Turn-Based Go Servers
... allow you to play Go whenever you like, for as long (or short) as you want, from wherever you are: at home, at work, abroad ... "Time" has a slightly different meaning on these servers (see also Fischer Timing / Discussion).
For real-time Go servers, see Go servers.
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You do not have to finish a started game at once. You log in once every 12, 24, 48 or n hours (or every few minutes :) to place your next move (in as few or as many games as you want to have running), whenever you feel for it or have the occasion. Thus games can (sometimes will) take several weeks or even months.
For those of us, who wish not to be online all the time (or to get into a long game at one session), this is a great alternative. Most turn-based Go servers require only a web browser; so no need to download/install a Go client, or having to ask an admin to reconfigure a firewall; even a public PC with Internet access will do: kiosk, library, office ...
- Dragon Go Server (DGS)
- OGS aka Online-go
- Dave Peck's Go
- A turn-based go server with a beautiful interface that makes it dead simple to start a game. No login or accounts are required; just choose your opponent's email address or twitter account and start playing. Supports 19x19, 13x13, and 9x9 boards with handicaps. In-game chat, viewable game history, and ability to export to SGF. If you're both playing at the same time, the game will automatically update without refreshing the page. More features coming soon! No Java, Flash, or any other plugins needed. GitHub site
- Go Shrine
- upcoming server - to discuss
- No Strive Go
- A web-based Go Server. Using AJAX, it enable you to play Go by a browser. NSG is a real-time Go server, but don't have time limitation, so, you can play as fast you can when you are free, and as slowly as you will when you are busy. (see its FAQ)
Last but not least: our very own Sensei's Library allows to play ongoing games.
- As of April, BrainKing? added Go (19x19, 13x13, and 9x9) to its huge list of playable games, alongside Chess, Shogi, Xiangqi, Pente, and many (many!) others. Multilingual.
- 9x9 and 19x19 Go, several more kinds of games. German. No special client, Java, Flash, Installation or Download required. Tournaments. Go landing pages: Go 9x9, Go 19x19.
- FICGS Go Server
- Free International Correspondence Chess & Go Server, several languages (among which English (origin), French, Italian, German, and Spanish). Tournaments.
- Free-to-play server for Checkers, Chess, Go, Reversi and more! Some features for Go: ladder tournament, play humans or bots, 9x9, 13x13, and 19x19 boards, Chinese and Japanese scoring, private games (useful for teaching), all games saved and reviewable, and many more.
- Little Golem
- Turn-based game server, including 9x9, 13x13 and 19x19 Go. This server is centred around tournament play. Individual (unrated) games are also possible. Using Capped Fischer Timing, the time limit is 240 hours per player plus 36 hours per move, but with vacation time a game will only time out when a player does not move for 30 days. (HTML)
- ItsYourTurn.com (IYT)
- Includes Go, Go-Moku, Chess, Chinese Chess, and other games. Time limits are from 3 days per move to 45 days per move, but allow no byo-yomi. Free + membership. English only?
A drawback is that there is often a dispute on scoring (usually due to walls not being fully built on the edges). axd: This should be the same problem on all servers; it should be solved by resuming play - if possible; not so. When both players pass, the game ends automatically, without a possibility to resume, settle anything. Fortunately, there is the feature that you can complain to the staff to change the winner if the game scores wrongly, which is especially useful in tournaments. (In ladder games, you can also do that, but it doesn't fix your position; to do that, just begin a new game.)
- Turn-based game playing includes Go, Chess and other games. Free to play.
- Richard's PBeM Server
- supports 9x9, 13x13, and 19x19 Go; two Go variants; and hundreds of other games. Play-by-email interface and web interface example: go. Read the user manual attentively...
- Several kinds of games. Tournaments.
- Dutch server (looks almost a copy of YourturnMyturn) where all kind of games can be played. Just one of them is Go (19x19 and 9x9). Tournaments. Free + membership. (Java)
- It is also possible to play turn-based games on KGS, by setting the time system to "None". Then it's possible to make your move even if the opponent is not logged in. Playing turn-based games at KGS has the advantage that you can play in realtime if you want the game to finish a bit sooner than it would with one move a day, as well as being able to play an unlimited number of simultaneous games. The disadvantage is that games cannot affect rank if they last longer than 6 months, and escapers are unpunished. Free + membership. (Java)