[Event "Vienna"] [Site "https://lichess.org/study/0Gwlz9yh/u8rPZk8k"] [Date "1873"] [White "Samuel Rosenthal"] [Black "Wilhelm Steinitz"] [Result "*"] [Variant "Standard"] [ECO "?"] [Opening "?"] [Annotator "https://lichess.org/@/Nightro_G"] [FEN "8/p5bk/1p3pb1/2p4p/2P3pP/1P1N2Q1/q3r1P1/2B2RK1 b - - 0 1"] [SetUp "1"] [Source "https://lichess.org/study/0Gwlz9yh/u8rPZk8k"] [Orientation "black"] [ChapterMode "gamebook"] { Welcome to this study of basic tactics! Each position features a tactic played by a world champion in an actual tournament game. Good luck! } 1... Qxb3 { [%csl Gd3,Gg3][%cal Gg6d3,Gb3g3] } 2. Qc7 Qxd3 *