Chess960 puzzles: Discovered attack
A piece steps aside and opens a second attack from the piece behind it.
982 puzzles
Attack on the uncastled king: pawn to c3 (b2·23)
Winning blow: pawn to e7 (f6)
Attack on the uncastled king: pawn to g7 (f6)
Winning blow: knight to g7 (f5·2)
Winning blow: knight to e4 (g5·2)
Winning blow: knight to b6 (d5·4)
Winning blow: queen to f6 (e7)
Winning blow: pawn to f4 (g3·11)
Winning blow: queen to f5 (d3·3)
Attack on the uncastled king: knight to e4 (g5·6)
Winning blow: queen to h6 (h4·3)
Winning blow: pawn to d4 (e3·6)
Winning blow: king to d2 (e1·14)
Winning blow: bishop to g6 (b1·6)
Winning blow: pawn to g6 (f5·5)
Winning blow: rook to g4 (g3)
Winning blow: knight to e5 (c4·3)
Winning blow: pawn to g6 (f5·6)
Winning blow: pawn to f6 (e5·6)
Attack on the uncastled king: pawn to c3 (b2·24)
Winning blow: queen to f6 (a1·2)
Winning blow: bishop to f7 (h5·2)
Winning blow: pawn to g5 (h4·8)
Winning blow: bishop to b5 (a6·2)
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