Chess960 puzzles: Relative pin
A piece shields a more valuable one behind it — moving it loses material.
511 puzzles
Mate in 3: bishop to f7 (g8)
Mate in 3: queen to a5 (c3·2)
Mate in 3: pawn to f3 (g2)
Mate in 2: queen to g6 (d3·8)
Mate in 2: queen to a6 (f1·5)
Mate in 3: queen to f6 (a1·2)
Winning blow: queen to h7 (b1·2)
Attack on the uncastled king: rook to e6 (d6)
Winning blow: queen to e5 (h5·4)
Mate in 2: rook to f7 (h7)
Mate in 2: knight to e7 (f5·6)
Attack on the uncastled king: rook to e6 (c6)
Mate in 2: rook to e6 (e1)
Mate in 2: queen to b7 (b6·5)
Mate in 2: queen to a2 (d5)
Winning blow: queen to c8 (c7)
Mate in 2: rook to b8 (b1·5)
Winning blow: rook to d1 (f1·6)
Attack on the uncastled king: bishop to f4 (c1·36)
Winning blow: queen to b8 (b7·5)
Attack on the uncastled king: bishop to e5 (b2·3)
Winning blow: bishop to b4 (a5·2)
Winning blow: queen to b6 (a7·5)
Winning blow: king to c1 (b1·26)
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