Chess960 puzzles: Back-rank mate
The king is locked behind its own pawns — a heavy piece strikes the last rank.
479 puzzles
Attack on the uncastled king: queen to e8 (e5·2)
Attack on the uncastled king: rook to d8 (d1)
Attack on the uncastled king: rook to f8 (f1)
Attack on the uncastled king: rook to b8
Mate in 1: rook to e8
Back-rank mate in 2 on d1 (d8)
Back-rank mate in 2 on d1 (d6)
Back-rank mate in 2 on d1 (d3)
Mate in 2: pin on d8
Back-rank mate in 2 on d1 (d7)
Mate in 2: queen to d1
Back-rank mate in 1 on d1
Back-rank mate in 2 on c8
Mate in 1: queen to a8
Mate in 2: queen to f2
Back-rank mate in 2 on a8
Back-rank mate in 2 on d8
Mate in 2: queen to d1 (g4)
Back-rank mate in 2 on e8 (e2)
Back-rank mate in 1 on a8
Back-rank mate in 2 on e1 (e5)
Mate in 1: queen to e1 (e4)
Back-rank mate in 2 on a1 (a8)
Mate in 1: queen to e1 (c3)