[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A05"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. Nf3 Nf6 { A05 Zukertort Opening } 2. Nd4 Ng4 3. Nf5 Nxf2 4. Kxf2 Nc6 5. Nd4 Nxd4 *