[Event "Leningrad, 1951"] [White "Nikolay Aratovsky"] [Black "Vasily Smyslov"] [FEN "r5k1/1p4pp/2p1p2r/p2nRp2/P2P1P1P/1P3qP1/1BQ2P2/R5K1 b - - 0 1"] %Hidden=1 1... Nxf4 2. Qe4 fxe4 3. gxf4 Rxh4 4. Rh5 Qh1#