Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: rook to c8 (c1·7)
Attack on the uncastled king: knight to d6 (e4·8)
Attack on the uncastled king: king to f2 (e1·8)
Attack on the uncastled king: rook to c4 (c1·7)
Winning blow: knight to e7 (f5·3)
Winning blow: rook to c3
Winning blow: knight to e8 (f6)
Attack on the uncastled king: rook to b8 (b3)
Winning blow: queen to g7 (e5)
Attack on the uncastled king: queen to b7 (h1·10)
Winning blow: knight to e5 (d3·3)
Attack on the uncastled king: bishop to g8 (c4·5)
Winning blow: queen to e1 (h1)
Attack on the uncastled king: rook to g8 (g1·3)
Winning blow: bishop to d6 (e5)
Attack on the uncastled king: knight to c4 (d2·6)
Attack on the uncastled king: queen to g7 (a1·7)
Winning blow: knight to f8 (e6·3)
Attack on the uncastled king: knight to c7 (d5·15)
Winning blow: bishop to h7 (g6)
Winning blow: knight to c8 (e7·3)
Attack on the uncastled king: bishop to d6 (b4)
Winning blow: queen to a6 (a7·2)
Winning blow: pawn to c7 (b6·2)
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