Chess960 puzzles: Back-rank mate
The king is locked behind its own pawns — a heavy piece strikes the last rank.
479 puzzles
Mate in 3: pin on g2
Back-rank mate in 3 on e7
Mate in 2: pin on f5
Mate in 2: pin on e8 (e1)
Mate in 2: pin on e1
Back-rank mate in 2 on d2 (f3)
Back-rank mate in 3 on e1
Mate in 3: pin on b5
Mate in 3: pin on g2 (d2)
Attack on the uncastled king: rook to a8 (a1·7)
Mate in 2: queen to h7 (f5·4)
Mate in 2: pin on f2
Mate in 2: pin on f2 (f5)
Attack on the uncastled king: queen to h8 (g7·7)
Attack on the uncastled king: queen to h8 (h7·6)
Attack on the uncastled king: queen to f6 (a1·10)
Attack on the uncastled king: rook to b8 (b3·4)
Attack on the uncastled king: queen to f8 (g8·7)
Mate in 3: queen to f8 (f6)
Attack on the uncastled king: queen to e8 (b8·3)
Attack on the uncastled king: queen to h4 (h1·3)
Attack on the uncastled king: knight to f7 (e5·26)
Mate in 3: knight to f7 (d8)
Attack on the uncastled king: queen to d3 (h7)