Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: king to c1 (b1)
Attack on the uncastled king: knight to f5 (e3·8)
Attack on the uncastled king: knight to f5 (e3·9)
Attack on the uncastled king: queen to e4 (e1·5)
Attack on the uncastled king: pawn to b3 (c2·13)
Attack on the uncastled king: pawn to b3 (c2·14)
Attack on the uncastled king: knight to a4 (c3·19)
Attack on the uncastled king: pawn to e4 (d3·41)
Attack on the uncastled king: king to c2 (b1·6)
Attack on the uncastled king: bishop to f6 (d4·2)
Attack on the uncastled king: rook to a1 (d1)
Attack on the uncastled king: bishop to g6 (b1·8)
Attack on the uncastled king: bishop to h8 (a1·17)
Attack on the uncastled king: pawn to f3 (g2·19)
Attack on the uncastled king: pawn to c6 (d5·27)
Winning blow: pawn to d5 (c4·3)
Winning blow: queen to f4 (d2·2)
Winning blow: bishop to b4 (e1)
Attack on the uncastled king: pawn to f4 (e3·36)
Attack on the uncastled king: pawn to h6 (g5·14)
Winning blow: rook to h6
Attack on the uncastled king: rook to d1 (f1·3)
Attack on the uncastled king: queen to h5 (d1·2)
Attack on the uncastled king: pawn to f4 (g3·46)
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