{"count":60023,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=board_size&page=5624","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=board_size&page=5622","results":[{"id":107860,"name":"19x19 Open D.E. Cup #43","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1293.2851288159748,"deviation":70.63474169097069,"volatility":0.06022023803937533}},"ranking":20.870711401335065,"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":76,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2023-10-01T21:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-10-01T20:53:41.407620Z","ended":"2025-08-02T20:13:27.924245Z","start_waiting":"2023-10-01T20:53:41.266478Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":59719,"name":"The 21st Murase Go Group Tournament","director":{"id":449215,"username":"SM-SYaKo","country":"jp","icon":"https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png","ratings":{"version":5,"overall":{"rating":1182.178471692773,"deviation":63.45983688838135,"volatility":0.060058455061893425}},"ranking":18.79122343818162,"professional":false,"ui_class":""},"description":"毎月27日に開催される定例トーナメントです。これは第二十一回村瀬碁グループ定例トーナメントです。2020年5月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 21st tournament that starts on May 27th, 2020.","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":-1,"rules":"japanese","time_per_move":21840,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":18000,"initial_time":345600,"max_time":345600},"is_open":true,"exclude_provisional":false,"group":{"id":2389,"name":"Murase Go Group","summary":"The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":92,"icon":"https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-64.png"},"auto_start_on_max":false,"time_start":"2020-05-27T12:00:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-05-27T12:00:44.507140Z","ended":"2021-02-15T09:01:40.193829Z","start_waiting":"2020-05-27T12:00:36.548454Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png","player_count":42,"ranked":true},{"id":71427,"name":"Blitz 19x19 Elimination Tournament 2021-02-15 09:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260624T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-24T13:00:16.124700Z","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":"2026-06-24T17:00:00Z","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":"2021-02-15T09:30:32.569967Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2021-02-15T09:30:33.143170Z","ended":"2021-02-15T10:01:46.472343Z","start_waiting":"2021-02-15T09:30:32.850821Z","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":123604,"name":"Blitz 19x19 Elimination Tournament 2024-12-24 21:30","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 Site-wide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260624T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-24T13:00:16.124700Z","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":"2026-06-24T17:00:00Z","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":"2024-12-24T21:30:55.626174Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2024-12-24T21:31:55.699631Z","ended":"2024-12-24T22:03:24.544635Z","start_waiting":"2024-12-24T21:31:55.624609Z","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":133471,"name":"Think Different, Find a Game Changer__Qualify Round","director":{"id":1776211,"username":"MAESTRO of BADUK","country":"kr","icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png","ratings":{"version":5,"overall":{"rating":1780.1125530663214,"deviation":67.44339287166498,"volatility":0.06003264861713345}},"ranking":28.26692808898232,"professional":false,"ui_class":""},"description":"This is for players who want to play fast correspondence match \n\nTournament for DDK 25k ~ 11k\n\nStart time: 2 days\n\nFischer:: 7 hours\n\nMax. Time: 3 days\n\n*****\nQualify Round Participant:\n\nIf there are 16 or fewer players, the top two players will advance to the finals.\nAlso,  If there are 16 to 32 players, the top 4 players will advance to the finals round.\n\n*****\nThe winner and runner-up of the final round will receive an invitation to the tournament held in this group up to 1kyu with no qualification restrictions.\n\n(You must be a member of this group to receive an invitation. In accordance with the OGS system, we cannot send you an invitation if you are not a member of the group.)\n\nPlease be careful below the rule;\n\nNO PAUSE & NO VACATION, anyone who takes on the vacation or pauses a game, will be disqualified.\n\nPlease send the tournament director a message if you find that your opponent pauses or turns vacation mode on.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":26568,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":25200,"initial_time":172800,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":15815,"name":"RollingStones : Global & 한국인","summary":"한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":78,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"},"auto_start_on_max":true,"time_start":"2025-10-23T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":19,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-22T19:19:48.913694Z","ended":null,"start_waiting":"2025-10-22T19:19:48.403891Z","board_size":19,"active_round":8,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":71146,"name":"Anson","director":{"id":925468,"username":"P3D30","country":"un","icon":"https://secure.gravatar.com/avatar/184f834bf8f9962026dc14aa599310b2?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1390.1056083581561,"deviation":112.77954533230287,"volatility":0.06000234431541851}},"ranking":22.54200548199314,"professional":false,"ui_class":""},"description":"Jdjjjdjhedjedheuedhueuhd","schedule":null,"title":null,"tournament_type":"mcmahon","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":8274,"name":"Hiiiiiiiii","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":2,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-02-08T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-02-08T16:30:40.627218Z","ended":"2021-05-03T12:15:20.637925Z","start_waiting":"2021-02-08T16:30:40.514027Z","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":102793,"name":"Tournament for beginners","director":{"id":1333360,"username":"1wuryd","country":"cn","icon":"https://user-uploads.online-go.com/09df0c62018124939bfa3b81283f554c-64.png","ratings":{"version":5,"overall":{"rating":1127.6000700937311,"deviation":162.59080438930707,"volatility":0.0600029206577095}},"ranking":17.696984136456305,"professional":false,"ui_class":"provisional"},"description":"simple stuff","schedule":null,"title":null,"tournament_type":"mcmahon","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":true,"group":{"id":13175,"name":"Group for beginners","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":2,"icon":"https://user-uploads.online-go.com/ffb463023043f14d5d344b1a7c4ec592-64.png"},"auto_start_on_max":false,"time_start":"2023-05-02T02:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-12-20T18:53:55.016083Z","ended":"2024-12-31T23:03:12.268010Z","start_waiting":"2024-12-20T18:53:54.937898Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/ffb463023043f14d5d344b1a7c4ec592-15.png","player_count":4,"ranked":true},{"id":73749,"name":"Blitz 19x19 Elimination Tournament 2021-04-11 05:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260624T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-24T13:00:16.124700Z","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":"2026-06-24T17:00:00Z","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":"2021-04-11T05:30:08.506530Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2021-04-11T05:30:09.981173Z","ended":"2021-04-11T05:42:03.484680Z","start_waiting":"2021-04-11T05:30:09.810959Z","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":71429,"name":"Noob no handicap Round robin (25-12 kyu)","director":{"id":902324,"username":"林峻希","country":"hk","icon":"https://secure.gravatar.com/avatar/16d8cf873ce39682456313cf977561db?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1238.2556866816683,"deviation":67.2057871599663,"volatility":0.060153671350274045}},"ranking":19.864105236973693,"professional":false,"ui_class":""},"description":"Noob no handicap Round robin (25-12 kyu)","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":6720,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":8069,"name":"friend group","summary":"ONLY FOR MY FRIENDS! SO FRIEND ME NOW!","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":38,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-02-15T11:00:00Z","players_start":1,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":18,"analysis_enabled":false,"exclusivity":"open","started":"2021-02-15T11:00:37.157245Z","ended":"2021-02-15T11:19:19.099476Z","start_waiting":"2021-02-15T11:00:37.137752Z","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":76492,"name":"19/6 馬彥彬\t何信霆","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":"19/6 馬彥彬\t何信霆","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":"2021-06-19T04:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2021-06-19T03:44:42.404250Z","ended":"2021-06-19T04:06:09.077868Z","start_waiting":"2021-06-19T03:44:42.338895Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":2,"ranked":true}]}