Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: queen to b7 (b3·4)
Attack on the uncastled king: bishop to f7 (e6·2)
Winning blow: bishop to c5 (a7)
Winning blow: rook to d8 (d6·4)
Winning blow: bishop to g7 (h6·4)
Attack on the uncastled king: queen to e6 (e3·7)
Winning blow: rook to g7 (g3·4)
Winning blow: rook to a4 (a1·3)
Winning blow: rook to g2 (g1·5)
Winning blow: rook to a7 (a1·2)
Attack on the uncastled king: knight to e6 (d4·16)
Winning blow: bishop to g7 (c3·3)
Winning blow: rook to e8 (e7·3)
Winning blow: knight to e5 (d3·12)
Attack on the uncastled king: bishop to g6 (b1·14)
Mate in 2: queen to f7 (f3·4)
Skewer: queen to h8 (h7)
Mate in 2: queen to f7 (h5·3)
Mate in 3: queen to a5
Fork: knight to b5
Mate in 2: queen to d2 (a5)
Fork: knight to e3 (c4·2)
Mate in 2: queen to e5 (g5)
Fork: knight to c4 (e5)
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