{"count":60934,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3234","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3232","results":[{"id":47819,"name":"the big go tournament","director":{"id":632025,"username":"demon2019","country":"us","icon":"https://user-uploads.online-go.com/7ab9533a7a6d3de017283bdf2dfa6d83-64.png","ratings":{"version":5,"overall":{"rating":750.5826046677178,"deviation":87.86349475116594,"volatility":0.05998427832898187}},"ranking":8.275001035195551,"professional":false,"ui_class":""},"description":"there will be 12 people and you are in teams of 3 only one team can win so do your best.","schedule":null,"title":null,"tournament_type":"elimination","handicap":-1,"rules":"japanese","time_per_move":785280,"time_control_parameters":{"period_time":777600,"main_time":691200,"system":"byoyomi","pause_on_weekends":true,"time_control":"byoyomi","periods":2,"speed":"correspondence"},"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":18140,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2019-05-01T21:00:00Z","players_start":12,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-05-14T10:32:51.344472Z","ended":"2020-02-29T08:34:09.263563Z","start_waiting":"2019-05-14T10:32:50.126663Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":12,"ranked":true},{"id":79052,"name":"Double elimination with auto handicaps 13x13","director":{"id":1032638,"username":"amateurplaying","country":"un","icon":"https://user-uploads.online-go.com/a3ac11034dd78011f72aee0c3ea9de6c-64.png","ratings":{"version":5,"overall":{"rating":1158.9125831713936,"deviation":65.38092199194944,"volatility":0.05998366584684001}},"ranking":18.331076404626156,"professional":false,"ui_class":""},"description":"Double elimination 13x13 long correspondence games with automatic handicaps","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":631680,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":604800,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":9945,"name":"Unusual boards","summary":"Group for those who love playing on unusual boards like 10x10, 2x25, 7x14 and so on...","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":36,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-08-30T16:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-08-30T16:00:25.511770Z","ended":"2022-09-03T00:09:18.836268Z","start_waiting":"2021-08-30T16:00:25.297705Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":7,"ranked":true},{"id":56921,"name":"Blitz 13x13 Swiss Tournament 2020-02-25 15:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260904T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-04T19:00:33.301664Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-09-04T23:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-02-25T15:30:04.872000Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-02-25T15:30:07.265059Z","ended":"2020-02-25T16:13:23.340111Z","start_waiting":"2020-02-25T15:30:06.297267Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true},{"id":56935,"name":"Blitz 13x13 Swiss Tournament 2020-02-26 03:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260904T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-04T19:00:33.301664Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-09-04T23:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-02-26T03:30:36.379748Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-02-26T03:31:38.474984Z","ended":"2020-02-26T04:27:22.022458Z","start_waiting":"2020-02-26T03:31:37.706565Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true},{"id":51554,"name":"Training Ground Class 5 September 2019","director":{"id":87790,"username":"WiseBear","country":"ru","icon":"https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png","ratings":{"version":5,"overall":{"rating":1104.0021061102002,"deviation":62.08308547890164,"volatility":0.06028822213904829}},"ranking":17.207368885691388,"professional":false,"ui_class":""},"description":"If you want to be stronger, then you should often play with those who are a little stronger than you. Training Grounds tournaments provide you with this opportunity.","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":3516,"name":"Game Of Stones","summary":"This group is no longer operated.","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":143,"icon":"https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"},"auto_start_on_max":true,"time_start":"2019-09-17T01:00:00Z","players_start":6,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":16,"max_ranking":25,"analysis_enabled":true,"exclusivity":"group","started":"2019-09-17T01:00:03.173967Z","ended":"2020-03-08T16:59:48.392911Z","start_waiting":"2019-09-17T01:00:02.563576Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png","player_count":8,"ranked":true},{"id":57787,"name":"Blitz 13x13 Swiss Tournament 2020-03-21 15:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260904T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-04T19:00:33.301664Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-09-04T23:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-03-21T15:30:55.254330Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-03-21T15:30:57.395078Z","ended":"2020-03-21T16:14:50.353826Z","start_waiting":"2020-03-21T15:30:56.700578Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":7,"ranked":true},{"id":57922,"name":"Blitz 13x13 Swiss Tournament 2020-03-24 19:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260904T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-04T19:00:33.301664Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-09-04T23:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-03-24T19:30:04.620966Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-03-24T19:31:05.398710Z","ended":"2020-03-24T20:23:42.802048Z","start_waiting":"2020-03-24T19:31:04.305745Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true},{"id":58422,"name":"para campeones","director":{"id":739351,"username":"AlanYeray16","country":"co","icon":"https://user-uploads.online-go.com/12bf26f3afc4a69ad3a48e8d883409b8-64.png","ratings":{"version":5,"overall":{"rating":1589.3812752655028,"deviation":68.36270081863668,"volatility":0.05998319611763271}},"ranking":25.64329717552234,"professional":false,"ui_class":""},"description":"TORNEO DE COIN","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":31,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":30,"initial_time":120,"max_time":600},"is_open":true,"exclude_provisional":false,"group":{"id":4806,"name":"COIN Centro de Inteligencias","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":68,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-04-03T23:30:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2020-04-03T23:10:46.136096Z","ended":"2020-04-03T23:31:39.948521Z","start_waiting":"2020-04-03T23:10:45.169842Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":12,"ranked":true},{"id":64469,"name":"OGC September Tournament (25k-20k)","director":{"id":138181,"username":"Clossius","country":"us","icon":"https://user-uploads.online-go.com/423037a54347a4a9a1ae2eaf15ceea96-64.png","ratings":{"version":5,"overall":{"rating":2009.108246484941,"deviation":62.20658121414229,"volatility":0.06018656363339447}},"ranking":31.068410772900062,"professional":false,"ui_class":"supporter"},"description":"This tournament is a friendly tournament for the Online Go Club members and friends.\n\nhttps://discord.gg/013kxRiaFJ9H5RTIe\n\nPrizes will be sponsored by Clossius as private lessons.\n\nThe tournament will use a strength pairing method so you are playing your level or around that for as long as possible. We will be using this method as the goal is not about winning as much as getting friendly competition and good practice going.\n\nIf you have any questions please ask in the Discord.\n\nHave fun!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"chinese","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":true,"group":{"id":2144,"name":"The Online Go Club","summary":"A fun group for players to play and make friends!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":247,"icon":"https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-64.png"},"auto_start_on_max":false,"time_start":"2020-09-05T15:00:00Z","players_start":8,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":10,"analysis_enabled":false,"exclusivity":"open","started":"2020-09-05T15:00:36.357246Z","ended":"2020-09-05T17:12:44.620801Z","start_waiting":"2020-09-05T15:00:35.646469Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-15.png","player_count":19,"ranked":true},{"id":55143,"name":"Correspondence 13x13 RoundRobin 2019-12-29 19:01","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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260904T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-09-04T19:00:33.337379Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":13,"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":"2026-09-07T19:00:00Z","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":"2019-12-29T19:01:01.519930Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-12-29T19:01:17.157042Z","ended":"2020-03-30T22:24:42.394156Z","start_waiting":"2019-12-29T19:01:08.286743Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":10,"ranked":true}]}