Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: bishop to d4 (g1·3)
Attack on the uncastled king: pawn to e7 (e6)
Winning blow: knight to d6 (f5·3)
Winning blow: knight to c6 (e7·2)
Winning blow: knight to d5 (e3·4)
Winning blow: knight to g7 (f5)
Winning blow: knight to e5 (f3·4)
Winning blow: knight to e3 (f1)
Winning blow: knight to c5 (d3·4)
Attack on the uncastled king: bishop to f6 (d4·6)
Attack on the uncastled king: queen to d1 (h1)
Winning blow: knight to d7 (e5·6)
Winning blow: pawn to g3 (h2·8)
Attack on the uncastled king: knight to d6 (c4·3)
Winning blow: rook to d7 (d1·4)
Winning blow: pawn to g6 (g5)
Attack on the uncastled king: bishop to a6 (e2·2)
Winning blow: knight to e4 (g3)
Attack on the uncastled king: knight to e8 (d6·6)
Winning blow: knight to g5 (f3·5)
Winning blow: knight to f6 (h5·5)
Attack on the uncastled king: bishop to e7 (c5·2)
Winning blow: bishop to f5 (d3)
Winning blow: queen to e6 (e2)
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