1.e4 2.exf4 Re8! And after either 3.Rxe4 or fxe4, black wins with 3.g6+ 4.hxg6 hxg6+ 5.Kxg5 Bd8+
Right, or also ... 4. Kxg5 h6+! 5. Kxh6 Rh8+ 6. Kg5 Bd8# :)
1.e4 2.exf4 Re8! And after either 3.Rxe4 or fxe4, black wins with 3.g6+ 4.hxg6 hxg6+ 5.Kxg5 Bd8+
Right, or also ... 4. Kxg5 h6+! 5. Kxh6 Rh8+ 6. Kg5 Bd8# :)