Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: pawn to c4 (d3·3)
Attack on the uncastled king: pawn to f4 (g3·10)
Attack on the uncastled king: queen to d4 (d2)
Attack on the uncastled king: queen to b5 (a5)
Winning blow: king to c2
Attack on the uncastled king: knight to a1
Attack on the uncastled king: knight to a5 (b3·3)
Attack on the uncastled king: queen to g5 (d2)
Attack on the uncastled king: pawn to f5 (e4·7)
Attack on the uncastled king: knight to h5 (f4)
Attack on the uncastled king: pawn to e7 (d6)
Winning blow: bishop to g6 (d3)
Winning blow: queen to e7
Attack on the uncastled king: knight to e4 (g5)
Attack on the uncastled king: pawn to f5 (e4·8)
Attack on the uncastled king: rook to f8 (f1·3)
Winning blow: queen to a6
Attack on the uncastled king: pawn to c3 (b2·5)
Attack on the uncastled king: bishop to h8 (d4·2)
Attack on the uncastled king: bishop to a4 (d1·3)
Winning blow: queen to h6
Attack on the uncastled king: knight to d4 (b3)
Attack on the uncastled king: bishop to d8 (a5)
Winning blow: knight to c7 (b5)
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