Chess Board
[ECO code C41]
PHILIDOR'S DEFENCE - Hanham Var.
The Delmar Variation

Black's QBP push supported 5..P-QKt4 against White's light bishop, and enabled a 5..Q-R4+ch path.
White posts his QBPawn on QB3(c3) increasing support for his QP. W-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	P-Q3
 3.	P-Q4	Kt-Q2
 4.	B-QB4	P-QB3
 5.	P-B3

Example ends: Undo or Jump or Clear