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
advanced
Rating 2003
discoveredCheckdoubleCheckendgame
advanced
Rating 2004
discoveredCheckdoubleCheckmate
advanced
Rating 2007
discoveredAttackdiscoveredCheckendgame
advanced
Rating 2012
endgameexposedKinglong
advanced
Rating 2015
attractionkingsideAttacklong
advanced
Rating 2018
endgamematemateIn2
advanced
Rating 2032
discoveredCheckdoubleCheckendgame
advanced
Rating 2044
discoveredAttackdiscoveredCheckexposedKing
advanced
Rating 2064
matemateIn2middlegame
advanced
Rating 2067
attractionmatemateIn5
advanced
Rating 2079
clearancelongmate
advanced
Rating 2108
discoveredCheckdoubleCheckendgame
advanced
Rating 2113
endgameexposedKinglong
advanced
Rating 2113
matemateIn2middlegame
advanced
Rating 2129
matemateIn2middlegame
advanced
Rating 2180
endgameexposedKingmate
advanced
Rating 2238
attractionkingsideAttackmate
advanced
Rating 2273
deflectionforklong
advanced
Rating 2275
advancedPawnendgameexposedKing
advanced
Rating 2292
discoveredAttackdiscoveredCheckmate
advanced
Rating 2350
attractionkingsideAttacklong
advanced
Rating 2372
epauletteMatemastermasterVsMaster
advanced
Rating 2383
deflectionkingsideAttacklong
advanced
Rating 2434
discoveredAttackdiscoveredCheckmate
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