Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Mate in 3: queen to b8 (c7)
Mate in 3: queen to a8 (a7·2)
Mate in 3: queen to c7 (d7)
Mate in 3: queen to e6 (e3)
Mate in 3: rook to d8 (d2·2)
Attack on the uncastled king: queen to a6 (e2·5)
Mate in 3: bishop to e5 (c7)
Mate in 3: queen to e5 (f5·2)
Mate in 3: bishop to g4 (d1·2)
Mate in 3: bishop to c4 (e2)
Mate in 3: queen to f8 (a3·2)
Mate in 3: pawn to e6 (e5·2)
Mate in 3: queen to b4 (d2)
Mate in 3: pawn to g6 (h5·2)
Mate in 3: rook to f7 (g7)
Mate in 3: queen to g5 (g3)
Mate in 3: queen to d8 (a5·2)
Attack on the uncastled king: queen to b6 (g1·5)
Mate in 3: rook to a5 (e5)
Attack on the uncastled king: rook to d8 (d1·27)
Mate in 3: knight to c5 (a6)
Mate in 3: bishop to f7 (c4)
Mate in 3: queen to e6 (e3·2)
Mate in 3: rook to d6 (d1·2)
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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