Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nd4/4. Nxe5/4...Qg5/5. Nxf7/5...Qxg2/6. Rf1/6...Qxe4/7. Be2/7...Nf3

7...Nf3#
And White is mated.