Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: pawn to c7 (b6·3)
Winning blow: rook to e3 (e1·4)
Winning blow: pawn to c4 (b3·5)
Attack on the uncastled king: pawn to c4 (d3·36)
Winning blow: queen to d6 (d7)
Winning blow: pawn to d5 (c4·8)
Winning blow: knight to c5 (a4·2)
Winning blow: rook to c5 (b5)
Winning blow: queen to c6 (c2)
Winning blow: pawn to c4 (d3·3)
Winning blow: rook to h8 (c8)
Winning blow: rook to a8 (a1·6)
Winning blow: knight to d6 (e4·3)
Attack on the uncastled king: pawn to e3 (f2·18)
Winning blow: bishop to h1 (f3)
Winning blow: queen to h5 (e5)
Attack on the uncastled king: knight to c7 (b5·24)
Winning blow: knight to e5 (g4)
Winning blow: king to g2 (f1·3)
Attack on the uncastled king: bishop to b7 (d5)
Winning blow: bishop to e6 (a2)
Attack on the uncastled king: pawn to c4 (d3·37)
Winning blow: rook to f4 (f1·2)
Winning blow: rook to d1 (h1·2)
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