Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: king to c2 (d1·19)
Attack on the uncastled king: rook to c3 (a3·3)
Winning blow: rook to e7 (e1·13)
Winning blow: king to f1 (e1·17)
Winning blow: knight to f3 (e5)
Winning blow: king to a2 (b1·28)
Winning blow: king to b2 (c1·23)
Attack on the uncastled king: king to b2 (b3)
Winning blow: king to f1 (g2·3)
Winning blow: king to a1 (b1·17)
Winning blow: pawn to f7 (f6·10)
Attack on the uncastled king: queen to g2 (g1·9)
Winning blow: knight to e2 (c3·5)
Winning blow: bishop to f4 (g3·2)
Attack on the uncastled king: queen to a7 (g1·4)
Winning blow: king to e2 (d1·22)
Winning blow: pawn to f6 (f5·4)
Winning blow: pawn to c7 (c6·7)
Attack on the uncastled king: pawn to g3 (g2·6)
Winning blow: king to g2 (f1·15)
Winning blow: king to a2 (b2·2)
Winning blow: king to c4 (b3·2)
Winning blow: king to h2 (g1·28)
Winning blow: king to b2 (c1·24)
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