{"count":59363,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4781","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4779","results":[{"id":44810,"name":"Correspondence 19x19 RoundRobin 2019-01-20 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:20260415T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-15T19:00:55.986580Z","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":"2026-04-18T19:00:00Z","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":"2019-01-20T19:00:05.329721Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-01-20T19:00:41.090216Z","ended":"2019-07-22T22:37:11.731714Z","start_waiting":"2019-01-20T19:00:36.336474Z","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":92452,"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":"Olympic System Tournament","schedule":null,"title":null,"tournament_type":"elimination","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":11969,"name":"OST GO","summary":"For Olympic tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":54,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"},"auto_start_on_max":false,"time_start":"2022-08-08T05:08:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-08-08T05:08:46.171948Z","ended":"2023-06-13T20:48:42.262048Z","start_waiting":"2022-08-08T05:08:45.895643Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png","player_count":24,"ranked":true},{"id":46240,"name":"Haijo: Yakobura Kenkyūkai National","director":{"id":621211,"username":"JacobLa","country":"us","icon":"https://secure.gravatar.com/avatar/73fc71789ec7cb279d61abba948183d7?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1288.4346246033283,"deviation":82.10739624015652,"volatility":0.06000382762189881}},"ranking":20.78372341242153,"professional":false,"ui_class":""},"description":"National Version of Haijo: Yakobura Kenkyūkai","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":10,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":30,"max_time":60,"time_increment":10,"speed":"live"},"is_open":true,"exclude_provisional":false,"group":{"id":3450,"name":"Study Group - Taught by JacobLa","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":"2019-03-06T06:30:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-03-06T06:30:34.266802Z","ended":"2019-03-06T06:30:47.306042Z","start_waiting":"2019-03-06T06:30:34.081920Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":1,"ranked":true},{"id":83799,"name":"Eリーグ（入門・ビギナー 13路盤）","director":{"id":874208,"username":"FUKO.S","country":"jp","icon":"https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png","ratings":{"version":5,"overall":{"rating":2208.151542128061,"deviation":68.94747429756583,"volatility":0.06003767154281009}},"ranking":33.25527075653788,"professional":false,"ui_class":"supporter"},"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":"2021-12-23T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"group","started":"2021-12-23T11:00:46.946279Z","ended":"2022-01-25T19:01:44.753680Z","start_waiting":"2021-12-23T11:00:46.718043Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png","player_count":5,"ranked":true},{"id":14211,"name":"Correspondence 13x13 RoundRobin 2016-01-19 01:00","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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260416T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-04-16T19:00:57.227717Z","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":"2026-04-19T19:00:00Z","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":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-01-19T01:00:34.703282Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-01-19T01:00:54.935027Z","ended":"2016-03-15T23:46:45.240840Z","start_waiting":"2016-01-19T01:00:53.528215Z","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},{"id":9185,"name":"Contest of the Century","director":{"id":101306,"username":"Scaevola","country":"tw","icon":"https://user-uploads.online-go.com/cb01a2ff923b1fcaa1339dd864ddad00-64.png","ratings":{"version":5,"overall":{"rating":1338.4819504731647,"deviation":66.40420533921888,"volatility":0.05995952138661418}},"ranking":21.665925621201833,"professional":false,"ui_class":""},"description":"This is the big one","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":537,"name":"Race to SDK!","summary":"A place for rivals to get stronger together","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":61,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2015-07-25T08:08:00Z","players_start":10,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2015-07-25T08:08:49.023823Z","ended":"2016-03-17T10:55:42.268267Z","start_waiting":"2015-07-25T08:08:48.530057Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":12,"ranked":true},{"id":59022,"name":"9x9 t","director":{"id":75675,"username":"flexo37","country":"gb","icon":"https://user-uploads.online-go.com/aed35fddbbab02a96f4cd51229121646-64.png","ratings":{"version":5,"overall":{"rating":1399.195070649447,"deviation":63.333175795013965,"volatility":0.060045258884513286}},"ranking":22.692883297680606,"professional":false,"ui_class":"supporter"},"description":"9ix9 tournmeyt","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":32,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":240,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":259,"name":"Brighton Go Club","summary":"Group for anyone who plays Go in Brighton, UK","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":42,"icon":"https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-64.png"},"auto_start_on_max":false,"time_start":"2020-04-14T20:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-04-14T19:56:04.378728Z","ended":"2020-04-14T20:09:13.012799Z","start_waiting":"2020-04-14T19:56:03.528136Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-15.png","player_count":4,"ranked":true},{"id":109614,"name":"Correspondence 9x9 RoundRobin 2023-11-15 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260414T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-14T19:00:56.031508Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":9,"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":"2026-04-17T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":"2023-11-15T19:00:31.853247Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2023-11-15T19:00:51.485070Z","ended":"2023-12-07T04:59:51.571113Z","start_waiting":"2023-11-15T19:00:51.310119Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":5,"ranked":true},{"id":4862,"name":"World best player","director":{"id":104763,"username":"陈建安","country":"_GoT_Baratheon","icon":"https://user-uploads.online-go.com/1aa16f12b66fc596a3696d70092cc911-64.png","ratings":{"version":5,"overall":{"rating":1489.2961464747332,"deviation":64.25758150588709,"volatility":0.05996218953177387}},"ranking":24.137593811895286,"professional":false,"ui_class":""},"description":"Come on, who is the world's best player?","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":13440,"time_control_parameters":{"total_time":1209600,"time_control":"absolute"},"is_open":true,"exclude_provisional":true,"group":{"id":500,"name":"happy go lucky","summary":"开心就好！","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":37,"icon":"https://user-uploads.online-go.com/31d441f9afa9088b6843a0c6179dba28-64.png"},"auto_start_on_max":false,"time_start":"2015-02-20T23:30:00Z","players_start":6,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-02-20T23:30:56.304784Z","ended":"2015-09-16T03:35:07.759667Z","start_waiting":"2015-02-20T23:30:56.092440Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/31d441f9afa9088b6843a0c6179dba28-15.png","player_count":8,"ranked":true},{"id":44427,"name":"Fast Correspondence – January 2019 (D)","director":{"id":784,"username":"mlopezviedma","country":"ar","icon":"https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png","ratings":{"version":5,"overall":{"rating":1536.4381320641062,"deviation":62.14012379341324,"volatility":0.05973603494346066}},"ranking":24.85902218934289,"professional":false,"ui_class":"supporter moderator"},"description":"**Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).**","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":30720,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":172800,"max_time":172800,"time_increment":28800,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":508,"name":"Fast Correspondence","summary":"Tournaments for people who like to play quick correspondence games.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":822,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":false,"time_start":"2019-01-13T00:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2019-01-13T00:00:49.508500Z","ended":"2019-02-24T19:16:34.222785Z","start_waiting":"2019-01-13T00:00:46.018151Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":10,"ranked":true}]}