Chess960 puzzles: Back-rank mate
The king is locked behind its own pawns — a heavy piece strikes the last rank.
479 puzzles
Mate in 2: queen to g8 (g2)
Mate in 2: bishop to f7
Attack on the uncastled king: queen to d8 (d5)
Mate in 2: queen to g8 (g6)
Attack on the uncastled king: rook to f8 (g8·3)
Attack on the uncastled king: rook to g8 (g1·7)
Mate in 2: rook to f8 (g8)
Attack on the uncastled king: rook to c8 (c1·16)
Attack on the uncastled king: queen to c8 (a8)
Attack on the uncastled king: queen to f8 (g8·3)
Attack on the uncastled king: bishop to g6 (e4·4)
Attack on the uncastled king: rook to e8 (e1·14)
Attack on the uncastled king: queen to f8 (e7·2)
Attack on the uncastled king: queen to g8 (c4·3)
Attack on the uncastled king: queen to a8 (b7·5)
Attack on the uncastled king: queen to f8 (f1·4)
Mate in 2: knight to e7 (d5)
Mate in 2: bishop to c6
Attack on the uncastled king: rook to b8 (b3·3)
Mate in 2: queen to b8 (b7)
Attack on the uncastled king: queen to f8 (f2·2)
Attack on the uncastled king: queen to e8 (e2·4)
Attack on the uncastled king: rook to e8 (e1·15)
Attack on the uncastled king: rook to c8 (c1·19)