[Event ""] [Site ""] [Date "????.??.??"] [Round ""] [White ""] [Black ""] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D17"] [Opening "Slav Defense: Czech Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 { D17 Slav Defense: Czech Variation } *