Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to f8 (f3·5)
Attack on the uncastled king: queen to d8 (d2·4)
Winning blow: rook to b6 (b4·2)
Winning blow: rook to d4 (d1·10)
Winning blow: rook to e8 (e7·6)
Winning blow: rook to e7 (c7·2)
Winning blow: knight to e6 (g7·10)
Winning blow: bishop to b7 (a6·4)
Winning blow: bishop to f6 (b2·5)
Winning blow: rook to e3 (e2·3)
Winning blow: knight to d4 (f5·2)
Winning blow: rook to a6 (a4)
Winning blow: queen to c2 (g2·2)
Attack on the uncastled king: rook to e1 (h1·2)
Attack on the uncastled king: rook to f2 (f1·8)
Winning blow: knight to g7 (h5·2)
Winning blow: knight to c6 (d4·13)
Winning blow: queen to g8 (g6·4)
Attack on the uncastled king: rook to d3 (d2·2)
Winning blow: knight to d7 (f6·8)
Winning blow: knight to d6 (e4·12)
Winning blow: rook to e8 (e1·17)
Winning blow: queen to c8 (a6)
Winning blow: queen to b7 (b6·3)
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279