Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Attack on the uncastled king: bishop to e6 (c4·3)
Winning blow: queen to f8 (f3·2)
Winning blow: knight to f6 (g4·2)
Attack on the uncastled king: knight to c6 (d4·7)
Winning blow: knight to b5 (d4)
Winning blow: knight to c6 (a7·4)
Winning blow: knight to e5 (d3·6)
Winning blow: knight to e7 (c6)
Winning blow: knight to d7 (f6·4)
Attack on the uncastled king: knight to d6 (f5·16)
Winning blow: rook to d6 (d3)
Attack on the uncastled king: knight to d6 (e8)
Winning blow: queen to f5 (f8)
Winning blow: queen to e7 (h7)
Winning blow: knight to d7 (e5·5)
Winning blow: knight to e6 (c5·6)
Winning blow: knight to g5 (f3·4)
Attack on the uncastled king: queen to f6 (b2·2)
Winning blow: knight to d5 (f4)
Winning blow: knight to c8 (d6·6)
Winning blow: knight to d7 (c5·3)
Attack on the uncastled king: knight to d6 (b5·6)
Winning blow: knight to e4 (c3·4)
Winning blow: bishop to e6 (f5)
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Tactics
BatteryCheck chaseClearanceDecoyDeflectionDiscovered attackDiscovered checkDouble checkWinning exchangeBishop forkKnight forkPawn forkQueen forkRook forkHanging pieceInterferenceOverloadAbsolute pinRelative pinWin the pinned piecePromotionQueen trapQuiet moveRemove the defenderSacrifice attackSkewerTrapped pieceUnderpromotionWinning blowX-rayZwischenzug