[Event "No. 2707 Tactic: Chess, Combination"] [Site "www.masterchessopen.com"] [Round "0"] [White "Mate in two"] [Black "White to move"] [FEN "8/8/8/4n3/4Q3/1Pk1p3/4K3/1R6 w - - 0 1"] [ECO "A00"] [Opening "Polish (Sokolsky; Orang-Utan)"] 1. b4 *