[Event "Groningen, 1946"] [White "Ossip Bernstein"] [Black "Alexander Kotov"] [FEN "R6R/1r3pp1/4p1kp/3pP3/1r2qPP1/7P/1P1Q3K/8 w - - 1 0"] %Hidden=1 1. f5+ exf5 2. Qxh6+ gxh6 3. Rag8#