Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: pawn to h3
Attack on the uncastled king: pawn to e4 (f3·9)
Attack on the uncastled king: queen to f7 (g7)
Attack on the uncastled king: pawn to e5 (f4·22)
Attack on the uncastled king: bishop to e5 (a1·6)
Attack on the uncastled king: pawn to c5 (b4·8)
Attack on the uncastled king: bishop to g7 (a1)
Attack on the uncastled king: queen to e8 (b5)
Winning blow: queen to a8 (d8)
Attack on the uncastled king: bishop to a4 (b5)
Attack on the uncastled king: bishop to h8 (a1·7)
Attack on the uncastled king: queen to e5 (a1·4)
Attack on the uncastled king: queen to g7 (a1·2)
Attack on the uncastled king: knight to e4 (c3·2)
Winning blow: queen to c3 (a1·3)
Attack on the uncastled king: pawn to d6 (c5·11)
Attack on the uncastled king: bishop to h2 (g3)
Attack on the uncastled king: rook to h5 (h1·2)
Attack on the uncastled king: queen to b3 (d1)
Attack on the uncastled king: queen to e4 (b1·2)
Attack on the uncastled king: rook to g4 (g1·3)
Attack on the uncastled king: rook to c1 (a1)
Winning blow: pawn to f5 (e4·4)
Attack on the uncastled king: queen to h7 (b1)
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