Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Mate in 2: queen to g1 (f2)
Mate in 2: pin on g5
Mate in 2: pawn to f4 (f5)
Mate in 3: deflection on d8
Mate in 2: queen to g3 (h3)
Mate in 2: king to g1
Fork: queen to f3 (h3)
Mate in 1: rook to g3 (e3)
Mate in 2: queen to h3 (e6·2)
Mate in 2: rook to h7 (g7·4)
Mate in 2: queen to d1 (a4)
Mate in 2: fork on g6 (g4)
Discovered attack: queen to f2
Mate in 2: rook to e1 (e8·5)
Mate in 3: queen to g5
Mate in 1: queen to g2 (h3·2)
Attack on the uncastled king: knight to a3 (b5·3)
Winning blow: rook to e1 (f1·11)
Attack on the uncastled king: knight to e7 (d5·19)
Winning blow: knight to e6 (c5·20)
Winning blow: bishop to e5 (a1·14)
Winning blow: bishop to c6 (b5·6)
Attack on the uncastled king: rook to c5 (c1·8)
Winning blow: queen to d5 (c5·5)
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