Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Attack on the uncastled king: bishop to c2 (d1·7)
Attack on the uncastled king: king to e1 (f1·7)
Winning blow: king to g2 (h2·3)
Winning blow: king to a3 (a2)
Winning blow: king to c2 (c1·14)
Winning blow: bishop to d3 (c2·2)
Winning blow: king to h2 (g1·41)
Attack on the uncastled king: king to e2 (d2·2)
Winning blow: king to d1 (e1·17)
Winning blow: bishop to e3 (c1·5)
Winning blow: rook to e2 (e1·13)
Winning blow: king to a1 (b1·25)
Winning blow: pawn to d4 (d2·5)
Winning blow: king to b1 (c1·39)
Winning blow: king to h2 (g1·42)
Winning blow: king to b2 (b3·2)
Deflection: pawn to h4
Deflection: pawn to e2
Back-rank mate in 3 on e7
Fork: knight to e4 (g5)
Mate in 2: queen to b1 (a1)
Mate in 3: knight to a3
Mate in 2: knight to f7 (h6)
Mate in 3: rook to h7
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