{"count":60294,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=541","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=539","results":[{"id":111819,"name":"Castle","director":{"id":154786,"username":"Samurai T","country":"rs","icon":"https://user-uploads.online-go.com/fc8655823be3f2eafe135fa4e85b86bc-64.png","ratings":{"version":5,"overall":{"rating":818.8773224936517,"deviation":71.59130532023562,"volatility":0.059789245194351616}},"ranking":10.291008878206187,"professional":false,"ui_class":""},"description":"Play for pleasure and analize games","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":true,"group":{"id":177,"name":"GO Beginners","summary":"For alle GO beginners of the world. We play tournaments with rating limit.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":258,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2024-02-01T17:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":9,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2024-02-01T17:00:01.846048Z","ended":"2024-11-04T13:02:07.563131Z","start_waiting":"2024-02-01T17:00:01.721419Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":5,"ranked":true},{"id":104426,"name":"9x9 Open League #70","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1334.061355817773,"deviation":72.03757578940535,"volatility":0.06023505067349031}},"ranking":21.589341747434993,"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/10842","schedule":null,"title":null,"tournament_type":"roundrobin","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":714,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-07-02T19:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-07-03T14:48:41.811381Z","ended":"2023-09-10T22:06:36.881631Z","start_waiting":"2023-07-03T14:48:41.298486Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":10,"ranked":true},{"id":47266,"name":"1st Continental Go World Cup-Qualification Phase for Europa: Category 9-5k: Pberthold vs Aftiz vs Slateshell","director":{"id":48251,"username":"Mitsunari","country":"fr","icon":"https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png","ratings":{"version":5,"overall":{"rating":1592.2831204897252,"deviation":65.06662812275633,"volatility":0.06031060965981413}},"ranking":25.68552522173452,"professional":false,"ui_class":""},"description":"The semi-final tournament opposing Pberthold, Aftiz and Slateshell. The winner will be qualified for the final phase and represent the European Continent. Best of luck!!","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":45120,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":172800,"max_time":172800,"time_increment":43200,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":2514,"name":"Continental and World Go Cups Group","summary":"You want to become World Champion or a Continental champion? Join us :)","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":526,"icon":"https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"},"auto_start_on_max":true,"time_start":"2019-05-31T21:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2019-04-08T07:07:35.441835Z","ended":"2019-06-03T16:05:49.800367Z","start_waiting":"2019-04-08T07:07:35.156344Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png","player_count":3,"ranked":true},{"id":47809,"name":"Correspondence 19x19 RoundRobin 2019-04-26 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 Sitewide Tournament","schedule":{"id":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260717T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-07-17T19:00:48.681889Z","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":"2026-07-20T19:00:00Z","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":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2019-04-26T19:00:54.141906Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-04-26T19:01:23.223944Z","ended":"2019-08-17T13:47:13.059037Z","start_waiting":"2019-04-26T19:01:20.466017Z","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":110613,"name":"if you have looks","director":{"id":1481361,"username":"ninja frog","country":"un","icon":"https://secure.gravatar.com/avatar/76df7ac7b4f6159efd116e2bb0b4ab29?s=64&d=retro","ratings":{"version":5,"overall":{"rating":975.6545248666841,"deviation":203.43476505741077,"volatility":0.05999950484689096}},"ranking":14.346293230530796,"professional":false,"ui_class":"provisional"},"description":"just for fun i guess","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":17448,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":14400,"initial_time":86400,"max_time":259200},"is_open":true,"exclude_provisional":true,"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":1795,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"},"auto_start_on_max":false,"time_start":"2023-12-14T02:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-05T09:37:13.747644Z","ended":"2025-04-08T08:26:41.682008Z","start_waiting":"2025-04-05T09:37:13.679216Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png","player_count":4,"ranked":true},{"id":5503,"name":"Learners Tournament","director":{"id":135446,"username":"sambradley3","country":"us","icon":"https://secure.gravatar.com/avatar/e78af2f24906aa5a894e150900d821f3?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1186.523511550578,"deviation":70.68105871075898,"volatility":0.060007470279853745}},"ranking":18.876154160780793,"professional":false,"ui_class":""},"description":"Fun games to improve your skill","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":68,"time_control_parameters":{"time_control":"byoyomi","period_time":60,"main_time":720,"periods":7},"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":18058,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2015-03-03T18:45:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":12,"analysis_enabled":true,"exclusivity":"open","started":"2015-03-03T18:45:21.972404Z","ended":"2015-03-03T19:06:53.543650Z","start_waiting":"2015-03-03T18:45:21.863397Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":4,"ranked":true},{"id":135299,"name":"DDK Tournament 9x9","director":{"id":1689159,"username":"SouzaOliveira","country":"br","icon":"https://user-uploads.online-go.com/025c2938963d96964523aa455615c87b-64.png","ratings":{"version":5,"overall":{"rating":783.4581441108147,"deviation":74.77273056385015,"volatility":0.060030502515771085}},"ranking":9.26739355657042,"professional":false,"ui_class":""},"description":"Good Luck!","schedule":null,"title":null,"tournament_type":"roundrobin","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":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":true,"time_start":"2025-12-13T03:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"group","started":"2026-01-21T23:03:04.666132Z","ended":"2026-02-12T13:02:27.694838Z","start_waiting":"2026-01-21T23:03:04.539522Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":4,"ranked":true},{"id":85127,"name":"noob swser 15","director":{"id":844218,"username":"lolroblox","country":"au","icon":"https://user-uploads.online-go.com/898603eb835a4063bf795672200accce-64.png","ratings":{"version":5,"overall":{"rating":1319.9778490137012,"deviation":64.3683573753299,"volatility":0.05999444409408204}},"ranking":21.343651147118212,"professional":false,"ui_class":""},"description":"blah blah","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"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":6332,"name":"noob_bot","summary":"Play with bots","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":884,"icon":"https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"},"auto_start_on_max":false,"time_start":"2022-02-25T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-02-25T09:00:08.265866Z","ended":"2022-09-27T11:16:50.442536Z","start_waiting":"2022-02-25T09:00:08.097390Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png","player_count":10,"ranked":true},{"id":130829,"name":"Truppi Cup","director":{"id":1764999,"username":"Iole","country":"it","icon":"https://user-uploads.online-go.com/192acdaf3c828eb96a183f483e860cef-64.png","ratings":{"version":5,"overall":{"rating":1537.4459793641329,"deviation":66.87704286873335,"volatility":0.05996726190122826}},"ranking":24.874202765438742,"professional":false,"ui_class":""},"description":"Fast tournament","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":129600,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":129600},"is_open":true,"exclude_provisional":true,"group":{"id":93,"name":"GO Italia","summary":"Il gruppo per i giocatori di GO italiani.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":204,"icon":"https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-64.png"},"auto_start_on_max":true,"time_start":"2025-08-01T10:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":15,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2025-07-31T20:22:28.197926Z","ended":"2025-08-29T08:01:25.968444Z","start_waiting":"2025-07-31T20:22:27.584587Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-15.png","player_count":10,"ranked":true},{"id":81806,"name":"Correspondence 13x13 RoundRobin 2021-10-28 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 Sitewide Tournament","schedule":{"id":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260715T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-07-15T19:00:48.349285Z","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":"2026-07-18T19:00:00Z","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":"2021-10-28T19:00:16.965504Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2021-10-28T19:00:18.641480Z","ended":"2022-03-07T14:40:33.017606Z","start_waiting":"2021-10-28T19:00:17.763447Z","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}]}