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 b6 (d4)
Mate in 3: queen to f8 (g7)
Mate in 3: queen to g6 (b1)
Mate in 3: bishop to d6 (c5)
Mate in 3: queen to d6 (e5)
Mate in 3: bishop to a2
Mate in 3: queen to f4 (c1·2)
Mate in 3: queen to f6 (f5·2)
Attack on the uncastled king: pawn to d8
Mate in 3: rook to c8 (c5)
Mate in 3: queen to h8 (h6)
Mate in 3: queen to e7 (h4)
Mate in 3: queen to f5 (d3)
Mate in 3: queen to a8 (e4)
Mate in 3: knight to e6 (c7)
Attack on the uncastled king: pawn to f7 (e6·3)
Mate in 3: queen to a5 (b5)
Mate in 3: queen to b6 (d4·2)
Mate in 3: pawn to f7 (e6)
Mate in 3: queen to e8 (d8)
Mate in 3: queen to d8 (d1)
Mate in 3: queen to g6 (g5)
Mate in 3: queen to b5 (a5)
Mate in 3: queen to h8 (g7·2)
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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