Chess Board
[ECO code C38]
(KGA:) KING'S KNIGHT'S GAMBIT
The Greco (aka. Calabrian) Gambit
Black's KKt2 bishop exchanged rooks on KR1(h8).
White's Knight to K5(e5) is a sacrifice (nowadays a dubious line) to break up Black's position. Greco (1600-c.1634) came from Calabria. W-Alt.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	P-Q4   P-Q3
 2. P-KB4  PxP	     7.	Kt-B3  P-B3
 3. Kt-KB3 P-KKt4    8.	PxP    PxP
 4. B-B4   B-Kt2     9.	RxR    BxR
 5. P-KR4  P-KR3!   10.	Kt-K5?
Example ends: Undo or Jump or Clear