Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: pawn to b4 (c3)
Winning blow: rook to b1 (f1·4)
Attack on the uncastled king: queen to f5 (b1·10)
Winning blow: bishop to e5 (d4·8)
Attack on the uncastled king: queen to h6 (e3·2)
Attack on the uncastled king: knight to f6 (h5·5)
Winning blow: rook to b1 (d1·4)
Attack on the uncastled king: rook to e8 (e1·18)
Winning blow: queen to d8 (g5·6)
Winning blow: bishop to c7 (a5·2)
Winning blow: rook to f8 (f7·2)
Winning blow: pawn to b5 (c4·5)
Winning blow: pawn to a6
Attack on the uncastled king: pawn to g3 (h2·30)
Winning blow: queen to e4 (b1·2)
Winning blow: knight to h6 (f5·8)
Winning blow: knight to c4 (b6·3)
Winning blow: pawn to g3 (f2·4)
Winning blow: rook to f8 (f1·11)
Winning blow: knight to d5 (c3·11)
Winning blow: queen to h4 (h1)
Winning blow: rook to h1 (g1·10)
Winning blow: pawn to e5 (d4·25)
Attack on the uncastled king: knight to f6 (e4·14)
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