Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: knight to g5 (e4·2)
Attack on the uncastled king: rook to b5 (b1·4)
Attack on the uncastled king: rook to b8 (b1·8)
Winning blow: knight to e4 (c3·3)
Attack on the uncastled king: bishop to g7 (a1·7)
Attack on the uncastled king: pawn to g3 (h2·22)
Attack on the uncastled king: pawn to c4 (d3·28)
Winning blow: bishop to h8 (f6)
Attack on the uncastled king: knight to b7 (d8)
Attack on the uncastled king: pawn to e4 (d3·50)
Winning blow: bishop to h3
Winning blow: rook to b8 (b4)
Attack on the uncastled king: knight to f5 (d4·4)
Attack on the uncastled king: knight to e2 (c1·2)
Attack on the uncastled king: queen to f4 (f2)
Attack on the uncastled king: queen to e6 (e4·3)
Winning blow: rook to f1 (d1)
Attack on the uncastled king: knight to f1 (h2)
Attack on the uncastled king: queen to e4 (b1·9)
Attack on the uncastled king: queen to a5 (a6)
Attack on the uncastled king: bishop to b8 (h2·2)
Winning blow: knight to e3 (d1)
Attack on the uncastled king: pawn to c4 (d3·30)
Winning blow: rook to e3 (e1·2)
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