Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: pawn to b6 (c5)
Winning blow: king to c2 (b2)
Attack on the uncastled king: knight to e7 (d5·10)
Winning blow: queen to c5 (e7)
Winning blow: queen to b8 (f4)
Winning blow: rook to c1 (g1)
Winning blow: knight to f5 (d4)
Winning blow: knight to c7 (d5·2)
Winning blow: bishop to h1
Winning blow: rook to f2
Winning blow: bishop to b5 (a6)
Attack on the uncastled king: knight to c6 (e7)
Winning blow: pawn to b7 (c6·3)
Winning blow: knight to g6 (f4)
Winning blow: knight to c6 (e5)
Winning blow: rook to d8 (e8)
Winning blow: rook to f8 (h8)
Winning blow: bishop to d4 (f2·3)
Attack on the uncastled king: knight to c1 (d3·3)
Winning blow: bishop to g5 (e3)
Attack on the uncastled king: knight to f7 (g5·24)
Winning blow: queen to f7 (h7)
Winning blow: bishop to g5 (c1·3)
Winning blow: queen to b5 (d3)
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279