Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Mate in 2: queen to g8 (a8)
Mate in 2: queen to e7 (g5)
Attack on the uncastled king: knight to e6 (d4·29)
Mate in 2: queen to b6 (a7·3)
Mate in 2: rook to h8 (h4·2)
Mate in 2: queen to e7 (g7)
Mate in 2: queen to f8 (f3·2)
Mate in 2: queen to h8 (b2)
Mate in 2: queen to e8 (d8)
Mate in 2: queen to f6 (d6·2)
Mate in 2: rook to b8 (b7·3)
Attack on the uncastled king: queen to a7 (g1·6)
Mate in 2: queen to d8 (d4·2)
Mate in 2: queen to d8 (d4·3)
Attack on the uncastled king: queen to b7 (d5)
Attack on the uncastled king: queen to c8 (c2·5)
Mate in 2: queen to f8 (f6·2)
Mate in 2: queen to d8 (d3·3)
Mate in 2: knight to c5 (b3)
Mate in 2: queen to e8 (e7)
Mate in 2: queen to e8 (e7·2)
Mate in 2: queen to e7 (d7·2)
Mate in 2: queen to g7 (c3·3)
Mate in 2: queen to f6 (f5·4)
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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