Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to b1 (c2·2)
Winning blow: rook to a6 (a1·3)
Winning blow: knight to e7 (d5·18)
Winning blow: queen to f5 (d3·5)
Winning blow: bishop to e5 (c3·5)
Winning blow: bishop to d5 (h1·13)
Winning blow: queen to c7 (a5·2)
Winning blow: queen to d4 (g4)
Winning blow: queen to d5 (b3·2)
Attack on the uncastled king: knight to c4 (d2·11)
Winning blow: rook to d7 (h7·2)
Winning blow: rook to f7 (h7)
Winning blow: rook to a8 (e8·3)
Attack on the uncastled king: rook to e7 (e1·3)
Attack on the uncastled king: queen to f5 (c2·2)
Winning blow: pawn to b4 (a3·3)
Winning blow: knight to f7 (d6·2)
Winning blow: bishop to f8 (h6)
Winning blow: rook to e8 (e7·4)
Winning blow: queen to d6 (e7·4)
Winning blow: pawn to f7 (e6·4)
Winning blow: rook to e3 (e1·11)
Winning blow: queen to d8 (d6·2)
Winning blow: knight to e2 (g1·2)
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