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 c5 (d4·54)
Winning blow: pawn to e7 (d6·2)
Attack on the uncastled king: pawn to e6 (f5·18)
Attack on the uncastled king: pawn to f5 (e4·68)
Attack on the uncastled king: pawn to e5 (d4·104)
Attack on the uncastled king: bishop to d3 (f5)
Winning blow: king to d2 (c2·2)
Winning blow: pawn to e3 (d2·6)
Attack on the uncastled king: knight to b5 (c3·16)
Winning blow: queen to d7 (d4)
Winning blow: knight to c7 (a6)
Winning blow: pawn to c5 (d4·7)
Winning blow: knight to c8 (d6·5)
Winning blow: pawn to b3 (a2·8)
Winning blow: pawn to f6 (g5·6)
Winning blow: knight to h6 (f5·4)
Winning blow: pawn to b6 (c5·3)
Attack on the uncastled king: pawn to f5 (e4·70)
Winning blow: pawn to d5 (e4·11)
Attack on the uncastled king: pawn to e5 (f4·88)
Winning blow: knight to c6 (e7)
Winning blow: knight to e2 (c3)
Winning blow: pawn to f6 (e5·3)
Attack on the uncastled king: pawn to e5 (f4·89)
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