Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: rook to g4 (g1)
Attack on the uncastled king: queen to c6 (h1·6)
Winning blow: knight to e7 (d5·7)
Attack on the uncastled king: queen to e5 (h2·2)
Winning blow: queen to d5 (b3)
Attack on the uncastled king: rook to f6 (f1)
Winning blow: knight to f7 (d8)
Attack on the uncastled king: queen to g4 (h3)
Attack on the uncastled king: queen to c4 (e2)
Winning blow: queen to f7 (c7)
Attack on the uncastled king: bishop to f6 (g5·3)
Winning blow: rook to a8 (e8)
Winning blow: knight to c6 (d4·3)
Winning blow: knight to d7 (c5·2)
Winning blow: rook to c6 (c1)
Winning blow: rook to f1 (g1)
Attack on the uncastled king: knight to c6 (d4·6)
Winning blow: rook to c7 (c1·4)
Attack on the uncastled king: pawn to d3 (c2·18)
Winning blow: knight to c5 (d3·2)
Winning blow: rook to d8 (d1·3)
Winning blow: pawn to e7 (e6)
Winning blow: knight to d7 (e5·3)
Winning blow: queen to g7 (b7·2)
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