Chess Board
[ECO code B07]
Exchange Variation

White develops his newly exposed Queen to capture Black's queen on Q8(d8) with check.
Black's King on K1(e8) is forced to exchange queens and forfeits all privilege of castling in the game, giving White a slight advantage.
	White	Black
 1.	P-Q4	P-Q3
 2.	P-K4	P-K4
 3.	PxP	PxP
 4.	QxQ ch  KxQ fcd

Example ends: Undo or Jump or Clear