Chess960 puzzles: Relative pin
A piece shields a more valuable one behind it — moving it loses material.
511 puzzles
Winning blow: rook to f6 (f1)
Attack on the uncastled king: queen to a8 (a4·3)
Winning blow: queen to d6 (h6)
Winning blow: rook to g7 (g1)
Winning blow: bishop to d4 (f2·4)
Winning blow: queen to c4 (b3)
Mate in 3: queen to h5
Back-rank mate in 1 on d1 (d8)
Mate in 1: queen to h1 (h2)
Mate in 3: bishop to a6
Mate in 2: queen to h2 (c7·2)
Mate in 1: queen to f7 (g6·2)
Mate in 1: queen to f8 (d6)
Mate in 2: queen to h2 (h4·3)
Mate in 1: queen to h2 (h5·2)
Mate in 1: queen to h2 (d6·6)
Mate in 1: queen to f8 (d6·2)
Mate in 2: deflection on h7
Mate in 1: queen to e8 (g6)
Mate in 2: queen to h8 (h7)
Mate in 1: queen to g7 (f8)
Fork: queen to d4 (d8)
Mate in 2: bishop to f2 (g1)
Mate in 1: queen to h7 (h6·7)
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