Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: rook to h1 (f1·4)
Winning blow: bishop to h5 (d1)
Winning blow: pawn to e5 (d4·24)
Winning blow: queen to a1 (e1·2)
Attack on the uncastled king: queen to c2 (d1·3)
Winning blow: rook to e1 (g1·3)
Winning blow: queen to a5 (a7)
Attack on the uncastled king: knight to f6 (h7)
Winning blow: pawn to f4 (g3·12)
Winning blow: queen to e4 (f3)
Winning blow: queen to c6 (c5·5)
Winning blow: queen to g5 (d2)
Attack on the uncastled king: queen to e5 (d4·4)
Winning blow: bishop to a2 (b1·2)
Winning blow: pawn to f7 (g6·2)
Attack on the uncastled king: knight to d7 (e5·17)
Winning blow: queen to h8 (h7·8)
Winning blow: queen to f7 (f6·3)
Winning blow: rook to e6 (e1·13)
Winning blow: queen to b8 (a7·3)
Winning blow: queen to d3 (c3·3)
Winning blow: queen to d3 (c2)
Winning blow: pawn to a7 (b6·2)
Attack on the uncastled king: knight to f6 (e4·13)
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