{"count":59571,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=subsequent_pairing_method&page=1184","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=subsequent_pairing_method&page=1182","results":[{"id":47112,"name":"Correspondence 13x13 RoundRobin 2019-04-03 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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260504T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-05-04T19:00:49.456243Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":13,"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":"2026-05-07T19:00:00Z","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":"2019-04-03T19:00:47.486680Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-04-03T19:01:16.850659Z","ended":"2019-05-03T23:49:04.868201Z","start_waiting":"2019-04-03T19:01:16.309254Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":4,"ranked":true},{"id":89889,"name":"live tournament","director":{"id":1125459,"username":"The bird","country":"un","icon":"https://secure.gravatar.com/avatar/7645c7666d7312d774d9c19602f0c5be?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1172.588966894239,"deviation":90.18018989926959,"volatility":0.06001518320124037}},"ranking":18.60267126128303,"professional":false,"ui_class":""},"description":"have fun","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":120,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"live","pause_on_weekends":false,"per_move":120},"is_open":true,"exclude_provisional":false,"group":{"id":6993,"name":"Live Tournaments","summary":"A group for players who enjoy live tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":26,"icon":"https://user-uploads.online-go.com/a9ac8506a91a3dc2dedf5e9cebc56769-64.png"},"auto_start_on_max":false,"time_start":"2022-05-12T04:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":23,"analysis_enabled":true,"exclusivity":"open","started":"2022-05-12T04:00:32.369583Z","ended":"2022-05-12T04:05:44.786726Z","start_waiting":"2022-05-12T04:00:32.309678Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/a9ac8506a91a3dc2dedf5e9cebc56769-15.png","player_count":2,"ranked":true},{"id":87962,"name":"Bリーグ（7級～3級）","director":{"id":776731,"username":"AYAMI.S","country":"un","icon":"https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png","ratings":{"version":5,"overall":{"rating":2135.391155460219,"deviation":62.434741307036,"volatility":0.05997799478924156}},"ranking":32.47960874599521,"professional":false,"ui_class":""},"description":"リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":13440,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":1209600},"is_open":true,"exclude_provisional":false,"group":{"id":7692,"name":"Yushima Go Cafe （湯島囲碁喫茶）","summary":"This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":114,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"},"auto_start_on_max":false,"time_start":"2022-04-07T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":23,"max_ranking":27,"analysis_enabled":true,"exclusivity":"group","started":"2022-04-07T11:00:06.601257Z","ended":"2022-05-12T05:33:24.256379Z","start_waiting":"2022-04-07T11:00:06.341611Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png","player_count":7,"ranked":true},{"id":97472,"name":"13x13 Open League #1","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1302.5634718234464,"deviation":69.06809206244723,"volatility":0.060209056214312356}},"ranking":21.036202220240828,"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":90782,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"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":72,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2023-01-08T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-01-07T08:31:52.638035Z","ended":"2023-03-26T17:45:31.406975Z","start_waiting":"2023-01-07T08:31:52.087876Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":15152,"name":"Correspondence 19x19 RoundRobin 2016-02-23 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:20260503T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-03T19:00:48.974165Z","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":"2026-05-06T19:00:00Z","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":"2016-02-23T01:00:58.780476Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-02-23T01:01:18.552325Z","ended":"2016-05-13T02:13:19.264167Z","start_waiting":"2016-02-23T01:01:17.422833Z","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":26856,"name":"Mafiascum's Tournament Test #1","director":{"id":189616,"username":"tn5421","country":"us","icon":"https://secure.gravatar.com/avatar/e085243bdd6fe135bd1d268e61a232f3?s=64&d=retro","ratings":{"version":5,"overall":{"rating":899.9757295280342,"deviation":80.6395572313478,"volatility":0.059991559088907825}},"ranking":12.47714469307053,"professional":false,"ui_class":""},"description":"A test of the tournament system.\nInitial time given is 2 days per move, and you get 1 day per move played.  Weekends do not count.\nYou do not need to have played 5 games to participate, but you do need to be a member of the group.\nEvery player will play every other player, using 13x13 board and Japanese scoring rules.  No handicaps.\nAt this time no players ranked over 10kyu will be accepted.\n\nI am uncertain but you may need to be on this page when the timer runs down in order to participate.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88320,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":172800,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":1577,"name":"Mafiascum Go Club","summary":"Go players of mafiascum.net","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":8,"icon":"https://user-uploads.online-go.com/210ac1551bacd4303c41bc29dd07b524-64.png"},"auto_start_on_max":false,"time_start":"2017-05-08T20:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":20,"analysis_enabled":true,"exclusivity":"group","started":"2017-05-08T20:00:39.123100Z","ended":"2017-06-08T20:34:10.177794Z","start_waiting":"2017-05-08T20:00:37.536480Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/210ac1551bacd4303c41bc29dd07b524-15.png","player_count":7,"ranked":true},{"id":44320,"name":"April ,Michigan G.P.","director":{"id":467165,"username":"MummRa","country":"us","icon":"https://user-uploads.online-go.com/68359dab5164ddcdffa8ad4ca0699079-64.png","ratings":{"version":5,"overall":{"rating":1247.96548084978,"deviation":64.85752922715939,"volatility":0.06002061271498367}},"ranking":20.044928150690506,"professional":false,"ui_class":""},"description":"Absolute play clock\n\nWinners of monthly tournaments will be invited to yearly championship game","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":26880,"time_control_parameters":{"total_time":2419200,"time_control":"absolute","speed":"correspondence","system":"absolute","pause_on_weekends":false},"is_open":true,"exclude_provisional":true,"group":{"id":306,"name":"Michigan Go Players","summary":"For Players from all over Michigan","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":88,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2019-04-14T12:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2019-04-14T12:00:37.442970Z","ended":"2019-08-16T21:00:38.230916Z","start_waiting":"2019-04-14T12:00:32.212153Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":6,"ranked":true},{"id":124536,"name":"9x9 Mini League 10k-25k #277","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1302.5634718234464,"deviation":69.06809206244723,"volatility":0.060209056214312356}},"ranking":21.036202220240828,"professional":false,"ui_class":""},"description":"Special league for players between 25kyu and 10kyu. 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":697,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2025-01-26T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-25T08:48:01.031462Z","ended":"2025-02-18T03:32:17.225149Z","start_waiting":"2025-01-25T08:48:00.893160Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":49025,"name":"Correspondence 19x19 RoundRobin 2019-06-04 20:57","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:20260503T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-03T19:00:48.974165Z","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":"2026-05-06T19:00:00Z","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":"2019-06-04T20:57:59.767098Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-06-04T20:58:55.053984Z","ended":"2019-12-13T19:39:10.651523Z","start_waiting":"2019-06-04T20:58:48.767537Z","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":129565,"name":"Correspondence 13x13 RoundRobin 2025-06-18 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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260504T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-05-04T19:00:49.456243Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":13,"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":"2026-05-07T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":90782,"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":"2025-06-18T19:00:27.514665Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-18T19:01:27.545074Z","ended":"2025-08-20T05:04:06.711632Z","start_waiting":"2025-06-18T19:01:27.016280Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":10,"ranked":true}]}