Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: bishop to h2 (g1)
Winning blow: rook to c8 (c1·6)
Attack on the uncastled king: rook to f2 (f1·6)
Attack on the uncastled king: knight to d5 (c3·23)
Winning blow: rook to c5 (c1·9)
Winning blow: knight to d3 (f2)
Winning blow: rook to c5 (c3·2)
Attack on the uncastled king: bishop to d7 (a4·7)
Attack on the uncastled king: rook to h5 (h1·7)
Winning blow: pawn to f3 (g2·17)
Winning blow: rook to d7 (c7·4)
Winning blow: knight to e7 (f5·19)
Attack on the uncastled king: pawn to g7 (f6·3)
Winning blow: bishop to f7 (d5·4)
Winning blow: rook to f8 (f4·6)
Winning blow: queen to e6 (g4·4)
Attack on the uncastled king: bishop to g2 (h1·10)
Winning blow: knight to d6 (f5·13)
Attack on the uncastled king: queen to e4 (g4)
Winning blow: rook to g2 (g1·7)
Attack on the uncastled king: queen to f6 (a1·4)
Winning blow: knight to d8 (f7)
Winning blow: rook to d8 (d1·12)
Winning blow: knight to d5 (c3·9)
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