[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "White to play"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "k7/1ppqp2r/7p/1p1N4/4P3/2P5/8/1K3R1R w - - 0 1"] [PlyCount "5"] [EventDate "2008.08.11"] [SourceVersionDate "2020.04.01"] {[#]} 1. Nb6+ (1. Rf8+ {This is the first obvious try but after} Ka7 2. Kc2 b6 3. Ra1+ Kb7 4. Rfa8 {Black's king has an escape route via c6.}) 1... cxb6 { Now Black cannot play b7-b6.} 2. Rf8+ Ka7 3. Kc2 {Black cannot prevent Ra1 mate } *