Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to f4 (g4)
Winning blow: rook to a6 (a1·2)
Winning blow: pawn to d3 (c2·16)
Winning blow: queen to f6 (f5·4)
Winning blow: rook to h6 (d6)
Attack on the uncastled king: king to f2 (g1·10)
Winning blow: queen to h5 (h6)
Winning blow: knight to c4 (e3·4)
Attack on the uncastled king: queen to b7 (h1·14)
Winning blow: queen to e6 (d7·2)
Winning blow: queen to f6 (f4)
Winning blow: bishop to g5 (h4)
Winning blow: pawn to b6 (c5·6)
Attack on the uncastled king: rook to d8 (d1·21)
Winning blow: rook to d5 (d2·2)
Attack on the uncastled king: bishop to f5 (d3·10)
Winning blow: pawn to e4 (f3·13)
Attack on the uncastled king: queen to b7 (a6·2)
Winning blow: rook to a8 (a7·3)
Winning blow: rook to d7 (d1·13)
Winning blow: queen to h6 (h4·5)
Attack on the uncastled king: rook to b8 (b1·18)
Winning blow: bishop to f5 (d3·5)
Winning blow: bishop to e6 (a2·2)
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