Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: rook to f2
Attack on the uncastled king: pawn to g5 (f4·21)
Attack on the uncastled king: pawn to d7
Winning blow: bishop to d6 (a3)
Winning blow: king to d1 (e1)
Attack on the uncastled king: pawn to d4 (e3·23)
Winning blow: rook to a8
Attack on the uncastled king: queen to g2 (g1·4)
Attack on the uncastled king: pawn to g3 (h2·15)
Attack on the uncastled king: queen to d4 (d1·5)
Winning blow: knight to h7
Winning blow: king to a1
Winning blow: bishop to g6 (b1·2)
Winning blow: knight to c8 (d6·2)
Attack on the uncastled king: pawn to d4 (e3·24)
Attack on the uncastled king: rook to d8 (d1·7)
Attack on the uncastled king: rook to c2 (c1·3)
Winning blow: queen to f8
Attack on the uncastled king: bishop to c4 (a2)
Attack on the uncastled king: queen to g7 (a1·4)
Winning blow: queen to e8 (b5)
Attack on the uncastled king: bishop to d6 (f4·2)
Attack on the uncastled king: king to f2 (e1·5)
Attack on the uncastled king: pawn to g5 (f4·24)
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