[Event "Vilnius, 1949"] [White "Semyon Furman"] [Black "Boris Ratner"] [FEN "r3QnR1/1bk5/pp5q/2b5/2p1P3/P7/1BB4P/3R3K w - - 1 0"] %Hidden=1 1. Be5+ Bd6 2. Rg7+ Nd7 3. Qxd7+ Kb8 4. Qxb7#