435 real-game puzzles in this collection
What is a opera mate?
Named after Morphy’s famous opera-house game: a rook (or queen) mates along the back rank or central file while a bishop pins or covers the diagonal escape.
How to spot it
A bishop slicing toward the king’s escape diagonal plus a heavy piece owning the open file — when both lines meet at the king, the mate is there.
What this set trains
A pattern that teaches piece harmony: two long-range pieces covering complementary lines.
Foundation: 255Developing: 86Challenging: 67Advanced: 27
challenging
Rating 1777
attractiondiscoveredCheckdoubleCheck
challenging
Rating 1784
endgamematemateIn2
challenging
Rating 1800
kingsideAttackmatemateIn2
challenging
Rating 1806
attractionmatemateIn2
challenging
Rating 1806
matemateIn2middlegame
challenging
Rating 1807
matemateIn2middlegame
challenging
Rating 1809
advancedPawnforkmate
challenging
Rating 1824
discoveredCheckdoubleCheckmate
challenging
Rating 1832
attractionkingsideAttacklong
challenging
Rating 1833
matemateIn2middlegame
challenging
Rating 1846
attractionmatemateIn4
challenging
Rating 1863
endgamematemateIn2
challenging
Rating 1866
endgameexposedKingfork
challenging
Rating 1866
matemateIn2opening
challenging
Rating 1876
matemateIn2middlegame
challenging
Rating 1890
matemateIn2middlegame
challenging
Rating 1921
discoveredCheckdoubleCheckmate
challenging
Rating 1926
blindSwineMatematemateIn2
challenging
Rating 1932
endgameexposedKingfork
challenging
Rating 1947
matemateIn2middlegame
challenging
Rating 1950
exposedKinglongmate
challenging
Rating 1972
endgamematemateIn2
challenging
Rating 1986
mastermatemateIn2
challenging
Rating 1996
attractionkingsideAttacklong
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