{"count":59998,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=5068","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=5066","results":[{"id":138555,"name":"19x19 Open League #128","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1318.6498110230023,"deviation":70.56858078924961,"volatility":0.06021556110989317}},"ranking":21.320348062301573,"professional":false,"ui_class":""},"description":"Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":76,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-04-05T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-04-01T06:10:42.590904Z","ended":null,"start_waiting":"2026-04-01T06:10:41.728044Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":106253,"name":"14-19 Kyu Tournament One Day Per Move","director":{"id":1293237,"username":"BearAware","country":"_United_Federation_of_Planets","icon":"https://user-uploads.online-go.com/3173d52c9360a0a58d2189427ea8d52e-64.png","ratings":{"version":5,"overall":{"rating":872.0760018145087,"deviation":64.31775511035194,"volatility":0.05999305059067116}},"ranking":11.748123005294458,"professional":false,"ui_class":""},"description":"Round Robin, 1 day per move with weekend pauses.  Have Fun and Good Luck!","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":87084,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":86400,"max_time":86400},"is_open":true,"exclude_provisional":true,"group":{"id":7228,"name":"DDK Proving Grounds (Double Digit Kyu)","summary":"A place for DDK's to play against other DDK's without fear of SDK's trying to hop in. We do B League (25k-18k) & A League (17k-10k) tournaments monthly.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":651,"icon":"https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-64.png"},"auto_start_on_max":true,"time_start":"2023-08-14T05:00:00Z","players_start":6,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":11,"max_ranking":16,"analysis_enabled":true,"exclusivity":"open","started":"2023-08-17T14:17:29.811203Z","ended":"2023-10-27T09:25:23.498318Z","start_waiting":"2023-08-17T14:17:29.480972Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-15.png","player_count":6,"ranked":true},{"id":60299,"name":"Live 19x19 Swiss Tournament 2020-05-10 00:30","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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260622T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-06-22T12:00:15.894658Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-06-22T16:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-05-10T00:30:48.155580Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-05-10T00:30:50.005058Z","ended":"2020-05-10T01:53:51.062203Z","start_waiting":"2020-05-10T00:30:49.507619Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":6,"ranked":true},{"id":56895,"name":"Chiaramente la cosa più importante","director":{"id":126739,"username":"🐬Sofiam🐬","country":"_Olimpic_Movement","icon":"https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png","ratings":{"version":5,"overall":{"rating":1012.0554496406809,"deviation":84.91308607572303,"volatility":0.076882078105041}},"ranking":15.194279748149173,"professional":false,"ui_class":""},"description":"Chiaramente","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":4461,"name":"Go club Genova e oltre","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":14,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-02-24T19:33:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-02-24T19:33:14.636308Z","ended":"2020-02-24T19:35:03.479331Z","start_waiting":"2020-02-24T19:33:13.350364Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":94064,"name":"HELLO","director":{"id":735413,"username":"梁因諾2","country":"hk","icon":"https://user-uploads.online-go.com/20dd5a833b9922de3fb330d9f2c77a20-64.png","ratings":{"version":5,"overall":{"rating":1359.7350232735641,"deviation":64.98105013355789,"volatility":0.0600482213494612}},"ranking":22.030624839725757,"professional":false,"ui_class":""},"description":"12132322423233423232422334252321523","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":6365,"name":"The Best Happy Go Group","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":34,"icon":"https://user-uploads.online-go.com/50f48517d57f1d146fa4da1186bb47f6-64.png"},"auto_start_on_max":false,"time_start":"2022-08-30T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-10-16T20:46:27.723507Z","ended":"2023-03-24T18:10:07.166681Z","start_waiting":"2022-10-16T20:46:27.592100Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/50f48517d57f1d146fa4da1186bb47f6-15.png","player_count":4,"ranked":true},{"id":99789,"name":"Correspondence Weekly McMahon 19x19 2023-02-11 17:00","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":9,"name":"Correspondence Weekly McMahon 19x19","rrule":"DTSTART:20260615T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-06-15T17:00:19.352074Z","lead_time_seconds":432000,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","size":19,"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":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":3,"upper_bar":"25","lower_bar":"15","group_size":4,"maximum_players":1000},"next_run":"2026-06-22T17:00:00Z","base_points":"30.0"},"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":88451,"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":"2023-02-11T17:00:08.739813Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-11T17:00:16.756486Z","ended":"2024-02-17T18:12:00.430083Z","start_waiting":"2023-02-11T17:00:15.271532Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":25,"ranked":true},{"id":99473,"name":"HAPPY GO #9","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png","ratings":{"version":5,"overall":{"rating":2061.883828094472,"deviation":70.25056169565241,"volatility":0.05979355003376099}},"ranking":31.668668961403064,"professional":false,"ui_class":""},"description":"1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":86400},"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":74,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":true,"time_start":"2023-02-12T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":32,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-09T21:56:18.143685Z","ended":"2023-08-02T14:33:32.717284Z","start_waiting":"2023-02-09T21:56:17.866325Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":20,"ranked":true},{"id":120453,"name":"Correspondence 19x19 RoundRobin 2024-09-23 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 Site-wide Tournament","schedule":{"id":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260620T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-06-20T19:00:19.878258Z","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":"2026-06-23T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"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":"2024-09-23T19:00:56.989684Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2024-09-23T19:00:57.636190Z","ended":"2025-04-07T14:19:48.165787Z","start_waiting":"2024-09-23T19:00:57.167699Z","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":99885,"name":"go to go","director":{"id":1269895,"username":"Cybèle","country":"150","icon":"https://user-uploads.online-go.com/caf19b4503b856d082647225e7fd43fe-64.png","ratings":{"version":5,"overall":{"rating":863.8335028553679,"deviation":65.98550318269317,"volatility":0.060476089188204726}},"ranking":11.528278267512311,"professional":false,"ui_class":""},"description":"cool go go","schedule":null,"title":null,"tournament_type":"swiss","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":604800},"is_open":true,"exclude_provisional":false,"group":{"id":12840,"name":"US-FR Friendship Tournament","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":31,"icon":"https://user-uploads.online-go.com/934d7c1c4d24c2c221e591338f9c450a-64.png"},"auto_start_on_max":false,"time_start":"2023-02-08T10:50:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-09T12:09:01.541404Z","ended":"2023-02-09T12:18:57.094224Z","start_waiting":"2023-02-09T12:09:01.472734Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/934d7c1c4d24c2c221e591338f9c450a-15.png","player_count":2,"ranked":true},{"id":66762,"name":"Blitz 19x19 Elimination Tournament 2020-10-17 17:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260622T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-22T13:00:15.899741Z","lead_time_seconds":1800,"tournament_type":"elimination","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"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":"2026-06-22T17:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-10-17T17:30:31.575702Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-10-17T17:30:32.854929Z","ended":"2020-10-17T17:38:36.972049Z","start_waiting":"2020-10-17T17:30:32.533899Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":4,"ranked":true}]}