Chess Board
[ECO code C44] Do not scroll the screen..! Move Move Move Here
PONZIANI'S OPENING
(to) Leonhardt / Steinitz Vars.
Black's queen's pawn attacked White's KP to deter his 4.P-Q4 plan for control of the centre.
White develops his Queen to QR4(a4) to defend his king's pawn and pin Black's QKt, and thus attacks Black's KP. W-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-QB3
 3.	P-B3	P-Q4!
 4.	Q-R4
BLACK to Move or Undo or Jump or Clear
 
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Chess Board

BLACK moves to KB6 (f6) with:

Pawn (f7) or Knight (f8) ?

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