[Event "chess rules for castling: Artificial Castle"] [Site "https://lichess.org/study/1FBrUphY/fjbh2YWi"] [Result "*"] [UTCDate "2020.04.29"] [UTCTime "08:11:52"] [Variant "Standard"] [ECO "?"] [Opening "?"] [Annotator "https://lichess.org/@/realhercules"] [FEN "r1bqk2r/ppppbppp/2n2n2/4p3/2B1P3/2N2N2/PPPP1PPP/R1BQK2R b KQkq - 0 1"] [SetUp "1"] [Source "https://lichess.org/study/1FBrUphY/fjbh2YWi"] [Orientation "white"] 1... Nxe4 2. Bxf7+ Kxf7 3. Nxe4 d5 4. Ng3 { [%cal Gh8f8,Gf7g8] } 4... Rf8 5. d3 Kg8 { Black has successfully castled artificially despite receiving dubious attack from white. Black even appears to be better here because of the central control and the open f-file. } *