Chess960 puzzles: Discovered attack
A piece steps aside and opens a second attack from the piece behind it.
982 puzzles
Winning blow: knight to e6 (c5·21)
Discovered attack: bishop to h7 (d3·7)
Discovered attack: rook to d4 (e4)
Mate in 3: discovered attack on e7
Fork: queen to e4 (f4)
Discovered attack: bishop to h3 (d7)
Fork: pawn to g6
Attack on the uncastled king: knight to e5 (f3·20)
Winning blow: bishop to c6 (d5·4)
Winning blow: rook to d8 (g8·3)
Winning blow: knight to a7 (b5·3)
Winning blow: pawn to f7 (e6·5)
Winning blow: bishop to h5 (g4·2)
Winning blow: knight to e6 (c7·6)
Winning blow: queen to f8 (f7·3)
Winning blow: knight to d6 (e4·16)
Winning blow: knight to f6 (h7·4)
Attack on the uncastled king: pawn to c4 (b3·44)
Winning blow: rook to d8 (d3·6)
Winning blow: rook to e1 (a1·8)
Winning blow: knight to g6 (f4·10)
Winning blow: pawn to d5 (d4·11)
Winning blow: knight to c7 (d5·11)
Winning blow: bishop to d6 (c5·7)
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