Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: pawn to d5 (e4·62)
Winning blow: knight to f3
Winning blow: knight to c3
Attack on the uncastled king: queen to h7 (h1)
Attack on the uncastled king: knight to h1 (g3·2)
Winning blow: queen to c6 (f3)
Winning blow: rook to h2 (h1)
Attack on the uncastled king: bishop to a8 (h1·17)
Attack on the uncastled king: pawn to b3 (c2·9)
Attack on the uncastled king: pawn to e3 (d2·6)
Attack on the uncastled king: queen to h8 (b2·2)
Attack on the uncastled king: knight to c8 (a7)
Attack on the uncastled king: pawn to d3 (e2·7)
Attack on the uncastled king: rook to d4 (d1·8)
Attack on the uncastled king: queen to f1 (e1)
Attack on the uncastled king: knight to h2 (f3·3)
Winning blow: pawn to d4 (c3)
Attack on the uncastled king: pawn to c5 (d4·32)
Winning blow: queen to h6 (h3)
Attack on the uncastled king: bishop to g5 (c1·5)
Attack on the uncastled king: bishop to a8 (h1·22)
Attack on the uncastled king: queen to c8 (g4)
Attack on the uncastled king: queen to h2 (h1·2)
Attack on the uncastled king: bishop to f3 (h1·2)
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