Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: bishop to e3 (f4)
Attack on the uncastled king: queen to f6 (h4)
Attack on the uncastled king: bishop to g7 (a1·9)
Attack on the uncastled king: pawn to d4 (c3·38)
Winning blow: bishop to f5 (b1)
Winning blow: knight to f5 (e3·5)
Attack on the uncastled king: bishop to c3 (a1)
Attack on the uncastled king: queen to h1 (h2)
Winning blow: knight to f5 (g3·3)
Attack on the uncastled king: queen to g7 (a1·6)
Attack on the uncastled king: bishop to c6 (h1·8)
Attack on the uncastled king: bishop to g7 (h6·5)
Winning blow: knight to c5 (a6)
Attack on the uncastled king: pawn to f4 (g3·52)
Winning blow: knight to d5 (c3·2)
Winning blow: knight to b7 (a5)
Attack on the uncastled king: queen to b2 (b1·4)
Attack on the uncastled king: pawn to b3 (a2·29)
Winning blow: pawn to b3 (a2·6)
Winning blow: bishop to f5 (c2)
Attack on the uncastled king: queen to d4 (a1·9)
Attack on the uncastled king: pawn to b6 (a5·19)
Winning blow: bishop to e5 (a1·2)
Attack on the uncastled king: bishop to f6 (a1·19)
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