{"count":60829,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=401","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=399","results":[{"id":102191,"name":"OST - Olympic System Tournament","director":{"id":1033608,"username":"NetCat","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1406.6650193080409,"deviation":70.55993802829255,"volatility":0.06003444046653894}},"ranking":22.81614654991628,"professional":false,"ui_class":""},"description":"Tournaments are held every Saturday\n\nJoin the OST community (^-^)","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":91187,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":11969,"name":"OST GO","summary":"For Olympic tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":57,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"},"auto_start_on_max":false,"time_start":"2023-05-27T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-05-27T14:00:58.027738Z","ended":"2024-07-16T11:36:04.748315Z","start_waiting":"2023-05-27T14:00:57.813560Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png","player_count":18,"ranked":true},{"id":7269,"name":"Correspondence 19x19 RoundRobin 2015-05-08 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:20260825T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-08-25T19:00:25.223119Z","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":"2026-08-28T19:00:00Z","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":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2015-05-08T01:00:35.466160Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-05-08T01:00:56.581137Z","ended":"2015-06-05T17:52:22.851626Z","start_waiting":"2015-05-08T01:00:55.726482Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":77661,"name":"17/7 馬彥彬\t李子睿","director":{"id":818416,"username":"傳碁學園","country":"un","icon":"https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png","ratings":{"version":5,"overall":{"rating":1898.3468207617877,"deviation":71.28817954667363,"volatility":0.06041644550084839}},"ranking":29.755630942351214,"professional":false,"ui_class":""},"description":"17/7 馬彥彬\t李子睿","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":25,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":480,"period_time":20,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":7531,"name":"傳碁 C班","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":87,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2021-07-17T08:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-07-17T07:15:41.333567Z","ended":"2021-07-17T07:45:29.112058Z","start_waiting":"2021-07-17T07:15:41.264933Z","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":21806,"name":"Correspondence 19x19 RoundRobin 2016-10-29 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:20260825T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-08-25T19:00:25.223119Z","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":"2026-08-28T19:00:00Z","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":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-10-29T01:00:10.630203Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-10-29T01:00:30.789290Z","ended":"2017-03-30T13:38:13.023074Z","start_waiting":"2016-10-29T01:00:28.574350Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":69272,"name":"!hjdsakfh","director":{"id":901239,"username":"zwhayden","country":"un","icon":"https://secure.gravatar.com/avatar/caa06816d381d86a68d159254fad2efd?s=64&d=retro","ratings":{"version":5,"overall":{"rating":717.4065794543909,"deviation":116.53967932403586,"volatility":0.06000745596034319}},"ranking":7.228459566479153,"professional":false,"ui_class":""},"description":"asdfasfdasdfa","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":93120,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":604800,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":7722,"name":"Hayden Group","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":"2020-12-22T21:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-12-23T08:59:17.251903Z","ended":"2021-01-12T20:46:28.983659Z","start_waiting":"2020-12-23T08:59:17.119614Z","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":95021,"name":"The Grand DoubleD Kyu Tournament🏆","director":{"id":1021790,"username":"Deleted-qoruy87gbua","country":"001","icon":"https://secure.gravatar.com/avatar/1825039a70ac68def4a9365e98f6ee99?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1714.3567225380107,"deviation":63.72242639055628,"volatility":0.060051034742441015}},"ranking":27.39559280881667,"professional":false,"ui_class":""},"description":"I am holding this tournament so that I can help players in this tournament to review their games. Hopefully I can get to know more like-minded individuals who wants to improve and advance in their Go journey. Please only join if you are interested.\n\nALL GAMES WILL BE REVIEWED BY ME","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":172800},"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":18122,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2022-09-30T16:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2022-09-30T16:00:54.578113Z","ended":"2023-11-30T09:24:52.084431Z","start_waiting":"2022-09-30T16:00:54.322706Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":18,"ranked":true},{"id":42544,"name":"Cosmo Cup 2018","director":{"id":446898,"username":"Dark Cosmos","country":"150","icon":"https://user-uploads.online-go.com/80006af13263a20bc006e67aba625553-64.png","ratings":{"version":5,"overall":{"rating":1892.8571702423064,"deviation":72.93769202214149,"volatility":0.05999417625510985}},"ranking":29.688588652541746,"professional":false,"ui_class":""},"description":"Board Size: 9x9;\n\nGame Speed: Correspondent game, 1 day per move;\n\nLet's try it out!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2844,"name":"CosmoSpirit","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":19,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2018-11-07T16:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2018-11-07T16:00:49.776868Z","ended":"2019-01-02T16:58:44.928596Z","start_waiting":"2018-11-07T16:00:49.154660Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":66841,"name":"Correspondence 19x19 RoundRobin 2020-10-20 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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260825T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-08-25T19:00:25.223119Z","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":"2026-08-28T19:00:00Z","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":"2020-10-20T19:00:46.458708Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2020-10-20T19:00:49.381619Z","ended":"2021-03-23T23:59:25.763337Z","start_waiting":"2020-10-20T19:00:46.743106Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":69296,"name":"1223 test","director":{"id":895468,"username":"microgo","country":"un","icon":"https://secure.gravatar.com/avatar/4134020f2f298c111575624a380fabfc?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1222.7926816943723,"deviation":239.45189696836508,"volatility":0.05999893115789494}},"ranking":19.573194029610143,"professional":false,"ui_class":"provisional"},"description":"1223 test","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":32,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":30,"initial_time":180,"max_time":600},"is_open":true,"exclude_provisional":false,"group":{"id":7632,"name":"nctumicro","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":5,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-12-23T12:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-12-23T12:00:32.758468Z","ended":"2020-12-23T13:05:14.420171Z","start_waiting":"2020-12-23T12:00:32.708428Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":3,"ranked":true},{"id":67771,"name":"Postojna","director":{"id":134125,"username":"mitava","country":"at","icon":"https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png","ratings":{"version":5,"overall":{"rating":769.0975600653927,"deviation":65.01454445024554,"volatility":0.05993770725600263}},"ranking":8.83912293002885,"professional":false,"ui_class":""},"description":"19x19","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":24480,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":21600,"initial_time":259200,"max_time":345600},"is_open":true,"exclude_provisional":false,"group":{"id":374,"name":"Slovenija","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":55,"icon":"https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"},"auto_start_on_max":true,"time_start":"2020-11-13T14:05:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":12,"analysis_enabled":true,"exclusivity":"open","started":"2020-11-13T14:05:19.806843Z","ended":"2021-01-19T08:45:26.497478Z","start_waiting":"2020-11-13T14:05:19.595165Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png","player_count":3,"ranked":true}]}