Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: rook to a5 (a1·8)
Winning blow: queen to b5 (b6·2)
Winning blow: queen to d6 (d3·3)
Winning blow: queen to f5 (e6)
Attack on the uncastled king: rook to d1 (f1·6)
Winning blow: rook to d8 (d1·16)
Winning blow: rook to f8 (a8·2)
Winning blow: queen to e5 (g5·2)
Attack on the uncastled king: bishop to h6 (e3·4)
Attack on the uncastled king: queen to b6 (b4·2)
Winning blow: knight to f6 (d7·2)
Attack on the uncastled king: queen to c1 (a1·3)
Winning blow: rook to f8 (c8·3)
Winning blow: knight to e5 (c4·6)
Attack on the uncastled king: knight to b7 (c5·20)
Winning blow: bishop to a6 (c4)
Attack on the uncastled king: pawn to d5 (c4·115)
Winning blow: bishop to d4 (b2·5)
Winning blow: bishop to f2 (g1·7)
Winning blow: knight to b6 (c4·10)
Attack on the uncastled king: knight to e4 (d2·6)
Attack on the uncastled king: pawn to b5 (c4·33)
Attack on the uncastled king: knight to f2 (d3·4)
Attack on the uncastled king: queen to b4 (b1·7)
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