Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: rook to c8 (c3·2)
Winning blow: knight to c5 (b3·9)
Winning blow: queen to b5 (a4·3)
Winning blow: rook to a8 (a1·10)
Winning blow: bishop to f5 (d3·6)
Attack on the uncastled king: queen to e6 (f6·3)
Winning blow: rook to c6 (c3·2)
Winning blow: rook to f8 (f5)
Winning blow: knight to c6 (a5·7)
Winning blow: queen to g6 (g7·3)
Winning blow: bishop to d6 (f4)
Attack on the uncastled king: pawn to e7 (e6·3)
Winning blow: queen to g8 (g4·2)
Winning blow: queen to e6 (f6·3)
Winning blow: queen to b5 (b6·2)
Attack on the uncastled king: bishop to f7 (b3)
Attack on the uncastled king: queen to c1 (a1·3)
Winning blow: knight to e5 (c4·6)
Winning blow: queen to e6 (e1·6)
Winning blow: knight to d5 (c3·10)
Winning blow: queen to c7 (a5·2)
Winning blow: queen to d4 (g4)
Attack on the uncastled king: knight to c7 (d5·26)
Winning blow: rook to f7 (h7)
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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