Chess Board
[ECO code C41]
PHILIDOR DEFENCE - Exchange Var.
"Attack" Variation
White's KP removes Black's Q4(d5) attack bishop.
Black castles to bring his king's rook over towards the open king's (e-)file, but 12.0-0 will bring White a lasting advantage - also arising via Nimzo.Attack.
    White  Black     6. BxKt   BxB
 1. P-K4   P-K4	     7.	Kt-B3  Kt-B3
 2. Kt-KB3 P-Q3	     8.	B-K3   P-KKt3
 3. P-Q4   PxP	     9.	Kt-Q5  B-Kt2
 4. QxP	   Kt-QB3   10.	B-Kt5  BxKt
 5. B-Kt5  B-Q2	    11.	PxB    0-0
Example ends: Undo or Jump or Clear