[Event "Biel, 1985"] [White "Eugenio Torre"] [Black "Vlastimil Jansa"] [FEN "8/5R1p/4p1p1/3pN1k1/1rnP4/p3P3/P1K2PPP/8 w - - 1 0"] %Hidden=1 1. f4+ Kh6 2. Ng4+ Kh5 3. Nf6+ Kh6 4. Rxh7#