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[ECO code C67] Do not scroll the screen..! Move Move Move
RUY LOPEZ - Berlin Defence
Side Variation (towards Riga Var.)

White's KB3(f3) knight removed the doubled QP on Q4(d4) for a joint attack on the QKt and also threatened P-KB3, forcing Black to counterattack.
Black sets his QRPawn on QR3(a6) to attack and dislodge White's QKt5(b5) bishop. Inferior. B-Alt.
    White  Black	White  Black
 1. P-K4   P-K4	     5. P-Q4   PxP?!
 2. Kt-KB3 Kt-QB3    6.	R-K1   P-Q4
 3. B-Kt5  Kt-B3     7.	KtxP   P-QR3
 4. 0-0	   KtxP

WHITE to Move or Undo or Jump or Clear
 
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Chess Board

WHITE moves Bishop:

B-R4 (Ba4) or BxKt ch (Bxc6+) ?

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