{"count":60021,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=is_open&page=5938","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=is_open&page=5936","results":[{"id":140458,"name":"みんなで頑張ろう","director":{"id":1608024,"username":"S-Tsumugi","country":"jp","icon":"https://secure.gravatar.com/avatar/8a91909e8b623e3084f318f861e92c13?s=64&d=retro","ratings":{"version":5,"overall":{"rating":727.4628111443551,"deviation":71.02765746566897,"volatility":0.0601394716952411}},"ranking":7.550710870713347,"professional":false,"ui_class":""},"description":"atumare-","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"chinese","time_per_move":17,"time_control_parameters":{"system":"canadian","time_control":"canadian","speed":"rapid","pause_on_weekends":false,"main_time":300,"period_time":60,"stones_per_period":10},"is_open":true,"exclude_provisional":false,"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":1788,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"},"auto_start_on_max":true,"time_start":"2026-06-06T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-06T09:00:18.223996Z","ended":"2026-06-06T09:52:17.282754Z","start_waiting":"2026-06-06T09:00:18.094300Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png","player_count":15,"ranked":true},{"id":139906,"name":"Correspondence 19x19 RoundRobin 2026-05-04 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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260623T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-06-23T19:00:16.052448Z","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":"2026-06-26T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-05-04T19:00:48.951024Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-04T19:00:49.405639Z","ended":null,"start_waiting":"2026-05-04T19:00:49.030584Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":127168,"name":"🦉🐀🐈‍⬛🐁🐈","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":"Owl Tournaments","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"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":14076,"name":"KittyWise","summary":"----------------------------------------------------------------------------------------------------------------------","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":59,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png"},"auto_start_on_max":false,"time_start":"2025-04-08T19:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-08T19:00:14.463496Z","ended":null,"start_waiting":"2025-04-08T19:00:14.290349Z","board_size":19,"active_round":7,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png","player_count":15,"ranked":true},{"id":139935,"name":"king of go","director":{"id":2008005,"username":"cubingpan","country":"cn","icon":"https://user-uploads.online-go.com/fd746bfc0039c63b69294814c9a8d783-64.png","ratings":{"version":5,"overall":{"rating":517.8976417522526,"deviation":80.80572533629119,"volatility":0.06006076682904618}},"ranking":5,"professional":false,"ui_class":""},"description":"king of go","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":3,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"blitz","pause_on_weekends":false,"per_move":3},"is_open":true,"exclude_provisional":false,"group":{"id":16404,"name":"box box box","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/bee4d98c33b0fe7f63cd04886372dcba-64.png"},"auto_start_on_max":false,"time_start":"2026-05-04T19:39:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-04T19:39:49.068127Z","ended":"2026-05-04T19:44:25.904262Z","start_waiting":"2026-05-04T19:39:49.030934Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/bee4d98c33b0fe7f63cd04886372dcba-15.png","player_count":3,"ranked":false},{"id":139934,"name":"king of go","director":{"id":2008005,"username":"cubingpan","country":"cn","icon":"https://user-uploads.online-go.com/fd746bfc0039c63b69294814c9a8d783-64.png","ratings":{"version":5,"overall":{"rating":517.8976417522526,"deviation":80.80572533629119,"volatility":0.06006076682904618}},"ranking":5,"professional":false,"ui_class":""},"description":"king of go","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":3,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"blitz","pause_on_weekends":false,"per_move":3},"is_open":true,"exclude_provisional":false,"group":{"id":16404,"name":"box box box","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/bee4d98c33b0fe7f63cd04886372dcba-64.png"},"auto_start_on_max":false,"time_start":"2026-05-04T19:36:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-04T19:36:49.070489Z","ended":"2026-05-04T19:38:56.628430Z","start_waiting":"2026-05-04T19:36:49.032577Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/bee4d98c33b0fe7f63cd04886372dcba-15.png","player_count":3,"ranked":false},{"id":139936,"name":"go go go","director":{"id":2008005,"username":"cubingpan","country":"cn","icon":"https://user-uploads.online-go.com/fd746bfc0039c63b69294814c9a8d783-64.png","ratings":{"version":5,"overall":{"rating":517.8976417522526,"deviation":80.80572533629119,"volatility":0.06006076682904618}},"ranking":5,"professional":false,"ui_class":""},"description":"king of go","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":10,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"rapid","pause_on_weekends":false,"per_move":10},"is_open":true,"exclude_provisional":false,"group":{"id":16404,"name":"box box box","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/bee4d98c33b0fe7f63cd04886372dcba-64.png"},"auto_start_on_max":false,"time_start":"2026-05-04T19:46:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-04T19:46:49.072241Z","ended":"2026-05-04T20:07:26.776548Z","start_waiting":"2026-05-04T19:46:49.031432Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/bee4d98c33b0fe7f63cd04886372dcba-15.png","player_count":3,"ranked":false},{"id":139650,"name":"19x19 Open League #132","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1293.2851288159748,"deviation":70.63474169097069,"volatility":0.06022023803937533}},"ranking":20.870711401335065,"professional":false,"ui_class":""},"description":"Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"roundrobin","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":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":76,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-05-10T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-05T01:50:59.637188Z","ended":null,"start_waiting":"2026-05-05T01:50:59.302582Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":134608,"name":"9x9 Open D.E. Cup #206","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1293.2851288159748,"deviation":70.63474169097069,"volatility":0.06022023803937533}},"ranking":20.870711401335065,"professional":false,"ui_class":""},"description":"Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":95543,"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":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":708,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2025-11-30T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-11-26T06:51:54.801635Z","ended":"2026-05-26T10:46:21.238640Z","start_waiting":"2025-11-26T06:51:54.695716Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":8,"ranked":true},{"id":138502,"name":"RS: The Battlefield of Single Digit","director":{"id":1776211,"username":"MAESTRO of BADUK","country":"kr","icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png","ratings":{"version":5,"overall":{"rating":1780.1125530663214,"deviation":67.44339287166498,"volatility":0.06003264861713345}},"ranking":28.26692808898232,"professional":false,"ui_class":""},"description":"This is for players who want to enjoy fast correspondence match \n\nSingle Elimination for 18k~1k\n\nStart time: 1day \n\nFischer:: 6 hours\n\nMax. Time: 2 days\n\n*****\nRestricted Rank: 1k \n\nPlayers who reached 1 dan within 30 days before the tournament announcement date but have since dropped back to 1k are not eligible to participate. (Reference date: 30 days prior to Feb.21.2026 )\n\n*****\nThe winner will receive a seeded invitation to the main tournament of Road to Dan, a regular tournament hosted by the RS group. \n\n(We recommend you to be a member of the RS group to receive an invitation. According to the OGS system, we cannot send invitations to non-members.)\n\n*****\nBe careful below the rule;\n\nPlease make sure to disable the automatic vacation mode in your personal settings. https://online-go.com/settings/vacation\n\nNO PAUSE & NO VACATION, anyone who takes on the vacation or pauses a game, will be disqualified.\n\nPlease send the tournament director a message if you find that your opponent pauses or turns vacation mode on. \n*****","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"korean","time_per_move":22284,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":21600,"initial_time":86400,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":15815,"name":"RollingStones : Global & 한국인","summary":"한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":78,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"},"auto_start_on_max":false,"time_start":"2026-03-28T18:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":12,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2026-03-28T16:21:31.692152Z","ended":null,"start_waiting":"2026-03-28T16:21:30.470500Z","board_size":19,"active_round":3,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":129170,"name":"DDK June Tournament","director":{"id":1142731,"username":"laonikoss","country":"gr","icon":"https://user-uploads.online-go.com/ab12d44d0fdb7ede88272832a802c657-64.png","ratings":{"version":5,"overall":{"rating":1126.471648035854,"deviation":62.82748859748962,"volatility":0.059834393451460396}},"ranking":17.67380566115579,"professional":false,"ui_class":""},"description":"Join an informal tournament for DDK players, correspondence but over 3 (max 4) days to keep it fairly well paced.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","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":345600},"is_open":true,"exclude_provisional":true,"group":{"id":43,"name":"Kyu Level Study Group","summary":"A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8909,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"},"auto_start_on_max":false,"time_start":"2025-06-06T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-09-09T15:48:15.858842Z","ended":"2026-05-05T02:02:47.678175Z","start_waiting":"2025-09-09T15:48:15.747716Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png","player_count":4,"ranked":true}]}