Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: rook to f4 (f1·8)
Winning blow: bishop to e6 (g4·2)
Attack on the uncastled king: pawn to e4 (f3·36)
Winning blow: pawn to e6 (d5·15)
Attack on the uncastled king: pawn to b6 (a5·21)
Winning blow: queen to h8 (h7·6)
Winning blow: rook to a4 (a1·2)
Winning blow: knight to e6 (f4·7)
Attack on the uncastled king: rook to d5 (d1·3)
Winning blow: knight to c5 (d3·9)
Winning blow: king to e1 (d1·15)
Attack on the uncastled king: queen to a8 (a4·4)
Winning blow: knight to c4 (e5)
Attack on the uncastled king: bishop to d5 (e4·5)
Attack on the uncastled king: rook to b1 (g1)
Winning blow: rook to d4 (d1·6)
Winning blow: rook to d6 (d1·9)
Winning blow: pawn to f6 (e5·8)
Attack on the uncastled king: queen to a7 (g1·2)
Winning blow: pawn to d6 (e5·9)
Winning blow: king to a1 (b1·14)
Attack on the uncastled king: queen to g8 (g6·2)
Winning blow: pawn to e5 (f4·18)
Attack on the uncastled king: rook to h7 (h1·2)
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