Example image of eyePlorer eyePlorer map for 'Smothered mate': Checkmate Chess King (chess) Knight (chess) Check (chess) Rook (chess) Castling Glossary of chess Sacrifice (chess) Jan Timman Nigel Short Tilburg Double check Queen (chess) François-André Danican Philidor Luis Ramirez de Lucena Chess opening Budapest Gambit Pin (chess) Blackburne Shilling Gambit Joseph Henry Blackburne Shilling Caro-Kann Defence Palma, Majorca Simultaneous exhibition Chess master Edward Lasker Israel Albert Horowitz New York City Olympiad Siegen Wolfgang Unzicker Checkmates in the opening Gioachino Greco Queen sacrifice Mortimer Trap The Game of the Century (chess)