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
developing
Rating 1587
clearanceendgamemate
developing
Rating 1592
discoveredCheckdoubleCheckmaster
developing
Rating 1594
endgamekingsideAttackmate
developing
Rating 1596
kingsideAttackmatemateIn2
developing
Rating 1599
attractionkingsideAttacklong
challenging
Rating 1600
clearancekingsideAttackmate
challenging
Rating 1607
endgamemastermate
challenging
Rating 1612
matemateIn1middlegame
challenging
Rating 1615
discoveredCheckdoubleCheckmate
challenging
Rating 1618
attractionlongmate
challenging
Rating 1621
epauletteMatekingsideAttackmate
challenging
Rating 1622
endgamelongmate
challenging
Rating 1623
endgamematemateIn2
challenging
Rating 1630
matemateIn2middlegame
challenging
Rating 1633
kingsideAttackmatemateIn2
challenging
Rating 1635
discoveredCheckdoubleCheckendgame
challenging
Rating 1636
attractiondiscoveredCheckdoubleCheck
challenging
Rating 1645
endgamematemateIn2
challenging
Rating 1647
attractionkingsideAttacklong
challenging
Rating 1648
matemateIn2middlegame
challenging
Rating 1649
endgamematemateIn2
challenging
Rating 1654
clearancekingsideAttackmate
challenging
Rating 1660
endgamematemateIn2
challenging
Rating 1660
endgamelongmate
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