Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: rook to e7 (e1·6)
Winning blow: pawn to d7 (c6·5)
Winning blow: queen to f6 (e5)
Winning blow: queen to f1 (h1·2)
Attack on the uncastled king: knight to f6 (d5·7)
Winning blow: knight to g7 (f5·4)
Winning blow: bishop to c4 (d5·4)
Winning blow: queen to d8 (d7)
Winning blow: knight to e2 (c3·4)
Winning blow: pawn to d3 (c2·13)
Winning blow: queen to d5 (c4·2)
Winning blow: queen to f5 (d3·3)
Winning blow: bishop to b2 (a1·3)
Attack on the uncastled king: bishop to d5 (h1·27)
Winning blow: queen to b8 (b1)
Attack on the uncastled king: pawn to d5 (c4·109)
Winning blow: knight to c5 (d3·7)
Attack on the uncastled king: bishop to h5 (d1·20)
Winning blow: pawn to a7 (b6)
Attack on the uncastled king: pawn to d7 (e6·4)
Winning blow: rook to h1 (b1)
Attack on the uncastled king: queen to g6 (f5)
Winning blow: bishop to b7 (h1·3)
Winning blow: knight to c6 (d4·6)
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