Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: knight to b6 (c4·7)
Winning blow: knight to e5 (f3·12)
Winning blow: knight to g6 (f4·6)
Winning blow: queen to b7 (b3·3)
Winning blow: queen to f6 (h8·3)
Winning blow: knight to e5 (d3·11)
Winning blow: knight to e6 (c5·11)
Attack on the uncastled king: bishop to c6 (e4·9)
Winning blow: bishop to f6 (d4·4)
Attack on the uncastled king: knight to b6 (c4·3)
Winning blow: queen to f7 (f2·3)
Winning blow: knight to d5 (c3·8)
Winning blow: queen to b7 (b3·4)
Attack on the uncastled king: knight to c6 (d4·11)
Attack on the uncastled king: knight to d7 (f6·3)
Winning blow: queen to e6 (b3)
Winning blow: bishop to g7 (h6·4)
Winning blow: knight to e6 (d4·10)
Winning blow: knight to g6 (e5·5)
Attack on the uncastled king: rook to d7 (d4)
Winning blow: queen to d6 (a3·2)
Winning blow: knight to f6 (e8·2)
Winning blow: knight to c6 (b4·5)
Winning blow: rook to c7 (c1·10)
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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