Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Attack on the uncastled king: knight to e6 (d4·12)
Winning blow: queen to e4 (e2·3)
Winning blow: knight to c6 (a5·2)
Winning blow: knight to h5 (g3·3)
Attack on the uncastled king: knight to d6 (b5·7)
Attack on the uncastled king: knight to b7 (d6)
Winning blow: knight to f7 (h6·2)
Winning blow: knight to e5 (c4·2)
Winning blow: knight to g6 (e5·3)
Attack on the uncastled king: knight to d7 (f6·2)
Attack on the uncastled king: queen to f6 (c3)
Winning blow: knight to e5 (f3·5)
Winning blow: queen to c7 (c6·2)
Winning blow: queen to c3 (e1)
Winning blow: knight to d7 (e5·8)
Attack on the uncastled king: queen to f6 (b2·3)
Winning blow: knight to d6 (f5·4)
Winning blow: rook to g6 (g1)
Winning blow: knight to e6 (g5·5)
Attack on the uncastled king: knight to e6 (d4·13)
Winning blow: queen to d5 (h1·3)
Winning blow: knight to d7 (c5·7)
Winning blow: knight to c6 (a7·5)
Winning blow: knight to f5 (d4·3)
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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