Chess Board
[ECO code C41]
PHILIDOR'S DEF. - "Exchange" Var.
The Paulsen Attack

Black pushed his QPawn on from Q3(d6) to Q4(d5), challenging White's KP to continue.
White's K4(e4) Pawn removes Black's QP, planning 5..QxP, 6.Q-K2+ch to upset Black's development.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	P-Q3
 3.	P-Q4	PxP
 4.	KtxP	P-Q4
 5.	PxP

Example ends: Undo or Jump or Clear