[Event "Lucerne, 1982"] [White "John Van Der Wiel"] [Black "Georg Danner"] [FEN "1Qb2b1r/1p1k1p1p/3p1p2/3p4/p2NPP2/1R6/q1P3PP/4K2R w K - 0 1"] %Hidden=1 1. Rxb7+ Bxb7 2. Qxb7+ Kd8 3. Nc6+ Ke8 4. Qc8#