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 c6 (c2·4)
Winning blow: queen to g4 (f5)
Winning blow: rook to e7 (e1·23)
Attack on the uncastled king: rook to e6 (d6·2)
Attack on the uncastled king: queen to c4 (c1·8)
Winning blow: queen to f6 (b2·9)
Attack on the uncastled king: queen to b8 (b4)
Attack on the uncastled king: knight to e6 (c5·25)
Winning blow: queen to h8 (h2·2)
Winning blow: rook to d7 (d2·5)
Winning blow: queen to f7 (g6·7)
Winning blow: queen to f6 (e6·5)
Attack on the uncastled king: queen to f6 (d4·6)
Attack on the uncastled king: rook to e6 (e2)
Attack on the uncastled king: queen to g5 (g1·3)
Attack on the uncastled king: knight to e7 (f5·18)
Attack on the uncastled king: rook to e7 (g7)
Attack on the uncastled king: rook to b8 (b1·23)
Winning blow: rook to g7 (g1·9)
Attack on the uncastled king: queen to c6 (c2·5)
Winning blow: knight to c5 (e4·10)
Winning blow: knight to e5 (d7·2)
Winning blow: rook to b7 (b5·2)
Winning blow: queen to f5 (c8·3)
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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