Chess Board
[ECO code C68] Move Move Here
RUY LOPEZ - Exchange Var.
(The) Side Variation
White castled to start a real threat to Black's KP.
Black develops his King's Knight to KB3(f6) to counter-attack White's KP - no solution to White's 6.KtxP threat. A common learner's mistake. B-Alt.
    White  Black    Main Berlin route
 1. P-K4   P-K4		  (1.)
 2. Kt-KB3 Kt-QB3	  (2.)
 3. B-Kt5  P-QR3    (3.	B-Kt5  Kt-B3  )
 4. BxKt!? QPxB	    (4.	0-0    P-QR3?!)
 5. 0-0    Kt-B3?!  (5.	BxKt   QPxP   )
WHITE to Move or Undo or Jump or Clear
 
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