[ECO code C20]
The Norwalder Gambit
Black develops his King's Bishop to Q3(d6) defending his KP - a gambit move as he blocks his queen's defence of the Q4(d5) pawn.
White Black 1. P-K4 P-K4 2. P-QB3 P-Q4 3. Q-R5 B-Q3
Example ends: Undo or Jump or Clear