{"count":59403,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4128","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4126","results":[{"id":94339,"name":"Praha 20","director":{"id":134125,"username":"mitava","country":"at","icon":"https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png","ratings":{"version":5,"overall":{"rating":790.2994072178445,"deviation":64.66815139504368,"volatility":0.05991724621983771}},"ranking":9.46866501470618,"professional":false,"ui_class":""},"description":"19x19","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":259200,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":31,"name":"Český pokoj","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":49,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2022-09-06T16:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":12,"max_ranking":18,"analysis_enabled":true,"exclusivity":"open","started":"2022-09-06T16:00:28.173013Z","ended":"2022-11-15T20:23:38.713584Z","start_waiting":"2022-09-06T16:00:27.786986Z","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":22930,"name":"Correspondence 9x9 RoundRobin 2016-12-12 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260417T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-17T19:00:56.701536Z","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":"2026-04-20T19:00:00Z","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":"2016-12-12T01:00:17.533918Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-12-12T01:00:39.382843Z","ended":"2017-02-14T07:17:08.467876Z","start_waiting":"2016-12-12T01:00:36.490054Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":86438,"name":"Polzela","director":{"id":134125,"username":"mitava","country":"at","icon":"https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png","ratings":{"version":5,"overall":{"rating":790.2994072178445,"deviation":64.66815139504368,"volatility":0.05991724621983771}},"ranking":9.46866501470618,"professional":false,"ui_class":""},"description":"19x19","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":259200,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":374,"name":"Slovenija","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":54,"icon":"https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"},"auto_start_on_max":true,"time_start":"2022-02-23T16:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":18,"analysis_enabled":true,"exclusivity":"open","started":"2022-02-22T18:42:14.657922Z","ended":"2022-07-12T16:20:09.158122Z","start_waiting":"2022-02-22T18:42:14.068950Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png","player_count":10,"ranked":true},{"id":54139,"name":"Correspondence 9x9 RoundRobin 2019-11-24 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:20260417T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-17T19:00:56.701536Z","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":"2026-04-20T19:00:00Z","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":"2019-11-24T19:00:38.050973Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-11-24T19:01:34.147060Z","ended":"2019-12-27T18:06:50.738207Z","start_waiting":"2019-11-24T19:01:28.971995Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":12311,"name":"Correspondence 19x19 RoundRobin 2015-11-10 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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260418T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-18T19:00:56.576777Z","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":"2026-04-21T19:00:00Z","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":"2015-11-10T01:00:31.370741Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-11-10T01:00:51.115039Z","ended":"2016-01-03T21:13:54.911994Z","start_waiting":"2015-11-10T01:00:50.297521Z","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":45153,"name":"Correspondence 9x9 RoundRobin 2019-01-31 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:20260417T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-17T19:00:56.701536Z","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":"2026-04-20T19:00:00Z","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":"2019-01-31T19:00:23.507542Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-01-31T19:00:55.666833Z","ended":"2019-02-10T13:09:08.992534Z","start_waiting":"2019-01-31T19:00:51.825261Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":8,"ranked":true},{"id":86873,"name":"1 -> 李熒殷 2 -> 蔡得恩","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":"1 -> 李熒殷\n2 -> 蔡得恩","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":600,"period_time":30,"periods":5},"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":"2022-03-05T04:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2022-03-05T03:47:45.153929Z","ended":"2022-03-05T04:01:49.093032Z","start_waiting":"2022-03-05T03:47:45.084240Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":2,"ranked":true},{"id":94241,"name":"9x9 Mini League 10k-25k #81","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1357.1348379116837,"deviation":67.2035710014903,"volatility":0.06020465154221762}},"ranking":21.98631332494487,"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":89280,"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":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":698,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2022-09-11T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2022-09-06T23:16:51.076298Z","ended":"2022-10-18T04:33:30.758848Z","start_waiting":"2022-09-06T23:16:50.846914Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":113077,"name":"☆★Kyu Level Match★☆ 19x19 (Ranking)","director":{"id":1517595,"username":"deleted-c450503a-a3ed-4365-a208-e1dda8262208","country":"kr","icon":"https://user-uploads.online-go.com/3b8d49e36d3ae7ecf441bd4510b0cbc4-64.png","ratings":{"version":5,"overall":{"rating":1174.1092143440676,"deviation":67.30388423481288,"volatility":0.060036122662211824}},"ranking":18.63266551761154,"professional":false,"ui_class":""},"description":"여러분의 관심이 필요합니다","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":15768,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":14400,"initial_time":172800,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":351,"name":"Fight Club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":367,"icon":"https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"},"auto_start_on_max":true,"time_start":"2024-03-01T01:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-02-22T13:16:48.988232Z","ended":"2024-04-08T07:33:50.173995Z","start_waiting":"2024-02-22T13:16:48.135636Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png","player_count":10,"ranked":true},{"id":133445,"name":"Handicap Arena 2025 - 084","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1047.751568036602,"deviation":63.98747462726221,"volatility":0.06007316520805921}},"ranking":15.996731506232393,"professional":false,"ui_class":"supporter"},"description":"Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"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":13655,"name":"Handicap Arena","summary":"Organising arena-type handicap correspondence tournaments.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":105,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-10-19T14:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-18T12:39:49.688874Z","ended":"2025-12-05T21:15:59.208000Z","start_waiting":"2025-10-18T12:39:49.528708Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":5,"ranked":true}]}