Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: pawn to b5 (a4·35)
Winning blow: rook to f8 (f6·2)
Winning blow: rook to f6 (f1·5)
Winning blow: rook to d5 (d1·7)
Winning blow: bishop to c6 (e4·5)
Attack on the uncastled king: rook to d1 (a1)
Winning blow: queen to c6 (e6·2)
Attack on the uncastled king: knight to c7 (a6)
Winning blow: rook to d8 (d1·9)
Winning blow: queen to g2 (h3·4)
Winning blow: knight to d6 (e4·5)
Winning blow: queen to a8 (h1·3)
Winning blow: queen to f2 (f1·2)
Attack on the uncastled king: queen to g7 (a1·8)
Winning blow: rook to a1 (f1)
Winning blow: queen to e5 (d4)
Winning blow: rook to d2 (d1·6)
Winning blow: queen to f5 (b1·4)
Winning blow: rook to d8 (d6·3)
Winning blow: rook to e4 (e2·2)
Winning blow: pawn to c4 (d3·4)
Attack on the uncastled king: rook to f8 (f4·3)
Winning blow: rook to c2 (c1·2)
Winning blow: bishop to f6 (g7·2)
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279