[ECO code A46]
Wagner Gambit
Black pushes his King's Rook's Pawn out to KR3(h6) counter-attacking to dislodge White's bishop for 6.B-R4..P-KKt4 with slight advantage.
White Black 1. P-Q4 Kt-KB3 2. Kt-KB3 P-K3 3. B-Kt5 P-B4 4. P-K4 PxP 5. P-K5 P-KR3
Example ends: Undo or Jump or Clear