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: king to c2 (d1·12)
Attack on the uncastled king: king to c2 (d1·13)
Attack on the uncastled king: bishop to d3 (e4)
Winning blow: king to f2 (e1·4)
Winning blow: king to d2 (e1·6)
Winning blow: king to h2 (g1·2)
Winning blow: king to d1 (d2)
Winning blow: king to b2 (b1·5)
Winning blow: king to d2 (d1)
Winning blow: king to c2 (c1·2)
Winning blow: king to d2 (c1·4)
Winning blow: knight to b2 (c4)
Attack on the uncastled king: king to h2 (g1·5)
Winning blow: king to d2 (c1·6)
Attack on the uncastled king: queen to a1 (b2)
Winning blow: king to e2 (d1·4)
Winning blow: king to e2 (f3·2)
Attack on the uncastled king: king to a2 (b1·3)
Winning blow: king to d2 (d1·3)
Attack on the uncastled king: king to f2 (e1·12)
Winning blow: pawn to c4 (c3)
Winning blow: knight to e2 (c1)
Winning blow: king to b2 (c1·11)
Winning blow: king to b2 (c1·12)
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