go9dan.com
go9dan.com is a Go server at http://www.go9dan.com/. It hosts many pro and strong amateur tournaments and leagues and features ongoing tournaments that award real cash prizes.
Help pages http://go9dan.com/Home/GetStarted
Browser requirements IE9 and above. Other browsers should just work.
Interface languages English, Chinese, Korean, Japanese
Ratings are based on an ELO variant; ranks follow ratings
Undo is not allowed.
Automated score estimation is allowed even during ranked games
Time counting is like ByoYomi. There is no disconnect protection. To resume a disconnected or adjourned game after logging back in, click that game's tab above the lobby. If it's not there, then the game was already lost on time.
Teaching game auction Using go9dan.com's unique automated bidding system, prospective students may offer to pay for games and prospective teachers may offer games at various prices. Teachers may also offer lectures for a fee.
Special Events on go9dan.com
- World Go League
For three months beginning January 27, 2013, ten of the world’s super professional Go players will play off in the World Go League Invitational for prizes totaling $100,000. Players will be Lee Sedol, Lee Changho, Kong Jie, Xie He, Chen Yaoye, Park Junghwan, Kim Jiseok, Pak Yeonghun, Shi Yue and Fan Tingyu. Each player will play nine games. Go aficionados will note the ultra-high level of the participants in this “best of the best” league, particularly when compared to the early rounds of many major tournaments. It is anticipated that most of the games will be fascinating and innovative.
- Sedol Lee vs. Western Pros Ten-Game Match
Western professionals Catalin Taranu, Gansheng Shi and Andy Liu Liu Zhi Yuan formed a team that will play one game per week with Lee Sedol.
The first game starts at even game with 6.5 komi. If either side wins two games in a row, the handicap for the next game will change as follows:
Even -> black with no komi -> black with 3 points reverse komi -> 2 stones
It goes both ways so for example if the Western team wins the first two games, then Lee would play the next game at black with no komi. At the end of the 10 game series, if the AGA team is at black or better, then each pro will win $1,000. If the team’s final handicap is less than black, then the team will not get paid.
- Sedol Lee Challenge
World Go Champion Lee Sedol has challenged absolutely everyone to try to beat him. The Sedol Challenge is open to any player in the world. Games will be played on go9dan.com. If the challenger wins, go9dan will pay $30,000. If the champion wins, the challenger’s sponsor will pay Sedol Lee $30,000. The Challenge will be best two out of three games played even with 6.5 points komi. In case there are multiple challengers, World Championship title holders followed by National Championship title holders will be given priority. Once the challenge is set, the dates and times of the matches will be announced.
- AGA - Europe League
The top European and American players are invited to a tournament with prize money for the best 8 plus a chance to play Lee Sedol 9P.
Tournament rules:
- The top 50 European and the top 50 American players are invited to two separate leagues
- Mini-leagues of 5-7 players in round-robin tournaments during the first half of the month
- 10 minutes basic time and 3 periods of 30 seconds byoyomi
- 8 players will advance to a knock-out tournament
- The 2 finalists will play a best out of 3 match with 20 minutes basic time and 3 periods of 30 seconds byoyomi
- Tournament fee: 1000 Gold (the "currency" used on Go9dan?.com).
- Winner of this tournament will play a game against Lee Sedol 9P. If Sedol is defeated, the prize money of our winner will double up. The prize pool will be announced prior to the tournament start.
The tournament will start in March 2013. Registration ends February 28. You can register by email to mjs at go9dan.com. When registering, please let us know your real name and username on go9dan.com.