[Event "Chennis Puzzles: Puzzle 1 - 8/12/2017 - Calculation"] [Site "https://lichess.org/study/RXrhqFrm"] [Date "2017.08.13"] [White "?"] [Black "?"] [Result "*"] [UTCDate "2017.08.13"] [UTCTime "01:00:12"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "?"] [Opening "?"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. Qf3 Bxf3 2. Nxf3+ Kh1 3. Nxd4+ Kg1 4. Nxc2 Rc1 5. Nxe3 fxe3 *