Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Attack on the uncastled king: queen to h8 (h1·2)
Winning blow: queen to f7 (f4·7)
Winning blow: rook to f7 (h7·3)
Winning blow: queen to d7 (d3·6)
Winning blow: knight to c6 (d4·17)
Attack on the uncastled king: knight to f6 (h5·8)
Attack on the uncastled king: bishop to c4 (d3·6)
Winning blow: knight to e5 (g6·2)
Winning blow: rook to e7 (e2·3)
Attack on the uncastled king: queen to d5 (d3·3)
Winning blow: knight to c6 (b4·13)
Winning blow: knight to d7 (f6·11)
Winning blow: bishop to e4 (b1·9)
Winning blow: knight to e7 (f5·28)
Winning blow: knight to d7 (e5·18)
Attack on the uncastled king: bishop to g7 (a1·13)
Winning blow: rook to e7 (e2·4)
Winning blow: queen to d6 (b4·9)
Winning blow: queen to d4 (c3·8)
Attack on the uncastled king: knight to f6 (e4·20)
Winning blow: bishop to d5 (f3·8)
Attack on the uncastled king: knight to e6 (f4·11)
Winning blow: knight to f6 (h7·5)
Mate in 2: rook to d8 (d1·13)
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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