Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to c5 (d6)
Attack on the uncastled king: knight to e3 (f1·3)
Winning blow: bishop to d5 (e4·2)
Winning blow: pawn to d5 (c4·11)
Winning blow: pawn to d6 (c5·6)
Attack on the uncastled king: pawn to g3 (h2·28)
Winning blow: knight to e4 (g3·2)
Winning blow: bishop to f5 (b1·6)
Winning blow: king to f1 (g1·21)
Winning blow: bishop to d8 (c7·2)
Attack on the uncastled king: queen to g3 (f2·3)
Winning blow: queen to d7 (d6)
Attack on the uncastled king: rook to d1 (e1·2)
Winning blow: bishop to a7 (d4·2)
Attack on the uncastled king: queen to e4 (b1·11)
Winning blow: bishop to f6 (a1·9)
Winning blow: queen to f3 (e3·2)
Winning blow: knight to f7 (e5·6)
Attack on the uncastled king: knight to b6 (a4·3)
Winning blow: rook to a5 (a6)
Attack on the uncastled king: knight to c7 (d5·23)
Attack on the uncastled king: bishop to d5 (h1·28)
Attack on the uncastled king: pawn to c5 (d4·57)
Winning blow: knight to c6 (e7·4)
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