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 h4 (g3)
Mate in 3: rook to d7 (d1·5)
Mate in 3: queen to b8 (e5)
Mate in 3: queen to a6 (c4·3)
Mate in 3: bishop to d4 (f6)
Mate in 3: rook to b1 (a1·2)
Mate in 3: pawn to f7 (f6·4)
Mate in 3: queen to c7 (g7)
Mate in 3: rook to g7 (f7·2)
Mate in 3: queen to d7 (d4·2)
Mate in 3: knight to b5 (c3·4)
Mate in 2: knight to b6 (a4·4)
Mate in 3: queen to e4 (h1)
Mate in 3: queen to e7 (e8·3)
Attack on the uncastled king: rook to d8 (c8·3)
Mate in 3: queen to c4 (d4)
Mate in 3: bishop to e3 (d2)
Mate in 3: queen to h8 (g7·4)
Mate in 3: rook to c7 (c2·2)
Mate in 3: queen to c3 (a1·2)
Mate in 3: bishop to c6 (g2)
Mate in 3: queen to e5 (a1)
Mate in 3: rook to e5 (e1)
Mate in 3: queen to d6 (c6)
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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