Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Mate in 2: pawn to f6 (f5)
Attack on the uncastled king: queen to f8 (f1·6)
Mate in 2: queen to h5 (e8)
Attack on the uncastled king: rook to d8 (c8·2)
Mate in 2: knight to d7
Mate in 2: bishop to a4 (c2)
Mate in 2: queen to g6 (h5·2)
Attack on the uncastled king: queen to d8 (h4·3)
Attack on the uncastled king: bishop to b6 (a7·2)
Mate in 2: rook to f2 (f1)
Mate in 2: bishop to c5 (f2)
Mate in 2: bishop to a5 (e1)
Mate in 2: queen to e8 (e6·2)
Attack on the uncastled king: knight to d6 (e4·14)
Fork: queen to b4
Double attack: knight to f4
Fork: rook to g3 (h3·2)
Fork: knight to g3 (e2)
Fork: rook to f5
Fork: knight to d2 (e4·3)
Fork: pawn to g7
Mate in 1: queen to e2
Fork: queen to g5 (e3)
Fork: knight to d3 (b4)
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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