Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: pawn to c5 (d4·19)
Attack on the uncastled king: pawn to d5 (c4·55)
Attack on the uncastled king: bishop to e8 (c6)
Attack on the uncastled king: bishop to a8 (h1·12)
Winning blow: knight to h3
Attack on the uncastled king: knight to d4 (b3·6)
Attack on the uncastled king: knight to c3 (e2)
Winning blow: pawn to b5 (a4)
Attack on the uncastled king: bishop to d7 (a4·2)
Winning blow: knight to f6
Winning blow: knight to c5 (b7)
Attack on the uncastled king: queen to d4 (f2)
Attack on the uncastled king: bishop to c2 (d1·2)
Attack on the uncastled king: bishop to f8 (c5)
Attack on the uncastled king: bishop to g2 (f1·4)
Attack on the uncastled king: knight to e5 (d3·6)
Attack on the uncastled king: bishop to d4 (a1·9)
Attack on the uncastled king: knight to h6 (g4)
Winning blow: pawn to f3 (g2·4)
Attack on the uncastled king: knight to h2 (f1·4)
Attack on the uncastled king: bishop to c2 (d1·3)
Attack on the uncastled king: bishop to e7 (b4·3)
Winning blow: rook to g6 (g3)
Attack on the uncastled king: bishop to f3 (e2·2)
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