Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: bishop to f3
Attack on the uncastled king: bishop to b3 (c2·2)
Attack on the uncastled king: pawn to f6 (e5·18)
Attack on the uncastled king: rook to a3 (a1·3)
Winning blow: knight to b5 (c3·2)
Attack on the uncastled king: rook to g5 (g1)
Attack on the uncastled king: queen to g7 (g2)
Attack on the uncastled king: knight to f2 (d3·2)
Winning blow: rook to b1 (c1·2)
Attack on the uncastled king: knight to e4 (d2·4)
Winning blow: bishop to f4 (e3)
Attack on the uncastled king: queen to f1 (f2)
Attack on the uncastled king: queen to e1 (c3)
Winning blow: king to e2 (d1)
Winning blow: rook to d8
Attack on the uncastled king: rook to a5 (a1·3)
Winning blow: bishop to c3 (b2)
Attack on the uncastled king: pawn to h3 (g2·42)
Winning blow: bishop to e5 (d4)
Winning blow: queen to e4 (c2)
Attack on the uncastled king: bishop to a7 (f2·2)
Attack on the uncastled king: knight to c1 (b3·2)
Attack on the uncastled king: knight to c5 (d3·4)
Attack on the uncastled king: queen to b6 (f2·3)
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