{"count":60742,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=first_pairing_method&page=245","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=first_pairing_method&page=243","results":[{"id":141201,"name":"HAPPY GO #152 Double Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png","ratings":{"version":5,"overall":{"rating":2043.6666585391163,"deviation":71.90000863380385,"volatility":0.05976342612111411}},"ranking":31.46322501697711,"professional":false,"ui_class":""},"description":"Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.\n\nPlease contact nobhaete directly if you have any questions.","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","pause_on_weekends":false,"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":"2026-06-21T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-21T04:00:20.022252Z","ended":null,"start_waiting":"2026-06-21T04:00:19.816688Z","board_size":19,"active_round":2,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":19,"ranked":true},{"id":69418,"name":"Blitz 13x13 Swiss Tournament 2020-12-26 11:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260822T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-08-22T07:00:22.490371Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-08-22T11:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-12-26T11:30:27.610402Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-12-26T11:30:28.966878Z","ended":"2020-12-26T12:13:27.932758Z","start_waiting":"2020-12-26T11:30:28.820576Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true},{"id":89298,"name":"第1回LINE囲碁仲間募集同時マクマホンopen","director":{"id":1133458,"username":"yamaboshi_at_OGS","country":"jp","icon":"https://user-uploads.online-go.com/dec68910d8ec1a906027f06ac8466775-64.png","ratings":{"version":5,"overall":{"rating":1524.7628960187205,"deviation":61.534114158836445,"volatility":0.059899273188430975}},"ranking":24.6824359263038,"professional":false,"ui_class":""},"description":"LINE囲碁仲間募集の同時マクマホン方式です。\n4月29日全体公開。\neveryone welcome!","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":-1,"rules":"japanese","time_per_move":43200,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":43200},"is_open":true,"exclude_provisional":true,"group":{"id":11374,"name":"LINE囲碁仲間募集@OGS","summary":"LINEオープンチャット、囲碁仲間募集のOGS版です。","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":40,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2022-04-30T10:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":24,"max_ranking":32,"analysis_enabled":true,"exclusivity":"open","started":"2022-04-30T10:00:44.301981Z","ended":"2022-05-29T22:20:55.572490Z","start_waiting":"2022-04-30T10:00:43.864506Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":8,"ranked":true},{"id":89904,"name":"Nyteor","director":{"id":996790,"username":"Trust No One","country":"hk","icon":"https://user-uploads.online-go.com/c07d6af2b3dfa0a6478bbb038ad5f405-64.png","ratings":{"version":5,"overall":{"rating":1463.0820927962957,"deviation":67.45940293524826,"volatility":0.060000242474382404}},"ranking":23.726487075854685,"professional":false,"ui_class":""},"description":"Ｔｈｅｒｅ　ｉｓ　１　ｉｍｐｏｓｔｏｒ　ａｍｏｎｇ　ｕｓ．．．","schedule":null,"title":null,"tournament_type":"elimination","handicap":-1,"rules":"chinese","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":11772,"name":"Among SUS","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2022-05-12T13:35:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2022-09-25T22:26:10.471696Z","ended":"2022-09-28T22:26:23.377460Z","start_waiting":"2022-09-25T22:26:10.416148Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":2,"ranked":true},{"id":102646,"name":"Live 19x19 Swiss Tournament 2023-04-27 12:30","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:20260822T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-08-22T08:00:22.492031Z","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":"2026-08-22T12:00:00Z","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":"2023-04-27T12:30:48.890611Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-04-27T12:31:49.060121Z","ended":"2023-04-27T14:05:34.037438Z","start_waiting":"2023-04-27T12:31:48.906371Z","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":135349,"name":"13x13 Open D.E. Cup #85","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1457.5625740335206,"deviation":71.74464322805916,"volatility":0.06028349014029934}},"ranking":23.638987892591402,"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":90782,"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":86,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-12-28T21:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-28T06:42:01.568860Z","ended":"2026-06-26T20:54:27.443717Z","start_waiting":"2025-12-28T06:42:01.434653Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":59154,"name":"Time time","director":{"id":755968,"username":"謝老師","country":"un","icon":"https://secure.gravatar.com/avatar/55fdea7a4d340c79c47602aa98f30b74?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2176.8933142899295,"deviation":70.02656654711419,"volatility":0.0600086352768646}},"ranking":32.925221575626956,"professional":false,"ui_class":""},"description":"testing","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"chinese","time_per_move":17,"time_control_parameters":{"system":"canadian","time_control":"canadian","speed":"live","pause_on_weekends":false,"main_time":240,"period_time":360,"stones_per_period":25},"is_open":true,"exclude_provisional":false,"group":{"id":5110,"name":"香港兒童棋院","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":108,"icon":"https://user-uploads.online-go.com/d6eb3e6028ad3f005423be2afc2e5d0e-64.png"},"auto_start_on_max":false,"time_start":"2020-04-17T01:40:00Z","players_start":3,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2020-04-17T01:40:03.486535Z","ended":"2020-04-17T02:13:19.551257Z","start_waiting":"2020-04-17T01:40:03.215894Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d6eb3e6028ad3f005423be2afc2e5d0e-15.png","player_count":3,"ranked":true},{"id":91784,"name":"Correspondence Weekly McMahon 19x19 2022-07-02 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:20260817T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-08-17T17:00:29.631606Z","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":"2026-08-24T17:00:00Z","base_points":"30.0"},"title":null,"tournament_type":"s_mcmahon","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":"2022-07-02T17:00:16.018423Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2022-07-02T17:00:27.710003Z","ended":"2023-07-15T04:26:58.926060Z","start_waiting":"2022-07-02T17:00:26.788261Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":21,"ranked":true},{"id":89927,"name":"講義対局用１","director":{"id":1154610,"username":"ohashi","country":"un","icon":"https://secure.gravatar.com/avatar/0646c83f2fecf01d2e6aca92a3a338b3?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2108.9397666132704,"deviation":129.82175082518808,"volatility":0.0599896224696198}},"ranking":32.19105557183986,"professional":false,"ui_class":""},"description":"講義対局用１","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":10,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"live","pause_on_weekends":false,"total_time":900},"is_open":true,"exclude_provisional":false,"group":{"id":11776,"name":"桃山講義対局用","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":31,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2022-05-20T01:30:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2022-05-20T01:26:01.074592Z","ended":"2022-05-20T02:45:40.825851Z","start_waiting":"2022-05-20T01:26:00.594085Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":23,"ranked":true},{"id":37509,"name":"Blitz 13x13 Swiss Tournament 2018-05-22 19:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260822T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-08-22T07:00:22.490371Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-08-22T11:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2018-05-22T19:30:05.157032Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2018-05-22T19:30:07.934440Z","ended":"2018-05-22T20:22:37.448025Z","start_waiting":"2018-05-22T19:30:07.072178Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":9,"ranked":true}]}