Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: queen to g7 (f8)
Winning blow: knight to d6 (f5·10)
Winning blow: bishop to c6 (e4·5)
Winning blow: rook to e6 (e1·8)
Winning blow: pawn to g6 (f5·5)
Attack on the uncastled king: knight to c7 (a6)
Winning blow: pawn to f4 (e3·8)
Winning blow: queen to f5 (b1·4)
Winning blow: queen to f5 (f2·2)
Winning blow: rook to f4 (f1·7)
Winning blow: rook to b3 (d3)
Winning blow: queen to d7 (d6)
Winning blow: bishop to a4 (c6)
Winning blow: knight to f7 (e5·6)
Winning blow: knight to c5 (b7·5)
Winning blow: queen to g6 (f6·2)
Winning blow: queen to f6 (f2·2)
Winning blow: queen to a5 (a6·4)
Winning blow: pawn to e7 (f6·2)
Attack on the uncastled king: knight to b6 (a4·4)
Winning blow: knight to b6 (c4·5)
Attack on the uncastled king: bishop to b5 (c4·2)
Winning blow: knight to d6 (f5·11)
Winning blow: pawn to f3 (g2·15)
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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