Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: pawn to c5 (c4)
Attack on the uncastled king: queen to g8 (g3·2)
Attack on the uncastled king: rook to e1 (f1)
Winning blow: knight to c6 (b4·2)
Winning blow: rook to g1 (h1·2)
Winning blow: bishop to c5 (g1·3)
Winning blow: queen to d7
Winning blow: knight to g2
Winning blow: queen to e8 (e5)
Winning blow: queen to c7 (f4)
Winning blow: bishop to c1 (e3)
Winning blow: queen to d8 (h8)
Attack on the uncastled king: rook to b8 (b2)
Attack on the uncastled king: bishop to f5 (d3·7)
Attack on the uncastled king: queen to f4 (f1·6)
Winning blow: knight to e6 (d4·3)
Winning blow: pawn to c6 (b5·3)
Winning blow: queen to a8 (a7·3)
Winning blow: pawn to d3 (c2·10)
Winning blow: queen to d3 (f5)
Winning blow: rook to f3 (f1)
Winning blow: queen to a8 (g2)
Attack on the uncastled king: rook to a1 (b1·3)
Winning blow: pawn to e6 (d5·10)
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