Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Back-rank mate in 2 on f2
Mate in 1: queen to g2 (g3·3)
Back-rank mate in 2 on e2 (f4)
Attack on the uncastled king: queen to f7 (a2)
Mate in 1: queen to b5
Attack on the uncastled king: queen to e7 (e2·5)
Mate in 1: bishop to e6 (f7)
Mate in 1: knight to f7 (h6·2)
Fork: knight to e2 (c3·3)
Back-rank mate in 2 on e2 (f4·2)
Back-rank mate in 2 on d8 (d7)
Fork: bishop to d4
Mate in 2: rook to d8 (d1·2)
Mate in 2: pawn to g6
Mate in 2: queen to e1 (b4)
Mate in 1: queen to g8 (b8)
Skewer: rook to d1 (e1)
Mate in 2: knight to f6 (e4)
Mate in 1: queen to g7 (g3·4)
Fork: knight to g3 (f5)
Mate in 2: rook to c1 (c7·2)
Mate in 2: knight to f6 (e4·2)
Fork: pawn to e5
Mate in 1: queen to h7 (h3·3)
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