[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "kbK5/pp6/1P6/8/8/8/R7/8 w - - 0 1"] [PlyCount "3"] 1. Ra6 $1 {Preventing ...a6. Black is in zugzwang.} bxa6 (1... Bd6 {or any other bishop move} 2. Rxa7#) 2. b7# 1-0