Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: knight to f7 (g5·20)
Winning blow: knight to d4 (b3)
Winning blow: knight to e5 (f3·2)
Winning blow: knight to e5 (d3·2)
Winning blow: queen to f6 (g7·2)
Winning blow: king to e1 (f1·3)
Attack on the uncastled king: rook to a8 (a7)
Attack on the uncastled king: queen to d4 (f2·5)
Attack on the uncastled king: rook to e1 (b1)
Attack on the uncastled king: bishop to c6 (h1·10)
Winning blow: rook to c1
Attack on the uncastled king: pawn to d7 (e6·2)
Winning blow: bishop to g4 (e2)
Attack on the uncastled king: queen to b8 (a7·15)
Winning blow: bishop to f7 (a2)
Winning blow: pawn to a5 (b4)
Winning blow: rook to f6 (d6)
Attack on the uncastled king: rook to f5 (f1·5)
Winning blow: knight to e6 (f8)
Attack on the uncastled king: pawn to f5 (g4·21)
Attack on the uncastled king: bishop to b2 (a1·8)
Winning blow: pawn to e5 (f4·10)
Winning blow: knight to e6 (g7·2)
Winning blow: queen to g8 (g7)
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