Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: queen to f5 (c2·3)
Attack on the uncastled king: pawn to f6 (g5·16)
Winning blow: queen to d2 (e1)
Winning blow: knight to c6 (d4·2)
Attack on the uncastled king: knight to f6 (d5·3)
Winning blow: knight to d7 (c5)
Winning blow: queen to c6 (c5·2)
Winning blow: knight to d4 (b3·2)
Winning blow: knight to c5 (b3·2)
Attack on the uncastled king: knight to e7 (d5·10)
Attack on the uncastled king: knight to c7 (b5·14)
Winning blow: queen to c5 (e7)
Attack on the uncastled king: knight to f7 (g5·22)
Winning blow: knight to c7 (d5·2)
Attack on the uncastled king: knight to c6 (e7)
Winning blow: knight to g6 (f4)
Winning blow: knight to c6 (e5)
Attack on the uncastled king: knight to f7 (g5·23)
Winning blow: knight to d6 (b5)
Attack on the uncastled king: knight to d7 (e5·10)
Winning blow: bishop to d4 (f2·3)
Attack on the uncastled king: knight to f7 (g5·24)
Attack on the uncastled king: knight to d6 (b5·4)
Winning blow: queen to f7 (f4)
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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