Clear
 
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