Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: queen to a7 (a3)
Attack on the uncastled king: rook to e8 (e1·7)
Attack on the uncastled king: knight to f7 (g5·18)
Winning blow: knight to e5 (f3)
Winning blow: queen to c4 (f4)
Winning blow: knight to d4 (b5·2)
Winning blow: rook to c7
Winning blow: knight to b6 (d5·2)
Winning blow: knight to e6 (g5·2)
Attack on the uncastled king: knight to f7 (g5·19)
Winning blow: knight to c5 (e6·2)
Winning blow: king to a1 (b2)
Attack on the uncastled king: queen to b6 (c5·3)
Attack on the uncastled king: knight to f7 (g5·20)
Winning blow: queen to h6 (h7)
Attack on the uncastled king: knight to g6 (f4·2)
Winning blow: knight to e5 (d3·2)
Attack on the uncastled king: pawn to e7 (f6)
Attack on the uncastled king: queen to d4 (f2·5)
Winning blow: rook to f8 (f4·2)
Winning blow: knight to e6 (f8)
Attack on the uncastled king: knight to d6 (e4·7)
Attack on the uncastled king: queen to g6 (b1·2)
Winning blow: queen to g8 (g7)
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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