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 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…
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.
the opening given by the moves 1.d4 d5 2.c4. White offers a pawn in order to gain more central control.
a semi-closed opening starting with 1. d4 Nf6 2. c4 g6 3. Nc3 d6. Black develops with Bg7 and O-O and then either e5 or c5 depending on white's setup. The KID…
For questions about the lichess.org website. Please note that we are NOT Lichess support; some questions are simply not answerable by us.
Acronym for "Shane's Chess Information Database", an open-source application to view, edit, and manage collections of chess games.
A move that doesn't respect the rules of chess.
Questions related to the Norwegian Grandmaster and current (as of 2021Jan20) World Champion Magnus Carlsen.
Robert J. Fischer (1943-2008) was an American grandmaster and world chess champion. At the height of his skills (1972) he was peerless. He was known for his meticulous preparation, deep understanding…
the ability of a chess player to calculate variations in a given position.
Questions dealing with how to defend against attack, and how to choose moves that are defensive in nature. Note 'defensive' does not mean passive.
Sets of webpages linked to each other in web domains.
Questions related to capturing in chess.
Correspondence chess was traditionally played using postal mail, nowadays it's more common to use dedicated servers. Time limits are usually measured in days.
Endgames where each side has a king, a rook, and possibly some pawns
For questions about the Alpha Zero chess engine, currently the strongest chess engine there is, using artificial intelligence rather than minimax algorithms.
a timing device used to keep games moving. When a player's time runs out, she faces some penalty, frequently the loss of the game. For questions about time controls or time management…
Questions about the United States Chess Federation. The non-profit governing organization for US over-the-board chess.
For questions about the boards used for playing chess.
a rule allowing a pawn to make a special-case capture.
The chess pieces have been assigned point values to serve as a general guide as to their relative worth.
a standard notation for recording a particular chess position, including the location of pieces, which side is to move, what castling rights are available, etc.
Questions about time management during a chess game.
Questions relating to developing a strategy while in a game
The practice of putting something together before a chess game or tournament into a state where it is ready for action. Preparation is usually used in reference to openings, as one can "prepare an ope…
The pawn endgame arrives at the end of the game when there are only pawns and kings on board. The play focuses on trying to promote a pawn or preventing an opponent from promoting a pawn.
For questions about annotated chess games and the symbols used when annotating chess games.
Questions concerning cheating in various forms, for example using a chess computer in tournaments or throwing a game.
Questions related to resigning a game of chess
a chess variant in which the positions of the pieces are decided by lot. The point of Chess960 is to stress understanding and calculation, not memorization.
Questions about the fifty-move rule
For questions about the threefold repetition rule, which states a player can claim a draw if it's his/her move and a position has appeared / is about to appear which happened before at least twice.
Questions about teaching chess, chess strategies etc.
In blindfold chess, players play without sight of the board. They state their moves verbally while a referee makes them on a board, checking for correctness etc.
Garry Kasparov was the World Chess Champion from 1985 to 2000. He is often cited as one of the strongest players in the history of the game, if not the strongest.
Best practice (http://en.wikipedia.org/wiki/Best_practice) is the best way of doing something or the recommended way of doing something in a high-quality manner.