Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: queen to b8 (a7·5)
Attack on the uncastled king: pawn to h3 (g2·10)
Attack on the uncastled king: pawn to e6 (f5·4)
Attack on the uncastled king: rook to f1
Attack on the uncastled king: pawn to b3 (a2·4)
Attack on the uncastled king: rook to g2 (g1)
Winning blow: knight to e6 (c5)
Attack on the uncastled king: knight to h1 (f2)
Attack on the uncastled king: bishop to b7 (f3·2)
Attack on the uncastled king: queen to g1 (h1)
Attack on the uncastled king: pawn to f4 (e3·4)
Winning blow: knight to f4
Attack on the uncastled king: pawn to d5 (e4·12)
Attack on the uncastled king: rook to a2 (a1·2)
Winning blow: knight to e4
Winning blow: knight to b8 (a6)
Attack on the uncastled king: queen to d3 (d2)
Attack on the uncastled king: knight to e4 (g3·3)
Attack on the uncastled king: pawn to h3 (g2·11)
Winning blow: bishop to c7
Attack on the uncastled king: pawn to e4 (f3·4)
Attack on the uncastled king: queen to d4 (d1·2)
Attack on the uncastled king: queen to e4 (h1)
Winning blow: king to e2 (f1)
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