Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: knight to c6 (e5·20)
Winning blow: bishop to g6 (b1·9)
Winning blow: queen to e5 (h5·2)
Attack on the uncastled king: queen to c5 (b4)
Winning blow: pawn to c6 (d5·5)
Winning blow: queen to e5 (e3·4)
Winning blow: bishop to d5 (e4·5)
Winning blow: rook to f7 (f8·4)
Attack on the uncastled king: knight to f6 (e4·15)
Winning blow: rook to a1 (f1·4)
Winning blow: bishop to d5 (c4·4)
Winning blow: bishop to d4 (f2·7)
Winning blow: knight to f5 (e3·15)
Winning blow: rook to e6 (d6·2)
Winning blow: knight to a8 (c7·4)
Winning blow: knight to d7 (f8)
Winning blow: bishop to g3 (h2)
Attack on the uncastled king: knight to g4 (e3·13)
Winning blow: queen to h8 (b8·2)
Winning blow: queen to b6 (g1·2)
Winning blow: rook to d7 (d2·2)
Winning blow: king to c3 (b2)
Winning blow: knight to f5 (e3·16)
Attack on the uncastled king: queen to f5 (b1·11)
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