[Event "Breslau, 1912"] [White "Levitsky"] [Black "Marshall"] [FEN "5rk1/pp4pp/4p3/2R3Q1/3n4/2q4r/P1P2PPP/5RK1 b - - 0 1"] 1...Qg3 {After 1…Qg3, 2. Qxg3 Ne2+ 3. Kh1 Nxg3+ 4. fxg3 Rxf1 is mate. But after 2. fxg3 Ne2+ 3. Kh1 Rxf1 is a faster mate, and after 2. hxg3 Ne2+ is mate. Yet if white does not take the queen, say with 2. Re1, then 2…Qxh2+ 3. Kf1 Qh1 is mate.} *