Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: rook to g1 (d1)
Attack on the uncastled king: bishop to a8 (f3·4)
Attack on the uncastled king: pawn to b3 (a2·23)
Winning blow: rook to h1 (g1·3)
Attack on the uncastled king: pawn to e3 (f2·11)
Attack on the uncastled king: knight to h5 (g3·15)
Winning blow: rook to g1 (h1)
Attack on the uncastled king: pawn to e5 (f4·63)
Winning blow: bishop to c7 (g3)
Attack on the uncastled king: queen to b3 (c2)
Attack on the uncastled king: bishop to e6 (c4·2)
Winning blow: queen to h5 (d1)
Winning blow: queen to h8 (h7·2)
Attack on the uncastled king: knight to h2 (f1·7)
Winning blow: pawn to f5 (e4·7)
Attack on the uncastled king: queen to f7 (c4)
Winning blow: queen to b4 (a3)
Winning blow: pawn to c5 (b4·5)
Attack on the uncastled king: pawn to f4 (e3·33)
Attack on the uncastled king: pawn to d5 (c4·84)
Attack on the uncastled king: bishop to g2 (f1·6)
Winning blow: bishop to c2 (b3)
Attack on the uncastled king: pawn to f3 (e2·10)
Winning blow: rook to d1 (e1·2)
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