Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: pawn to g4 (h3·6)
Winning blow: bishop to d6 (f4·2)
Attack on the uncastled king: bishop to f4 (h2·2)
Attack on the uncastled king: queen to g6 (e4)
Attack on the uncastled king: pawn to c5 (b4·35)
Attack on the uncastled king: pawn to d5 (e4·120)
Winning blow: pawn to d5 (e4·18)
Winning blow: rook to f4 (e4)
Attack on the uncastled king: pawn to d5 (c4·116)
Winning blow: bishop to d7 (a4·2)
Winning blow: rook to g4 (g1·3)
Winning blow: pawn to e5 (f4·21)
Winning blow: queen to g5 (h5·4)
Winning blow: pawn to e6 (f5·7)
Attack on the uncastled king: queen to c4 (f1·5)
Attack on the uncastled king: queen to d5 (h5·2)
Winning blow: rook to c1 (d1·3)
Winning blow: queen to g5 (d2·2)
Attack on the uncastled king: pawn to c5 (d4·61)
Winning blow: rook to c1 (f1·3)
Winning blow: knight to a3 (c2·3)
Winning blow: queen to f3 (h1·3)
Attack on the uncastled king: bishop to b5 (d3·6)
Winning blow: knight to e1 (f3·3)
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