Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: bishop to e6 (h3)
Attack on the uncastled king: queen to a3 (c1·4)
Attack on the uncastled king: bishop to h8 (a1·16)
Attack on the uncastled king: queen to h7 (d3·2)
Winning blow: pawn to c5 (b4·4)
Attack on the uncastled king: knight to h1 (g3·3)
Attack on the uncastled king: queen to e3 (f2·3)
Winning blow: rook to c4 (c1·2)
Attack on the uncastled king: knight to f7 (g5·12)
Attack on the uncastled king: rook to e5
Attack on the uncastled king: bishop to g2 (h1·8)
Winning blow: rook to d1 (b1)
Attack on the uncastled king: pawn to f4 (g3·43)
Winning blow: bishop to a8 (f3·2)
Attack on the uncastled king: pawn to h5 (g4·13)
Attack on the uncastled king: bishop to d7 (g4·3)
Winning blow: queen to f5 (f6)
Attack on the uncastled king: bishop to h5 (d1·16)
Winning blow: king to e2 (e1·3)
Winning blow: queen to b4
Winning blow: pawn to g4 (h3·3)
Attack on the uncastled king: bishop to c2 (d3)
Attack on the uncastled king: rook to g7
Attack on the uncastled king: bishop to e4 (g2·2)
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