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Congratulations, you have unlocked a new feature on the site! You can now make your own opponents, with custom names and faces. Click the link below to get started:
You can also change them later, by opening the Options dialog and clicking 'Customize opponents' there. Enjoy!
Welcome to the Matrix.
Chess is one of the oldest known board games still played to this day. The rules of chess have varied greatly since its invention, but by now have been fairly standardized and commonly known. The rules presented here are the basic rules of the game of chess, but a detailed overview of how the game is played can be found at Wikipedia or the official ruleset of the International chess federation.
The game of chess is played on an 8x8 checkered board, where the rows are marked from 1-8 and referred to as "ranks" and the columns marked from "A" to "H", referred to as "files". The square marked as "A1" should be black. The player controlling the white pieces places his pieces on ranks 1 and 2, and the player playing the black pieces places his pieces on ranks 7 and 8. The pawns are placed on ranks 2 and 7. The other pieces are placed on ranks 1 and 8 as followed, starting from the "A" file: A rook, a knight, a bishop, a queen, a king, a bishop, a knight, and a rook. The player who has white goes first, and players alternate moves after that.
The game can end under the following circumstances:
The six pieces move as follows:
When a player makes a move in which any of his pieces threatens to capture the opponents king the next turn the king is said to be in check. A player in check must make a move that results in the check being relieved; be that by moving the king out of the way, capturing the threatning piece, or placing a piece in between the king and threatning piece. A player that has no legal move out of the check has lost the game (referred to a Checkmate). A player can be placed in check by multiple pieces at once, and must get out of all checks at once. A player can not remain in check. A player may never make a move that results in his own king being in check.
Chess has been requested many times over the years, but we've always been a bit afraid to give it a go, because making a good chess opponent is quite difficult. We made our own chess engine for the easy and medium players (Bill and Bill Sr.) but for the hard player (Ann) we use the open source Garbochess-JS engine written by Gary Linscott, since we just weren't able to make our own engine strong enough, we really aren't chess experts 🙂.
But really the main purpose for this chess game is to let people play online chess against other people in a simple and easy way. Some of the other chess sites on the internet are very good, for example chess.com and lichess.org but they are also pretty complex and cluttered, sometimes you just want to play chess online but not think about scoreboards and creating accounts and all those things, and that's where we come in, we aim to be the simplest and easiest multiplayer chess site!
We've also made a simple single-purpose website for easily making images of chess boards, using the same graphics we use here. If you need a picture of a particular position you can easily make it, or just paste in the FEN for it at chessboardimage.com
This is version 2387 of Chess.