Chess Board
[ECO code C68 > 69] Do not scroll the screen..! Move Move Move Move Here Move Here
RUY LOPEZ - Morphy Def.
Exchange Variation
Black's QP completed an exchange of minor pieces, leaving his KP temporarily defenceless.
White castles, activating his KR to start a real threat against Black's KP. US 1972 World Ch. Bobby Fischer improved this line, seen nowadays as superior to QKt development. W-Alt.
    White  Black	White  Black
 1. P-K4   P-K4     5.	0-0
 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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