{"count":60708,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-analysis_enabled&page=427","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-analysis_enabled&page=425","results":[{"id":105578,"name":"Houston Go Club - Double Elimination Handicap Tournament (7/26/23)","director":{"id":473476,"username":"ajiadjuster","country":"us","icon":"https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png","ratings":{"version":5,"overall":{"rating":1886.9598995848182,"deviation":69.41060089332123,"volatility":0.05981262866327778}},"ranking":29.616351333129803,"professional":false,"ui_class":"supporter"},"description":"This is a double-elimination handicap tournament - all players are welcome!  In this format we can accommodate many players, and participants will only play one game at a time.  Participants are eliminated after two losses (except the final game, which is winner-take-all).  \n\nWhile these are correspondence games, I've reduced max time to 3 days (following the typical time setting for ladder games on OGS).  Compared to our recent round robin tournaments, timeouts will happen more quickly for participants who lose interest or forget to play.  \n\nFor additional details on this format, see: https://senseis.xmp.net/?DoubleKnockoutTournamentFormat","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":1274,"name":"Houston Go Club","summary":"Playing go online and at real boards in Houston, Texas.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":78,"icon":"https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png"},"auto_start_on_max":false,"time_start":"2023-07-26T21:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2023-07-26T21:00:50.693302Z","ended":"2023-11-20T18:35:25.145029Z","start_waiting":"2023-07-26T21:00:50.527523Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png","player_count":10,"ranked":true},{"id":12120,"name":"Correspondence 9x9 RoundRobin 2015-11-03 01:00","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:20260818T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-08-18T19:00:30.202968Z","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":"2026-08-21T19:00:00Z","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,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2015-11-03T01:00:30.248796Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-11-03T01:00:50.440112Z","ended":"2015-12-14T11:08:08.323493Z","start_waiting":"2015-11-03T01:00:49.451456Z","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":109764,"name":"CHEERFUL GO #39 Single Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png","ratings":{"version":5,"overall":{"rating":2043.64490662764,"deviation":71.1509452845376,"volatility":0.05976342612111411}},"ranking":31.462978616993823,"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","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":78,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2023-11-23T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":33,"analysis_enabled":true,"exclusivity":"open","started":"2023-11-23T04:00:53.042246Z","ended":"2024-01-19T03:25:03.384820Z","start_waiting":"2023-11-23T04:00:52.944317Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":4,"ranked":true},{"id":113116,"name":"23 февраля","director":{"id":659128,"username":"Эльфия Ходжер","country":"ru","icon":"https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png","ratings":{"version":5,"overall":{"rating":1146.8292467691736,"deviation":69.5144479966817,"volatility":0.06013953397515179}},"ranking":18.08843709880116,"professional":false,"ui_class":""},"description":"нужно играть","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":39,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":1200,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":12847,"name":"Nikoniko ДЕТИ","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":35,"icon":"https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-64.png"},"auto_start_on_max":false,"time_start":"2024-02-23T01:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-02-23T01:00:28.518780Z","ended":"2024-02-23T02:43:19.239240Z","start_waiting":"2024-02-23T01:00:28.381024Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-15.png","player_count":8,"ranked":true},{"id":58631,"name":"hi! สวัดดี","director":{"id":744918,"username":"tinntinn","country":"th","icon":"https://user-uploads.online-go.com/972793b24a485d6c0721c2a576171b74-64.png","ratings":{"version":5,"overall":{"rating":1633.8372419179582,"deviation":65.7140021500707,"volatility":0.059989397404345134}},"ranking":26.28192647661824,"professional":false,"ui_class":""},"description":"hihihihiihihihihihihihihihihihih","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":5093,"name":"Fast Correspondencessss","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":2,"icon":"https://user-uploads.online-go.com/8c66e3c7b5b43e460bceaa4baf1f0dc6-64.png"},"auto_start_on_max":false,"time_start":"2020-04-07T13:00:00Z","players_start":1,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-04-08T06:32:49.815493Z","ended":"2020-04-08T06:32:49.782445Z","start_waiting":"2020-04-08T06:32:49.713712Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8c66e3c7b5b43e460bceaa4baf1f0dc6-15.png","player_count":1,"ranked":true},{"id":109681,"name":"9x9 Mini League 5k-15k #49","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1413.091286907699,"deviation":71.57968487736412,"volatility":0.060272760648828305}},"ranking":22.92166513829051,"professional":false,"ui_class":""},"description":"Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":716,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-11-26T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":15,"max_ranking":25,"analysis_enabled":true,"exclusivity":"open","started":"2023-11-23T07:57:42.255097Z","ended":"2023-12-22T12:49:41.078578Z","start_waiting":"2023-11-23T07:57:42.104779Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":3216,"name":"SWT Nines Handicap 1st Cycle","director":{"id":52052,"username":"ST000MA","country":"rs","icon":"https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1767.470026324603,"deviation":64.36436426989569,"volatility":0.06273272921091862}},"ranking":28.10192799299225,"professional":false,"ui_class":""},"description":"For more information see: http://forums.online-go.com/t/swt-tournaments/860.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":91200,"time_control_parameters":{"time_control":"fischer","initial_time":432000,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2014-11-22T16:05:20.080250Z","ended":"2015-02-17T01:30:41.966012Z","start_waiting":"2014-11-22T16:05:16.489053Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":74269,"name":"Correspondence 9x9 RoundRobin 2021-04-23 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:20260818T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-08-18T19:00:30.202968Z","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":"2026-08-21T19:00:00Z","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":"2021-04-23T19:00:59.208107Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2021-04-23T19:02:00.583036Z","ended":"2021-06-07T05:00:46.053167Z","start_waiting":"2021-04-23T19:01:58.260427Z","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":36663,"name":"Correspondence 19x19 RoundRobin 2018-04-25 01:00","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:20260819T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-08-19T19:00:29.832476Z","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":"2026-08-22T19:00:00Z","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":"2018-04-25T01:00:13.342608Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2018-04-25T01:00:44.596490Z","ended":"2018-07-13T17:26:25.477107Z","start_waiting":"2018-04-25T01:00:40.921732Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":8,"ranked":true},{"id":74264,"name":"9x9 tournament","director":{"id":964209,"username":"Asherlief","country":"ca","icon":"https://secure.gravatar.com/avatar/2e27f46e6df2dabf85edf9cfb5aced0d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":691.6512378549269,"deviation":75.57964046226368,"volatility":0.05998529410721368}},"ranking":6.382074748297536,"professional":false,"ui_class":""},"description":"A 9x9 tournement","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":8467,"name":"Galiano","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":4,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-04-22T17:16:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-04-23T01:40:12.335256Z","ended":"2021-05-03T12:40:15.361100Z","start_waiting":"2021-04-23T01:40:12.163290Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":3,"ranked":true}]}