{"count":59508,"next":"https://online-go.com/api/v1/tournaments/?ordering=player_count&page=5618","previous":"https://online-go.com/api/v1/tournaments/?ordering=player_count&page=5616","results":[{"id":21497,"name":"Live 9x9 Double Elimination Tournament 2016-10-15 18:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260428T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-04-28T22:00:35.148015Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-04-29T02:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":33,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-10-15T18:30:53.463236Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-10-15T18:30:55.559213Z","ended":"2016-10-15T19:35:02.576693Z","start_waiting":"2016-10-15T18:30:54.699197Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":16,"ranked":true},{"id":14362,"name":"Groundhog Day DDK Tournament","director":{"id":58836,"username":"DrQuantum","country":"us","icon":"https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png","ratings":{"version":5,"overall":{"rating":1013.1097115666578,"deviation":63.33068613315675,"volatility":0.05897420190650746}},"ranking":15.218382637393562,"professional":false,"ui_class":""},"description":"Here's a relatively fast paced tournament for DDK's to celebrate Groundhog day, Feb 2 (though it will start once we have 16 participants!)","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":45120,"time_control_parameters":{"time_control":"fischer","initial_time":172800,"max_time":259200,"time_increment":43200},"is_open":true,"exclude_provisional":true,"group":{"id":24,"name":"Double Digit Kyu Room","summary":"For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3657,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2016-02-03T20:02:00Z","players_start":16,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":0,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2016-02-11T11:43:08.826893Z","ended":"2017-02-08T02:17:40.487775Z","start_waiting":"2016-02-11T11:43:08.511590Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":16,"ranked":true},{"id":22955,"name":"Beginner's Tournament","director":{"id":394426,"username":"13RAiN17","country":"us","icon":"https://user-uploads.online-go.com/4750dc5cc067be2683d0c548f6bfad2a-64.png","ratings":{"version":5,"overall":{"rating":1123.0398848547989,"deviation":85.55493833364629,"volatility":0.060037222706568444}},"ranking":17.60317221197202,"professional":false,"ui_class":""},"description":"A friendly tournament for beginners.","schedule":null,"title":null,"tournament_type":"elimination","handicap":-1,"rules":"japanese","time_per_move":604800,"time_control_parameters":{"time_control":"simple","per_move":604800},"is_open":true,"exclude_provisional":true,"group":{"id":1373,"name":"10 Rank Range Events","summary":"A group where events are held at 10 rank intervals (e.g. 30-21 kyu; 20-11 kyu).","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":4,"icon":"https://user-uploads.online-go.com/94c484cac7edb07c8ac142cee7ef277e-64.png"},"auto_start_on_max":true,"time_start":"2017-01-07T18:00:00Z","players_start":16,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":9,"analysis_enabled":true,"exclusivity":"open","started":"2017-01-09T15:38:41.034450Z","ended":"2017-08-07T03:06:46.608602Z","start_waiting":"2017-01-09T15:38:40.595190Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/94c484cac7edb07c8ac142cee7ef277e-15.png","player_count":16,"ranked":true},{"id":11363,"name":"100 people tournament","director":{"id":114073,"username":"elma.218","country":"tr","icon":"https://user-uploads.online-go.com/c451275c8b10a1d6c4052257d70c3cd1-64.png","ratings":{"version":5,"overall":{"rating":1787.7450440536031,"deviation":64.86830524553237,"volatility":0.05997042542835535}},"ranking":28.365974887281094,"professional":false,"ui_class":""},"description":"lets make it 100","schedule":null,"title":null,"tournament_type":"swiss","handicap":-1,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":447,"name":"turkey go players team","summary":"Kader Oyunu (the game of destiny)","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":166,"icon":"https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-64.png"},"auto_start_on_max":true,"time_start":"2015-10-11T06:35:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-10-11T06:35:28.176484Z","ended":"2018-01-02T18:25:54.948987Z","start_waiting":"2015-10-11T06:35:27.925882Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/39a22b3e039c1dfce80ceebe3004d6ac-15.png","player_count":16,"ranked":true},{"id":22086,"name":"2nd annual O Meien (王銘琬) Birthday DDK Tournament","director":{"id":58836,"username":"DrQuantum","country":"us","icon":"https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png","ratings":{"version":5,"overall":{"rating":1013.1097115666578,"deviation":63.33068613315675,"volatility":0.05897420190650746}},"ranking":15.218382637393562,"professional":false,"ui_class":""},"description":"This Tournament honors O Meien, 9d, a Taiwanese-born Nihon-kiin Go Professional (his Chinese name is Wang Ming-Wan). He won the Honinbo title in 2000 and 2001, and the Oza in 2002. Possibly he is familiar to many as a commentator on the NHK Cup broadcasts.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":24,"name":"Double Digit Kyu Room","summary":"For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3657,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2016-11-22T16:30:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":6,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2016-11-22T16:30:42.000945Z","ended":"2017-11-20T18:24:14.109589Z","start_waiting":"2016-11-22T16:30:41.232828Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":16,"ranked":true},{"id":26902,"name":"Live 9x9 Double Elimination Tournament 2017-05-06 18:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260428T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-04-28T22:00:35.148015Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-04-29T02:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":33,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2017-05-06T18:30:50.863917Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2017-05-06T18:30:54.079444Z","ended":"2017-05-06T19:55:40.834522Z","start_waiting":"2017-05-06T18:30:53.270304Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":16,"ranked":true},{"id":14378,"name":"First Tournament Japan 2016","director":{"id":177197,"username":"Go Sertão","country":"br","icon":"https://user-uploads.online-go.com/c40214b15b251afaa9a1da99f96c4d25-64.png","ratings":{"version":5,"overall":{"rating":1299.8409668985005,"deviation":70.67413645349684,"volatility":0.05934764679722376}},"ranking":20.98776546608591,"professional":false,"ui_class":""},"description":"lets play !!!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":11,"name":"Japanese Group","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":156,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2016-03-01T04:00:00Z","players_start":5,"first_pairing_method":"strength","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-03-01T00:39:31.981429Z","ended":"2017-08-04T11:24:37.781939Z","start_waiting":"2016-03-01T00:39:31.657871Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":16,"ranked":true},{"id":18886,"name":"第一届华夏兄弟盟棋圣战（内部）","director":{"id":314225,"username":"GuluCat","country":"cn","icon":"https://user-uploads.online-go.com/fe6d33fb17fad59815ce9277c5e1d9b7-64.png","ratings":{"version":5,"overall":{"rating":2362.1833824434566,"deviation":75.54685114055218,"volatility":0.06015000178948722}},"ranking":34.81628901044649,"professional":false,"ui_class":"supporter"},"description":"不论何人在比赛任何阶段遇到怀哲哥（huaizhexxx（5d）），哲哥需让2子赐教（哲哥勿喷我(⊙o⊙)哦），以均衡实力、增加看点，友谊第一，加油么么哒↖(^ω^)↗","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":87360,"time_control_parameters":{"time_control":"fischer","initial_time":86400,"max_time":172800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":1180,"name":"华夏兄弟盟 Chinese Brotherhood ","summary":"A group that you can play with a lot of Chinese players :) .welcome everyone joining our group, we sincerely hope you can enjoy the game of Go and Chinese culture as well :)","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1180,"icon":"https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-64.png"},"auto_start_on_max":true,"time_start":"2016-07-13T03:56:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"group","started":"2016-07-13T03:56:22.624712Z","ended":"2017-09-28T05:50:22.357242Z","start_waiting":"2016-07-13T03:56:22.424812Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-15.png","player_count":16,"ranked":true},{"id":3826,"name":"FSTS Long Road #1","director":{"id":117904,"username":"Inquisitor","country":"_Red_Cross","icon":"https://user-uploads.online-go.com/6480244495d6b65fce5554cef9397a7f-64.png","ratings":{"version":5,"overall":{"rating":1304.0248210491002,"deviation":62.45011626472323,"volatility":0.06000432406173624}},"ranking":21.06215970513464,"professional":false,"ui_class":""},"description":"Details on OGS Forum: https://forums.online-go.com/t/fsts-long-road-1/","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":353,"name":"Four Seasons Tournament Series","summary":"Серия турниров \"Четыре Сезона\"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":623,"icon":"https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"},"auto_start_on_max":false,"time_start":"2015-01-12T15:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":10,"max_ranking":36,"analysis_enabled":false,"exclusivity":"group","started":"2015-01-12T15:00:56.459115Z","ended":"2017-09-26T12:57:42.284965Z","start_waiting":"2015-01-12T15:00:56.242079Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png","player_count":16,"ranked":true},{"id":133887,"name":"CHEERFUL GO #112 Single Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png","ratings":{"version":5,"overall":{"rating":1864.7188090943225,"deviation":68.9234558950628,"volatility":0.05985249313772679}},"ranking":29.341867659681046,"professional":false,"ui_class":""},"description":"Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"chinese","time_per_move":43884,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":43200,"initial_time":86400,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":12619,"name":"Happy Go!!!","summary":"Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":71,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2025-11-06T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2025-11-06T04:00:32.675833Z","ended":"2026-04-28T11:41:31.013046Z","start_waiting":"2025-11-06T04:00:32.355861Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":17,"ranked":true}]}