{"count":59307,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=4815","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=4813","results":[{"id":97974,"name":"Correspondence 19x19 RoundRobin 2022-12-18 19:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260409T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-09T19:00:34.669370Z","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":"2026-04-12T19:00:00Z","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":"2022-12-18T19:00:40.905876Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2022-12-18T19:00:42.020649Z","ended":"2023-09-15T10:07:58.526557Z","start_waiting":"2022-12-18T19:00:41.753961Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":7,"ranked":true},{"id":106902,"name":"Third tournament - Round Robin","director":{"id":1290047,"username":"TaroMan","country":"zz","icon":"https://user-uploads.online-go.com/0a1bf82f79b8cfa1ec48474db6a9488f-64.png","ratings":{"version":5,"overall":{"rating":1074.5194898914124,"deviation":64.06811999242666,"volatility":0.05991128509978694}},"ranking":16.580738202358354,"professional":false,"ui_class":""},"description":"This will be round-robin style, so expect many games coming at once. Enjoy!","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":91187,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":false,"main_time":604800,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":13496,"name":"Happy Beginners","summary":"Good luck and have fun everyone :)","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":12,"icon":"https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-64.png"},"auto_start_on_max":false,"time_start":"2023-09-01T07:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":8,"max_ranking":22,"analysis_enabled":true,"exclusivity":"group","started":"2023-09-01T16:30:10.741673Z","ended":"2023-09-19T03:39:18.694326Z","start_waiting":"2023-09-01T16:30:10.655033Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-15.png","player_count":4,"ranked":true},{"id":134671,"name":"19x19 Open D.E. Cup #146","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1365.898589194213,"deviation":68.40835436496026,"volatility":0.060201985871587475}},"ranking":22.135324747759174,"professional":false,"ui_class":""},"description":"Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"double_elimination","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":70,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-12-07T22:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-05T17:59:57.776596Z","ended":null,"start_waiting":"2025-12-05T17:59:57.651497Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":107042,"name":"Live 19x19 Swiss Tournament 2023-09-01 16:30","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260411T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-04-11T08:00:34.372747Z","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":"2026-04-11T12:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":35,"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":"2023-09-01T16:30:10.802261Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-09-01T16:31:18.343391Z","ended":"2023-09-01T18:01:57.144121Z","start_waiting":"2023-09-01T16:31:18.200172Z","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":107067,"name":"第一届“HX杯”公开赛","director":{"id":1177602,"username":"HX.花神","country":"cn","icon":"https://user-uploads.online-go.com/9a6c4d144b64d579303d3c9dad3fb0c0-64.png","ratings":{"version":5,"overall":{"rating":2293.607139099654,"deviation":77.88232125523847,"volatility":0.05999948317307096}},"ranking":34.13427600026452,"professional":false,"ui_class":""},"description":"welcome\n人数满20人时，提前开始","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":864000},"is_open":true,"exclude_provisional":false,"group":{"id":13541,"name":"China HX","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":6,"icon":"https://user-uploads.online-go.com/dcc2dd9e6a239d3533dd74458387e17f-64.png"},"auto_start_on_max":false,"time_start":"2023-09-30T11:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-09-28T22:11:37.349027Z","ended":"2026-02-01T17:49:19.734844Z","start_waiting":"2023-09-28T22:11:37.014808Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/dcc2dd9e6a239d3533dd74458387e17f-15.png","player_count":20,"ranked":true},{"id":107122,"name":"HAPPY GO #38 Double Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png","ratings":{"version":5,"overall":{"rating":1903.7504079307619,"deviation":72.11921191448371,"volatility":0.05983556722739327}},"ranking":29.821433113974106,"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\nDouble elimination tournament every Sunday.","schedule":null,"title":null,"tournament_type":"double_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":70,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2023-09-10T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":33,"analysis_enabled":true,"exclusivity":"open","started":"2023-09-10T04:00:55.745967Z","ended":"2024-03-04T01:35:11.590829Z","start_waiting":"2023-09-10T04:00:55.535712Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":23,"ranked":true},{"id":100038,"name":"19x19 ogs tournament","director":{"id":1182846,"username":"Smartfox","country":"un","icon":"https://user-uploads.online-go.com/27e2cbb60e6e5017971b0a1e7392ce05-64.png","ratings":{"version":5,"overall":{"rating":1440.2563930454246,"deviation":71.61347756222665,"volatility":0.060512765640676876}},"ranking":23.36247451639933,"professional":false,"ui_class":""},"description":"Hello have a nice game","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":true,"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":2972,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":true,"time_start":"2023-02-16T10:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":22,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-14T17:48:28.656761Z","ended":"2023-12-06T18:06:11.628177Z","start_waiting":"2023-02-14T17:48:28.429168Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":10,"ranked":true},{"id":107030,"name":"Just play!","director":{"id":573117,"username":"Yeou","country":"ru","icon":"https://user-uploads.online-go.com/742b9ad278c24788d69739b4b80873f7-64.png","ratings":{"version":5,"overall":{"rating":563.5409239183886,"deviation":66.97439070633084,"volatility":0.059951004460742884}},"ranking":5,"professional":false,"ui_class":""},"description":"Турнир для начинающих игроков.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":18684,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":18000,"initial_time":86400,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":4425,"name":"Newbie go club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":5,"icon":"https://user-uploads.online-go.com/742b9ad278c24788d69739b4b80873f7-64.png"},"auto_start_on_max":true,"time_start":"2023-09-15T11:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":15,"analysis_enabled":false,"exclusivity":"open","started":"2023-09-15T11:00:57.011912Z","ended":"2023-10-06T13:38:16.589631Z","start_waiting":"2023-09-15T11:00:56.845579Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/742b9ad278c24788d69739b4b80873f7-15.png","player_count":7,"ranked":true},{"id":135048,"name":"Blitz 19x19 Elimination Tournament 2025-12-05 17:30","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260411T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-11T09:00:34.413719Z","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":"2026-04-11T13:00:00Z","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":"2025-12-05T17:30:11.069359Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-12-05T17:31:11.148426Z","ended":"2025-12-05T17:59:05.822271Z","start_waiting":"2025-12-05T17:31:11.071029Z","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},{"id":3374,"name":"The Throne","director":{"id":101841,"username":"DoitiEtok","country":"us","icon":"https://user-uploads.online-go.com/e075662d7f1163f5ea8faa4e709271ee-64.png","ratings":{"version":5,"overall":{"rating":1692.3139349665798,"deviation":62.25661037704853,"volatility":0.059959156288589534}},"ranking":27.096005496029317,"professional":false,"ui_class":""},"description":"Simple Tournament","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":40,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":900,"periods":3},"is_open":true,"exclude_provisional":true,"group":{"id":25,"name":"Go Basics","summary":"A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":17887,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2014-11-09T11:19:22.867882Z","ended":"2014-11-09T13:13:45.133043Z","start_waiting":"2014-11-09T11:19:22.704606Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":0,"ranked":true}]}