Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: rook to g2 (f2)
Attack on the uncastled king: knight to d2 (b3)
Attack on the uncastled king: bishop to h8 (c3·3)
Attack on the uncastled king: rook to h5 (h1·3)
Attack on the uncastled king: bishop to b6 (g1·3)
Attack on the uncastled king: bishop to g1
Attack on the uncastled king: bishop to b4 (d2)
Attack on the uncastled king: bishop to h5 (d1·11)
Attack on the uncastled king: queen to f7 (g7·2)
Winning blow: queen to a1
Attack on the uncastled king: knight to d4 (b3·5)
Winning blow: knight to h8 (g6)
Winning blow: pawn to e4 (f3·2)
Attack on the uncastled king: pawn to d4 (c3·16)
Attack on the uncastled king: queen to g2 (h3)
Attack on the uncastled king: rook to d4 (d1·4)
Winning blow: rook to e3 (e1)
Attack on the uncastled king: pawn to g4 (f3·13)
Attack on the uncastled king: pawn to c5 (d4·18)
Attack on the uncastled king: pawn to h3 (g2·26)
Attack on the uncastled king: knight to c5 (d3)
Attack on the uncastled king: bishop to a7 (d4·2)
Winning blow: bishop to b7 (h1)
Winning blow: knight to e4 (f2)
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