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: rook to c8 (c3·3)
Attack on the uncastled king: queen to f8 (f1·5)
Mate in 2: rook to c8 (c5·2)
Attack on the uncastled king: bishop to e6 (d5·3)
Attack on the uncastled king: rook to e8 (e2·2)
Mate in 2: knight to d7 (e5)
Mate in 2: fork on f7
Mate in 3: queen to f2
Back-rank mate in 3 on d7
Mate in 2: rook to e8 (e3·3)
Mate in 2: deflection on f2
Back-rank mate in 3 on f7 (c7)
Back-rank mate in 3 on f2 (f5)
Back-rank mate in 3 on a8 (f3)
Back-rank mate in 3 on d1
Back-rank mate in 3 on f2 (f6·2)
Mate in 3: deflection on e8 (e1)
Back-rank mate in 2 on a8 (c6)
Back-rank mate in 3 on f2 (c2·2)
Back-rank mate in 3 on e8
Mate in 2: deflection on f2 (h4)
Mate in 2: discovered attack on f7
Back-rank mate in 3 on f2 (f7·2)
Back-rank mate in 3 on f2 (b6·4)