Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: bishop to e8 (h5·4)
Winning blow: knight to f1 (d2)
Winning blow: queen to f8 (a3·2)
Winning blow: rook to b7 (b2·3)
Winning blow: queen to g5 (c1·11)
Winning blow: bishop to b6 (d4·2)
Attack on the uncastled king: rook to f8 (f5·2)
Winning blow: rook to g8 (g1·11)
Attack on the uncastled king: pawn to f6 (e5·26)
Winning blow: queen to c4 (e2·3)
Attack on the uncastled king: queen to b7 (h1·15)
Winning blow: queen to d8 (b6)
Attack on the uncastled king: queen to c3 (e1·3)
Attack on the uncastled king: rook to f7 (f5)
Winning blow: knight to e6 (d4·14)
Winning blow: pawn to d8 (c7)
Attack on the uncastled king: knight to d5 (e3·15)
Attack on the uncastled king: bishop to d6 (b4·3)
Winning blow: queen to e6 (d7·3)
Winning blow: rook to a8 (a3)
Winning blow: pawn to f6 (g5·13)
Winning blow: rook to e7 (e1·11)
Winning blow: queen to e3 (d3·2)
Attack on the uncastled king: queen to e4 (e2·5)
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