Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: queen to h3 (f1·2)
Winning blow: knight to e7 (f5·7)
Winning blow: knight to d5 (c3·5)
Attack on the uncastled king: knight to d6 (e4·10)
Winning blow: knight to e7 (d5·6)
Winning blow: knight to e1 (d3)
Winning blow: knight to c8 (d6·5)
Attack on the uncastled king: queen to b4 (e1·9)
Winning blow: knight to e5 (d3·5)
Winning blow: pawn to f7
Winning blow: queen to d4 (d3·2)
Winning blow: knight to d6 (e4·2)
Winning blow: queen to f5 (b1·2)
Attack on the uncastled king: queen to g5 (g1)
Attack on the uncastled king: queen to c6 (h1·6)
Winning blow: queen to d5 (e5)
Winning blow: bishop to e6 (h3)
Winning blow: queen to e7 (e6)
Attack on the uncastled king: knight to c6 (d4·6)
Winning blow: knight to c5 (d3·2)
Attack on the uncastled king: queen to f8 (g7·3)
Winning blow: queen to g7 (b7·2)
Winning blow: knight to f6 (h5·3)
Winning blow: knight to c5 (e6·4)
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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