[Event "Helsinki, 1952"] [White "Carl Poschauko"] [Black "Jan-Heim Donner"] [FEN "r5rk/ppq2p2/2pb1P1B/3n4/3P4/2PB3P/PP1QNP2/1K6 w - - 1 0"] %Hidden=1 1. Bg7+ Rxg7 2. Qh6+ Rh7 3. Qxh7#