Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: queen to d4 (d1·2)
Winning blow: bishop to d4 (g1·7)
Winning blow: rook to d1 (g1·2)
Attack on the uncastled king: king to c2 (b1·11)
Winning blow: queen to e5 (h5)
Attack on the uncastled king: rook to h8 (h7·4)
Attack on the uncastled king: knight to e6 (g5·11)
Winning blow: knight to e6 (c5·8)
Attack on the uncastled king: knight to d6 (b5·11)
Winning blow: pawn to f7 (g6)
Winning blow: bishop to f4 (c7)
Winning blow: knight to g7 (f5·5)
Winning blow: queen to a6 (a5·2)
Winning blow: knight to e7 (d5·16)
Winning blow: rook to b8 (b5·3)
Winning blow: knight to a1 (c2)
Winning blow: queen to c7 (c1)
Winning blow: pawn to f6 (g5·8)
Winning blow: rook to f8 (f1·4)
Winning blow: queen to h5 (g4)
Winning blow: knight to c6 (a5·5)
Winning blow: queen to a6 (a3·3)
Winning blow: knight to e7 (f5·17)
Winning blow: bishop to b7 (a6·3)
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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