[Event "?"]  [Site "?"]  [Date "2017.06.21"]  [Round "?"]  [White "Tactics #61"]  [Black "   Berry - Seglins, USA, 1968   "]  [Result "*"]  [SetUp "1"]  [FEN "r4rk1/3qbpp1/3p3p/1ppP4/2P1B3/2BQ2Pb/1P2PR1P/R5K1 w - - 0 1"]  [PlyCount "9"]   1. Bh7+ {[pgndiagram] This check is important part of the combination. Black  has to go to h8, and White takes on g7 with check} Kh8 2. Bxg7+ $1 Kxg7 3.  Rxf7+ $1 {[pgndiagram] A decisive sacrifice that wins in all variations}   (3.  Rxa8 {Is also decisive}) 3... Rxf7   (3... Kh8 4. Qc3+ Bf6 5. Qxf6# {[pgndiagram]  Is checkmate}) 4. Qg6+ Kh8 5. Rxa8+ {[pgndiagram] And White mates soon} *