Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: queen to a6 (a4·3)
Winning blow: queen to d4 (c4)
Winning blow: pawn to g7 (f6·2)
Winning blow: knight to b6 (a8·2)
Attack on the uncastled king: bishop to f4 (h2·2)
Winning blow: rook to h4 (f4)
Winning blow: bishop to a4 (d1)
Attack on the uncastled king: bishop to b5 (d3·6)
Winning blow: queen to e5 (h5·2)
Winning blow: knight to d6 (b5·12)
Winning blow: queen to c6 (e4·4)
Winning blow: bishop to d5 (c4·4)
Winning blow: king to f1 (e1·15)
Attack on the uncastled king: queen to f5 (f1)
Attack on the uncastled king: knight to d5 (e3·16)
Winning blow: rook to e7 (b7·2)
Attack on the uncastled king: queen to e5 (g7·2)
Winning blow: rook to h6 (h2)
Attack on the uncastled king: queen to d5 (a5·3)
Winning blow: queen to h5 (g4·2)
Winning blow: queen to e5 (g3·2)
Winning blow: rook to c1 (h1·5)
Winning blow: knight to c7 (d5·10)
Winning blow: bishop to e4 (c6)
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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