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 f2 (d4)
Fork: knight to f5 (e3·2)
Fork: rook to e2
Fork: rook to b2
Winning blow: bishop to b6 (a7·3)
Winning blow: queen to d7 (d6·5)
Winning blow: queen to e5 (e4·8)
Winning blow: rook to g7 (g3·7)
Winning blow: queen to f7 (f4·6)
Attack on the uncastled king: bishop to c6 (e4·11)
Winning blow: bishop to b7 (g2·2)
Winning blow: rook to d7 (c7·7)
Winning blow: queen to d5 (f7·2)
Winning blow: rook to b8 (b7·4)
Winning blow: queen to g5 (e5·2)
Attack on the uncastled king: knight to g6 (f4·11)
Winning blow: queen to b5 (f5·3)
Attack on the uncastled king: queen to c7 (c6)
Winning blow: rook to c7 (a7·2)
Winning blow: queen to d7 (b5·5)
Winning blow: queen to g7 (g4·2)
Attack on the uncastled king: rook to b7 (b5)
Winning blow: queen to b5 (e5·2)
Winning blow: rook to g2 (g1·12)
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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