Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: rook to c5 (c1·7)
Attack on the uncastled king: bishop to d3 (f5)
Winning blow: rook to b7
Attack on the uncastled king: rook to d1 (b1)
Attack on the uncastled king: rook to c6 (c7)
Winning blow: pawn to d7 (e6)
Winning blow: bishop to f3 (e2)
Winning blow: rook to e7 (d7·2)
Attack on the uncastled king: knight to c6 (d4·5)
Winning blow: queen to b4 (b7)
Winning blow: knight to d5 (b4)
Attack on the uncastled king: queen to e5 (a1·8)
Attack on the uncastled king: pawn to c3 (b2·22)
Winning blow: knight to d6 (e4)
Winning blow: rook to b7 (b8)
Winning blow: rook to h6 (h1)
Winning blow: knight to g5 (f3·3)
Winning blow: queen to e8 (e1·2)
Winning blow: pawn to e4 (f3·5)
Winning blow: queen to a5 (c7)
Winning blow: rook to e5 (e3)
Attack on the uncastled king: queen to h4 (h3·3)
Winning blow: pawn to g4 (h3·5)
Attack on the uncastled king: queen to d5 (h1·2)
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