Queen

Referenced by

• Absolute Seventh — An absolute seventh is a rook on the seventh rank that cannot be attacked or driven away by enemy pawns, thereby securing permanent control of that rank.
• Alekhine's Gun — Alekhine's Gun is a tripled major-piece battery on an open or half-open file with the queen behind two rooks to maximize pressure against a fixed weakness.
• Anderssen's Mate — Anderssen's Mate is a checkmate pattern in which a rook or queen checks the enemy king along an edge file or rank, supported by a friendly bishop or pawn that covers the sole flight square while the king's own pieces often block its other escapes.
• Babson Task — A Babson Task is a chess problem in which White must reply to each of Black’s four possible pawn promotions by promoting to the same piece to deliver mate.
• Back Rank — The back rank is the first rank for White or eighth for Black, where each king starts and often remains after castling, leaving it vulnerable to mate when its own pieces block all escape squares.
• Back-Rank Mate — A back-rank mate is a checkmate in which a king trapped on its back rank by its own unmoved pawns or pieces is attacked along that rank by an enemy rook or queen.
• Bean Counter — A bean counter is a player who overvalues raw material counts and point values at the expense of positional, dynamic, and initiative factors.
• Building A Bridge — Building a bridge is a rook-endgame technique, seen in the Lucena position, where the attacking rook moves beside its king to block lateral checks and let the king escort a seventh-rank passed pawn to promotion.
• Can Opener — The can-opener is a kingside attack in which a player advances the h-pawn, usually to h5 or h6, to force open the h-file against an opponent's castled king.
• Caveman Attack — A caveman attack is an unsophisticated, direct assault on the king that ignores positional principles in favor of crude threats and rapid piece activity.
• Centaur — In fairy chess a centaur is a piece that moves either as a knight or as a non-royal king.
• Chess Grinder — A chess grinder is a player who methodically converts small advantages through patient, technical endgame play and sustained concentration over long games.
• Chess960 — Chess960 (also called Fischer Random) is a chess variant in which the back-rank pieces are placed randomly at the start, subject to constraints that preserve castling options and balance.
• Clearance — Clearance is a tactical motif in which a piece moves aside to vacate a square or open a line for a more powerful piece—usually a rook or queen—often gaining tempo by delivering check or creating a threat.
• Coquio's Mate — Coquio's Mate is a checkmate pattern in which a queen protected by a knight mates a king trapped on the edge of the board by its own pieces or pawns.
• Corridor Mate — A corridor mate is a checkmate in which a rook or queen attacks the king along an open file or rank while the king’s own pieces or the board edge block escape on the adjacent lines, forming a narrow corridor.
• Cross Pin — A cross pin is a tactic in which one piece pins two enemy units along intersecting lines, so that either may be captured if it moves.
• Diagonal — A diagonal is a straight line of same-color squares joined corner-to-corner, along which bishops and queens move.
• Discovered Check — A discovered check occurs when one piece moves aside, revealing an attack on the enemy king from a second piece positioned behind it on the same line.
• Dovetail Mate — A dovetail mate is a queen mate against a king whose own pieces block its flight squares in a dovetail-like pattern, typically on the edge of the board.
• Epaulette Mate — An epaulette mate is a checkmate in which two rooks or queens attack the enemy king from adjacent squares on the same rank, blocking its lateral escapes like shoulder ornaments.
• Exchange — An exchange is a trade of pieces of equal value, most often a rook for a knight or bishop.
• Fairy Pieces — Fairy pieces are chess units whose movement or capture rules differ from the standard king, queen, rook, bishop, knight, and pawn, used chiefly in variants and problems.
• Family Fork — A family fork is a knight tactic that simultaneously attacks the enemy king, queen, and one or more rooks.