[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Mate in 4"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "R1R5/1r3ppk/4p2p/3pP3/1r2qPP1/7P/1P1Q3K/8 w - - 0 1"] [PlyCount "7"] [SourceVersionDate "2020.04.01"] {[#]} {This is the end of Bronstein - Kotov 1946.} 1. Rh8+ Kg6 2. f5+ exf5 ( 2... Qxf5 3. Qxh6+ gxh6 4. Rag8#) 3. Qxh6+ gxh6 4. Rag8# *