[Event "Start Analysis Engine to see Solution No. 473 Tactic: Chess, Puzzels"] [Site "Cleanchess.com"] [Date "2015.07.01"] [Round "0"] [White "Mate in two"] [Black "White to move"] [FEN "2r1Rn1k/qp4pp/p7/5p2/2rP4/1B4P1/P1P1QP1P/6K1 w - - 0 1"] 1.Qxc4 { threatening Qg8No. (No. 1) } 1...a5 ( 1...Rxc4 ) *