Conditional moves are widely used in correspondence chess. It is possible to say here in the club also, that "If your next move will be Nxd4 then I will move Qxd4+". This works in more moves [..]

A simple way to describe a move. Examples: d2d4, c1d3, etc. The server accepts moves in this format, but converts them into SAN before recording.

Players can set where they live, this informs other players about them. The standard Olympic codes are used, such as BRA, USA, HUN, etc. Birth year and gender can also be set.

When a player plays many games his everyday work may be disturbed by the many incoming emails about his/her opponents' moves. Players can set that they want to get all their messages collected in [..]

A state of a game can be described by one textual line. This line consists of the positions of the pieces, castling availability, en passant target square and color at move. Despite a PGN text it is p [..]

Standard chess games, but the result doesn't influence players' results, ratings, rankings.

Except games of tournaments a game can be deleted by its players. When one of them wants to delete it the game will be deleted if the opponent agrees with the deletion. Deleting a game does not change [..]

The server keeps a log for each games. The start of the game, the taken moves and the result of the game are recorded in the logs. Events are recorded in the order of occurrence by their date and time [..]

The standard elo rating calculation is implemented by this method to take into attention how we can be sure in a player's strength in the club. While the uncertainty is high the player's rat [..]

Since there are players from all around the world in the club, each time information is shown in a dedicated time zone, which is the Greenwich Mean Time, or GMT.