Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Attack on the uncastled king: queen to e8 (e2·2)
Winning blow: queen to c8 (d7)
Winning blow: rook to d8 (d1·4)
Winning blow: bishop to a7 (c5)
Winning blow: queen to d8 (e7)
Winning blow: knight to c8 (a7)
Attack on the uncastled king: knight to c6 (e5·10)
Winning blow: pawn to f6 (f5)
Winning blow: knight to d7 (c5·5)
Winning blow: knight to a7
Attack on the uncastled king: knight to c7 (b5·22)
Attack on the uncastled king: knight to g7 (f5·13)
Attack on the uncastled king: bishop to h3 (f1·3)
Winning blow: knight to c7 (d5·6)
Attack on the uncastled king: knight to e6 (c5·15)
Winning blow: rook to d5 (d1·3)
Attack on the uncastled king: queen to h5 (f3·2)
Winning blow: queen to c3 (f3)
Winning blow: queen to d1 (b3)
Winning blow: queen to b7 (b5·2)
Winning blow: knight to d7 (c5·6)
Attack on the uncastled king: pawn to b7 (c6·4)
Winning blow: knight to d7 (e5·7)
Winning blow: queen to g5 (g3)
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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