{"count":59544,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-max_ranking&page=5655","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-max_ranking&page=5653","results":[{"id":2583,"name":"Sitewide Fast 19x19 Correspondence (Swiss, 30k-10k)","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":"Enjoy!","schedule":null,"title":null,"tournament_type":"swiss","handicap":-1,"rules":"japanese","time_per_move":7200,"time_control_parameters":{"time_control":"fischer","initial_time":172800,"max_time":172800,"time_increment":7200},"is_open":true,"exclude_provisional":false,"group":null,"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2013-11-01T23:40:25.009222Z","ended":"2015-07-24T05:58:57.281217Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":0,"ranked":true},{"id":3068,"name":"Go Fight Club: DDK Live 9x9 - 7/31/14","director":{"id":67689,"username":"deleted-917cec75-b08a-4a68-ab58-74a73a3a29f1","country":"us","icon":"https://secure.gravatar.com/avatar/476d9cf7ad2c21c097c7272e0acfc962?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1204.825567179209,"deviation":62.50245677818495,"volatility":0.059948158596285835}},"ranking":19.230515524822877,"professional":false,"ui_class":""},"description":"Start time: 3:00pm PDT / 10:00pm GMT\nJoin the group chat for announcements, discussions and trash talk. No shows may be disqualified.","schedule":null,"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":5},"is_open":true,"exclude_provisional":true,"group":{"id":308,"name":"Go Fight Club","summary":"Focused giving DDKs a place for live tournaments and sparring matches for improvement.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":7,"icon":"https://user-uploads.online-go.com/838e9779347fbfd5b8760444427a6b9f-64.png"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2014-07-31T22:10:02.790396Z","ended":"2014-07-31T22:34:55.018407Z","start_waiting":"2014-07-31T22:10:02.042180Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/838e9779347fbfd5b8760444427a6b9f-15.png","player_count":0,"ranked":true},{"id":130904,"name":"9x9 Mini League 10k-25k #318","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1338.236598358355,"deviation":69.33518936018596,"volatility":0.06020490973909506}},"ranking":21.661681692398613,"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":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":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":697,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2025-08-03T19:05:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-08-01T09:54:00.602211Z","ended":"2025-08-13T14:03:53.088852Z","start_waiting":"2025-08-01T09:54:00.439675Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"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":17934,"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":70872,"name":"Simple Correspondence 13x13 DDK 2021 March","director":{"id":302584,"username":"koast","country":"us","icon":"https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png","ratings":{"version":5,"overall":{"rating":1518.190018088078,"deviation":64.08013528375135,"volatility":0.05996666523783403}},"ranking":24.58242625475131,"professional":false,"ui_class":""},"description":"March! no conditional moves","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":172800},"is_open":true,"exclude_provisional":true,"group":{"id":5017,"name":"Simple Correspondence","summary":"2 days per move. No Analysis.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":66,"icon":"https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"},"auto_start_on_max":false,"time_start":"2021-03-01T20:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2021-03-01T20:00:25.571342Z","ended":"2021-05-15T15:00:41.054255Z","start_waiting":"2021-03-01T20:00:23.441349Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png","player_count":10,"ranked":true},{"id":130713,"name":"August 2025 DDK Fast Correspondence Tournament","director":{"id":58836,"username":"DrQuantum","country":"us","icon":"https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png","ratings":{"version":5,"overall":{"rating":1012.8281975952996,"deviation":62.9674145699625,"volatility":0.05897555056415007}},"ranking":15.211949026126984,"professional":false,"ui_class":""},"description":"Just a tournament for DDKs - 12 hour increment, 3 days max time (but weekends are paused).","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":45251,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":43200,"initial_time":259200,"max_time":259200},"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":8877,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"},"auto_start_on_max":true,"time_start":"2025-08-01T14:00:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-08-01T14:00:52.453007Z","ended":null,"start_waiting":"2025-08-01T14:00:51.424076Z","board_size":19,"active_round":4,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png","player_count":21,"ranked":true},{"id":131019,"name":"9x9 Mini League 10k-25k #319","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1338.236598358355,"deviation":69.33518936018596,"volatility":0.06020490973909506}},"ranking":21.661681692398613,"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":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":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":697,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2025-08-10T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-08-06T20:39:58.510903Z","ended":"2025-09-07T13:37:40.785461Z","start_waiting":"2025-08-06T20:39:58.366430Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":123404,"name":"⓭13x13 DDK 1st 13x13 Tournament :)⓭","director":{"id":1284,"username":"g0blin","country":"rs","icon":"https://user-uploads.online-go.com/352cd49ea31be2f00577375db7e23581-64.png","ratings":{"version":5,"overall":{"rating":1215.046109921053,"deviation":68.43069828188605,"volatility":0.06015405380890099}},"ranking":19.426068845802526,"professional":false,"ui_class":""},"description":"Pretty fast 13x13 correspondence for DDKs with 2d +12h/move to max of 2 days with no 'pause on weekends'\n\nWishing GGs to all!","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":46121,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":172800,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":14884,"name":"13x13 ⑬Lovers⓭","summary":"A group for people who love to play 13x13 board size Go! :)","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":14,"icon":"https://user-uploads.online-go.com/780843c2cbaefc1cdd2b7f01a57dabc3-64.png"},"auto_start_on_max":false,"time_start":"2024-12-25T10:00:00Z","players_start":6,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2024-12-25T10:00:56.037048Z","ended":"2025-01-29T02:23:45.687478Z","start_waiting":"2024-12-25T10:00:55.713345Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/780843c2cbaefc1cdd2b7f01a57dabc3-15.png","player_count":8,"ranked":true},{"id":7999,"name":"Aardvark Round Robin","director":{"id":101851,"username":"Wulfenia.","country":"at","icon":"https://user-uploads.online-go.com/6a8db8634f80d330709dbfcf5eb52c53-64.png","ratings":{"version":5,"overall":{"rating":1673.9396835392938,"deviation":62.174479381749286,"volatility":0.060391616981561626}},"ranking":26.84328054228324,"professional":false,"ui_class":""},"description":"Just a friendly Round Robin Tournament.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2015-06-06T15:17:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":15,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2015-06-05T11:33:49.237352Z","ended":"2015-08-25T13:21:16.419132Z","start_waiting":"2015-06-05T11:33:48.628818Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":8,"ranked":true},{"id":121718,"name":"9x9 Mini League 10k-25k #259","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1338.236598358355,"deviation":69.33518936018596,"volatility":0.06020490973909506}},"ranking":21.661681692398613,"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":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":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":697,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2024-11-03T20:05:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2024-11-02T08:44:42.893180Z","ended":"2024-12-02T10:13:05.881460Z","start_waiting":"2024-11-02T08:44:42.776752Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true}]}