Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: rook to a7 (a8)
Winning blow: queen to b8 (b7·2)
Winning blow: rook to d2 (d1·5)
Winning blow: queen to f4 (g3·2)
Attack on the uncastled king: knight to f6 (d5·7)
Winning blow: queen to d8 (d7)
Winning blow: rook to b8 (b5·2)
Winning blow: bishop to b4 (c3·4)
Winning blow: knight to c5 (d3·7)
Attack on the uncastled king: knight to d6 (e4·13)
Winning blow: queen to h7 (d3·3)
Winning blow: knight to f6 (g4·5)
Winning blow: knight to c6 (d4·6)
Winning blow: queen to g8 (d5·3)
Winning blow: queen to a7 (a5·4)
Winning blow: knight to c6 (a5·4)
Winning blow: rook to e8 (b8)
Winning blow: knight to f5 (e3·12)
Winning blow: queen to g5 (c1·7)
Winning blow: queen to e6 (f6·2)
Winning blow: knight to a5 (c6·3)
Attack on the uncastled king: knight to e7 (f5·13)
Winning blow: queen to f3 (b7)
Attack on the uncastled king: queen to e5 (g3·2)
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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