[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C25"] [Opening "Vienna Game: Hamppe-Meitner Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. e4 e5 2. Nc3 Bc5 3. Na4? { (0.49 → -0.65) Mistake. Nf3 was best. } { C25 Vienna Game: Hamppe-Meitner Variation } (3. Nf3 d6 4. Na4 Nf6 5. Nxc5 dxc5 6. d3 Nc6 7. Be2 h6) 3... Bxf2+ 4. Kxf2 Qh4+ *