Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: knight to e5 (d3·4)
Winning blow: knight to f6 (g4)
Winning blow: rook to h8 (e8)
Winning blow: pawn to d6 (c5·4)
Attack on the uncastled king: knight to f7 (g5·21)
Attack on the uncastled king: pawn to c3 (d2·14)
Winning blow: bishop to e6 (c4)
Winning blow: bishop to d7 (b5)
Attack on the uncastled king: queen to g6 (h7)
Attack on the uncastled king: pawn to g7 (h6·5)
Winning blow: bishop to f4 (c1·2)
Winning blow: queen to d3 (h3)
Attack on the uncastled king: bishop to c6 (f3)
Attack on the uncastled king: pawn to e3 (f2·16)
Attack on the uncastled king: pawn to e5 (f4·85)
Winning blow: knight to e7 (f5·5)
Winning blow: queen to g7 (g2)
Winning blow: knight to f5 (e3·7)
Winning blow: knight to e7 (d5·4)
Winning blow: knight to b5 (d6)
Winning blow: bishop to f6 (c3)
Attack on the uncastled king: knight to a7 (b5·7)
Winning blow: bishop to f6 (g5)
Winning blow: rook to f8 (f6)
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