Chess Board
[ECO code C68] Do not scroll the screen..! Move Move Move Move Here Move Here
RUY LOPEZ - Morphy Def.
Exchange Var. - The Keres Variation
Black's QP completed an exchange of minor pieces, leaving his KP temporarily defenceless.
White's Queen's Knight develops to QB3(c3), guards his KP to enable 6.KtxP. Inferior to castling as it stops his QBP supporting P-Q4. W-Alt.
    White  Black	White  Black
 1. P-K4   P-K4     5.	Kt-B3
 2. Kt-KB3 Kt-QB3
 3. B-Kt5  P-QR3
 4. BxKt!? QPxB
BLACK to Move or Undo or Jump or Clear
 
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Chess Board

BLACK moves to KB3 (f6) with:

Knight (g8) or Pawn (f7) ?

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