Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: rook to d4 (d1)
Attack on the uncastled king: king to g1 (f2)
Attack on the uncastled king: pawn to f5 (g4·19)
Attack on the uncastled king: rook to b4 (b1·5)
Attack on the uncastled king: bishop to b6 (f2·3)
Attack on the uncastled king: pawn to g7 (h6·2)
Winning blow: knight to d7 (f6)
Attack on the uncastled king: pawn to e6 (d5·32)
Attack on the uncastled king: queen to a2 (b2)
Winning blow: pawn to a3 (b2·4)
Attack on the uncastled king: king to d2 (d1)
Winning blow: bishop to b8 (h2)
Attack on the uncastled king: knight to a4 (c5·3)
Attack on the uncastled king: king to c3 (d2·3)
Attack on the uncastled king: pawn to b5 (a4·30)
Attack on the uncastled king: rook to f5 (f2)
Attack on the uncastled king: bishop to h5 (e2·4)
Attack on the uncastled king: bishop to f4 (c1·26)
Winning blow: knight to g5 (f3)
Winning blow: queen to f2 (f1)
Winning blow: pawn to f6 (g5·2)
Winning blow: queen to c6 (c5)
Winning blow: bishop to d4 (f2·2)
Winning blow: pawn to g3 (h2·6)
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