Chess Board
[ECO code C37]
(KGA:) KING'S KNIGHT'S GAMBIT
McDonnell Gambit
White castled so that his KR targeted the triple KBPs.
Black best starts to consolidate, offering to return a pawn by a QPawn push out to Q3(d6), preventing P-K5 and freeing his QB for 7..B-K3. B-Alt.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	0-0    P-Q3
 2. P-KB4  PxP
 3. Kt-KB3 P-KKt4
 4. B-B4   P-Kt5
 5. Kt-B3  PxKt
Example ends: Undo or Jump or Clear