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 f7 (b7·2)
Mate in 3: rook to f8 (h8·2)
Mate in 3: queen to g8 (g5·2)
Mate in 3: queen to h7 (h4·5)
Mate in 3: queen to c7 (e5·2)
Mate in 3: knight to f5 (e3·3)
Mate in 3: knight to e6 (d8)
Mate in 3: queen to f7 (f4·3)
Mate in 3: bishop to c6 (g2·3)
Mate in 3: queen to g8 (g3)
Mate in 3: rook to d8 (d3·4)
Mate in 3: rook to f5 (f1·2)
Mate in 3: queen to b8 (b4)
Mate in 3: queen to c7 (d7·3)
Mate in 3: queen to f7 (c7)
Mate in 3: queen to b7 (c6·2)
Mate in 3: queen to f7 (f3·5)
Mate in 3: rook to a8 (b8)
Mate in 3: queen to g8 (g2·2)
Mate in 3: queen to g8 (e6·2)
Mate in 3: bishop to a7
Mate in 3: rook to e8 (e1·12)
Mate in 3: queen to f6 (a1·5)
Attack on the uncastled king: queen to c7 (a5·7)
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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