Chess960 puzzles: Relative pin
A piece shields a more valuable one behind it — moving it loses material.
511 puzzles
Winning blow: queen to f5 (f2·3)
Winning blow: bishop to a5 (e1·2)
Winning blow: queen to a7 (a3·2)
Attack on the uncastled king: bishop to b5 (e2·8)
Winning blow: queen to c4 (f1)
Attack on the uncastled king: rook to e7 (e6)
Attack on the uncastled king: bishop to c6 (f3·4)
Winning blow: bishop to b6 (d4·2)
Attack on the uncastled king: queen to f1 (d1)
Winning blow: queen to e6 (g6·2)
Winning blow: pawn to b5 (a4·11)
Winning blow: queen to b8 (b4·2)
Attack on the uncastled king: queen to d4 (g1·6)
Winning blow: rook to f4 (e4)
Winning blow: pawn to f4 (g3·17)
Winning blow: rook to f7 (f8·4)
Attack on the uncastled king: pawn to c3 (b2·26)
Winning blow: bishop to d7 (c6)
Winning blow: queen to h6 (d2·4)
Winning blow: queen to a8 (b8)
Mate in 2: rook to a8 (a5·3)
Mate in 2: rook to g3
Mate in 2: knight to d5 (f4)
Mate in 2: knight to h6 (g4·2)
Tactics
BatteryCheck chaseClearanceDecoyDeflectionDiscovered attackDiscovered checkDouble checkWinning exchangeBishop forkKnight forkPawn forkQueen forkRook forkRoyal forkHanging pieceInterferenceOverloadAbsolute pinWin the pinned piecePromotionQueen trapQuiet moveRemove the defenderSacrifice attackSkewerTrapped pieceUnderpromotionWinning blowX-rayZwischenzug