[Event "Chess Position Trainer"] [Site "Chess Position Trainer"] [Date "????.??.??"] [Round "?"] [White "Petroff Nc4"] [Black "5."] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C42"] [Opening "Russian Game: Paulsen Attack"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 { C42 Russian Game: Paulsen Attack } Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Bf4 Be7 8. Qd2 O-O 9. O-O-O Be6 10. Kb1 *