{"count":59748,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=1543","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=1541","results":[{"id":70132,"name":"Irish Correspondence Championship 2021 Bracket A","director":{"id":430,"username":"rottenhat","country":"ie","icon":"https://user-uploads.online-go.com/39625f5d6aa9484f8212327bf6eb9290-64.png","ratings":{"version":5,"overall":{"rating":1781.280091736795,"deviation":62.057718815549876,"volatility":0.05995437910309559}},"ranking":28.28210671368644,"professional":false,"ui_class":""},"description":"Email eoghanbarry at outlook dot com with your name and OGS username by February 7th to join.\n\nMultiple brackets of 6–8 players if I get enough entries. \n\nOpen to anyone who is Irish, has ever lived in Ireland, is married or otherwise related to someone Irish, or has any connection to Irish go, however tenuous.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":99840,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":1209600,"max_time":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":858,"name":"Ireland","summary":"For Irish go players, and friends of Irish go, wherever they may roam...","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":209,"icon":"https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-64.png"},"auto_start_on_max":false,"time_start":"2021-02-15T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2021-02-15T09:00:32.041824Z","ended":"2021-07-30T10:43:55.790726Z","start_waiting":"2021-02-15T09:00:31.441154Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-15.png","player_count":7,"ranked":true},{"id":118614,"name":"Correspondence 9x9 RoundRobin 2024-07-30 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260523T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-05-23T19:00:16.314067Z","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":"2026-05-26T19:00:00Z","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":"2024-07-30T19:00:17.139747Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2024-07-30T19:00:17.667325Z","ended":"2024-08-20T23:47:23.687439Z","start_waiting":"2024-07-30T19:00:17.448711Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":6,"ranked":true},{"id":68935,"name":"19x19 - DDKs Quick Correspondance - Practice and Learn.","director":{"id":772773,"username":"Omar_Ramirez","country":"mx","icon":"https://secure.gravatar.com/avatar/cc6e7201895242bdb1f4da007d65c46e?s=64&d=retro","ratings":{"version":5,"overall":{"rating":852.0223343079039,"deviation":62.61027100632482,"volatility":0.060096714877981634}},"ranking":11.209565162702644,"professional":false,"ui_class":""},"description":"Quick Tournament with the opportunity to learn.\n\nLong enough clock to think about your moves.","schedule":null,"title":null,"tournament_type":"elimination","handicap":-1,"rules":"japanese","time_per_move":132480,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":259200,"period_time":129600,"periods":5},"is_open":true,"exclude_provisional":false,"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":17977,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2020-12-21T01:00:00Z","players_start":12,"first_pairing_method":"strength","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2020-12-21T01:00:47.142031Z","ended":"2022-06-25T19:23:45.550374Z","start_waiting":"2020-12-21T01:00:45.468869Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":39,"ranked":true},{"id":79390,"name":"TOURNAMENT","director":{"id":1035195,"username":"SECRET SOLD 0883","country":"au","icon":"https://secure.gravatar.com/avatar/27c06f0addf96d0a389a9aedc69e19e8?s=64&d=retro","ratings":{"version":5,"overall":{"rating":662.6463996212356,"deviation":81.61936711942215,"volatility":0.059985348352244984}},"ranking":5.390321270292009,"professional":false,"ui_class":""},"description":"HI MY NAME IS Isaac Chen","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":87360,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":86400,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":3,"name":"OGS","summary":"An open group for folks' who like OGS!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1784,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"},"auto_start_on_max":false,"time_start":"2021-08-28T23:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-08-29T08:10:03.543194Z","ended":"2021-09-24T17:49:24.538188Z","start_waiting":"2021-08-29T08:10:03.398785Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png","player_count":4,"ranked":true},{"id":112401,"name":"Rank 1 Tháng 2/2024","director":{"id":1429815,"username":"Văn Vương","country":"vn","icon":"https://user-uploads.online-go.com/54b2ff39f4bf6580f42bb7e2736eab46-64.png","ratings":{"version":5,"overall":{"rating":1692.9502511083929,"deviation":107.6512440342584,"volatility":0.060001220676664156}},"ranking":27.10470834345674,"professional":false,"ui_class":""},"description":"Giải đấu hàng tháng Rank 1: 30-18 Kyu dành cho thành viên Xóm Cờ Vây.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":180,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":13517,"name":"Xóm Cờ Vây","summary":"Xóm Cờ Vây là một cộng đồng chơi cờ vây trực tuyến của các kỳ thủ cờ vây Việt Nam, do kỳ thủ Vương Đánh Cờ Vây thành lập, nhằm giúp đỡ những người muốn học chơi cờ vây ở Việt Nam.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":578,"icon":"https://user-uploads.online-go.com/54b2ff39f4bf6580f42bb7e2736eab46-64.png"},"auto_start_on_max":false,"time_start":"2024-02-06T08:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":12,"analysis_enabled":true,"exclusivity":"group","started":"2024-02-06T08:00:38.546198Z","ended":"2024-02-06T08:18:37.100510Z","start_waiting":"2024-02-06T08:00:38.473351Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/54b2ff39f4bf6580f42bb7e2736eab46-15.png","player_count":7,"ranked":true},{"id":73390,"name":"Tournoi de l’ULCO","director":{"id":628772,"username":"Saikidoka","country":"fr","icon":"https://user-uploads.online-go.com/c47d806fed349099b6781d4da6cdd2a2-64.png","ratings":{"version":5,"overall":{"rating":1465.1621596168413,"deviation":64.31834255289833,"volatility":0.05998376324664777}},"ranking":23.75937610480453,"professional":false,"ui_class":""},"description":"Tournoi des jeunes lions de l’ULCO (référence dans l’univers du Go 😉)","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":0,"time_control_parameters":{"system":"none","time_control":"none","speed":"correspondence","pause_on_weekends":false},"is_open":true,"exclude_provisional":false,"group":{"id":3265,"name":"Le Goban d'Opale","summary":"Groupe des (futurs) membres du Goban d’Opale.","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":15,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-04-12T16:55:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2021-04-12T16:55:42.359266Z","ended":"2021-04-12T20:11:09.165109Z","start_waiting":"2021-04-12T16:55:42.156327Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":62132,"name":"Fast Correspondence July SDK","director":{"id":514162,"username":"aixpen","country":"gb","icon":"https://user-uploads.online-go.com/e47ca542220a4e8a4403b3e7731c10d0-64.png","ratings":{"version":5,"overall":{"rating":1611.0543996011113,"deviation":62.517388491089044,"volatility":0.059933163056202776}},"ranking":25.956842298256998,"professional":false,"ui_class":"supporter"},"description":"Please avoid delaying your games: plan to not take vacation until your tournament participation is finished.\n\nAnalysis is enabled to allow the use of conditional moves.\n\nPause on weekends is disabled.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":30720,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":28800,"initial_time":172800,"max_time":172800},"is_open":true,"exclude_provisional":true,"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":823,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":true,"time_start":"2020-06-30T23:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2020-06-24T07:00:33.877741Z","ended":"2020-08-29T02:20:02.849108Z","start_waiting":"2020-06-24T07:00:30.418476Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":10,"ranked":true},{"id":70711,"name":"Crvenka","director":{"id":134125,"username":"mitava","country":"at","icon":"https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png","ratings":{"version":5,"overall":{"rating":781.6916230243883,"deviation":65.15832791465333,"volatility":0.059924217208339736}},"ranking":9.215136601517967,"professional":false,"ui_class":""},"description":"19x19","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":38880,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":36000,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":27,"name":"Serbian Go Players","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":81,"icon":"https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-64.png"},"auto_start_on_max":true,"time_start":"2021-01-30T17:00:00Z","players_start":3,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":18,"analysis_enabled":true,"exclusivity":"open","started":"2021-01-30T17:00:17.387148Z","ended":"2021-05-21T14:17:43.432599Z","start_waiting":"2021-01-30T17:00:17.246245Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-15.png","player_count":7,"ranked":true},{"id":79408,"name":"Test safad","director":{"id":1043021,"username":"kghugo","country":"un","icon":"https://secure.gravatar.com/avatar/926ef732d023aef6b969a94265462ba5?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500,"deviation":350,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"TEsting","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":false,"group":{"id":10004,"name":"smart go academy","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":16,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-08-29T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-08-29T20:01:35.770432Z","ended":"2021-09-30T20:58:32.436734Z","start_waiting":"2021-08-29T20:01:35.622046Z","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":96410,"name":"Correspondence 9x9 RoundRobin 2022-11-05 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260523T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-05-23T19:00:16.314067Z","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":"2026-05-26T19:00:00Z","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":"2022-11-05T19:00:29.662382Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2022-11-05T19:00:30.316894Z","ended":"2022-12-29T05:54:57.002641Z","start_waiting":"2022-11-05T19:00:29.980272Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":9,"ranked":true}]}