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: knight to f5 (e3·16)
Winning blow: knight to f4 (h5·4)
Attack on the uncastled king: bishop to g4 (f3·5)
Winning blow: rook to g3 (f3·2)
Winning blow: knight to b5 (c7)
Winning blow: king to h1 (g1·32)
Attack on the uncastled king: knight to f5 (e3·17)
Attack on the uncastled king: queen to b5 (f1·3)
Discovered attack: knight to f6 (d5·2)
Mate in 2: pin on h3
Mate in 2: queen to f1 (f3)
Fork: bishop to d6 (e5)
Fork: knight to d3 (e5·3)
Mate in 2: rook to f8 (f1·6)
Discovered attack: knight to f3 (e5·2)
Mate in 3: queen to f2 (f6·2)
Mate in 1: queen to g2 (h2)
Back-rank mate in 2 on e8 (e4·2)
Attack on the uncastled king: pawn to e7 (f6·2)
Attack on the uncastled king: pawn to g8 (h7)
Attack on the uncastled king: pawn to b7 (a6·9)
Attack on the uncastled king: queen to f6 (a1·7)
Winning blow: bishop to g7 (h6·5)
Attack on the uncastled king: bishop to f7 (g6·3)
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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