Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to c3 (g7)
Winning blow: rook to e7 (h7)
Winning blow: knight to c6 (e5·5)
Winning blow: rook to g3
Winning blow: queen to e1 (f1)
Winning blow: knight to a7
Winning blow: pawn to h6 (g5)
Winning blow: rook to a7 (a2)
Winning blow: rook to f3 (e3·2)
Attack on the uncastled king: bishop to f4 (c1·28)
Attack on the uncastled king: knight to c2 (e1·2)
Winning blow: pawn to e5 (d4·15)
Winning blow: bishop to c6 (e4·3)
Winning blow: knight to c7 (d5·6)
Winning blow: queen to d7 (f7)
Winning blow: knight to g5 (f3·6)
Winning blow: rook to d2 (c2)
Winning blow: rook to a8 (a1·4)
Winning blow: rook to d5 (d1·3)
Winning blow: rook to e8 (e3·2)
Attack on the uncastled king: rook to b8 (b1·12)
Winning blow: queen to c3 (f3)
Attack on the uncastled king: knight to b7 (c5·15)
Winning blow: queen to b7 (b5·2)
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