Chess Board
[ECO code A40]
ENGLISH DEFENCE
Poli Gambit Deferred
White's KB5(f5) pawn removes the Black KP on K6(e6) to threaten 8.PxP, again inviting exchange.
Black's KR3(h6) Knight moves to the vacated KB4(f5) and threatens 8..Q-R5+ch, 9..KtxP so that White must continue 8.B-B4!..PxP for equality.
    White  Black	White  Black
 1. P-Q4   P-K3	     5.	P-B3   P-KB4!
 2. P-QB4  P-QKt3    6.	PxP    Kt-KR3!
 3. P-K4   B-Kt2     7.	PxP    Kt-B4
 4. Kt-QB3 B-Kt5
Example ends: Undo or Jump or Clear