{"count":60281,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=698","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=696","results":[{"id":8110,"name":"Open Tournament","director":{"id":103791,"username":"Ashurax","country":"jp","icon":"https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-64.png","ratings":{"version":5,"overall":{"rating":1311.689121237082,"deviation":61.04202221856876,"volatility":0.05992813604727736}},"ranking":21.19782366613261,"professional":false,"ui_class":"supporter"},"description":"First BIrmingham Club Tournament on OGS.\nAGA rules.\nEveryone is welcome to join.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"aga","time_per_move":340,"time_control_parameters":{"time_control":"byoyomi","period_time":300,"main_time":3600,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":490,"name":"Birmingham Go Club","summary":"We meet in the Friends of the Earth warehouse every Thursday from 6pm.\nFor more details check the facebook group https://www.facebook.com/groups/bhamgo\nIf anyone is passing by in Birmingham, England. please drop in and visit.\n\nFeel free to make tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":36,"icon":"https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-64.png"},"auto_start_on_max":true,"time_start":"2015-06-13T19:30:00Z","players_start":5,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":0,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2015-06-13T19:30:15.979552Z","ended":"2015-06-13T23:56:24.950932Z","start_waiting":"2015-06-13T19:30:15.868979Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-15.png","player_count":6,"ranked":true},{"id":44266,"name":"Fast round robin","director":{"id":26921,"username":"pmurk","country":"de","icon":"https://user-uploads.online-go.com/d0fa4af68c21fb4cf36a9830a4748572-64.png","ratings":{"version":5,"overall":{"rating":1142.6438674290087,"deviation":64.84897458469261,"volatility":0.0596842406877715}},"ranking":18.003796105151256,"professional":false,"ui_class":""},"description":"Rather speedy round robin","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":31680,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":28800,"speed":"correspondence"},"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":826,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":false,"time_start":"2019-01-07T02:00:00Z","players_start":6,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":15,"max_ranking":25,"analysis_enabled":true,"exclusivity":"open","started":"2019-01-07T02:00:40.127877Z","ended":"2019-03-12T19:57:56.272280Z","start_waiting":"2019-01-07T02:00:37.840476Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":6,"ranked":true},{"id":113200,"name":"Blitz 19x19 Elimination Tournament 2024-02-24 17:30","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:20260717T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-17T09:00:48.533503Z","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":"2026-07-17T13:00:00Z","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":"2024-02-24T17:30:30.571849Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2024-02-24T17:31:28.931734Z","ended":"2024-02-24T18:12:19.044870Z","start_waiting":"2024-02-24T17:31:28.762916Z","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":8359,"name":"Blitz 19x19 Elimination Tournament 2015-06-17 17:30","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:20260717T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-17T09:00:48.533503Z","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":"2026-07-17T13:00:00Z","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":"2015-06-17T17:30:11.739609Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2015-06-17T17:30:13.586354Z","ended":"2015-06-17T18:00:44.196804Z","start_waiting":"2015-06-17T17:30:13.503169Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":5,"ranked":true},{"id":3531,"name":"2nd try YD tournament","director":{"id":151,"username":"flakeman2","country":"us","icon":"https://secure.gravatar.com/avatar/477b199ab652cc735c5dbd4d10d08fb4?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1810.5108749148442,"deviation":63.194829877341085,"volatility":0.05995527370617166}},"ranking":28.658914594047587,"professional":false,"ui_class":"supporter"},"description":"2nd try","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":30,"time_control_parameters":{"time_control":"canadian","period_time":300,"main_time":900,"stones_per_period":15},"is_open":true,"exclude_provisional":false,"group":{"id":456,"name":"Yunguseng Dojang","summary":"In-seong's Yunguseng Dojang","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":118,"icon":"https://user-uploads.online-go.com/f1d2f59508fed7916b5aea841d2ad8f6-64.png"},"auto_start_on_max":false,"time_start":"2014-12-20T19:35:00Z","players_start":2,"first_pairing_method":"slaughter","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"group","started":"2014-12-20T19:35:36.921667Z","ended":"2014-12-20T20:39:56.452727Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/f1d2f59508fed7916b5aea841d2ad8f6-15.png","player_count":3,"ranked":true},{"id":112874,"name":"For fun","director":{"id":1507765,"username":"bmeetze","country":"us","icon":"https://user-uploads.online-go.com/1f4a9bc65572ea64e80cb99b0e295500-64.png","ratings":{"version":5,"overall":{"rating":1143.4290070782415,"deviation":67.53959446490319,"volatility":0.06075241863717877}},"ranking":18.01969759612914,"professional":false,"ui_class":""},"description":"Open for everyone.","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":false,"group":{"id":13640,"name":"Come and join us now","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":7,"icon":"https://user-uploads.online-go.com/1c1f6034df0902017f8f7576ffd2a880-64.png"},"auto_start_on_max":false,"time_start":"2024-02-29T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-02-29T14:00:30.467468Z","ended":"2024-07-28T16:12:26.706921Z","start_waiting":"2024-02-29T14:00:30.379909Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/1c1f6034df0902017f8f7576ffd2a880-15.png","player_count":4,"ranked":true},{"id":44283,"name":"Live 19x19 Swiss Tournament 2019-01-03 12:30","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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260717T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-07-17T08:00:48.522502Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-07-17T12:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2019-01-03T12:30:51.788306Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2019-01-03T12:30:54.595034Z","ended":"2019-01-03T13:59:47.655710Z","start_waiting":"2019-01-03T12:30:53.798415Z","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":112132,"name":"ซ้อม123456789","director":{"id":1279616,"username":"jira789","country":"un","icon":"https://secure.gravatar.com/avatar/11b595ade68d4e93f262299209909fb4?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1079.101100742816,"deviation":61.30530046072687,"volatility":0.06000868735580184}},"ranking":16.679236936704832,"professional":false,"ui_class":""},"description":"ซ้อม123456789","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":15,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":10,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":5893,"name":"Go Family","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":150,"icon":"https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png"},"auto_start_on_max":false,"time_start":"2024-01-28T07:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2024-01-28T07:03:17.681050Z","ended":"2024-01-28T07:41:37.474716Z","start_waiting":"2024-01-28T07:03:17.621459Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png","player_count":4,"ranked":true},{"id":7373,"name":"1st of June DDK Monthly Tournament (Testing Phase)","director":{"id":150769,"username":"deleted-3238627f-e757-44b4-a464-6ce17a3ea53c","country":"my","icon":"https://secure.gravatar.com/avatar/74456719f0f4147b55551974a0320474?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1304.3557851784537,"deviation":61.22277668841308,"volatility":0.059984725906123984}},"ranking":21.068034476337406,"professional":false,"ui_class":""},"description":"Aims:\n1. To bring players of equivalent strength together for practice games, rather than obtaining the strongest player as in regular tournaments.\n2. Similar concept to rank promotion through tournaments or ranking exams.\n\nMethods:\n1. The use of McMahon system helps to minimise strength difference, i.e. win-loss is considered despite the presence of ranking system.\n2. Handicap is enabled in case that a strong player is paired with a weaker player.\n3. (Improvement suggestions are welcomed)\n\n\n* Absolute timing is used to ensure the tournament progress. The time of both players adds up to a maximum of 1 week.\n\n\n# Time setting has been modified. Interested players please rejoin. Sorry for the inconvenience.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":3360,"time_control_parameters":{"total_time":302400,"time_control":"absolute"},"is_open":true,"exclude_provisional":true,"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":18055,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2015-05-31T16:00:00Z","players_start":10,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":11,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2015-05-31T16:00:17.199133Z","ended":"2015-06-29T04:03:41.665263Z","start_waiting":"2015-05-31T16:00:16.668462Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":27,"ranked":true},{"id":112235,"name":"Live 19x19 Swiss Tournament 2024-01-31 12:30","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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260717T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-07-17T08:00:48.522502Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-07-17T12:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":35,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2024-01-31T12:30:01.395480Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2024-01-31T12:31:01.514547Z","ended":"2024-01-31T13:22:46.106200Z","start_waiting":"2024-01-31T12:31:01.389923Z","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}]}