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 (e2·2)
Winning blow: queen to g6 (g7·2)
Attack on the uncastled king: queen to f4 (d2·3)
Winning blow: queen to c5 (a5)
Winning blow: knight to c2 (e3·2)
Winning blow: pawn to f5 (f4·2)
Winning blow: rook to e8 (e5·3)
Winning blow: rook to b3 (c3·2)
Winning blow: queen to g5 (f4·2)
Winning blow: rook to b1 (c1·7)
Winning blow: knight to c5 (e6·8)
Winning blow: knight to d5 (e3·12)
Attack on the uncastled king: knight to e7 (f5·15)
Winning blow: queen to g7 (f7)
Winning blow: knight to e5 (f3·13)
Winning blow: rook to e8 (a8)
Winning blow: knight to e6 (d4·12)
Winning blow: knight to d7 (c5·12)
Winning blow: rook to d7 (d1·15)
Attack on the uncastled king: queen to b8 (a7·17)
Attack on the uncastled king: bishop to b3 (c2·4)
Winning blow: knight to f6 (e4·17)
Attack on the uncastled king: queen to f6 (f2·3)
Winning blow: queen to b5 (a6·4)
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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