[Event "St Petersburg, 1914"] [White "Emanuel Lasker"] [Black "Frank Marshall"] [FEN "1k1r4/3b1p2/QP1b3p/1p1p4/3P2pN/1R4P1/KPPq1PP1/4r2R w - - 1 0"] %Hidden=1 1. Qa7+ Kc8 2. Qa8+ Bb8 3. Qa6#