Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to b7 (b5·4)
Winning blow: rook to f1 (a1)
Winning blow: rook to b8 (b1·7)
Attack on the uncastled king: bishop to g5 (c1·13)
Attack on the uncastled king: pawn to c3 (b2·23)
Attack on the uncastled king: bishop to d4 (g1·8)
Attack on the uncastled king: queen to h3 (e3)
Winning blow: queen to d5 (d3·2)
Winning blow: knight to e7 (d5·15)
Winning blow: rook to h8 (h1·5)
Attack on the uncastled king: queen to g8 (h7·14)
Winning blow: queen to e6 (g4·3)
Winning blow: bishop to c7 (d6)
Attack on the uncastled king: knight to d6 (e4·12)
Attack on the uncastled king: rook to e5 (e1·4)
Winning blow: knight to g7 (f5·2)
Attack on the uncastled king: queen to d5 (c6)
Winning blow: knight to h5 (g3·4)
Winning blow: queen to c2 (c1·2)
Winning blow: pawn to b5 (a4·8)
Attack on the uncastled king: knight to d3 (e1·2)
Attack on the uncastled king: pawn to g4 (h3·15)
Winning blow: queen to g5 (g7)
Winning blow: pawn to e7 (d6·6)
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279