[Event "Bern, 1932"] [White "Henry Grob"] [Black "Ossip Bernstein"] [FEN "7k/6p1/2p3pp/1p4qn/4r3/2Pr2P1/PP2BP1K/1Q3R2 b - - 0 1"] %Hidden=1 1... Rh4+ 2. gxh4 Rh3+ 3. Kxh3 Nf4+ 4. Kh2 Qg2#