Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: knight to g4 (f2)
Winning blow: queen to a6 (a3·2)
Winning blow: bishop to g7 (a1·3)
Winning blow: pawn to f3 (g2·15)
Winning blow: bishop to f7 (h5·2)
Winning blow: bishop to g6 (h7·3)
Attack on the uncastled king: queen to d6 (e7·2)
Winning blow: bishop to g7 (a1·4)
Winning blow: queen to c5 (b5)
Winning blow: queen to h5 (h4·4)
Winning blow: pawn to c6 (b5·7)
Winning blow: queen to d8 (g5·5)
Winning blow: rook to d1 (c1)
Winning blow: pawn to c3 (b2·13)
Attack on the uncastled king: queen to c1 (e1)
Attack on the uncastled king: pawn to e5 (f4·93)
Winning blow: rook to d1 (g1·2)
Attack on the uncastled king: king to c2 (b1·11)
Winning blow: knight to c6 (b4·4)
Winning blow: pawn to d6 (e5·7)
Winning blow: queen to g6 (e6·3)
Winning blow: queen to e5 (a5)
Winning blow: king to e4
Winning blow: knight to e7 (f5·16)
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