[Event "Авербах: Самоучитель: Мат ладьей: Упражнение 4"] [Site "https://live.chess-online.com/study/D1EoQBs1/ow1m4yFv"] [Result "*"] [Variant "Standard"] [ECO "?"] [Opening "?"] [Annotator "https://live.chess-online.com/@/system"] [StudyName "Авербах: Самоучитель: Мат ладьей"] [ChapterName "Упражнение 4"] [FEN "8/8/8/8/8/8/4K1k1/R7 w - - 0 1"] [SetUp "1"] [UTCDate "2021.05.10"] [UTCTime "20:01:01"] [Source "https://live.chess-online.com/study/D1EoQBs1/ow1m4yFv"] [Orientation "white"] { Мат в 4 хода } *