Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: queen to d1
Attack on the uncastled king: bishop to b8 (f4·5)
Attack on the uncastled king: pawn to h5 (g4·3)
Attack on the uncastled king: queen to b2 (a1)
Winning blow: rook to b2
Winning blow: rook to d5 (d1·2)
Attack on the uncastled king: rook to g4 (f4)
Attack on the uncastled king: knight to d3 (f4)
Attack on the uncastled king: pawn to f4 (e3·10)
Attack on the uncastled king: rook to a7 (a1)
Attack on the uncastled king: rook to h5 (h1)
Attack on the uncastled king: king to f3 (f2)
Winning blow: rook to c4 (c1)
Attack on the uncastled king: queen to d4 (a1·3)
Winning blow: pawn to f4 (g3·2)
Winning blow: knight to h5 (g3)
Attack on the uncastled king: bishop to a5 (c3·2)
Winning blow: rook to f1
Attack on the uncastled king: pawn to g7 (h6)
Attack on the uncastled king: pawn to e5 (d4·31)
Winning blow: pawn to g3 (f2·2)
Attack on the uncastled king: queen to f3 (e2·2)
Attack on the uncastled king: rook to c2 (d2)
Attack on the uncastled king: pawn to b5 (c4·11)
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