[Event "Carlsbad, 1923"] [White "Frederick Yates"] [Black "Aron Nimzowitsch"] [FEN "R7/8/2p4k/3pqr1p/6pK/3P4/P5B1/6Q1 b - - 0 1"] %Hidden=1 1... Qf6+ 2. Kg3 Rf3+ 3. Bxf3 Qxf3+ 4. Kh4 Qh3#