Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: knight to d7 (e5·11)
Winning blow: knight to c7 (d5·7)
Winning blow: knight to f6 (g4·3)
Winning blow: knight to e5 (f3·6)
Attack on the uncastled king: knight to d6 (b5·10)
Winning blow: knight to e7 (f5·14)
Winning blow: knight to d5 (c7·3)
Winning blow: knight to d7 (c5·9)
Winning blow: knight to e6 (f4·4)
Winning blow: knight to d6 (b5·5)
Winning blow: knight to f7 (e5·5)
Winning blow: queen to g6 (h5·2)
Attack on the uncastled king: knight to f7 (g5·27)
Attack on the uncastled king: knight to e7 (f5·12)
Winning blow: knight to d6 (b7)
Winning blow: knight to e7 (d5·13)
Attack on the uncastled king: queen to g6 (g4)
Attack on the uncastled king: knight to b6 (d5)
Attack on the uncastled king: knight to c7 (b5·25)
Attack on the uncastled king: knight to c7 (d5·22)
Winning blow: knight to c6 (e5·10)
Winning blow: queen to d5 (f3)
Attack on the uncastled king: rook to c8 (c1·11)
Winning blow: queen to e7 (e8)
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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