Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Mate in 3: pawn to c6
Mate in 3: queen to c4
Mate in 3: queen to e6 (f5)
Mate in 3: rook to b7
Mate in 3: queen to c6 (c3)
Mate in 3: knight to b1
Attack on the uncastled king: queen to g8 (h7·20)
Mate in 2: queen to d5 (d1·2)
Mate in 3: queen to d5 (d2)
Mate in 2: rook to b2 (a2)
Mate in 3: rook to a8
Attack on the uncastled king: pawn to b7 (b6·5)
Mate in 3: pawn to g4 (g3)
Mate in 3: bishop to f5 (e4)
Mate in 3: knight to c6 (a5)
Mate in 3: knight to e5 (f3)
Mate in 3: rook to d6
Attack on the uncastled king: queen to g6 (b1·6)
Mate in 3: queen to d6 (d2)
Mate in 3: bishop to e5 (g3)
Mate in 3: queen to d3 (f3)
Mate in 3: queen to b8 (f4)
Mate in 3: queen to f6 (f7)
Mate in 3: pawn to c6 (c5)
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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