Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: king to a1 (b1·5)
Winning blow: king to e2 (f3·2)
Winning blow: king to a2 (b1·2)
Winning blow: pawn to c6 (c5·2)
Winning blow: bishop to g3 (f4)
Winning blow: king to g1 (f2)
Winning blow: bishop to e2 (b5)
Winning blow: king to c1 (d1·5)
Winning blow: pawn to e4 (e3)
Winning blow: bishop to d2 (e1)
Winning blow: king to f1 (e1·4)
Winning blow: king to g3 (f2·2)
Winning blow: king to d3 (d2)
Winning blow: king to b2 (c1·9)
Winning blow: king to d1 (e1·3)
Winning blow: king to d3 (e3)
Winning blow: king to a2 (b1·4)
Attack on the uncastled king: king to e2 (e1·2)
Winning blow: king to b1 (c1·6)
Winning blow: king to h1 (g1·5)
Winning blow: king to c1 (d2)
Attack on the uncastled king: king to d1 (e1·4)
Winning blow: king to a1 (b1·6)
Attack on the uncastled king: king to b1 (c1·5)
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