Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to e6 (e4·2)
Winning blow: bishop to d4 (g1·8)
Attack on the uncastled king: queen to d6 (a6)
Winning blow: knight to e5 (d3·13)
Attack on the uncastled king: rook to d2 (c2)
Winning blow: queen to a8 (a7·5)
Attack on the uncastled king: knight to f6 (g4·7)
Winning blow: queen to a6 (b6)
Winning blow: knight to c4 (e3·3)
Winning blow: queen to b5 (d3·2)
Winning blow: knight to e6 (f4·9)
Attack on the uncastled king: rook to a5 (a2)
Winning blow: knight to h8 (f7·4)
Winning blow: pawn to e7 (d6·8)
Attack on the uncastled king: pawn to f3 (e2·16)
Attack on the uncastled king: rook to b2 (b5)
Winning blow: queen to c2 (h7)
Winning blow: bishop to c3 (d2·2)
Attack on the uncastled king: rook to d3 (d2)
Winning blow: knight to g6 (f4·7)
Attack on the uncastled king: knight to g2 (e3·4)
Winning blow: queen to g6 (g3·5)
Winning blow: pawn to b7 (c6·7)
Winning blow: bishop to e4 (g2)
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