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White can force mate in two moves by playing 1. Kc6, leading to the position in Figure 2. There are only two legal moves for black from this position, both of which lead to checkmate: if 1...Kb8 2. Qb7#, and if 1...Kd8 2. Qd7# (Figure 3). Figure 3, before White's second move, is defined as "mate in one ply." Figure 2, after White's first move ...
Lichess (/ ˈ l iː tʃ ɛ s /; LEE-ches) [3] [4] is a free and open-source Internet chess server run by a non-profit organization of the same name. Users of the site can play online chess anonymously and optionally register an account to play rated games .
Chess.com saw more than twice as many account registrations in November as it had in previous months, and the number of games played monthly on Lichess doubled as well. [10] There was also a demographic shift in players, with female registration on Chess.com shifting from 22% of new players to 27% of new players.
Mark Glickman created the Glicko rating system in 1995 as an improvement on the Elo rating system. [1]Both the Glicko and Glicko-2 rating systems are under public domain and have been implemented on game servers online like Counter-Strike: Global Offensive, Team Fortress 2, [2] Dota 2, [3] Guild Wars 2, [4] Splatoon 2, [5] Online-go.com, [6] Lichess and chess.com.
The majority of chess writers and editors consider symbols more than two characters long unnecessary. However a few writers have used three or more exclamation points ("!!!") for an exceptionally brilliant move, three or more questions marks ("???") for an exceptionally bad blunder, or unusual combinations of exclamation points and question ...
1 king – most important piece, and one of the weakest (until the endgame). The object of the game is checkmate, by placing the enemy king in check in a way that it cannot escape capture in the next move. On the top of the piece is a cross. 1 queen – most powerful piece in the game, with a relative value of 9 points. The top of the piece is ...
Lichess Stockfish, a version for playing variants without fairy pieces. [ 20 ] Crystal, which seeks to address common issues with chess engines such as positional or tactical blindness due to over reductions or over pruning, draw blindness due to the move horizon and displayed principal variation reliability.
Three-check chess, also simply known as three-check, is a chess variant where a player can win by placing their opponent in check three times. Apart from this, standard rules of chess apply, including starting position and other ending conditions, such as stalemate and checkmate.