{"count":59891,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=rules&page=17","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=rules&page=15","results":[{"id":112511,"name":"Half Term Tournament","director":{"id":204231,"username":"Duin","country":"gb","icon":"https://secure.gravatar.com/avatar/5aa764ab93c95913061ebff5402129d7?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1185.1404717778014,"deviation":65.3757098612598,"volatility":0.06005298550667494}},"ranking":18.849154236175806,"professional":false,"ui_class":"supporter"},"description":"Abingdon Go Tournament","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"aga","time_per_move":93703,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":432000,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":12962,"name":"Abingdon School","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":true,"hide_details":false,"member_count":28,"icon":"https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-64.png"},"auto_start_on_max":false,"time_start":"2024-02-08T13:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2024-02-08T12:29:14.439736Z","ended":"2024-02-27T19:36:24.743706Z","start_waiting":"2024-02-08T12:29:14.299622Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-15.png","player_count":8,"ranked":true},{"id":121942,"name":"Alpha Go Club Tourney - GREEN STONE","director":{"id":1644540,"username":"goalpha123","country":"un","icon":"https://secure.gravatar.com/avatar/6499489ee0ac748d908c4d8d34ef33e2?s=64&d=retro","ratings":{"version":5,"overall":{"rating":981.1857548440942,"deviation":150.8872661688504,"volatility":0.06001230018001798}},"ranking":14.477165756336491,"professional":false,"ui_class":""},"description":"GREEN STONE","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"aga","time_per_move":87861,"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":false,"group":{"id":14778,"name":"Alpha School Go Club","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":true,"hide_details":true,"member_count":17,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2024-11-12T18:00:00Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2024-11-12T18:01:00.412326Z","ended":"2024-11-15T20:11:35.379194Z","start_waiting":"2024-11-12T18:00:59.972937Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":14,"ranked":true},{"id":114089,"name":"Easter Tournament","director":{"id":204231,"username":"Duin","country":"gb","icon":"https://secure.gravatar.com/avatar/5aa764ab93c95913061ebff5402129d7?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1185.1404717778014,"deviation":65.3757098612598,"volatility":0.06005298550667494}},"ranking":18.849154236175806,"professional":false,"ui_class":"supporter"},"description":"Thursday club tournament","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"aga","time_per_move":171733,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":12962,"name":"Abingdon School","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":true,"hide_details":false,"member_count":28,"icon":"https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-64.png"},"auto_start_on_max":false,"time_start":"2024-03-21T13:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2024-03-21T12:41:19.423493Z","ended":"2024-08-23T11:12:37.667628Z","start_waiting":"2024-03-21T12:41:19.330522Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-15.png","player_count":6,"ranked":true},{"id":45113,"name":"Ratio Cup Group B (Choose one group)","director":{"id":153455,"username":"El0m","country":"gb","icon":"https://user-uploads.online-go.com/018b099d6b5f111ad780b468738dc998-64.png","ratings":{"version":5,"overall":{"rating":1295.7038814112566,"deviation":70.83331711939027,"volatility":0.0603648964543371}},"ranking":20.913967003155264,"professional":false,"ui_class":""},"description":"Ratio Cup qualification","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"aga","time_per_move":5,"time_control_parameters":{"period_time":2,"main_time":300,"system":"byoyomi","pause_on_weekends":false,"time_control":"byoyomi","periods":300,"speed":"blitz"},"is_open":true,"exclude_provisional":false,"group":{"id":1398,"name":"Ratio","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":7,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2019-02-01T05:00:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2019-02-11T17:03:11.390364Z","ended":"2019-02-11T17:46:53.986905Z","start_waiting":"2019-02-11T17:03:08.963876Z","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":60438,"name":"Test Tournament 9x9","director":{"id":8591,"username":"Paul Smith","country":"gb","icon":"https://user-uploads.online-go.com/137217ef964f2be1ed28638cde3f867f-64.png","ratings":{"version":5,"overall":{"rating":1776.2649520202158,"deviation":81.46902594694446,"volatility":0.05998981464340914}},"ranking":28.21683666936091,"professional":false,"ui_class":""},"description":"A quick 3 round 9x9 tournament to see how the automatic tournaments on OGS work. If it works well, we'll have some more tournaments later on bigger size boards!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"aga","time_per_move":3,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"blitz","pause_on_weekends":false,"total_time":300},"is_open":true,"exclude_provisional":false,"group":{"id":4739,"name":"British Go Association Youth","summary":"British Go Association's group for youth players. Some adult helpers are also members.","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":158,"icon":"https://user-uploads.online-go.com/32f8f5b2bf687d438316b083f862d81f-64.png"},"auto_start_on_max":false,"time_start":"2020-05-13T16:35:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-05-13T16:35:32.606658Z","ended":"2020-05-13T17:02:12.680471Z","start_waiting":"2020-05-13T16:35:32.082705Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/32f8f5b2bf687d438316b083f862d81f-15.png","player_count":5,"ranked":true},{"id":132893,"name":"1776s open tournaments 0.0009","director":{"id":1436588,"username":"Arrow A6 anti-","country":"zz","icon":"https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png","ratings":{"version":5,"overall":{"rating":588.6751839572613,"deviation":80.73457404236709,"volatility":0.0636275307525229}},"ranking":5,"professional":false,"ui_class":""},"description":"A Tournament series","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"aga","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":13797,"name":" 无间勤碁术化  Go Advance forward forever","summary":"欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":496,"icon":"https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"},"auto_start_on_max":false,"time_start":"2025-10-02T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-02T15:00:49.247581Z","ended":"2025-11-03T17:07:30.877386Z","start_waiting":"2025-10-02T15:00:49.149330Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png","player_count":6,"ranked":true},{"id":41891,"name":"Christmas Go","director":{"id":503127,"username":"zombiewarrior88","country":"un","icon":"https://secure.gravatar.com/avatar/fb4e72418e490f4e6579d86b747db6f1?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1214.311434818523,"deviation":86.67575938156371,"volatility":0.06001172103733663}},"ranking":19.412067012948505,"professional":false,"ui_class":""},"description":"Come join and play this christmas Go. Enjoy and, more importantly, have fun. Enjoy.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"aga","time_per_move":120,"time_control_parameters":{"time_control":"simple","speed":"live","system":"simple","pause_on_weekends":false,"per_move":120},"is_open":true,"exclude_provisional":true,"group":{"id":515,"name":"OGS Title Tournaments","summary":"Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":2982,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2018-12-26T01:00:00Z","players_start":1,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-12-26T01:00:16.318370Z","ended":"2018-12-26T01:23:28.100057Z","start_waiting":"2018-12-26T01:00:13.448179Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":26,"ranked":true},{"id":129399,"name":"End of school.","director":{"id":875708,"username":"vanecho","country":"ca","icon":"https://secure.gravatar.com/avatar/21fd8ed0ecc0af43aabf973b48f11224?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1394.7405472660932,"deviation":67.62793700753289,"volatility":0.060329591840027785}},"ranking":22.6190646291034,"professional":false,"ui_class":""},"description":"Since everyone had fun in the last tournament we created a new one.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"aga","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":10243,"name":"AGA GO CLUB","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":27,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2025-07-01T01:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2025-07-01T01:00:29.986397Z","ended":null,"start_waiting":"2025-07-01T01:00:29.759799Z","board_size":19,"active_round":7,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":20,"ranked":true},{"id":3546,"name":"Europien league","director":{"id":117797,"username":"Hao","country":"cn","icon":"https://secure.gravatar.com/avatar/2ddc0a2f6b4f5fcab04ccc1b3b1d2a13?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1633.9256081566064,"deviation":68.34269329834888,"volatility":0.060003449667971685}},"ranking":26.283178512655773,"professional":false,"ui_class":""},"description":"For people that's open minded","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"aga","time_per_move":13440,"time_control_parameters":{"total_time":1209600,"time_control":"absolute"},"is_open":true,"exclude_provisional":true,"group":{"id":9,"name":"Русская группа","summary":"Интересные, призовые турниры.","require_invitation":true,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1957,"icon":"https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"},"auto_start_on_max":false,"time_start":"2014-12-23T06:20:00Z","players_start":10,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2014-12-28T06:37:52.561514Z","ended":"2015-05-27T19:22:52.469910Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png","player_count":10,"ranked":true},{"id":126995,"name":"1776s open tournaments 0.0004","director":{"id":1436588,"username":"Arrow A6 anti-","country":"zz","icon":"https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png","ratings":{"version":5,"overall":{"rating":588.6751839572613,"deviation":80.73457404236709,"volatility":0.0636275307525229}},"ranking":5,"professional":false,"ui_class":""},"description":"A Tournament series","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"aga","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":13797,"name":" 无间勤碁术化  Go Advance forward forever","summary":"欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":496,"icon":"https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"},"auto_start_on_max":false,"time_start":"2025-04-03T11:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-03T11:00:13.521932Z","ended":"2026-02-14T10:48:05.756941Z","start_waiting":"2025-04-03T11:00:13.399452Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png","player_count":14,"ranked":true}]}