Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: rook to a8 (a7·4)
Winning blow: queen to c6 (a8)
Winning blow: knight to d7 (e5·15)
Winning blow: rook to g7 (g3·9)
Winning blow: queen to b7 (h1·5)
Winning blow: queen to e7 (c5·3)
Attack on the uncastled king: knight to g7 (f5·20)
Winning blow: knight to h6 (g4·2)
Winning blow: queen to g7 (a1·3)
Attack on the uncastled king: rook to b7 (b1·4)
Attack on the uncastled king: rook to b8 (b1·21)
Winning blow: queen to a7 (c5·6)
Winning blow: bishop to f6 (g7·4)
Winning blow: rook to e8 (e6·5)
Attack on the uncastled king: bishop to h7 (d3·5)
Winning blow: rook to f8 (e8·2)
Winning blow: queen to d4 (a4·4)
Winning blow: queen to g7 (h7·7)
Winning blow: rook to g7 (e7·3)
Winning blow: queen to b6 (b5·5)
Winning blow: queen to d6 (g3·4)
Winning blow: knight to d6 (b5·17)
Winning blow: queen to f7 (e6·4)
Winning blow: knight to c4 (d2·6)
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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