Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: rook to e2
Attack on the uncastled king: queen to g3 (f2)
Attack on the uncastled king: knight to d4 (b3·3)
Attack on the uncastled king: queen to b7 (a6)
Attack on the uncastled king: pawn to c5 (b4·7)
Winning blow: pawn to c6 (d5)
Attack on the uncastled king: king to g2 (g1·2)
Attack on the uncastled king: pawn to g5 (f4·7)
Winning blow: queen to e8
Winning blow: rook to c5
Attack on the uncastled king: pawn to e5 (f4·20)
Attack on the uncastled king: bishop to c4 (e2·2)
Attack on the uncastled king: bishop to g5 (e3)
Winning blow: pawn to f5 (e4·3)
Winning blow: pawn to b3 (a2)
Attack on the uncastled king: rook to f8 (f1·4)
Winning blow: pawn to a5
Attack on the uncastled king: bishop to f5 (b1·4)
Winning blow: rook to a1 (d1)
Attack on the uncastled king: rook to a4 (a1·4)
Attack on the uncastled king: king to e2 (d1·2)
Winning blow: knight to b5 (c3)
Attack on the uncastled king: pawn to f5 (g4·4)
Attack on the uncastled king: queen to h1 (f3)
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