A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

The grandmaster (GM) title is the highest title awarded by FIDE. It is obtained by both acquiring a 2500 Elo rating, and achieving three "grandmaster norms," tournament performances of a sufficiently …
148 questions
PGN stands for Portable Game Notation. This is a file format for storing chess games (both the moves and various header data such as players' names) that is easily read by people while also easy for …
147 questions
For all questions related to the World Chess Championship: its holders, contestants, history, etc.
141 questions
Questions about the middlegame. The middlegame is the stage of the game after the opening has been completed and most of the pieces have been developed, but before the endgame. In the middlegame…
140 questions
Questions relating to castling
128 questions
For questions about various time controls. See also the tag time-management.
122 questions
Questions concerning the overall configuration of pawns in a game, e.g. what pawn structure features should be sought or avoided, when to alter the structure, how to work with one's pieces in a given …
118 questions
Questions relating to the Knight
113 questions
Questions concerning the mathematics of the game of chess, or chess-related mathematical pursuits.
111 questions
Notation refers to any formalized method of recording chess games so they can be replayed and shared later. Common notations include algebraic, figurine algebraic, descriptive, and the digital PGN fo…
104 questions
A gambit is an opening where one player sacrifices material - usually a pawn, but sometimes multiple pawns or even a piece - in order to gain some positional advantage, e.g. a lead in development or m…
100 questions
A semi-open defense with a well-earned reputation for producing solid positions that are sometimes a bit stodgy. The usual move order is 1. e4 c6 2. d4 d5.
97 questions
Questions relating to the Bishop.
96 questions
Questions related to techniques for promoting pawns, or the promotion itself.
93 questions
Questions relating to check
93 questions
Questions regarding the written rules, or the unwritten customs, that concern proper behavior in the world of chess.
93 questions
Tablebases are databases that contain complete, exhaustively calculated moves and variations for a given collection of chess positions. E.g. the Nalimov tablebases contain full solutions for all endga…
90 questions
Certain games are famous and well known among chess players, e.g. the Immortal game.
90 questions
A blunder is a move that is a mistake that leads to losing material (e.g. a pawn or a piece) more or less without any compensation.
87 questions
Games played by demonstrably skilled players such as FIDE IMs and GMs, or those of similar strength pre-FIDE.
86 questions
For questions about the lichess.org website. Please note that we are NOT Lichess support; some questions are simply not answerable by us.
83 questions
Questions relating to the Queen
82 questions
Questions relating to well-known chess players.
81 questions
A chess game is said to end in stalemate when the player to move has no legal move and his king is not in check.
81 questions
The French Defense begins with 1. e4 e6 2. d4 d5. Black plans to play a solid setup and contest white's center with moves like c5 and Nc6. The biggest drawback to the French Defense is that black's …
80 questions
1. e4 is White's most common first move (except at the top grandmaster level). It tends to produce open games.
The Ruy Lopez (or Spanish Game) is the chess opening which begins with the moves 1. e4 e5 2. Nf3 Nc6 3. Bb5.
78 questions
Question relating to sacrificing material in chess
78 questions
Universal Chess Interface (UCI) is the interface protocol used by most of the major chess engines.
78 questions
Chessbase is a popular chess software for saving games, searching game databases and analysing games using a chess engine.
76 questions
Questions relating to learning about chess or analyzing positions on the chessboard. Not to be confused with the concept of an "endgame study", a kind of chess puzzle.
74 questions
Questions relating to the King
72 questions
Questions relating to the chess pieces in a general, abstract sense; questions about physical pieces (e.g. identification questions) should be tagged [chess-set] instead.
72 questions
Retrograde analysis is the method of deducing information by working backwards from a given position or outcome. This information can be about past positions of the same game, or may contain forward c…
72 questions
Blitz chess is chess played with very short time controls, typically 5 minutes per side or less.
70 questions
Questions related to the Norwegian Grandmaster and former World Champion Magnus Carlsen.
68 questions
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