Chess960 puzzles: Only move
Everything else loses — find the only move that holds.
6689 puzzles
Mate in 2: knight to h3
Fork: knight to e2 (c3·6)
Winning blow: knight to b4 (d3)
Winning blow: pawn to e7 (d6·4)
Attack on the uncastled king: queen to h4 (h2·3)
Attack on the uncastled king: rook to h1 (g1·11)
Attack on the uncastled king: pawn to g5 (h4·27)
Winning blow: rook to e1 (f1·2)
Attack on the uncastled king: pawn to b7 (a6·6)
Winning blow: bishop to c5 (g1·5)
Attack on the uncastled king: bishop to e5 (c3·4)
Attack on the uncastled king: pawn to e5 (d4·108)
Attack on the uncastled king: queen to e4 (e2·4)
Attack on the uncastled king: pawn to e6 (d5·37)
Winning blow: pawn to b7 (a6·2)
Winning blow: queen to d4 (d1)
Attack on the uncastled king: bishop to h7 (b1·3)
Winning blow: bishop to e5 (d4·5)
Attack on the uncastled king: pawn to b7 (c6·5)
Attack on the uncastled king: queen to c4 (b3·3)
Winning blow: knight to d5 (e3·7)
Attack on the uncastled king: bishop to e5 (a1·21)
Attack on the uncastled king: pawn to d6 (e5·20)
Attack on the uncastled king: pawn to h7 (g6)
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