\n\n∗ means the games were finished by timeout or retirement.\n\nPlease refer to the basic rules here.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"korean","time_per_move":93120,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":515,"name":"OGS Title Tournaments","summary":"Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":2974,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2020-07-12T04:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2020-07-10T07:43:33.343786Z","ended":"2021-01-07T16:12:49.293561Z","start_waiting":"2020-07-10T07:43:31.180233Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":10,"ranked":true},{"id":70050,"name":"Hikaru no Go Tournament","director":{"id":877859,"username":"Akira_5","country":"zz","icon":"https://user-uploads.online-go.com/a488722617803ef82d6cbbefc8da7bd1-64.png","ratings":{"version":5,"overall":{"rating":765.2643249748915,"deviation":66.23536076056787,"volatility":0.06006323998619613}},"ranking":8.723453246328438,"professional":false,"ui_class":""},"description":"This is a tournament for Hikaru no Go fans, but others are welcome, too. Provisional Players are allowed, but please no sandbaggers here!","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":604800,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":604800},"is_open":true,"exclude_provisional":false,"group":{"id":7891,"name":"Hikaru No Go Anime Club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":9,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2021-01-12T20:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2021-01-13T12:16:34.147285Z","ended":"2021-07-01T20:39:29.153004Z","start_waiting":"2021-01-13T12:16:32.992199Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":71006,"name":"Correspondence 19x19 RoundRobin 2021-02-05 19:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1125.8827017028436,"deviation":78.19731452501959,"volatility":0.06006087171771568}},"ranking":17.66169912212786,"professional":false,"ui_class":"supporter moderator admin"},"description":"Automatic Sitewide Tournament","schedule":{"id":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260430T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-30T19:00:48.758440Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":10},"next_run":"2026-05-03T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2021-02-05T19:00:41.774964Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2021-02-05T19:00:43.751009Z","ended":"2021-06-01T04:09:12.542672Z","start_waiting":"2021-02-05T19:00:42.527487Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":69786,"name":"OGS VN Tháng 2 2021","director":{"id":281554,"username":"TYDC","country":"_DOOP","icon":"https://user-uploads.online-go.com/bbd482f273f613d97a246c2d297b822c-64.png","ratings":{"version":5,"overall":{"rating":1794.935760294822,"deviation":63.83115155543861,"volatility":0.05991640897269088}},"ranking":28.458902677169434,"professional":false,"ui_class":""},"description":"Giải tổ chức hàng tháng, giới hạn thời gian hoàn thành trong 1 tháng. Khuyến khích mọi người hẹn nhau chơi live. Link discord https://discord.gg/V68nfFrAc8","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":13440,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":1209600},"is_open":true,"exclude_provisional":true,"group":{"id":7685,"name":"24HGO_OGS","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":86,"icon":"https://user-uploads.online-go.com/605421e94b90e6e3b22ec09b80180283-64.png"},"auto_start_on_max":false,"time_start":"2021-01-31T20:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2021-01-31T20:00:29.429738Z","ended":"2021-03-05T20:36:52.742806Z","start_waiting":"2021-01-31T20:00:28.355900Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/605421e94b90e6e3b22ec09b80180283-15.png","player_count":10,"ranked":true},{"id":69852,"name":"Correspondence 9x9 RoundRobin 2021-01-08 19:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1125.8827017028436,"deviation":78.19731452501959,"volatility":0.06006087171771568}},"ranking":17.66169912212786,"professional":false,"ui_class":"supporter moderator admin"},"description":"Automatic Sitewide Tournament","schedule":{"id":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260502T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-05-02T19:00:48.900527Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":259200,"time_increment":86400},"min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":10},"next_run":"2026-05-05T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2021-01-08T19:00:00.297917Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2021-01-08T19:00:05.224583Z","ended":"2021-01-28T06:00:43.276256Z","start_waiting":"2021-01-08T19:00:01.924492Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":70243,"name":"Sunday tournament","director":{"id":56637,"username":"milanm","country":"un","icon":"https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png","ratings":{"version":5,"overall":{"rating":1680.0869163397404,"deviation":65.0195629806014,"volatility":0.05990324979705724}},"ranking":26.928138902488133,"professional":false,"ui_class":"aga"},"description":"weekly 9x9 tournament","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"aga","time_per_move":21,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":20,"initial_time":120,"max_time":120},"is_open":true,"exclude_provisional":false,"group":{"id":5803,"name":"Massachusetts Go Foundation","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":49,"icon":"https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"},"auto_start_on_max":false,"time_start":"2021-01-17T18:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2021-01-17T18:00:09.363852Z","ended":"2021-01-17T19:02:10.778874Z","start_waiting":"2021-01-17T18:00:08.690025Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png","player_count":10,"ranked":true},{"id":69054,"name":"4th Beginners 9x9 Championship Group A","director":{"id":750750,"username":"begingo1000","country":"ez","icon":"https://secure.gravatar.com/avatar/d705f1ba732fe17b3a05d20723059c83?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1317.1885810619165,"deviation":64.49012040956917,"volatility":0.06003208049018038}},"ranking":21.294680724602816,"professional":false,"ui_class":""},"description":"Welcome to the 4th Beginners 9x9 Championship! This time the championship is expanded to 3 groups, each consisting of a round-robin tournament. Each tournament is equivalent and the winners, runners-up and two best third placed players of each tournament will qualify to a final-8 knockout tournament.\n\nIMPORTANT NOTES\n\nIf you do not manage to join a specific group you can join one of the remaining ones if there are still vacant places.\nPlayers with ranking between 10-25 kyu are allowed to join the tournament.\nEach player should join a SINGLE group. If someone joins two or more groups, the tournament manager will remove him/her automatically.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":88320,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":172800,"max_time":432000},"is_open":true,"exclude_provisional":true,"group":{"id":4957,"name":"Beginners 9x9","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":32,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-12-23T12:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2020-12-23T12:00:33.784394Z","ended":"2021-01-21T12:40:30.456447Z","start_waiting":"2020-12-23T12:00:32.769068Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":70910,"name":"Mañanera de 4to","director":{"id":607938,"username":"kido.go.baduk","country":"mx","icon":"https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png","ratings":{"version":5,"overall":{"rating":733.7386350417765,"deviation":67.58441146641512,"volatility":0.06059085558486428}},"ranking":7.749569442835256,"professional":false,"ui_class":""},"description":"El torneo mañanero de 4to","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":33,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":300,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":5581,"name":"Colegio Serapio Rendón // Kinder - Primaria","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":200,"icon":"https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"},"auto_start_on_max":false,"time_start":"2021-02-02T14:22:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-02-02T14:22:21.759263Z","ended":"2021-02-02T15:01:28.922302Z","start_waiting":"2021-02-02T14:22:21.412829Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png","player_count":10,"ranked":true}]}
