Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: knight to e7 (f5·10)
Winning blow: rook to d8 (d3)
Attack on the uncastled king: rook to f8 (f1·13)
Winning blow: knight to d6 (b5·3)
Attack on the uncastled king: knight to f3 (h4)
Winning blow: queen to g3 (d3)
Attack on the uncastled king: pawn to e5 (f4·89)
Attack on the uncastled king: pawn to e5 (d4·107)
Winning blow: rook to h6 (h7)
Attack on the uncastled king: king to f3 (f2·2)
Winning blow: knight to b5 (d6·2)
Winning blow: rook to e4 (g4)
Attack on the uncastled king: bishop to a6 (f1·13)
Winning blow: knight to d1 (e3)
Attack on the uncastled king: queen to e6 (e2)
Attack on the uncastled king: rook to f6 (b6)
Winning blow: bishop to d7 (h3·2)
Attack on the uncastled king: bishop to d5 (b3·3)
Attack on the uncastled king: bishop to c3 (d4)
Winning blow: rook to c6 (c3)
Winning blow: rook to f5 (f1·5)
Attack on the uncastled king: rook to g1 (f1·4)
Attack on the uncastled king: pawn to e6 (d5·35)
Attack on the uncastled king: queen to g7 (c3·2)
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