Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: king to c2 (b1·8)
Winning blow: king to h1 (g1)
Winning blow: pawn to g3 (g2·2)
Attack on the uncastled king: king to f2 (e1·10)
Winning blow: king to b2 (c1·6)
Attack on the uncastled king: knight to d2 (f3·3)
Attack on the uncastled king: rook to g2 (g1·6)
Attack on the uncastled king: knight to d1 (e3)
Winning blow: king to b2 (c2)
Winning blow: king to b1 (c1)
Winning blow: king to b1 (a2)
Winning blow: king to g1 (h1)
Winning blow: king to d2 (e1·6)
Winning blow: king to f1 (g1·9)
Winning blow: king to g1 (g2)
Winning blow: rook to f2 (b2)
Winning blow: king to e1 (f1·5)
Attack on the uncastled king: king to e3
Winning blow: pawn to d3 (d2)
Winning blow: bishop to d2 (a5)
Winning blow: king to f1 (f2)
Attack on the uncastled king: knight to c2 (e1·3)
Attack on the uncastled king: king to a2 (b1·2)
Attack on the uncastled king: knight to c2 (b4)
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