Chess Board
[ECO code C41] Move Move Here
PHILIDOR'S DEFENCE
"Exchange" Variation
White's queen developed to exchange pawns on Q4(d4), removing the newly doubled QP.
Black develops his Queen's Knight to threaten White's queen, adopting a line that invites Ruy Lopez, Steinitz Defence similarities.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	P-Q3
 3.	P-Q4	PxP
 4.	QxP	Kt-QB3
WHITE to Move or Undo or Jump or Clear
 
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