Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to a3 (e3)
Winning blow: queen to f8 (a3)
Attack on the uncastled king: rook to g8 (g1·4)
Winning blow: bishop to g5 (c1·2)
Winning blow: bishop to d7 (e6)
Attack on the uncastled king: queen to b7 (b2·2)
Winning blow: queen to c2 (b2)
Winning blow: rook to h2 (h1·3)
Winning blow: pawn to c7 (d6·2)
Winning blow: knight to b6 (d7)
Attack on the uncastled king: knight to c6 (e5·8)
Winning blow: king to g2 (g1·2)
Attack on the uncastled king: rook to c4 (a4)
Attack on the uncastled king: bishop to b7 (h1·9)
Winning blow: knight to d5 (c3·3)
Winning blow: rook to h7 (h1)
Winning blow: rook to h8 (f8)
Winning blow: knight to f6 (e4·3)
Attack on the uncastled king: pawn to b3 (a2·30)
Attack on the uncastled king: queen to c4 (c5)
Attack on the uncastled king: queen to f4 (f7)
Winning blow: rook to d2
Winning blow: knight to e6 (g7·3)
Winning blow: rook to d5 (d8)
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