Chess960 puzzles: Relative pin
A piece shields a more valuable one behind it — moving it loses material.
511 puzzles
Winning blow: rook to e8 (e3·5)
Winning blow: queen to f7 (g6·7)
Winning blow: queen to d5 (e4·2)
Winning blow: rook to a7 (a1·8)
Mate in 2: discovered attack on h6
Mate in 3: bishop to e6 (c4·3)
Mate in 3: queen to e3 (d2)
Mate in 2: discovered attack on f6 (e4)
Winning blow: bishop to g6 (e4·4)
Mate in 2: queen to f4 (d4)
Mate in 3: queen to f2 (g1)
Mate in 3: rook to b8 (b6)
Mate in 3: bishop to h7
Mate in 3: bishop to h7 (c2)
Mate in 3: rook to a8 (c8)
Mate in 3: rook to f7 (e7·2)
Pin: queen to g2
Mate in 1: queen to h2 (g2)
Fork: queen to b3 (b4)
Fork: bishop to e5 (f6)
Winning blow: queen to d3 (h3·2)
Winning blow: pawn to g5 (g4·8)
Winning blow: queen to e6 (e7·4)
Mate in 2: queen to h3 (h4·2)
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