Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: rook to d8 (d1·25)
Winning blow: queen to e4 (h4)
Attack on the uncastled king: rook to d3 (a3·2)
Attack on the uncastled king: queen to f2 (e2·2)
Winning blow: queen to f5 (f3·6)
Winning blow: rook to f1 (f7·3)
Attack on the uncastled king: bishop to b2 (f6)
Winning blow: queen to d4 (a4·3)
Winning blow: queen to f3 (a3·2)
Attack on the uncastled king: queen to f2 (f5)
Attack on the uncastled king: knight to f5 (d4·7)
Winning blow: rook to f1 (f6)
Winning blow: bishop to e3 (d2·3)
Winning blow: queen to d2 (c2)
Winning blow: knight to d2 (f3·2)
Winning blow: queen to d2 (f4)
Attack on the uncastled king: queen to e5 (h5·2)
Attack on the uncastled king: queen to e2 (d1·3)
Winning blow: queen to d3 (f1·3)
Winning blow: rook to c4 (d4·2)
Winning blow: rook to d2 (d1·13)
Winning blow: knight to e6 (d4·19)
Winning blow: queen to f3 (f2·6)
Winning blow: queen to a3 (b4·2)
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