Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: knight to d6 (e4·6)
Winning blow: knight to b7 (c5·3)
Winning blow: knight to e7 (f5·18)
Winning blow: bishop to e6 (g4·2)
Winning blow: rook to f8 (f1·5)
Attack on the uncastled king: knight to e5 (g4·2)
Attack on the uncastled king: knight to e6 (c5·17)
Winning blow: knight to c5 (d3·9)
Attack on the uncastled king: king to d2 (e1·12)
Winning blow: knight to c4 (e5)
Winning blow: rook to c8 (c1·4)
Attack on the uncastled king: pawn to c6 (d5·35)
Winning blow: knight to f5 (g3·8)
Attack on the uncastled king: queen to g8 (g6·2)
Winning blow: queen to f8 (f2·2)
Attack on the uncastled king: queen to c6 (h1·7)
Winning blow: knight to b5 (c3·9)
Winning blow: pawn to g7 (h6·2)
Winning blow: rook to b6 (b2)
Winning blow: knight to d4 (f3·5)
Winning blow: queen to f4 (d4)
Winning blow: queen to h5 (g6·2)
Winning blow: rook to a8 (f8)
Winning blow: knight to a6 (c5·2)
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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