Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: knight to f5 (e3·10)
Attack on the uncastled king: bishop to b4 (c3·3)
Winning blow: rook to c1 (a1)
Winning blow: rook to a8 (a1·3)
Winning blow: knight to f6 (h5·6)
Winning blow: bishop to a5 (d2)
Winning blow: rook to f8 (f1·2)
Winning blow: pawn to e5 (d4·13)
Winning blow: knight to h6 (f5·5)
Winning blow: queen to b2 (a3·2)
Attack on the uncastled king: knight to g6 (e5·6)
Winning blow: bishop to a5 (d8·2)
Winning blow: queen to c7 (e7)
Winning blow: knight to e7 (d5·8)
Winning blow: pawn to g6 (f5·2)
Winning blow: queen to c6 (h1·2)
Attack on the uncastled king: knight to a6 (c5)
Attack on the uncastled king: queen to f3 (d1)
Winning blow: bishop to c4 (e6)
Winning blow: knight to e6 (g5·4)
Winning blow: knight to d5 (c3·6)
Winning blow: knight to f6 (e4·5)
Attack on the uncastled king: pawn to e4 (f3·31)
Attack on the uncastled king: rook to c8 (c1·10)
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279