[Event "Warsaw, 1935"] [White "Lajos Steiner"] [Black "Vladimir Petrov"] [FEN "4r3/p1r2p1k/1p2pPpp/2qpP3/3R2P1/1PPQ3R/1P5P/7K w - - 1 0"] %Hidden=1 1. Rxh6+ Kxh6 2. Qh3+ Kg5 3. Qe3+ Kh4 4. Qh6#