Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Discovered attack: knight to h3 (g5)
Fork: rook to h8
Mate in 2: queen to h2 (h4·5)
Fork: queen to h4
Mate in 2: discovered attack on f7 (g5)
Mate in 2: queen to d7 (d4·3)
Mate in 2: queen to h7 (g6·2)
Attack on the uncastled king: queen to g8 (a2·5)
Mate in 2: queen to g6 (h5·6)
Mate in 2: rook to d5 (d6)
Mate in 2: bishop to e6 (a2)
Mate in 2: queen to e8 (e4·10)
Attack on the uncastled king: queen to f7 (f3·8)
Mate in 2: queen to g5 (e3·2)
Mate in 2: rook to e8 (d8·5)
Mate in 2: queen to e8 (a4·2)
Mate in 2: queen to f7 (f5·5)
Fork: rook to d4 (e4)
Fork: bishop to f4
Fork: rook to e5 (e2)
Mate in 2: queen to e7 (e1)
Fork: knight to d5 (f4·2)
Mate in 1: queen to h7 (e4·7)
Fork: rook to e7 (b7)
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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