Chess960 puzzles: Discovered attack
A piece steps aside and opens a second attack from the piece behind it.
982 puzzles
Discovered attack: rook to c1
Fork: knight to f7
Winning blow: knight to e6 (g5)
Attack on the uncastled king: pawn to b5 (a4·32)
Attack on the uncastled king: pawn to b5 (c4·28)
Attack on the uncastled king: pawn to h5 (g4·18)
Attack on the uncastled king: knight to b4 (d5·3)
Attack on the uncastled king: knight to e3 (c2·2)
Attack on the uncastled king: pawn to f4 (g3·52)
Winning blow: pawn to d6 (c5·3)
Attack on the uncastled king: pawn to d5 (e4·110)
Attack on the uncastled king: pawn to c5 (b4·33)
Attack on the uncastled king: pawn to g5 (f4·34)
Winning blow: rook to e5 (e4)
Attack on the uncastled king: knight to e5 (f3·13)
Winning blow: pawn to e6 (e5·2)
Winning blow: pawn to g3 (h2·7)
Winning blow: bishop to g4
Winning blow: bishop to f7 (a2)
Attack on the uncastled king: pawn to e5 (d4·102)
Winning blow: pawn to a5 (b4)
Attack on the uncastled king: pawn to c4 (d3·34)
Winning blow: bishop to e4 (g6)
Attack on the uncastled king: rook to f8 (f4)
Tactics
BatteryCheck chaseClearanceDecoyDeflectionDiscovered checkDouble checkWinning exchangeBishop forkKnight forkPawn forkQueen forkRook forkRoyal forkHanging pieceInterferenceOverloadAbsolute pinRelative pinWin the pinned piecePromotionQueen trapQuiet moveRemove the defenderSacrifice attackSkewerTrapped pieceUnderpromotionWinning blowX-rayZwischenzug