Chess960 puzzles: Two-bishop mate
The bishop pair sweeps two adjacent diagonals — the king has nowhere to hide.
66 puzzles
Attack on the uncastled king: queen to h8 (b2·4)
Mate in 3: rook to f4 (f1)
Mate in 3: bishop to d8
Mate in 3: rook to d8 (d2)
Mate in 3: bishop to f6 (g5)
Attack on the uncastled king: bishop to f6 (e7)
Mate in 3: rook to f1 (d1·2)
Mate in 3: queen to d7 (h3)
Mate in 3: bishop to f6 (a1·3)
Mate in 3: pawn to b3 (c2)
Mate in 3: bishop to e6 (c4·2)
Mate in 3: queen to e6 (b6)
Mate in 3: rook to d8 (d5·2)
Attack on the uncastled king: bishop to e6 (d7·2)
Mate in 3: rook to b7 (b5·2)
Mate in 2: pawn to b4 (b5)
Mate in 2: bishop to f7 (g8·2)
Mate in 2: rook to b8 (b6·2)
Mate in 2: queen to c8 (a6·4)
Mate in 3: bishop to c7 (b8)
Attack on the uncastled king: queen to d6 (c5)
Mate in 3: bishop to c5 (g1·2)
Mate in 3: pawn to b7 (b6)
Mate in 3: knight to e7 (f5·4)