Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: knight to f6 (h7·2)
Attack on the uncastled king: pawn to d7 (e6·8)
Winning blow: rook to b3 (a3·2)
Winning blow: knight to g5 (h3·7)
Winning blow: rook to b1 (e1·2)
Winning blow: knight to c5 (e4·4)
Winning blow: knight to f5 (e3·14)
Winning blow: queen to c7 (c6·3)
Attack on the uncastled king: knight to e6 (d4·21)
Winning blow: rook to c1 (a1·4)
Winning blow: knight to h6 (f5·8)
Attack on the uncastled king: bishop to b2 (c3·3)
Winning blow: knight to d5 (c3·11)
Attack on the uncastled king: knight to c7 (d5·27)
Attack on the uncastled king: bishop to h4 (f2·5)
Winning blow: bishop to h4 (f2·4)
Winning blow: queen to a6 (a8)
Winning blow: pawn to f4 (g3·15)
Winning blow: bishop to f6 (a1·11)
Winning blow: rook to f1 (h1)
Winning blow: queen to g7 (d4·2)
Winning blow: queen to e6 (e3·6)
Winning blow: knight to d5 (f4·4)
Winning blow: rook to b5 (b1·5)
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Tactics
BatteryCheck chaseClearanceDecoyDeflectionDiscovered attackDiscovered checkDouble checkWinning exchangeBishop forkKnight forkPawn forkQueen forkRook forkHanging pieceInterferenceOverloadAbsolute pinRelative pinWin the pinned piecePromotionQueen trapQuiet moveRemove the defenderSacrifice attackSkewerTrapped pieceUnderpromotionWinning blowX-rayZwischenzug