White to play and mate in two moves. There is a prize of a £20 John Lewis voucher for the first correct answer out of a hat. Please include a postal address and allow six weeks for prize delivery. Last week’s solution 1 Ba8!, e.g. 1…Kxa8 2 Qc8# or 1…Nc6 2 Qb7# or 1…Nc7 2 Qd8#Last week’s winner Peter Clarridge, Swanley, Kent