Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to f3 (g2)
Attack on the uncastled king: pawn to g3 (h2·6)
Attack on the uncastled king: knight to g7 (e6)
Attack on the uncastled king: queen to d3 (e3)
Attack on the uncastled king: bishop to a6 (d3·2)
Attack on the uncastled king: rook to f4 (f1·3)
Attack on the uncastled king: pawn to e4 (f3·11)
Winning blow: knight to g5
Winning blow: pawn to f3 (g2·3)
Winning blow: knight to c1
Attack on the uncastled king: queen to h8 (g7·2)
Attack on the uncastled king: bishop to e4 (d3·3)
Winning blow: knight to a5
Attack on the uncastled king: queen to b4 (a4)
Attack on the uncastled king: bishop to h1 (g2)
Attack on the uncastled king: queen to f4 (f1)
Attack on the uncastled king: bishop to h8 (a1·10)
Winning blow: rook to c2
Winning blow: knight to e6 (f4)
Attack on the uncastled king: pawn to d5 (c4·42)
Attack on the uncastled king: pawn to c4 (b3·16)
Attack on the uncastled king: pawn to e3 (d2·2)
Attack on the uncastled king: pawn to b3 (a2·9)
Attack on the uncastled king: pawn to f5 (g4·5)
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