Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: pawn to c5 (d4·60)
Winning blow: queen to d8 (d7·2)
Winning blow: knight to g8 (f6)
Attack on the uncastled king: queen to e7 (b4·2)
Winning blow: rook to c1 (h1·2)
Attack on the uncastled king: bishop to e5 (a1·23)
Winning blow: rook to h8 (h7·5)
Winning blow: rook to a1 (f1·3)
Attack on the uncastled king: rook to a8 (a1·4)
Winning blow: queen to f6 (a1·3)
Winning blow: pawn to e3 (d2·10)
Winning blow: rook to e8 (e1·10)
Winning blow: knight to c5 (b3·8)
Winning blow: knight to c5 (d7·2)
Attack on the uncastled king: queen to b8 (a7·17)
Attack on the uncastled king: bishop to b3 (c2·4)
Winning blow: rook to d7 (c7·5)
Winning blow: rook to e6 (e1·12)
Winning blow: queen to b7 (a7·4)
Winning blow: pawn to d6 (c5·8)
Winning blow: pawn to f4 (e3·9)
Attack on the uncastled king: queen to f6 (f2·3)
Attack on the uncastled king: rook to a8 (a1·5)
Winning blow: rook to b4 (g4·2)
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