Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Winning blow: pawn to e5 (d4·16)
Winning blow: bishop to b8 (a7)
Winning blow: rook to b8 (b1·6)
Winning blow: queen to g2 (g1)
Attack on the uncastled king: bishop to d2 (e3)
Attack on the uncastled king: pawn to b5 (c4·31)
Winning blow: rook to f4 (f7)
Attack on the uncastled king: knight to e3 (d5)
Mate in 1: queen to g2 (g7·2)
Mate in 1: queen to g7 (d4·6)
Mate in 1: queen to g3 (g1)
Mate in 1: queen to g7 (h6·4)
Skewer: rook to f4
Mate in 1: knight to f2 (h3·4)
Mate in 3: queen to h5
Mate in 2: pawn to g4
Back-rank mate in 2 on e8 (e1)
Fork: knight to g5 (f7)
Fork: knight to e8
Mate in 1: queen to b2 (d4)
Mate in 1: pawn to f1
Mate in 2: rook to d8 (d6)
Mate in 1: queen to f3 (h5)
Back-rank mate in 2 on e6
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